阅读说明：本技术 一种工业用voc在线监测装置 (Industrial VOC on-line monitoring device ) 是由 余欢 陈建波 陶红 于 2019-11-01 设计创作，主要内容包括：本发明属于VOC检测技术领域,尤其为一种工业用VOC在线监测装置,包括壳体、蝶阀、过滤管和,所述壳体外壁固定连接有进气管,所述蝶阀数量为两个,所述蝶阀两端固定连接有,其中一个所述蝶阀位于所述进气管与冷凝器之间,且与所述进气管、所述冷凝器密封连接,所述过滤管内壁固定连接有固定板,所述过滤管内壁卡合连接有颗粒滤网,所述颗粒滤网与所述固定板可拆卸连接；该一种工业用VOC在线监测装置,通过颗粒滤网可以对经过的烟气中的粉尘颗粒进行过滤,当颗粒滤网堵塞的时候,能够解除过滤管与冷凝器、蝶阀之间的连接,把内部的颗粒滤网拆卸下来进行清洗和更换,使过滤管的内部保持通畅,不会影响到装置对VOC的正常监测。(The invention belongs to the technical field of VOC detection, and particularly relates to an industrial VOC online monitoring device which comprises a shell, two butterfly valves, a filter pipe and a control unit, wherein the outer wall of the shell is fixedly connected with an air inlet pipe; this industrial VOC on-line monitoring device can filter the dust granule in the flue gas of process through the granule filter screen, when the granule filter screen blockked up, can remove the filter tube and be connected between condenser, the butterfly valve, dismantles the granule filter screen of inside and gets off and wash and change, makes the inside of filter tube keep unobstructed, can not influence the device to VOC's normal monitoring.)

1. The industrial VOC on-line monitoring device is characterized by comprising a shell (1), a butterfly valve (3) and a filter pipe (4), wherein the outer wall of the shell (1) is fixedly connected with an air inlet pipe (11);

the number of the butterfly valves (3) is two, one butterfly valve (3) is positioned between the air inlet pipe (11) and the condenser (5) and is in sealing connection with the air inlet pipe (11) and the condenser (5);

the inner wall of the filtering pipe (4) is fixedly connected with a fixing plate (41), the inner wall of the filtering pipe (4) is connected with a particle filter screen (42) in a clamping manner, the particle filter screen (42) is detachably connected with the fixing plate (41), the outer wall of the filtering pipe (4) is fixedly connected with an exhaust pipe (43), and the exhaust pipe (43) is connected with an external air pump;

the condenser (5) is positioned between one of the butterfly valves (3) and the filter pipe (4), the condenser (5) is connected with the filter pipe (4) in a sealing way, one of the butterfly valves (3) is connected with the filter pipe (4) in a sealing way, and the other butterfly valve (3) is positioned at one end, far away from the shell (1), of the filter pipe (4) and is connected with the filter pipe (4) in a sealing way;

casing (1) articulates through first pivot (61) has door (6) that opens and shuts, door (6) outer wall opens and shuts is equipped with the transparent box (7) of placing, transparent box (7) both sides fixedly connected with connecting plate (71) of placing, connecting plate (71) with door (6) that opens and shuts can dismantle the connection.

2. The industrial VOC on-line monitoring device of claim 1, characterized in that: the air inlet pipe is characterized in that a supporting plate (21) is arranged at the bottom of the air inlet pipe (11), the top of the supporting plate (21) is in contact with the air inlet pipe (11), and a supporting rod (2) is fixedly connected to the bottom of the supporting plate (21).

3. The industrial VOC on-line monitoring device of claim 2, characterized in that: the bottom of the support rod (2) is provided with a rubber pad (22), and the support rod (2) is fixedly connected with the rubber pad (22).

4. The industrial VOC on-line monitoring device of claim 2, characterized in that: the supporting plate (21) is U-shaped, and the diameter of the air inlet pipe (11) is smaller than the width of the supporting plate (21).

5. The industrial VOC on-line monitoring device of claim 1, characterized in that: be equipped with fixing bolt (421) on granule filter screen (42), granule filter screen (42) pass through fixing bolt (421) with fixed plate (41) spiro union is fixed.

6. The industrial VOC on-line monitoring device of claim 1, characterized in that: the number of the particle filter screens (42) is two, and the particle filter screens are symmetrically distributed at two ends of the filter pipe (4).

7. The industrial VOC on-line monitoring device of claim 1, characterized in that: the outer wall of the opening and closing door (6) is provided with a handle (62), and the handle (62) is fixedly connected with the opening and closing door (6).

