VOC tail gas collecting device

Abstract

The utility model discloses a VOC (volatile organic compound) tail gas collecting device, which relates to the technical field of tail gas treatment and comprises a collecting box, the right end of the collecting box is fixedly connected with a tail gas collecting port, four corners of the lower end of the collecting box are fixedly connected with supporting legs, the lower end of the collecting box is fixedly connected with a particle collecting box, and the particle collecting box is positioned among the four supporting legs. A collecting device is arranged at the right end of the interior of the collecting box, and four detecting devices are fixedly connected to the upper end of the collecting box. Tail gas enters the first material receiving box through the gas receiving pipe, then the detection box detects the tail gas in the first material receiving box, when methanol test paper in the test paper clamping plate changes color, the sensor sends a signal to the buzzer, the buzzer alarms and reminds a worker, the worker controls the first valve on the flow dividing pipe to be closed and the second valve on the flow dividing pipe to be opened, and the detection box detects the tail gas in the first material receiving box. And the first material collecting box stops collecting tail gas, the second material collecting box starts collecting, and the storage battery provides electricity for the sensor and the buzzer.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field, concretely relates to a VOC tail gas collecting device. BACKGROUND

[0002] VOC is the English abbreviation of volatile organic compound, and the ordinary VOC refers to volatile organic compound; but the definition of environmental protection refers to a kind of volatile organic compound, that is, a kind of volatile organic compound that can produce harm, when VOC in air reaches certain concentration, people will feel headache, nausea and so on in a short time, and serious will appear convulsion, and can harm liver, kidney, brain and nervous system of person, cause great damage to human body, in vehicle use, due to fuel quality not being high or combustion not being sufficient, VOC content in tail gas is increased, and the detection of VOC in tail gas is essential because VOC is harmful to human body.

[0003] Chinese patent document CN213193057U discloses a VOC tail gas collecting device, which comprises a tail gas absorption pump, a primary filter assembly, a secondary condensing assembly and a sample type tail gas collecting assembly, the tail gas absorption pump, the primary filter assembly and the secondary condensing assembly are connected in sequence, and the sample type tail gas collecting assembly is communicated on one side of the secondary condensing assembly; the tail gas absorption pump is provided with a gas collecting pipe and an exhaust pipe on both sides, the primary filter assembly comprises a primary filter cavity, a primary honeycomb filter layer and a secondary dust adsorption net.

[0004] The existing VOC tail gas collecting device has the following problems:

[0005] 1. The existing VOC tail gas collecting device contains many particulate impurities in tail gas, most of which are toxic, and the existing device collects tail gas and particles together, which can not be fully purified, so that the purified tail gas still contains toxic substances and pollutes the air.

[0006] 2. The existing VOC tail gas collecting device collects all tail gas in a collecting box, and cannot collect tail gas in multiple layers, so that when the VOC content in tail gas is too high, the collecting device will be damaged and leakage will occur, which will damage the health of workers. UTILITY MODEL CONTENT

[0007] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0008] A VOC tail gas collecting device, including a collecting box, the right end of the collecting box is fixedly connected with a tail gas collecting port, the lower end of the collecting box is fixedly connected with four supporting legs, the lower end of the collecting box is fixedly connected with a particle collecting box, the particle collecting box is located between the four supporting legs, the inside right end of the collecting box is provided with a collecting device, and the upper end of the collecting box is fixedly connected with four detection devices.

[0009] Preferably, the inside of the tail gas collecting port is fixedly connected with a support, the left end of the support is fixedly connected with a motor one, and the output end of the motor one is fixedly connected with a fan.

[0010] Preferably, the inside of the collecting box is fixedly connected with a filter plate, the front and back ends of the filter plate are fixedly connected with the inner wall of the collecting box, the left side of the filter plate is provided with a shunt device, the left end of the shunt device is fixedly connected with a first material collecting box, the rear end of the first material collecting box is fixedly connected with the inner wall of the collecting box, the front end of the first material collecting box is fixedly connected with a second material collecting box, the right end of the second material collecting box is fixedly connected with the left end of the shunt device, the front end of the second material collecting box is fixedly connected with a third material collecting box, the right end of the third material collecting box is fixedly connected with the left end of the shunt device, the front end of the third material collecting box is fixedly connected with a fourth material collecting box, the right end of the fourth material collecting box is fixedly connected with the left end of the shunt device, and the front end of the fourth material collecting box is fixedly connected with the inner wall of the collecting box.

