Urea liquid purification equipment

Abstract

The utility model discloses urea liquid purification equipment which comprises a filter cartridge, activated carbon filter plates are fixedly mounted above and below the inner surface of the filter cartridge, and an anion resin filter plate and a quartz stone filter plate are sequentially and fixedly mounted on the inner surface of the filter cartridge and located between the two activated carbon filter plates from top to bottom. The top of the filter cartridge is rotationally connected with a liquid passing pipe through an opening. The utility model relates to the technical field of urea liquid purification. According to the urea liquid purification equipment, extraction is conducted through a liquid inlet pipe on an infusion pump, urea liquid filtered below an activated carbon filter plate is extracted to a liquid passing pipe through a liquid outlet pipe and sprayed out through the liquid passing pipe and a spraying disc to be filtered again, meanwhile, a motor drives a rotating rod to rotate, the motor drives the liquid passing pipe to rotate, and urea is sprayed while the spraying disc rotates; urea can be filtered in a circulating mode well, and the filtering and purifying quality of urea liquid is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of urea solution purification, in particular to a urea solution purification device. Background Technique

[0002] Urea, also known as carbamide, is an organic compound composed of carbon, nitrogen, oxygen, and hydrogen, and is a white crystal. It is one of the simplest organic compounds and is the main nitrogen-containing end product of protein metabolism decomposition in mammals and certain fish. It is also the nitrogen fertilizer with the highest nitrogen content currently.

[0003] During the production process of urea solution, purification is one of the important working steps, and the purpose of purification mainly includes hydrolysis and crystallization, so as to achieve the purification effect of urea.

[0004] When purifying and producing urea solution, it is necessary to filter the urea solution through a filtering device. However, the existing method only filters the urea solution once, resulting in incomplete filtration of the urea solution, poor filtration quality of the urea solution, and affecting the subsequent purification and processing of the urea solution. Therefore, a urea solution purification device that can facilitate cyclic filtration is proposed. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a urea solution purification device, which solves the problem that the existing method only filters the urea solution once, resulting in incomplete filtration of the urea solution and poor filtration effect of the urea solution.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: A urea solution purification device includes a filtering cylinder. Activated carbon filter plates are fixedly installed above and below the inner surface of the filtering cylinder. An anion resin filter plate and a quartz stone filter plate are fixedly installed on the inner surface of the filtering cylinder from top to bottom between the two activated carbon filter plates. The top of the filtering cylinder is rotationally connected with a liquid passing pipe through an opening. One end of the liquid passing pipe is communicated with a spraying disc. A liquid pumping mechanism is arranged on one side of the top of the filtering cylinder. On the other side of the top of the filtering cylinder, a motor is fixedly connected through a fixing frame. The output shaft of the motor is fixedly connected with a rotating rod through a coupling. One end of the rotating rod is rotationally connected with the top of the filtering cylinder through a bearing. Pulley wheels are fixedly connected to the outer surfaces of the liquid passing pipe and the rotating rod. A transmission belt is connected between the outer surfaces of the two pulley wheels in a transmission manner.

[0007] Preferably, the liquid pumping mechanism includes a liquid pump. The liquid pump is fixedly connected to the top of the filtering cylinder. The liquid inlet end of the liquid pump is communicated with a liquid inlet pipe. One side of the bottom of the filtering cylinder is communicated with a liquid discharge pipe.

[0008] Preferably, one end of the liquid inlet pipe is communicated with one end of the liquid discharge pipe. The liquid outlet end of the liquid extraction pump is communicated with a liquid outlet pipe. One end of the liquid outlet pipe is rotatably connected with the other end of the liquid passing pipe through a sealing bearing.

[0009] Preferably, a connecting rod is fixedly connected to the bottom of the spraying disc. A rotating sleeve is fixedly connected to the lower part of the outer surface of the connecting rod. A scraping plate is fixedly connected to one side of the outer surface of the rotating sleeve.

[0010] Preferably, a liquid adding pipe is communicated with the front of the top of the filtering cylinder.

[0011] Preferably, a liquid discharge pipe is communicated with the other side of the bottom of the filtering cylinder.

