Equipment for producing lithium dihydrogen phosphate by using horizontal screw sedimentation centrifuge

Abstract

The utility model relates to the technical field of separation in lithium dihydrogen phosphate production, in particular to equipment for producing lithium dihydrogen phosphate by adopting a horizontal screw sedimentation centrifuge, which comprises a mounting box body, engine bases are fixedly mounted at four corners of the lower end part of the mounting box body, an outer screw is rotatably mounted in a filter section, and a horizontal screw is mounted in the filter section. And an inner spiral ring is rotatably mounted at the side end of the outer spiral, a machine shell is mounted at the upper end of the mounting box body, a settling section is rotatably mounted at the side end of the inner spiral ring, and a differential mechanism is rotatably mounted at the side end of the settling section. According to the improved equipment for producing lithium dihydrogen phosphate by adopting the horizontal spiral sedimentation centrifuge, the differential mechanism, the transmission part, the sedimentation section, the filtering section, the outer spiral, the feeding pipe, the inner spiral ring, the spiral shaft and the like are matched with one another, so that the equipment can continuously run when the equipment is used, the product quality stability is improved, and the use efficiency of the equipment is improved; the equipment investment is low, the occupied area is small, and operation and use are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of separation in the production of lithium dihydrogen phosphate, in particular to equipment for producing lithium dihydrogen phosphate by using a horizontal screw sedimentation centrifuge. Background Art

[0002] Lithium dihydrogen phosphate is a chemical substance mainly used as an analytical reagent and catalyst. In the production field of lithium dihydrogen phosphate, due to the material properties of lithium dihydrogen phosphate and the special requirements of the downstream market for lithium dihydrogen phosphate products.

[0003] At present, most of the semi-finished product separation equipment used in the production of lithium dihydrogen phosphate is a vertical scraper centrifuge. The technology of this equipment is mature and can meet current production needs. However, this equipment is intermittent production, and the output of a single unit is small, resulting in large investment, wide space, high operating costs, high maintenance costs, high moisture content of the semi-finished product, and increased subsequent drying costs. Utility Model Content

[0004] The purpose of the present invention is to provide a device for producing lithium dihydrogen phosphate using a decanter decanter centrifuge, so as to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for producing lithium dihydrogen phosphate using a decanter decanter centrifuge, comprising a mounting box, wherein the four corners of the lower end of the mounting box are fixedly mounted with a base, a filter section is mounted inside the mounting box, an outer spiral is rotatably mounted inside the filter section, an inner spiral ring is rotatably mounted on the side end of the outer spiral, a housing is mounted on the upper end of the mounting box, a sedimentation section is rotatably mounted on the side end of the inner spiral ring, and a differential is rotatably mounted on the side end of the sedimentation section.

[0005] Further preferably, a feed pipe is installed at the upper end of the installation box, and the feed pipe is connected to the sedimentation section.

[0006] Further preferably, a rotator is installed on the outer surface of the inner spiral ring, and an organic shell is installed on the upper end of the installation box.

[0007] Further preferably, a transmission component is rotatably mounted on the side end portion of the settling section, and a differential is rotatably mounted on the side end portion of the transmission component away from the settling section.

[0008] Further preferably, a torque protector is installed on the side end of the differential away from the transmission component, and a protective cover is installed on the upper end of the differential.

[0009] Further preferably, a filtrate outlet is provided at a side end portion of the installation box, and a sedimentation liquid discharge hole is provided at a side end portion of the installation box on the same side as the filtrate outlet.

[0010] Further preferably, a spiral shaft is installed between the outer spiral and the inner spiral ring, the spiral shaft is connected to the sedimentation section, the lower end of the filtration section is installed with a filter drum, and the lower end of the rotor is installed with a sedimentation drum.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, the differential, transmission components, sedimentation section, filtering section, outer spiral and feed pipe, inner spiral ring, spiral shaft and other parts are designed to cooperate with each other, so that the device can operate continuously when in use, improve product quality stability, improve device utilization efficiency, require less equipment investment, occupy a small area, and is easy to operate and use.

