Heterogeneous catalytic oxidation reactor device

Abstract

The utility model relates to the field of reactor devices, in particular to a heterogeneous catalytic oxidation reactor device which comprises a reaction tower and an eduction tube, an eduction tube for intercepting fine particles is mounted at the lower end of the reaction tower; according to the utility model, the oxidation reaction is carried out in the reaction tower, after the reaction is completed, the catalyst is led out through the lead-out pipe, meanwhile, the filter membrane below the lead-out pipe intercepts fine particles generated by abrasion of the catalyst, and after all substances in the reaction tower are led out, the filter membrane is detached, so that the filter membrane can be reused. The filter structure is additionally arranged, so that catalyst particles are effectively intercepted, a large amount of catalyst is prevented from being lost along with reaction products or effluents, the supplementing frequency and the using amount of the catalyst are reduced, the cost for purchasing the catalyst is saved, and the economic benefit is increased. Meanwhile, abrasion and blockage of catalyst particles to internal components, pipelines and the like of the reactor are reduced, and the occurrence rate of equipment failures is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to reactor device field especially relates to heterogeneous catalytic oxidation reactor device. BACKGROUND

[0002] Heterogeneous catalytic oxidation reaction refers to the oxidation reaction between two or more phases under the action of catalyst, usually involving the reaction between gas phase, liquid phase and solid phase, taking the heterogeneous Fenton catalytic oxidation in common wastewater treatment as an example, the refractory pollutant and hydrogen peroxide molecule first diffuse to the active center of high-efficiency catalyst surface and are adsorbed, then hydrogen peroxide generates a large number of hydroxyl radicals under the catalysis of high-activity catalyst, thereby initiating free radical oxidation degradation of organic matter, and the degradation products are mainly water, carbon dioxide and inorganic salt etc.

[0003] The existing reactor in the running process, especially in the case of fluid strong flow or stirring, the catalyst particles and the wall, stirring paddle and other components and the mutual collision between particles, easy to cause the attrition of catalyst, the fine particles produced by attrition can be discharged from the reactor with fluid, resulting in catalyst loss, not only increases the cost, but also may affect the subsequent process or cause environmental pollution.

[0004] Therefore, in view of the above-mentioned existing reactor device in the catalyst will collide with components and particles, cause the attrition of catalyst, and the fine particles produced by attrition can be discharged from the reactor with fluid, resulting in catalyst loss, can design heterogeneous catalytic oxidation reactor device, add filter structure on the device, intercept the fine particles produced by attrition, avoid catalyst loss. UTILITY MODEL CONTENTS

[0005] In order to overcome the existing reactor device in the catalyst will collide with components and particles, cause the attrition of catalyst, and the fine particles produced by attrition can be discharged from the reactor with fluid, resulting in catalyst loss.

[0006] The technical scheme of the utility model is: heterogeneous catalytic oxidation reactor device, including the reaction tower and the lead-out pipe, the reaction tower lower end is installed with the lead-out pipe for intercepting fine particles, the lead-out pipe lower edge is equipped with annular clamping groove, the lead-out pipe lower side is equipped with the installation ring plate, the installation ring plate upper end edge is equipped with annular clamping plate with annular clamping groove corresponding installation, annular clamping plate drives installation ring plate and lead-out pipe positioning clamping along annular clamping groove, annular clamping plate is equipped with multiple sets of mounting studs around, the installation ring plate inboard is equipped with filter membrane.

[0007] Preferably, the oxidation reaction is carried out in the reaction tower, after the reaction is completed, the reaction is carried out through the export pipe, at the same time, the filter membrane below the export pipe will intercept the fine particles generated by the catalyst abrasion, when the material in the reaction tower is completely exported, the filter membrane is disassembled, and the fine particles intercepted by the filter membrane are collected and reused, avoiding the loss of the catalyst.

[0008] As preferred, a circular cover is arranged above the reaction tower, a guide pipe is arranged at the upper end edge of the circular cover, and a flow meter is arranged outside the guide pipe.

[0009] As preferred, a first telescopic valve is arranged at the connection between the guide pipe and the circular cover, and a first electromagnetic control valve is arranged outside one side of the first telescopic valve.

[0010] As preferred, a rotating column is arranged in the middle of the circular cover, a rotating motor is arranged at the upper end of the rotating column, and a plurality of stirring rods are arranged in a linear ring outside the rotating column.

[0011] As preferred, a catalyst interception plate is arranged inside the reaction tower below the rotating column, and an operation panel is arranged outside the reaction tower.

[0012] As preferred, a second telescopic valve is arranged at the connection between the guide pipe and the reaction tower, and a second electromagnetic control valve is arranged outside one side of the second telescopic valve.