[0011] Preferably, the left wall of the collecting box is provided with a limiting groove in the lower side.

[0012] Preferably, the inside of the limiting groove is fixedly connected with a fixed block on the front and back sides, the front end of the fixed block is fixedly connected with a motor two, the output end of the motor two is fixedly connected with a rotating rod, the surface of the rotating rod is movably connected with a moving block, and the left end of the moving block is fixedly connected with a scraper.

[0013] Preferably, the shunt device comprises a gas collecting pipe, and the left end of the gas collecting pipe is fixedly connected with a shunt pipe.

[0014] Preferably, the left end of the shunt pipe is fixedly connected with a valve one, the left end of the valve one is fixedly connected with the right end of the first material collecting box, the front of the valve one is provided with a valve two, the right end of the valve two is fixedly connected with the left end of the shunt pipe, the left end of the valve two is fixedly connected with the right end of the second material collecting box, the front of the valve two is provided with a valve three, the right end of the valve three is fixedly connected with the left end of the shunt pipe, the left end of the valve three is fixedly connected with the right end of the third material collecting box, the front end of the valve three is provided with a valve four, the right end of the valve four is fixedly connected with the left end of the shunt pipe, and the left end of the valve four is fixedly connected with the right end of the fourth material collecting box.

[0015] Preferably, the detection device comprises a detection box, the lower end of the detection box is fixedly connected with the upper end of the collecting box, the lower end of the detection box is fixedly connected with detection tubes, the lower ends of the detection tubes are respectively inserted into the inside of the collecting box, two test paper clamping plates are fixedly connected with the middle part of the inside bottom wall of the detection box, methanol test paper is movably connected between the test paper clamping plates, a buzzer is arranged on the right side of the test paper clamping plate, the lower end of the buzzer is fixedly connected with the bottom wall of the detection box, a storage battery is arranged on the left side of the test paper clamping plate, the lower end of the storage battery is fixedly connected with the bottom wall of the detection box, a sensor is arranged in front of the storage battery, and the lower end of the sensor is fixedly connected with the bottom wall of the detection box.

[0016] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0017] The VOC tail gas collecting device has the common action of the filter plate, the limiting groove, the fixing block, the second motor, the rotating rod, the moving block, the scraper and the particle collecting box, can filter the collected tail gas, filter out the particles in the tail gas, can collect the filtered particles, facilitates centralized treatment of the particles in the tail gas by workers, the tail gas enters the collecting box through the tail gas collecting port, is filtered by the filter plate, the filtered particles are left on the filter plate, the second motor on the fixing block is controlled to rotate, drives the rotating rod to rotate in the limiting groove, drives the moving block to slide in the limiting groove, drives the scraper to scrape back and forth on the filter plate, scrapes the particles on the filter plate into the particle collecting box, and the worker can conveniently perform centralized treatment.

[0018] The utility model provides a VOC tail gas collecting device, through the joint action of the gas collecting pipe, the shunt pipe, valve no. 1, valve no. 2, valve no. 3, valve no. 4, the first material receiving box, the second material receiving box, the third material receiving box, the fourth material receiving box, the detection box, the detection pipe, the methanol test paper, the test paper clamping plate, the battery, the sensor, the buzzer, can carry out real -time detection to the VOC concentration of collection to inside, when concentration reaches the limit, can close the current collection tank, opens the subsequent collection tank, realizes the multilayer collection of tail gas, effectively prevents the device explosion and tail gas leakage, and the tail gas enters the first material receiving box through the gas collecting pipe, and then the detection box detects the tail gas in the first material receiving box, when the methanol test paper in the test paper clamping plate changes color, the sensor gives the buzzer signal, makes the buzzer alarm, reminds the worker, and the worker controls valve no. 1 on the shunt pipe and closes, opens valve no. 2, makes the first material receiving box stop collecting tail gas, and the second material receiving box starts collecting, and the battery provides the electric quantity for the sensor and the buzzer, and similarly, when the tail gas in the second material receiving box reaches the limit, closes valve no. 2, opens valve no. 3, makes the tail gas enter the third material receiving box, when the tail gas in the third material receiving box reaches the limit, closes valve no. 3, opens valve no. 4, makes the tail gas enter the fourth material receiving box, realizes the multilayer collection of tail gas, makes the device more safe. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of VOC tail gas collecting device of the utility model.

[0020] Figure 2 It is the structure schematic diagram of the air suction device of the utility model.

