CN214538790U

CN214538790U - VOC collection system

Info

Publication number: CN214538790U
Application number: CN202120307801.8U
Authority: CN
Inventors: 张莹; 孙猛; 刘佳泓; 李晓曼; 郜计欣; 易晓娟; 周晶; 薄喆; 杨丽萍
Original assignee: Tianjin Eco Environmental Monitoring Center
Current assignee: Tianjin Eco Environmental Monitoring Center
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-29
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a VOC collecting device, which comprises a sampling barrel, a heating device, a gas collecting barrel, a cover plate and a connecting structure; sampling barrel head portion be equipped with can with apron complex opening, the gas collection bucket sets up inside the sampling barrel, when the sample that awaits measuring is equipped with in the gas collection bucket, heating device is used for heating the sample that awaits measuring, is equipped with the blast pipe on the sampling barrel, be equipped with on the gas collection bucket can with blast pipe complex exhaust interface, be equipped with discharge valve on the blast pipe. A VOC collection system, solved because prior art's VOC collection system's structure is too complicated, lead to the operation too loaded down with trivial details technical problem of the sample bucket of packing into of operating personnel's sample that will await measuring.

Description

VOC collection system

Technical Field

The utility model belongs to the technical field of the VOC detects, especially, relate to a VOC collection system.

Background

In the detection items such as gas component analysis and odor test, gas sampling is first required. For example, in the VOC (volatile organic compound) test, the method is generally used to cut the object to be tested into a suitable size, put the object into a sampling cylinder in a VOC collecting device, put the sampling cylinder into an oven, bake the object for a period of time at a suitable temperature so that the VOC in the object to be tested is volatilized into a bag, then extract the gas in the bag, and make the sample for on-machine test. Because prior art's VOC collection system's structure is too complicated, lead to operating personnel to be awaited measuring the sample and pack into the operation in the sampling bucket too loaded down with trivial details, and then prolonged operating time.

Disclosure of Invention

In view of this, the utility model aims at providing a VOC collection system has solved because prior art's VOC collection system's structure is too complicated, leads to the operation too loaded down with trivial details technical problem in the sampling bucket that the operating personnel will await measuring the sample packing into.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a VOC collecting device comprises a sampling barrel, a heating device, a gas collecting barrel, a cover plate and a connecting structure;

the sampling barrel bottom is equipped with can with apron complex opening, the setting of gas collection bucket is in inside the sampling barrel, when the sample that awaits measuring is equipped with in the gas collection bucket, heating device is used for heating the sample that awaits measuring, be equipped with the blast pipe on the sampling barrel, be equipped with on the gas collection bucket can with blast pipe complex exhaust interface, be equipped with discharge valve on the blast pipe.

Further, connection structure includes adapter sleeve, a plurality of spiral protrusion and a plurality of can with spiral protrusion complex spiral groove, spiral protrusion's quantity with spiral groove quantity is unanimous, the adapter sleeve sets up the up end of apron, and is a plurality of spiral protrusion with the axial lead circumference align to grid setting of adapter sleeve is in the outer wall of adapter sleeve, each spiral protrusion all with the adapter sleeve rigid coupling, it is a plurality of spiral groove with the axial lead circumference of adapter sleeve evenly sets up the sampling barrel inner wall.

Furthermore, each spiral protrusion is integrally connected with the connecting sleeve.

Further, the number of the spiral protrusions is four.

Furthermore, connection structure still includes a plurality of pins, the terminal surface is equipped with a plurality of first through-holes under the sampling bucket, be equipped with a plurality of second through-holes on the apron, it is a plurality of first through-hole and second through-hole all with the axial lead circumference align to grid of adapter sleeve, one first through-hole is through one the pin is with one the second through-hole is connected, the quantity of first through-hole, the quantity of second through-hole and the quantity of pin are unanimous.

Furthermore, VOC collection system still includes location structure, location structure includes holding ring and a plurality of location arch, the holding ring with the internal wall rigid coupling of sampling barrel, it is a plurality of the location arch with the axial lead circumference align to grid of holding ring all sets up gas collection bucket up end, the holding ring is located gas collection bucket upper end, be equipped with on the holding ring a plurality of can with the protruding complex positioning groove in location.

Further, the outer wall of blast pipe is equipped with first rubber circle, first rubber circle sets up in the sampling bucket, work as the exhaust interface with after the blast pipe cooperation, first rubber circle is used for sealing the exhaust interface with clearance between the blast pipe.

Further, the gas collection bucket is transparent bucket, heating device includes six infrared heater, six infrared heater symmetry sets up sampling bucket inner wall, six infrared heater all is used for heating the sample that awaits measuring.

Furthermore, a second rubber ring is arranged on the cover plate, and an annular groove which can be matched with the lower end face of the gas collection barrel is formed in the second rubber ring.