8. The industrial VOC on-line monitoring device of claim 1, characterized in that: the connecting plate (71) is provided with a connecting bolt (72), and the connecting plate (71) is fixed with the opening and closing door (6) in a threaded manner through the connecting bolt (72).

9. The industrial VOC on-line monitoring device of claim 1, characterized in that: transparent box (7) top one end fixedly connected with second pivot (73) of placing, transparent box (7) of placing passes through second pivot (73) articulates there is lid (74) that opens and shuts.

10. The industrial VOC on-line monitoring device of claim 9, characterized in that: the bottom of the opening and closing cover (74) is fixedly connected with a led lamp (741), and the led lamp (741) is electrically connected with an external power supply.

Technical Field

The invention belongs to the technical field of VOC detection, and particularly relates to an industrial VOC online monitoring device.

Background

The VOC is a short name of Volatile Organic Compounds (VOCs), has many types and wide distribution, is an atmospheric pollutant seriously harming environmental ecology and human health, most VOCs have toxicity, irritation and even carcinogenicity, and are easy to have photochemical reaction with nitrogen oxides to form photochemical smog and cause secondary pollution, the chinese utility model patent with the publication number of CN205055767 discloses an on-line automatic continuous monitoring system for the concentration of organic solvent exhaust gas, which mainly detects the air after filtering and absorbing moisture, can realize automatic and real-time detection of VOC gas (volatile organic compound gas), but in the actual use process, the applicant finds that when the VOC in the detected air exceeds the standard, the air is directly discharged into the atmosphere, and the long-term use causes the content of VOC in the atmosphere around the monitoring system to be higher, thereby making the detection result error large.

Therefore chinese patent discloses a VOC on-line monitoring device, application number (201820402859.9), this patent technology can carry out purification treatment to the air that exceeds standard after detecting, thereby prevent that its surrounding VOC content from rising to influence and detecting, however, the device filters the dust through dust filter when using, come to condense vapor through the condenser, because contain a large amount of dusts and granule in the flue gas that produces among the industrial production, can cause the jam of filter when the dust passes through the filter for a long time, change filter equipment untimely and will cause the phenomenon of not breathing in, thereby can exert an influence to the data of monitoring. Accordingly, one skilled in the art provides an online monitoring device for industrial VOC to solve the above problems in the background art.

Disclosure of Invention

The invention aims to provide an industrial VOC on-line monitoring device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an industrial VOC on-line monitoring device comprises a shell, butterfly valves and filter pipes, wherein the outer wall of the shell is fixedly connected with an air inlet pipe, the number of the butterfly valves is two, one of the butterfly valves is positioned between the air inlet pipe and a condenser and is in sealing connection with the air inlet pipe and the condenser, the inner wall of the filter pipe is fixedly connected with a fixing plate, a particle filter screen is clamped and connected with the inner wall of the filter pipe, the particle filter screen is detachably connected with the fixing plate, the outer wall of the filter pipe is fixedly connected with an exhaust pipe, the exhaust pipe is connected with an external air pump, the condenser is positioned between one of the butterfly valves and the filter pipe, the condenser is in sealing connection with the filter pipe and one of the butterfly valves, the other butterfly valve is positioned at one end, far away from the shell, of the butterfly valves are in sealing connection with the filter pipes, the outer wall of the opening and closing door is provided with a transparent placing box, two sides of the transparent placing box are fixedly connected with connecting plates, and the connecting plates are detachably connected with the opening and closing door.

Preferably, the bottom of the air inlet pipe is provided with a supporting plate, the top of the supporting plate is in contact with the air inlet pipe, and the bottom of the supporting plate is fixedly connected with a supporting rod.

Preferably, the bottom of the supporting rod is provided with a rubber pad, and the supporting rod is fixedly connected with the rubber pad.

Preferably, the supporting plate is U-shaped, and the diameter of the air inlet pipe is smaller than the width of the supporting plate.

Preferably, the particle filter screen is provided with a fixing bolt, and the particle filter screen is fixed with the fixing plate through the fixing bolt in a threaded manner.

Preferably, the number of the particle filter screens is two, and the particle filter screens are symmetrically distributed at two ends of the filter pipe.

Preferably, the outer wall of the opening and closing door is provided with a handle, and the handle is fixedly connected with the opening and closing door.

Preferably, the connecting plate is provided with a connecting bolt, and the connecting plate is fixed with the opening and closing door through the connecting bolt in a threaded manner.

