CN215555956U

CN215555956U - Powder silo

Info

Publication number: CN215555956U
Application number: CN202122338979.1U
Authority: CN
Inventors: 吴巧莲; 陈旭东; 金科益; 吴恒忠; 张克俭; 冯浩炯
Original assignee: Zhejiang Building Materials Group Co ltd Concrete Branch
Current assignee: Zhejiang Building Materials Group Co ltd Concrete Branch
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-18
Anticipated expiration: 2031-09-26

Abstract

The utility model provides a powder silo which comprises a silo body, wherein a feed port is formed in the upper end of the silo body, a discharge port is formed in the lower end of the silo body, a backflow unit is further arranged at the upper end of the silo body and used for conveying dust escaping from the feed port into the silo body, a vacuum unit is further arranged at the lower portion of the silo body and used for reducing the pressure inside the silo body, and a pressure stabilizing unit used for stabilizing the pressure inside the silo body is further arranged at the upper portion of the silo body. The utility model has the advantage of preventing the dust from escaping.

Description

Powder silo

Technical Field

The utility model relates to the technical field of storage, in particular to a powder silo.

Background

The powder is usually stored in a powder silo in a warehouse, and then the problem that the dust in the storage environment is large and the environment is poor due to the escape of the powder exists in the process of storing and taking the powder from the powder silo.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a powder silo, which solves the problem that the storage environment is large in dust and poor in environment due to the escape of powder in the storage and taking processes of the powder silo in the prior art.

The technical purpose of the utility model is realized by the following technical scheme:

the powder silo comprises a silo body, wherein a feed inlet is formed in the upper end of the silo body, a discharge outlet is formed in the lower end of the silo body, a backflow unit is further arranged at the upper end of the silo body and used for conveying dust overflowing from the feed inlet to the interior of the silo body, a vacuum unit is further arranged on the lower portion of the silo body and used for reducing the pressure of the interior of the silo body, and a pressure stabilizing unit used for stabilizing the air pressure in the silo body is further arranged on the upper portion of the silo body.

Through adopting above-mentioned technical scheme, the pressure of the internal portion in storehouse is reduced with the vacuum unit, and the dust is more smooth when making the feeding avoids large-scale dust of raising downwards, and the escaped dust that is difficult to avoid is carried into the internal portion in storehouse again through the backward flow unit, and the steady voltage unit is ventilated and is filtered when the powder advances the storehouse time atmospheric pressure and is upwards aroused the dust and fly upward, has avoided the dust that flies upward to the feed inlet diffusion.

The utility model is further configured to: the feed inlet is connected with feed pipe, feed pipe is including the first pipeline and the second pipeline of intercommunication each other, the slope of second pipeline is upwards connected on the lateral wall of the storehouse body, there is the contained angle between first pipeline and the second pipeline, the contained angle is greater than 90 and is less than 180.

Through adopting above-mentioned technical scheme, existence of contained angle makes more stable during the feeding, and the dust is difficult for escaping.

The utility model is further configured to: the discharge gate is connected with the ejection of compact pipeline, the junction of discharge gate and ejection of compact pipeline is equipped with ejection of compact ooff valve door.

Through adopting above-mentioned technical scheme, the bottom is sealed when ejection of compact ooff valve closes, carries out ejection of compact work when ejection of compact ooff valve opens.

The utility model is further configured to: the vacuum unit comprises a vacuum vent and a vacuum switch valve, the vacuum vent is arranged on the side face of the lower part of the bin body, the vacuum vent is fixedly connected with the vacuum switch valve, and the vacuum switch valve is connected with a vacuum pump.

Through adopting above-mentioned technical scheme, the vacuum pump extracts the air to the internal portion in storehouse, reduces the lower part pressure intensity in the internal portion in storehouse, and the powder falls more smoothly when making the feeding.

The utility model is further configured to: the top of the bin body is provided with a bin top which is conical.

By adopting the technical scheme, the conical bin top bears higher pressure compared with a common flat top, and is not easy to diffuse to two sides when meeting dust rising compared with the common flat top.

The utility model is further configured to: the backflow unit comprises a dust collection pipeline and a dust falling pipeline, the dust falling pipeline is vertically arranged at the upper end of the bin body and is communicated with the interior of the bin body, the dust collection pipeline is connected with the dust falling pipeline, a dust collection port is arranged at one end, away from the dust falling pipeline, of the dust collection pipeline, and the dust collection port is located above the feed port; an exhaust fan is further arranged at the joint of the dust falling pipeline and the dust collection pipeline, an exhaust opening of the exhaust fan is communicated with the inside of the dust collection pipeline, the exhaust opening of the exhaust fan is positioned right above the dust falling pipeline, and a filter screen is arranged at the exhaust opening of the exhaust fan; the inner wall of the dust falling pipeline is hinged with a baffle, a supporting spring is fixed on the lower portion of the baffle, and one end, far away from the baffle, of the supporting spring is fixedly connected to the inner wall of the dust falling pipeline.