[0021] Figure 3 It is the structure schematic diagram of the shunt device of the utility model.

[0022] Figure 4 It is the structure schematic diagram of the filter cleaning device of the utility model.

[0023] Figure 5 It is the structure schematic diagram of the detection device of the utility model.

[0024] In the figure: 1, collection box; 2, tail gas collection port; 3, support leg; 4, particle collection box; 5, collection device; 6, detection device; 11, filter plate; 12, shunt device; 13, first collection tank; 14, second collection tank; 15, third collection tank; 16, fourth collection tank; 122, gas collection pipe; 123, shunt pipe; 124, valve one; 125, valve two; 126, valve three; 127, valve four; 21, support; 22, motor one; 23, fan; 51, limiting groove; 52, fixed block; 53, motor two; 54, rotating rod; 55, moving block; 56, scraper; 61, detection box; 62, detection tube; 63, methanol test paper; 64, test paper clamping plate; 65, battery; 66, sensor; 67, buzzer. DETAILED DESCRIPTION

[0025] The technical means, creative features, purposes and effects achieved by the utility model are easy to understand, and the utility model will be further described below in combination with specific embodiments.

[0026] As shown in Figure 1 A VOC tail gas collection device, comprising a collection box 1, the right end of the collection box 1 is fixedly connected with a tail gas collection port 2, the lower end of the collection box 1 is fixedly connected with four support legs 3, the lower end of the collection box 1 is fixedly connected with a particle collection box 4, the particle collection box 4 is located between the four support legs 3, the inside right end of the collection box 1 is provided with a collection device 5, and the upper end of the collection box 1 is fixedly connected with four detection devices 6.

[0027] As shown in Figure 2 The inside of the tail gas collection port 2 is fixedly connected with a support 21, the left end of the support 21 is fixedly connected with a motor one 22, and the output end of the motor one 22 is fixedly connected with a fan 23.

[0028] In the embodiment, the motor one 22 on the support 21 is controlled to rotate, so that the fan 23 on the motor one 22 rotates, and the tail gas is collected from the tail gas collection port 2 into the collection box 1.

[0029] As shown in Figure 3As shown, the inside of the collecting box 1 is fixedly connected with a filter plate 11, the front and rear ends of the filter plate 11 are fixedly connected with the inner wall of the collecting box 1, the left side of the filter plate 11 is provided with a shunt device 12, the left end of the shunt device 12 is fixedly connected with a first material collecting box 13, the rear end of the first material collecting box 13 is fixedly connected with the inner wall of the collecting box 1, the front end of the first material collecting box 13 is fixedly connected with a second material collecting box 14, the right end of the second material collecting box 14 is fixedly connected with the left end of the shunt device 12, the front end of the second material collecting box 14 is fixedly connected with a third material collecting box 15, the right end of the third material collecting box 15 is fixedly connected with the left end of the shunt device 12, the front end of the third material collecting box 15 is fixedly connected with a fourth material collecting box 16, the right end of the fourth material collecting box 16 is fixedly connected with the left end of the shunt device 12, and the front end of the fourth material collecting box 16 is fixedly connected with the inner wall of the collecting box 1. The shunt device 12 comprises a gas collecting pipe 122, the left end of the gas collecting pipe 122 is fixedly connected with a shunt pipe 123, the left end of the shunt pipe 123 is fixedly connected with a valve one 124, the left end of the valve one 124 is fixedly connected with the right end of the first material collecting box 13, the front of the valve one 124 is provided with a valve two 125, the right end of the valve two 125 is fixedly connected with the left end of the shunt pipe 123, the left end of the valve two 125 is fixedly connected with the right end of the second material collecting box 14, the front of the valve two 125 is provided with a valve three 126, the right end of the valve three 126 is fixedly connected with the left end of the shunt pipe 123, the left end of the valve three 126 is fixedly connected with the right end of the third material collecting box 15, the front end of the valve three 126 is provided with a valve four 127, the right end of the valve four 127 is fixedly connected with the left end of the shunt pipe 123, and the left end of the valve four 127 is fixedly connected with the right end of the fourth material collecting box 16.

[0030] In this embodiment, the worker controls the valve one 124 on the shunt pipe 123 to be closed, and the valve two 125 to be opened, so that the first material collecting box 13 stops collecting the tail gas, and the second material collecting box 14 starts collecting. Similarly, when the tail gas in the second material collecting box 14 reaches the limit, the valve two 125 is closed, and the valve three 126 is opened, so that the tail gas enters the third material collecting box 15. When the tail gas in the third material collecting box 15 reaches the limit, the valve three 126 is closed, and the valve four 127 is opened, so that the tail gas enters the fourth material collecting box 16.

