Copper pyrogenic smelting device for solid waste treatment

Abstract

The utility model belongs to the technical field of solid waste treatment, and discloses a copper pyrogenic process smelting device for solid waste treatment, which comprises a smelting furnace body, the side surface of the smelting furnace body is provided with feed ports which are correspondingly arranged up and down, the position corresponding to the feed ports is provided with a material injection assembly, and the material injection assembly comprises a buffer stock bin. The bottom of the buffer stock bin is provided with a discharge port, the discharge port is connected with a material guide pipe, the material guide pipe is connected with a material guide port corresponding to the feed port, and the material guide port is slidably attached to the feed port. Different materials are added from different heights, and the materials with higher density are added from a lower feeding hole, so that the materials are closer to a high-temperature area in the furnace, and rapid melting is facilitated; materials which are low in density or need to be preheated are added from a high feeding port, the materials are preheated in the falling process, and the smelting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solid waste treatment technical field, specifically a copper fire smelting device for solid waste treatment. BACKGROUND

[0002] With the rapid development of industry and the improvement of social living standards, the production of various solid wastes is showing a rapid growth trend, among which, copper-containing solid waste is widely sourced, covering electronic waste (such as waste circuit boards, waste wires and cables, etc.), waste slag generated by metallurgical industry, copper-containing sludge in chemical production process, etc. If these copper-containing solid wastes are not properly treated and directly discharged or stored, not only a large amount of valuable land resources will be occupied, but also serious pollution to soil, water and atmospheric environment will be caused.

[0003] The copper fire smelting device for solid waste treatment is a device for treating copper-containing solid waste, which extracts copper and other valuable metals therefrom by high-temperature smelting. The smelting furnace is the core component thereof. In the prior art, the feed inlet of the smelting furnace is single, and its height is fixed. Different density or preheating materials can be put in, which affects the efficiency of smelting.

[0004] Therefore, a copper fire smelting device for solid waste treatment is proposed to solve the above problems. INVENTION CONTENTS

[0005] To solve the problems in the above background art, the utility model provides a copper fire smelting device for solid waste treatment, which has the advantages of adding materials with larger density from lower feed inlet, making them closer to the high-temperature zone in the furnace, which is beneficial to rapid melting; adding materials with smaller density or needing preheating from higher feed inlet, preheating them during falling, and improving the smelting efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a copper fire smelting device for solid waste treatment, comprising a smelting furnace body, the smelting furnace body is provided with feed inlets arranged correspondingly in up and down directions on the side surface, and the positions corresponding to the feed inlets are provided with material injection assemblies;

[0007] The material injection assembly comprises a buffer bin, the bottom of the buffer bin is provided with a discharge outlet, the discharge outlet is connected with a material guide pipe, the material guide pipe is connected with a material guide opening corresponding to the feed inlet, the material guide opening is slidably attached to the feed inlet, and the buffer bin is connected with a lifting assembly.

[0008] Preferably, the smelting furnace body is provided with a copper outlet and a slag outlet at the corresponding positions respectively, and the top of the smelting furnace body is connected with a smoke exhaust pipe.

[0009] Preferably, a stirring assembly is arranged in the buffer bin, the stirring assembly comprising a stirring motor arranged on the outer wall of the buffer bin, and a stirring shaft connected to the output end of the stirring motor and extending into the buffer bin, and a stirring rod arranged on the stirring shaft in the buffer bin.

[0010] Preferably, the lifting assembly comprises a fixing ring fixed to the outer wall of the buffer bin, a lifting support fixedly connected to the fixing ring, and a lifting block fixedly connected to the lifting support, and a lead screw and a positioning slide rod movably connected to the lifting block, and a lifting motor connected to the bottom end of the lead screw.

[0011] Preferably, threaded holes and positioning slide holes are respectively formed in the lifting block, the threaded holes are threadedly connected to the lead screw, and the positioning slide rod passes through the positioning slide holes.

[0012] Preferably, supports are fixedly connected to the two ends of the positioning slide rod, the top end of the lead screw is rotatably connected to the support through a bearing, the bottom end of the lead screw penetrates through the support, and the lifting motor is mounted on the support.

[0013] Preferably, a connecting frame is fixedly connected to the support, and the smelting furnace body is fixedly connected to the connecting frame.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. The present application sets the feeding port at different heights of the smelting furnace, adds different materials from different heights according to the characteristics of the materials and the requirements of the smelting process, adds the materials with larger density from the lower feeding port to make them closer to the high-temperature area in the furnace, which is beneficial to rapid melting, and adds the materials with smaller density or needing preheating from the higher feeding port to preheat them during the falling process, thereby improving the smelting efficiency.

