Solid-liquid separation filter for producing powdery monoammonium phosphate

Abstract

The utility model relates to the technical field of solid-liquid separation filters, and particularly discloses a solid-liquid separation filter for producing powdery monoammonium phosphate, which comprises a bottom plate, two symmetrical collecting tanks are mounted on the bottom plate, and a support frame is fixedly connected onto the bottom plate. The efficiency in the solid-liquid separation process is improved by introducing the vibration assembly and a rotating mechanism, that is, the first motor drives the cam to rotate, periodic downward pressure is applied to the disc, and the connecting rod drives the filtering tank to vibrate, so that the permeation speed of liquid in the screening holes is increased, and the filtering efficiency is improved; the rotating mechanism allows the filtering tank fully loaded with solids to be moved out of the upper part of the collecting tank, and a new empty filtering tank is replaced for continuous screening operation, so that the whole filtering process does not need to be stopped, continuous operation is ensured, liquid cannot be attached to the filtering tank in a vibrating state, residues of wet-process phosphoric acid during overturning and material cleaning of equipment are reduced, and the equipment quality is improved. And raw material waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid -liquid separation filter technology field, specifically is a solid -liquid separation filter for powdery monoammonium phosphate production. BACKGROUND

[0002] Ammonium dihydrogen phosphate, also known as monoammonium phosphate, is an inorganic compound, chemical formula is NH4H2PO4, is white crystalline powder, slightly soluble in ethanol, insoluble in acetone, mainly used as fire retardant of wood, fabric, paper, also can be used as chemical fertilizer, bread improver, food additive, the factory usually adopts wet-process phosphoric acid neutralization method, that is, obtains wet-process phosphoric acid from acidolysis phosphate rock, then ammonia gas or ammonia water is added to the wet-process phosphoric acid, and neutralization reaction is carried out under certain temperature and stirring conditions, the degree of neutralization is controlled, so that the product is monoammonium phosphate, and finally the finished product monoammonium phosphate particles or powder are obtained through the steps of filtering, washing and drying.

[0003] Wet-process phosphoric acid needs to be separated from phosphate rock before adding additives, and the Chinese patent with publication number CN211411261U discloses a monoammonium phosphate purification treatment device, which realizes filtering of the original solution by using a filter funnel, and ensures that the filter funnel can be turned over by a driving motor to discharge impurities in the filter funnel, so that the problem that the impurities filtered are not convenient to take out in the use of general purification treatment devices is solved, thereby bringing inconvenience to the workers.

[0004] In the above scheme, the effect of solid separation is completed by using a turnable funnel, but since the solution only relies on its own gravity to complete the filtering in the funnel, the filtering efficiency is slow, and a certain amount of wet-process phosphoric acid is easily attached to the funnel when it is turned over, which will cause waste of raw materials, and the filtering efficiency is affected when the funnel needs to be paused for cleaning. Therefore, we provide a solid-liquid separation filter for powdery monoammonium phosphate production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at making up for the deficiency of prior art, and provides a solid-liquid separation filter for powdery monoammonium phosphate production.

[0006] To achieve the above object, the utility model provides the following technical scheme: a solid-liquid separation filter for powdery monoammonium phosphate production, comprising:

[0007] A bottom plate is provided with two symmetrical collecting tanks.

[0008] A support frame is fixedly connected to the bottom plate, and two drainage hoppers are inlaid on the support frame and located directly above the collecting tanks.

[0009] The support seat is fixedly connected to the bottom plate, a driving shaft is rotatably connected to the support seat, a key groove is formed in the driving shaft, a key shaft is installed in the key groove, a disc is fixedly connected to the upper surface of the key shaft, four connection rods are fixedly connected to the disc in a circumferential array, a filter tank is installed on each connection rod, sieve holes are formed in the upper surface and the bottom surface of the filter tank, a driving assembly for driving the driving shaft to rotate is arranged on the support seat, and the switching of the filter tank on the collecting tank is completed through the rotation of the driving shaft.