[0012] Beneficial effects

[0013] The utility model provides a urea solution purification device. Compared with the prior art, the following beneficial effects are achieved:

[0014] (1) The utility model extracts through the liquid inlet pipe on the liquid extraction pump, so that the filtered urea solution below the activated carbon filter plate is extracted into the liquid passing pipe through the liquid outlet pipe, and is sprayed out through the liquid passing pipe and the spraying disc for re-filtration. At the same time, the motor drives the rotating rod to rotate, so that the motor drives the liquid passing pipe to rotate, and the spraying disc sprays urea while rotating, which can filter the urea in a good cycle and improve the quality of urea solution filtration and purification.

[0015] (2) The utility model drives the connecting rod to rotate through the spraying disc, so that the connecting rod drives the scraping plate to rotate through the rotating sleeve, and the scraping plate scrapes the upper activated carbon filter plate, effectively slowing down the blockage of the activated carbon filter plate. Description of the drawings

[0016] Figure 1 is the external structural schematic diagram of the utility model;

[0017] Figure 2 is the sectional view of the structure of the utility model;

[0018] Figure 3 is the bottom view of the structure of the liquid passing pipe, spraying disc, connecting rod, rotating sleeve and scraping plate of the utility model.

[0019] In the figure: 1, filtering cylinder; 2, activated carbon filter plate; 3, anion resin filter plate; 4, quartz stone filter plate; 5, liquid passing pipe; 6, spraying disc; 7, liquid extraction mechanism; 8, motor; 9, rotating rod; 10, pulley; 11, transmission belt; 12, connecting rod; 13, rotating sleeve; 14, scraping plate; 15, liquid adding pipe; 16, liquid discharge pipe; 71, liquid extraction pump; 72, liquid inlet pipe; 73, liquid discharge pipe; 74, liquid outlet pipe. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Please refer to Figures 1-3 , the present invention provides a technical solution: a urea solution purification device, including a filter cylinder 1. Activated carbon filter plates 2 are fixedly installed above and below the inner surface of the filter cylinder 1. An anion resin filter plate 3 and a quartz stone filter plate 4 are fixedly installed in sequence from top to bottom on the inner surface of the filter cylinder 1 and between the two activated carbon filter plates 2. The top of the filter cylinder 1 is rotatably connected with a liquid passing pipe 5 through an opening. One end of the liquid passing pipe 5 communicates with a spraying disc 6. A liquid pumping mechanism 7 is arranged on one side of the top of the filter cylinder 1. On the other side of the top of the filter cylinder 1, a motor 8 is fixedly connected through a fixing frame. The motor 8 is a servo motor, electrically connected to an external power supply and controlled through a control switch. The output shaft of the motor 8 is fixedly connected with a rotating rod 9 through a coupling. One end of the rotating rod 9 is rotatably connected with the top of the filter cylinder 1 through a bearing. Pulley 10 is fixedly connected to the outer surface of both the liquid passing pipe 5 and the outer surface of the rotating rod 9. A transmission belt 11 is connected in transmission between the outer surfaces of the two pulleys 10. A liquid adding pipe 15 communicates with the front of the top of the filter cylinder 1. A liquid discharging pipe 16 communicates with the other side of the bottom of the filter cylinder 1.

[0022] Further, in order to facilitate the circulating filtration of the urea solution, the liquid pumping mechanism 7 includes a liquid pumping pump 71. The liquid pumping pump 71 is electrically connected to an external power supply and controlled through a control switch. The liquid pumping pump 71 is fixedly connected to the top of the filter cylinder 1. The liquid inlet end of the liquid pumping pump 71 communicates with a liquid inlet pipe 72. One side of the bottom of the filter cylinder 1 communicates with a liquid discharging pipe 73. One end of the liquid inlet pipe 72 communicates with one end of the liquid discharging pipe 73. The liquid outlet end of the liquid pumping pump 71 communicates with a liquid outlet pipe 74. One end of the liquid outlet pipe 74 is rotatably connected with the other end of the liquid passing pipe 5 through a sealing bearing.

