Device for preparing anhydrous calcium hydrogen phosphate through efficient spray drying
By introducing spray drying and secondary drying mechanisms into the anhydrous calcium hydrogen phosphate preparation equipment, the problems of uneven solution heating and slow evaporation rate are solved, and efficient and high-purity anhydrous calcium hydrogen phosphate preparation is achieved.
Patent Information
- Application Number
- CN202422512588.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Existing anhydrous calcium hydrogen phosphate preparation equipment has problems such as uneven solution heating, slow evaporation rate, low drying efficiency and poor particle purity.
A high-efficiency spray drying device is used, including a spray drying mechanism and a secondary drying mechanism. The wet calcium phosphate solution is stirred and oscillated and sprayed by the spray drying mechanism to enhance the contact with hot air, and the spray-dried particles are further processed by the secondary drying mechanism.
The evaporation rate and drying efficiency of the wet calcium phosphate solution are improved, the purity and drying effect of the particles are enhanced, and the efficient preparation of anhydrous calcium hydrogen phosphate is ensured.
Smart Images
Figure CN223439171U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to anhydrous dibasic calcium phosphate preparation technical field, concretely relates to high -efficient spray drying preparation anhydrous dibasic calcium phosphate device. BACKGROUND
[0002] Calcium hydrogen phosphate is an inorganic compound, is a white crystalline powder, is mainly used as food additive, and its preparation process generally needs to pass through the neutralization reaction of phosphoric acid and limestone, then passes through the precipitation and filtration operation, carries out drying treatment again, needs to improve the drying treatment effect correspondingly to guarantee its better modification and optimization.
[0003] The operation steps of the existing drying equipment for preparing anhydrous dibasic calcium phosphate generally are that wet calcium phosphate after precipitation and filtration is added to the heating equipment, the solution is heated and evaporated, then the sewage calcium hydrogen phosphate particles obtained after evaporation are stored, the existing treatment device can complete the evaporation of wet calcium phosphate solution, realizes the drying preparation of calcium hydrogen phosphate, however, in actual use process, the existing device directly heats the whole wet calcium phosphate solution, uneven heating of the solution is prone to, the evaporation speed is slow, and there is the problem of low drying efficiency, and there are many impurities in the particles after evaporation, so that the purity of the stored calcium hydrogen phosphate particles is poor, therefore, in view of the defects of the existing drying equipment for preparing anhydrous dibasic calcium phosphate, we urgently need to improve the high -efficient spray drying preparation anhydrous dibasic calcium phosphate device to solve the above problems. UTILITARIAN CONTENT
[0004] The utility model aims at providing high -efficient spray drying preparation anhydrous dibasic calcium phosphate device to solve the problem raised in the above -mentioned background art.
[0005] To achieve the above object, the utility model provides the following technical scheme: high -efficient spray drying preparation anhydrous dibasic calcium phosphate device, including mounting frame and the storage bucket of containing the wet calcium phosphate after filtration, the storage bucket is provided with the feed pipe of wet calcium phosphate solution, the storage bucket and mounting frame are provided with the spray drying mechanism that dries wet calcium phosphate solution, the mounting frame is provided with the secondary drying mechanism that the anhydrous dibasic calcium phosphate particles obtained by the spray drying mechanism drying are further dried.
[0006] Preferably, the spray drying mechanism comprises a swing assembly for swing spraying the wet calcium phosphate solution, a driving motor is arranged in the swing assembly, the driving motor is fixedly installed on the top of the storage barrel, a connecting shaft is fixedly installed on the output shaft of the driving motor, a connecting V-shaped disc is fixedly installed on the outside of the connecting shaft, a driving wheel is rotatably installed on the outside of the connecting V-shaped disc, a first connecting frame is fixedly installed in the inside of the mounting bracket, a movable disc is slidably installed in the inside of the first connecting frame, an atomizing nozzle is fixedly installed on the outside of the movable disc, a liquid pumping pump is fixedly installed on the outside of the storage barrel, a second connecting frame is fixedly installed on the outside of the mounting bracket, a heating device is arranged on the top of the second connecting frame, so as to drive the atomizing nozzle to swing left and right, thereby improving the contact effect of the wet calcium phosphate solution and hot air.
[0007] Preferably, a split rotating groove is arranged on the side of the movable disc facing the driving wheel, the driving wheel is in contact with the inside of the split rotating groove, and the output end of the liquid pumping pump is fixedly installed in the inside of the atomizing nozzle, so as to realize the reciprocating swing of the movable disc.