[0010] The vibration assembly comprises a first motor installed on the support frame, a cam is installed on the output rotating shaft of the first motor, and the cam abuts against the disc, and a support assembly for elastically supporting the disc is arranged on the support seat.

[0011] The protection assembly is arranged above the bottom plate and is used for shielding and preventing splashing of the filter tank in the sieving state.

[0012] Further, a gap is left between the bottom surface of the collecting tank and the upper surface of the bottom plate, a drain pipe is fixedly communicated with the bottom surface of the collecting tank, and the drain pipe is located in the gap.

[0013] Further, the driving assembly comprises a second motor installed on the support seat, a transmission gear is installed on the output rotating shaft of the second motor and the driving shaft, and the two transmission gears are engaged with each other.

[0014] Further, the support assembly comprises a second telescopic rod fixedly connected to the support seat in a circumferential array, and the telescopic end of each second telescopic rod abuts against the disc.

[0015] Further, a slag discharge pipe is fixedly communicated with the bottom surface of the filter tank, and two slag collecting tanks are placed on the bottom plate.

[0016] Further, the protection assembly comprises a connecting block and two protective covers, the two protective covers are slidably connected to the two collecting tanks respectively, the protective covers are fixedly connected to the connecting block, an electric push rod is installed on the bottom plate, the telescopic end of the electric push rod is fixedly connected to the connecting block, a first telescopic rod is installed on the bottom plate, and the telescopic end of the first telescopic rod is fixedly connected to the connecting block.

[0017] Further, an arc chamfer is formed in the upper surface of the collecting tank.

[0018] Advantages:

[0019] Compared with the prior art, the solid-liquid separation filter for producing powdered monoammonium phosphate has the following advantages:

[0020] The utility model discloses a through the introduction vibration subassembly and rotation mechanism to promote the efficiency in the solid -liquid separation process, namely through the first motor drive cam rotation, periodicity is pressed to the disc, make the connecting rod drive filter jar produce vibration to the liquid in the screen hole speed of penetration of the sieve is accelerated, the filtration efficiency is improved, and the rotation mechanism allows the full solid of filter jar to be removed to collect the jar top and replace the new empty filter jar to continue to carry out the screen separation work, do not need to stop the whole filtration process, guarantee the continuity operation, and the filter jar under the vibration state does not attach the liquid, reduce the residual of wet process phosphoric acid when the equipment overturns the material, reduce the raw material waste. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 For the three-dimensional Figure 1 of the utility model

[0022] Figure 2 For the three-dimensional Figure 2 of the utility model

[0023] Figure 3 For the structure of the utility model Figure 2 A place amplification schematic view

[0024] Figure 4 For the sectional view of the utility model.

[0025] In the drawing: 1, bottom plate, 2, collection jar, 3, support frame, 4, drainage hopper, 5, protective cover, 6, connecting block, 7, electric push rod, 8, first telescopic rod, 9, liquid discharge pipe, 10, filter jar, 11, screen hole, 12, slag discharge pipe, 13, connecting rod, 14, disc, 15, first motor, 16, cam, 17, support seat, 18, drive shaft, 19, key shaft, 20, second telescopic rod, 21, second motor, 22, transmission gear, 23, slag collection jar. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the range of the utility model protection.

[0027] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a kind of solid-liquid separation filter for powder phosphoric monammonium production, including bottom plate 1, support frame 3, support seat 17, vibration subassembly and protection component.

[0028] Two symmetrical collecting tanks 2 are mounted on the bottom plate 1, the bottom surface of the collecting tank 2 is spaced apart from the upper surface of the bottom plate 1, the bottom surface of the collecting tank 2 is fixedly connected with a liquid discharge pipe 9, and the liquid discharge pipe 9 is located in the gap, the collecting tank 2 is used for receiving the filtered liquid, and the liquid discharge pipe 9 facilitates discharging the liquid in the collecting tank 2.

