CN114354845B - VOCS waste gas collection and detection device - Google Patents
VOCS waste gas collection and detection device Download PDFInfo
- Publication number
- CN114354845B CN114354845B CN202111505137.9A CN202111505137A CN114354845B CN 114354845 B CN114354845 B CN 114354845B CN 202111505137 A CN202111505137 A CN 202111505137A CN 114354845 B CN114354845 B CN 114354845B
- Authority
- CN
- China
- Prior art keywords
- waste gas
- pipe
- gas
- vocs
- hollow shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a VOCS waste gas collecting and detecting device, and belongs to the technical field of waste gas treatment. A VOCS waste gas collecting and detecting device comprises a movable base and a washing tower, wherein the washing tower is arranged at the top of the movable base and is provided with a waste gas inlet for washing VOCs waste gas; the drying filter cylinder is arranged at the air outlet of the washing tower; the adsorption tower is arranged at the top of the movable base and is used for adsorbing VOCs waste gas; the detection unit is connected between the air outlet end of the drying filter cylinder and the air inlet end of the adsorption tower and is used for detecting VOCs waste gas; the negative pressure discharge unit is arranged at the air outlet end of the adsorption tower; the invention realizes the applicability aiming at the generation points of scattered or concentrated waste gas and is beneficial to improving the absorption efficiency of the activated carbon adsorption plate.
Description
Technical Field
The invention relates to the technical field of organic waste gas treatment, in particular to a VOCS waste gas collection and detection device and a using method thereof.
Background
VOCs are volatile organic compounds with boiling points of 50-260 ℃ and saturated vapor pressure of over 133.3Pa at room temperature, and have great harm to human health and ecological environment. The existing VOCs treatment technology comprises two major types of destruction and recycling, wherein the recycling technology is widely applied due to simple process, good economy and relative maturity, and the principle of the technology is that activated carbon is adopted to fully adsorb VOCs, after adsorption saturation, the VOCs adsorbed on the activated carbon are desorbed, and then condensation liquefaction is carried out to realize recycling.
In the prior art, a utility model with the patent application number of CN202020241983.9 discloses a VOCs waste gas treatment collecting box for paint spraying, which belongs to the technical field of waste gas treatment, and comprises a box body, wherein an air pump is installed above the box body, an air inlet pipe is arranged below the air pump, a first air cylinder is installed on one side of the air pump, a first telescopic rod is arranged below the first air cylinder, a second motor is installed below the first telescopic rod, a connecting rod is arranged below the second motor, a movable plate is installed outside the connecting rod, the connecting rod is connected with the movable plate through a fourth bearing, and a plurality of placing grooves are arranged near the outer side of the connecting rod; the utility model discloses a set up third bearing, first flabellum, movable plate, fourth bearing, second motor, first telescopic link, first cylinder, standing groove, second cylinder, second telescopic link and sealing washer for the device can adjust the size in movable plate below space as required, thereby has improved the regulating power of collecting box, still has the defect, and the VOCs waste gas dispersibility that sprays paint the production is stronger, and the absorptivity of intake pipe is bad, leads to waste gas collection performance bad.