[0008] Preferably, the spray drying mechanism further comprises a stirring assembly for stirring the wet calcium phosphate solution in the inside of the storage barrel, thereby improving the atomization drying effect, a connecting frame is arranged in the stirring assembly, the connecting frame is fixedly installed on the top of the storage barrel, a connecting rod is rotatably installed in the connecting frame, stirring blades are fixedly installed on the outside of the connecting rod, a first bevel gear is fixedly installed on the top of the connecting frame, and a second bevel gear is fixedly installed on the outside of the connecting shaft, so as to stir the wet calcium phosphate solution in the inside of the storage barrel, thereby improving the dissolution effect and enhancing the atomization drying in the later stage.
[0009] Preferably, the first bevel gear is engaged with the second bevel gear, and the connecting rod is rotatably installed in the inside of the storage barrel, so as to stir the wet calcium phosphate solution in the inside of the storage barrel, thereby avoiding the precipitation phenomenon.
[0010] Preferably, the secondary drying mechanism comprises a mounting seat, the mounting seat is fixedly installed on the inside of the bottom of the mounting bracket, a calcining furnace body is fixedly installed on the top of the mounting seat, a driving unit is fixedly installed on the outside of the calcining furnace body, so as to rotate the anhydrous dibasic calcium phosphate particles in the inside of the calcining furnace body, a coal injection heating unit is arranged on the outside of the calcining furnace body, so as to heat the anhydrous dibasic calcium phosphate particles in the inside of the calcining furnace body, and a discharging unit is arranged on the outside of the calcining furnace body, so as to further dry the anhydrous dibasic calcium phosphate particles obtained by the spray drying mechanism.
[0011] Preferably, an inlet pipe is arranged on the top of the calcining furnace body and communicates with the second connecting frame, so as to fully dry the anhydrous dibasic calcium phosphate particles.
[0012] Compared with the prior art, the high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate has the following beneficial effects:
[0013] 1. The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate, by setting the spray drying mechanism for drying the wet calcium phosphate solution in the storage barrel and the mounting frame, the wet calcium phosphate solution in the storage barrel can be stirred during use, the dissolution effect is improved, the later atomization drying is enhanced, and under the cooperation of the swing assembly, the atomization nozzle can be driven to swing left and right, so that the contact of the wet calcium phosphate solution with hot air is improved, and the spray drying efficiency is improved.
[0014] 2. The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate, by setting the secondary drying mechanism in the mounting frame, the anhydrous dibasic calcium phosphate particles obtained by the spray drying mechanism can be further dried during use, the anhydrous dibasic calcium phosphate particles are fully dried, and the practicality of the device is further enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram Figure One .
[0016] Figure 2 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram Figure Two .
[0017] Figure 3 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram of the swing assembly Figure One .
[0018] Figure 4 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram of the swing assembly Figure Two .
[0019] Figure 5 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram of the stirring assembly.
[0020] Figure 6 The high-efficiency spray drying device for preparing anhydrous dibasic calcium phosphate is shown in the stereoscopic structure diagram of the secondary drying mechanism.
[0021] In the figure: 1, mounting frame; 2, storage barrel; 3, feed pipe; 4, spray drying mechanism; 41, swing assembly; 411, drive motor; 412, connecting shaft; 413, connecting V-shaped disc; 414, drive wheel; 415, first connecting frame; 416, movable disc; 417, atomizing nozzle; 418, liquid pump; 419, second connecting frame; 4110, heating equipment; 42, stirring assembly; 421, connecting frame; 422, connecting rod; 423, stirring blade; 424, first bevel gear; 425, second bevel gear; 5, secondary drying mechanism; 51, mounting seat; 52, calcining furnace body; 53, drive unit; 54, coal injection heating unit; 55, discharge unit. DETAILED DESCRIPTION
[0022] In order to further understand the characteristics, technical means and specific purposes and functions achieved by the present application, the present application will be described in further detail below in conjunction with the drawings and specific embodiments.
[0023] Embodiment one: please refer to Figures 1-5 The present application provides a technical solution: an efficient spray drying device for preparing anhydrous dibasic calcium phosphate, which comprises a mounting frame 1 and a storage barrel 2 for storing filtered wet calcium phosphate, a feed pipe 3 for feeding the wet calcium phosphate solution into the storage barrel 2, a spray drying mechanism 4 provided in the storage barrel 2 and the mounting frame 1 for drying the wet calcium phosphate solution, and a secondary drying mechanism 5 provided in the mounting frame 1 for further drying the anhydrous dibasic calcium phosphate particles obtained by the spray drying mechanism 4.