Preferably, one end of the top of the transparent placing box is fixedly connected with a second rotating shaft, and the transparent placing box is hinged with an opening and closing cover through the second rotating shaft.

Preferably, the bottom of the opening and closing cover is fixedly connected with an LED lamp, and the LED lamp is electrically connected with an external power supply.

Compared with the prior art, the invention has the beneficial effects that:

1. this industrial VOC on-line monitoring device can filter the dust granule in the flue gas of process through the granule filter screen, when the granule filter screen blockked up, can remove the filter tube and be connected between condenser, the butterfly valve, dismantles the granule filter screen of inside and gets off and wash and change, makes the inside of filter tube keep unobstructed, can not influence the device to VOC's normal monitoring.

2. This industrial VOC on-line monitoring device, through closing two butterfly valves at condenser and filter tube both ends, restart outside air pump and come to take residual VOC out in the filter tube through the blast pipe, prevent that maintenance personal from when the maintenance, ingesting harm healthy VOC, guaranteed that maintenance personal's is healthy and life safety.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is an enlarged view of portion A of the present invention;

FIG. 3 is a schematic view of the structure of a filtration tube according to the present invention;

FIG. 4 is a schematic structural view of a support rod according to the present invention;

FIG. 5 is a schematic structural view of the transparent storage case of the present invention.

In the figure: 1. a housing; 11. an air inlet pipe; 2. a support bar; 21. a support plate; 22. a rubber pad; 3. a butterfly valve; 4. a filter tube; 41. a fixing plate; 42. a particle filter screen; 421. fixing the bolt; 43. an exhaust pipe; 5. a condenser; 6. opening and closing the door; 61. a first rotating shaft; 62. a handle; 7. a transparent placing box; 71. a connecting plate; 72. a connecting bolt; 73. a second rotating shaft; 74. opening and closing the cover; 741. led lamps.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: an industrial VOC on-line monitoring device comprises a shell 1, butterfly valves 3 and filter pipes 4, wherein the outer wall of the shell 1 is fixedly connected with an air inlet pipe 11, the number of the butterfly valves 3 is two, one butterfly valve 3 is positioned between the air inlet pipe 11 and a condenser 5 and is hermetically connected with the air inlet pipe 11 and the condenser 5, the inner wall of each filter pipe 4 is fixedly connected with a fixing plate 41, the inner wall of each filter pipe 4 is connected with a particle filter screen 42 in a clamping manner, the particle filter screens 42 are detachably connected with the fixing plates 41, the outer wall of each filter pipe 4 is fixedly connected with an exhaust pipe 43, the exhaust pipes 43 are connected with an external air pump, the condenser 5 is positioned between one butterfly valve 3 and each filter pipe 4, the condenser 5 is hermetically connected with the filter pipes 4 and one butterfly valve 3, the other butterfly valve 3 is positioned at one end of each filter pipe 4 far away from the shell, the outer wall of the opening and closing door 6 is provided with a transparent placing box 7, two sides of the transparent placing box 7 are fixedly connected with connecting plates 71, and the connecting plates 71 are detachably connected with the opening and closing door 6.

In this embodiment: the outer wall of the shell 1 is fixedly connected with an air inlet pipe 11, VOC can enter the shell 1 through the air inlet pipe 11 and is detected by a VOC detection device, the number of the butterfly valves 3 is two, one butterfly valve 3 is positioned between the air inlet pipe 11 and the condenser 5 and is hermetically connected with the air inlet pipe 11 and the condenser 5, the inner wall of the filter pipe 4 is fixedly connected with a fixing plate 41, the inner wall of the filter pipe 4 is connected with a particle filter screen 42 in a clamping manner, the particle filter screen 42 is detachably connected with the fixing plate 41, the outer wall of the filter pipe 4 is fixedly connected with an exhaust pipe 43, the exhaust pipe 43 is connected with an external air pump, the condenser 5 is positioned between one butterfly valve 3 and the filter pipe 4, the condenser 5 is hermetically connected with the filter pipe 4 and one butterfly valve 3, the other butterfly valve 3 is positioned at one end of the filter pipe 4 far, the dust particles in the passing flue gas can be filtered through the particle filter screen 42, when the particle filter screen 42 is blocked, the condenser 5 and the two butterfly valves 3 at the two ends of the filter pipe 4 can be closed, so as to prevent the external VOC from entering the filter pipe 4, the external air pump is started again to pump out the residual VOC in the filter pipe 4 through the exhaust pipe 43, so as to prevent maintenance personnel from taking in the VOC harmful to the health during maintenance, thereby ensuring the health and life safety of the maintenance personnel, then the connection between the filter pipe 4 and the condenser 5 and the butterfly valves 3 is released, the particle filter screen 42 in the filter pipe is disassembled to be cleaned and replaced, so that the interior of the filter pipe 4 is kept smooth, the normal monitoring of the VOC by the device is not influenced, the shell 1 is hinged with the opening and closing door 6 through the first rotating shaft 61, the outer wall of the opening and closing door 6 is provided with the transparent placing box 7, and the connecting plates 71 are fixedly connected, connecting plate 71 can be dismantled with door 6 and be connected, and the personnel of patrolling and examining can make the report that the device monitored and put into the transparent box 7 of placing inside to this observation record and the contrast of being convenient for people, discovery circumstances that can be timely, thus make corresponding correspondence, this device is the same with the patent that application number is (201820402859.9) to VOC's detection principle.

