Efficient hydrogenation tower for hydrogen peroxide production

Abstract

The utility model discloses an efficient hydrogenation tower for hydrogen peroxide production, which comprises a material dispersing device, the material dispersing device comprises an inlet distributor, the lower surface of the inlet distributor is fixedly connected with a distribution plate, the inner side of a tower body is fixedly connected with a hydrogenation device, the hydrogenation device comprises a catalyst support plate, a catalyst support plate and a catalyst support plate, the lower surface of the catalyst supporting disc is fixedly connected with a cold hydrogen box, the upper surface of the cold hydrogen box is fixedly connected with a cold hydrogen distributor, by arranging the material dispersing device and the distributing disc, materials entering the reactor are evenly dispersed and effectively make contact with catalyst particles, and the scale depositing basket provides a larger flow area for the materials entering the reactor; the catalyst bed layer can gather more rust scales and sediments without excessively increasing the pressure drop of the bed layer, and the hydrogenation device is arranged, so that reaction materials and cold hydrogen playing a cooling role can be fully mixed and uniformly distributed on the catalyst bed layer, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen peroxide production, in particular to a high-efficiency hydrogenation tower for hydrogen peroxide production. Background Art

[0002] Hydrogen peroxide has a wide range of uses, mainly as an oxidant, disinfectant and dechlorinating agent. In light industry, hydrogen peroxide is an important bleaching material, used in various fibers, pulp, leather products, etc. It is also a material for cleaning semiconductors, a liquid for treating metal plating solutions, and a foaming agent for foam plastics and porous building materials.

[0003] The existing hydrogenation tower has a small number of sieve plates, the material cold hydrogen is not mixed evenly, and the material dispersion of the traditional hydrogenation tower is uneven. For example, a Chinese patent discloses "a high-efficiency hydrogenation reactor", and its application number is: "CN201820812059.4", which includes: a hydrogenation reactor body, a hydrogenation reactor base and a stirring device. A raw material inlet is provided at one end of the hydrogenation reactor body, and a reactant outlet is provided at the other end of the hydrogenation reactor body. The device has a small number of sieve plates, the material cold hydrogen is not mixed evenly, and the material dispersion of the traditional hydrogenation tower is uneven, and the applicability is relatively limited. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and provide a high-efficiency hydrogenation tower for hydrogen peroxide production. The device is provided with a material dispersion device, a distribution plate to evenly disperse the material entering the reactor and effectively contact the catalyst particles, and a scale basket to provide more flow area for the material entering the reactor, so that the catalyst bed can accumulate more rust and sediment without causing excessive increase in the pressure drop of the bed. By providing a hydrogenation device, the reaction material and the cold hydrogen for cooling can be fully mixed and evenly distributed to the catalyst bed, thereby improving the working efficiency.

[0005] The utility model also provides a high-efficiency hydrogenation tower for hydrogen peroxide production, comprising: a tower body, a material dispersing device is fixedly connected to the upper surface of the tower body, and the material dispersing device comprises: an inlet distributor, a distribution plate is fixedly connected to the lower surface of the inlet distributor, and a scale basket is fixedly connected to the lower surface of the distribution plate; through the mutual cooperation between the above parts, the distribution plate makes the material entering the reactor evenly dispersed and effectively contacted with the catalyst particles, and the scale basket provides more flow area for the material entering the reactor.

[0006] The inner side of the tower body is fixedly connected with a hydrogenation device, and the hydrogenation device includes: a catalyst support plate, a cold hydrogen box is fixedly connected to the lower surface of the catalyst support plate, a cold hydrogen distributor is fixedly connected to the upper surface of the cold hydrogen box, a cold hydrogen plate is fixedly connected to the lower surface of the cold hydrogen box, a catalyst unloading pipe is fixedly connected to the lower surface of the cold hydrogen plate, the catalyst unloading pipe passes through the cold hydrogen plate and is fixedly connected to the catalyst support plate, and a plurality of penetration holes are opened on the lower surface of the cold hydrogen plate. Through the mutual cooperation between the above parts, the reaction materials and the cold hydrogen for cooling can be fully mixed and evenly distributed to the catalyst bed, thereby improving the working efficiency.

[0007] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, wherein the lower surface of the tower body is fixedly connected with a mounting base, the upper surface of the mounting base is fixedly connected with screws, and the mounting base is fixedly connected to the tower body by screws. The mutual cooperation between the above parts facilitates installation and disassembly.

[0008] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, wherein the upper surface of the inlet distributor is fixedly connected with a reaction product inlet, and an opening is provided at one end of the reaction product inlet. Through the mutual cooperation between the above parts, the hydrogen peroxide raw material mixture can flow through the inlet distributor through the reaction product inlet.

[0009] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, wherein the lower surface of the tower body is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with an outlet collector, and the outer surface of the outlet collector is provided with filtering holes. The above parts cooperate with each other to facilitate the reaction product to flow out from the outlet collector at the bottom of the reactor.