[0016] 2. The present application sets the buffer bin at the position of the feeding port, the capacity of which can be designed according to the production capacity of the smelting furnace and the feeding frequency, the buffer bin can store a certain amount of materials, the materials in the buffer bin can continue to be supplied when the feeding system has a temporary fault or the feeding is not timely, thereby ensuring the continuity of the smelting process and avoiding the influence of the smelting effect due to the interruption of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the present application;

[0018] Figure 2 It is a structure schematic view of the material injection assembly of the present application;

[0019] Figure 3 It is a structure schematic view of the stirring assembly of the present application;

[0020] Figure 4 It is a structure schematic view of the lifting assembly of the utility model;

[0021] Figure 5 It is a structure schematic view of the lifting block of the utility model.

[0022] In the drawing: 1, smelting furnace body; 2, feed inlet;

[0023] 3, injection assembly; 31, buffer bin; 32, discharge port; 33, material guide pipe; 34, material guide port;

[0024] 4, lifting assembly; 41, fixed ring; 42, lifting support; 43, lifting block; 44, lead screw; 45, positioning slide rod; 46, lifting motor; 47, threaded hole; 48, positioning slide hole;

[0025] 5, smoke exhaust duct;

[0026] 6, stirring assembly; 61, stirring motor; 62, stirring shaft; 63, stirring rod;

[0027] 7, support; 8, connecting frame. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] As Figures 1 to 5 shown, the utility model provides a copper fire smelting device for solid waste treatment, including smelting furnace body 1, smelting furnace body 1 side is provided with the feed inlet 2 of corresponding up and down arrangement, the corresponding position of feed inlet 2 is provided with injection assembly 3, by setting feed inlet 2 at different heights of smelting furnace, according to the characteristics of material and the demand of smelting process, different materials are added from different heights, the material with greater density is added from lower feed inlet 2, makes it more close to high temperature area in the furnace, is favorable to fast melting, the material with smaller density or needing preheating is added from higher feed inlet 2, makes it preheats first in the falling process, improves smelting efficiency;

[0030] The injection assembly 3 comprises a buffer bin 31, the bottom of the buffer bin 31 is provided with a discharge port 32, the discharge port 32 is connected with a guide pipe 33, the guide pipe 33 is connected with a guide port 34 corresponding to the feeding port 2, the guide port 34 is slidably attached to the feeding port 2, the buffer bin 31 is connected with a lifting assembly 4, by arranging the buffer bin 31 at the position of the feeding port 2, the capacity of the buffer bin 31 can be designed according to the production capacity of the smelting furnace and the feeding frequency, when the feeding system has a temporary failure or the feeding is not timely, the material in the buffer bin 31 can continue to be supplied, the continuity of the smelting process is ensured, and the smelting effect is not affected due to the interruption of feeding.

[0031] Specifically, the smelting furnace body 1 is provided with a copper outlet and a slag outlet at corresponding positions, respectively, and the top of the smelting furnace body 1 is connected with an exhaust pipe 5.

[0032] Further, the buffer bin 31 is provided with a stirring assembly 6, the stirring assembly 6 comprises a stirring motor 61, the stirring motor 61 is arranged on the outer wall of the buffer bin 31, the output end of the stirring motor 61 is connected with a stirring shaft 62, the stirring shaft 62 extends into the buffer bin 31, and a stirring rod 63 is arranged on the stirring shaft 62 in the buffer bin 31, the stirring assembly 6 can break the accumulation and caking of the material by continuous stirring, so that the material remains in a loose state, the bridging phenomenon is avoided, and the material can continuously and uniformly flow out of the buffer bin 31.

[0033] Still further, the lifting assembly 4 comprises a fixed ring 41 fixed to the outer wall of the buffer bin 31, the fixed ring 41 is fixedly connected with a lifting support 42, the lifting support 42 is fixedly connected with a lifting block 43, the lifting block 43 is movably connected with a lead screw 44 and a positioning slide rod 45, the bottom end of the lead screw 44 is connected with a lifting motor 46, and the buffer bin 31 is controlled to inject material to different feeding ports 2.

[0034] It is worth noting that the lifting block 43 is respectively provided with a threaded hole 47 and a positioning sliding hole 48, the threaded hole 47 is threadedly connected with the lead screw 44, and the positioning slide rod 45 penetrates through the positioning sliding hole 48.

[0035] It is worth noting that the two ends of the positioning slide rod 45 are fixedly connected with a support 7, the top end of the lead screw 44 is rotatably connected with the support 7 through a bearing, the bottom end of the lead screw 44 penetrates through the support 7, and the lifting motor 46 is installed on the support 7 and used for installing the lifting assembly 4.

[0036] It is worth noting that the support 7 is fixedly connected with a connecting frame 8, the connecting frame 8 is fixedly connected with the smelting furnace body 1, and the position of the lifting assembly 4 is fixed.

