Isocyanate stirring device

Abstract

The utility model discloses an isocyanate stirring device which comprises a shell, the top of the shell is fixedly connected with a motor, the output end of the motor penetrates into the shell, the output end of the motor is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with stirring blades, the top of the shell is fixedly connected with a feeding pipe, and the feeding pipe is fixedly connected with a discharging pipe. And the feeding pipe is communicated with the shell. According to the waste gas treatment device, the box body is arranged, gas in the box body is exhausted through the fan box, so that suction force is generated in the box body, then gas in the shell is pumped out through the connecting pipe and pumped into the box body, and harmful substances in waste gas can be cracked through the ultraviolet lamp; meanwhile, irradiation light of the ultraviolet lamp can activate titanium dioxide on the surface of the photocatalytic plate, and waste gas can be subjected to oxidation reduction, so that the effect of purifying the gas is achieved, waste gas overflow is reduced, and pollution of the waste gas to the environment and influence of the waste gas on personnel health are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of isocyanate processing, in particular to an isocyanate stirring device. Background Art

[0002] Isocyanate is a general term for various esters of isocyanic acid. If classified by the number of -NCO groups, it includes monoisocyanate R-N=C=O, diisocyanate O=C=N-R-N=C=O and polyisocyanates. Common diisocyanates include toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate, hexamethylene diisocyanate, and lysine diisocyanate. A stirring device is required in the purification and production process of isocyanates.

[0003] Chinese patent CN 212942548 U discloses an aviation isocyanate processing stirring device. The utility model relates to the technical field of isocyanate processing, specifically an aviation isocyanate processing stirring device, including a housing, a primary waterproof bearing is installed on the housing, the primary waterproof bearing is connected to a feed hopper and a rotating rod, a driven gear is installed on the rotating rod, a servo motor is installed on the housing, the servo motor is connected to a driving gear, a secondary waterproof bearing is installed on the rotating rod, the secondary waterproof bearing is connected to a mixing barrel, and a liquid spraying pipe is installed on the rotating rod. The device is provided with a rotating rod, a servo motor, a liquid spraying pipe, a pipette and a fixed frame, etc., which can fully stir the liquid in the mixing barrel when the rotating rod rotates; a water pump is provided at the bottom of the mixing barrel. When the device is stirred, the water pump draws the liquid at the bottom into the rotating rod through the pipette, and then sprays it out through the liquid spraying pipe on the rotating rod, so that all the liquid in the mixing barrel keeps circulating, and the liquid in the mixing barrel is fully stirred and mixed.

[0004] Although the above patent can make the liquid in the barrel be fully stirred and mixed, the isocyanate production process will produce a certain amount of waste gas. If the waste gas is not treated, it may be dispersed in the outside air, which may pollute the environment and may also affect people's health. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an isocyanate stirring device, which has the advantages of treating waste gas, reducing waste gas pollution to the environment and reducing the impact of waste gas on people's health, and solves the problem of waste gas polluting the environment and affecting people's health due to the inability to treat waste gas.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an isocyanate stirring device, comprising a shell, a motor is fixedly connected to the top of the shell, the output end of the motor passes through the interior of the shell, and the output end of the motor is fixedly connected to a rotating shaft, the surface of the rotating shaft is fixedly connected to a stirring blade, a feed pipe is fixedly connected to the top of the shell, the feed pipe is communicated with the shell, a discharge pipe is fixedly connected to the right side of the shell, the discharge pipe is communicated with the shell, a solenoid valve is arranged inside the discharge pipe, a connecting pipe is arranged on the right side of the motor, the connecting pipe is communicated with the shell, a box is fixedly connected to the interior of the shell, one end of the connecting pipe is communicated with the box, a plurality of ultraviolet lamps are fixedly connected to the interior of the box, a photocatalyst plate is arranged between the plurality of ultraviolet lamps, the photocatalyst plate is fixedly connected to the box, a fan box is fixedly connected to the left side of the box, and the fan box is communicated with the box.

[0007] As a preferred embodiment of the present invention, an activated carbon filter is arranged on the left side of the ultraviolet lamp, and the activated carbon filter is fixedly connected to the box.