In fig. 1 and 4: the bottom of the air inlet pipe 11 is provided with a supporting plate 21, the top of the supporting plate 21 is in contact with the air inlet pipe 11, the bottom of the supporting plate 21 is fixedly connected with a supporting rod 2, the bottom of the supporting rod 2 is provided with a rubber pad 22, the supporting rod 2 is fixedly connected with the rubber pad 22, the supporting plate 21 is U-shaped, and the diameter of the air inlet pipe 11 is smaller than the width of the supporting plate 21; can come to play the effect of a support to intake pipe 11 through layer board 21, come to play the effect of a support to layer board 21 through bracing piece 2, thereby prevent that intake pipe 11 from taking place to buckle because of the overlength, people can set up bracing piece 2 and layer board 21 of different quantity according to intake pipe 11's length, the rubber pad 22 of bracing piece 2 bottom can avoid bracing piece 2 directly to take place the contact with ground, can play the effect of a protection to bracing piece 2.

In fig. 2 and 3: the particle filter screens 42 are provided with fixing bolts 421, the particle filter screens 42 are fixed with the fixing plate 41 through the fixing bolts 421 in a threaded manner, and the number of the particle filter screens 42 is two and is symmetrically distributed at two ends of the filter pipe 4; put into the inside of filter tube 4 with granule filter screen 42 when installing granule filter screen 42, then run through granule filter screen 42 screw in fixing plate 41 with fixing bolt 421 to this comes to extrude granule filter screen 42 fixed, can carry out double filtration to VOC through two granule filter screens 42, avoids the dust granule to enter into the inside of device.

In fig. 1 and 5: the outer wall of the opening and closing door 6 is provided with a handle 62, the handle 62 is fixedly connected with the opening and closing door 6, a connecting bolt 72 is arranged on a connecting plate 71, the connecting plate 71 is fixed with the opening and closing door 6 through the connecting bolt 72 in a threaded manner, one end of the top of the transparent placing box 7 is fixedly connected with a second rotating shaft 73, the transparent placing box 7 is hinged with an opening and closing cover 74 through the second rotating shaft 73, the bottom of the opening and closing cover 74 is fixedly connected with a led lamp 741, and the led lamp 741 is electrically connected with an external power supply; open the door 6 that opens and shuts that can be quick through handle 62 people, when placing box 7 to the transparency and installing, run through connecting plate 71 screw in to advance to open and shut in door 6 connecting bolt 72 to this compresses tightly fixedly connecting plate 71, makes things convenient for people to place box 7 to the transparency and installs and dismantle, can let people be convenient for look over the record table of placing in the box 7 to the transparency in the time of dark through led lamp 741 in addition.

The working principle and the using process of the invention are as follows: when the device is used, dust particles in passing smoke can be filtered through the particle filter screen 42, when the particle filter screen 42 is blocked, the condenser 5 and the two butterfly valves 3 at the two ends of the filter pipe 4 can be closed, so that external VOC is prevented from entering the filter pipe 4, an external air pump is started to pump out residual VOC in the filter pipe 4 through the exhaust pipe 43, so that maintenance personnel is prevented from ingesting VOC which is harmful to body health during maintenance, the body health and life safety of the maintenance personnel are ensured, then the connection between the filter pipe 4 and the condenser 5 and the butterfly valves 3 is released, the particle filter screen 42 in the filter pipe is disassembled to be cleaned and replaced, the inside of the filter pipe 4 is kept smooth, the normal monitoring of the VOC by the device can not be influenced, and an inspection personnel can make a report monitored by the device into a table to be placed in the transparent placing box 7, therefore, people can conveniently observe, record and compare, and can timely find the situation so as to make corresponding response.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.