CN212531455U - Positive pressure powder supply system for on-line screening and weighing - Google Patents
Positive pressure powder supply system for on-line screening and weighing Download PDFInfo
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- CN212531455U CN212531455U CN202020505316.7U CN202020505316U CN212531455U CN 212531455 U CN212531455 U CN 212531455U CN 202020505316 U CN202020505316 U CN 202020505316U CN 212531455 U CN212531455 U CN 212531455U
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Abstract
The utility model relates to a malleation is screening on line and supplies powder system of weighing belongs to flour screening and the technical field that weighs on line. The device comprises a bulk flour tank truck, a two-way valve, a pulse dust collector, a delivery screening mechanism A, a discharge weighing mechanism B, a Roots blower and a flour storage bin; the bulk flour tank truck is connected with the flour storage bin through a pipeline, and a double-way valve is arranged on the pipeline; the flour storage bin is connected with the discharging screening mechanism A, and the discharging screening mechanism A is connected with the discharging weighing mechanism B; the Roots blower is connected with the delivery screening mechanism A; the upper end of the flour storage bin is also provided with a pulse dust collector. The system has the advantages of simple process flow, building area saving, reduction in the height of a storage bin and a workshop building, realization of simultaneous screening, metal foreign matter removal and weighing in a positive pressure online environment, high speed and high efficiency. The multi-bin discharging and multi-point discharging can be realized, the whole process is positive-pressure closed, and the safety, sanitation and environmental protection are realized, so that the safety of food materials is practically ensured, and the investment cost and the operation and maintenance cost are reduced.
Description
Technical Field
The utility model relates to a malleation is screening on line and supplies powder system of weighing belongs to flour screening and the technical field that weighs on line.
Background
At present, in order to reduce labor cost and improve food safety, various food enterprises are continuously building new powder supply systems or expanding the powder supply systems beside original workshops, and the schematic diagram of the powder supply system is specifically shown in fig. 1. The flour is purchased from a flour mill through a bulk cargo tank car; powder using terminals of a food workshop are usually multi-point materials, positive pressure on-line screening and weighing cannot be realized in the conventional pneumatic conveying system, and the powder using terminals are firstly measured in batches under normal pressure after being taken out of a bin and then conveyed by a Roots blower and a pressure transportation air seal machine; before reaching the terminal, the powder is collected by using a cyclone of a Spanish Kerong and then is sieved under normal pressure, and then the powder enters the terminal or is conveyed again by using pneumatic power to reach a far powder using point, and each material receiving terminal is required to be provided with an air net and dust removing equipment; similar feeding systems have complex equipment combination, large occupied building area, higher vertical space requirement, low efficiency, more potential fault points and high investment and operation cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned weak point, providing a malleation supplies powder system with weighing on-line screening, guarantees the safety of food material conscientiously, has reduced investment cost and operation maintenance cost.
The technical scheme of the utility model, a positive pressure on-line screening and weighing powder supply system, comprises a bulk flour tank truck, a two-way valve, a pulse dust collector, a discharging screening mechanism A, a discharging weighing mechanism B, a Roots blower and a flour storage bin;
the bulk flour tank truck is connected with the flour storage bin through a pipeline, and a double-way valve is arranged on the pipeline; the flour storage bin is connected with the discharging screening mechanism A, and the discharging screening mechanism A is connected with the discharging weighing mechanism B; the Roots blower is connected with the delivery screening mechanism A; the upper end of the flour storage bin is also provided with a pulse dust collector.
Further, the discharging screening mechanism A comprises a vibrating discharger, a closed air type feeding auger, a positive pressure air seal machine, a positive pressure online airflow screen and a pipeline magnetic separator; the lower end of the flour storage bin is connected with a vibration discharger, the vibration discharger is connected with an air-closed feeding auger, and the air-closed feeding auger is connected with a positive pressure air seal machine; the positive pressure air seal machinery is connected with the positive pressure on-line airflow screen, the positive pressure on-line airflow screen is connected with the pipeline magnetic separator, and the pipeline magnetic separator is connected with the unloading weighing mechanism B through a pipeline.