[0024] Further, the spray drying mechanism 4 comprises a swing assembly 41 for swing spraying the wet calcium phosphate solution, a drive motor 411 provided in the swing assembly 41, the drive motor 411 being fixedly installed on the top of the storage barrel 2, a connecting shaft 412 fixedly installed on the output shaft of the drive motor 411, a connecting V-shaped disc 413 fixedly installed on the outside of the connecting shaft 412, a drive wheel 414 rotatably installed on the outside of the connecting V-shaped disc 413, a first connecting frame 415 fixedly installed inside the mounting frame 1, a movable disc 416 slidably installed inside the first connecting frame 415, an atomizing nozzle 417 fixedly installed on the outside of the movable disc 416, a liquid pump 418 fixedly installed on the outside of the storage barrel 2, and a second connecting frame 419 fixedly installed on the outside of the mounting frame 1, the second connecting frame 419 being provided with a heating equipment 4110 at the top, so as to facilitate the swing of the atomizing nozzle 417 left and right, thereby improving the contact effect of the wet calcium phosphate solution and hot air.
[0025] Further, the movable disc 416 is provided with a split rotating groove on the side facing the drive wheel 414, the drive wheel 414 is in contact with the inside of the split rotating groove, and the output end of the liquid pump 418 is fixedly installed with the atomizing nozzle 417 inside, so as to facilitate the reciprocating swing of the movable disc 416.
[0026] Further, the spray drying mechanism 4 further comprises a stirring assembly 42 for stirring the wet calcium phosphate solution in the storage barrel 2 to improve the atomization and drying effect. The stirring assembly 42 is provided with a connecting frame 421 fixedly installed on the top of the storage barrel 2, a connecting rod 422 rotatably installed in the connecting frame 421, stirring blades 423 fixedly installed on the outer portion of the connecting rod 422, a first bevel gear 424 fixedly installed on the top of the connecting frame 421, and a second bevel gear 425 fixedly installed on the outer portion of the connecting shaft 412. The wet calcium phosphate solution in the storage barrel 2 can be stirred to improve the dissolution effect and enhance the atomization and drying in the later stage.
[0027] Further, the first bevel gear 424 is engaged with the second bevel gear 425, and the connecting rod 422 is rotatably installed in the storage barrel 2, so as to facilitate the stirring of the wet calcium phosphate solution in the storage barrel 2 and avoid the precipitation phenomenon.
[0028] Embodiment Two: Please refer to Figure 6 Further, according to Embodiment One, it is further obtained that the secondary drying mechanism 5 comprises a mounting seat 51 fixedly installed on the inner side of the bottom of the mounting frame 1, a calcining furnace body 52 fixedly installed on the top of the mounting seat 51, a driving unit 53 fixedly installed on the outer portion of the calcining furnace body 52 for rotating the anhydrous calcium hydrogen phosphate particles in the calcining furnace body 52, a coal injection heating unit 54 provided on the outer portion of the calcining furnace body 52 for heating the anhydrous calcium hydrogen phosphate particles in the calcining furnace body 52, and a discharging unit 55 provided on the outer portion of the calcining furnace body 52 for facilitating the further drying treatment of the anhydrous calcium hydrogen phosphate particles dried by the spray drying mechanism 4.
[0029] Further, the top of the calcining furnace body 52 is provided with a feeding pipe communicated with the second connecting frame 419, so as to facilitate the sufficient drying of the anhydrous calcium hydrogen phosphate particles.