[0029] The support frame 3 is fixedly connected to the bottom plate 1, two drainage hoppers 4 are inlaid on the support frame 3, and the two drainage hoppers 4 are located directly above the collecting tank 2, the support frame 3 supports the drainage hoppers 4, so that the drainage hoppers 4 are above the collecting tank 2, and the solution generated after the acidolysis of the phosphate rock can be poured through the drainage hoppers 4.

[0030] The support seat 17 is fixedly connected to the bottom plate 1, the drive shaft 18 is rotatably connected to the support seat 17, the key groove is formed in the drive shaft 18, and the key shaft 19 is mounted in the key groove, the key shaft 19 can freely ascend and descend in the key groove of the drive shaft 18, and the drive shaft 18 can also drive the key shaft 19 to rotate through the key groove.

[0031] Specifically, the upper surface of the key shaft 19 is fixedly connected with a disc 14, the disc 14 is fixedly connected with four circumferentially arranged connecting rods 13, each connecting rod 13 is provided with a filter tank 10, the upper surface and the bottom surface of the filter tank 10 are provided with sieve holes 11, the support seat 17 is provided with a driving assembly for driving the drive shaft 18 to rotate, and the driving assembly drives the filter tank 10 to switch on the collecting tank 2 through the rotation of the drive shaft 18.

[0032] Two of the four filter tanks 10 are located above the two collecting tanks 2, the solution guided by the drainage hoppers 4 enters the filter tanks 10, and is separated into solid and liquid under the action of the sieve holes 11, and the key shaft 19 drives the filter tank 10 to rotate through the disc 14 and the connecting rod 13, so that the filter tank 10 filled with solid objects is moved away from the collecting tank 2, and the filter tank 10 not filled with solid objects is moved into the collecting tank 2 for further sieving operation.

[0033] The driving assembly comprises a second motor 21 mounted on the support seat 17, the output shaft of the second motor 21 and the drive shaft 18 are provided with transmission gears 22, and the two transmission gears 22 are engaged, so that the output shaft of the second motor 21 drives the drive shaft 18 to rotate synchronously through the two transmission gears 22, thereby providing the drive shaft 18 with a rotation power of 90 degrees.

[0034] The vibration assembly includes a first motor 15 mounted on a support frame 3. The output shaft of the first motor 15 is equipped with a cam 16, which abuts against a disc 14. A support assembly is provided on the support base 17 for elastically supporting the disc 14. The output shaft of the first motor 15 drives the cam 16 to rotate, and the cam 16 applies downward pressure to the disc 14. Under the action of the support assembly, the disc 14 drives the filter tank 10 to vibrate through the connecting rod 13, thereby accelerating the sieving efficiency of the solution in the filter tank 10. Furthermore, the filter tank 10 will not have liquid adhering to it during vibration.

[0035] The support assembly includes a second telescopic rod 20 that is circumferentially fixed to the support base 17. The telescopic end of each second telescopic rod 20 abuts against the disc 14. The second telescopic rod 20 is a spring telescopic rod in the prior art, and the disc 14 can be elastically supported by the spring inside it.

[0036] The bottom surface of the filter tank 10 is fixedly connected to the slag discharge pipe 12, and two slag collection tanks 23 are placed on the bottom plate 1. The solid matter collected in the filter tank 10 is discharged into the slag collection tank 23 through the slag discharge pipe 12.

[0037] The protective component is located above the base plate 1 and is used to shield the filter tank 10 in the screening state from splashing. The protective component includes a connecting block 6 and two protective covers 5. The two protective covers 5 are slidably connected to the two collection tanks 2 respectively, and the protective covers 5 are fixedly connected to the connecting block 6. An electric push rod 7 is installed on the base plate 1, and the telescopic end of the electric push rod 7 is fixedly connected to the connecting block 6. A first telescopic rod 8 is installed on the base plate 1, and the telescopic end of the first telescopic rod 8 is fixedly connected to the connecting block 6.