Furthermore, the two-way valve is connected with two flour storage bins through pipelines, and a vibration discharger is arranged at the lower end of each flour storage bin; the upper end of the air-closed feeding auger is connected with the two vibrating dumpers, and the lower end of the air-closed feeding auger is connected with the positive pressure air seal machine.
In one embodiment of the present invention, the unloading and weighing mechanism B comprises a weighing bin, an airtight butterfly valve and a rotary unloading valve; the upper end of the weighing bin is provided with a rotary discharge valve, and the lower end of the weighing bin is provided with an air-tight butterfly valve; the pipeline magnetic separator is communicated with the rotary discharge valves at the upper ends of the weighing bins in sequence through pipelines.
Furthermore, the gas circuit pipeline at the outlet of the rotary discharge valve is divided by a double-way valve and flows back to the gas circuits of the two flour storage bins.
In another embodiment of the present invention, the unloading and weighing mechanism B comprises a two-way valve, a weighing bin and a gas-tight butterfly valve; the lower end of the weighing bin is provided with an air-tight butterfly valve; the pipeline magnetic separator is connected with a double-way valve through a pipeline, and the double-way valve is communicated with the weighing bins in a flexible connection manner; the two-way valve also flows back to the two flour storage bins through another pipeline.
The utility model has the advantages that: the system has the advantages of simple process flow, building area saving, reduction in the height of a storage bin and a workshop building, realization of simultaneous screening, metal foreign matter removal and weighing in a positive pressure online environment, high speed and high efficiency. The multi-bin discharging and multi-point discharging can be realized, the whole process is positive-pressure closed, and the safety, sanitation and environmental protection are realized, so that the safety of food materials is practically ensured, and the investment cost and the operation and maintenance cost are reduced.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Description of reference numerals: 1. bulk flour tankers; 2. a two-way valve; 3. a pulse dust collector; 4. vibrating the discharger; 5. a closed air type feeding auger; 6. a positive pressure air seal machinery; 7. a Roots blower; 8. a positive pressure on-line air flow screen; 9. a pipeline magnetic separator; 10. rotating the discharge valve; 11. a weighing bin; 12. an airtight butterfly valve; 13. a flour storage bin.
Detailed Description
Example 1
As shown in figure 1, the positive pressure on-line screening and weighing powder supply system comprises a bulk flour tank truck 1, a two-way valve 2, a pulse dust collector 3, a bin discharging screening mechanism A, a discharging weighing mechanism B, a Roots blower 7 and a flour storage bin 13;
the bulk flour tank truck 1 is connected with a flour storage bin 13 through a pipeline, and a double-way valve 2 is arranged on the pipeline; the flour storage bin 13 is connected with the discharging screening mechanism A, and the discharging screening mechanism A is connected with the discharging weighing mechanism B; the Roots blower 7 is connected with the delivery screening mechanism A; the upper end of the flour storage bin 13 is also provided with a pulse dust collector 3.
The discharging screening mechanism A comprises a vibrating discharger 4, an air-closed feeding auger 5, a positive pressure air seal machine 6, a positive pressure online airflow screen 8 and a pipeline magnetic separator 9; the lower end of the flour storage bin 13 is connected with a vibration discharger 4, the vibration discharger 4 is connected with an air-closed feeding auger 5, and the air-closed feeding auger 5 is connected with a positive pressure air seal machine 6; the positive pressure airlock 6 is connected with a positive pressure online airflow screen 8, the positive pressure online airflow screen 8 is connected with a pipeline magnetic separator 9, and the pipeline magnetic separator 9 is connected with a discharging weighing mechanism B through a pipeline.
The double-way valve 2 is connected with two flour storage bins 13 through pipelines, and the lower end of each flour storage bin 13 is provided with a vibration discharger 4; the upper end of the air-closed feeding auger 5 is connected with two vibrating dumpers 4, and the lower end is connected with a positive pressure air seal machine 6.