In the prior art, a utility model with patent application number CN201920549950.8 discloses a collecting and distributing type VOCs organic waste gas treatment and collection device, which comprises a collection box, wherein an adsorption bin is welded on the inner wall of the collection box, a placing frame is welded inside the adsorption bin, a guide groove is formed on the surface of the placing frame, an active carbon adsorption plate is slidably connected inside the guide groove, an access port is formed on the surface of the collection box, the access port and the adsorption bin are correspondingly distributed, a sealing plate is inserted inside the access port, a handle is welded on the surface of the sealing plate, an adjusting screw is screwed on the surface of the collection box, a baffle is welded on the rod body of the adjusting screw, and a partition plate is welded on the inner wall of the collection box; the beneficial effects are that: the utility model provides a collection device is administered to distributed VOCs organic waste gas sets up the activated carbon adsorption board into dismantling the structure, increases adsorption efficiency, is convenient for change and loads ", still has the defect, and the positive absorption degree of consistency with the back of activated carbon adsorption board is poor, is unfavorable for guaranteeing activated carbon adsorption board's utilization efficiency.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when the dispersity of VOCs waste gas is strong, the absorption performance of an air inlet pipe is poor, the waste gas collection performance is poor, the absorption uniformity of the front surface and the back surface of an activated carbon adsorption plate is poor, and the utilization efficiency of the activated carbon adsorption plate is not guaranteed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a VOCS waste gas collecting and detecting device comprises a movable base and a movable base,
the washing tower is arranged at the top of the movable base and is provided with a waste gas inlet for washing VOCs waste gas;
the drying filter cylinder is arranged at the air outlet of the washing tower;
the adsorption tower is arranged at the top of the movable base and is used for adsorbing the VOCs waste gas;
the detection unit is connected between the air outlet end of the drying filter cylinder and the air inlet end of the adsorption tower and is used for detecting VOCs waste gas;
the negative pressure discharge unit is arranged at the air outlet end of the adsorption tower;
wherein the content of the first and second substances,
the inlet end of scrubbing tower is connected with main waste gas and advances the pipe, the one end that the scrubbing tower was kept away from to main waste gas advances the pipe is connected with the first dispersion mechanism of vertical direction, the dispersion punishment department of first dispersion mechanism is connected with advances the pipe with the inferior waste gas of pipe intercommunication, the dispersion punishment department of first dispersion mechanism still is connected with the second dispersion mechanism that the level set up, the dispersion punishment department of second dispersion mechanism is equipped with evenly distributed's waste gas collection branch pipe.
Preferably, the detection unit comprises a main gas pipe connected between the gas outlet end of the drying filter cartridge and the gas inlet end of the adsorption tower, a secondary gas guide pipe arranged at a branch opening of the main gas pipe, a gas storage tank connected to one end of the secondary gas guide pipe far away from the main gas pipe, a return pipe connected to the gas outlet end of the gas storage tank and communicated with the main gas pipe, and a gas detector arranged at the top of the gas storage tank and provided with a detection probe in an inner cavity of the gas storage tank.
Preferably, the adsorption tower comprises a tank body, a hollow shaft arranged at the central axis of the tank body, a transmission rod which is connected with the outer wall of the hollow shaft through a bracket in a rotating manner and extends towards the inner cavity of the hollow shaft, a reciprocating mechanism which is connected with one end of the transmission rod arranged in the hollow shaft and is arranged in the inner cavity of the hollow shaft, an installation frame arranged at one end of the transmission rod arranged outside the hollow shaft, a fixing groove arranged at one side of the installation frame far away from the transmission rod, and an activated carbon adsorption plate embedded in the fixing groove.
Preferably, the reciprocating mechanism comprises an automatic telescopic cylinder arranged at the top end of the hollow shaft, telescopic rods symmetrically arranged at the output end of the automatic telescopic cylinder and arranged in the inner cavity of the hollow shaft, a thread seat arranged at the telescopic end of the telescopic rod, a rotating shaft rotatably connected to the central axis of the hollow shaft, a thread part arranged at the top end of the rotating shaft and in thread fit with the thread seat, a transmission bevel gear sleeved on the outer wall of the rotating shaft, and a driven bevel gear arranged at one end of the transmission rod arranged in the inner cavity of the hollow shaft and meshed with the transmission bevel gear.
Preferably, the negative pressure discharge unit comprises a negative pressure pump installed at the top of the tank body, and the negative pressure end of the negative pressure pump is connected with the air outlet of the tank body.
Preferably, first dispersion mechanism advances the mount pad of pipe handing-over department including installing main waste gas, slide and set up first screw seat and the second screw seat at the mount pad installation department, install at the mount pad installation department with first screw seat and second screw seat screw-thread fit's drive lead screw and install the scissors connecting rod group of vertical setting on first screw seat and second screw seat, the air inlet evenly distributed that the pipe was advanced to inferior waste gas is in the hinge point department of scissors connecting rod group.
Preferably, the waste gas collecting branch pipe comprises straight pipe collecting sections and hose mounting sections which are distributed in a staggered mode, collecting ports which are distributed uniformly are formed in the straight pipe collecting sections, and the straight pipe collecting sections are arranged in a V-shaped mode.
Preferably, the second dispersion mechanism comprises a horizontally arranged sliding rod arranged at the middle hinged point of the scissor type connecting rod group, sliding blocks connected to the sliding rod in a sliding mode, mounting grooves formed in the sliding blocks and matched with the hose mounting sections, springs connected between the adjacent sliding blocks and sleeved on the outer walls of the sliding rods, a driving winding and unwinding wheel arranged on the outer wall of the sliding block located in the middle, and connecting ropes arranged between the driving winding and unwinding wheel and the sliding blocks at the end portions.
