Novel methanol oxidizer

Abstract

The utility model relates to the technical field of methanol oxidizers, and discloses a novel methanol oxidizer which comprises a shell, a central air inlet pipe is movably mounted at the central position of the upper end in the shell, one end of the central air inlet pipe extends into the shell and is provided with a uniform distribution piece, and the uniform distribution piece comprises a uniform distribution pipe, an air inlet hole and a connecting pipe I; when the device is used, methanol is uniformly distributed in the shell through the uniform distribution pieces, the methanol is more uniformly mixed with oxygen, uniform reaction is facilitated, the reaction efficiency is improved, the flowing methanol is filtered through the arranged filter piece, and the methanol is more uniformly distributed in the shell through the uniform distribution pieces. The fixed particles and the organic impurities in the methanol are removed, the filtered methanol is purer and is more uniformly mixed with oxygen, and the methanol filtering device has the characteristics of strong practicability and full reaction.

Description

TECHNICAL FIELD

[0001] The utility model relates to methanol oxidizer technical field, concretely is a novel methanol oxidizer. BACKGROUND

[0002] Methanol oxidizer is a kind of equipment for oxidizing methanol into formaldehyde and other products, and methanol oxidation is an important reaction process in chemical production, widely used in the production of formaldehyde, formic acid, dimethyl ether and other chemicals, and formaldehyde is one of the main products of methanol oxidizer, and is widely used in various chemical products and industrial applications.

[0003] At present, methanol oxidation for preparing formaldehyde usually uses fixed bed reactor, in this reactor, catalyst is fixed in bed layer, methanol gas and oxygen flow through catalyst bed layer to react, and the large amount of methanol gas can cause the gas to react fully, the residence time of methanol gas in catalyst bed layer is too short, and the methanol cannot fully contact and react with the catalyst, resulting in that part of methanol is not oxidized, and further affecting the concentration and quality of product, therefore, it is necessary to design a novel methanol oxidizer with strong practicability and full reaction. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a novel methanol oxidizer to solve the problems in the above background.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a novel methanol oxidizer, including the shell, the center inlet pipe is movably installed in the upper end center position in the shell, one end of the center inlet pipe extends to the shell and is provided with uniform distribution part, the uniform distribution part includes uniform distribution pipe, inlet hole and connecting pipe one, the uniform distribution pipe is arranged in array around the center inlet pipe, the inlet holes are evenly distributed on the side wall of the uniform distribution pipe, the center inlet pipe and the uniform distribution pipe are connected through the connecting pipe one, the center inlet pipe, the uniform distribution pipe and the connecting pipe one are all hollowly arranged, the shell upper end is equipped with driving part, the driving part drives the center inlet pipe to rotate, the shell is equipped with temperature control jacket outside, the side wall of the temperature control jacket is respectively equipped with input and output, the shell upper end edge position is fixedly installed with feed pipe, the shell upper end is equipped with pressure gauge, the shell lower end center position is fixedly installed with discharge pipe, the center inlet pipe upper end is equipped with filter part, the filter part filters the medium flowing through, the shell is equipped with catalyst layer inside, and the catalyst layer is arranged in array in the shell.

[0006] According to the technical scheme, the driving member comprises a driving motor and a driving gear and a driven gear, the driving motor is fixedly installed on the upper end of the shell, the driving motor output end is fixedly installed with the driving gear, the driven gear is sleeved on the outer side of the central air inlet pipe, and the driving gear and the driven gear are engaged.

[0007] According to the technical scheme, the filter member comprises a filter cylinder, an isolation plate, a flow-through groove, a filter groove, a filter plate and a connecting pipe two, the filter cylinder is fixedly installed on the upper end of the central air inlet pipe, the lateral wall of the filter cylinder is provided with the flow-through groove penetratingly, the flow-through groove is arranged in a circumferential array, the filter groove is arranged on the upper end of the filter cylinder, the filter groove is arranged in a ring shape, the filter plate is inserted into the filter groove, the lower end of the connecting pipe two is fixedly installed on the upper end of the filter cylinder, the isolation plate is fixedly installed in the filter cylinder, and the connecting pipe one and the central air inlet pipe are connected through the flow-through groove.

