Bone source calcium hydrogen phosphate packaging dust removal and recovery system in gelatin production process
By introducing a bone-derived dicalcium phosphate packaging dust collection and recovery system into gelatin production, which utilizes a multi-stage cyclone and bag filter dust collector, the problem of easy diffusion of bone-derived dicalcium phosphate during packaging was solved, thus improving productivity.
Patent Information
- Application Number
- CN202520551951.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Bone-derived dicalcium phosphate is easily diffused into the air during the packaging process of gelatin production, leading to losses and affecting productivity.
A dust collection and recovery system for bone-derived dicalcium phosphate packaging is adopted, which includes a primary combined cyclone collector, a secondary combined cyclone collector, a star-shaped discharge machine, a cooling cyclone collector, a cooling bag filter, and other equipment. Through the dust collection and recovery system composed of multi-stage cyclones and bag filters, the system utilizes air hammers and variable frequency fans to achieve effective collection and recovery of materials.
It improved the productivity of bone-derived dicalcium phosphate, reduced dust loss, and increased production efficiency.
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Figure CN223812736U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to gelatin production technical field, especially relate to a bone source calcium hydrogen phosphate packing dust removal and recovery system in gelatin production process. BACKGROUND
[0002] Bone source calcium hydrogen phosphate is the by-product in the production process of bone gelatin. In the process of using hydrochloric acid to deal with bone particles, after the bone particles are soaked by hydrochloric acid, the concentration of hydrochloric acid is reduced to below 0.7%, and the solution is called poor acid. Because the poor acid contains a large amount of minerals, it is stirred with lime milk to produce neutralization reaction, and after precipitation, dehydration and drying, dihydrate calcium hydrogen phosphate is obtained, which is the main component of bone source calcium hydrogen phosphate. Bone source calcium hydrogen phosphate is mainly used as a calcium, phosphorus and other mineral supplement in feed, which is easy to be digested and absorbed by livestock and poultry.
[0003] Bone source calcium hydrogen phosphate product is a kind of light white powder, which is easy to diffuse with air in the packaging process, causing loss. Therefore, a system for recovering calcium hydrogen phosphate in the packaging process of producing bone source calcium hydrogen phosphate is urgently needed to improve the productivity of bone source calcium hydrogen phosphate. SUMMARY
[0004] The utility model provides a bone source calcium hydrogen phosphate packing dust removal and recovery system aiming at the loss of bone source calcium hydrogen phosphate and the problem of calcium hydrogen phosphate dust in the packaging process after drying.
[0005] A bone source calcium hydrogen phosphate packing dust removal and recovery system in gelatin production process, comprising a primary combined cyclone collector, a primary cyclone spiral discharger, a secondary combined cyclone collector, a star-shaped discharger, a cooling cyclone collector, a cooling cloth bag dust collector, a cloth bag discharging spiral conveyor, a discharging spiral conveyor, a cooling induced draft fan, a vibrating screen and a dust removal tank.
[0006] The dry hot air pipeline inlet is communicated with the primary combined cyclone collector through a pipeline, the primary combined cyclone collector is communicated with the primary cyclone spiral discharging machine through a bag filter and a star-shaped discharging machine, the primary cyclone spiral discharging machine is communicated with the cooling pipeline through a pipeline, the top of the primary combined cyclone collector is communicated with the secondary combined cyclone collector through a pipeline, the secondary combined cyclone collector is communicated with the cooling pipeline through a star-shaped discharging machine and a bag filter, the top of the secondary combined cyclone collector is communicated with the dry hot air pipeline outlet through a pipeline, the cooling pipeline is communicated with the cooling cyclone collector, the bottom of the cooling cyclone collector is communicated with the discharging screw conveyor through a bag filter, the top of the cooling cyclone collector is communicated with the cooling bag-type dust collector through a pipeline, the bottom of the cooling bag-type dust collector is communicated with the bag-type discharging screw conveyor through a bag filter, the top of the cooling bag-type dust collector is communicated with the cooling induced draft fan air inlet through a pipeline, the cooling induced draft fan air outlet is communicated with the cooling pipeline outlet, the bag-type discharging screw conveyor outlet is communicated with the discharging screw conveyor, the discharging screw conveyor outlet is connected to the vibrating screen through a pipeline, the upper layer of the vibrating screen is a vibrating screen slag outlet, and the lower layer is a vibrating screen discharging outlet; the vibrating screen discharging outlet is wrapped by a dust removal box, and the dust removal box is connected to the cooling pipeline through a pipeline.