Preferably, the top of the movable base is further connected with a universal adjusting arm, and an adjusting section of the universal adjusting arm is fixedly connected with the mounting seat.
A using method of a VOCS waste gas collecting and detecting device comprises the following steps:
s1: when the device is used, the device is moved to a waste gas generating point through the movable base, the angle of the collecting point is adjusted through the universal adjusting arm, the applicability of multi-angle collection is further realized, and meanwhile, the negative pressure pump is started, and the waste gas absorption function of the main waste gas inlet pipe is realized;
s2: when the waste gas generating point dispersion range is small, the adjusting and driving screw rod drives the first screw seat and the second screw seat to be away from each other, at the moment, the shear type connecting rod group draws the adjacent slide rods on the second dispersion mechanism to be close to each other, the gathering function in the vertical direction is realized, the driving winding and unwinding reel is started to wind, the slide blocks are close to each other along with the gradual winding of the connecting rope on the driving winding and unwinding reel, the spring is gradually drawn, the gathering function in the horizontal direction is further realized, at the moment, the included angle between adjacent straight pipe collecting sections on the waste gas collecting branch pipe is reduced, the distribution of collecting ports is concentrated, the stable collecting function of the waste gas in a small range is realized, when the waste gas generating point dispersion range is large, the adjusting and driving screw rod drives the first screw seat and the second screw seat to be close to each other, at the moment, the shear type connecting rod group extends to drive the adjacent slide rods on the second dispersion mechanism to be away from each other, the dispersing function in the vertical direction is realized, the unwinding is simultaneously, the effect that the connecting rope extends, the slide blocks are further, the effect of the collection function of collecting the adjacent straight pipe sections is increased, and the collection functions in the collection of the collection ports are gradually increased, so that the waste gas collecting ports are stably distributed in a large range is realized;
s3: the collected waste gas enters the main waste gas inlet pipe through the secondary waste gas inlet pipe and then enters the washing tower for washing, so that the absorption function is realized, and meanwhile, the temperature can be well reduced;
s4: the cooled waste gas enters the gas storage box through the main gas guide pipe and along the secondary gas guide pipe, the waste gas entering the gas storage box is detected through the gas detector, the analysis of the components of the waste gas is facilitated, and then the waste gas enters the main gas guide pipe through the return pipe and flows towards the inner cavity of the adsorption tower;
s5: open the reciprocal flexible of automatic telescopic cylinder realization telescopic link, at the reciprocal flexible in-process of telescopic link, drive the screw thread seat along the reciprocal lift of screw thread portion of axis of rotation, and make the axis of rotation realize reciprocating rotation's function, and then drive transmission bevel gear reciprocating rotation, then realize the reciprocating rotation of transfer line through the driven bevel gear rather than the meshing, and then drive the reciprocal swing of the active carbon adsorption board of installation on the installing frame, realize the homogeneous utilization of active carbon adsorption board positive and negative, help improving the detention time of waste gas at the internal of jar simultaneously, improve the adsorption effect.
Compared with the prior art, the invention provides a VOCS waste gas collecting and detecting device, which has the following beneficial effects:
1. the VOCS waste gas collecting and detecting device has the applicability of multi-angle collection of painless positions through the movable base and the universal adjusting arm.
2. This detection device is collected to VOCS waste gas through first dispersion mechanism and second dispersion mechanism, realizes producing the suitability of point to dispersion or concentrated waste gas, has solved prior art in the VOCs waste gas dispersibility stronger, and the absorptivity of intake pipe is bad, leads to waste gas to collect the problem that the performance is bad.
3. This detection device is collected to VOCS waste gas has realized the preliminary treatment and the cooling function of waste gas through the scrubbing tower.
4. This detection device is collected to VOCS waste gas has realized the composition detection function of waste gas through drying cylinder and detecting element.
5. This detection device is collected to VOCS waste gas through setting up at the internal reciprocating swing's of jar active carbon adsorption board, realizes the homogeneous utilization of active carbon adsorption board positive and negative, helps improving the detention time of waste gas at the internal of jar simultaneously, improves adsorption effect, has solved among the prior art active carbon adsorption board and has openly poor with the absorption degree of consistency at the back, is unfavorable for guaranteeing the problem of active carbon adsorption board's utilization efficiency.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a second schematic structural diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
FIG. 4 is a fourth schematic view of the present invention.