[0008] According to the technical scheme, the filter plate comprises a handle end, a filter screen and a ring-shaped groove, the filter screen is fixedly installed on the lower end of the handle end, and the ring-shaped groove is arranged on the upper end of the handle end, and the upper end of the handle end is flush with the upper end of the filter cylinder.

[0009] According to the technical scheme, the shell comprises an arc-shaped head, a lower shell base and a supporting leg, the arc-shaped head, the lower shell base and the supporting leg are sequentially fixedly arranged from top to bottom, the supporting leg is uniformly arranged on the lower end of the lower shell base in a circumferential direction, and the supporting leg comprises a supporting rod and a base, the base is fixedly installed on the lower end of the supporting rod, and the upper end of the supporting rod is fixedly installed on the lower end of the lower shell base.

[0010] According to the technical scheme, the inner bottom wall of the lower shell base is provided with a discharging ramp, and the discharging ramp is arranged to be inclined downward towards the discharging pipe.

[0011] Compared with the prior art, the application has the following beneficial effects:

[0012] (1) In use, the methanol is uniformly distributed in the shell through the uniform distribution member, the mixture of the methanol and oxygen is more uniform, the catalyst layer is fully contacted and reacted, local overload is avoided, the uniform reaction is facilitated, and the reaction efficiency is improved.

[0013] (2) The filter member is arranged to filter the methanol, remove the fixed particles and organic impurities in the methanol, the filtered methanol is purer, the mixture of the methanol and oxygen is more uniform, the uniform reaction is facilitated, the reaction efficiency is improved, the impurities in the methanol are removed, the pollution and poisoning of the catalyst are reduced, the service life of the catalyst is prolonged, in long-time use, the filter screen can be taken out through the ring-shaped groove, the filter screen is conveniently taken out and replaced, the replacement time is saved, and the work efficiency is improved. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a first perspective view of the present invention;

[0016] Figure 2 This is a second perspective view of the present invention;

[0017] Figure 3 This is a third perspective view of the present invention;

[0018] Figure 4 This is a first partial perspective view of the present invention;

[0019] Figure 5 This is a first partial perspective view of the present invention;

[0020] Figure 6 This is a utility model Figure 5 Enlarged view of point A in the middle;

[0021] In the diagram: 1-Shell, 11-Feed pipe, 12-Pressure gauge, 13-Discharge pipe, 14-Arc-shaped head, 15-Lower shell base, 16-Support leg, 2-Central air inlet pipe, 3-Equalizing component, 31-Equalizing pipe, 32-Air inlet hole, 33-Connecting pipe one, 4-Drive component, 41-Drive motor, 42-Drive gear, 43-Driven gear, 5-Temperature control jacket, 51-Input port, 52-Output port, 6-Filter component, 61-Filter cylinder, 62-Isolation plate, 63-Flow channel, 64-Filter tank, 65-Filter plate, 651-Handle end, 652-Filter screen, 653-Annular groove, 66-Connecting pipe two, 7-Catalyst layer, 8-Discharge ramp. Detailed Implementation

[0022] 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 only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-6The utility model provides technical scheme: A novel methanol oxidizer, including the casing 1, the casing 1 is in the upper end center position and is movedly installed with the central inlet pipe 2, the central inlet pipe 2 one end extends to the casing 1 and is equipped with the even distribution spare 3, the even distribution spare 3 includes even distribution pipe 31 and air inlet hole 32 and connecting pipe no. 33, even distribution pipe 31 is arrayed in the periphery of central inlet pipe 2, air inlet hole 32 evenly distributes in even distribution pipe 31 lateral wall, the central inlet pipe 2 with even distribution pipe 31 between through connecting pipe no. 33 is linked, the central inlet pipe 2 with even distribution pipe 31 and connecting pipe no. 33 are all hollow settings, the casing 1 upper end is equipped with driving part 4, driving part 4 drives the central inlet pipe 2 rotation, the casing 1 is equipped with temperature control jacket 5, temperature control jacket 5 lateral wall is equipped with input 51 and output 52 respectively, the casing 1 upper end edge position is fixedly installed with feed pipe 11 and penetrates, the casing 1 upper end is equipped with pressure gauge 12, the casing 1 lower end center position is fixedly installed with discharge pipe 13, the central inlet pipe 2 upper end is equipped with filter piece 6, filter piece 6 filters the medium that flows, the casing 1 is equipped with catalyst layer 7, catalyst layer 7 is arrayed in the casing 1 in,

