Slurry drying device for lithium iron phosphate production and processing
By designing a combination of a storage tank, a limiting unit, and a hose, the problem of slurry delivery caused by the connection between the connecting pipe and the inner wall of the container was solved, achieving stable and residue-free slurry delivery and improving spray drying efficiency.
Patent Information
- Application Number
- CN202423174252.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-23
AI Technical Summary
In existing spray dryers, the connecting pipes adhere to the inner wall of the container during the slurry conveying process, which affects the conveying process and prevents the slurry at the bottom from being pumped in, resulting in slurry residue.
A slurry drying device including a storage cylinder, a limiting unit, and a hose was designed. The device avoids the bottom end of the straight pipe from sticking to the inner wall of the storage cylinder through the cooperation of the groove, the annular inner concave plate, and the limiting unit. The limiting cylinder and the rubber pad are set to stabilize the position of the storage cylinder and ensure smooth slurry delivery.
It improves the conveying efficiency of slurry, reduces the amount of residue inside the storage tank, ensures stable slurry feeding, and avoids the risk of damage and deformation of the storage tank.
Smart Images
Figure CN223555517U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium iron phosphate production technical field especially relates to a slurry drying device for lithium iron phosphate production and processing. BACKGROUND
[0002] Lithium iron phosphate is also called lithium iron phosphate, which is a compound used as a positive material of lithium ion battery, has high thermal stability and chemical stability, has a flat voltage curve, and provides stable power output.
[0003] The existing spray dryer includes an atomizer, a drying tower, a peristaltic pump, a cyclone separator, a bag filter or an electric dust collector, etc. After the slurry is sent into the spray dryer by the peristaltic pump, the raw material is atomized into fine droplets by the atomizer. The atomized droplets exchange heat with hot air in the drying tower. The hot air carries away the moisture in the droplets, evaporates the solvent in the droplets, and leaves dry solid particles. The dried particles are separated from the hot air by the cyclone separator, bag filter or electric dust collector, etc. The dried particles are collected in a collection container.
[0004] The above-mentioned slurry drying device will use a connecting pipe, one end of which is connected to the input end of the peristaltic pump, and the other end is placed inside the container. The raw material is pumped into the spray dryer by the peristaltic pump and the connecting pipe. During the feeding process, the end of the connecting pipe is at risk of sticking to the inside of the container, which will affect the transportation of the slurry. At the same time, since the end of the connecting pipe needs to maintain a certain distance from the inside bottom surface of the container, the slurry at the bottom cannot be pumped into the device for atomization and drying. Therefore, a slurry drying device for lithium iron phosphate production and processing is proposed to solve the above problems. SUMMARY
[0005] In order to make up for the above shortcomings, the utility model provides a slurry drying device for lithium iron phosphate production and processing, which aims to improve the problem that the connecting pipe sticks to the inner wall of the container when pumping the slurry in the container into the spray dryer by the connecting pipe and the peristaltic pump.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of slurry drying device for lithium iron phosphate production and processing, including base, the upper surface of the base is fixedly connected with device body, the front side of the device body is provided with collection bottle, the front side surface of the device body is fixedly connected with peristaltic pump, the right side surface of the device body is fixedly connected with control screen, the upper surface of the control screen is provided with liquid storage cylinder, recess is arranged in the inside bottom of the liquid storage cylinder, the inside bottom of the liquid storage cylinder is fixedly connected with annular inner recess plate, the inside of the liquid storage cylinder is provided with straight pipe, the outside of the straight pipe is provided with limiting unit, the limiting unit acts to avoid the bottom end of straight pipe and the inside bottom of recess to be combined, the upper end of the straight pipe is fixedly connected with hose.
[0007] As further description of the above technical solution:
[0008] The left and right side surfaces of the liquid storage cylinder are fixedly connected with handles, the upper surface of the control screen is fixedly connected with a limiting cylinder, and the inside of the limiting cylinder is provided with a rubber cushion.
[0009] As further description of the above technical solution:
[0010] The liquid storage cylinder is inserted into the inside of the limiting cylinder.