Through adopting above-mentioned technical scheme, the escaped dust is inhaled from the dust absorption mouth, because the suction opening is inhaled to the operation of air exhauster, the suction opening is equipped with the filter screen, so the dust can not be discharged, after feeding work, air exhauster stall, the powder that adsorbs at the suction opening falls, drops on the baffle, when dropping enough dust supporting spring and not holding on the baffle, the baffle is downward, the dust falls from the baffle and gets into storehouse internal portion again, then supporting spring props up the baffle again.

The utility model is further configured to: the pressure stabilizing unit comprises a pressure stabilizing vent and a pressure stabilizing switch valve, the pressure stabilizing vent is arranged on one side, far away from the feed inlet, of the upper portion of the bin body, the pressure stabilizing vent is fixedly connected with the pressure stabilizing switch valve, the pressure stabilizing switch valve is connected with a ventilation box, a ventilation pipeline is arranged in the ventilation box, the middle of the ventilation pipeline is cut off and divided into a first ventilation section and a second ventilation section, and a filter screen is arranged in a pipe of the second ventilation section.

Through adopting above-mentioned technical scheme, the feeding during operation, atmospheric pressure rises and to have small-scale dust to raise at storehouse internal portion, raises in order to reduce the dust that causes the feed inlet and causes extensive dust to escape, has set up the blow vent at the offside, and first section dust of ventilating can directly get into, then is blocked by the filter screen at second section department of ventilating.

The utility model is further configured to: and a dust falling water pool is also arranged at the lower part in the ventilation box.

Through adopting above-mentioned technical scheme, the dust that is being blocked by the filter screen of second vent segment department falls into the dust pond.

The utility model is further configured to: still be equipped with in the storehouse and block the material filter screen, block the material filter screen and locate one side that the steady voltage blow vent is close to storehouse internal portion.

Through adopting above-mentioned technical scheme, block the material filter screen and intercept great powder.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a point a in fig. 1.

In the above drawings: 1. a bin body; 4. a feed conduit; 5. a first conduit; 6. a second conduit; 7. an included angle; 8. a discharge pipeline; 9. a discharge switch valve; 11. a vacuum switch valve; 12. a vacuum pump; 13. the top of the bin; 14. a dust collection duct; 15. a dust falling pipe; 16. a dust suction port; 17. an exhaust fan; 18. air draft filter screen; 19. a baffle plate; 20. a support spring; 22. a pressure stabilizing switch valve; 23. a ventilation box; 24. an air duct; 25. a first venting section; 26. a second venting section; 27. a filter screen; 28. a dust falling water pool; 29. and (5) a material blocking filter screen.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

Example (b):

a powder silo is shown in figures 1-2 and comprises a silo body 1, wherein a feed inlet is formed in the upper end of the silo body 1, a discharge outlet is formed in the lower end of the silo body 1, a backflow unit is further arranged at the upper end of the silo body 1 and used for conveying dust overflowing from the feed inlet into the silo body 1, a vacuum unit is further arranged at the lower portion of the silo body 1 and used for reducing the pressure inside the silo body 1, and a pressure stabilizing unit used for stabilizing the air pressure inside the silo body 1 is further arranged at the upper portion of the silo body 1. The feed inlet is connected with charge-in pipeline 4, and charge-in pipeline 4 is including the first pipeline 5 and the second pipeline 6 that communicate each other, and second pipeline 6 slope upwards is connected on the lateral wall of the storehouse body 1, has contained angle 7 between first pipeline 5 and the second pipeline 6, and the angle of contained angle 7 is 120. The discharge port is connected with a discharge pipeline 8, and a discharge switch valve 9 is arranged on a connecting port of the discharge port and the discharge pipeline 8. The vacuum unit comprises a vacuum vent and a vacuum switch valve 11, the vacuum vent is arranged on the side surface of the lower part of the bin body 1, the vacuum vent is fixedly connected with the vacuum switch valve 11, and the vacuum switch valve 11 is connected with a vacuum pump 12. The top 13 of the bin 1 is conical. The backflow unit comprises a dust suction pipeline 14 and a dust falling pipeline 15, the dust falling pipeline 15 is vertically arranged at the upper end of the bin body 1 and communicated with the interior of the bin body 1, the dust suction pipeline 14 is connected with the dust falling pipeline 15, a dust suction opening 16 is formed in one end, far away from the dust falling pipeline 15, of the dust suction pipeline 14, and the dust suction opening 16 is located above the feeding opening; an exhaust fan 17 is further arranged at the joint of the dust falling pipeline 15 and the dust collection pipeline 14, an exhaust opening of the exhaust fan 17 is communicated with the inside of the dust collection pipeline 14, an exhaust opening of the exhaust fan 17 is positioned right above the dust falling pipeline 15, and an exhaust filter screen 18 is arranged at the exhaust opening of the exhaust fan 17; the inner wall of the dust falling pipeline 15 is also hinged with a baffle plate 19, a supporting spring 20 is fixed at the lower part of the baffle plate 19, and one end of the supporting spring 20, which is far away from the baffle plate 19, is fixedly connected to the inner wall of the dust falling pipeline 15. The storehouse body 1 still includes the voltage stabilizing unit, and the voltage stabilizing unit includes voltage stabilizing switch valve 22, and voltage stabilizing switch valve 22 fixed connection keeps away from one side of feed inlet in 1 upper portion in the storehouse body, and voltage stabilizing switch valve 22 is connected with ventilation box 23, is equipped with air duct 24 in the ventilation box 23, and air duct 24's middle part is cut and is divided into first ventilation section 25 and second ventilation section 26, and the intraductal filter screen 27 that is equipped with of second ventilation section 26. A dust falling water pool 28 is also arranged at the lower part in the ventilation box 23. The bin body 1 is also internally provided with a material blocking filter screen 29, and the material blocking filter screen 29 is arranged on one side of the pressure stabilizing switch valve 22 close to the inside of the bin body 1.

