Deoiling material batching system

Abstract

The utility model discloses a deoiling material batching system which is characterized by comprising a plurality of front stock bins, a rear stock bin, a transmission mechanism and a dust discharge pipeline. The conveying mechanism comprises belt conveyors arranged at the discharging ends of the front stock bins and a converging bin arranged at the discharging ends of the belt conveyors, and a double-spiral mixer is arranged at the discharging end of the converging bin. The utility model relates to the technical field of deoiled material sodium modification, deoiled materials and sodium carbonate are respectively loaded into a front stock bin, are conveyed into a converging bin to be converged through a belt conveyor with a sealing cover, are mixed and stirred by a double-screw mixer to obtain a mixture, enter a rear stock bin to be temporarily stored, and are finally output by a screw conveyor. The whole process is automatically controlled, and the manual intervention degree is greatly reduced. The fully-closed conveying system and the arranged dust discharging pipeline effectively prevent the deoiling materials and the sodium carbonate from generating dust in the conveying and mixing process, the environment quality of a workshop is improved, and the body health of operators is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of sodium deoiling technology, specifically to a deoiling feed formulation system. Background Technology

[0002] In the treatment of spent catalysts, the deoiling furnace produces deoiled feedstock. This feedstock contains a large amount of valuable metal elements, such as molybdenum, vanadium, and nickel, which can be recovered through a further sodium roasting process. Before sodium roasting, the deoiled feedstock needs to be mixed with soda ash to promote the conversion and recovery of the metal elements.

[0003] However, existing mixing methods have many problems. Currently, the mixing process mainly uses metering tanks to measure the deoiled material and soda ash, which are then poured into a mixer for mixing. This method suffers from insufficient precision in the metering tanks, making it difficult to accurately control the amount of deoiled material and soda ash used, thus affecting the mixing effect and the efficiency of subsequent sodium roasting. Furthermore, the existing mixing process requires multiple pours and stirrings, involving numerous steps and consuming a considerable amount of time. The entire mixing process requires a significant amount of manual labor, increasing labor intensity and increasing the risk of uneven mixing due to improper operation. Simultaneously, the deoiled material and soda ash easily generate dust during the mixing process, causing severe environmental pollution in the entire workshop and posing a threat to the health of the operators. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a deoiling material batching system that solves the problems of inaccurate dosage, long processing time, and dust generation when mixing deoiling materials with soda ash.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an oil-removing feed batching system, characterized in that the batching system comprises:

[0006] Multiple front-end and rear-end storage silos; and

[0007] The transmission mechanism includes a belt conveyor located at the discharge end of each pre-loading hopper and a merging hopper located at the discharge end of each belt conveyor. A double-helix mixer is provided at the discharge end of the merging hopper. The wall of the merging hopper has an opening adapted to the discharge end of each belt conveyor, and a sealing cover is provided on the opening, which covers the top of the belt conveyor.

[0008] The batching system also includes a dust removal pipeline, which includes a main pipeline and multiple branch pipelines connected to the main pipeline. Each branch pipeline is connected to the pre-loading silo, the post-loading silo, the sealing cover, and the confluence silo.

[0009] Preferably, there are two pre-loading hoppers and two belt conveyors, which are arranged opposite each other and can be at the same level or one higher and one lower.

[0010] Preferably, each of the pre-loading hoppers is provided with a connecting flange below it, the connecting flange being mounted on a sealing cover and suspended above the belt conveyor.

[0011] Preferably, a valve is provided between the pre-loading hopper and the connecting flange.

[0012] Preferably, each of the front and rear hoppers is provided with a hopper wall vibrator on its outer wall surface.

[0013] Preferably, each of the pre-loading hoppers is equipped with a feeding elevator at its inlet end.

[0014] Preferably, a bucket elevator is provided between the rear hopper and the discharge port of the twin-screw mixer.

[0015] Preferably, the discharge end of the rear hopper is equipped with a screw conveyor.

[0016] Preferably, the feed end of the twin-helix mixer is equipped with a water spray nozzle, and the water spray nozzle is connected to a water supply pipeline.

[0017] Preferably, the confluence chamber is a cone-shaped body that is wider at the top and narrower at the bottom.