[0010] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, and a thermocouple is fixedly connected to the side surface of the cold hydrogen plate, and the thermocouple penetrates the cold hydrogen box and is fixedly connected to the tower body. Through the mutual cooperation between the above parts, the temperature rise of the bed caused by the hydrogenation exothermic reaction is monitored, and the control temperature is conveniently managed.

[0011] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, wherein the first catalyst bed, the second catalyst bed and the third catalyst bed are fixedly connected to the inner side of the tower body in sequence, and the first catalyst bed, the second catalyst bed and the third catalyst bed are fixedly connected to the lower surface of the cold hydrogen plate. The mutual cooperation between the above parts facilitates effective contact between the material and the catalyst particles.

[0012] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided with a cold hydrogen inlet on the side surface of the tower body, and the side surface of the cold hydrogen inlet is fixedly connected to the cold hydrogen box. Through the mutual cooperation between the above parts, the reaction materials and the cold hydrogen for cooling can be fully mixed.

[0013] According to the utility model, a high-efficiency hydrogenation tower for hydrogen peroxide production is provided, wherein a connecting pipe is fixedly connected to the side surface of the tower body, and a reaction product outlet is provided on one side of the connecting pipe. The mutual cooperation between the above parts facilitates material discharge.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model provides a material dispersion device, a distribution plate to evenly disperse the material entering the reactor and effectively contact the catalyst particles, and a scale basket to provide more flow area for the material entering the reactor, so that the catalyst bed can accumulate more rust and sediment without causing an excessive increase in the pressure drop of the bed. By providing a hydrogenation device, the reaction materials and the cold hydrogen for cooling can be fully mixed and evenly distributed to the catalyst bed, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structure diagram of the high-efficiency hydrogenation tower for hydrogen peroxide production of the utility model;

[0018] Figure 2 This is an internal cross-sectional view of a high-efficiency hydrogenation tower for hydrogen peroxide production according to the utility model;

[0019] Figure 3 This is a structural diagram of a hydrogenation device of a high-efficiency hydrogenation tower for hydrogen peroxide production of the utility model;

[0020] Figure 4 This is a structural diagram of a material dispersion device of a high-efficiency hydrogenation tower for hydrogen peroxide production of the utility model;

[0021] Figure 5 This is a structural diagram of an outlet collector of a high-efficiency hydrogenation tower for hydrogen peroxide production according to the utility model.

[0022] Legend:

[0023] 1. Tower body; 2. Mounting base; 3. Inlet distributor; 4. Reaction product inlet; 5. Distribution plate; 6. Scale basket; 7. Catalyst support plate; 8. Cold hydrogen box; 9. Catalyst unloading pipe; 10. Outlet collector; 11. Cold hydrogen plate; 12. Cold hydrogen distributor; 13. Thermocouple; 14. First catalyst bed; 15. Second catalyst bed; 16. Third catalyst bed; 17. Cold hydrogen inlet; 18. Connecting pipe; 19. Reaction product outlet; 20. Permeation hole; 21. Filter hole; 22. Bottom plate. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5 The utility model embodiment is a high-efficiency hydrogenation tower for hydrogen peroxide production, which includes: a tower body 1, a connecting pipe 18 is fixedly connected to the side surface of the tower body 1, and a reaction product outlet 19 is opened on one side of the connecting pipe 18 for easy discharge, a cold hydrogen inlet 17 is opened on the side surface of the tower body 1, and the side surface of the cold hydrogen inlet 17 is fixedly connected to the cold hydrogen box 8, so that the reaction material and the cold hydrogen for cooling can be fully mixed, the inner side of the tower body 1 is fixedly connected with the first catalyst bed 14, the second catalyst bed 15 and the third catalyst bed 16 in sequence, the first catalyst bed 14, the second catalyst bed 15 and the third catalyst bed 16 are fixedly connected to the lower surface of the cold hydrogen plate 11, so that the material and the catalyst particles are effectively contacted, the lower surface of the tower body 1 is fixedly connected with a bottom plate 22, the upper surface of the bottom plate 22 is fixedly connected with an outlet collector 10, and the outer surface of the outlet collector 10 is opened. A filtering hole 21 is provided to facilitate the reaction product to flow out from the outlet collector 10 at the bottom of the reactor. A mounting base 2 is fixedly connected to the lower surface of the tower body 1, and a screw is fixedly connected to the upper surface of the mounting base 2. The mounting base 2 is fixedly connected to the tower body 1 by screws, which is convenient for installation and disassembly. A material dispersing device is fixedly connected to the upper surface of the tower body 1. The material dispersing device includes: an inlet distributor 3, a reaction product inlet 4 is fixedly connected to the upper surface of the inlet distributor 3, and an opening is provided at one end of the reaction product inlet 4 to facilitate the hydrogen peroxide raw material mixture to flow through the inlet distributor 3 through the reaction product inlet 4. A distribution plate 5 is fixedly connected to the lower surface of the inlet distributor 3, and a scale basket 6 is fixedly connected to the lower surface of the distribution plate 5. The distribution plate 5 makes the material entering the reactor evenly dispersed and effectively contacted with the catalyst particles, and the scale basket 6 provides more flow area for the material entering the reactor.

