Volatile organic waste gas treatment device

Abstract

The utility model relates to the technical field of waste gas treatment devices, and discloses a volatile organic waste gas treatment device which comprises a device box, a tail gas detector, a return pipe, a treatment box and an exhaust duct, the servo motor is controlled by the PLC, so that the second screw drives the second gate, the second gate and the second open slot can be closed, the exhaust duct and the air outlet duct are blocked and isolated, and meanwhile, the tensioning wheel at the bottom end of the second screw and the other two groups of tensioning wheels synchronously rotate under the matching of the synchronous belt, so that the tensioning effect is improved. Two groups of second bevel gears drive two groups of first bevel gears, so that two groups of first screws can drive a first gate, the bottom end of a return pipe is communicated with an exhaust air duct, treated gas can be blocked in time, meanwhile, the treated gas can be re-guided into a treatment box for secondary treatment, emission of gas which does not reach the standard is reduced, and the service life of the gas is prolonged. The pollution to the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment device technical field, concretely is a kind of volatile organic waste gas treatment device. BACKGROUND

[0002] Volatile organic matter, a kind of organic matter in the form of steam at normal temperature exists in air, the definition of its by the United States Environmental Protection Agency is except CO, CO2, H2CO3, metal carbide, metal carbonate and ammonium carbonate, any carbon-containing compound participating in atmospheric photochemical reaction, usually by waste gas treatment device to organic waste gas is handled.

[0003] Such as Chinese patent authorized announcement No.CN218221539U, "including box, support table being arranged at the bottom of box, rack being arranged at the bottom of support table and air inlet being arranged at the side surface of box, the particle cleaning assembly is arranged on the upper side of box, terminal processing assembly is arranged in the inside of box one side";

[0004] The above-mentioned comparative document can treat the particulate impurities in volatile organic waste gas, and can clean the odor and toxic substances in volatile organic waste gas, with high cleaning degree;

[0005] But the existing volatile organic waste gas treatment device when in use, after the treatment of tail gas by detection emission, find that the gate at exhaust air duct and outlet air duct cannot be closed quickly, leading to tail gas directly into the atmosphere, causing environmental pollution, and, the off-specification tail gas cannot be reimported into the treatment box secondary processing. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of volatile organic waste gas treatment device, the volatile organic waste gas treatment device can realize the off-specification tail gas import into treatment box secondary processing in time, to reduce the emission of off-specification gas, reduce the pollution caused to environment.

[0007] In order to achieve the above object, the utility model provides following technical scheme: a volatile organic waste gas treatment device, including device case, tail gas detector, reflux pipe, treatment box, exhaust air duct, the first gate is rotatably installed in the junction of the reflux pipe and the exhaust air duct, the first gate is fixedly installed with the connecting block on both sides, the first screw rod is symmetrically arranged on both sides of the first gate, the connecting block and the first screw rod on the same side are connected through the thread, the second gate is rotatably installed in the junction of the exhaust air duct and the air outlet duct, the servo motor is arranged on the side close to the air outlet duct on the top of the exhaust air duct, the second screw rod is fixedly connected to the output end of the servo motor, the first bevel gear is fixedly sleeved with the first screw rod on the side close to the link plate, the tension pulley is rotatably installed on both sides of the top of the exhaust air duct through the rotating shaft, the synchronous belt is arranged between the first gate and the second gate.

[0008] Preferably, the top side of the device case is connected with the air inlet duct, one side of the device case is connected with the air outlet duct, the tail gas detector is fixedly installed on the top of the air outlet duct, and the tail gas detector is used for detecting the gas at the opening of the air outlet duct.

[0009] Preferably, the air inlet duct is communicated with the treatment box, the air outlet duct and the treatment box are communicated through the exhaust air duct, and the bottom end of the reflux pipe is communicated with the exhaust air duct.

[0010] Preferably, the first opening groove is formed in the side close to the bottom of the exhaust air duct, the first gate slides in the first opening groove, the mounting seat is fixedly installed on both sides of the top of the exhaust air duct, and the first screw rod rotates between the two mounting seats.

[0011] Preferably, the second opening groove is formed in the top of the end close to the air outlet duct of the exhaust air duct, the second gate slides in the second opening groove, and the link plate is fixedly installed on the top close to the second gate of the exhaust air duct.

[0012] Preferably, the guide groove is formed in the side of the link plate, and the lug on the side of the second gate slides in the inner wall of the guide groove.

[0013] Preferably, the servo motor is fixedly installed on the top of the link plate, and the second screw rod is fixedly sleeved with the tension pulley close to the bottom.