[0008] As a preferred embodiment of the present invention, a through opening is provided inside the box body, and a connecting door is movably connected inside the through opening.

[0009] As a preferred embodiment of the present invention, a connecting plate is sleeved on the surface of the connecting pipe, and the connecting plate is fixedly connected to the shell.

[0010] As a preferred embodiment of the present invention, a dustproof net is provided inside the fan box.

[0011] As a preferred embodiment of the present invention, a material guide plate is fixedly connected to the inner bottom of the shell, and the material guide plate is located below the rotating shaft and the stirring blade.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets up a box body, uses a fan box to discharge the gas inside the box body, generates suction inside the box body, and then uses a connecting pipe to extract the gas inside the shell body to the inside of the box body. The ultraviolet lamp will decompose the harmful substances in the exhaust gas. At the same time, the irradiation light of the ultraviolet lamp will activate the titanium dioxide on the surface of the photocatalyst board, and will perform an oxidation-reduction on the exhaust gas, thereby achieving the effect of purifying the gas, reducing the overflow of the exhaust gas, and reducing the pollution of the exhaust gas to the environment and the impact on personnel health.

[0014] 2. The utility model can perform secondary purification on the gas and improve the cleanliness of the gas by setting an activated carbon filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the housing of the utility model;

[0017] Figure 3 It is a rear view schematic diagram of the housing of the utility model;

[0018] Figure 4 It is a connection schematic diagram of the box body and the connecting door of the utility model.

[0019] In the figure: 1. Shell; 2. Motor; 3. Rotating shaft; 4. Stirring blade; 5. Feed pipe; 6. Discharge pipe; 7. Solenoid valve; 8. Connecting pipe; 9. Box; 10. Ultraviolet lamp; 11. Photocatalyst board; 12. Fan box; 13. Activated carbon filter; 14. Through port; 15. Connecting door; 16. Connecting plate; 17. Dust net; 18. Guide plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4 As shown, an isocyanate stirring device comprises a shell 1, a motor 2 is fixedly connected to the top of the shell 1, the output end of the motor 2 passes through the interior of the shell 1, and a rotating shaft 3 is fixedly connected to the output end of the motor 2, a stirring blade 4 is fixedly connected to the surface of the rotating shaft 3, a feed pipe 5 is fixedly connected to the top of the shell 1, the feed pipe 5 is communicated with the shell 1, a discharge pipe 6 is fixedly connected to the right side of the shell 1, the discharge pipe 6 is communicated with the shell 1, a solenoid valve 7 is arranged inside the discharge pipe 6, a connecting pipe 8 is arranged on the right side of the motor 2, the connecting pipe 8 is communicated with the shell 1, a box 9 is fixedly connected to the interior of the shell 1, one end of the connecting pipe 8 is communicated with the box 9, a plurality of ultraviolet lamps 10 are fixedly connected to the interior of the box 9, a light catalyzing plate 11 is arranged between the plurality of ultraviolet lamps 10, the light catalyzing plate 11 is fixedly connected to the box 9, a fan box 12 is fixedly connected to the left side of the box 9, and the fan box 12 is communicated with the box 9.

[0022] refer to Figure 3 An activated carbon filter 13 is arranged on the left side of the ultraviolet lamp 10 , and the activated carbon filter 13 is fixedly connected to the box body 9 .

[0023] As a technical optimization solution of the utility model, by providing an activated carbon filter 13, the gas can be purified for a second time to improve the cleanliness of the gas.

[0024] refer to Figure 4 A through opening 14 is provided inside the box body 9, and a connecting door 15 is movably connected inside the through opening 14.

[0025] As a technical optimization solution of the utility model, by providing the through opening 14 and cooperating with the through opening 14 and the connecting door 15, it is convenient for personnel to open the interior of the box 9 and to inspect and maintain the devices inside the box 9, making it easy to use.

[0026] refer to Figure 1 A connecting plate 16 is sleeved on the surface of the connecting pipe 8 , and the connecting plate 16 is fixedly connected to the housing 1 .

