CN215178988U - Portable sweeping and trapping device suitable for environment detection - Google Patents

Abstract

The utility model provides a portable entrapment device that sweeps suitable for environmental detection, include: the device comprises an upper cylinder, a lower cylinder, an exhaust hood and a capture chamber; the upper cylinder body is arranged at the lower end of the top plate, and a connecting pipe is arranged at the lower end of the upper cylinder body; the lower cylinder body is arranged below the connecting pipe, an outer protective sleeve is sleeved outside the lower cylinder body, a gas collecting bin is arranged in the lower cylinder body, and a heat conducting net is arranged in the gas collecting bin; the exhaust hood is arranged at the lower end of the lower barrel, and a motor is arranged below the exhaust hood; the catching chamber is arranged on the right side of the lower barrel, a fixing plate is fixed on the right side surface of the catching chamber, and a handle is arranged on the right side surface of the fixing plate; four groups of connecting rods are fixed on the lower end face of the motor, and the lower ends of the connecting rods are fixed on the bottom plate. The utility model discloses set up simple reasonable, the convenient trip is carried, and the gas of collecting in the measuring environment is light simple to but the defogging defoaming catches required measuring gas more accurate, and it is nimble portable to use.

Description

Portable sweeping and trapping device suitable for environment detection

Technical Field

The utility model relates to an environment detects technical field, concretely relates to portable entrapment device that sweeps suitable for environment detection.

Background

The purging and trapping method is that volatile components in a sample are purged by flowing gas, purged organic matters are adsorbed by a trap, and then the sample is sent to a gas chromatograph for analysis through thermal desorption. Generally, the dynamic headspace technique is referred to as a purge trap injection technique. The sample to be purged can be solid or liquid, and the purging gas mostly adopts high-purity helium. The trap is filled with an adsorbent, which can be selected according to the properties of the component to be analyzed.

However, the prior art has the problems that the gas collection for environment detection is inconvenient, a plurality of devices are required to be carried for collection and detection, and the prior art is troublesome, labor-consuming, portable and practical.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, a portable purging and trapping device suitable for environment detection is provided, so that the problems that in the prior art, gas collection is inconvenient, a plurality of devices are required to be carried for collection and detection, the device is troublesome and laborious, and the device is not portable and practical are solved.

In order to achieve the above object, there is provided a portable purging and trapping device suitable for environmental detection, comprising: the device comprises an upper cylinder, a lower cylinder, an exhaust hood and a capture chamber;

the upper cylinder is arranged at the lower end of the top disc, and a connecting pipe is arranged at the lower end of the upper cylinder;

the lower cylinder body is arranged below the connecting pipe, an outer protective sleeve is sleeved outside the lower cylinder body, a gas collecting bin is arranged in the lower cylinder body, and a heat conducting net is arranged in the gas collecting bin;

the exhaust hood is arranged at the lower end of the lower cylinder body, and a motor is arranged below the exhaust hood;

the catching chamber is arranged on the right side of the lower barrel, a fixing plate is fixed on the right side face of the catching chamber, and a handle is arranged on the right side face of the fixing plate.

Furthermore, the lower terminal surface of motor is fixed with four groups of connecting rods, and the lower extreme of connecting rod is fixed on the bottom plate, the lower terminal surface vertical fixation of bottom plate has three groups of bracing pieces, and the lower extreme of every group bracing piece all is provided with the base to the base adopts soft rubber material.

Further, the up end center of motor is provided with the bearing, and installs the stirring rod in the bearing, the stirring rod is fitted with a contraceptive ring and is equipped with four groups of stirring rakes, and stirring rod and stirring rake are revolution mechanic.

Furthermore, the outer annular surface of the top disc is provided with four groups of air suction pipes in a ring mode, the front end faces of the air suction pipes are provided with dust screens, and the inner top of the top disc is provided with a guide plate.

Furthermore, a demister is installed at the upper portion in the upper cylinder, a first turbofan is installed at the lower portion in the upper cylinder, a sprinkling port is arranged on the left side of the outer ring surface of the connecting pipe, a twisting cover is twisted on the upper end of the sprinkling port, and the top plate, the upper cylinder, the lower cylinder and the exhaust hood are communicated.

Further, catch indoor left lower part and be provided with the suction pipe, install the solenoid electric valve on the suction pipe, and install the second turbofan in the lower part of suction pipe, catch indoor being provided with two sets of baffles, and the inner space of catching the room separates transfer passage through the baffle, the upper right portion of catching the room is provided with the relief port, and is connected with flexible pipe on the relief port, and the top end of flexible pipe is provided with the derivation head, the leading flank lower part of catching the room is provided with the nitrogen gas input port.