[0024] The utility model is in use, methanol is input through the central inlet pipe 2, feed pipe 11 is connected with the outside gas supply equipment, and the supply of oxygen is carried out, in the input process, the methanol that flows through is filtered through filter piece 6, and the filtered methanol is more pure, and is evenly distributed in the casing 1 through even distribution spare 3, even distribution spare 3 includes even distribution pipe 31 and air inlet hole 32 and connecting pipe no. 33, methanol is evenly distributed through air inlet hole 32, and the mixture of oxygen is more uniform, and the catalyst layer is fully contacted and reacts, avoids local overload, and it is favorable for the uniform performance of reaction, improves reaction efficiency, when catalyst layer 7 is selected, according to specific reaction, selects appropriate catalyst (the catalyst commonly used in methanol oxidation reaction is silver), the catalyst layer 7 in the application is granular, and is equipped with bottom support layer and top support layer, the catalyst layer 7 in the application is set as double layer, and the overall temperature control is carried out through temperature control jacket 5, temperature control jacket 5 inputs and outputs medium respectively through input 51 and output 52, and heating or cooling medium (such as steam, hot water, cooling water, frozen brine etc.) can be introduced into temperature control jacket 5;

[0025] Specifically, the driving part 4 includes a driving motor 41, a driving gear 42, and a driven gear 43, the driving motor 41 is fixedly installed on the upper end of the casing 1, the driving motor 41 is fixedly installed with the driving gear 42 at the output end, the driven gear 43 is sleeved on the outside of the central inlet pipe 2, and the driving gear 42 is engaged with the driven gear 43.

[0026] The driving motor 41 is controlled by an external control terminal, and drives the driving gear 42 and the driven gear 43 to rotate, and further drives the central air inlet pipe 2 to rotate. A protective box can be arranged outside the driving motor 41, the driving gear 42 and the driven gear 43, which can prevent pollution and isolate impurities.

[0027] Specifically, the filter 6 comprises a filter cylinder 61, an isolation plate 62, a flow-through groove 63, a filter groove 64, a filter plate 65 and a connecting pipe two 66. The filter cylinder 61 is fixedly installed on the upper end of the central air inlet pipe 2. The side wall of the filter cylinder 61 is provided with the flow-through groove 63. The flow-through groove 63 is arranged in a circumferential array. The filter groove 64 is arranged on the upper end of the filter cylinder 61. The filter groove 64 is annular. The filter plate 65 is inserted into the filter groove 64. The connecting pipe two 66 is fixedly installed on the upper end of the filter cylinder 61. The isolation plate 62 is fixedly installed in the filter cylinder 61. The connecting pipe one 33 and the central air inlet pipe 2 are connected through the flow-through groove 63.

[0028] Through the arrangement of the filter cylinder 61, the isolation plate 62, the flow-through groove 63, the filter groove 64, the filter plate 65 and the connecting pipe two 66, the connecting pipe two 66 is connected with the external methanol supply device. Methanol flows through the connecting pipe two 66, the flow-through groove 63, the filter groove 64 and the central air inlet pipe 2 in sequence, and enters the shell 1 through the central air inlet pipe 2. When flowing through the filter groove 64, the filter plate 65 is arranged to filter the methanol flowing through, so as to remove fixed particles and organic impurities in the methanol. The filtered methanol is more pure, and the mixture with oxygen is more uniform, which is beneficial to the uniform reaction and improves the reaction efficiency. At the same time, the removal of impurities in the methanol can reduce the pollution and poisoning of the catalyst, and prolong the service life of the catalyst.