[0018] The beneficial effects of this utility model are as follows: By using the deoiling material batching system provided by this utility model, compared with the prior art, the deoiling material and soda ash are separately loaded into the pre-loading silo, conveyed to the merging silo by a belt conveyor with a sealed cover, and then mixed and stirred by a double-screw mixer to obtain a mixed material that is temporarily stored in the post-loading silo and finally output by a screw conveyor. The entire process is automated, greatly reducing the degree of manual intervention. The fully enclosed conveying system and the dust exhaust pipes effectively prevent dust generation during the conveying and mixing of the deoiling material and soda ash, improving the environmental quality of the workshop and protecting the health of the operators. Attached Figure Description

[0019] Figure 1 This is a first-view structural diagram of the batching system of this utility model;

[0020] Figure 2 This is a second-view structural diagram of the ingredient dispensing system of this utility model;

[0021] Figure 3 This is a schematic diagram of the confluence chamber structure of this utility model.

[0022] Explanation of reference numerals in the figure

[0023] 1. Pre-loading silo, 2. Belt conveyor, 3. Combination silo, 4. Double spiral mixer, 5. Sealing cover, 6. Bucket elevator, 7. Rear silo, 8. Screw conveyor, 9. Water spray nozzle, 10. Main pipeline, 11. Branch pipeline. Detailed Implementation

[0024] The technical solutions of the present invention 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 invention, and not all embodiments. Various changes can be made to the implementation scheme as long as the effects of the present invention can be achieved.

[0025] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0026] Reference Figure 1-3 This implementation plan describes one type of deoiling feed batching system.

[0027] The batching system of this embodiment includes multiple front silos 1 and rear silos 7 and a conveying mechanism. Different materials are placed in each front silo 1. After being transported and mixed by the conveying mechanism, the different materials are transported to the rear silos 7 for storage.

[0028] like Figure 1 As shown, there are two pre-loading silos 1 in this embodiment, which are used to store de-oiled materials and soda ash, respectively. In addition, a feed elevator is provided at the feed end of each pre-loading silo 1 to transport the materials on the ground to the two pre-loading silos 1 respectively.

[0029] like Figure 1 As shown, the transmission mechanism in this embodiment includes a belt conveyor 2 located at the discharge end of each pre-loading hopper 1, and a merging hopper 3 located at the discharge end of each belt conveyor 2. A double-spiral mixer 4 is provided at the discharge end of the merging hopper 3. The material in each pre-loading hopper 1 falls onto the belt conveyor 2, and is then transported by the belt conveyor 2 to the merging hopper 3 and falls into the double-spiral mixer 4 for conveying and mixing.

[0030] The wall of the merging chamber 3 has openings that are adapted to the discharge end of each belt conveyor 2. A sealing cover 5 is installed on the opening. The sealing cover 5 covers the top of the belt conveyor 2, which prevents the material from scattering during material conveying. It also prevents impurities falling from the air during conveying from falling onto the material.

[0031] In a preferred embodiment, there are two belt conveyors 2, located below two pre-loading hoppers 1. The two belt conveyors 2 are arranged opposite each other, and their heights can be the same or one higher than the other. For example, when the two belt conveyors 2 are at the same height, the two materials fall into the twin-screw mixer 4 simultaneously. When the two belt conveyors 2 are at different heights (not shown in the figure), the material on the higher belt conveyor 2 falls and covers the material on the lower belt conveyor 2. As the belt conveyors 2 continue to output, the two materials overlap before entering the twin-screw mixer 4, making mixing easier.

[0032] In this embodiment, the belt conveyor 2 is a weighing belt conveyor, i.e., a metering belt conveyor, with a speed sensor installed at the drive shaft. The instrument of the metering belt conveyor integrates the speed signal and the weighing signal to obtain the weight of the material passing through the metering belt conveyor per unit time.

[0033] The feed end of the double spiral mixer 4 is equipped with a water spray nozzle 9, which is connected to a water supply pipeline.

[0034] Furthermore, each pre-loading hopper 1 is equipped with a connecting flange at its bottom, which is mounted on the sealing cover 5 and suspended above the belt conveyor 2. A valve is installed between the pre-loading hopper 1 and the connecting flange to control the material discharge. The bottom of the connecting flange is the discharge port, and the material flows out and falls directly onto the belt conveyor 2.

[0035] In this embodiment, each of the front silos 1 and the rear silos 7 is equipped with a silo wall vibrator on its outer wall surface. This ensures that the deoiled material and soda ash in the two front silos 1, as well as the mixture in the rear silo 7, will not stick to the walls during descent, thus ensuring a smooth descent.