[0030] In actual operation, first, the wet calcium phosphate solution after neutralization reaction, precipitation and filtration is introduced into the storage barrel 2 from the feed pipe 3, then, the driving motor 411 can be opened, the connecting shaft 412 is rotated, the second bevel gear 425 is rotated, the first bevel gear 424 engaged with the second bevel gear 425 is rotated, the connecting rod 422 is rotated in the connecting frame 421, under the action of the stirring blade 423, the wet calcium phosphate solution in the storage barrel 2 is stirred, then, in order to improve the drying effect of the wet calcium phosphate solution, the liquid pump 418 can be opened, the wet calcium phosphate solution in the storage barrel 2 is pumped out, the wet calcium phosphate solution can be atomized through the atomizing nozzle 417 and sprayed into the second connecting frame 419, at the same time, the heating device 4110 can be opened, the temperature in the second connecting frame 419 is increased, when the wet calcium phosphate solution is atomized, it is in contact with hot air, water is quickly evaporated, and anhydrous dibasic calcium phosphate particles are formed, and during the atomization process, the connecting shaft 412 is rotated, the connecting V-shaped disc 413 is synchronously rotated, the driving wheel 414 is in contact with the sub-rotation groove in the movable disc 416, the movable disc 416 is left and right shaken in the first connecting frame 415, the atomizing nozzle 417 is swung, so that the wet calcium phosphate solution is uniformly sprayed in the second connecting frame 419, is in contact with hot air, and the particle forming effect is improved, the anhydrous dibasic calcium phosphate falls into the calcining furnace body 52 through the feed pipe, then the coal injection heating unit 54 can be opened, the particles in the calcining furnace body 52 are calcined, at the same time, the driving unit 53 can be opened, the particles in the interior are rotated, the heating effect is improved, the calcined particles can be discharged through the discharge unit 55 and stored.
[0031] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. An efficient spray drying device for preparing anhydrous calcium hydrogen phosphate, comprising a mounting frame (1) and a storage barrel (2) for holding filtered wet calcium phosphate, characterized in that: A feeding pipe (3) for introducing a wet calcium phosphate solution is provided in the storage barrel (2), a spray drying mechanism (4) for drying the wet calcium phosphate solution is provided in the storage barrel (2) and the mounting frame (1), and a secondary drying mechanism (5) for further drying the anhydrous calcium hydrogen phosphate particles obtained by drying the spray drying mechanism (4) is provided in the mounting frame (1).
2. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 1, characterized in that: The spray drying mechanism (4) comprises an oscillating assembly (41) capable of oscillating and spraying the wet calcium phosphate solution. A driving motor (411) is provided in the oscillating assembly (41), the driving motor (411) is fixedly mounted on the top of the storage barrel (2), a connecting shaft (412) is fixedly mounted on the output shaft of the driving motor (411), a connecting V-shaped disc (413) is fixedly mounted on the outside of the connecting shaft (412), and a driving wheel is rotatably mounted on the outside of the connecting V-shaped disc (413). (414), a first connecting frame (415) is fixedly installed inside the mounting frame (1), a movable disk (416) is slidably installed inside the first connecting frame (415), an atomizing nozzle (417) is fixedly installed outside the movable disk (416), a liquid pump (418) is fixedly installed outside the storage barrel (2), a second connecting frame (419) is fixedly installed outside the mounting frame (1), and a heating device (4110) is provided on the top of the second connecting frame (419).
3. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 2, characterized in that: The movable disc (416) is provided with a distribution groove on one side facing the driving wheel (414), the driving wheel (414) is in contact with the inside of the distribution groove, and the output end of the liquid pump (418) is fixedly installed inside the atomizing nozzle (417).
4. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 2, characterized in that: The spray drying mechanism (4) further comprises a stirring assembly (42) for stirring the wet calcium phosphate solution in the storage barrel (2) to improve the atomization drying effect. A connecting frame (421) is provided in the stirring assembly (42). The connecting frame (421) is fixedly mounted on the top of the storage barrel (2). A connecting rod (422) is rotatably mounted in the connecting frame (421). A stirring blade (423) is fixedly mounted on the outside of the connecting rod (422). A first bevel gear (424) is fixedly mounted on the top of the connecting frame (421), and a second bevel gear (425) is fixedly mounted on the outside of the connecting shaft (412).
5. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 4, characterized in that: The first bevel gear (424) is meshed with the second bevel gear (425), and the connecting rod (422) is rotatably mounted inside the storage barrel (2).
6. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 1, characterized in that: The secondary drying mechanism (5) comprises a mounting seat (51), the mounting seat (51) being fixedly mounted on the inner side of the bottom of the mounting frame (1), a calcining furnace body (52) being fixedly mounted on the top of the mounting seat (51), a driving unit (53) being fixedly mounted on the outside of the calcining furnace body (52) for rotating the anhydrous calcium hydrogen phosphate particles inside the calcining furnace body (52), a coal injection heating unit (54) being arranged on the outside of the calcining furnace body (52) for heating the anhydrous calcium hydrogen phosphate particles inside the calcining furnace body (52), and a discharging unit (55) being arranged on the outside of the calcining furnace body (52).
7. The device for preparing anhydrous calcium hydrogen phosphate by efficient spray drying according to claim 6, characterized in that: A feed pipe communicating with the second connecting frame (419) is provided on the top of the calcining furnace body (52).