The unloading weighing mechanism B comprises a weighing bin 11, an airtight butterfly valve 12 and a rotary unloading valve 10; the upper end of the weighing bin 11 is provided with a rotary discharge valve 10, and the lower end of the weighing bin is provided with an airtight butterfly valve 12; the pipeline magnetic separator 9 is sequentially communicated with rotary discharge valves 10 at the upper ends of a plurality of weighing bins 11 through pipelines.
And the gas path pipeline at the outlet of the rotary discharge valve 10 is divided by a two-way valve 2 and flows back to the gas paths of the two flour storage bins 13.
When the utility model works, the external bulk flour is pressed into the storage bin through the pressing and transporting system of the tank car, and the storage bin is provided with the high-voltage pulse dust collector; discharging the flour through a vibration discharger and a closed feeding auger under the storage bin, and feeding the flour into a sealed hopper of a positive pressure air seal machine; meanwhile, a Roots blower with the pressure of 0.8-1.2bar is selected to convey flour in positive pressure, airflow carries the flour to be screened through a positive pressure online airflow screen and a pipeline magnetic separator to remove metal foreign matters, a mixture of the flour and air enters a weighing bin connected with the flour through an inlet of a rotary discharge valve, the flour is settled in the weighing bin, the air and a little of the flour enter a subsequent pipeline through an outlet of the rotary discharge valve and return to a raw flour storage bin, the air is filtered by a dust remover and then discharged, and a little of the flour is settled in the raw flour storage bin. The weighing bin is in hard connection with the rotary discharge valve, and an inlet and an outlet of the rotary discharge valve are connected with the pressure conveying pipeline through soft connection; after the weighing bin reaches the set weight, the rotary discharge valve is automatically switched to enter the next weighing bin, and the airtight butterfly valve below the weighing bin is opened to discharge the flour into the specified equipment or container for production and use.
Compared with the currently used system, the system of the utility model can reduce the height of the storage bin (with the same volume and diameter) by about 1.5 meters; the sieve reason system height that uses at present is about 4.5 meters, and the utility model provides an online air current sieve of malleation that uses only is about 1.5 meters, can directly put under storing the storehouse, practices thrift 3 meters space height, has also practiced thrift about 10 square meters of building area simultaneously.
Use 200 kilograms/dough mixer of wholesale as example, highly according to 2.4 meters calculation, current system height is in 6 meters (storing the storehouse and need set up dust remover or wind net), the total height of system is steerable within about 4.5 meters, and the workshop height can be practiced thrift about 1.5 meters, and the building that specially adapted later stage transformation or have accomplished uses, and the workshop overall arrangement is very nimble.
The utility model discloses an online storehouse of weighing has improved system efficiency greatly, has reduced the ejection of compact time of weighing in batches among the current system. Use 200 kg flour as an example, weigh the back and weigh out the material time from batch and be about 90 seconds, and every batch accomplishes entire system (store storehouse ejection of compact/batch and weigh/air conveying/flour-mixing machine mix) time and be 540 seconds under the general condition, the utility model provides raise the efficiency and be about 16%, (the dough mixing machine is weighed in batches),
Taking the above-mentioned flow that uses at present as an example, a set of loose powder is received and is supplied about 200 ten thousand yuan of powder system construction investment, satisfying under the prerequisite of the same storage capacity and function, the utility model discloses about saving 8 ten thousand yuan at the civil engineering part of construction investment, equipment investment is about 25 ten thousand yuan, and the cost is practiced thrift about 16.5%.
Example 2
The other structures are the same as those of embodiment 1; the unloading weighing mechanism B comprises a two-way valve 2, a weighing bin 11 and an air-tight butterfly valve 12; the lower end of the weighing bin 11 is provided with an airtight butterfly valve 12; the pipeline magnetic separator 9 is connected with the two-way valve 2 through a pipeline, and the two-way valve 2 is communicated with the weighing bins 11 through flexible connection; the two-way valve 2 also returns to the two flour storage bins 13 through another pipeline.