Further, apron up end is equipped with sample fixed knot and constructs, sample fixed knot constructs including fixed plate and a plurality of fixation clamp that are used for fixed test tube, the fixed plate sets up apron up end, it is a plurality of the fixation clamp is arranged and is set up on the fixed plate.

Compared with the prior art, a VOC collection system have following advantage:

a VOC collection system, the apron can be dismantled with the sampling bucket through connection structure and be connected, the apron is fixed the test tube of the sample that awaits measuring through fixed knot structure, and then can simplify the operation process in the collection system that the operating personnel will await measuring the sample packing into, positioning mechanism can avoid preventing to produce the condition of misalignment between gas collection bucket and the sampling bucket, can effectively guarantee through first rubber circle and the second rubber circle that sets up on the blast pipe that gas collection bucket is gathering together the sealed of in-process.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a VOC collecting device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a sampling barrel in a VOC collection device according to an embodiment of the present invention;

fig. 3 is a schematic view of a gas collection barrel in a VOC collection device according to an embodiment of the present invention;

fig. 4 is a schematic view of an upper end surface structure of a cover plate in a VOC collection device according to an embodiment of the present invention;

fig. 5 is a schematic view of a spiral protrusion structure in a VOC collection device according to an embodiment of the present invention.

Description of reference numerals:

101. a sampling barrel; 102. an exhaust valve; 103. an exhaust pipe; 1031. a first rubber ring; 104. a heating device; 105. a spiral groove; 106. a positioning ring; 201. a cover plate; 202. connecting sleeves; 203. a spiral protrusion; 301. a fixing plate; 302. and (4) fixing clips.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A VOC collection device, as shown in fig. 1, comprising a sampling barrel 101, a heating device 104, a gas collecting barrel, a cover plate 201 and a connecting structure;

sampling bucket 101 bottom be equipped with can with apron 201 complex opening, the gas collection bucket sets up inside sampling bucket 101, when the sample that awaits measuring is equipped with in the gas collection bucket, heating device 104 is used for heating the sample that awaits measuring, be equipped with blast pipe 103 on the sampling bucket 101, be equipped with on the gas collection bucket can with blast pipe 103 complex exhaust interface, be equipped with discharge valve 102 on the blast pipe 103, apron 201 can dismantle with the sampling bucket through connection structure and be connected, apron 201 fixes the test tube that is equipped with the sample that awaits measuring through fixed knot structure, and then can simplify the operating process in the collection system that the operating personnel will await measuring the sample packing into, there is insulation material in the bucket wall of sampling bucket 101, insulation material is current insulation material.

The connecting structure comprises a connecting sleeve 202, a plurality of spiral protrusions 203 and a plurality of spiral grooves 105 capable of being matched with the spiral protrusions 203, the number of the spiral protrusions 203 is consistent with that of the spiral grooves 105, the connecting sleeve 202 is arranged on the upper end face of the cover plate 201, the spiral protrusions 203 are uniformly arranged on the outer wall of the connecting sleeve 202 by the axis circumference of the connecting sleeve 202, each spiral protrusion 203 is fixedly connected with the connecting sleeve 202, the spiral grooves 105 are uniformly arranged on the inner wall of the sampling barrel 101 by the axis circumference of the connecting sleeve 202, in the embodiment, each spiral protrusion 203 is integrally connected with the connecting sleeve 202, and the number of the spiral protrusions 203 is four.

The connecting structure further comprises a plurality of pins, a plurality of first through holes are formed in the lower end face of the sampling barrel 101, a plurality of second through holes are formed in the cover plate 201, the first through holes and the second through holes are evenly arranged on the circumference of the axial lead of the connecting sleeve 202, one first through hole is connected with one second through hole through one pin, and the number of the first through holes, the number of the second through holes and the number of the pins are consistent.

The VOC collection system still includes location structure, location structure includes holding ring 106 and a plurality of location arch, holding

ring

106 and 101 inner wall rigid couplings of sampling barrel, a plurality of location arch all set up at gas collection bucket up end with the axial lead circumference align to grid of holding ring 106, holding ring 106 is located gas collection bucket upper end, be equipped with on holding ring 106 a plurality ofly can with the protruding complex positioning groove in location, positioning mechanism can avoid preventing to produce the condition of adjusting well between gas collection bucket and the sampling barrel.

The outer wall of blast pipe 103 is equipped with first rubber circle 1031, first rubber circle 1031 sets up in sampling barrel 101, after exhaust interface and blast pipe 103 cooperation, first rubber circle 1031 is used for sealing the clearance between exhaust interface and the blast pipe 103, the gas collection bucket is transparent bucket, heating device 104 includes six infrared heater, six infrared heater symmetries set up at sampling barrel 101 inner wall, six infrared heater all are used for heating the sample that awaits measuring, infrared sensor is current infrared sensor, be equipped with the second rubber circle on the apron 201, be equipped with on the second rubber circle can with the gas collection bucket under the terminal surface complex annular groove, first rubber circle 1031 and the second rubber circle that set up on the blast pipe can effectively guarantee the gas collection bucket in the sealed of alignment in-process.