[0011] As further description of the above technical solution:
[0012] The limiting unit includes a circular plate, the circular plate is arranged on the inside upper side of the liquid storage cylinder, the outer side surface of the circular plate is fixedly connected with a fixed rod, the upper surface of the circular plate is provided with a circular hole, and the outer side of the straight pipe is fixedly connected with a limiting plate.
[0013] As further description of the above technical solution:
[0014] One end of the fixed rod away from the circular plate is fixedly connected with the inner wall of the liquid storage cylinder, and the bottom surface of the limiting plate and the upper surface of the circular plate are mutually combined.
[0015] As further description of the above technical solution:
[0016] The circular hole is located directly above the recess, and the straight pipe is inserted into the inside of the circular hole.
[0017] As further description of the above technical solution:
[0018] One end of the hose away from the straight pipe is fixedly connected with the input end of the peristaltic pump, and the bottom surface of the straight pipe and the inside bottom surface of the liquid storage cylinder are located at the same horizontal plane.
[0019] As further description of the above technical solution:
[0020] The upper surface of the annular inner recess plate is provided with a downward inclined structure at the inner circle.
[0021] The utility model has the advantages of the following:
[0022] 1. The groove, annular inner recessed plate, limiting unit and hose are matched to limit the bottom end position of the straight pipe, avoid the bottom end of the straight pipe from being attached to the inner wall of the liquid storage cylinder to affect the feeding of the slurry, reduce the residual amount of the slurry in the liquid storage cylinder, and avoid the bottom surface of the straight pipe from being unable to be attached to the inner bottom surface of the liquid storage cylinder to cause a large amount of slurry to be finally left in the liquid storage cylinder and unable to be pumped into the device body.
[0023] 2. The handle, limiting cylinder and rubber soft pad are matched to quickly limit the liquid storage cylinder placed above the control screen, avoid affecting the stability of the feeding of the slurry, and avoid the liquid storage cylinder from being in hard contact when being inserted into the limiting cylinder to cause the liquid storage cylinder to be damaged and deformed. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 The utility model provides a kind of slurry drying device for lithium iron phosphate production and processing as a whole schematic diagram thereof is proposed;
[0025] Figure 2 The utility model provides a kind of slurry drying device for lithium iron phosphate production and processing of liquid storage cylinder, straight pipe, hose and limiting cylinder schematic diagram thereof is proposed;
[0026] Figure 3 The utility model provides a kind of slurry drying device for lithium iron phosphate production and processing of liquid storage cylinder inside front part section view schematic diagram thereof is proposed;
[0027] Figure 4 The utility model provides a kind of slurry drying device for lithium iron phosphate production and processing of limiting cylinder and rubber soft pad schematic diagram thereof is proposed.
[0028] LEGEND:
[0029] 1, base; 2, device body; 3, collection bottle; 4, peristaltic pump; 5, control screen; 6, liquid storage cylinder; 7, groove; 8, annular inner recessed plate; 9, straight pipe; 91, round plate; 92, fixed rod; 93, round hole; 94, limiting plate; 10, hose; 11, handle; 12, limiting cylinder; 13, rubber soft pad. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0031] With reference to Figure 1 The present application provides an embodiment of a slurry drying device for lithium iron phosphate production and processing, which comprises a base 1, the upper surface of the base 1 is fixedly connected with a device body 2, the device body 2 comprises an atomizer, a drying tower, a cyclone separator, a cloth bag filter or an electric dust collector, etc., after the slurry is sent into a spray dryer by a peristaltic pump 4, the raw material is atomized into fine droplets by the atomizer, the atomized droplets exchange heat with hot air in the drying tower, the hot air carries away the moisture in the droplets, the solvent in the droplets evaporates, leaving dry solid particles, the dried particles are separated from the hot air by the cyclone separator, the cloth bag filter or the electric dust collector, etc., the dried particles are collected and fall into a collection bottle 3, the front side of the device body 2 is provided with the collection bottle 3, the front surface of the device body 2 is fixedly connected with the peristaltic pump 4, the right surface of the device body 2 is fixedly connected with a control screen 5, the control screen 5 is used for controlling the operation of all the electric appliances arranged in the drying device, and the above structure is a prior art means in the field, which will not be repeated here, and the upper surface of the control screen 5 is provided with a liquid storage cylinder 6, the liquid storage cylinder 6 is used for storing the lithium iron phosphate slurry raw material.