The beneficial effects of the utility model reside in that, the utility model discloses set up simply equitable, the convenient trip is carried, and it is simple to collect the gas light among the detected environment to but the defogging defoaming catches that required detection is gaseous more accurate, uses nimble portablely.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic rear view of an embodiment of the present invention;

fig. 3 is a left side view of the embodiment of the present invention;

fig. 4 is a schematic top view of an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

In the figure: 1. a top tray; 10. an air intake duct; 11. a dust screen; 12. a baffle; 2. an upper cylinder body; 20. a connecting pipe; 21. a material spraying port; 22. twisting a cover; 23. a demister; 24. a first turbofan; 3. a lower cylinder body; 30. an outer protective sleeve; 31. a thermally conductive mesh; 32. a gas collecting bin; 4. an exhaust hood; 40. a motor; 41. a connecting rod; 42. a base plate; 43. a support bar; 44. a base; 45. a bearing; 46. a stirring rod; 47. a stirring paddle; 5. a capture chamber; 50. a fixing plate; 51. a handle; 52. a nitrogen gas input port; 53. an air release port; 54. a telescopic pipe; 55. a lead-out head; 56. a suction tube; 57. a second turbofan; 58. a partition plate; 59. a delivery channel.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses front view structure schematic diagram, fig. 2 do the utility model discloses a rear view schematic diagram, fig. 3 do the utility model discloses a left side is looked the schematic diagram, fig. 4 does the utility model discloses a overlook the schematic diagram and fig. 5 do the utility model discloses a section structure schematic diagram.

Referring to fig. 1 to 5, the utility model provides a portable entrapment device that sweeps suitable for environmental detection, include: an upper cylinder 2, a lower cylinder 3, an exhaust hood 4 and a capture chamber 5; the upper cylinder 2 is arranged at the lower end of the top disc 1, and the lower end of the upper cylinder 2 is provided with a connecting pipe 20; the lower cylinder body 3 is arranged below the connecting pipe 20, the outer protective sleeve 30 is sleeved outside the lower cylinder body 3, the lower cylinder body 3 is internally provided with an air collecting bin 32, and the air collecting bin 32 is internally provided with a heat conducting net 31; the exhaust hood 4 is arranged at the lower end of the lower cylinder 3, the motor 40 is arranged below the exhaust hood 4, the capture chamber 5 is arranged at the right side of the lower cylinder 3, the fixed plate 50 is fixed on the right side surface of the capture chamber 5, and the handle 51 is arranged on the right side surface of the fixed plate 50.

In this embodiment, four sets of connecting rods 41 are fixed on the lower end surface of the motor 40, the lower ends of the connecting rods 41 are fixed on the bottom plate 42, three sets of supporting rods 43 are vertically fixed on the lower end surface of the bottom plate 42, a base 44 is arranged at the lower end of each set of supporting rods 43, and the base 44 is made of soft rubber; the bearing 45 is arranged at the center of the upper end face of the motor 40, the stirring rod 46 is installed in the bearing 45, four groups of stirring paddles 47 are circularly arranged on the stirring rod 46, and the stirring rod 46 and the stirring paddles 47 are of a rotating structure.

In a preferred embodiment, the connecting rod 41, the bottom plate 42, the supporting rod 43 and the base 44 form a bottom supporting structure of the device, and the motor 40, the bearing 45, the stirring rod 46 and the stirring paddle 47 form an internal stirring structure of the device, so as to eliminate internal bubbles.

In this embodiment, four sets of air suction pipes 10 are annularly arranged on the outer annular surface of the top plate 1, dust screens 11 are arranged on the front end surfaces of the air suction pipes 10, and a flow guide plate 12 is arranged on the inner top of the top plate 1.

As a preferred embodiment, the utility model discloses the setting of four groups breathing pipe 10 on well top dish 1, the convenience is carried out four directions and is absorbed gas in the gaseous environment of side for the gas of extraction is more even, avoids one-way extraction and influences the averageness and the accuracy that detect.

In this embodiment, a demister 23 is installed at the upper portion in the upper cylinder 2, a first turbofan 24 is installed at the lower portion in the upper cylinder 2, a spraying port 21 is provided at the left side of the outer annular surface of the connecting pipe 20, a twist cover 22 is twisted on the upper end of the spraying port 21, and the top plate 1, the upper cylinder 2, the lower cylinder 3 and the exhaust hood 4 are communicated with each other.

In a preferred embodiment, the sprinkling opening 21 of the middle connection pipe 20 is arranged so as to spray an adsorbent corresponding to a gas to be measured into the upper cylinder 2 and the lower cylinder 3 through the sprinkling opening 21 so as to extract the required gas, and the exhaust hood 4 arranged at the lower part of the lower cylinder 3 is used for exhausting the sucked gas, so that the gas in the external environment passes through the top plate 1, the upper cylinder 2, the lower cylinder 3 and the exhaust hood 4 from top to bottom.

