Air extractor for mixing white carbon black

Abstract

The utility model discloses an air extractor for mixing white carbon black, which comprises a dust remover and an exhaust fan, the exhaust fan is connected with an exhaust pipe, a washing spray tower is arranged between the exhaust fan and the dust remover, the lower part of the dust remover is connected with an internal mixer through a dust removal pipe, and the height difference between the dust remover and the internal mixer is not less than 6 meters. The dust remover is located on an equipment platform above the internal mixer, the dust remover, the exhaust fan, the washing spray tower and the internal mixer are all connected with an automatic control device, the exhaust fan is used for achieving the air exhaust function, waste gas generated by white carbon black mixing in the mixing chamber, evaporated water and ethyl alcohol are exhausted, and the mixing quality and stability of white carbon black sizing materials are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to internal mixer technical field, concretely relates to a kind of air extraction device for white carbon black mixing. BACKGROUND

[0002] With the development of tire industry, the demand for low rolling resistance tire is increasing, and the use of white carbon black filler is increasing. White carbon black rubber needs to be mixed in an internal mixer. During the mixing process of white carbon black, a white carbon black-silane reaction will occur, which produces a large amount of water and ethanol. After the ethanol evaporates, it will recondense in the mixing chamber, causing the rubber to slip and affecting the silanization reaction. Therefore, the reaction-generated exhaust gas needs to be released to ensure the mixing effect of white carbon black. In the prior art, the mixing process is carried out under certain conditions, and the single exhaust time is determined according to the actual process. The discharged gas is treated by dust removal. For example, Patent No. CN211302514U discloses a dust removal device for a kneader. The dust removal device is arranged on one side of the kneader and includes a primary dust removal pipe, a dust collection tank, and a secondary dust removal pipe. The primary dust removal pipe, the dust collection tank, and the secondary dust removal pipe form a "U" shape. The secondary dust removal pipe is provided with a filter plate. The primary dust removal pipe is provided with an air extractor. The secondary dust removal pipe is provided with an exhaust fan. The secondary dust removal pipe is connected to a spray chamber. The air extractor and the exhaust fan are used for air extraction. The dust removal device is arranged on one side of the kneader. During the mixing process, the white carbon black dust in the dust removal pipe is difficult to re-settle and return to the mixing chamber during the intermittent time when air extraction stops, which is not conducive to further reducing the loss of white carbon black dust caused by air extraction. SUMMARY

[0003] The utility model aims to overcome the above-mentioned defects or problems in the background art and provide an air extraction device for white carbon black mixing.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] An air extraction device for white carbon black mixing includes a dust collector and an air extractor. The air extractor is connected to an exhaust pipe. A water washing spray tower is arranged between the air extractor and the dust collector. The dust collector is connected to an internal mixer through a dust removal pipe. The height difference between the dust collector and the internal mixer is not less than 6 meters. The dust collector is located on the equipment platform above the internal mixer. The dust collector, the air extractor, the water washing spray tower, and the internal mixer are all connected to an automatic control device.

[0006] In some embodiments of the utility model, the device platform is arranged with an upper platform, the upper platform is provided with a device opening corresponding to the dust remover, the dust remover passes through the device opening, a top cover is arranged on the top of the dust remover, the air outlet of the dust remover is located on the upper part of the dust remover, and the air outlet of the dust remover is connected to the water washing spray tower through a first pipeline.

[0007] In some embodiments of the utility model, the first pipeline is inserted into the water washing spray tower, the outlet of the first pipeline is located in the middle of the inner chamber of the water washing spray tower, a water spraying device is arranged on the upper part of the water washing spray tower, a passage opening is arranged on one side of the upper part of the water washing spray tower, and the passage opening is connected to the exhaust fan through a second pipeline.

[0008] In some embodiments of the utility model, the water washing spray tower is provided with a water pump circulating device, the water inlet of the water pump circulating device is located in the bottom water tank in the water washing spray tower, and the water outlet of the water pump circulating device is connected to the water inlet end of the water spraying device.