[0013] In the present invention, the box body, housing, base and protective cover are designed to cooperate with each other, so that the device can be conveniently supported and protected when in use, external interference is reduced, and the efficiency of device use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the installation box structure of the utility model;

[0015] Figure 2 This is a partially enlarged schematic diagram of the installation box structure of the utility model.

[0016] In the figure: 1. Installation box; 11. Machine base; 12. Feed pipe; 13. Filter section; 14. Filtrate outlet; 15. Settling liquid outlet; 16. Outer spiral; 17. Inner spiral ring; 18. Rotator; 19. Machine casing; 2. Settling section; 21. Transmission parts; 22. Protective cover; 23. Differential; 24. Torque protector; 3. Screw shaft; 31. Filter drum; 32. Settling drum. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0018] See also Figures 1 to 2The utility model provides a technical solution: an apparatus for producing lithium dihydrogen phosphate using a horizontal screw sedimentation centrifuge, comprising an installation box 1, wherein bases 11 are fixedly mounted at the four corners of the lower end of the installation box 1, a filter section 13 is mounted inside the installation box 1, an outer spiral 16 is rotatably mounted inside the filter section 13, an inner spiral ring 17 is rotatably mounted on the side end of the outer spiral 16, an organic shell 19 is mounted on the upper end of the installation box 1, a sedimentation section 2 is rotatably mounted on the side end of the inner spiral ring 17, and a differential 23 is rotatably mounted on the side end of the sedimentation section 2.

[0019] In this embodiment, Figure 1 As shown, a feed pipe 12 is installed at the upper end of the installation box 1, and the feed pipe 12 is connected to the sedimentation section 2. This structure can facilitate the practical operation of transporting materials into the device through the feed pipe 12 installed above the installation box 1, thereby improving the efficiency of the device.

[0020] In this embodiment, Figure 1 As shown, a rotator 18 is installed on the outer surface of the inner spiral ring 17, and a shell 19 is installed on the upper end of the mounting box 1. This structure can limit the internal structure of the mounting box 1 while protecting it through the shell 19 and the mounting box 1, thereby reducing external interference.

[0021] In this embodiment, Figure 1 As shown, a transmission component 21 is rotatably installed on the side end of the sedimentation section 2, and a differential 23 is rotatably installed on the side end of the transmission component 21 away from the sedimentation section 2. This structure can be transmitted through the transmission component 21 connected to the side end of the sedimentation section 2, thereby driving the sedimentation section 2 to rotate, thereby facilitating sedimentation.

[0022] In this embodiment, Figure 1 As shown, a torque protector 24 is installed on the side end of the differential 23 away from the transmission component 21, and a protective cover 22 is installed on the upper end of the differential 23. This structure can start the transmission component 21 to rotate through the differential 23, thereby transmitting it to the sedimentation section 2 for use. When in use, the protective cover 22 and the torque protector 24 are used to protect the differential 23 and other parts to extend the service life of the device.

[0023] In this embodiment, Figure 1 As shown, a filtrate outlet 14 is provided at the side end of the installation box 1, and a sedimentation liquid discharge hole 15 is provided at the side end of the installation box 1 on the same side as the filtrate outlet 14. This structure can be connected with the internal structure of the device through the filtrate outlet 14 and the sedimentation liquid discharge hole 15, so as to quickly discharge waste and liquid and improve the functional efficiency of the device.

[0024] In this embodiment, Figure 1As shown, a spiral shaft 3 is installed between the outer spiral 16 and the inner spiral ring 17, the spiral shaft 3 is connected to the sedimentation section 2, the lower end of the filtration section 13 is installed with a filter drum 31, and the lower end of the rotator 18 is installed with a sedimentation drum 32. This structure can connect the sedimentation section 2 with multiple parts such as the rotator 18 through the spiral shaft 3, thereby facilitating subsequent linkage operations and facilitating the use of the device.