[0027] As a technical optimization solution of the present invention, by providing the connecting plate 16, the connecting plate 16 can support the connecting pipe 8, thereby improving the installation stability of the connecting pipe 8 and facilitating use.

[0028] refer to Figure 3 A dustproof net 17 is arranged inside the fan box 12 .

[0029] As a technical optimization solution of the utility model, by setting a dustproof net 17, the dustproof net 17 makes the fan box 12 have a dustproof advantage after stopping working, reduces the pollution of external dust to the internal components of the fan box 12, and improves the cleanliness of the fan box 12.

[0030] refer to Figure 2 A material guide plate 18 is fixedly connected to the inner bottom of the shell 1 , and the material guide plate 18 is located below the rotating shaft 3 and the stirring blade 4 .

[0031] As a technical optimization solution of the utility model, by providing a material guide plate 18, the slope of the material guide plate 18 can be utilized to guide the material out, thereby reducing the accumulation of materials in the dead corner of the shell 1 and affecting the handling of materials by personnel.

[0032] The working principle and use process of the utility model are as follows: in daily use, personnel deliver materials to the inside of the shell 1 through the feed pipe 5, and then turn on the motor 2 to drive the rotating shaft 3 and the stirring blade 4 to rotate, so as to stir and mix the materials. The exhaust gas generated in the material stirring process is discharged from the inside of the box 9 by the fan box 12, so that suction is generated inside the box 9, and then the gas inside the shell 1 is extracted by the connecting pipe 8 and pumped into the inside of the box 9. The ultraviolet lamp 10 will decompose the harmful substances in the exhaust gas. At the same time, the irradiation light of the ultraviolet lamp 10 will activate the titanium dioxide on the surface of the photocatalyst plate 11, and will perform an oxidation-reduction on the exhaust gas, thereby achieving the effect of purifying the gas, reducing the overflow of exhaust gas, and reducing the pollution of the environment by exhaust gas and the impact on personnel health.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An isocyanate stirring device, comprising a housing (1), characterized in that: The top of the shell (1) is fixedly connected to a motor (2), the output end of the motor (2) extends into the interior of the shell (1), and the output end of the motor (2) is fixedly connected to a rotating shaft (3), the surface of the rotating shaft (3) is fixedly connected to a stirring blade (4), the top of the shell (1) is fixedly connected to a feed pipe (5), the feed pipe (5) is in communication with the shell (1), the right side of the shell (1) is fixedly connected to a discharge pipe (6), the discharge pipe (6) is in communication with the shell (1), a solenoid valve (7) is provided inside the discharge pipe (6), and the A connecting pipe (8) is provided on the right side of the motor (2), the connecting pipe (8) being in communication with the housing (1), the housing (1) being fixedly connected to a box (9), one end of the connecting pipe (8) being in communication with the box (9), a plurality of ultraviolet lamps (10) being fixedly connected to the inside of the box (9), a light catalyzing plate (11) being provided between the plurality of ultraviolet lamps (10), the light catalyzing plate (11) being fixedly connected to the box (9), a fan box (12) being fixedly connected to the left side of the box (9), the fan box (12) being in communication with the box (9).

2. An isocyanate stirring device according to claim 1, characterized in that: An activated carbon filter (13) is provided on the left side of the ultraviolet lamp (10), and the activated carbon filter (13) is fixedly connected to the box body (9).

3. An isocyanate stirring device according to claim 1, characterized in that: A through opening (14) is provided inside the box body (9), and a connecting door (15) is movably connected inside the through opening (14).

4. An isocyanate stirring device according to claim 1, characterized in that: A connecting plate (16) is sleeved on the surface of the connecting pipe (8), and the connecting plate (16) is fixedly connected to the housing (1).

5. An isocyanate stirring device according to claim 1, characterized in that: A dustproof net (17) is arranged inside the fan box (12).

6. An isocyanate stirring device according to claim 1, characterized in that: A material guide plate (18) is fixedly connected to the inner bottom of the housing (1), and the material guide plate (18) is located below the rotating shaft (3) and the stirring blade (4).

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