[0013] As preferred, a mounting nut is arranged outside the mounting stud.

[0014] The oxidation reaction is carried out in the reaction tower, after the reaction is completed, the reaction is carried out through the export pipe, at the same time, the filter membrane below the export pipe will intercept the fine particles generated by the catalyst abrasion, when the material in the reaction tower is completely exported, the filter membrane is disassembled, and the fine particles intercepted by the filter membrane are collected and reused, avoiding the loss of the catalyst, by adding the filtering structure, the catalyst particles are effectively intercepted, the loss of the catalyst with the reaction product or effluent is avoided, the frequency and usage amount of the catalyst supplement are reduced, thereby the cost of purchasing the catalyst is saved, the abrasion and blockage of the catalyst particles to the internal components of the reactor and the pipeline are reduced, the incidence of equipment failure is reduced, thereby the cost and downtime of equipment maintenance and component replacement are reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall structure schematic diagram of the oxidation reactor device is shown.

[0016] Figure 2 The guide pipe structure schematic diagram of the oxidation reactor device is shown.

[0017] Figure 3The utility model discloses a catalyst interception plate structure schematic diagram of the oxidation reactor device is shown.

[0018] Figure 4 The utility model discloses a lead-out pipe structure schematic diagram of the oxidation reactor device is shown.

[0019] Mark explanation: 1, reaction tower, 2, lead-out pipe, 101, round cover, 102, lead-in pipe, 103, first telescopic valve, 104, first electromagnetic control valve, 105, flowmeter, 106, rotation motor, 107, rotation column, 108, stirring rod, 109, catalyst interception plate, 110, operation panel, 201, second telescopic valve, 202, second electromagnetic control valve, 203, annular clamping groove, 204, mounting ring plate, 205, annular clamping plate, 206, mounting stud, 207, mounting nut, 208, filter membrane. Specific embodiments

[0020] The utility model is further explained below in connection with the drawings and examples.

[0021] Please refer to Figures 1-4 The utility model provides a kind of example: heterogeneous catalytic oxidation reactor device, including reaction tower 1 and lead-out pipe 2;Reaction tower 1 lower end is equipped with the lead-out pipe 2 for intercepting fine particles, annular clamping groove 203 is opened in the lower edge of lead-out pipe 2, installation ring plate 204 is equipped with in the lower of lead-out pipe 2, annular clamping plate 205 is installed on the upper end edge of installation ring plate 204 with annular clamping groove 203 corresponding, annular clamping plate 205 drives installation ring plate 204 along annular clamping groove 203 and lead-out pipe 2 positioning clamping, multiple groups of mounting stud 206 are passed in on annular clamping plate 205, filter membrane 208 is installed in the inside of installation ring plate 204.

[0022] Please refer to Figures 2-3In the embodiment, the reaction tower 1 is provided with a circular cover 101, a guide pipe 102 is installed at the upper end edge of the circular cover 101, a flow meter 105 (the model of the flow meter 105 is DN15-DN1800) is arranged outside the guide pipe 102, the flow meter 105 is used to control the amount of various phases and catalysts entering the reaction tower 1, a first telescopic valve 103 is arranged at the connection position of the guide pipe 102 and the circular cover 101, a first electromagnetic control valve 104 (the model of the first electromagnetic control valve 104 is AD-8A-N-G1) is installed at one side outside the first telescopic valve 103, the first telescopic valve 103 is gradually opened under the control of the first electromagnetic control valve 104 and the operation of an operation panel 110, so as to control the flow rate, a rotating column 107 is installed in the middle of the circular cover 101, a rotating motor 106 is installed at the upper end of the rotating column 107, a plurality of stirring rods 108 are linearly arranged around the rotating column 107, the rotating column 107 drives the stirring rods 108 to rotate under the drive of the rotating motor 106, so as to fully mix the materials, a catalyst interception plate 109 is arranged below the rotating column 107 in the inside of the reaction tower 1, and the operation panel 110 is arranged outside the reaction tower 1, the catalyst interception plate 109 is used to prevent the loss of catalysts.

[0023] Please refer to Figure 4 In the embodiment, the guide pipe 2 is provided with a second telescopic valve 201 at the connection position of the guide pipe 2 and the reaction tower 1, a second electromagnetic control valve 202 is installed at one side outside the second telescopic valve 201, the second telescopic valve 201 is gradually opened under the control of the second electromagnetic control valve 202, a mounting screw 206 is provided with a mounting nut 207, the mounting screw 206 is positioned and connected through the guide pipe 2 and the annular clamping plate 205, and then the mounting nut 207 is tightened and fixed.