[0009] In some embodiments of the utility model, a damping pad is mounted at the bottom of the exhaust fan.

[0010] In some embodiments of the utility model, an explosion venting sheet is mounted on the side wall of the dust remover.

[0011] In some embodiments of the utility model, an observation window is mounted on the side wall of the dust remover, and the observation window and the explosion venting sheet are located on different sides of the dust remover.

[0012] In some embodiments of the utility model, the dust removal pipe comprises an upper air pipe, the upper air pipe is connected to the dust remover, and the other end of the upper air pipe is connected to the internal mixer through a hose.

[0013] In some embodiments of the utility model, the upper air pipe is connected to the dust remover through a flexible joint.

[0014] In some embodiments of the utility model, the lower end pipe opening of the upper air pipe is inclined towards the side of the internal mixer, and the lower end pipe opening is communicated to the internal mixer through a hose.

[0015] According to the description of the utility model above, compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The exhaust function is realized through the exhaust fan, the waste gas generated by mixing white carbon black in the mixing chamber and the evaporated water and ethanol are extracted, the silanization degree is improved, the mixing quality and stability of the white carbon black rubber material are ensured, the dispersion of carbon black is improved, the Payne effect is reduced, the efficiency is improved, and the production cost is reduced. Meanwhile, during the intermittent process of the mixing process, the exhaust fan is in a stopped state, due to the large height difference between the dust remover and the internal mixer, part of the white carbon black dust in the dust removal pipe is returned to the material due to the sedimentation, a small amount of material extracted due to the exhaust fan is reduced, and the loss of white carbon black dust due to the extraction is reduced.

[0017] 2. The lower end of the upper air duct is tilted towards the side of the internal mixer. Flexible joints and hoses are used at both ends of the upper air duct to help reduce vibration and noise during the exhaust process.

[0018] 3. The dust collector is equipped with a pressure relief diaphragm and an observation window on its side wall. The observation window and the pressure relief diaphragm are located on different sides of the dust collector. The pressure relief diaphragm releases pressure by breaking the diaphragm, ensuring the safety of the equipment operation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 For the present utility model Figure 1 Enlarged view of A;

[0022] Figure 3 For the present utility model Figure 1 Enlarged view of B;

[0023] Explanation of key figure labels:

[0024] 1. Internal mixer; 2. Dust removal pipe; 20. Upper air duct; 21. Lower end pipe opening; 22. Flexible hose; 23. Flexible joint; 3. Dust collector; 30. Top cover; 31. Air outlet; 32. Explosion relief disc; 33. Observation window; 34. First pipeline; 4. Water washing spray tower; 40. Water pump circulation device; 41. Water tank; 42. Channel opening; 43. Second pipeline; 5. Exhaust fan; 50. Exhaust duct; 6. Equipment platform; 60. Floor opening; 7. Upper platform; 70. Equipment opening. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are preferred embodiments of the present utility model and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] In the claims, the specification, and the drawings of the present application, terms such as "first", "second", and "third" are used merely to distinguish one object or implementation from another, and do not imply a particular order or sequence.

[0027] In the claims, the specification, and the drawings of the present application, unless otherwise expressly specified, words used in the interpretation of legal terms such as "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation and position shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as limiting the specific protection scope of the present application.

[0028] In the claims, the specification, and the drawings of the present application, unless otherwise expressly specified, terms such as "fixedly connected" or "fixedly connected" should be broadly understood, that is, any connection mode between the two without displacement relationship and relative rotation relationship, that is, it includes non-detachable fixed connection, detachable fixed connection, integration and fixed connection through other devices or elements.

[0029] In the claims, the specification, and the drawings of the present application, unless otherwise expressly specified, terms such as "including", "having" and their variants are intended to mean "including but not limited to".