[0007] The primary combined cyclone collector, the secondary combined cyclone collector, the star-shaped discharging machine, the cooling cyclone collector and the cooling bag-type dust collector are all provided with air hammers driven by compressed air.
[0008] The threads inside the primary cyclone spiral discharging machine are opposite on the left and the right.
[0009] The cooling induced draft fan is a variable frequency fan.
[0010] The working process and working principle of the utility model are as follows:
[0011] The dry hot air carries the materials into the first combined cyclone collector through the dry hot air pipeline inlet, the first combined cyclone collector collects the materials from the lower outlet into the cooling pipeline through the air lock and the first cyclone spiral discharging machine, and the remaining uncollected materials are guided into the second combined cyclone collector through the pipeline from the upper outlet of the first combined cyclone collector; the second combined cyclone collector collects the materials from the lower outlet into the star-shaped discharging machine, and the materials are guided into the cooling pipeline through the air lock of the star-shaped discharging machine; the cooling pipeline is provided with air by the cooling air fan, cold air is guided into the cooling pipeline from the air inlet of the cooling pipeline, the materials in the cooling pipeline are cooled and carried into the cooling cyclone collector, the materials are collected in the cooling cyclone collector and guided into the discharging screw conveyor through the air lock, the remaining materials are guided into the cooling bag-type dust collector from the upper outlet of the cooling cyclone collector, the materials are collected in the cooling bag-type dust collector and guided into the bag-type discharging screw conveyor through the air lock, the materials are guided into the discharging screw conveyor through the bag-type screw conveyor, and the materials are guided into the vibration screen through the discharging screw conveyor, and then are packaged and collected from the discharging outlet of the vibration screen.
[0012] The utility model discloses the beneficial effects of
[0013] The dust removal box utilizes the air power of the cooling air fan to recycle the calcium hydrogen phosphate product diffused with air from the discharging outlet of the vibration screen to the cooling pipeline, and then the calcium hydrogen phosphate product is recycled through the cooling cyclone collector and the cooling bag-type dust collector, the bag-type discharging screw conveyor and the discharging screw conveyor into the vibration screen, thereby improving the productivity of the bone-derived calcium hydrogen phosphate. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model discloses the beneficial effects of
[0015] Figure 1 Middle: 1 - dry hot air pipeline inlet, 2 - first combined cyclone collector, 3 - first cyclone spiral discharging machine, 4 - second combined cyclone collector, 5 - star-shaped discharging machine, 6 - dry hot air pipeline outlet, 7 - cooling pipeline air inlet, 8 - cooling cyclone collector, 9 - discharging screw conveyor, 10 - cooling bag-type dust collector, 11 - bag-type discharging screw conveyor, 12 - vibration screen, 13 - vibration screen discharging outlet, 14 - vibration screen slag outlet, 15 - dust removal box, 16 - cooling air fan, 17 - cooling pipeline outlet, 18 - compressed air, 19 - air lock, 20 - cooling pipeline, 21 - air hammer. DETAILED DESCRIPTION
[0016] Please refer to Figure 1As shown in the figure, a dust removal system for bone-derived dicalcium phosphate packaging in gelatin production includes a primary combined cyclone collector 2, a primary cyclone screw conveyor 3, a secondary combined cyclone collector 4, a star-shaped conveyor 5, a cooling cyclone collector 8, a cooling bag dust collector 10, a bag discharge screw conveyor 11, a discharge screw conveyor 9, a cooling fan 16, a vibrating screen 12, and a dust collection box 15.