[0032] With reference to Figure 1 - Figure 3 The inner bottom surface of the liquid storage cylinder 6 is provided with a groove 7, the groove 7 is located at the center of the inner bottom surface of the liquid storage cylinder 6, when the raw material in the liquid storage cylinder 6 gradually decreases, the liquid level in the liquid storage cylinder 6 will gradually decrease into the groove 7, and only a small amount of raw material will remain in the groove 7 at this time, the inner bottom surface of the liquid storage cylinder 6 is fixedly connected with an annular inner recessed plate 8, the upper surface of the inner circle of the annular inner recessed plate 8 is provided in a downward inclined structure, as the raw material in the liquid storage cylinder 6 gradually decreases, the raw material will flow along the inclined surface of the annular inner recessed plate 8 into the groove 7, avoiding the raw material remaining on the inner bottom surface of the liquid storage cylinder 6 to affect the conveying effect of the slurry.
[0033] The inside of the liquid storage cylinder 6 is provided with a straight pipe 9, the bottom surface of the straight pipe 9 is located at the same horizontal plane as the inside bottom surface of the liquid storage cylinder 6, the upper end of the straight pipe 9 is fixedly connected with a hose 10, the end of the hose 10 away from the straight pipe 9 is fixedly connected with the input end of the peristaltic pump 4, the peristaltic pump 4 can extract the slurry in the inside of the liquid storage cylinder 6 through the hose 10 and the straight pipe 9 when the peristaltic pump 4 is started, the bottom end of the straight pipe 9 is located directly above the groove 7, and the diameter of the straight pipe 9 is smaller than the diameter of the groove 7, so that the peristaltic pump 4 can completely extract the liquid located above the inside bottom surface of the liquid storage cylinder 6.
[0034] The outside of the straight pipe 9 is provided with a limiting unit, the limiting unit includes a circular plate 91, the circular plate 91 is arranged on the inside upper side of the liquid storage cylinder 6, a fixed rod 92 is fixedly connected to the outside surface of the circular plate 91, the end of the fixed rod 92 away from the circular plate 91 is fixedly connected with the inner wall of the liquid storage cylinder 6, the circular plate 91 is fixedly connected in the inside of the liquid storage cylinder 6 through the fixed rod 92, a circular hole 93 is opened on the upper surface of the circular plate 91, the circular hole 93 is located directly above the groove 7, the straight pipe 9 is inserted into the inside of the circular hole 93, the straight pipe 9 can move linearly in the up-down direction in the inside of the circular hole 93, when the straight pipe 9 moves upward, it can be directly extracted from the circular hole 93, which is convenient for cleaning the inside of the straight pipe 9 and the liquid storage cylinder 6, and at the same time, the circular hole 93 can limit the straight pipe 9, so that the straight pipe 9 is limited above the groove 7, a limiting plate 94 is fixedly connected to the outside of the straight pipe 9, the bottom surface of the limiting plate 94 is in close contact with the upper surface of the circular plate 91, the limiting plate 94 can limit the placement height of the straight pipe 9, so that the bottom surface of the straight pipe 9 can be located at the same horizontal plane as the inside bottom surface of the liquid storage cylinder 6, and will not be in close contact with the inside bottom surface of the groove 7 to affect the feeding of the slurry.
[0035] Referring to Figure 3 - Figure 4 The left and right side surfaces of the liquid storage cylinder 6 are fixedly connected with handles 11, an operator can take the liquid storage cylinder 6 through the handles 11, the upper surface of the control screen 5 is fixedly connected with a limiting cylinder 12, the liquid storage cylinder 6 is inserted into the inside of the limiting cylinder 12, the limiting cylinder 12 can limit the liquid storage cylinder 6, avoiding the liquid storage cylinder 6 from being placed above the control screen 5 to deviate and affect the stability of the feeding, the inside of the limiting cylinder 12 is provided with a rubber soft pad 13, the rubber soft pad 13 can cushion and protect the bottom of the liquid storage cylinder 6, avoiding the liquid storage cylinder 6 from being in hard contact when being inserted into the inside of the limiting cylinder 12, so as to avoid the risk of damage and deformation of the liquid storage cylinder 6.