Claims (6)
1. The utility model provides a supply powder system of online screening of malleation and weighing which characterized by: comprises a bulk flour tank truck (1), a two-way valve (2), a pulse dust collector (3), a delivery screening mechanism A, a discharge weighing mechanism B, a Roots blower (7) and a flour storage bin (13);
the bulk flour tank car (1) is connected with the flour storage bin (13) through a pipeline, and a double-way valve (2) is arranged on the pipeline; the flour storage bin (13) is connected with the discharging screening mechanism A, and the discharging screening mechanism A is connected with the discharging weighing mechanism B; the Roots blower (7) is connected with the delivery screening mechanism A; the upper end of the flour storage bin (13) is also provided with a pulse dust collector (3).
2. The positive pressure on-line screening and weighing powder supply system of claim 1, wherein: the discharging screening mechanism A comprises a vibrating discharger (4), a closed-air type feeding auger (5), a positive-pressure air seal machine (6), a positive-pressure online airflow screen (8) and a pipeline magnetic separator (9); the lower end of the flour storage bin (13) is connected with a vibration discharger (4), the vibration discharger (4) is connected with a wind-closed feeding auger (5), and the wind-closed feeding auger (5) is connected with a positive pressure air seal machine (6); the positive pressure air seal machinery (6) is connected with the positive pressure on-line airflow sieve (8), the positive pressure on-line airflow sieve (8) is connected with the pipeline magnetic separator (9), and the pipeline magnetic separator (9) is connected with the unloading weighing mechanism B through a pipeline.
3. The positive pressure on-line screening and weighing powder supply system of claim 2, wherein: the double-way valve (2) is connected with two flour storage bins (13) through pipelines, and the lower end of each flour storage bin (13) is provided with a vibration discharger (4); the upper end of the air-closed feeding auger (5) is connected with the two vibrating dumpers (4), and the lower end is connected with the positive pressure air seal machine (6).
4. The positive pressure on-line screening and weighing powder supply system of claim 3, wherein: the unloading weighing mechanism B comprises a weighing bin (11), an airtight butterfly valve (12) and a rotary unloading valve (10); the upper end of the weighing bin (11) is provided with a rotary discharge valve (10), and the lower end is provided with an airtight butterfly valve (12); the pipeline magnetic separator (9) is communicated with rotary discharge valves (10) at the upper ends of a plurality of weighing bins (11) in sequence through pipelines.
5. The positive pressure on-line screening and weighing powder supply system of claim 4, wherein: and the gas path pipeline at the outlet of the rotary discharge valve (10) is divided by a two-way valve (2) and flows back to the gas paths of the two flour storage bins (13).
6. The positive pressure on-line screening and weighing powder supply system of claim 3, wherein: the unloading and weighing mechanism B comprises a two-way valve (2), a weighing bin (11) and an air-tight butterfly valve (12); the lower end of the weighing bin (11) is provided with an airtight butterfly valve (12); the pipeline magnetic separator (9) is connected with the two-way valve (2) through a pipeline, and the two-way valve (2) is communicated with the weighing bins (11) through flexible connection; the two-way valve (2) also returns to the two flour storage bins (13) through another pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020505316.7U CN212531455U (en) | 2020-04-08 | 2020-04-08 | Positive pressure powder supply system for on-line screening and weighing |
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| CN202020505316.7U CN212531455U (en) | 2020-04-08 | 2020-04-08 | Positive pressure powder supply system for on-line screening and weighing |
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| CN212531455U true CN212531455U (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470332A (en) * | 2020-04-08 | 2020-07-31 | 无锡东谷工程科技有限公司 | Positive pressure powder supply system for on-line screening and weighing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470332A (en) * | 2020-04-08 | 2020-07-31 | 无锡东谷工程科技有限公司 | Positive pressure powder supply system for on-line screening and weighing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right |
Commission number: 5W124693 Conclusion of examination: The patent shall remain valid on the basis of claims 1-3 submitted by the patentee on December 20, 2021 Decision date of declaring invalidation: 20220303 Decision number of declaring invalidation: 54453 Denomination of utility model: A Positive Pressure On line Sifting and Weighing System for Pulverized Coal Granted publication date: 20210212 Patentee: WUXI DOON-GRAIN ENGINEERING TECHNOLOGY CO.,LTD. |
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| IP01 | Partial invalidation of patent right |