[0037] The lifting motor 46 and the stirring motor 61 are prior art and will not be described herein; meanwhile, the utility model also comprises a power supply, a controller, a switch and the like, which are not the main technical points of the patent and will not be described herein.

[0038] Working principle and process: solid waste raw materials are conveyed into the buffer bin 31 by the conveying belt, different heights of the feeding port 2 are selected according to the properties of the raw materials, the lifting motor 46 of the lifting assembly 4 is started, then the screw rod 44 rotates, under the action of the threaded hole 47 and the positioning slide rod 45, the lifting block 43 moves along the positioning slide rod 45, then the lifting bracket 42 drives the fixed ring 41 and the buffer bin 31 to move up and down, the material guide port 34 is matched with the corresponding height of the feeding port 2, the discharge port 32 is opened, the raw materials in the buffer bin 31 are guided into the smelting furnace body 1 through the discharge port 32, the material guide pipe 33, the material guide port 34 and the feeding port 2, by setting the feeding port 2 at different heights in the smelting furnace, different materials are added from different heights according to the characteristics of the materials and the needs of the smelting process, the materials with larger density are added from the lower feeding port 2, so that they are closer to the high temperature area in the furnace, which is beneficial to rapid melting, the materials with smaller density or needing preheating are added from the higher feeding port 2, so that they are preheated during the falling process, thereby improving the smelting efficiency, by setting the buffer bin 31 at the position of the feeding port 2, the capacity of the buffer bin 31 can be designed according to the production capacity of the smelting furnace and the feeding frequency, the buffer bin 31 can store a certain amount of materials, when the feeding system has a temporary fault or the feeding is not timely, the materials in the buffer bin 31 can continue to be supplied, thereby ensuring the continuity of the smelting process and avoiding the influence of the smelting effect due to the interruption of feeding.

[0039] 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, 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.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A copper pyrometallurgical smelting device for solid waste treatment, comprising a smelting furnace body (1), characterized in that: The smelting furnace body (1) is provided with feeding ports (2) arranged in correspondence with each other on the side, and the feeding ports (2) are provided with feeding assemblies (3) in correspondence. The feeding assembly (3) comprises a buffer bin (31), the bottom of the buffer bin (31) is provided with a discharge port (32), the discharge port (32) is connected with a guide pipe (33), the guide pipe (33) is connected with a guide port (34) corresponding to the feeding port (2), the guide port (34) is slidably attached to the feeding port (2), and the buffer bin (31) is connected with a lifting assembly (4).

2. The copper pyrometallurgical smelting device for solid waste treatment according to claim 1, characterized in that: Corresponding positions of the smelting furnace body (1) are respectively provided with copper outlets and slag outlets, and the top of the smelting furnace body (1) is connected with an exhaust pipe (5).

3. The copper pyrometallurgical smelting device for solid waste treatment according to claim 1, characterized in that: The buffer bin (31) is provided with a stirring assembly (6), the stirring assembly (6) comprises a stirring motor (61), the stirring motor (61) is arranged on the outer wall of the buffer bin (31), the output end of the stirring motor (61) is connected with a stirring shaft (62), the stirring shaft (62) extends into the buffer bin (31), and the stirring shaft (62) in the buffer bin (31) is provided with a stirring rod (63).

4. The copper pyrometallurgical smelting device for solid waste treatment according to claim 1, characterized in that: The lifting assembly (4) comprises a fixed ring (41) fixed to the outer wall of the buffer bin (31), the fixed ring (41) is fixedly connected with a lifting support (42), the lifting support (42) is fixedly connected with a lifting block (43), the lifting block (43) is movably connected with a lead screw (44) and a positioning slide rod (45), and the bottom end of the lead screw (44) is connected with a lifting motor (46).

5. The copper pyrometallurgical smelting device for solid waste treatment according to claim 4, characterized in that: Threaded holes (47) and positioning slide holes (48) are respectively formed in the lifting block (43), the threaded holes (47) are threadedly connected with the lead screw (44), and the positioning slide rod (45) penetrates through the positioning slide holes (48).

6. The copper pyrometallurgical smelting device for solid waste treatment according to claim 4, characterized in that: Both ends of the positioning slide rod (45) are fixedly connected with a support (7), the top end of the lead screw (44) is rotatably connected with the support (7) through a bearing, the bottom end of the lead screw (44) penetrates through the support (7), and the lifting motor (46) is mounted on the support (7).

7. The copper pyrometallurgical smelting device for solid waste treatment according to claim 6, characterized in that: The support (7) is fixedly connected with a connecting frame (8), and the connecting frame (8) is fixedly connected with the smelting furnace body (1).

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