[0036] Working principle: after the slurry raw material for lithium iron phosphate production is poured into the inside of the liquid storage cylinder 6, the straight pipe 9 is inserted into the inside of the round hole 93, so that the bottom surface of the limiting plate 94 is attached to the upper surface of the round plate 91, at this time, the straight pipe 9 can be limited, so that the straight pipe 9 is located directly above the groove 7, at the same time, the bottom surface of the straight pipe 9 is located at the same horizontal plane with the inside bottom surface of the liquid storage cylinder 6, then the peristaltic pump 4 can be started to pump the raw material in the inside of the liquid storage cylinder 6 into the inside of the device body 2 through the hose 10 and the straight pipe 9, as the liquid level in the inside of the liquid storage cylinder 6 decreases, the liquid level in the inside of the liquid storage cylinder 6 will gradually drop into the inside of the groove 7, at this time, only a small amount of raw material will remain in the inside of the groove 7, so that the extraction efficiency of the raw material is improved, and the residue of the raw material is reduced, as the raw material enters into the inside of the liquid storage cylinder 6, the atomization, drying, separation and other operations will be carried out in sequence, finally, the raw material enters into the inside of the collecting bottle 3 to complete the collection.
[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A slurry drying device for lithium iron phosphate production and processing, comprising a base (1), wherein a device body (2) is fixedly connected to the upper surface of the base (1), characterized in that: A collection bottle (3) is provided on the front side of the device body (2). A peristaltic pump (4) is fixedly connected to the front surface of the device body (2). A control panel (5) is fixedly connected to the right surface of the device body (2). A liquid storage cylinder (6) is provided on the upper surface of the control panel (5). A groove (7) is provided on the inner bottom surface of the liquid storage cylinder (6). An annular concave plate (8) is fixedly connected to the inner bottom surface of the liquid storage cylinder (6). A straight tube (9) is provided inside the liquid storage cylinder (6). A limiting unit is provided on the outer side of the straight tube (9). The limiting unit is used to prevent the bottom end of the straight tube (9) from fitting with the inner bottom surface of the groove (7). A flexible tube (10) is fixedly connected to the upper end of the straight tube (9).
2. The slurry drying device for lithium iron phosphate production and processing according to claim 1, characterized in that: Handles (11) are fixedly connected to both the left and right sides of the liquid storage cylinder (6), and a limit cylinder (12) is fixedly connected to the upper surface of the control panel (5). A rubber pad (13) is provided inside the limit cylinder (12).
3. The slurry drying device for lithium iron phosphate production and processing according to claim 2, characterized in that: The liquid storage cylinder (6) is inserted into the inside of the limiting cylinder (12).
4. The slurry drying apparatus for lithium iron phosphate production and processing according to claim 1, characterized in that: The limiting unit includes a circular plate (91), which is disposed on the upper side inside the liquid storage cylinder (6). A fixing rod (92) is fixedly connected to the outer surface of the circular plate (91). A circular hole (93) is opened on the upper surface of the circular plate (91). A limiting plate (94) is fixedly connected to the outer side of the straight tube (9).
5. A slurry drying apparatus for lithium iron phosphate production and processing according to claim 4, characterized in that: The end of the fixing rod (92) away from the circular plate (91) is fixedly connected to the inner wall of the liquid storage cylinder (6), and the bottom surface of the limiting plate (94) is in contact with the upper surface of the circular plate (91).
6. A slurry drying apparatus for lithium iron phosphate production and processing according to claim 4, characterized in that: The circular hole (93) is located directly above the groove (7), and the straight tube (9) is inserted into the inside of the circular hole (93).
7. A slurry drying apparatus for lithium iron phosphate production and processing according to claim 1, characterized in that: The end of the hose (10) away from the straight pipe (9) is fixedly connected to the input end of the peristaltic pump (4), and the bottom surface of the straight pipe (9) and the inner bottom surface of the liquid storage cylinder (6) are on the same horizontal plane.
8. A slurry drying apparatus for lithium iron phosphate production and processing according to claim 1, characterized in that: The inner ring of the upper surface of the annular concave plate (8) is arranged in a downward inclined structure.