[0030] Embodiment, see Figures 1-3 :

[0031] A kind of for white carbon black mixing exhaust device, including dust collector 3, exhaust fan 5, the exhaust fan 5 is connected with exhaust pipe 50, water washing spray tower 4 is arranged between exhaust fan 5 and dust collector 3, dust collector 3 is connected through dust removal pipe 2 below dense mixer 1, dust collector 3 is used to extract the waste gas generated in the mixing chamber of dense mixer 1, the height difference of dust collector 3 and dense mixer 1 is not less than 6 meters, the dust collector 3, exhaust fan 5, water washing spray tower 4 and dense mixer 1 are all connected with automatic control device, automatic control device is used for the start and stop of equipment, the exhaust fan 5 extracts the waste gas generated in dense mixer 1 due to white carbon black rubber mixing process, the dust collector 3, water washing spray tower 4 spray to the waste gas extracted and play the role of dust removal purification, the exhaust pipe 50 is handled waste gas to the outside.

[0032] In the mixing process of the white carbon black rubber material, due to the silanization of the white carbon black, a large amount of water and ethanol will be produced in the silanization reaction, part of the ethanol evaporates from the rubber material, and then recondenses in the mixing chamber of the internal mixer 1, which is easy to cause the slip phenomenon of the rubber material. The air exhaust function is realized by the air exhaust fan 5 to exhaust the waste gas, evaporated water and ethanol in the mixing chamber, improve the silanization degree, ensure the mixing quality and stability of the white carbon black rubber material, improve the dispersion of the carbon black, reduce the Payne effect, improve the efficiency and reduce the production cost. In the actual application process, according to the mixing process setting needs, the automatic control device sets the required air exhaust time and time, at the same time, the mixing process of the white carbon black rubber material is interrupted during air exhaust, when the air exhaust fan 5 is in a stop state, due to the large height difference between the dust collector 3 and the internal mixer 1, the powder in the dust removal pipe 2 settles down to return a small amount of materials that are taken away by the air exhaust fan 5, and to reduce the loss of white carbon black dust.

[0033] As an embodiment, the dust removal pipe 2 includes an upper air pipe 20 connected to the dust collector 3 through a flexible joint 23, and the other end of the upper air pipe 20 is connected to the internal mixer 1 through a hose 22. The lower end of the upper air pipe 20 is inclined towards the side of the internal mixer 1, and the channel of the hose 22 is arranged in an inclined direction, which is less bent and helps to reduce the deformation degree of the hose 22 caused by air exhaust. The flexible joint 23 and the hose 22 help to reduce the vibration and noise generated by the dust removal pipe 2 during air exhaust.

[0034] Preferably, the flexible joint 23 is a flexible cloth joint or a pipeline rubber shock-absorbing flexible joint with a specification of DN300.

[0035] As an embodiment, the internal mixer 1 is located on a first floor platform, and the dust collector 3 is located on a device platform 6 above the internal mixer 1. The device platform 6 is provided with a floor opening 60 corresponding to the exhaust pipe 50. An upper platform 7 is arranged above the device platform 6. The upper platform 7 is a steel structure platform, and the device platform 6 is provided with a device opening 70 corresponding to the dust collector 3. The dust collector 3 passes through the device opening 70, and a top cover 30 is arranged on the top of the dust collector 3. An air outlet 31 of the dust collector 3 is located at the upper part of the dust collector 3, and the air outlet 31 is connected to the water washing spray tower 4 through a first pipeline 34.

[0036] As an embodiment, the dust collector 3 contains a bag filter, and the filter cartridge of the bag filter is covered with a polyester non-woven fabric film. The dust collector 3 is provided with a blast relief sheet 32 and an observation window 33 on the side wall. The observation window 33 and the blast relief sheet 32 are located on different sides of the dust collector 3. The blast relief sheet 32 releases pressure by breaking the film, which ensures the safety of the equipment operation. It can be understood that the observation window 33 is made of explosion-proof safety glass. In case of danger, the blast relief sheet 32 releases pressure by breaking the pressure film, which ensures the safety of the side of the observation window 33.