Fig. 5 is a schematic structural diagram of a first dispersion mechanism and a second dispersion mechanism according to the present invention.
Fig. 6 is a second schematic structural diagram of the first dispersing mechanism and the second dispersing mechanism of the present invention.
Fig. 7 is an enlarged structural view of a portion a of fig. 6 according to the present invention.
Fig. 8 is a third schematic structural diagram of the first dispersion mechanism and the second dispersion mechanism of the present invention.
Fig. 9 is an enlarged structural view of a portion B of fig. 8 according to the present invention.
Fig. 10 is a schematic view of the internal structure of the can body of the present invention.
Fig. 11 is an enlarged structural view of the portion C in fig. 10 according to the present invention.
In the figure: 10. a movable base; 20. a washing tower; 210. a main exhaust gas inlet pipe; 220. a first dispersion mechanism; 221. a mounting seat; 222. a first nut block; 223. a second nut seat; 224. driving the screw rod; 225. a scissor linkage; 230. a secondary exhaust gas inlet pipe; 240. a second dispersion mechanism; 241. a slide bar; 242. a slider; 243. a spring; 244. driving the winding and unwinding wheel; 245. connecting ropes; 250. an exhaust gas collection branch pipe; 251. a straight pipe collection section; 252. a hose mounting section; 260. a universal adjusting arm; 30. drying the filter cartridge; 40. an adsorption tower; 410. a tank body; 420. a hollow shaft; 430. a support; 440. a transmission rod; 450. a reciprocating mechanism; 451. an automatic telescopic cylinder; 452. a telescopic rod; 453. a threaded seat; 454. a rotating shaft; 455. a threaded portion; 456. a drive bevel gear; 457. a driven bevel gear; 460. installing a frame; 470. an activated carbon adsorption plate; 50. a detection unit; 510. leading the air pipe; 520. a secondary airway; 530. a gas storage tank; 540. a return pipe; 550. a gas detector; 60. a negative pressure pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1:
referring to fig. 1-6, a VOCS exhaust collection and detection device includes a movable base 10, further including,
a washing tower 20, wherein the washing tower 20 is installed on the top of the movable base 10 and is provided with an exhaust gas inlet for washing VOCs exhaust gas;
a dry cartridge filter 30 installed at an air outlet of the washing tower 20;
an adsorption tower 40 installed on the top of the movable susceptor 10 for adsorbing the VOCs off-gas;
a detection unit 50 connected between the outlet end of the drying filter cartridge 30 and the inlet end of the adsorption tower 40 for detecting the VOCs exhaust gas;
a negative pressure discharge unit installed at an air outlet end of the adsorption tower 40;
wherein the content of the first and second substances,
the air inlet end of the scrubber 20 is connected with a main waste gas inlet pipe 210, one end of the main waste gas inlet pipe 210 far away from the scrubber 20 is connected with a first dispersing mechanism 220 in the vertical direction, the dispersing point of the first dispersing mechanism 220 is connected with a secondary waste gas inlet pipe 230 communicated with the main waste gas inlet pipe 210, the dispersing point of the first dispersing mechanism 220 is further connected with a second dispersing mechanism 240 arranged horizontally, and the dispersing point of the second dispersing mechanism 240 is provided with waste gas collecting branch pipes 250 distributed uniformly.
Referring to fig. 1 to 4, the detecting unit 50 includes a main gas pipe 510 connected between the gas outlet end of the drying filter cartridge 30 and the gas inlet end of the adsorption tower 40, a secondary gas pipe 520 installed at a branch opening of the main gas pipe 510, a gas storage tank 530 connected to one end of the secondary gas pipe 520 far from the main gas pipe 510, a return pipe 540 connected to the gas outlet end of the gas storage tank 530 and communicated with the main gas pipe 510, and a gas detector 550 installed at the top of the gas storage tank 530 and having a detecting probe disposed in the inner cavity of the gas storage tank 530, and the detecting unit 50 achieves a component detecting function of the exhaust gas.