[0026] A hydrogenation device is fixedly connected to the inner side of the tower body 1, and the hydrogenation device includes: a catalyst support plate 7, a cold hydrogen box 8 is fixedly connected to the lower surface of the catalyst support plate 7, a cold hydrogen distributor 12 is fixedly connected to the upper surface of the cold hydrogen box 8, a cold hydrogen plate 11 is fixedly connected to the lower surface of the cold hydrogen box 8, a thermocouple 13 is fixedly connected to the side surface of the cold hydrogen plate 11, the thermocouple 13 penetrates the cold hydrogen box 8 and is fixedly connected to the tower body 1, monitors the increase in bed temperature caused by the hydrogenation exothermic reaction, and is convenient for managing the control temperature, a catalyst unloading pipe 9 is fixedly connected to the lower surface of the cold hydrogen plate 11, the catalyst unloading pipe 9 penetrates the cold hydrogen plate 11 and is fixedly connected to the catalyst support plate 7, and a plurality of penetration holes 20 are opened on the lower surface of the cold hydrogen plate 11, which can fully mix the reaction materials and the cold hydrogen for cooling, and evenly distribute them to the catalyst bed, thereby improving work efficiency.

[0027] Working principle: When using this device, first, the hydrogen peroxide raw material mixture flows through the reaction product inlet 4 and flows through the inlet distributor 3. The material entering the reactor is evenly dispersed through the distribution plate 5 and effectively contacts the catalyst particles. The scale basket 6 provides more flow area for the material entering the reactor, so that the catalyst bed can accumulate more rust and sediment without causing excessive increase in bed pressure drop. From top to bottom, it passes through the first catalyst bed 14, the second catalyst bed 15 and the third catalyst bed 16, and completes the hydrocracking reaction under the catalytic action of the catalyst. The reaction material and the cold hydrogen for cooling can be fully mixed and evenly distributed on the catalyst bed, thereby improving the working efficiency. Finally, the reaction product flows out from the reaction product outlet 19 at the bottom of the reactor.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An efficient hydrogenation tower for hydrogen peroxide production, characterized in that: include: A tower body (1), wherein the upper surface of the tower body (1) is fixedly connected to a material dispersing device, wherein the material dispersing device comprises: an inlet distributor (3), wherein the lower surface of the inlet distributor (3) is fixedly connected to a distribution plate (5), and the lower surface of the distribution plate (5) is fixedly connected to a dirt collection basket (6); A hydrogenation device is fixedly connected to the inner side of the tower body (1), and the hydrogenation device comprises: a catalyst support plate (7), a cold hydrogen box (8) is fixedly connected to the lower surface of the catalyst support plate (7), a cold hydrogen distributor (12) is fixedly connected to the upper surface of the cold hydrogen box (8), a cold hydrogen plate (11) is fixedly connected to the lower surface of the cold hydrogen box (8), a catalyst unloading pipe (9) is fixedly connected to the lower surface of the cold hydrogen plate (11), the catalyst unloading pipe (9) passes through the cold hydrogen plate (11) and is fixedly connected to the catalyst support plate (7), and a plurality of penetration holes (20) are provided on the lower surface of the cold hydrogen plate (11).

2. A high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: The lower surface of the tower body (1) is fixedly connected to a mounting base (2), the upper surface of the mounting base (2) is fixedly connected to screws, and the mounting base (2) is fixedly connected to the tower body (1) via the screws.

3. A high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: A reaction product inlet (4) is fixedly connected to the upper surface of the inlet distributor (3), and an opening is formed at one end of the reaction product inlet (4).

4. A high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: The lower surface of the tower body (1) is fixedly connected to a bottom plate (22), the upper surface of the bottom plate (22) is fixedly connected to an outlet collector (10), and the outer surface of the outlet collector (10) is provided with filtering holes (21).

5. A high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: A thermocouple (13) is fixedly connected to the side surface of the cold hydrogen plate (11), and the thermocouple (13) passes through the cold hydrogen box (8) and is fixedly connected to the tower body (1).

6. The high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: A first catalyst bed (14), a second catalyst bed (15) and a third catalyst bed (16) are fixedly connected in sequence to the inner side of the tower body (1), and the first catalyst bed (14), the second catalyst bed (15) and the third catalyst bed (16) are fixedly connected to the lower surface of the cold hydrogen plate (11).

7. The high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: A cold hydrogen inlet (17) is provided on the side surface of the tower body (1), and the side surface of the cold hydrogen inlet (17) is fixedly connected to the cold hydrogen box (8).

8. The high-efficiency hydrogenation tower for hydrogen peroxide production according to claim 1, characterized in that: A connecting pipe (18) is fixedly connected to the side surface of the tower body (1), and a reaction product outlet (19) is provided on one side of the connecting pipe (18).

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