[0014] Preferably, the second bevel gear is fixedly sleeved on the rotating shaft on the top of the tension pulley, the outer edge of the first bevel gear is engaged with the outer edge of the second bevel gear on the same side, and the synchronous belt is fixedly sleeved on the outside of the three tension pulleys.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a tail gas detector is handled to the real -time detection of the exhaust air duct in the exhaust air, and when the discharged gas still does not reach the standard, through the PLC controller control servo motor, make the second screw rod drive second gate, make second gate can be closed with second opening slot, to make the exhaust air duct and the exhaust air before plugging, insulate, simultaneously, the synchronous rotation of the tension pulley of second screw rod bottom end and other two sets of tension pulleys under the synchronous belt cooperation, make two sets of second bevel gear drive two sets of first bevel gear, to make two sets of first screw rod can drive first gate, make the backflow pipe bottom end and exhaust air duct intercommunication, this can handle the gas in time and block, simultaneously, can be imported again in the processing box secondary processing, reduced the discharge of the gas that does not reach the standard, reduced the pollution to the environment, solved the problem that the tail gas after processing through the detection discharge, found that does not reach the standard, exhaust air duct and the exhaust air place gate can not close quickly, lead to the tail gas directly to the atmosphere, cause environmental pollution, and the tail gas that does not reach the standard can not be imported again in the processing box secondary processing. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the inside structure schematic diagram of the device box in the utility model;

[0019] Figure 3 It is the device box top section structure schematic diagram in the utility model;

[0020] Figure 4 It is Figure 3 The local amplification structure schematic diagram in A place in the utility model.

[0021] In the drawing: 1, device box;2, backflow pipe;3, processing box;4, exhaust air duct;5, servo motor;6, synchronous belt;11, air inlet duct;12, exhaust air duct;120, tail gas detector;20, first opening slot;21, first gate;22, mounting seat;23, first screw rod;24, connecting block;25, first bevel gear;40, second opening slot;41, second gate;42, link plate;420, guide groove;51, second screw rod;61, tension pulley;62, second bevel gear. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a volatile organic waste gas treatment device, including device box 1, tail gas detector 120, reflux pipe 2, treatment box 3, exhaust air duct 4, first sluice gate 21 is movably installed in the junction of reflux pipe 2 and exhaust air duct 4, the both sides of first sluice gate 21 are fixedly installed with connecting block 24, the both sides of first sluice gate 21 are provided with first screw rod 23 respectively, connecting block 24 and the first screw rod 23 of same side are connected through thread, second sluice gate 41 is movably installed in the junction of exhaust air duct 4 and air outlet duct 12,

[0024] Servo motor 5 is provided on the top of exhaust air duct 4 near one side of air outlet duct 12, second screw rod 51 is fixedly connected to the output end of servo motor 5, first bevel gear 25 is fixedly sleeved with one end of two groups of first screw rod 23 near link plate 42 respectively, two sides of the top of exhaust air duct 4 are rotatably installed with tension pulley 61, synchronous belt 6 is arranged between first sluice gate 21 and second sluice gate 41;

[0025] Through tail gas detector 120, the treated tail gas in air outlet duct 12 is detected in real time, when the discharged gas still does not reach the standard, through PLC controller control servo motor 5, make second screw rod 51 drive second sluice gate 41, make second sluice gate 41 can be closed with second opening groove 40, so that exhaust air duct 4 and air outlet duct 12 are blocked before, isolate, simultaneously, the synchronous rotation of the tension pulley 61 of the bottom end of second screw rod 51 and the other two groups of tension pulleys 61 under the cooperation of synchronous belt 6 makes two groups of second bevel gears 62 drive two groups of first bevel gears 25, so that two groups of first screw rod 23 can drive first sluice gate 21, make the bottom end of reflux pipe 2 and exhaust air duct 4 communicate, this can seal the gas treated in time, simultaneously, can be reimported in treatment box 3 secondary processing, reduce the discharge of nonstandard gas, reduce the pollution to the environment.

[0026] Wherein, one side of the top of device box 1 is connected with air inlet duct 11, one side of device box 1 is connected with air outlet duct 12, tail gas detector 120 is fixedly installed on the top of air outlet duct 12, tail gas detector 120 is used for detecting the gas at the opening of air outlet duct 12, air inlet duct 11 is communicated with treatment box 3, air outlet duct 12 and treatment box 3 are communicated through exhaust air duct 4, the bottom end of reflux pipe 2 and exhaust air duct 4 are communicated, treatment box 3 can treat the volatile organic waste gas imported in air inlet duct 11, after treatment, can be discharged from air outlet duct 12 through exhaust air duct 4.

[0027] The first opening slot 20 is arranged on one side of the bottom of the backflow pipe 2, the first gate 21 is slidably arranged in the first opening slot 20, the installation seat 22 is symmetrically arranged on the top of the exhaust air duct 4, the first screw rod 23 is rotatably arranged between the two installation seats 22, the second opening slot 40 is arranged on the top of one end of the exhaust air duct 4, the second gate 41 is slidably arranged in the second opening slot 40, the connection plate 42 is fixedly arranged on the top of the exhaust air duct 4, and the tail gas detector 120 arranged on the outlet air duct 12 detects that the discharged gas still does not reach the standard. The PLC controller controls the servo motor 5, so that the second screw rod 51 drives the second gate 41, the second gate 41 can be closed with the second opening slot 40, so that the exhaust air duct 4 is blocked and isolated from the outlet air duct 12.

