CN209946116U

CN209946116U - VOCs detection device for refinery plant

Info

Publication number: CN209946116U
Application number: CN201920716754.5U
Authority: CN
Inventors: 张鹏彬; 曾钰培; 赵东亚; 黄超
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-14
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a VOCs detection device for refinery plant, the power distribution box comprises a box body, the lower extreme fixedly connected with of box removes the seat, and one side surface of box has seted up the air inlet, upper end surface one side of box articulates there is flip, and the inside of box is provided with detects chamber and filter chamber, it is located one side of filter chamber to detect the chamber, and detects the inside in chamber and be provided with VOCs analysis appearance and vacuum sampling pump, the VOCs analysis appearance is located one side of vacuum sampling pump, the standing groove has all been seted up to the front and back end surface of removing the seat, and the inside of standing groove is provided with the push rod, the one end of push rod runs through and is provided with the axostylus axostyle, the rectangular channel has been seted up to the flip below, and pegs graft in the upper end of rectangular. The utility model discloses, be convenient for remove, the convenience detects each regional air to can the person of facilitating the use dismantle the mechanism of filtering the dust, be convenient for wash and get rid of the dust, it is comparatively convenient.

Description

VOCs detection device for refinery plant

Technical Field

The utility model relates to a VOCs detection device technical field specifically is a VOCs detection device for refinery.

Background

VOCs are harmful substances produced by refineries, and people in the air are poisoned and coma when the content of VOCs in the air is too high.

Contrast [ chinese utility model ] cn201521028305.x novel VOCs detector, including the box and set up in the inside dust filter of box, the electron dehumidifier, the peristaltic pump, the VOCs analysis appearance, the vacuum sampling pump, the gas circuit passageway outside by the intercommunication box that awaits measuring gets into the dust filter, get into the electron dehumidifier after the dust filter filters, set up the peristaltic pump on the electron dehumidifier bottom outlet gas circuit passageway, the top outlet channel intercommunication VOCs analysis appearance's of electron dehumidifier gas inlet, set up the vacuum sampling pump on the outlet gas circuit passageway of VOCs analysis appearance, the outlet channel and the outside intercommunication of box of peristaltic pump and vacuum sampling pump. The utility model provides a novel VOCs detector can effectively filter the dust in the gas that awaits measuring and reduce the gaseous humidity that awaits measuring, protection VOCs analysis appearance and increase of service life.

However, the above-mentioned VOCs detector has some defects when using, and firstly, it is inconvenient to remove, and inconvenient staff moves it to other regions and detects, and secondly, the dust of refinery is more, and dust filter can filter the wind dirt, but its washing is inconvenient, and not convenient to dismantle brings certain puzzlement for the user.

Therefore, a VOCs detection device for a refinery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a VOCs detection device for refinery plant is convenient for remove, conveniently detects each regional air to can the person of facilitating the use dismantle the mechanism of filtering the dust, be convenient for wash and get rid of the dust, it is comparatively convenient, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a VOCs detection device for refinery plant, includes the box, the lower extreme fixedly connected with of box removes the seat, and one side surface of box has seted up the air inlet, upper end surface one side of box articulates there is flip, and the inside of box is provided with detects chamber and filter chamber, it is located one side of filter chamber to detect the chamber, and the inside in detection chamber is provided with VOCs analysis appearance and vacuum sampling pump, the VOCs analysis appearance is located one side of vacuum sampling pump, the standing groove has all been seted up to the front and back end surface of removal seat, and the inside of standing groove is provided with the push rod, the one end of push rod runs through and is provided with the axostylus axostyle, the rectangular channel has been seted up to the flip below, and the upper end of rectangular channel is pegged graft and is had first filter and second filter, first filter.

Through removal seat and the push rod that sets up, be convenient for remove this VOCs detection device, the convenience detects the air in each region, in the use, when the air in other regions is detected to needs, at first, outwards revolve the axostylus axostyle, because one section length that the axostylus axostyle was threaded is greater than the thickness of push rod, therefore, when the push rod breaks away from the standing groove, the axostylus axostyle still with remove seat threaded connection, and the axostylus axostyle is close to the surface of the other end smooth, can not drive the push rod when the axostylus axostyle is rotatory and rotate, axostylus axostyle and push rod swing joint, then, the push rod that will break away from the standing groove rotates certain angle and makes it corresponding with the chute, it is fixed with axostylus axostyle.