The upper end surface of the cover plate 201 is provided with a sample fixing structure, the sample fixing structure comprises a fixing plate 301 and a plurality of fixing clamps 302 for fixing test tubes, the fixing plate 301 is arranged on the upper end surface of the cover plate 201, and the plurality of fixing clamps 302 are arranged on the fixing plate 301.

Working mode of the example

In the use, install temperature sensor to sampling barrel 101 in, and all be connected temperature sensor and each infrared heater with the singlechip, temperature sensor is current temperature sensor, temperature sensor is used for responding to infrared heater to the heating temperature of the sample that awaits measuring, operating personnel will be equipped with the test tube of the sample that awaits measuring and install to the fixation clamp on, apron 201 passes through connection structure and is connected with sampling barrel 101, start heating device after connecting, after the gas collection is accomplished to the gas collection bucket, open discharge valve 102, take out the gas in the gas collection bucket.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a VOC collection system which characterized in that: comprises a sampling barrel (101), a heating device (104), a gas collecting barrel, a cover plate (201) and a connecting structure;

sampling bucket (101) bottom be equipped with can with apron (201) complex opening, the gas collection bucket sets up inside sampling bucket (101), work as when the sample that awaits measuring is equipped with in the gas collection bucket, heating device (104) are used for heating the sample that awaits measuring, be equipped with blast pipe (103) on sampling bucket (101), be equipped with on the gas collection bucket can with blast pipe (103) complex exhaust interface, be equipped with discharge valve (102) on blast pipe (103).

2. A VOC collection device according to claim 1, wherein: connection structure includes adapter sleeve (202), a plurality of spiral protrusion (203) and a plurality of can with spiral protrusion (203) complex spiral groove (105), the quantity of spiral protrusion (203) with spiral groove (105) quantity is unanimous, adapter sleeve (202) set up the up end of apron (201), and is a plurality of spiral protrusion (203) with the axial lead circumference align to grid of adapter sleeve (202) sets up the outer wall of adapter sleeve (202), each spiral protrusion (203) all with adapter sleeve (202) rigid coupling, it is a plurality of spiral groove (105) with the axial lead circumference of adapter sleeve (202) evenly sets up sampling bucket (101) inner wall.

3. A VOC collection device according to claim 2, wherein: each spiral protrusion (203) is integrally connected with the connecting sleeve (202).

4. A VOC collection device according to claim 2, wherein: the number of the spiral protrusions (203) is four.

5. A VOC collection device as claimed in any one of claims 2 to 4, wherein: connection structure still includes a plurality of pins, the terminal surface is equipped with a plurality of first through-holes under sample bucket (101), be equipped with a plurality of second through-holes on apron (201), it is a plurality of first through-hole and second through-hole all with the axial lead circumference align to grid of adapter sleeve (202), one first through-hole is through one the pin is with one the second through-hole is connected, the quantity of first through-hole, the quantity of second through-hole and the quantity of pin are unanimous.

6. A VOC collection device as claimed in claim 5, wherein: the VOC collection system still includes location structure, location structure includes holding ring (106) and a plurality of location arch, holding ring (106) with sampling bucket (101) inner wall rigid coupling, it is a plurality of the location arch with the axial lead circumference align to grid of holding ring (106) all sets up gas collection bucket up end, holding ring (106) are located gas collection bucket upper end, be equipped with on holding ring (106) a plurality of can with the protruding complex positioning groove in location.

7. A VOC collection device according to claim 1, wherein: the outer wall of blast pipe (103) is equipped with first rubber circle (1031), first rubber circle (1031) set up in sampling bucket (101), work as the exhaust interface with after blast pipe (103) cooperation, first rubber circle (1031) are used for sealing the exhaust interface with the clearance between blast pipe (103).

8. A VOC collection device according to claim 1, wherein: the gas collection barrel is a transparent barrel, the heating device (104) comprises six infrared heaters, the six infrared heaters are symmetrically arranged on the inner wall of the sampling barrel (101), and the six infrared heaters are used for heating samples to be detected.

9. A VOC collection device according to claim 1, wherein: and a second rubber ring is arranged on the cover plate (201), and an annular groove which can be matched with the lower end face of the gas collection barrel is formed in the second rubber ring.

10. A VOC collection device according to any one of claims 7-9, wherein: apron (201) up end is equipped with sample fixed knot and constructs, sample fixed knot constructs including fixed plate (301) and a plurality of fixation clamp (302) that are used for fixed test tube, fixed plate (301) set up apron (201) up end, it is a plurality of fixation clamp (302) are arranged and are set up on fixed plate (301).