[0037] As an implementation, the water washing spray tower 4 is provided with a water pump circulating device 40, the first pipeline 34 is inserted into the water washing spray tower 4, the outlet of the first pipeline 34 is located in the middle of the inner chamber of the water washing spray tower 4, the upper part of the water washing spray tower 4 is provided with a water spraying device, the water inlet of the water pump circulating device 40 is located in the bottom water tank 41 in the water washing spray tower, and the water outlet of the water pump circulating device is connected to the water inlet end of the water spraying device; one side of the upper part of the water washing spray tower 4 is arranged with a passage opening 42, the passage opening 42 is connected to the exhaust fan 5 through the second pipeline 43. Preferably, the bottom of the exhaust fan 5 is provided with a damping pad, which helps to reduce the vibration and noise of the exhaust fan 5 during operation.

[0038] The above description and embodiment are used to explain the protection scope of the present application, but do not constitute a limitation on the protection scope of the present application. Through the inspiration of the present application or the above embodiment, those skilled in the art can obtain the modification, equivalent replacement or other improvement of the present application embodiment or part of the technical features thereof by combining the common knowledge, the ordinary technical knowledge in the art and / or the prior art through logical analysis, reasoning or limited test, which should be included in the protection scope of the present application.

Claims

1. A suction device for white carbon black mixing, characterized by: The device comprises a dust collector (3), an air extractor (5), an exhaust pipe (50) connected to the air extractor (5), a water washing spray tower (4) arranged between the air extractor (5) and the dust collector (3), a dust removal pipe (2) connecting the dust collector (3) and the internal mixer (1), the height difference between the dust collector (3) and the internal mixer (1) is not less than 6 meters, the dust collector (3) is located on the equipment platform (6) above the internal mixer (1), and the dust collector (3), the air extractor (5), the water washing spray tower (4) and the internal mixer (1) are connected with an automatic control device.

2. The air extraction device for white carbon mixing according to claim 1, characterized in that: An upper platform (7) is arranged above the equipment platform (6), the upper platform (7) is provided with an equipment opening (70) corresponding to the dust collector (3), the dust collector (3) passes through the equipment opening (70) at the upper portion, a top cover (30) is arranged on the top of the dust collector (3), an air outlet (31) of the dust collector is located at the upper portion of the dust collector (3), and the air outlet (31) of the dust collector is connected to the water washing spray tower (4) through a first pipeline (34).

3. The device according to claim 2, wherein: The first pipeline (34) is inserted into the water washing spray tower (4), the outlet of the first pipeline (34) is located in the middle of the inner chamber of the water washing spray tower (4), a water spraying device is arranged at the upper portion of the water washing spray tower (4), and a passage opening (42) is arranged on one side of the upper portion of the water washing spray tower (4) and connected to the air extractor (5) through a second pipeline (43).

4. The device according to claim 1, wherein: The water washing spray tower is provided with a water pump circulating device (40), the water inlet of the water pump circulating device (40) is located at the bottom water tank (41) in the water washing spray tower (4), and the water outlet of the water pump circulating device (40) is connected to the water inlet end of the water spraying device.

5. The device according to claim 1, wherein: A damping pad is arranged at the bottom of the air extractor (5).

6. The device according to claim 1, wherein: An explosion venting sheet (32) is arranged on the side wall of the dust collector (3).

7. The device according to claim 6, wherein: An observation window (33) is arranged on the side wall of the dust collector (3), and the observation window (33) and the explosion venting sheet (32) are located on different sides of the dust collector (3).

8. A device for the extraction of gases from the mixing of white carbon black according to any one of claims 1 to 7, characterized in that: The dust removal pipe (2) comprises an upper air pipe (20), the upper air pipe (20) is connected to the dust collector (3), and the other end of the upper air pipe (20) is connected to the internal mixer (1) through a hose (22).

9. The device according to claim 8, wherein: The upper air pipe (20) is connected to the dust collector (3) through a flexible joint (23).

10. The device according to claim 9, wherein: The lower end pipe opening (21) of the upper air pipe is inclined towards one side of the internal mixer (1), and the lower end pipe opening (21) is communicated to the internal mixer (1) through the hose (22).

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