Tail gas deodorization device for rosin processing

Abstract

The utility model discloses a tail gas deodorization device for rosin processing, which belongs to the field of rosin processing and comprises a water spraying tank, a liquid medicine atomizing device is arranged on one side of the water spraying tank, a waste gas inlet is arranged on one side of the water spraying tank, and a dust particle filtering device is arranged on one side of the waste gas inlet. The dust particle filtering device comprises a vent groove connected to the waste gas inlet end and a plurality of HEPA filter screens located in the vent groove. Compared with the prior art, the device has the advantages that the dust particle filtering device is additionally arranged in front of the waste gas inlet, dust and rosin in tail gas are filtered through the multiple layers of HEPA filter screens in the vent groove, the phenomenon that the impurities block the liquid medicine atomization device is avoided, the anti-blocking filter screen is installed above the water storage tank of the water spraying tank, and therefore the dust and rosin in the tail gas can be filtered out. And the impurities easy to block are filtered for the second time, so that smooth operation in the liquid medicine atomization device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rosin processing, and specifically refers to a tail gas deodorization device for rosin processing. BACKGROUND

[0002] Rosin is the oil resin exuded in some plants of Pinaceae Pinus, and the solid resin left after distillation or extraction of volatile oil, which can not only play the role of relieving pain and dispelling wind and dampness in medical treatment, but also be used as a flux when soldering; in the distillation process of rosin, some tail gas will be discharged from the distillation chamber, which includes rosin dust, hydrogen peroxide p-menthane, gasoline, oxalic acid and other gases, in order to prevent tail gas from polluting the atmosphere, the tail gas needs to be purified by using the corresponding tail gas deodorization device for rosin processing.

[0003] The existing tail gas deodorization device for rosin processing mainly filters harmful gas by spraying absorption method, which introduces tail gas from the waste gas inlet into the water spray tank, then humidifies the tail gas by the medicine water atomization device inside the water spray tank, neutralizes the acidic substances in the tail gas by spraying medicine water, and then discharges it into the atmosphere after harmless treatment.

[0004] Although this spraying method can effectively neutralize the acidic substances in the tail gas and make it harmless, the dust particles and turpentine gas contained in the tail gas will mix into the medicine water at the bottom of the water spray tank, and enter the inside of the medicine water atomization device with the use of the medicine water atomization device, after a long time of use, these impurities will block the pressurizing device and the spraying atomization device passage in the medicine water atomization device, thereby reducing its service life (turpentine also has viscosity, which can easily damage the internal structure of the medicine water atomization device). UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is that the existing tail gas deodorization device for rosin processing cannot effectively filter the dust and turpentine mixed into the medicine water, so that the medicine water atomization device is blocked by the sludge formed by the dust during long-term operation, thereby reducing its service life.

[0006] To solve the above technical problems, the utility model provides a technical scheme of a tail gas deodorization device for rosin processing, which comprises a water spray tank, a medicine water atomization device is arranged on one side of the water spray tank, a waste gas inlet is arranged on one side of the water spray tank, a dust particle filtering device is arranged on one side of the waste gas inlet, the dust particle filtering device comprises an air passage connected to the waste gas inlet end and a plurality of HEPA filter screens arranged inside the air passage, the HEPA filter screens pass through the inner wall of the air passage, and a blocking prevention filter screen is arranged below the waste gas inlet in the water spray tank.

[0007] As improvement, the bottom end of the water shower tank is provided with a medicine water outlet, the top end of the water shower tank is open, and the top open end of the water shower tank is provided with a sealing cover.

[0008] As improvement, the medicine water atomizing device comprises a pressurizing device on one side of the medicine water outlet and a spraying atomizing device penetrating through the sealing cover, and the pressurizing device is connected with the water inlet end of the spraying atomizing device through a pressurizing pipeline.

[0009] As improvement, a three-way pipe is arranged between the pressurizing device and the medicine water outlet, and the other open end of the three-way pipe is provided with a check valve.

[0010] As improvement, one side of the water shower tank is provided with a cleaning opening above the anti-blocking filter screen.

[0011] As improvement, one side of the top surface of the water shower tank is provided with an air outlet, and the inside of the air outlet is provided with a wire mesh demisting device for filtering water mist.

[0012] Compared with the prior art, the device adds a dust particle filtering device before the waste gas inlet, filters the dust and turpentine in the tail gas through the multiple layers of HEPA filter screens in the air groove, avoids the blockage of the medicine water atomizing device by these impurities, and installs an anti-blocking filter screen above the water storage area of the water shower tank to perform secondary filtration on these easily blocked impurities, so as to ensure the smooth operation of the medicine water atomizing device. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a total structure view of the tail gas deodorization device for rosin processing.

[0014] Figure 2 is a total structure sectional view of the tail gas deodorization device for rosin processing.

[0015] Figure 3 is an explosion view of the total structure of the tail gas deodorization device for rosin processing.

[0016] Figure 4 is a spraying atomizing device structure view of the tail gas deodorization device for rosin processing.

[0017] As shown in the figure: 1, water shower tank; 11, waste gas inlet; 12, medicine water outlet; 13, sealing cover; 14, air outlet; 141, wire mesh demisting device; 2, medicine water atomizing device; 21, pressurizing device; 22, spraying atomizing device; 3, dust particle filtering device; 31, air groove; 32, HEPA filter screen; 4, anti-blocking filter screen; 41, cleaning opening; 5, three-way pipe; 6, check valve. DETAILED DESCRIPTION

[0018] The utility model discloses make further detailed description in combination with the drawings below.