[0038] The connecting block 6 is moved by the telescopic end of the electric push rod 7, so that the connecting block 6 drives the two protective covers 5 to move up and down synchronously. When the protective cover 5 is in the rising state, the filter tank 10 is located inside the protective cover 5, and the protective cover 5 can prevent liquid splashing. When the protective cover 5 is in the falling state, the filter tank 10 can be removed from the collection tank 2.

[0039] The upper surface of the collection tank 2 is provided with an arc-shaped chamfer, which can be used to prevent liquid from accumulating on the upper surface of the collection tank 2.

[0040] It should be noted that in this paper, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected", "connected" should be understood broadly, for example, "mounted" can be fixedly connected, or can be detachably connected, or integrally connected; "connected" can be mechanical connection, or electrical connection; "connected" can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A solid-liquid separation filter for the production of powdered monoammonium phosphate, characterized in that, Include: The bottom plate (1), two symmetrical collection tank (2) are installed on the bottom plate (1); Support frame (3), fixedly connected to the bottom plate (1), the support frame (3) is inlaid with two drainage hopper (4), and two drainage hopper (4) is located directly above the collection tank (2); Support seat (17), fixedly connected to the bottom plate (1), the support seat (17) is rotatably connected with the drive shaft (18), the drive shaft (18) is provided with a key groove, and the key groove is provided with a key shaft (19), the upper surface of the key shaft (19) is fixedly connected with a disc (14), the disc (14) is fixedly connected with four connection rods (13) arranged in a circular array, each connection rod (13) is provided with a filter tank (10), the upper surface and the bottom surface of the filter tank (10) are provided with a screening hole (11), the support seat (17) is provided with a driving assembly for driving the drive shaft (18) to rotate, and the switching of the filter tank (10) on the collection tank (2) is completed by the rotation of the drive shaft (18); Vibration assembly, comprising a first motor (15) mounted on the support frame (3), the output shaft of the first motor (15) is provided with a cam (16), and the cam (16) abuts on the disc (14), the support seat (17) is provided with a support assembly for elastically supporting the disc (14); Protective assembly, provided above the bottom plate (1), used for shielding and preventing splashing of the filter tank (10) in the screening state.

2. The solid-liquid separation filter for producing powdered monoammonium phosphate according to claim 1, characterized in that: The bottom surface of the collection tank (2) and the upper surface of the bottom plate (1) leave a gap, the bottom surface of the collection tank (2) is fixedly communicated with a drain pipe (9), and the drain pipe (9) is located in the gap.

3. The solid-liquid separation filter for producing powdered monoammonium phosphate according to claim 1, characterized in that: The driving assembly includes a second motor (21) mounted on the support seat (17), and the output shaft of the second motor (21) and the drive shaft (18) are provided with a transmission gear (22), and the two transmission gears (22) are engaged.

4. The solid-liquid separation filter for producing powdered monoammonium phosphate according to claim 1, characterized in that: The support assembly includes a second telescopic rod (20) fixedly connected to the support seat (17) in a circular manner, and the telescopic end of each second telescopic rod (20) abuts on the disc (14).

5. The solid-liquid separation filter for producing powdered monoammonium phosphate according to claim 1, characterized in that: The bottom surface of the filter tank (10) is fixedly communicated with a slag discharge pipe (12), and two slag collecting tanks (23) are placed on the bottom plate (1).

6. The solid-liquid separation filter for producing powdered monoammonium phosphate according to claim 1, characterized by: The protective assembly includes a connecting block (6) and two protective covers (5), two protective covers (5) are respectively connected to two collection tanks (2) in a sliding manner, and the protective cover (5) is fixedly connected to the connecting block (6), an electric push rod (7) is mounted on the bottom plate (1), and the telescopic end of the electric push rod (7) is fixedly connected to the connecting block (6), a first telescopic rod (8) is mounted on the bottom plate (1), and the telescopic end of the first telescopic rod (8) is fixedly connected to the connecting block (6).

7. The solid-liquid separation filter for the production of powdered monoammonium phosphate according to claim 1, wherein the upper surface of the collection tank (2) is provided with an arc-shaped chamfer.

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