A new type of waste mercury-free catalyst recovery device

Abstract

The utility model discloses a novel waste mercury-free catalyst recovery device, comprising a low-temperature preheating furnace, one end of the low-temperature preheating furnace is penetrated with a feed port, the other end of the low-temperature preheating furnace is penetrated with a high-temperature recovery furnace, the other end of the high-temperature recovery furnace is connected with a cooling furnace, the upper end of the low-temperature preheating furnace is penetrated with a second exhaust pipe, the upper end of the high-temperature recovery furnace is penetrated with a first absorption pipe, the other end of the high-temperature recovery furnace is penetrated with a second absorption pipe, the upper end of the cooling furnace is penetrated with the first exhaust pipe, the device adopts a horizontal rotary recovery furnace, adopts a continuous feeding method, a single bucket is charged with 150 kilograms of material, utilizes the slope and rotation of the recovery furnace, passes through the preheating section, the high-temperature section and the cooling section of the recovery furnace in sequence, and finally recovers copper metal, the whole device has good recovery effect and high recovery efficiency, and can greatly improve the recovery efficiency of the whole waste mercury-free catalyst recovery device.

Description

Technical Field

[0001] The utility model relates to the technical field of waste mercury-free catalyst recovery, in particular to a novel waste mercury-free catalyst recovery device. Background Art

[0002] The effect of a catalyst in a chemical reaction is called catalysis. In industry, a catalyst is also called a catalyst. The composition, chemical properties and quality of the catalyst itself do not change before and after the reaction. Its relationship with the reaction system is like the relationship between a lock and a key. It has a high degree of selectivity (or specificity). One catalyst does not have a catalytic effect on all chemical reactions. For example, manganese dioxide catalyzes the thermal decomposition of potassium chlorate and accelerates the rate of chemical reactions.

[0003] Waste catalyst is an industrial catalyst with activated carbon as carrier and mercuric chloride as catalytic medium, which is mainly used in the synthesis industry of vinyl chloride monomer. A large amount of waste catalyst is generated in my country every year, which leads to a large amount of environmental pollution and a large amount of waste of chemical raw materials, especially mercury resources. The existing mercury-free catalyst is difficult to recycle during the production process. The inability to recycle causes serious waste of resources, increases the production cost of enterprises, and easily affects the surrounding environment. Utility Model Content

[0004] The utility model aims to provide a novel waste mercury-free catalyst recovery device, which solves the problem in the prior art that the mercury-free catalyst is difficult to be recovered during the production process, which causes serious waste of resources.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel waste mercury-free catalyst recovery device, comprising a low-temperature preheating furnace, one end of which is penetrated by a feed port, the other end of which is penetrated by a high-temperature recovery furnace, the other end of which is connected to a cooling furnace, and the upper end of which is penetrated by a second exhaust pipe;

[0006] A first absorption pipeline is provided through one upper end of the high-temperature recovery furnace, a second absorption pipeline is provided through the other upper end of the high-temperature recovery furnace, and a first exhaust pipeline is provided through the upper end of the cooling furnace.

[0007] As a further description of the above technical solution: a discharge port is provided through the other end of the cooling furnace.

[0008] As a further description of the above technical solution: the outer end of the low-temperature preheating furnace is fixedly connected to a first fixing member, and the outer end of the first fixing member is fixedly connected to a first rotating ring.

[0009] As a further description of the above technical solution: a rotating seat is rotatably connected to the lower part of the first rotating ring, and a first fixed seat is fixedly connected to the outer end of the rotating seat.

[0010] As a further description of the above technical solution: the first two ends above the first fixing seat are fixedly connected with a first driving motor, the output end of the first driving motor is fixedly connected with a first rotating roller, and the first rotating roller is in contact with the first rotating ring.

[0011] As a further description of the above technical solution: the connecting end of the high-temperature recovery furnace and the cooling furnace is fixedly connected with a second fixing member, and the outer end of the second fixing member is fixedly connected with a second rotating ring.

[0012] As a further description of the above technical solution: a second fixed seat is correspondingly arranged at the lower end of the second rotating ring, the upper two ends of the second fixed seat are fixedly connected with a second driving motor, the output end of the second driving motor is fixedly connected with a second rotating roller, and the second rotating roller is in contact with the second rotating ring.