When the dust-collecting bin is used, the pressure inside the bin body 1 is reduced by the vacuum pump 12, then feeding is started, the exhaust fan 17 is opened during feeding, the exhaust fan 17 can suck out the escaped dust to avoid dust diffusion, and after the feeding is carried out for a period of time, the pressure stabilizing switch valve 22 is opened to start ventilation to avoid dust escape caused by air pressure rise.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A powder silo, includes storehouse body (1), its characterized in that: the upper end of the bin body (1) is provided with a feed inlet, the lower end of the bin body (1) is provided with a discharge outlet, the upper end of the bin body (1) is further provided with a backflow unit, the backflow unit is used for conveying dust escaping from the feed inlet into the bin body (1), the lower portion of the bin body (1) is further provided with a vacuum unit, the vacuum unit is used for reducing the pressure inside the bin body (1), and the upper portion of the bin body (1) is further provided with a pressure stabilizing unit used for stabilizing the air pressure in the bin body (1).

2. A powder silo as defined in claim 1 wherein: the feed inlet is connected with charge-in pipeline (4), charge-in pipeline (4) are including first pipeline (5) and second pipeline (6) that communicate each other, second pipeline (6) slope is upwards connected on the lateral wall of the storehouse body (1), there is contained angle (7) between first pipeline (5) and second pipeline (6), contained angle (7) are greater than 90 and are less than 180.

3. A powder silo as defined in claim 1 wherein: the discharge gate is connected with ejection of compact pipeline (8), the junction of discharge gate and ejection of compact pipeline (8) is equipped with ejection of compact ooff valve (9).

4. A powder silo as defined in claim 1 wherein: the vacuum unit comprises a vacuum switch valve (11), the vacuum switch valve (11) is fixedly connected to the side face of the lower portion of the bin body (1), and the vacuum switch valve (11) is connected with a vacuum pump (12).

5. A powder silo as defined in claim 1 wherein: the top of the bin body (1) is provided with a bin top (13), and the bin top (13) is conical.

6. A powder silo as defined in claim 1 wherein: the backflow unit comprises a dust suction pipeline (14) and a dust falling pipeline (15), the dust falling pipeline (15) is vertically arranged at the upper end of the bin body (1) and communicated with the interior of the bin body (1), the dust suction pipeline (14) is connected with the dust falling pipeline (15), a dust suction opening (16) is formed in one end, far away from the dust falling pipeline (15), of the dust suction pipeline (14), and the dust suction opening (16) is located above the feeding opening; an exhaust fan (17) is further arranged at the joint of the dust falling pipeline (15) and the dust suction pipeline (14), an air suction opening of the exhaust fan (17) is communicated with the inside of the dust suction pipeline (14), the air suction opening of the exhaust fan (17) is positioned right above the dust falling pipeline (15), and an air suction filter screen (18) is arranged at the air suction opening of the exhaust fan (17); the inner wall of the dust falling pipeline (15) is hinged with a baffle (19), a supporting spring (20) is fixed to the lower portion of the baffle (19), and one end, far away from the baffle (19), of the supporting spring (20) is fixedly connected to the inner wall of the dust falling pipeline (15).

7. A powder silo as defined in claim 1 wherein: the pressure stabilizing unit comprises a pressure stabilizing switch valve (22), the pressure stabilizing switch valve (22) is located on one side, far away from the feeding hole, of the upper portion of the bin body (1), the pressure stabilizing switch valve (22) is connected with a ventilation box (23), a ventilation pipeline (24) is arranged in the ventilation box (23), the middle portion of the ventilation pipeline (24) is cut into a first ventilation section (25) and a second ventilation section (26), and a filter screen (27) is arranged in the second ventilation section (26).

8. A powder silo as defined in claim 7 wherein: a dust falling water pool (28) is also arranged at the lower part in the ventilation box (23).

9. A powder silo as defined in claim 1 wherein: still be equipped with in the storehouse body (1) and block material filter screen (29), block material filter screen (29) and locate one side that steady voltage switch valve (22) are close to the storehouse body (1) inside.