Automatic resin loading and unloading device

Abstract

The utility model discloses an automatic resin loading and unloading device, which belongs to the technical field of resin loading and unloading and comprises an adsorption tank, a resin conveying tank, a compressed air supply system and a compressed air output system. A resin inlet is formed in the top of the resin conveying tank and is communicated with an industrial water inlet of the industrial water conveying pipeline; a first outlet for outputting resin and industrial water is formed in the bottom; a first inlet for inputting resin and industrial water is formed in the top of the adsorption tank, and the first outlet is communicated with the first inlet through a resin conveying pipeline; the bottom of the adsorption tank is provided with a second outlet for outputting waste resin and waste water after adsorption and desorption; and the compressed air supply system and the compressed air output system are respectively communicated with the resin conveying tank and the adsorption tank through a compressed air conveying pipeline and an output pipeline. The cost is high, the working efficiency is low, and the field environment is poor.

Description

Technical Field

[0001] The utility model belongs to the technical field of resin loading and unloading, and relates to an automatic loading and unloading device for resin. Background Art

[0002] Gallium metal is a commonly used semiconductor material with extensive applications in electronics, instrumentation, optoelectronics, optics, and materials science. Gallium is primarily obtained as a byproduct of aluminum extraction from bauxite or zinc extraction from zinc ore, with smaller amounts also obtained from the recovery of semi-metallic elements from coal. Currently, over 90% of the world's primary gallium is extracted from alumina mother liquor. Ion exchange is a common process for extracting gallium from Bayer alumina mother liquor. This method features a streamlined, cyclical process, is easily automated, and offers low costs, making it the most economical method for recovering gallium from alumina production.

[0003] The resin adsorption and desorption process for producing gallium metal generally includes purification, adsorption and desorption, impurity removal, electrolysis, and refining. The adsorption and desorption stage is the core of the production process. A mother liquor containing gallium metal ions passes through an adsorption tower. After sufficient contact with the resin, the gallium ions form stable chelates with the resin's characteristic active groups and are concentrated on the resin skeleton. This allows the gallium in the mother liquor to enter the resin's micropore structure and be adsorbed by the chelating resin. After adsorption, desorption, and regeneration, the resin is reused for repeated absorption of gallium metal according to the process steps. Waste resin generated after multiple regenerations is entrusted to qualified units for disposal. Within a certain production cycle, the resin needs to be replaced regularly according to production requirements. Existing gallium metal production companies often use traditional manual loading and unloading methods for resin replacement, which is labor-intensive, costly, inefficient, and has a poor on-site environment, even affecting the overall production efficiency of the process. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic loading and unloading device for resin, which is used to solve the problems in the prior art that the loading and unloading of resin adopts the traditional manual loading and unloading method, which has the characteristics of high work intensity, high cost, low work efficiency, poor on-site environment, and even affects the production efficiency of the entire process.

[0005] The technical solution adopted by the utility model is an automatic loading and unloading device for resin, comprising an adsorption tank, a resin conveying tank, a compressed air supply system and a compressed air output system; the top of the resin conveying tank is provided with a resin inlet and an industrial water inlet connected to an industrial water conveying pipeline; the bottom is provided with a first outlet for outputting resin and industrial water;

[0006] The top of the adsorption tank is provided with a first inlet for inputting the resin and industrial water, and the first outlet is connected to the first inlet through a resin delivery pipe, and the resin delivery pipe is provided with a fourth shut-off valve and a seventh shut-off valve; the bottom of the adsorption tank is provided with a second outlet for outputting the waste resin and wastewater after adsorption and decomposition;

[0007] The compressed air supply system and the compressed air output system are connected to the resin delivery tank and the adsorption tank through a compressed air delivery pipeline and an output pipeline respectively, and a shut-off valve is provided on the corresponding pipelines.

[0008] Furthermore, it also includes a waste resin tank for dehydrating the waste resin and wastewater, the waste resin tank at least including a second inlet for connecting to the second outlet of the adsorption tank, a valve is provided on the pipeline between the second outlet and the second inlet, and a water outlet is provided at the bottom and a discharge port for the dehydrated resin.

[0009] Furthermore, a pressure gauge and / or a pressure transmitter is provided on the top of the resin delivery tank.

[0010] Furthermore, a charging funnel is provided above the resin inlet of the resin delivery tank.

[0011] Furthermore, a first shut-off valve is provided on the industrial water delivery pipeline connected to the industrial water inlet.