[0031] As shown in the drawings, Figure 4 The left wall of the collecting box 1 is provided with a limiting groove 51, the inside of the limiting groove 51 is fixedly connected with a fixed block 52, the front end of the fixed block 52 is fixedly connected with a motor two 53, the output end of the motor two 53 is fixedly connected with a rotating rod 54, the surface of the rotating rod 54 is movably connected with a moving block 55, and the left end of the moving block 55 is fixedly connected with a scraper 56.

[0032] In the embodiment, the motor two 53 on the fixed block 52 is controlled to rotate, the rotating rod 54 is driven to rotate in the limiting groove 51, the moving block 55 is driven to slide in the limiting groove 51, and the scraper 56 is driven to scrape back and forth on the filter plate 11, so that the particles on the filter plate 11 are scraped into the particle collecting box 4, and workers can conveniently collect and process.

[0033] As shown in Figure 5 The detection device 6 comprises a detection box 61, the lower end of the detection box 61 is fixedly connected with the upper end of the collecting box 1, the lower end of the detection box 61 is fixedly connected with a detection tube 62, the lower end of the detection tube 62 is respectively inserted into the inside of the collecting box, the middle part of the inside bottom wall of the detection box 61 is fixedly connected with two test paper clamping plates 64, the methanol test paper 63 is movably connected between the test paper clamping plates 64, the right side of the test paper clamping plate 64 is provided with a buzzer 67, the lower end of the buzzer 67 is fixedly connected with the bottom wall of the detection box 61, the left side of the test paper clamping plate 64 is provided with a storage battery 65, the lower end of the storage battery 65 is fixedly connected with the bottom wall of the detection box 61, the front of the storage battery 65 is provided with a sensor 66, and the lower end of the sensor 66 is fixedly connected with the bottom wall of the detection box 61.

[0034] In the embodiment, the tail gas enters the first collecting box 13 through the gas collecting pipe 122, and then the detection box 61 detects the tail gas in the first collecting box 13. When the methanol test paper 63 in the test paper clamping plate 64 changes color, the sensor 66 sends a signal to the buzzer 67, the buzzer 67 alarms, and the worker controls the valve one 124 on the shunt pipe 123 to be closed and the valve two 125 to be opened, so that the first collecting box 13 stops collecting the tail gas, the second collecting box 14 starts collecting, and the storage battery 65 provides power for the sensor 66 and the buzzer 67.

[0035] The utility model discloses a working principle is: through the motor one 22 on control support 21 rotates, makes the fan 23 on motor one 22 rotate, and the exhaust gas is collected from exhaust gas collecting mouth 2 into collection box 1, then carries out the filtration to the exhaust gas through filter board 11, and the granular impurities of filtration are left on filter board 11, then through the motor two 53 on control fixed block 52 rotates, drives rotary rod 54 to rotate in the limiting slot 51, and then drives moving block 55 to slide in the limiting slot 51, drives scraper 56 to go back and forth on filter board 11 and scrapes, and the granular impurities on filter board 11 are scraped into granular collection box 4 inside, and the worker is convenient to carry out centralized processing, and the exhaust gas passes through the gas collecting pipe 122 and enters first material collecting box 13, and then detection box 61 detects the exhaust gas in first material collecting box 13, when methanol test paper 63 in test paper clamp plate 64 is discolored, sensor 66 gives buzzer 67 signal, makes buzzer 67 alarm, and reminds the worker, and the worker controls valve one 124 on shunt pipe 123 and closes, opens valve two 125, makes first material collecting box 13 stop collecting exhaust gas, and second material collecting box 14 starts collecting, and storage battery 65 provides electric quantity for sensor 66 and buzzer 67, and similarly, when the exhaust gas in second material collecting box 14 reaches the limit and passes through closing valve two 125, opens valve three 126, makes the exhaust gas enter third material collecting box 15, when the exhaust gas in third material collecting box 15 reaches the limit and passes through closing valve three 126, opens valve four 127, makes the exhaust gas enter fourth material collecting box 16.

[0036] The above has made the detailed description to the utility model in general, but can make some modification or improvement on the basis of the utility model, and this is obvious to the general technical personnel of technical field. Therefore, the modification or improvement of not departing from the utility model idea spirit, all are within the protection scope of the utility model.