[0023] Further, in order to facilitate reducing the degree of blockage of the upper activated carbon filter plate 2, a connecting rod 12 is fixedly connected to the bottom of the spraying disc 6. A rotating sleeve 13 is fixedly connected to the lower part of the outer surface of the connecting rod 12. A scraping plate 14 is fixedly connected to one side of the outer surface of the rotating sleeve 13.

[0024] During use, the urea solution to be purified is added into the filter cylinder 1 through the liquid adding pipe 15. The urea solution is filtered in sequence through the two activated carbon filter plates 2, the anion resin filter plate 3 and the quartz stone filter plate 4. The filtered urea solution flows into the liquid discharging pipe 73 and is extracted through the liquid inlet pipe 72 on the liquid pumping pump 71, so that the liquid inlet pipe 72 extracts the urea solution from the liquid discharging pipe 73. The urea solution is discharged into the liquid passing pipe 5 through the liquid outlet pipe 74, and the spraying disc 6 sprays the urea solution onto the activated carbon filter plate 2 again for filtration;

[0025] Meanwhile, the rotating rod 9 is driven to rotate by the motor 8. The rotating rod 9 drives the liquid passing pipe 5 to rotate through the pulley 10 and the transmission belt 11, so that the liquid passing pipe 5 drives the spraying disc 6 to rotate. The spraying disc 6 will spray the filtered urea solution onto the two activated carbon filter plates 2 to filter the urea solution through multiple cycles;

[0026] Meanwhile, the spraying disc 6 will drive the connecting rod 12 to rotate. The connecting rod 12 will drive the scraper 14 to rotate through the rotating sleeve 13, so that the scraper 14 scrapes the upper activated carbon filter plate 2 to slow down the blockage of the activated carbon filter plate 2.

Claims

1. A urea solution purification device, comprising a filter cylinder (1), characterized in that: Above and below the inner surface of the filter cartridge (1), activated carbon filter plates (2) are fixedly installed. Inside the inner surface of the filter cartridge (1) and between the two activated carbon filter plates (2), an anion resin filter plate (3) and a quartz stone filter plate (4) are fixedly installed in sequence from top to bottom. The top of the filter cartridge (1) is rotationally connected with a liquid passing pipe (5) through an opening. One end of the liquid passing pipe (5) is communicated with a spraying disc (6). On one side of the top of the filter cartridge (1), a liquid pumping mechanism (7) is arranged. On the other side of the top of the filter cartridge (1), a motor (8) is fixedly connected through a fixing frame. The output shaft of the motor (8) is fixedly connected with a rotating rod (9) through a coupling. One end of the rotating rod (9) is rotationally connected with the top of the filter cartridge (1) through a bearing. Pulley wheels (10) are fixedly connected to the outer surfaces of the liquid passing pipe (5) and the rotating rod (9). A transmission belt (11) is connected in transmission between the outer surfaces of the two pulley wheels (10).

2. The urea solution purification equipment according to claim 1, characterized in that: The liquid pumping mechanism (7) includes a liquid pump (71). The liquid pump (71) is fixedly connected to the top of the filter cartridge (1). The liquid inlet end of the liquid pump (71) is communicated with a liquid inlet pipe (72). One side of the bottom of the filter cartridge (1) is communicated with a liquid discharge pipe (73).

3. The urea solution purification equipment according to claim 2, characterized in that: One end of the liquid inlet pipe (72) is communicated with one end of the liquid discharge pipe (73). The liquid outlet end of the liquid pump (71) is communicated with a liquid outlet pipe (74). One end of the liquid outlet pipe (74) is rotationally connected with the other end of the liquid passing pipe (5) through a sealed bearing.

4. The urea solution purification equipment according to claim 1, characterized in that: The bottom of the spraying disc (6) is fixedly connected with a connecting rod (12). Below the outer surface of the connecting rod (12), a rotating sleeve (13) is fixedly connected. On one side of the outer surface of the rotating sleeve (13), a scraping plate (14) is fixedly connected.

5. The urea solution purification equipment according to claim 1, characterized in that: A liquid adding pipe (15) is communicated with the front of the top of the filter cartridge (1).

6. The urea solution purification equipment according to claim 1, characterized in that: On the other side of the bottom of the filter cartridge (1), a liquid draining pipe (16) is communicated.

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