[0036] In this embodiment, a bucket elevator 6 is installed between the discharge port of the post-harvest silo 7 and the discharge port of the twin-screw mixer 4. The mixed material flowing out of the discharge port of the twin-screw mixer 4 is transported to the post-harvest silo 7 via the bucket elevator 6. A screw conveyor 8 is installed at the discharge end of the post-harvest silo 7. When the mixed material is needed, it is transported to the next process by the screw conveyor 8.

[0037] In this embodiment, the batching system also includes a dust extraction pipe for adsorbing dust generated throughout the batching system. The dust extraction pipe includes a main pipe 10 and multiple branch pipes 11 connected to the main pipe 10. Each branch pipe 11 is connected one-to-one with the pre-loading silo 1, the post-loading silo 7, the sealing cover 5, and the confluence silo 3. The main pipe 10 is connected to a bag filter, and the suction force of the exhaust fan at the outlet of the bag filter achieves negative pressure inside the dust extraction pipe. Each branch pipe 11 respectively draws in the dust raised in the pre-loading silo 1, the post-loading silo 7, the sealing cover 5, and the confluence silo 3.

[0038] The following describes a production example of this batching system in conjunction with the above embodiments. For example, the production requires 1.2 tons / hour of deoiled material, and the ratio of deoiled material to soda ash is 1:0.3.

[0039] First, add the deoiled material and soda ash to the feed elevator to fill the two front hoppers 1.

[0040] Start the deoiling conveyor belts and set the flow rate of deoiling conveyor 2 to 1.2 tons / hour and the flow rate of soda ash conveyor 2 to 0.36 tons / hour. Dynamic PID control of conveyor 2 ensures that the deoiling conveyor flow rate is 1.2 tons / hour, and that the soda ash conveyor flow rate is 0.36 tons / hour. After mixing, the deoiling conveyor and soda ash enter the merging silo 3. The material then enters the double-screw mixer 4 through the bottom of the merging silo 3. After thorough mixing in the double-screw mixer 4, the material enters the downstream silo 7 via the bucket elevator 6. The material in the downstream silo 7 is then conveyed to the next process via the screw conveyor 8.

[0041] The conveying capacity of screw conveyor 8 can be adjusted by regulating its rotational speed to ensure the needs of the next process are met and the weight remains stable.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A deoiling system for a batch of material, the system comprising: The batching system comprises: a plurality of front stock bins and rear stock bins; and a conveying mechanism comprising a belt conveyor arranged at the discharge end of each front stock bin and a merging bin arranged at the discharge end of each belt conveyor, the merging bin being provided with a double-screw mixer at its discharge end; wherein the wall of the merging bin is provided with an opening adapted to the discharge end of each belt conveyor, and a sealing cover is arranged on the opening, covering the belt conveyor from above; The batching system further comprises a dust removal pipeline, which comprises a main pipeline and a plurality of branch pipelines connected to the main pipeline, each branch pipeline being connected to a front stock bin, a rear stock bin, a sealing cover and a merging bin one by one.

2. A deoiling ingredients system according to claim 1, wherein: The number of front stock bins and belt conveyors is both two, the two belt conveyors are oppositely arranged, and the heights of the two belt conveyors can be the same or one is higher than the other.

3. A deoiling ingredients system according to claim 2, wherein: A connecting flange is arranged below each front stock bin, the connecting flange is assembled on the sealing cover and suspended above the belt conveyor.

4. A deoiling ingredients system according to claim 3, wherein: A valve is arranged between the front stock bin and the connecting flange.

5. A deoiling ingredients system according to claim 1, wherein: A bin wall rapping device is arranged on the outer wall of each front stock bin and rear stock bin.

6. A deoiling ingredients system according to claim 1, wherein: A feeding elevator is arranged at the feeding end of each front stock bin.

7. A deoiling ingredients system according to claim 1, wherein: A bucket elevator is arranged between the rear stock bin and the discharge port of the double-screw mixer.

8. A deoiling ingredients system according to claim 7, wherein: A screw conveyor is arranged at the discharge end of the rear stock bin.

9. A deoiling ingredients system according to claim 1, wherein: A water spraying head is arranged at the feeding end of the double-screw mixer, and a water supply pipeline is connected to the water spraying head.

10. A deoiling ingredients system according to claim 1, wherein: The merging bin is a conical body with a large upper part and a small lower part.

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