[0012] Furthermore, a compressed air port is provided below the outlet pipeline of the adsorption tank, and the resin discharge pipe corresponding to the compressed air port is connected to the compressed air delivery pipe, and a pneumatic ninth shut-off valve is provided on the compressed air pipe.

[0013] Furthermore, a pressure gauge is provided on the top of the adsorption tank.

[0014] Furthermore, a manhole is provided on the top of the waste resin tank.

[0015] Furthermore, the discharge port includes a cylinder and a conical head below, and a discharge valve is provided at the lower end of the conical head.

[0016] Furthermore, the pipe between the resin delivery tank and the adsorption tank is made of stainless steel, and the pipe between the adsorption tank and the waste resin tank is made of carbon steel.

[0017] The beneficial effects of the present invention are as follows: by adding a resin conveying tank, a compressed air supply system, and a compressed air output system to the original adsorption tank, the present invention uses pneumatic conveying of compressed air to convey fresh resin mixed with industrial water in the resin conveying tank to the adsorption tank for adsorption analysis. After the analysis is completed, the waste resin and wastewater are pneumatically transported and collected. This loading and unloading method of the present invention effectively solves the problems of high labor intensity and low efficiency in the manual loading and unloading of resin, reduces the loss of resin caused by manual loading to a certain extent, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the process flow of an automatic loading and unloading device for resin according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic structural diagram of a resin delivery tank according to an embodiment of the present invention;

[0020] Figure 3 It is a schematic structural diagram of a waste resin tank according to an embodiment of the present utility model.

[0021] In the figure: 1. Resin conveying tank; 2. Adsorption tank; 3. Waste resin tank; 4. First shut-off valve; 5. Second shut-off valve; 6. Third shut-off valve; 7. Fourth shut-off valve; 8. Fifth shut-off valve; 9. Sixth shut-off valve; 10. Seventh shut-off valve; 11. Eighth shut-off valve; 12. Ninth shut-off valve; 13. Discharge valve; 14. Eleventh valve; 101. Pressure transmitter port; 102. Water inlet; 103. Air inlet; 104. Exhaust port; 105. Feed port; 106. Discharge port; 107. Pressure gauge installation port; 301. Waste resin inlet; 302. Breathing port; 303. Discharge port; 304. Drain port; 305. Overflow port; 306. Manhole. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. However, this should not be construed as limiting the scope of the present invention to the following embodiments. Instead, it should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the contents of the present invention, those skilled in the art may make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0023] An embodiment of an automatic loading and unloading device for resin, such as Figure 1 As shown, the embodiment of the device includes a resin conveying tank 1, an adsorption tank 2, a waste resin tank 3, a compressed air supply system, a compressed air output system, a conveying pipeline, and valves provided on each pipeline.

[0024] The resin delivery tank 1 in this embodiment is made of 304 stainless steel and is a pressure vessel. Figure 2 As shown, it includes a pressure transmitter port 101 for installing a pressure transmitter, a water inlet 102, a compressed air inlet 103, an exhaust port 104 discharged to the atmosphere, a feed port 105 for fresh resin, a discharge port 106 and a pressure gauge installation port 107; the water inlet 102 for inputting industrial water is connected to the industrial water delivery pipeline, and a first shut-off valve 4 is provided on the industrial water delivery pipeline for controlling the delivery of industrial water to the resin delivery tank.

[0025] The air inlet 103 is connected to the compressed air delivery pipeline and the compressed air discharge pipeline respectively. The compressed air delivery pipeline is provided with a second shut-off valve 5 to control delivery, and the compressed air discharge pipeline is provided with a third shut-off valve 6 to control discharge of compressed air.

[0026] A discharge hopper is provided above the feed port 105 for receiving bagged fresh resin hoisted by an electric hoist; the discharge port 106 serving as the first outlet is connected to the adsorption tank 2 through a resin delivery pipe; in addition, a pressure transmitter and a pressure gauge are installed at the pressure transmitter port 101 and the pressure gauge installation port 107 respectively.

[0027] Adsorption tank 2 Figure 1 As shown, it includes an opening at the top for connecting the compressed air delivery pipeline and the compressed air exhaust pipeline, as well as a first inlet for receiving the mixed resin and industrial water from resin delivery tank 2. The resin delivery pipeline connects the discharge port 106 of resin delivery tank 1 to the first inlet, and is equipped with a fourth shut-off valve 7 and a seventh shut-off valve 10 for shutting off the resin. A sixth shut-off valve 9 is provided on the compressed air delivery pipeline connecting adsorption tank 2 to control on / off, while a fifth shut-off valve 8 is provided on the compressed air exhaust pipeline of adsorption tank 2 to control on / off. The resin delivery pipeline between resin delivery tank 1 and adsorption tank 2 is made of stainless steel.