[0028] The guide slot 420 is arranged on one side of the connection plate 42, the lug of the second gate 41 is slidably arranged in the inner wall of the guide slot 420, the servo motor 5 is fixedly arranged on the top of the connection plate 42, the second screw rod 51 is fixedly sleeved with the tension pulley 61 near the bottom, the second bevel gear 62 is fixedly sleeved on the top shaft of the tension pulley 61, the outer edge of the first bevel gear 25 is engaged with the outer edge of the second bevel gear 62 on the same side, the synchronous belt 6 is fixedly sleeved on the outer part of the three tension pulleys 61, and the tension pulleys 61 at the bottom of the second screw rod 51 and the other two tension pulleys 61 are synchronously rotated under the cooperation of the synchronous belt 6 when the outlet air duct 12 and the exhaust air duct 4 are timely closed. The two second bevel gears 62 drive the two first bevel gears 25, so that the two first screw rods 23 can drive the first gate 21, and the bottom end of the backflow pipe 2 is communicated with the exhaust air duct 4, so that the treated gas can be timely blocked.

[0029] Working principle: in use, the tail gas in the outlet air duct 12 is detected in real time by the tail gas detector 120;

[0030] When the discharged gas still does not reach the standard, the PLC controller controls the servo motor 5, so that the second screw rod 51 drives the second gate 41, the second gate 41 can be closed with the second opening slot 40, so that the exhaust air duct 4 is blocked and isolated from the outlet air duct 12;

[0031] At the same time, the tension pulleys 61 at the bottom of the second screw rod 51 and the other two tension pulleys 61 are synchronously rotated under the cooperation of the synchronous belt 6, so that the two second bevel gears 62 drive the two first bevel gears 25, so that the two first screw rods 23 can drive the first gate 21, and the bottom end of the backflow pipe 2 is communicated with the exhaust air duct 4, so that the treated gas can be timely blocked, and at the same time, the gas can be re-introduced into the treatment box 3 for secondary treatment, the discharge of the gas that does not reach the standard is reduced, and the pollution to the environment is reduced.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that the embodiments are not limiting and that changes can be made to these embodiments without departing from the principles of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A volatile organic waste gas treatment device, comprising a device box (1), a tail gas detector (120), a reflux pipe (2), a treatment box (3), an exhaust air duct (4), an exhaust air duct (12), characterized in that: The first gate (21) is movably installed at the connection between the return pipe (2) and the exhaust air duct (4), and two connecting blocks (24) are fixedly installed on the two sides of the first gate (21), respectively; the first gate (21) is symmetrically provided with a first screw rod (23) on the two sides, respectively; the connecting block (24) is connected with the first screw rod (23) on the same side through threads; the second gate (41) is movably installed at the connection between the exhaust air duct (4) and the air outlet duct (12); a servo motor (5) is arranged on the top of the exhaust air duct (4) near the air outlet duct (12); the output end of the servo motor (5) is fixedly connected with a second screw rod (51); the first taper gear (25) is fixedly sleeved on the first screw rod (23) near the joint plate (42); the tensioning wheel (61) is rotatably installed on the top of the exhaust air duct (4) on both sides; the synchronous belt (6) is arranged between the first gate (21) and the second gate (41).

2. The volatile organic waste gas treatment device according to claim 1, characterized in that: The air inlet duct (11) is connected to the top of the device box (1) on one side; the air outlet duct (12) is connected to the device box (1) on one side; the exhaust gas detector (120) is fixedly installed on the top of the air outlet duct (12); the exhaust gas detector (120) is used for detecting the gas at the opening of the air outlet duct (12).

3. A volatile organic waste gas treatment device according to claim 2, characterized in that: The air inlet duct (11) is connected with the treatment box (3); the air outlet duct (12) is connected with the treatment box (3) through the exhaust air duct (4); the bottom end of the return pipe (2) is connected with the exhaust air duct (4).

4. The volatile organic waste gas treatment device of claim 3, wherein: The first opening groove (20) is formed in the bottom of the exhaust air duct (4) near the return pipe (2); the first gate (21) slides in the first opening groove (20); the mounting seat (22) is fixedly installed on the top of the exhaust air duct (4) on both sides; the first screw rod (23) is rotatably arranged between the two mounting seats (22).

5. A volatile organic waste gas treatment device according to claim 4, characterized in that: The second opening groove (40) is formed in the top of the exhaust air duct (4) near the air outlet duct (12); the second gate (41) slides in the second opening groove (40); the joint plate (42) is fixedly installed on the top of the exhaust air duct (4) near the second gate (41).

6. A volatile organic waste gas treatment device according to claim 5, characterized in that: The guide groove (420) is formed in the side of the joint plate (42); the lug of the second gate (41) slides in the inner wall of the guide groove (420).

7. The volatile organic waste gas treatment device of claim 5, wherein: The servo motor (5) is fixedly installed on the top of the joint plate (42); the second screw rod (51) is fixedly sleeved with the tensioning wheel (61) near the bottom.

8. The volatile organic waste gas treatment device of claim 7, wherein: The second taper gear (62) is fixedly sleeved on the top shaft of the tensioning wheel (61); the outer edge of the first taper gear (25) is engaged with the outer edge of the second taper gear (62) on the same side; the synchronous belt (6) is fixedly sleeved outside the three tensioning wheels (61).

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