In this embodiment, a suction pipe 56 is provided at a lower left portion in the capturing chamber 5, an electromagnetic control valve is installed on the suction pipe 56, a second turbo fan 57 is installed in a lower portion of the suction pipe 56, two sets of partition plates 58 are provided in the capturing chamber 5, an inner space of the capturing chamber 5 is partitioned into a transfer passage 59 by the partition plates 58, an air release port 53 is provided at an upper right portion of the capturing chamber 5, a telescopic pipe 54 is connected to the air release port 53, and a lead-out head 55 is provided at an upper end of the telescopic pipe 54.

As an embodiment of preferred, the utility model discloses well capture room 5 is as the required gas that detects of entrapment, and the initial condition is rushing into sufficient nitrogen gas in the capture room 5, later inhales the required gas that detects from barrel 3 internal absorption again, later extrudes nitrogen gas earlier through gas release 53, flexible pipe 54 and leading-out head 55, extrudes nitrogen gas after, conveniently will capture the needs detection gas direction detecting instrument of entrapment in the room 5, conveniently concentrates the detection analysis.

The utility model discloses can effectively solve the gaseous collection inconvenience that prior art's environment detected, need carry many equipment to gather and detect, relatively troublesome and hard to not portable practical problem, the utility model discloses set up simply rationally, conveniently go on a journey and carry, collect the gaseous light simple in the detected environment to but the defogging defoaming catches required detection gas more accurate, uses nimble portablely.

Claims (6)

1. A portable purging and trapping device suitable for environmental testing, comprising: an upper cylinder (2), a lower cylinder (3), an exhaust hood (4) and a capture chamber (5);

the upper cylinder (2) is arranged at the lower end of the top disc (1), and a connecting pipe (20) is arranged at the lower end of the upper cylinder (2);

the lower cylinder body (3) is arranged below the connecting pipe (20), an outer protective sleeve (30) is sleeved outside the lower cylinder body (3), an air collecting bin (32) is arranged in the lower cylinder body (3), and a heat conducting net (31) is arranged in the air collecting bin (32);

the exhaust hood (4) is arranged at the lower end of the lower barrel (3), and a motor (40) is arranged below the exhaust hood (4);

the catching chamber (5) is arranged on the right side of the lower barrel body (3), a fixing plate (50) is fixed on the right side face of the catching chamber (5), and a handle (51) is arranged on the right side face of the fixing plate (50).

2. The portable purging and trapping device suitable for environmental detection according to claim 1, wherein four sets of connecting rods (41) are fixed to the lower end face of the motor (40), the lower ends of the connecting rods (41) are fixed to the bottom plate (42), three sets of supporting rods (43) are vertically fixed to the lower end face of the bottom plate (42), a base (44) is arranged at the lower end of each set of supporting rods (43), and the base (44) is made of soft rubber.

3. The portable purging and trapping device suitable for environment detection according to claim 1, wherein a bearing (45) is arranged in the center of the upper end face of the motor (40), a stirring rod (46) is installed in the bearing (45), four groups of stirring paddles (47) are annularly arranged on the stirring rod (46), and both the stirring rod (46) and the stirring paddles (47) are of a rotating structure.

4. The portable sweeping and trapping device suitable for environmental detection according to claim 1, wherein four groups of air suction pipes (10) are annularly arranged on the outer annular surface of the top plate (1), the front end surfaces of the air suction pipes (10) are provided with dust screens (11), and the inner top of the top plate (1) is provided with a flow guide plate (12).

5. The portable purging and trapping device suitable for environment detection according to claim 1, wherein a demister (23) is installed at an upper portion in the upper cylinder (2), a first turbofan (24) is installed at a lower portion in the upper cylinder (2), a sprinkling opening (21) is arranged at a left side of an outer annular surface of the connecting pipe (20), a twist cover (22) is twisted on an upper end of the sprinkling opening (21), and the top plate (1), the upper cylinder (2), the lower cylinder (3) and the exhaust hood (4) are communicated with each other.

6. The portable purging and trapping device suitable for environmental detection according to claim 1, wherein a suction pipe (56) is arranged at the lower left part in the capturing chamber (5), an electromagnetic control valve is installed on the suction pipe (56), a second turbofan (57) is installed in the lower part of the suction pipe (56), two groups of partition plates (58) are arranged in the capturing chamber (5), the inner space of the capturing chamber (5) is divided into a conveying channel (59) through the partition plates (58), an air release port (53) is arranged at the upper right part of the capturing chamber (5), a telescopic pipe (54) is connected to the air release port (53), a guide outlet (55) is arranged at the upper end of the telescopic pipe (54), and a nitrogen gas inlet (52) is arranged at the lower front side surface of the capturing chamber (5).

Images