[0013] The utility model has the following beneficial effects:

[0014] Compared with the prior art, the novel waste mercury-free catalyst recovery device adopts a horizontal rotary recovery furnace and a continuous feeding method. A single bucket is charged with 150 kg of material. The recovery furnace slope and rotation are utilized to sequentially pass through the preheating section, high temperature section and cooling section of the recovery furnace, and finally copper metal is recovered. The entire device has a good recovery effect and high recovery efficiency, and can greatly improve the recovery efficiency of the entire waste mercury-free catalyst recovery device.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the first rotating ring of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the second rotating ring of the utility model.

[0020] Legend:

[0021] 1. Feed inlet; 2. Low-temperature preheating furnace; 3. High-temperature recovery furnace; 4. Cooling furnace; 5. Discharge port; 6. First exhaust pipe; 7. First absorption pipe; 8. Second absorption pipe; 9. First fixing piece; 10. Second exhaust pipe; 11. First rotating ring; 12. First drive motor; 13. Rotating seat; 14. First fixing seat; 15. First rotating roller; 16. Second fixing piece; 17. Second rotating ring; 18. Second drive motor; 19. Second fixing seat; 20. Second rotating roller. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1-3 The utility model provides an embodiment of a novel waste mercury-free catalyst recovery device, comprising a low-temperature preheating furnace 2, one end of the low-temperature preheating furnace 2 is penetrated with a feed port 1, and the waste mercury-free catalyst can be fed into the interior of the low-temperature preheating furnace 2 through the feed port 1, the other end of the low-temperature preheating furnace 2 is penetrated with a high-temperature recovery furnace 3, and the other end of the high-temperature recovery furnace 3 is connected with a cooling furnace 4, and the upper end of the low-temperature preheating furnace 2 is penetrated with a second exhaust pipe 10, and the temperature inside the low-temperature preheating furnace 2 is controlled at 200-450°C by using an electric heating wire. After the material enters, it stays in the interior of the low-temperature preheating furnace 2 for about 90 minutes, and the low-boiling substances (acetylene, nitrogen, hydrogen chloride) volatilized in the preheating section are collected by the second exhaust pipe 10;

[0024] A first absorption pipe 7 is provided through one end of the upper part of the high-temperature recovery furnace 3, a second absorption pipe 8 is provided through the other end of the upper part of the high-temperature recovery furnace 3, a first exhaust pipe 6 is provided through the upper end of the cooling furnace 4, a discharge port 5 is provided through the other end of the cooling furnace 4, the temperature of the high-temperature recovery furnace 3 is controlled at 1100-1400°C, at which temperature all components in the waste mercury-free catalyst are volatilized, the high-temperature recovery furnace 3 is externally connected to an absorption pipe and a cooler, the gas volatilized from the high-temperature section is cooled by the cooler to recover the metal compound, the waste mercury-free catalyst stays in the high-temperature recovery furnace 3 for about 150 minutes, the material after high-temperature treatment continues to enter the cooling furnace 4 (the dust generated in the cooling section is collected through the first exhaust pipe 6), the temperature inside the cooling furnace 4 is controlled below 300°C, the cooling time is about 30 minutes, the cooled material is sent out through the discharge port 5, and collected after cooling to room temperature;

[0025] The outer end of the low-temperature preheating furnace 2 is fixedly connected to a first fixing member 9, the outer end of the first fixing member 9 is fixedly connected to a first rotating ring 11, the lower part of the first rotating ring 11 is rotatably connected to a rotating seat 13, the outer end of the rotating seat 13 is fixedly connected to a first fixing seat 14, the upper two ends of the first fixing seat 14 are fixedly connected to a first driving motor 12, the output end of the first driving motor 12 is fixedly connected to a first rotating roller 15, the first rotating roller 15 is in contact with the first rotating ring 11, and the first rotating roller 15 can be driven to rotate by starting the first driving motor 12, and the first rotating ring 11 and the first fixing member 9 on the outer side can be driven to rotate under the action of the first rotating roller 15, so as to realize the rotation operation of the whole recovery device, and the recovery furnace slope and rotation are utilized to sequentially pass through the preheating section, high temperature section and cooling section of the recovery furnace, and finally recover the copper metal, the whole device has good recovery effect and high recovery efficiency, and can greatly improve the recovery efficiency of the whole waste mercury-free catalyst recovery device;