[0029] Specifically, the filter plate 65 comprises a handle end 651, a filter screen 652 and an annular groove 653. The filter screen 652 is fixedly installed at the lower end of the handle end 651. The annular groove 653 is arranged at the upper end of the handle end 651. The handle end 651 is flush with the upper end surface 61 of the filter cylinder.

[0030] In long-term use, the filter screen 652 can be taken out through the annular groove 653, so as to conveniently take out and replace the filter screen 652, save replacement time and improve work efficiency.

[0031] Specifically, the shell 1 includes an arc-shaped head 14 and a lower shell seat 15 and a support leg 16, the arc-shaped head 14 and the lower shell seat 15 and the support leg 16 are sequentially fixed from top to bottom, the support leg 16 is uniformly arranged at the lower end of the lower shell seat 15, the support leg 16 includes a support rod 161 and a base 162, the base 162 is fixedly installed at the lower end of the support rod 161, and the upper end of the support rod 161 is fixedly installed at the lower end of the lower shell seat 15;

[0032] The arc-shaped head 14 and the lower shell seat 15 can be connected by welding or by bolt sealing connection, and the bolt sealing connection is convenient for maintenance of internal parts, and the number of support legs 16 is three in the application, triangular stable support can be achieved, the base 162 can increase the support area and improve the support stability;

[0033] Specifically, the lower shell seat 15 is provided with a discharge ramp 8 on the inner bottom wall, and the discharge ramp 8 is inclined downward towards the discharge pipe 13;

[0034] Through the setting of the discharge ramp 8, the product can be easily discharged, and the product can be prevented from being accumulated and left in the inner bottom wall of the lower shell seat 15.

[0035] Working principle: in use, methanol is input through the center inlet pipe 2, the feeding pipe 11 is connected with the external gas supply equipment to supply oxygen, in the input process, the methanol flowing through the filter 6 is filtered, the filtered methanol is more pure, and is uniformly distributed in the shell 1 through the uniform distribution piece 3, the uniform distribution piece 3 includes a uniform distribution pipe 31, an inlet hole 32 and a connecting pipe 33, the methanol is uniformly distributed through the inlet hole 32, and is more uniformly mixed with oxygen, and fully contacts and reacts with the catalyst layer, avoids local overload, is beneficial to uniform reaction, improves reaction efficiency, and the catalyst layer 7 is selected according to specific reactions (the commonly used catalyst for methanol oxidation reaction is silver), the catalyst layer 7 in the application is in a granular shape and is provided with a bottom support layer and a top support layer, the catalyst layer 7 in the application is provided as a double layer, and the overall temperature is controlled through the temperature control jacket 5, the temperature control jacket 5 inputs and outputs medium through the input port 51 and the output port 52 respectively, and the temperature control jacket 5 can pass heating or cooling medium (such as steam, hot water, cooling water, frozen brine and the like);

[0036] Through the setting of the filter cartridge 61, the isolation plate 62, the flow-through groove 63, the filter groove 64, the filter plate 65 and the connecting pipe two 66, the connecting pipe two 66 is connected with the external methanol supply equipment, the methanol flows through the connecting pipe two 66, the flow-through groove 63, the filter groove 64 and the center inlet pipe 2 in sequence, and enters into the shell 1 through the center inlet pipe 2, when flowing through the filter groove 64, the methanol flowing through is filtered through the filter plate 65 arranged, and the fixed particles and organic impurities in the methanol are removed, the filtered methanol is more pure, and the mixing with oxygen is more uniform, which is beneficial to the uniform reaction and improves the reaction efficiency, meanwhile, the removal of the impurities in the methanol can reduce the pollution and poisoning of the catalyst, prolong the service life of the catalyst, and when used for a long time, the filter screen 652 can be taken out through the annular groove 653, the filter screen 652 is conveniently taken out and replaced, the replacement time is saved, and the work efficiency is improved.