Referring to fig. 10 to 11, the adsorption tower 40 includes a tank 410, a hollow shaft 420 installed at a central axis of the tank 410, a driving rod 440 rotatably connected to an outer wall of the hollow shaft 420 through a bracket 430 and extending toward an inner cavity of the hollow shaft 420, a reciprocating mechanism 450 connected to an end of the driving rod 440 disposed in the hollow shaft 420 and installed in the inner cavity of the hollow shaft 420, an installation frame 460 installed at an end of the driving rod 440 disposed outside the hollow shaft 420, a fixing groove formed at a side of the installation frame 460 far from the driving rod 440, and an activated carbon adsorption plate 470 embedded in the fixing groove.
Referring to fig. 10 to 11, the reciprocating mechanism 450 includes an automatic telescopic cylinder 451 installed at the top end of the hollow shaft 420, a telescopic rod 452 symmetrically installed at the output end of the automatic telescopic cylinder 451 and disposed in the inner cavity of the hollow shaft 420, a threaded seat 453 installed at the telescopic end of the telescopic rod 452, a rotating shaft 454 rotatably connected to the central axis of the hollow shaft 420, a threaded portion 455 disposed at the top end of the rotating shaft 454 and in threaded engagement with the threaded seat 453, a transmission bevel gear 456 sleeved on the outer wall of the rotating shaft 454, and a driven bevel gear 457 installed at one end of the transmission rod 440 disposed in the inner cavity of the hollow shaft 420 and engaged with the transmission bevel gear 456, the automatic telescopic cylinder 451 is opened to achieve reciprocating extension and retraction of the telescopic rod 452, during reciprocating extension and retraction of the telescopic rod 452, the threaded seat 453 is driven to reciprocate along the threaded portion 455 of the rotating shaft 454, and the rotating shaft 454 is driven to achieve reciprocating rotation of the transmission bevel gear 456, and then the reciprocating rotation of the transmission rod 440 is achieved through the driven bevel gear 457 engaged therewith, and further the activated carbon adsorption plate 470 installed on the installation frame 460 is driven to oscillate back and forth, thereby achieving uniform utilization of the front and back of the activated carbon adsorption plate 470, and front surfaces of the tank 410, and back surfaces of the waste gas are improved, and back, and forth utilization of the waste gas is facilitated, and improved in the tank 410.
The negative pressure discharge unit comprises a negative pressure pump 60 installed at the top of the canister 410, and the negative pressure end of the negative pressure pump 60 is connected with the air outlet of the canister 410.
When the device is used, the device is moved to an exhaust gas generating point through the movable base 10, the angle of a collecting point is adjusted through the universal adjusting arm 260, the applicability of multi-angle collection is further realized, and meanwhile, the negative pressure pump 60 is started, and the exhaust gas absorption function of the main exhaust gas inlet pipe 210 is realized; the collected waste gas enters the main waste gas inlet pipe 210 through the secondary waste gas inlet pipe 230 and then enters the washing tower 20 for washing, so that the absorption function is realized, and meanwhile, the temperature can be well reduced; the cooled waste gas passes through the main gas pipe 510 and enters the gas storage tank 530 along the secondary gas pipe 520, the waste gas entering the gas storage tank 530 is detected by the gas detector 550, which is helpful for analyzing the components of the waste gas, and then the waste gas enters the main gas pipe 510 through the return pipe 540 and flows towards the inner cavity of the adsorption tower 40; open automatic telescopic cylinder 451 and realize the reciprocal flexible of telescopic link 452, at the reciprocal flexible in-process of telescopic link 452, drive screw thread seat 453 along the reciprocal lift of screw thread portion 455 of axis of rotation 454, and make axis of rotation 454 realize reciprocal pivoted function, and then drive transmission bevel gear 456 reciprocal rotation, then realize the reciprocal rotation of transfer line 440 through driven bevel gear 457 rather than the meshing, and then drive the active carbon adsorption plate 470 reciprocal swing of installation on the installing frame 460, realize the even utilization of active carbon adsorption plate 470 positive and negative, help improving the dwell time of waste gas in jar body 410 simultaneously, improve adsorption effect.
Example 2:
referring to fig. 5-8, a VOCS exhaust gas collecting and detecting apparatus is substantially the same as that of embodiment 1, and further, a first dispersing mechanism 220 includes a mounting seat 221 installed at a junction of a main exhaust gas inlet pipe 210 and a secondary exhaust gas inlet pipe 230, a first nut seat 222 and a second nut seat 223 slidably installed at the mounting portion of the mounting seat 221, a driving screw 224 installed at the mounting portion of the mounting seat 221 and threadedly engaged with the first nut seat 222 and the second nut seat 223, and a scissor type connecting rod assembly 225 vertically installed on the first nut seat 222 and the second nut seat 223, wherein air inlets of the secondary exhaust gas inlet pipe 230 are uniformly distributed at a hinge point of the scissor type connecting rod assembly 225.