[0019] As shown in the accompanying drawings Figure 1 、 As shown in the accompanying drawings 2 , 3, 4, including water drenching tank 1, one side of water drenching tank 1 is equipped with waste gas inlet 11, the bottom surface end of water drenching tank 1 is equipped with medicine water outlet 12, the top end of water drenching tank 1 is open, the top surface open end of water drenching tank 1 is equipped with sealing cover 13, one side of the top surface of water drenching tank 1 is equipped with gas outlet 14, the inside of gas outlet 14 is equipped with wire mesh demisting device 141 (wire mesh demisting device 141 separates the liquid droplet carried by the gas in tower to guarantee mass transfer efficiency and reduce the loss of valuable material) of filtering water mist, medicine water outlet 12 is located at the bottom surface of water drenching tank 1 to output medicine water, waste gas inlet 11 is located between gas outlet 14 and medicine water outlet 12, and waste gas inlet 11 is located above the medicine water level, in order to facilitate connection, the inner wall or outer wall of medicine water outlet 12 and waste gas inlet 11 is all threaded.

[0020] One side of water drenching tank 1 is equipped with medicine water atomization device 2, medicine water atomization device 2 includes pressurizing device 21 located at one side of medicine water outlet 12 and spraying atomization device 22 through sealing cover 13, pressurizing device 21 is connected with the water inlet end of spraying atomization device 22 through pressurizing pipeline, three-way pipe 5 is arranged between pressurizing device 21 and medicine water outlet 12, another open end of three-way pipe 5 is equipped with on-off valve 6, three through holes of three-way pipe 5 are respectively connected with the water inlet of pressurizing device 21, the water inlet of on-off valve 6 and medicine water outlet 12 using thread, pressurizing pipeline is used to connect the water inlet of spraying atomization device 22 with the water outlet of spraying atomization device 22, spraying atomization device 22 is passed through the center through-hole of sealing cover 13, and both are fixed using screw, so that the circulation connection of medicine water atomization device 2 is completed.

[0021] The dust particle filtering device 3 is arranged on one side of the exhaust gas inlet 11, and comprises an air passage 31 connected to the exhaust gas inlet 11 and a plurality of HEPA filter screens 32 arranged in the air passage 31.

[0022] In the specific implementation, the sealing cover 13 is opened, and the appropriate amount of purification liquid medicine is poured, and then the rosin distillation device is started. After the tail gas is filtered by the HEPA filter screen 32 to remove most of the dust and rosin, the tail gas flows to the exhaust gas inlet 11. The pressurizing device 21 is started, so that the spraying atomizing device 22 sprays water mist to purify the tail gas. After the tail gas is neutralized by the liquid medicine, the harmful components are filtered again by the anti-blocking filter screen 4. The anti-blocking filter screen 4 adsorbs the harmful gas and the sludge formed by the dust and rosin, so as to ensure the purity of the circulating liquid medicine. The purified air flows to the air outlet 14, and the liquid medicine in the gas is filtered out by the wire mesh demisting device 141. The liquid medicine is saved, and the air is not polluted by the liquid medicine. When the operation is completed, the HEPA filter screen 32 is replaced, the cleaning opening 41 is opened, and the impurities above the anti-blocking filter screen 4 are cleaned by using a brush or other tools.

[0023] The above describes the utility model and its implementation mode, and the description is not limited. The embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the utility model, similar structure modes and embodiments can be designed without creative design, which should belong to the protection scope of the utility model.

Claims

1. A tail gas deodorization device for rosin processing, comprising a water shower tank (1), one side of the water shower tank (1) is provided with a medicine water atomization device (2), one side of the water shower tank (1) is provided with a waste gas inlet (11), characterized in that: One side of the exhaust inlet (11) is provided with a dust particle filtering device (3), the dust particle filtering device (3) comprises a ventilation groove (31) connected at the end of the exhaust inlet (11) and a plurality of HEPA filter screens (32) located inside the ventilation groove (31), the HEPA filter screens (32) pass through the inner wall of the ventilation groove (31), the inside of the water drenching tank (1) is provided with an anti-blocking filter screen (4) located below the exhaust inlet (11).

2. A tail gas deodorizing device for rosin processing according to claim 1, characterized by: The bottom end of the water drenching tank (1) is provided with a medicine outlet (12), the top end of the water drenching tank (1) is open, and the top open end of the water drenching tank (1) is provided with a sealing cover (13).

3. A tail gas deodorizing device for rosin processing according to claim 2, characterized in that: The medicine atomizing device (2) comprises a pressurizing device (21) located on one side of the medicine outlet (12) and a spraying atomizing device (22) passing through the sealing cover (13), and the pressurizing device (21) is connected with the water inlet end of the spraying atomizing device (22) through a pressurizing pipeline.

4. A tail gas deodorizing device for rosin processing according to claim 3, characterized by: A three-way pipe (5) is arranged between the pressurizing device (21) and the medicine outlet (12), and the other open end of the three-way pipe (5) is provided with a check valve (6).

5. A tail gas deodorizing device for rosin processing according to claim 1, characterized by: One side of the water drenching tank (1) is provided with a cleaning opening (41) located above the anti-blocking filter screen (4).

6. A tail gas deodorizing device for rosin processing according to claim 1, characterized by: One side of the top surface of the water drenching tank (1) is provided with an air outlet (14), and the inside of the air outlet (14) is provided with a wire mesh demisting device (141) for filtering water mist.

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