[0026] The connecting end of the high-temperature recovery furnace 3 and the cooling furnace 4 is fixedly connected with a second fixing member 16, the outer end of the second fixing member 16 is fixedly connected with a second rotating ring 17, the lower end of the second rotating ring 17 is correspondingly provided with a second fixing seat 19, the upper two ends of the second fixing seat 19 are fixedly connected with a second driving motor 18, the output end of the second driving motor 18 is fixedly connected with a second rotating roller 20, the second rotating roller 20 is in contact with the second rotating ring 17, and the second rotating roller 20 can be driven to rotate by starting the second driving motor 18. Similarly, the second rotating ring 17 and the furnace body can be driven to rotate under the action of the second rotating roller 20, and the two rotating components cooperate with each other to improve their stability during rotation.

[0027] Working principle: The horizontal recovery furnace adopts electric heating, and uses electric heating wire to control the temperature inside the low-temperature preheating furnace 2 at 200-450℃. After the material enters, it stays inside the low-temperature preheating furnace 2 for about 90 minutes. The low-boiling substances (acetylene, nitrogen, hydrogen chloride) volatilized in the preheating section are collected by the second exhaust pipe 10, and then the waste mercury-free catalyst passing through the low-temperature preheating furnace is transported to the high-temperature recovery furnace 3. The temperature of the high-temperature recovery furnace 3 is controlled at 1100-1400℃. At this temperature, all components in the waste mercury-free catalyst are volatilized. The high-temperature recovery furnace 3 is externally connected to an absorption pipe and a cooler. The gas volatilized from the high-temperature section is cooled by the cooler to recover the metal compound. The waste mercury-free catalyst stays in the high-temperature recovery furnace 3 for about 150 minutes. The material after high-temperature treatment continues to enter the cooling furnace 4 (the dust generated in the cooling section is collected through the first exhaust pipe 6). The temperature inside the cooling furnace 4 is controlled below 300℃, and the cooling time is about 30 minutes. The cooled material is sent out through the discharge port 5 and collected after cooling to room temperature.

[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. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A novel waste mercury-free catalyst recovery device, comprising a low-temperature preheating furnace (2), characterized in that: A feed port (1) is provided through one end of the low-temperature preheating furnace (2), a high-temperature recovery furnace (3) is provided through the other end of the low-temperature preheating furnace (2), the other end of the high-temperature recovery furnace (3) is connected to a cooling furnace (4), and a second exhaust pipe (10) is provided through the upper end of the low-temperature preheating furnace (2); A first absorption pipe (7) is provided through one upper end of the high-temperature recovery furnace (3), a second absorption pipe (8) is provided through the other upper end of the high-temperature recovery furnace (3), and a first exhaust pipe (6) is provided through the upper end of the cooling furnace (4).

2. A novel waste mercury-free catalyst recovery device according to claim 1, characterized in that: A discharge port (5) is provided through the other end of the cooling furnace (4).

3. A novel waste mercury-free catalyst recovery device according to claim 1, characterized in that: A first fixing member (9) is fixedly connected to the outer end of the low-temperature preheating furnace (2), and a first rotating ring (11) is fixedly connected to the outer end of the first fixing member (9).

4. A novel waste mercury-free catalyst recovery device according to claim 3, characterized in that: A rotating seat (13) is rotatably connected to the lower portion of the first rotating ring (11), and a first fixed seat (14) is fixedly connected to the outer end of the rotating seat (13).

5. A novel waste mercury-free catalyst recovery device according to claim 4, characterized in that: The first driving motor (12) is fixedly connected to the upper two ends of the first fixing seat (14), the output end of the first driving motor (12) is fixedly connected to the first rotating roller (15), and the first rotating roller (15) is in contact with the first rotating ring (11).

6. A novel waste mercury-free catalyst recovery device according to claim 1, characterized in that: A second fixing member (16) is fixedly connected to the connecting end of the high-temperature recovery furnace (3) and the cooling furnace (4), and a second rotating ring (17) is fixedly connected to the outer end of the second fixing member (16).

7. A novel waste mercury-free catalyst recovery device according to claim 6, characterized in that: A second fixed seat (19) is correspondingly provided at the lower end of the second rotating ring (17), and the upper two ends of the second fixed seat (19) are fixedly connected to a second drive motor (18), and the output end of the second drive motor (18) is fixedly connected to a second rotating roller (20), and the second rotating roller (20) is in contact with the second rotating ring (17).

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