[0025] The use method and advantages of the utility model: The equipment for producing lithium dihydrogen phosphate using a horizontal screw sedimentation centrifuge has the following working process when in use:

[0026] like Figure 1 and Figure 2 As shown, first, when using, the user places the device on a horizontal surface, picks up the installation box 1, installs the base 11 at the four corners below the installation box 1, then picks up the filter section 13, installs the feed pipe 12 on the side end of the filter section 13, installs the inner spiral ring 17 on the other side, then installs the rotator 18 on the outer surface of the inner spiral ring 17, installs the outer spiral 16 on the outer surface of the filter section 13, then installs the assembled filter section 13 and other parts into the installation box 1, then installs the sedimentation drum 32 and the filter drum 31 in sequence inside the installation box 1 below it, then docks the filter drum 31 and the lower empty space of the sedimentation drum 32 with the filtered liquid discharge outlet 14 and the sedimentation liquid discharge hole 15, then installs the spiral shaft 3 inside the inner spiral ring 17, and installs the sedimentation section 2 on the side end of the spiral shaft 3. A transmission component 21 is installed on the side end of the sedimentation section 2, a differential 23 is installed on the side end of the transmission component 21, a protective cover 22 is installed above the differential 23, a torque protector 24 is installed on the side end of the differential 23, and then a casing 19 is installed above the installation box 1. In the production process of lithium dihydrogen phosphate, the solution containing 10% lithium dihydrogen phosphate crystals after concentration and crystallization enters the sedimentation section 2 of the equipment, and is started by the differential 23 and coordinated with the transmission component 21 to drive the sedimentation section 2 to rotate, thereby centrifugal sedimentation, and most of the mother liquor is discharged from the sedimentation section 2. The settled material enters the filtration section 13 of the equipment again, and through high-speed separation, the moisture content of the semi-finished product is reduced to less than 3%. According to the needs of the downstream market, the equipment can use washing water to wash the material to make the semi-finished product meet market demand.

[0027] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An apparatus for producing lithium dihydrogen phosphate using a decanter centrifuge, comprising a mounting box (1), characterized in that: A base (11) is fixedly mounted on each of the four corners of the lower end of the installation box (1), a filter section (13) is mounted inside the installation box (1), an outer spiral (16) is rotatably mounted inside the filter section (13), an inner spiral ring (17) is rotatably mounted on the side end of the outer spiral (16), a housing (19) is mounted on the upper end of the installation box (1), a sedimentation section (2) is rotatably mounted on the side end of the inner spiral ring (17), and a differential (23) is rotatably mounted on the side end of the sedimentation section (2).

2. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 1, characterized in that: A feed pipe (12) is installed at the upper end of the installation box (1), and the feed pipe (12) is connected to the sedimentation section (2).

3. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 1, characterized in that: A rotator (18) is installed on the outer surface of the inner spiral ring (17), and a housing (19) is installed on the upper end of the installation box (1).

4. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 3, characterized in that: A transmission component (21) is rotatably mounted on the side end of the settling section (2), and a differential (23) is rotatably mounted on the side end of the transmission component (21) away from the settling section (2).

5. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 1, characterized in that: A torque protector (24) is installed at the side end of the differential (23) away from the transmission component (21), and a protective cover (22) is installed at the upper end of the differential (23).

6. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 1, characterized in that: A filtrate outlet (14) is provided at the side end of the installation box (1), and a sedimentation liquid discharge hole (15) is provided at the side end of the installation box (1) on the same side as the filtrate outlet (14).

7. The device for producing lithium dihydrogen phosphate using a decanter centrifuge according to claim 3, characterized in that: A spiral shaft (3) is installed between the outer spiral (16) and the inner spiral ring (17), and the spiral shaft (3) is connected to the sedimentation section (2). A filter drum (31) is installed at the lower end of the filtration section (13), and a sedimentation drum (32) is installed at the lower end of the rotor (18).

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