Preferably, the size and specification of first filter and second filter are unanimous, and just first filter is located one side surface of second filter and inlays respectively and has had little filter screen and active carbon filter screen, the handle groove has all been seted up to one side surface upper end of first filter and second filter.

The handle groove is convenient for a user to draw out the first filter plate and the second filter plate.

Preferably, the first filter plate and the second filter plate are inserted into arc-shaped grooves correspondingly formed in the lower end of the filter chamber, and the outer surface of the micro filter screen is provided with a plurality of holes with the aperture of 5 mm.

The holes on the micro-filtration net filter large-particle impurities in the air.

Preferably, the outer surface of the shaft rod is provided with threads at a position close to one end, the shaft rod penetrates through the push rod and is screwed into the movable seat to be in threaded connection with the movable seat, and the outer surface of the shaft rod close to the other end is smooth.

The push rod is contacted with the shaft rod part with a smooth outer surface, so that the push rod is movably connected with the shaft rod.

Preferably, the threaded section of the shaft rod is longer than the thickness of the push rod, the thickness of the push rod is the same as the depth of the placing groove, the placing groove is divided into two parts, one part is a transverse groove, and the other part is an inclined groove.

The thickness that one section length of shaft bar area screw thread is greater than the push rod can avoid the push rod to break away from when the standing groove the shaft bar drops.

Preferably, the outer surface of the other side of the box body is fixedly connected with a wire, and the output end of the wire is electrically connected with the output ends of the VOCs analyzer and the vacuum sampling pump.

The vacuum sampling pump creates negative pressure to generate suction force and can convey detected air to external sampling storage equipment.

Preferably, the air inlet, the filter chamber, the VOCs analyzer and the vacuum sampling pump are communicated, and an observation window is embedded in the outer surface of the front end of the box body.

The observation window is convenient for the user to observe and detect the chamber and look over VOCs analysis appearance operating condition and data.

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

1. through the moving seat and the push rod, the VOCs detection device is convenient to move, air in each area is convenient to detect, in use, when air in other areas needs to be detected, firstly, the shaft rod is outwards screwed, because the length of the section of the shaft rod with the threads is larger than the thickness of the push rod, when the push rod is separated from the placing groove, the shaft rod is still in threaded connection with the moving seat, the outer surface of the shaft rod close to the other end is smooth, the shaft rod cannot be driven to rotate when rotating, the shaft rod is movably connected with the push rod, then, the push rod separated from the placing groove is rotated by a certain angle to be corresponding to the chute, the push rod is screwed into the moving seat again by holding the push rod, so that the push rod enters the chute to be fixed, the two push rods and the moving seat form a certain inclination angle, and finally, a user can quickly;

2. when the inhaled air is detected, firstly, the air enters the detection chamber from the air inlet, then, loop through the micro-filtration net of first filter and the active carbon filter net of second filter, wherein, the micro-filtration net filters the large granule debris in the air, and the active carbon filter net filters the impurity adsorption in the air after the micro-filtration net filters, finally, the air after the filtration gets into the VOCs analysis appearance and detects, a period of time later, the user opens flip, take first filter and second filter out from filter chamber and rectangular channel through the handle groove, insert again after the dust and the impurity that wash it off and detect the chamber, thereby the person of facilitating the use dismantles the installation, be convenient for wash and get rid of the dust, it is comparatively convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the movable base and the push rod of the present invention;

FIG. 3 is an internal view of the case of the present invention;

FIG. 4 is a view of the combination of the box body and the flip cover of the present invention;

fig. 5 is a structural view of the first filter plate and the second filter plate of the present invention;

fig. 6 is a structural view of the shaft rod of the present invention.