Referring to fig. 5-8, the exhaust gas collecting branch pipe 250 includes straight pipe collecting sections 251 and hose installing sections 252 which are distributed in a staggered manner, the straight pipe collecting sections 251 are provided with uniformly distributed collecting ports, and adjacent straight pipe collecting sections 251 are arranged in a V shape.
Referring to fig. 5-8, the second dispersion mechanism 240 includes a horizontally disposed sliding bar 241 installed at the middle hinge point of the scissor linkage 225, evenly distributed sliding blocks 242 slidably connected to the sliding bar 241, a mounting groove opened on the sliding block 242 and engaged with the hose mounting section 252, a spring 243 connected between the adjacent sliding blocks 242 and sleeved on the outer wall of the sliding bar 241, a driving winding and unwinding wheel 244 installed on the outer wall of the sliding block 242 located at the middle, and a connection rope 245 installed between the driving winding and unwinding wheel 244 and the sliding blocks 242 at the ends.
Adjusting the first dispersion mechanism 220 and the second dispersion mechanism 240 according to the dispersion range of the exhaust gas at the exhaust gas generation point, when the dispersion range of the exhaust gas at the exhaust gas generation point is small, adjusting the driving screw 224 to drive the first screw seat 222 and the second screw seat 223 to be away from each other, at the moment, the scissor type connecting rod set 225 draws the sliding rods 241 on the adjacent second dispersion mechanism 240 to be close to each other, so as to realize the gathering function in the vertical direction, simultaneously, starting the driving winding and unwinding wheel 244 to wind, as the connecting rope 245 is gradually wound on the driving winding and unwinding wheel 244, the sliding blocks 242 are close to each other, the springs 243 are gradually drawn, so as to realize the gathering function in the horizontal direction, at the moment, the included angle between the adjacent straight pipe collecting sections 251 on the exhaust gas collecting branch pipe 250 is reduced, the collecting ports are distributed densely, so as to realize the stable collecting function of the exhaust gas in a small range, when the dispersion range of the exhaust gas generation point is large, adjusting the driving screw 224 to drive the first screw seat 222 and the second screw seat 223 to be close to each other, at the scissor type connecting rod set 225 is extended, so as to drive the sliding rods 243 to be away from the sliding rods 250, so as to realize the stable collecting function, at the collecting of the sliding blocks 242, at the collecting ports on the sliding rods are gradually increased, and the collecting branch pipe 250, at the vertical direction, at the upper and the lower collecting function, so as to realize the effect of the collecting function of the collecting branch pipe 242, and the collecting branch pipe.
Example 3:
referring to fig. 5, a VOCS exhaust gas collection and detection apparatus is substantially the same as embodiment 2, and further, a universal adjusting arm 260 is further connected to the top of the movable base 10, an adjusting section of the universal adjusting arm 260 is fixedly connected with the mounting seat 221, the apparatus is moved to an exhaust gas generating point through the movable base 10 during use, the angle of the collecting point is adjusted through the universal adjusting arm 260, so that the applicability of multi-angle collection is further realized, and meanwhile, the negative pressure pump 60 is started, so that the absorption function of the main exhaust gas inlet pipe 210 on the exhaust gas is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A VOCS waste gas collection and detection device comprises a movable base (10) and is characterized by also comprising,
the washing tower (20), the washing tower (20) is installed on the top of the movable base (10), and is provided with an exhaust gas inlet for washing VOCs exhaust gas;
a drying filter cartridge (30) installed at an air outlet of the washing tower (20);
an adsorption tower (40) installed on the top of the movable susceptor (10) for adsorbing the waste gas of VOCs;
the detection unit (50) is connected between the air outlet end of the drying filter cylinder (30) and the air inlet end of the adsorption tower (40) and is used for detecting VOCs waste gas;
the negative pressure discharge unit is arranged at the air outlet end of the adsorption tower (40);
wherein the content of the first and second substances,