[0037] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A novel methanol oxidizer comprising a housing (1), characterized in that: The shell (1) is movably installed with a central air inlet pipe (2) at the upper center position, one end of the central air inlet pipe (2) extends into the shell (1) and is provided with a uniform distribution piece (3), the uniform distribution piece (3) comprises a uniform distribution pipe (31), air inlet holes (32) and a connecting pipe (33), the uniform distribution pipe (31) is arranged in an array around the central air inlet pipe (2), the air inlet holes (32) are uniformly distributed on the side wall of the uniform distribution pipe (31), the central air inlet pipe (2) and the uniform distribution pipe (31) are connected through the connecting pipe (33), the central air inlet pipe (2), the uniform distribution pipe (31) and the connecting pipe (33) are all hollow, the shell (1) is provided with a driving piece (4) at the upper end, the driving piece (4) drives the central air inlet pipe (2) to rotate, the shell (1) is provided with a temperature control jacket (5) outside, the temperature control jacket (5) is provided with an input port (51) and an output port (52) on the side wall respectively, a feeding pipe (11) is fixedly installed at the upper end edge position of the shell (1), the shell (1) is provided with a pressure gauge (12) at the upper end, a discharging pipe (13) is fixedly installed at the lower center position of the shell (1), the central air inlet pipe (2) is provided with a filter piece (6) at the upper end, the filter piece (6) filters the medium flowing through, the shell (1) is provided with a catalyst layer (7) inside, the catalyst layer (7) is arranged in an array in the shell (1).

2. A novel methanol oxidizer as claimed in claim 1, wherein: The driving piece (4) comprises a driving motor (41), a driving gear (42) and a driven gear (43), the driving motor (41) is fixedly installed on the upper end of the shell (1), the driving motor (41) is fixedly installed with the driving gear (42) on the output end, the driven gear (43) is sleeved outside the central air inlet pipe (2), and the driving gear (42) and the driven gear (43) are engaged.

3. A novel methanol oxidizer as claimed in claim 1, wherein: The filter piece (6) comprises a filter cylinder (61), an insulation plate (62), a flow-through groove (63), a filter groove (64), a filter plate (65) and a connecting pipe (66), the filter cylinder (61) is fixedly installed on the upper end of the central air inlet pipe (2), the flow-through groove (63) is formed through the side wall of the filter cylinder (61), the flow-through groove (63) is arranged in a circumferential array, the filter groove (64) is formed on the upper end of the filter cylinder (61), the filter groove (64) is arranged in a ring shape, the filter plate (65) is inserted into the filter groove (64), the connecting pipe (66) is fixedly installed on the upper end of the filter cylinder (61), the insulation plate (62) is fixedly installed in the filter cylinder (61), and the connecting pipe (33) and the central air inlet pipe (2) are connected through the flow-through groove (63).

4. A novel methanol oxidizer according to claim 3, characterized in that: The filter plate (65) comprises a handle end (651) and a filter screen (652) and an annular groove (653), the filter screen (652) is fixedly installed at the lower end of the handle end (651), the annular groove (653) is arranged at the upper end of the handle end (651), and the handle end (651) is flush with the upper end surface of the filter cylinder (61).

5. A novel methanol oxidizer as claimed in claim 1, wherein: The shell (1) comprises an arc-shaped head (14), a lower shell base (15) and support legs (16), the arc-shaped head (14), the lower shell base (15) and the support legs (16) are sequentially and fixedly arranged from top to bottom, the support legs (16) are uniformly arranged at the lower end of the lower shell base (15) in a circumferential direction, and the support legs (16) comprise support rods (161) and bases (162), the bases (162) are fixedly installed at the lower ends of the support rods (161), and the upper ends of the support rods (161) are fixedly installed at the lower end of the lower shell base (15).

6. A novel methanol oxidizer according to claim 5, characterized in that: An inner bottom wall of the lower shell base (15) is provided with a discharge ramp (8), and the discharge ramp (8) is arranged to be inclined downward towards the discharge pipe (13).

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