[0028] A second outlet for outputting waste resin and waste water is provided at the bottom of the adsorption tank 2. The second outlet is connected to the second inlet of the waste resin tank 3, namely the waste resin inlet 301, through the waste resin and waste water conveying pipeline. An eighth shut-off valve 11 is provided on the waste resin and waste water conveying pipeline.

[0029] A compressed air port is provided below the outlet pipeline of the adsorption tank 2. The resin discharge pipe corresponding to the compressed air port is connected to the compressed air delivery pipe. When any or all compressed air valves on the sub-pipes on both sides of the compressed air port are opened, the resin in the adsorption tank can be put into a loose state. The compressed air comes from the compressed air main pipe, and the main pipe is provided with a pneumatic ninth shut-off valve 12. Figure 1As shown, the pneumatic ninth shut-off valve 12 is provided with hand valves before and after, and a backup valve is provided in the bypass. The front and rear hand valves are in the open state normally, and are mainly adjusted by the pneumatic ninth shut-off valve 12. The backup valve is used to be put into use when the regulating valve fails.

[0030] The waste resin tank 3 in this embodiment is made of carbon steel and is a normal pressure container. Figure 3 As shown, it includes a waste resin inlet 301 as a second inlet, a breathing port 302, a discharge port 303, a drain port 304, an overflow port 305, and a manhole 306; the waste resin inlet 301 is used to connect the waste resin and the wastewater conveying pipeline; the waste resin inlet 301 is used to discharge the dehydrated resin, and the discharge port 303 includes a cylinder and a conical head below, and a discharge valve 13 is provided at the lower end of the conical head.

[0031] Compressed air is introduced into the resin delivery tank 1 and adsorption tank 2 via a compressed air delivery pipeline. The pipeline delivering compressed air to the resin delivery tank 1 is equipped with a second shut-off valve 5, and the pipeline delivering compressed air to the adsorption tank 2 is equipped with a sixth shut-off valve 9. The compressed air delivery pipeline also delivers compressed air to the bottom of the adsorption tank 2, equipped with a ninth shut-off valve 12. The pipeline between the second shut-off valve 5 and the fresh resin feed port 105 is equipped with a compressed air discharge outlet for discharging compressed air to the atmosphere. The pipeline between the sixth shut-off valve 9 and the first inlet is also equipped with an opening for discharging compressed air to the atmosphere. The industrial water delivery pipeline is responsible for delivering industrial water to the resin delivery tank 1 and is equipped with a first shut-off valve 4. The waste resin and wastewater delivery pipeline connects the bottom of the adsorption tank 2 with the waste resin inlet 301 of the waste resin tank 3. The pipeline between the adsorption tank 2 and the waste resin tank 3 is made of carbon steel.

[0032] The implementation of this device embodiment is as follows:

[0033] Loading resin: Open the resin conveying tank feed port 105 and the third shut-off valve 6, and hoist the bagged fresh resin at the purchased resin hoisting entrance to the top of the unloading hopper through the electric hoist. Unload a certain amount of resin into the resin conveying tank 1 through the unloading funnel. Open the shut-off valve 4 and input industrial water into the resin conveying tank 1 through the industrial water delivery pipeline until the resin is completely submerged. At this time, close the resin conveying tank feed port and the first industrial water shut-off valve 4.

[0034] Tank body stamping: Close the third shut-off valve 6, open the pneumatic second shut-off valve 5, and allow compressed air to enter the resin delivery tank 1 through the delivery pipe to perform stamping operations on the resin delivery tank 1. When the pressure rises to about 0.35 MPa, close the pneumatic second shut-off valve 5.

[0035] Resin is transported to the adsorption tank: Open the fifth shut-off valve 8 connected to the compressed air exhaust pipeline of the adsorption tank 3, the shut-off valve 10 and the shut-off valve 7 on the resin delivery pipeline, and then close the shut-off valve 8, the seventh shut-off valve 10 and the fourth shut-off valve 7 after the fresh resin is transported into the adsorption tank 2.

[0036] Resin Unloading: After the resin in adsorption tank 2 completes its last adsorption cycle for gallium metal, the gallium metal adsorbed on the resin is desorbed within the adsorption tank. The desorbed waste resin is thoroughly stirred within adsorption tank 2 by an agitator driven by an electric device M above the adsorption tank 2. The waste resin stirred by the agitator is in a loose state, making it easier to transport. The sixth pneumatic shut-off valve 9 is then opened, and the adsorption tank is pressed. When the pressure within the adsorption tank 2 rises to approximately 0.25 MPa, the eighth shut-off valve 11 at the bottom of the adsorption tank 2 is opened. When the liquid level within the adsorption tank 2 drops to a certain height, the agitator is turned off to prevent idling, and stirring is stopped. The remaining and waste resin in the adsorption tank is then discharged to the waste resin tank through the second outlet at the bottom of the adsorption tank 2, and the eighth shut-off valve 11 at the bottom is closed. In this embodiment, the shut-off valves are all ball valves, and the specific numerical values ​​used in this embodiment are for reference only and are not intended to limit this embodiment.

[0037] Dehydration: The waste resin is dehydrated in the waste resin tank. In this embodiment, natural dehydration is adopted. An isolation net is set on the side wall of the waste resin tank to isolate water from the waste resin. The water then seeps into the side wall behind the mesh, flows downward along the side wall, and is finally discharged through the drain port 304 set at the bottom of the waste resin tank. The discharge valve 13 is opened to unload the dehydrated resin into a transport vehicle through the discharge port 303 in a timely manner and entrust a qualified unit for recycling and treatment.

[0038] Since the adsorption and analysis of the resin in the adsorption tank belongs to the existing technology, the adsorption and analysis related steps are not described in detail in this embodiment, and the related structures are also omitted in the drawings. This embodiment focuses on describing the treatment of the resin before adsorption and after analysis.

Claims

1. An automatic loading and unloading device for resin, characterized in that: It includes an adsorption tank, a resin delivery tank, a compressed air supply system and a compressed air output system; the top of the resin delivery tank is provided with a resin inlet and an industrial water inlet connected to an industrial water delivery pipeline; the bottom is provided with a first outlet for outputting resin and industrial water; The top of the adsorption tank is provided with a first inlet for inputting the resin and industrial water, the first outlet is connected with the first inlet through a resin delivery pipeline, and the resin delivery pipeline is provided with a fourth shut-off valve and a seventh shut-off valve; the bottom of the adsorption tank is provided with a second outlet for outputting waste resin and waste water; The compressed air supply system is connected to the resin delivery tank and the adsorption tank through a compressed air delivery pipeline; the compressed air output system is connected to the resin delivery tank and the adsorption tank through an output pipeline; valves are provided on the corresponding pipelines.

2. The automatic resin loading and unloading device according to claim 1, characterized in that: It also includes a waste resin tank for dehydrating the waste resin and waste water, wherein the waste resin tank at least includes a second inlet for communicating with the second outlet of the adsorption tank, a valve is provided on the pipeline between the second outlet and the second inlet, and a water outlet is provided at the bottom and a discharge port for the dehydrated resin.

3. The automatic resin loading and unloading device according to claim 1, characterized in that: The top of the resin delivery tank is also provided with an opening for installing a pressure gauge and / or a pressure transmitter.

4. The automatic resin loading and unloading device according to claim 1, characterized in that: A charging funnel is arranged above the resin inlet of the resin delivery tank.

5. The automatic loading and unloading device for resin according to claim 1, characterized in that: The industrial water delivery pipeline connected to the industrial water inlet is provided with a first cut-off valve.

6. The automatic resin loading and unloading device according to claim 1, characterized in that: A compressed air port is provided below the outlet pipeline of the adsorption tank, a resin discharge pipeline corresponding to the compressed air port is connected to a compressed air delivery pipeline, and a pneumatic ninth shut-off valve is provided on the compressed air pipeline.

7. The automatic resin loading and unloading device according to claim 1, characterized in that: The top of the adsorption tank is provided with an opening for installing a pressure gauge.

8. The automatic resin loading and unloading device according to claim 2, characterized in that: A manhole is provided on the top of the waste resin tank.

9. The automatic resin loading and unloading device according to claim 8, characterized in that: The discharge port comprises a cylinder body and a conical sealing head below, and a discharge valve is arranged at the lower end of the conical sealing head.

10. The automatic loading and unloading device for resin according to any one of claims 1 to 9, characterized in that: The pipe between the resin delivery tank and the adsorption tank is made of stainless steel, and the pipe between the adsorption tank and the waste resin tank is made of carbon steel.

Images