the gas inlet end of the washing tower (20) is connected with a main waste gas inlet pipe (210), one end, far away from the washing tower (20), of the main waste gas inlet pipe (210) is connected with a first dispersion mechanism (220) in the vertical direction, a secondary waste gas inlet pipe (230) communicated with the main waste gas inlet pipe (210) is connected to the dispersion point of the first dispersion mechanism (220), a second dispersion mechanism (240) which is horizontally arranged is further connected to the dispersion point of the first dispersion mechanism (220), and waste gas collecting branch pipes (250) which are uniformly distributed are arranged at the dispersion point of the second dispersion mechanism (240);
the first dispersion mechanism (220) comprises a mounting seat (221) arranged at the joint of a main exhaust gas inlet pipe (210) and a secondary exhaust gas inlet pipe (230), a first nut seat (222) and a second nut seat (223) which are arranged on the mounting seat (221) in a sliding manner, a driving screw rod (224) which is arranged on the mounting seat (221) and is in threaded fit with the first nut seat (222) and the second nut seat (223), and a scissor type connecting rod set (225) which is vertically arranged on the first nut seat (222) and the second nut seat (223), wherein air inlets of the secondary exhaust gas inlet pipe (230) are uniformly distributed at the hinging points of the scissor type connecting rod set (225);
the waste gas collecting branch pipe (250) comprises straight pipe collecting sections (251) and hose mounting sections (252) which are distributed in a staggered mode, the straight pipe collecting sections (251) are provided with uniformly distributed collecting ports, and the adjacent straight pipe collecting sections (251) are arranged in a V shape;
the second dispersion mechanism (240) comprises sliding rods (241) which are horizontally arranged at the middle hinged point of the scissor type connecting rod set (225), sliding blocks (242) which are connected to the sliding rods (241) in a sliding mode and are evenly distributed, mounting grooves which are formed in the sliding blocks (242) and matched with the hose mounting sections (252), springs (243) which are connected between the adjacent sliding blocks (242) and sleeved on the outer walls of the sliding rods (241), driving winding and unwinding wheels (244) which are mounted on the outer walls of the sliding blocks (242) located in the middle, and connecting ropes (245) which are mounted between the driving winding and unwinding wheels (244) and the sliding blocks (242) at the end portions.
2. A VOCS exhaust gas collection and detection device according to claim 1, wherein the detection unit (50) comprises a main gas pipe (510) connected between the outlet end of the drying filter cartridge (30) and the inlet end of the adsorption tower (40), a secondary gas pipe (520) installed at the branch port of the main gas pipe (510), a gas storage tank (530) connected to the end of the secondary gas pipe (520) far away from the main gas pipe (510), a return pipe (540) connected to the outlet end of the gas storage tank (530) and communicated with the main gas pipe (510), and a gas detector (550) installed at the top of the gas storage tank (530) and having a detection probe placed in the inner cavity of the gas storage tank (530).
3. A VOCS exhaust gas collection and detection device according to claim 1, wherein the adsorption tower (40) comprises a tank body (410), a hollow shaft (420) installed at the central axis of the tank body (410), a transmission rod (440) rotatably connected to the outer wall of the hollow shaft (420) through a bracket (430) and extending towards the inner cavity of the hollow shaft (420), a reciprocating mechanism (450) connected to one end of the transmission rod (440) placed in the hollow shaft (420) and installed in the inner cavity of the hollow shaft (420), an installation frame (460) installed at one end of the transmission rod (440) placed outside the hollow shaft (420), a fixing groove opened at one side of the installation frame (460) far away from the transmission rod (440), and an activated carbon adsorption plate (470) embedded in the fixing groove.
4. A VOCS exhaust gas collection and detection device according to claim 3, wherein the reciprocating mechanism (450) comprises an automatic telescopic cylinder (451) installed at the top end of the hollow shaft (420), a telescopic rod (452) symmetrically installed at the output end of the automatic telescopic cylinder (451) and placed in the inner cavity of the hollow shaft (420), a threaded seat (453) installed at the telescopic end of the telescopic rod (452), a rotating shaft (454) rotatably connected to the central axis of the hollow shaft (420), a threaded portion (455) arranged at the top end of the rotating shaft (454) and in threaded fit with the threaded seat (453), a transmission bevel gear (456) sleeved on the outer wall of the rotating shaft (454), and a driven bevel gear (457) installed at one end of the transmission rod (440) placed in the inner cavity of the hollow shaft (420) and meshed with the transmission bevel gear (456).