In the figure: 1. a movable seat; 2. a box body; 3. an air inlet; 4. a cover is turned; 5. a VOCs analyzer; 6. a vacuum sampling pump; 7. a detection chamber; 8. a placement groove; 9. a push rod; 10. a shaft lever; 11. a filter chamber; 111. a second filter plate; 112. a first filter plate; 113. a rectangular groove; 114. an active carbon filter screen; 115. a handle slot; 116. a micro-filter screen; 12. and (4) threading.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

as shown in fig. 1, a VOCs detection device for a refinery comprises a box body 2, wherein a movable seat 1 is fixedly connected to the lower end of the box body 2, an air inlet 3 is formed in the outer surface of one side of the box body 2, a flip cover 4 is hinged to one side of the outer surface of the upper end of the box body 2, universal wheels with lock catches are fixedly connected to corners of the outer surface of the lower end of the movable seat 1, the universal wheels provide a movable basis for the movable seat 1, and the lock catches can lock the universal wheels;

as shown in fig. 1 and 2, a detection chamber 7 and a filter chamber 11 are arranged inside the box body 2, the detection chamber 7 is located at one side of the filter chamber 11, a VOCs analyzer 5 and a vacuum sampling pump 6 are arranged inside the detection chamber 7, and the VOCs analyzer 5 is located at one side of the vacuum sampling pump 6;

as shown in fig. 1 and 2, the outer surfaces of the front end and the rear end of the moving seat 1 are both provided with a placing groove 8, a push rod 9 is arranged inside the placing groove 8, and one end of the push rod 9 is provided with a shaft rod 10 in a penetrating manner;

as shown in fig. 1 and 3, a rectangular groove 113 is formed below the flip cover 4, and a first filter plate 112 and a second filter plate 111 are inserted into the upper end of the rectangular groove 113, wherein the first filter plate 112 is located at one side of the second filter plate 111.

By adopting the technical scheme, the VOCs detection device is convenient to move and detect the air in each area through the arranged moving seat 1 and the push rod 9, when the VOCs detection device is used and the air in other areas needs to be detected, firstly, the shaft lever 10 is outwards screwed, since the length of the shaft 10 with the thread 12 is greater than the thickness of the push rod 9, when the push rod 9 is disengaged from the placement groove 8, the shaft 10 is still in threaded connection with the mobile seat 1, the outer surface of the shaft lever 10 close to the other end is smooth, the shaft lever 10 can not drive the push rod 9 to rotate when rotating, the shaft lever 10 is movably connected with the push rod 9, then, the push rod 9 separated from the placing groove 8 is rotated by a certain angle to enable the push rod to correspond to the chute, the push rod 9 is held, the shaft rod 10 is screwed into the moving seat 1 again to enable the push rod 9 to enter the chute to be fixed, the two push rods 9 and the moving seat 1 form a certain inclination angle, and finally, a user can fast and labor-saving push the device to other areas by holding the push rod 9.

Specifically, as shown in fig. 5, the first filter plate 112 and the second filter plate 111 have the same size, and a micro filter 116 and an activated carbon filter 114 are respectively embedded in the outer surface of the first filter plate 112 on one side of the second filter plate 111, and handle grooves 115 are respectively formed in the upper ends of the outer surfaces of the first filter plate 112 and the second filter plate 111 on one side.

By adopting the above technical solution, the handle groove 115 is convenient for a user to draw out the first filter plate 112 and the second filter plate 111.

Specifically, as shown in fig. 3 and 5, the first filter plate 112 and the second filter plate 111 are inserted into arc-shaped grooves correspondingly formed at the lower end of the filter chamber 11, and a plurality of holes with a diameter of 5mm are formed on the outer surface of the micro-filter 116.

By adopting the technical scheme, the holes on the microfiltration net 116 filter large-particle impurities in the air.

Specifically, as shown in fig. 1 and 6, a thread 12 is disposed on an outer surface of the shaft 10 near one end, the shaft 10 is screwed into the movable seat 1 through the push rod 9 and is connected with the thread, and an outer surface of the shaft 10 near the other end is smooth.

Through adopting above-mentioned technical scheme, push rod 9 and the smooth axostylus axostyle 10 part contact of surface to make swing joint between push rod 9 and the axostylus axostyle 10.

Specifically, as shown in fig. 1, 2 and 6, a length of the shaft 10 with the thread 12 is greater than a thickness of the push rod 9, the thickness of the push rod 9 is the same as a depth of the placement groove 8, and the placement groove 8 is divided into two parts, one part is a transverse groove and the other part is an inclined groove.