[0024] In the working process, various phases and catalysts are sequentially transported into the reaction tower 1 through the guide pipe 102, in the process, the first telescopic valve 103 is gradually opened under the control of the first electromagnetic control valve 104 and the operation of the operation panel 110, so as to control the flow rate, the amount of various phases and catalysts entering the reaction tower 1 is controlled through the action of the flow meter 105, after all the materials are completely put in, the first telescopic valve 103 is closed, then the rotating column 107 drives the stirring rods 108 to rotate under the drive of the rotating motor 106, so as to fully mix the materials, and the loss of catalysts is prevented through the action of the catalyst interception plate 109;

[0025] When the reaction is complete, the second telescopic valve 201 is gradually opened by the control of the second electromagnetic control valve 202, so that the substances in the reaction tower 1 are slowly discharged through the discharge pipe 2, and at the same time, the fine particles generated by catalyst abrasion are intercepted by the filter membrane 208. When all the substances are discharged, loosen the mounting nut 207, remove the mounting ring plate 204, collect and reuse the fine particles intercepted by the filter membrane 208 to avoid catalyst loss. After all are removed, the annular clamping plate 205 drives the mounting ring plate 204 to be positioned and clamped along the annular clamping groove 203 and the discharge pipe 2. Then, the mounting stud 206 is positioned and connected through the discharge pipe 2 and the annular clamping plate 205, and then tightened and fixed by the mounting nut 207, so that it can be used again.

[0026] Through the above steps, the oxidation reaction is carried out in the reaction tower 1. After the reaction is complete, the substances are discharged through the discharge pipe 2, and at the same time, the fine particles generated by catalyst abrasion are intercepted by the filter membrane 208. When all the substances in the reaction tower 1 are discharged, remove the filter membrane 208, collect and reuse the fine particles intercepted by the filter membrane 208 to avoid catalyst loss. By adding a filter structure, catalyst particles are effectively intercepted, avoiding the loss of a large amount of catalyst with reaction products or effluents, reducing the frequency and amount of catalyst used, thereby saving the cost of purchasing catalyst. At the same time, the abrasion and blockage of catalyst particles to the internal components of the reactor and the pipeline are reduced, the incidence of equipment failure is reduced, and the cost of equipment maintenance and replacement parts and downtime are reduced, improving production efficiency. To solve the problem that the catalyst in the existing reactor device collides with the components and particles, causing catalyst abrasion, and the fine particles generated by abrasion may be discharged from the reactor with the fluid, resulting in catalyst loss.

Claims

1. A heterogeneous catalytic oxidation reactor apparatus comprising a reactor column (1); characterized in that: The device further comprises a discharge pipe (2); the lower end of the reaction tower (1) is provided with the discharge pipe (2) for intercepting fine particles; an annular clamping groove (203) is formed at the lower edge of the discharge pipe (2); an installation ring plate (204) is arranged below the discharge pipe (2); an annular clamping plate (205) is arranged at the upper end edge of the installation ring plate (204) and corresponds to the annular clamping groove (203); the annular clamping plate (205) drives the installation ring plate (204) to be positioned and clamped along the annular clamping groove (203) and the discharge pipe (2); a plurality of installation studs (206) are arranged around the annular clamping plate (205); and a filter membrane (208) is arranged on the inner side of the installation ring plate (204).

2. The heterogeneous catalytic oxidation reactor apparatus of claim 1, wherein: A circular cover (101) is arranged above the reaction tower (1); a guide pipe (102) is arranged at the upper end edge of the circular cover (101); and a flow meter (105) is arranged outside the guide pipe (102).

3. The heterogeneous catalytic oxidation reactor apparatus of claim 2, wherein: A first telescopic valve (103) is arranged at the connection between the guide pipe (102) and the circular cover (101); and a first electromagnetic control valve (104) is arranged on one side outside the first telescopic valve (103).

4. The heterogeneous catalytic oxidation reactor apparatus of claim 2, wherein: A rotating column (107) is arranged at the middle of the circular cover (101); a rotating motor (106) is arranged at the upper end of the rotating column (107); and a plurality of stirring rods (108) are arranged linearly around the outside of the rotating column (107).

5. The heterogeneous catalytic oxidation reactor apparatus of claim 4, wherein: A catalyst interception plate (109) is arranged below the rotating column (107) on the inner side of the reaction tower (1); and an operation panel (110) is arranged on the outer side of the reaction tower (1).

6. The heterogeneous catalytic oxidation reactor apparatus of claim 1, wherein: A second telescopic valve (201) is arranged at the connection between the discharge pipe (2) and the reaction tower (1); and a second electromagnetic control valve (202) is arranged on one side outside the second telescopic valve (201).

7. The heterogeneous catalytic oxidation reactor apparatus of claim 1, wherein: An installation nut (207) is arranged outside the installation stud (206).

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