5. A VOCS exhaust collection and detection device according to claim 4, wherein the negative pressure discharge unit comprises a negative pressure pump (60) mounted on the top of the tank (410), and the negative pressure end of the negative pressure pump (60) is connected with the air outlet of the tank (410).
6. A VOCS exhaust collection testing device as claimed in claim 1, wherein a universal adjusting arm (260) is further connected to the top of the movable base (10), and an adjusting section of the universal adjusting arm (260) is fixedly connected to the mounting base (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505137.9A CN114354845B (en) | 2021-12-10 | 2021-12-10 | VOCS waste gas collection and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505137.9A CN114354845B (en) | 2021-12-10 | 2021-12-10 | VOCS waste gas collection and detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114354845A CN114354845A (en) | 2022-04-15 |
| CN114354845B true CN114354845B (en) | 2023-03-24 |
Family
ID=81098654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111505137.9A Active CN114354845B (en) | 2021-12-10 | 2021-12-10 | VOCS waste gas collection and detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114354845B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116747666B (en) * | 2023-08-22 | 2023-11-14 | 天津普瑞特净化技术有限公司 | Activated carbon adsorption and desorption system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190096716A (en) * | 2018-02-09 | 2019-08-20 | (주) 세츠 | Apparatus for processing gas containing volatile organic compounds |
| CN109821388B (en) * | 2019-03-22 | 2023-04-25 | 中科京投环境科技江苏有限公司 | Waste gas purifying device for treating atmospheric pollution |
| CN212039689U (en) * | 2020-02-27 | 2020-12-01 | 东莞市绿草地环保科技有限公司 | Be used for VOCS exhaust-gas treatment equipment |
| CN212663112U (en) * | 2020-06-12 | 2021-03-09 | 昆山皖源环境技术有限公司 | Waste gas treatment device convenient to collect |
| CN112781930B (en) * | 2020-12-28 | 2021-10-08 | 四川蜀天信息技术有限公司 | Intelligent sampling device based on industrial internet and 5G |
| CN113786708A (en) * | 2021-08-31 | 2021-12-14 | 深圳市金华泰实验室科技发展有限公司 | Waste gas treatment device and process |
| CN217449621U (en) * | 2022-04-25 | 2022-09-20 | 江门市豪配模塑涂装有限公司 | Waste gas treatment device |
-
2021
- 2021-12-10 CN CN202111505137.9A patent/CN114354845B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114354845A (en) | 2022-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114354845B (en) | VOCS waste gas collection and detection device | |
| CN208358905U (en) | A kind of wall insulated board cutter device | |
| CN209358464U (en) | A kind of photovoltaic oil gas power supply unit | |
| CN209383677U (en) | A kind of fertilizer installation for fermenting | |
| CN208290718U (en) | A kind of paper printing equipment with air axis | |
| CN209380164U (en) | A kind of planet carrier assembly welding clamping device convenient for adjusting | |
| CN209034679U (en) | A kind of revolving vacuum coating equipment | |
| CN206414930U (en) | A kind of VOC organic waste gas treatment devices | |
| CN208628049U (en) | A kind of medical treatment beaker cleaning drying integral machine | |
| CN109352252A (en) | A kind of planet carrier assembly welding clamping device convenient for adjusting | |
| CN213680996U (en) | Chemical fiber silk processing is with winding collecting device | |
| CN210532557U (en) | Energy-saving dehumidifier | |
| CN208775828U (en) | A kind of automobile steering device pickup robot | |
| CN110959664A (en) | Meat product preservative spraying device | |
| CN206526653U (en) | A kind of compressed air drier | |
| CN209001415U (en) | A kind of ac metal closing switch gear | |
| CN220697205U (en) | Linkage type locking mechanism | |
| CN211303692U (en) | Drying equipment for hardware spraying processing | |
| CN220958711U (en) | Waterproof cover for air conditioner maintenance and cleaning | |
| CN211914418U (en) | Dipping, pulling and coating equipment | |
| CN112695840B (en) | Continuous circulation type air adsorption water taking device | |
| CN218049568U (en) | Laboratory fume chamber capable of storing reagents | |
| CN213256128U (en) | Porous glass plate absorption tube cleaning and drying device | |
| CN214552483U (en) | Automatic gas recovery valve | |
| CN215539423U (en) | Dust fall atomizer based on municipal works construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |