Copper-bismuth catalyst regeneration recycling device

Abstract

The embodiment of the utility model provides a copper-bismuth catalyst regeneration recycling device, and relates to the technical field of copper-bismuth catalyst recovery. The copper bismuth catalyst regeneration recycling device comprises an ethynylation device, the output end of the ethynylation device is connected with a catalyst regeneration device through a pipeline, the output end of the catalyst regeneration device is connected with a catalyst preparation tank through a pipeline, and meanwhile, the output end of a solution of the catalyst preparation tank is connected with a buffer tank through a pipeline. When the solution entering the catalyst preparation tank is prepared, the continuous transmission shaft body is stressed to drive the preparation blade and the scraping plate body to stir and prepare the solution in the continuous transmission shaft body, and in the rotation process of the continuous transmission shaft body, under the matching effect of the wire transmission cylinder and the reciprocating transmission piece and the movable connection of the connecting plate piece, the continuous transmission shaft body is driven to rotate to drive the preparation blade and the scraping plate body to stir and prepare the solution in the continuous transmission shaft body. And the continuous transmission shaft body is pulled to drive the preparation blade and the scraping plate body to move up and down in a reciprocating manner, so that the mixing efficiency of a solution in the catalyst preparation tank is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of copper-bismuth catalyst recovery, in particular to a copper-bismuth catalyst regeneration and recycling device. Background Art

[0002] When the acetylation reaction device is operating normally, it uses acetylene gas and formaldehyde to generate 1,4-butynediol under the action of copper-bismuth catalyst. In normal production, in order to improve product yield and product quality, the catalyst will be updated intermittently. The method of updating the catalyst is: discharging the copper-bismuth catalyst with low activity and adding fresh copper-bismuth catalyst;

[0003] The waste copper-bismuth catalyst discharged from the system is sent to qualified units for treatment as hazardous waste and cannot be recycled for a second time. In addition, the production of waste copper-bismuth catalyst during the preparation of 1,4-butynediol increases the difficulty of hazardous waste disposal and creates safety and environmental risks of cross-provincial transfer. On the other hand, the high-value catalyst becomes extremely low-value hazardous waste, resulting in an increase in production costs. Utility Model Content

[0004] The purpose of the utility model is to provide a copper-bismuth catalyst regeneration and recycling device, which can avoid the problem that the waste copper-bismuth catalyst cannot be repeatedly recycled, increases the difficulty of hazardous waste disposal and creates safety and environmental risks of cross-provincial transfer; at the same time, high-value catalysts become extremely low-value hazardous wastes, resulting in increased production costs.

[0005] The utility model provides a copper-bismuth catalyst regeneration and recycling device, comprising: an acetylation device, wherein the output end of the acetylation device is connected to a catalyst regeneration device through a pipeline, and the output end of the catalyst regeneration device is connected to a catalyst preparation tank through a pipeline, and at the same time, the output end of the solution in the catalyst preparation tank is connected to a buffer tank through a pipeline, the solution output end of the buffer tank is connected to a high-turbulence reactor system through a pipeline, and the output end of the tower side end of the high-turbulence reactor system is connected to a quenching tower through a pipeline.

[0006] In a specific embodiment, a pump body 1 is installed between the pipelines connecting the acetylation device and the catalyst regeneration device.

[0007] In a specific embodiment, the buffer tank includes a second pump body mounted on the output end of the catalyst preparation tank, and a third pump body is mounted on the output end of the buffer tank.

[0008] In a specific embodiment, the output end of the quench tower is connected to a catalyst recovery system through a pipeline, and the output end of the catalyst recovery system is connected to the input end of the acetylation device through a pipeline.

[0009] In a specific implementation scheme, the output end of the catalyst recovery system is connected to a bag dust removal system through a pipeline, and the output end of the bag dust removal system is connected to SCR denitration and alkaline washing and deacidification equipment through a pipeline.

[0010] In a specific embodiment, a driving member is installed at the end of the catalyst preparation tank, and a limiting rod is mounted at the bottom of the driving member.

[0011] In a specific implementation scheme, the output end of the driving member is connected to a transmission shaft, and the bottom of the transmission shaft is connected to a reciprocating transmission member. At the same time, a transmission plug rod is connected to the bottom of the reciprocating transmission member.

[0012] In a specific implementation scheme, the outer surface of the transmission rod is sleeved with a connecting shaft body, and the inner cavity of the connecting shaft body is provided with a limiting slot, wherein the inner cavity of the limiting slot is adapted to the surface of the transmission rod, and a wire transmission tube is provided at the end of the connecting shaft body, and the wire transmission tube is threadedly sleeved on the outer surface of the reciprocating transmission member.

[0013] In a specific implementation manner, a plurality of dispensing blades are connected to the surface of the continuous transmission shaft, and a scraping plate is connected to the bottom of the surface of the continuous transmission shaft.

[0014] In a specific implementation scheme, a connecting plate is provided on the lower side of the wire transmission tube, and there are multiple connecting plate members, whose ends are connected to mounting bases, a socket seat is connected to the lower side of the connecting plate member, and a limiting disk body is sleeved on the end of the surface of the wire transmission tube.

[0015] The beneficial effects of the present application are: under the recycling and utilization of hazardous waste copper-bismuth catalysts by the present device, on the one hand, the difficulty of disposing hazardous waste copper-bismuth catalysts and the safety and environmental protection risks of cross-provincial transfer are solved; on the other hand, the technical problem of high-value catalysts becoming extremely low-value hazardous waste copper-bismuth catalysts, which causes an increase in production costs, is solved;

[0016] When preparing the solution entering the catalyst preparation tank, the force on the transmission shaft can drive the preparation blades and the scraping plate to stir and prepare the solution inside. During the rotation of the transmission shaft, under the cooperation of the wire transmission cylinder and the reciprocating transmission member, and under the active connection of the connecting plate, the transmission shaft is pulled to drive the preparation blades and the scraping plate to move up and down, thereby increasing the mixing efficiency of the solution in the catalyst preparation tank.

[0017] At the same time, under the action of the scraping plate, the material at the bottom of the inner wall of the catalyst preparation tank can be scraped off, and under the action of the scraping plate moving back and forth, it can avoid the scraping plate from always contacting the inner wall of the catalyst preparation tank during movement, causing the connection between the scraping plate and the catalyst preparation tank to be severely worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a process principle diagram of an embodiment of the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the catalyst preparation tank structure of an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of a three-dimensional exploded structure of a catalyst preparation tank according to an embodiment of the utility model;

[0022] Figure 4 It is a three-dimensional assembly diagram of the drive member and the transmission shaft structure of an embodiment of the utility model;

[0023] Figure 5 A three-dimensional schematic diagram of the driving member structure of an embodiment of the utility model;

[0024] Figure 6 It is a three-dimensional assembly diagram of the reciprocating transmission member and the wire transmission cylinder structure of the embodiment of the utility model;

[0025] Figure 7 It is a three-dimensional schematic diagram of the transmission shaft structure of an embodiment of the utility model.

[0026] icon:

[0027] 100. Acetylation device; 101. Pump body one; 200. Catalyst regeneration device; 300. Catalyst preparation tank; 400. Buffer tank; 401. Pump body two; 402. Pump body three; 500. High turbulence reactor system; 600. Rapid cooling tower; 700. Catalyst recovery system; 710. Bag dust removal system; 800. Driving member; 810. Limit rod body; 820. Transmission shaft; 830. Reciprocating transmission member; 840. Transmission plug rod; 900. Connecting shaft body; 901. Limiting slot; 910. Preparation blade; 920. Scraping plate body; 930. Wire transmission tube; 940. Connecting plate member; 941. Mounting base; 942. Socket seat; 950. Limiting disk body. DETAILED DESCRIPTION

[0028] Since the waste copper-bismuth catalyst discharged from the system is sent to a qualified unit for treatment as hazardous waste, it cannot be recycled for a second time. In addition, when preparing 1,4-butynediol, the generation of waste copper-bismuth catalyst increases the difficulty of hazardous waste disposal and the safety and environmental protection risks of cross-provincial transfer on the one hand; on the other hand, the high-value catalyst becomes extremely low-value hazardous waste, resulting in an increase in production costs. Therefore, the inventor has provided a copper-bismuth catalyst regeneration and recycling device after research. When preparing 1,4-butynediol, it can avoid the waste copper-bismuth catalyst from being unable to be repeatedly recycled, increasing the difficulty of hazardous waste disposal and the safety and environmental protection risks of cross-provincial transfer; at the same time, the high-value catalyst becomes extremely low-value hazardous waste, resulting in an increase in production costs, thereby solving the above-mentioned defects.

[0029] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0030] Please refer to Figures 1 to 7 The embodiment of the utility model provides a copper-bismuth catalyst regeneration and recycling device, including an acetylation device 100, the output end of the acetylation device 100 is connected to the catalyst regeneration device 200 through a pipeline, and the output end of the catalyst regeneration device 200 is connected to the catalyst preparation tank 300 through a pipeline, which is used to mix the waste copper-bismuth catalyst with other materials. At the same time, the output end of the solution of the catalyst preparation tank 300 is connected to the buffer tank 400 through a pipeline to process the organic matter of the catalyst, the solution output end of the buffer tank 400 is connected to the high-turbulence reactor system 500 through a pipeline, and the output end of the tower side end of the high-turbulence reactor system 500 is connected to the quenching tower 600 through a pipeline, and the quenching tower 600 is used to cool the flue gas in the high-turbulence reactor system 500, and the cooled catalyst flue gas is finally recovered and sent to the acetylation device 100 for recycling.

[0031] In order to transport and recycle the waste copper-bismuth catalyst of the acetylation device 100, a pump body 101 is installed between the pipelines connecting the acetylation device 100 and the catalyst regeneration device 200, and the pump body 101 is used to pump the waste copper-bismuth catalyst in the acetylation device 100 into the catalyst regeneration device 200, and the waste copper-bismuth catalyst stored in the catalyst regeneration device 200 is finally sent to the catalyst preparation tank 300 for preparation through the pipeline connecting the two.

[0032] The buffer tank 400 includes a second pump body 401 mounted on the output end of the catalyst preparation tank 300, and a third pump body 402 is mounted on the output end of the buffer tank 400, the second pump body 401 is interconnected with the pipeline connecting the catalyst preparation tank 300 and the buffer tank 400, and the third pump body 402 is connected with the pipeline connecting the buffer tank 400 and the high turbulence reactor system 500, so that the solution prepared in the catalyst preparation tank 300 is melted into the buffer tank 400 through the second pump body 401, and the solution after the reaction in the buffer tank 400 is sent to the high turbulence reactor system 500 for use through the third pump body 402;

[0033] Among them, the pump body 3 402 preferably adopts a screw pump;

[0034] The output end of the quench tower 600 is connected to the catalyst recovery system 700 through a pipeline for recovering the purified copper-bismuth catalyst, and the output end of the catalyst recovery system 700 is connected to the input end of the acetylation device 100 through a pipeline, so that the purified copper-bismuth catalyst is finally sent to the acetylation device 100 to participate in the production of 1,4-butynediol;

[0035] The output end of the catalyst recovery system 700 is connected to the bag dust removal system 710 through a pipeline, which is used to filter the particulate matter in the flue gas to ensure the particulate matter standard in the flue gas, and the output end of the bag dust removal system 710 is connected to the SCR denitration and alkaline washing and deacidification equipment through a pipeline, so that the flue gas is finally discharged through the chimney after SCR denitration and alkaline washing and deacidification;

[0036] Finally, the waste copper-bismuth catalyst produced by the acetylation device 100 is transported to the catalyst regeneration device 200 through a pipeline, and enters the catalyst preparation tank 300 by the elevator in the device, and the prepared catalyst slurry is transported to the buffer tank 400, and the prepared catalyst slurry is transported to the high turbulence reactor system 500 through the pump body 402 for treatment; in the high turbulence reactor system 500, the organic matter attached to the catalyst is treated and incinerated, and the flue gas is cooled by the quenching tower 600, and then enters the catalyst recovery system 700 and recovers the qualified catalyst. After that, the flue gas is sent to the SCR denitrification and alkaline washing and deacidification through the bag dust removal system 710, and then discharged to the outside through the chimney, and the qualified catalyst in the catalyst recovery system 700 finally enters the acetylation device 100 for recycling, thereby forming a reciprocating cycle to treat the waste copper-bismuth catalyst and reduce production costs.

[0037] To adjust the solution in the catalyst preparation tank 300 and increase the efficiency of treating the waste copper-bismuth catalyst, please refer to Figures 2 to 7A driving member 800 is installed at the end of the catalyst preparation tank 300. The driving member 800 serves as a power source for driving the preparation blade 910 and the scraping plate 920. A limiting rod 810 is mounted at the bottom of the driving member 800. The output end of the driving member 800 and the bottom of the limiting rod 810 both penetrate and extend to the inner cavity of the catalyst preparation tank 300.

[0038] The output end of the driving member 800 is connected to a transmission shaft 820, and the bottom of the transmission shaft 820 is connected to a reciprocating transmission member 830. Meanwhile, the bottom of the reciprocating transmission member 830 is connected to a transmission plug rod 840.

[0039] In order to improve the strength between the transmission shaft 820, the reciprocating transmission member 830 and the transmission plug rod 840, the joints of the three can be integrally formed or welded;

[0040] The outer surface of the transmission rod 840 is sleeved with a transmission shaft body 900, and the inner cavity of the transmission shaft body 900 is provided with a limited slot 901, wherein the inner cavity of the limited slot 901 is adapted to the surface of the transmission rod 840, and the transmission shaft body 900 is movably arranged on the surface of the transmission rod 840, wherein the transmission rod 840 is a hexagonal rod body, and the limited slot 901 is a hexagonal slot, and lubricating oil is arranged at the junction of the two to increase the stability of the connection between the two, and finally, when the transmission rod 840 is rotated under force, it can drive the transmission shaft body 900 to rotate according to the shape of the transmission rod 840 and the limited slot 901, and the transmission shaft body 900 can not only rotate on the transmission rod 840 under force, but also reciprocate up and down on the transmission rod 840;

[0041] At the same time, a wire transmission tube 930 is provided at the end of the transmission shaft body 900, and the wire transmission tube 930 is threadedly sleeved on the outer surface of the reciprocating transmission member 830, wherein the reciprocating transmission member 830 is a reciprocating screw rod, and the wire transmission tube 930 is used in conjunction with the reciprocating transmission member 830 to drive the wire transmission tube 930 to move up and down when the transmission shaft 820 rotates through the reciprocating transmission member 830 to drive the transmission plug 840 to move, so that the transmission shaft body 900 can be rotated by force and can also move up and down, so as to drive the preparation leaf The blade 910 and the scraping plate 920 move, so that the preparation blade 910 and the scraping plate 920 can move up and down when rotating and stirring, thereby increasing the efficiency of preparing the solution in the catalyst preparation tank 300, and the scraping plate 920 can also send out the solution of the residual material at the bottom of the inner cavity of the catalyst preparation tank 300 during discharge. At the same time, when the scraping plate 920 is in the up and down moving state, it is avoided that the scraping plate 920 is always in contact with the inner wall of the catalyst preparation tank 300, causing the problem of wear at the junction of the two;

[0042] In order to prepare the solution in the catalyst preparation tank 300, a plurality of preparation blades 910 are connected to the surface of the continuous transmission shaft 900, and a scraping plate 920 is connected to the bottom of the surface of the continuous transmission shaft 900. The shape of the scraping plate 920 is similar to the shape of the bottom of the catalyst preparation tank 300 cavity, and is used to easily scrape the inner wall of the bottom of the catalyst preparation tank 300 when the scraping plate 920 descends to the bottom of the catalyst preparation tank 300.

[0043] A connecting plate 940 is provided at the lower side of the wire transmission tube 930, and there are multiple connecting plate members 940, and the ends of the connecting plate members 940 are connected to mounting bases 941, and the mounting bases 941 are slidably embedded and installed on the outer surface of the wire transmission tube 930, and the lower side of the connecting plate member 940 is connected to a sleeve seat 942, and the inner surface of the sleeve seat 942 is connected to the end of the outer surface of the connecting shaft body 900, so that the connecting plate member 940, the mounting base 941 and the sleeve seat 942 are used as connecting media, so that the connecting shaft body 900 and the wire transmission tube 930 are movably connected, so that when the connecting shaft body 900 is rotated by force, it can also be pulled by the wire transmission tube 930 to move up and down, and when the connecting shaft body 900 rotates, it is slidably connected to the wire transmission tube 930 through the mounting base 941, and the problem of driving the wire transmission tube 930 to rotate when the connecting shaft body 900 rotates is avoided;

[0044] A limiting disk body 950 is sleeved on the end of the surface of the wire transmission tube 930, and the bottom of the limiting rod body 810 penetrates to the bottom of the limiting disk body 950 and makes sliding contact with the connection therewith. In order to prevent the limiting rod body 810 from detaching from the limiting disk body 950, the bottom of the limiting rod body 810 is connected to the limiting disk.

[0045] In summary, the working principle of the copper-bismuth catalyst regeneration and recycling device of the embodiment of the utility model is: when the device recycles and recycles hazardous waste copper-bismuth catalysts, on the one hand, it solves the difficulty of disposing hazardous waste copper-bismuth catalysts and the safety and environmental protection risks of cross-provincial transfer; on the other hand, it solves the technical problem that high-value catalysts are converted into extremely low-value hazardous waste copper-bismuth catalysts, resulting in increased production costs;

[0046] When preparing the solution entering the catalyst preparation tank 300, the transmission shaft 900 is subjected to force to drive the preparation blades 910 and the scraping plate 920 to stir and prepare the solution inside. During the rotation of the transmission shaft 900, under the cooperation of the wire transmission cylinder 930 and the reciprocating transmission member 830, and under the active connection of the connecting plate 940, the transmission shaft 900 is pulled to drive the preparation blades 910 and the scraping plate 920 to move up and down, thereby increasing the mixing efficiency of the solution in the catalyst preparation tank 300.

[0047] At the same time, under the action of the scraper plate 920, the material at the bottom of the inner wall of the catalyst preparation tank 300 can be scraped off, and under the action of the scraper plate 920 moving back and forth, it can avoid the scraper plate 920 from always contacting the inner wall of the catalyst preparation tank 300 during movement, causing the connection between the scraper plate 920 and the catalyst preparation tank 300 to be severely worn.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A copper-bismuth catalyst regeneration and recycling device, characterized in that: The invention comprises an acetylation device (100), wherein the output end of the acetylation device (100) is connected to a catalyst regeneration device (200) via a pipeline, and the output end of the catalyst regeneration device (200) is connected to a catalyst preparation tank (300) via a pipeline. Meanwhile, the output end of the solution of the catalyst preparation tank (300) is connected to a buffer tank (400) via a pipeline, the solution output end of the buffer tank (400) is connected to a high turbulence reactor system (500) via a pipeline, and the output end of the tower side end of the high turbulence reactor system (500) is connected to a quenching tower (600) via a pipeline.

2. The copper-bismuth catalyst regeneration and recycling device according to claim 1, characterized in that: A pump body 1 (101) is installed between the pipelines connecting the acetylation device (100) and the catalyst regeneration device (200).

3. The copper-bismuth catalyst regeneration and recycling device according to claim 2, characterized in that: The buffer tank (400) includes a second pump body (401) mounted on the output end of the catalyst preparation tank (300), and a third pump body (402) is mounted on the output end of the buffer tank (400).

4. The copper-bismuth catalyst regeneration and recycling device according to claim 3 is characterized in that: The output end of the quench tower (600) is connected to the catalyst recovery system (700) through a pipeline, and the output end of the catalyst recovery system (700) is connected to the input end of the acetylation device (100) through a pipeline.

5. The copper-bismuth catalyst regeneration and recycling device according to claim 4, characterized in that: The output end of the catalyst recovery system (700) is connected to the bag dust removal system (710) through a pipeline, and the output end of the bag dust removal system (710) is connected to the SCR denitration and alkaline washing and deacidification equipment through a pipeline.

6. The copper-bismuth catalyst regeneration and recycling device according to claim 1, characterized in that: A driving member (800) is installed at the end of the catalyst preparation tank (300), and a limiting rod body (810) is mounted at the bottom of the driving member (800).

7. The copper-bismuth catalyst regeneration and recycling device according to claim 6, characterized in that: The output end of the driving member (800) is connected to a transmission shaft (820), and the bottom of the transmission shaft (820) is connected to a reciprocating transmission member (830). At the same time, a transmission plug rod (840) is connected to the bottom of the reciprocating transmission member (830).

8. The copper-bismuth catalyst regeneration and recycling device according to claim 7, characterized in that: The outer surface of the transmission rod (840) is sleeved with a transmission shaft (900), and the inner cavity of the transmission shaft (900) is provided with a limit slot (901), wherein the inner cavity of the limit slot (901) is adapted to the surface of the transmission rod (840), and the end of the transmission shaft (900) is provided with a wire transmission tube (930), and the wire transmission tube (930) is threadedly sleeved on the outer surface of the reciprocating transmission member (830).

9. The copper-bismuth catalyst regeneration and recycling device according to claim 8, characterized in that: The surface of the continuous transmission shaft (900) is connected to a plurality of configuration blades (910), and the bottom of the surface of the continuous transmission shaft (900) is connected to a scraping plate (920).

10. The copper-bismuth catalyst regeneration and recycling device according to claim 9, characterized in that: A connecting plate (940) is provided on the lower side of the wire transmission tube (930), and there are multiple connecting plate members (940), whose ends are connected to a mounting base (941), and a sleeve seat (942) is connected to the lower side of the connecting plate member (940), and a limiting disc body (950) is sleeved on the end of the surface of the wire transmission tube (930).

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