Through adopting above-mentioned technical scheme, a section length that axostylus axostyle 10 has screw thread 12 is greater than the thickness of push rod 9 and can avoid axostylus axostyle 10 to drop when push rod 9 breaks away from standing groove 8.

Specifically, as shown in fig. 1, a lead is fixedly connected to the outer surface of the other side of the box body 2, and an output end of the lead is electrically connected to the output ends of the VOCs analyzer 5 and the vacuum sampling pump 6.

Through adopting above-mentioned technical scheme, vacuum sampling pump 6 builds the negative pressure and produces suction and can carry the air after the detection in external sampling storage facilities.

Specifically, as shown in fig. 1 and 3, the air inlet 3, the filter chamber 11, the VOCs analyzer 5, and the vacuum sampling pump 6 are communicated with each other, and an observation window is embedded in the outer surface of the front end of the box body 2.

Through adopting above-mentioned technical scheme, observation window convenient to use person observes and detects chamber 7 and looks over the running state and the data of VOCs analysis appearance 5.

The working principle is as follows: when the device is used, when air in other areas needs to be detected, firstly, the shaft lever 10 is screwed outwards, because the length of one section of the shaft lever 10 with the threads 12 is greater than the thickness of the push rod 9, when the push rod 9 is separated from the placing groove 8, the shaft lever 10 is still in threaded connection with the moving seat 1, the outer surface of the shaft lever 10 close to the other end is smooth, the shaft lever 10 cannot drive the push rod 9 to rotate when rotating, the shaft lever 10 is movably connected with the push rod 9, then, the push rod 9 separated from the placing groove 8 is rotated by a certain angle to be corresponding to the chute, the push rod 9 is held to screw the shaft lever 10 into the moving seat 1 again to enable the push rod 9 to enter the chute to be fixed, the two push rods 9 and the moving seat 1 form a certain inclination angle, and finally, a user can push the device to other areas by holding the push rod 9 quickly and laborsavingly, thereby, when the inhaled air is detected, firstly, the air enters the detection chamber 7 from the air inlet 3, then, the microfiltration net 116 of the first filter 112 and the active carbon filter net 114 of the second filter 111 are sequentially arranged, wherein the microfiltration net 116 filters out large-particle impurities in the air, the active carbon filter net 114 adsorbs and filters impurities in the air filtered by the microfiltration net 116, finally, the filtered air enters the VOCs analyzer 5 for detection, after a period of time, the user opens the flip cover 4, the first filter 112 and the second filter 111 are taken out from the filter chamber 11 and the rectangular groove 113 through the handle groove 115, the dust and the impurities on the filter are cleaned and then inserted into the detection chamber 7, and therefore the device is convenient for the user to disassemble and install, and is convenient for cleaning and removing the dust, and is convenient.

The using method comprises the following steps: firstly, a user moves the device to an area needing to be detected, the shaft lever 10 is screwed outwards, because the length of one section of the shaft lever 10 with the threads 12 is greater than the thickness of the push rod 9, when the push rod 9 is separated from the placing groove 8, the shaft lever 10 is still in threaded connection with the moving seat 1, the outer surface of the shaft lever 10 close to the other end is smooth, the shaft lever 10 cannot drive the push rod 9 to rotate when rotating, the shaft lever 10 is movably connected with the push rod 9, the push rod 9 separated from the placing groove 8 is rotated by a certain angle to be corresponding to the chute, the shaft lever 10 is screwed into the moving seat 1 again by holding the push rod 9 to enable the push rod 9 to enter the chute to be fixed, the two push rods 9 and the moving seat 1 form a certain inclination angle, the user can quickly and laborsavingly push the device to other areas by holding the push rod 9, then, the power supply is switched on through a lead, the, the microfiltration net 116 of the first filter plate 112 and the activated carbon filter net 114 of the second filter plate 111 are sequentially arranged, wherein the microfiltration net 116 filters large-particle impurities in the air, the activated carbon filter net 114 absorbs and filters impurities in the air filtered by the microfiltration net 116, the filtered air enters the VOCs analyzer 5 for detection, a user observes the detection chamber 7 through an observation window and checks the operation state and data of the VOCs analyzer 5, the vacuum sampling pump 6 creates negative pressure to generate suction and can convey the detected air to an external sampling storage device, finally, after a period of time, the user opens the flip cover 4, the first filter plate 112 and the second filter plate 111 are extracted from the filter chamber 11 and the rectangular groove 113 through the hand groove 115, and the dust and the impurities on the first filter plate are cleaned and then inserted into the detection chamber 7, so that the user can conveniently disassemble and assemble the filter plate and clean the dust, is convenient.