Claims

1. A VOC off-gas collection device comprising a collection tank (1), characterized in that: The right end of the collecting box (1) is fixedly connected with a tail gas collecting port (2), the lower end of the collecting box (1) is fixedly connected with four supporting legs (3), the lower end of the collecting box (1) is fixedly connected with a particle collecting box (4), the particle collecting box (4) is located between the four supporting legs (3), the right end of the inside of the collecting box (1) is provided with a collecting device (5), and the upper end of the collecting box (1) is fixedly connected with four detection devices (6).

2. The VOC off-gas collection device of claim 1, wherein: The inside of the tail gas collecting port (2) is fixedly connected with a support (21), the left end of the support (21) is fixedly connected with a motor one (22), and the output end of the motor one (22) is fixedly connected with a fan (23).

3. The VOC off-gas collection device of claim 2, wherein: The inside of the collecting box (1) is fixedly connected with a filter plate (11), the front and rear ends of the filter plate (11) are fixedly connected with the inner wall of the collecting box (1), the left side of the filter plate (11) is provided with a shunt device (12), the left end of the shunt device (12) is fixedly connected with a first collecting box (13), the rear end of the first collecting box (13) is fixedly connected with the inner wall of the collecting box (1), the front end of the first collecting box (13) is fixedly connected with a second collecting box (14), the right end of the second collecting box (14) is fixedly connected with the left end of the shunt device (12), the front end of the second collecting box (14) is fixedly connected with a third collecting box (15), the right end of the third collecting box (15) is fixedly connected with the left end of the shunt device (12), the front end of the third collecting box (15) is fixedly connected with a fourth collecting box (16), the right end of the fourth collecting box (16) is fixedly connected with the left end of the shunt device (12), and the front end of the fourth collecting box (16) is fixedly connected with the inner wall of the collecting box (1).

4. The VOC off-gas collection device of claim 1, wherein: The left wall of the collecting box (1) is provided with a limiting groove (51) in the lower side.

5. The VOC off-gas collection device of claim 4, wherein: The inside of the limiting groove (51) is fixedly connected with a fixed block (52) on the front and rear sides, the front end of the fixed block (52) is fixedly connected with a motor two (53), the output end of the motor two (53) is fixedly connected with a rotating rod (54), the surface of the rotating rod (54) is movably connected with a moving block (55), and the left end of the moving block (55) is fixedly connected with a scraper (56).

6. The VOC off-gas collection device of claim 3, wherein: The shunt device (12) comprises a gas collecting pipe (122), and the left end of the gas collecting pipe (122) is fixedly connected with a shunt pipe (123).

7. The VOC off-gas collection device of claim 6, wherein: The left end of the shunt pipe (123) is fixedly connected with valve one (124), the left end of valve one (124) is fixedly connected with the right end of the first material collecting box (13), the front of valve one (124) is provided with valve two (125), the right end of valve two (125) is fixedly connected with the left end of the shunt pipe (123), the left end of valve two (125) is fixedly connected with the right end of the second material collecting box (14), the front of valve two (125) is provided with valve three (126), the right end of valve three (126) is fixedly connected with the left end of the shunt pipe (123), the left end of valve three (126) is fixedly connected with the right end of the third material collecting box (15), the front end of valve three (126) is provided with valve four (127), the right end of valve four (127) is fixedly connected with the left end of the shunt pipe (123), the left end of valve four (127) is fixedly connected with the right end of the fourth material collecting box (16).

8. The VOC off-gas collection device of claim 1, wherein: The detection device (6) includes a detection box (61), the lower end of the detection box (61) is fixedly connected with the upper end of the collecting box (1), the lower end of the detection box (61) is fixedly connected with a detection tube (62), the lower end of the detection tube (62) is respectively inserted into the material collecting box, two test paper clamping plates (64) are fixedly connected to the middle part of the inner bottom wall of the detection box (61), a methanol test paper (63) is movably connected between the test paper clamping plates (64), a buzzer (67) is arranged on the right side of the test paper clamping plate (64), the lower end of the buzzer (67) is fixedly connected with the bottom wall of the detection box (61), a storage battery (65) is arranged on the left side of the test paper clamping plate (64), the lower end of the storage battery (65) is fixedly connected with the bottom wall of the detection box (61), a sensor (66) is arranged in front of the storage battery (65), the lower end of the sensor (66) is fixedly connected with the bottom wall of the detection box (61).

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