[0017] The inlet 1 of the drying hot air duct is connected to the primary combined cyclone collector 2 via a duct. The lower opening of the primary combined cyclone collector 2 is connected to the primary cyclone screw conveyor 3 via a shut-off fan 19. The primary cyclone screw conveyor 3 is connected to the cooling duct 20 via a duct. The top opening of the primary combined cyclone collector 2 is connected to the secondary combined cyclone collector 4 via a duct. The lower part of the secondary combined cyclone collector 4 is connected to the cooling duct 20 via a star-shaped conveyor 5 and a shut-off fan 19. The upper part of the secondary combined cyclone collector 4 is connected to the outlet 6 of the drying hot air duct via a duct. The cooling duct 20 is connected to the cooling cyclone collector 8. The lower part of the cooling cyclone collector 8 is connected to the discharge screw conveyor 9 via a shut-off fan 19. The cooling cyclone collector 8 is connected to the cooling bag filter 10 via a pipe at its top; the cooling bag filter 10 is connected to the bag discharge screw conveyor 11 via a shut-off fan 19 at its bottom; the cooling bag filter 10 is connected to the air inlet of the cooling induced draft fan 16 via a pipe at its top; the air outlet of the cooling induced draft fan 16 is connected to the outlet of the cooling pipeline 17; the outlet of the bag discharge screw conveyor 11 is connected to the discharge screw conveyor 9; the outlet of the discharge screw conveyor 9 is connected to the vibrating screen 12 via a pipe; the upper layer of the vibrating screen 12 is the slag outlet 14, and the lower layer is the discharge outlet 13; the discharge outlet 13 is covered by a dust collection box 15; the dust collection box 15 is connected to the cooling pipeline 20 via a pipe.
[0018] The primary combined cyclone collector 2, the secondary combined cyclone collector 4, the star-shaped discharge machine 5, the cooling cyclone collector 8, and the cooling bag dust collector 10 are all equipped with air hammers 21. The air hammers 21 are driven by compressed air 18. The installation of air hammers 21 is conducive to the downward flow of materials and prevents materials from adhering and clogging.
[0019] The internal threads of the first-stage cyclone screw feeder 3 are reversed on the left and right sides.
[0020] The cooling fan 16 is a variable frequency fan.
[0021] The working process and working principle of this embodiment:
[0022] Dry hot air carries material into the first combined cyclone collector 2 through the inlet 1 of the drying pipeline. The first combined cyclone collector 2 collects the material from the lower outlet and enters the cooling pipeline 20 through the air lock 19 and the first cyclone screw conveyor 3. The remaining uncollected material enters the second combined cyclone collector 4 through the pipeline from the upper outlet of the first combined cyclone collector 2. The second combined cyclone collector 4 collects the material from the lower outlet and enters the star-shaped discharge machine 5. The material enters the cooling pipeline 20 through the air lock 19 from the lower outlet of the star-shaped discharge machine 5. The cooling pipeline 20 is provided with air flow by the cooling air fan 16. The cold air enters the cooling pipeline inlet 7 and carries the material in the cooling pipeline 20 to the cooling cyclone collector 8. The material is collected by the cooling cyclone collector 8 and enters the discharge screw conveyor 9 through the air lock 19. The remaining material enters the cooling bag dust collector 10 through the upper outlet of the cooling cyclone collector 8. The material is collected by the cooling bag dust collector 10 and enters the bag discharge screw conveyor 11 through the air lock 19. The material enters the discharge screw conveyor 9 through the bag screw conveyor 11. The material enters the vibrating screen 12 through the discharge screw conveyor 9 and is packaged and collected through the vibrating screen discharge port 13. The material dispersed in the air during packaging is collected by the dust removal box 15 and enters the cooling pipeline 20. The material is recycled through the cooling cyclone collector 8 and the cooling bag dust collector 10, the bag discharge screw conveyor 11, the discharge screw conveyor 9, the vibrating screen 12, and the vibrating screen discharge port 13 for packaging and collection.
Claims
1. A bone derived dicalcium phosphate dust removal and recovery system for packaging in a gelatin production process, characterized by: The application relates to a combined cyclone collector, a cyclone spiral discharging machine, a star-shaped discharging machine, a cooling cyclone collector, a cooling cloth bag dust collector, a cloth bag discharging spiral conveyor, a discharging spiral conveyor, a cooling induced draft fan, a vibrating screen and a dust removal box.
2. The bone derived calcium phosphate packing dedusting and recycling system in gelatin production process according to claim 1, characterized in that: The first combined cyclone collector, the second combined cyclone collector, the star-shaped discharging machine, the cooling cyclone collector and the cooling cloth bag dust collector are all provided with air hammers driven by compressed air.
3. The bone derived calcium phosphate packing dedusting and recycling system in gelatin production process according to claim 1, characterized in that: The first cyclone spiral discharging machine is internally provided with threads with opposite left and right directions.
4. The bone derived calcium phosphate packing dedusting and recycling system in gelatin production process according to claim 1, characterized in that: The cooling induced draft fan is a variable frequency fan.