The installation method comprises the following steps:

firstly, opening the flip cover 4, and inserting the first filter plate 112 and the second filter plate 111 into the filter chamber 11;

secondly, the flip cover 4 is closed, and the VOCs analyzer 5 and the vacuum sampling pump 6 are installed in the detection cavity 7;

and thirdly, communicating the air inlet 3, the filter cavity 11, the VOCs analyzer 5 and the vacuum sampling pump 6 by using a connecting pipe, communicating the vacuum sampling pump 6 with external sampling storage equipment, and finishing the assembly.

The utility model discloses the process of VOCs analysis meter 5,

vacuum sampling pump

6 and 5 analysis air of VOCs analysis meter all adopt the utility model provides a background data gives, and cooperate the utility model discloses a description of specification, affiliated technical field personnel can reach its use to obtain corresponding result of use, the event does not have the one-to-one disclosure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a VOCs detection device for refinery plant, includes box (2), its characterized in that: the lower end of the box body (2) is fixedly connected with a movable seat (1), the outer surface of one side of the box body (2) is provided with an air inlet (3), one side of the outer surface of the upper end of the box body (2) is hinged with a flip cover (4), the interior of the box body (2) is provided with a detection chamber (7) and a filter chamber (11), the detection chamber (7) is positioned on one side of the filter chamber (11), the interior of the detection chamber (7) is provided with a VOCs analyzer (5) and a vacuum sampling pump (6), the VOCs analyzer (5) is positioned on one side of the vacuum sampling pump (6), the outer surfaces of the front end and the rear end of the movable seat (1) are respectively provided with a placing groove (8), the interior of the placing groove (8) is provided with a push rod (9), one end of the push rod (9) is provided with a shaft rod (10) in a penetrating manner, a rectangular groove (113) is formed below the flip cover (4), and the upper end of, the first filter plate (112) is located at one side of the second filter plate (111).

2. A VOCs detection apparatus for a refinery according to claim 1, wherein: first filter (112) are unanimous with the size and specification of second filter (111), and first filter (112) are located one side surface of second filter (111) and inlay respectively and have little filter screen (116) and active carbon filter screen (114), handle groove (115) have all been seted up to one side surface upper end of first filter (112) and second filter (111).

3. A VOCs detection apparatus for a refinery according to claim 2, wherein: the first filter plate (112) and the second filter plate (111) are inserted into arc-shaped grooves correspondingly formed in the lower end of the filter cavity (11), and a plurality of holes with the aperture of 5mm are formed in the outer surface of the micro-filter screen (116).

4. A VOCs detection apparatus for a refinery according to claim 1, wherein: the outer surface of the shaft lever (10) is provided with a thread (12) at a position close to one end, the shaft lever (10) penetrates through the push rod (9) to be screwed into the movable seat (1) to be in threaded connection with the movable seat, and the outer surface of the shaft lever (10) close to the other end is smooth.

5. A VOCs detection apparatus for a refinery according to claim 4, wherein: the length of one section of the shaft lever (10) with the threads (12) is larger than the thickness of the push rod (9), the thickness of the push rod (9) is the same as the depth of the placing groove (8), the placing groove (8) is divided into two parts, one part is a transverse groove, and the other part is an inclined groove.

6. A VOCs detection apparatus for a refinery according to claim 1, wherein: the outer surface of the other side of the box body (2) is fixedly connected with a wire, and the output end of the wire is electrically connected with the VOCs analyzer (5) and the output end of the vacuum sampling pump (6).

7. A VOCs detection apparatus for a refinery according to claim 1, wherein: the device is characterized in that the air inlet (3), the filter chamber (11), the VOCs analyzer (5) and the vacuum sampling pump (6) are communicated with each other, and an observation window is embedded in the outer surface of the front end of the box body (2).