CN217795047U

CN217795047U - Platform-free bin top dust remover

Info

Publication number: CN217795047U
Application number: CN202221204226.XU
Authority: CN
Inventors: 齐庆丰; 王建甫; 周志刚
Original assignee: ZEPULIN SOLID MATERIAL TECHNOLOGY (SHANGHAI) CO LTD
Current assignee: ZEPULIN SOLID MATERIAL TECHNOLOGY (SHANGHAI) CO LTD
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-11-15
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a platform-free type bin top dust remover, which relates to the technical field of industrial dust treatment and comprises a bin, wherein a bin platform is arranged above the bin, the middle part above the bin is connected with a feed pipe, and one side above the bin is provided with a dust removing mechanism; the dust removal mechanism comprises a barrel, a sealing cover is arranged at the upper end of the barrel, a pressure difference transmitter is connected to one side of the barrel, a gas collecting pipe is arranged at the position below the pressure difference transmitter on one side of the barrel, and a pulse controller is arranged on the other side of the barrel. The utility model discloses the size of well barrel reduces to the height that satisfies the maintenance requirement to realize directly utilizing the feed bin platform to accomplish the operation at ordinary times and the periodic maintenance operation task of dust removal mechanism, and need not to establish high altitude platform in addition, directly utilizing the feed bin platform to overhaul more convenient safer, not only practiced thrift equipment cost, can also avoid the trouble of bringing of platform installation, also more pleasing to the eye in appearance.

Description

Platform-free bin top dust remover

Technical Field

The utility model relates to an industrial dust handles technical field, especially relates to an exempt from platform formula storehouse top dust remover.

Background

The top dust remover is an important device for reducing industrial dust pollution and improving resource utilization efficiency, is widely applied and rapidly developed in various national economy pillar industries such as cement, mineral powder, mining, metallurgy, building materials, machinery, chemical engineering, grain processing and the like and subdivision fields thereof, and also conforms to the sustainable development concept with energy conservation and environmental protection as a guide. The dust remover on the top of the bin has simple structure and high dust removal efficiency.

But because of the particularity of the installation position of the dust remover on the top of the bin, not only the filter element needs to be periodically opened and replaced, the sealing assembly and the pulse electromagnetic valve need to be overhauled, but also the pulse electromagnetic valve needs to frequently climb onto the dust remover to check the powder emission condition, usually because of the limitation of the position, most of the dust is arranged on the top of the bin, and the platform extending out of the top of the bin is higher, so that a circle of overhauling platform with small space has to be erected at a high place, the overhauling space is limited when an operator works, and the high-altitude operation has great potential safety hazard, especially under the condition of bad weather, the operation task can not be finished at all, and the normal production and operation of the device are influenced, thereby great economic loss is generated for enterprises, even because of the constraint of narrow and small cylinders of the dust remover, the gas turbulence in the cylinders is increased, and the dust removal efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a platform-free bin top dust remover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a platform-free type bin top dust remover comprises a bin, wherein a bin platform is arranged above the bin, the middle part above the bin is connected with a feeding pipe, and one side above the bin is provided with a dust removing mechanism;

the dust removal mechanism comprises a cylinder body, a sealing cover is arranged at the upper end of the cylinder body, a pressure difference transmitter is connected to one side of the cylinder body, a gas collecting pipe is arranged at the position below the pressure difference transmitter, a pulse controller is arranged at the other side of the cylinder body, a keel filter material assembly is arranged inside the cylinder body, and a filter material shrinkage protection cage is arranged below the outer portion of the cylinder body.

Preferably, fossil fragments filter media subassembly includes fossil fragments, the inside of fossil fragments is provided with the filter bag, just venturi tube is installed at the top of fossil fragments.

Preferably, a dust inlet is formed below the filter material shrinkage protection cage, and an exhaust port is fixedly connected to the upper portion of one side of the cylinder.

Preferably, flanges are fixed to the lower end of the sealing cover and the upper end of the cylinder, and the two flanges are fixedly connected through bolts.

Preferably, an electromagnetic pulse valve is arranged above the interior of the cylinder, a connecting pipe is connected between the electromagnetic pulse valve and the gas collecting pipe, and a blowing pipe is fixedly connected to one side of the electromagnetic pulse valve.

Preferably, the filter bag is made of antistatic polyester, and the keel is made of galvanized carbon steel or stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the size of the middle cylinder body of the utility model is reduced to the height meeting the maintenance requirement, thereby realizing the normal operation and periodic maintenance task of the dust removing mechanism by directly utilizing the stock bin platform without additionally arranging an aerial platform, and the maintenance by directly utilizing the stock bin platform is more convenient and safer, thereby not only saving the equipment cost, but also avoiding the trouble brought by platform installation and being more beautiful in appearance;

2. the utility model provides a filter media shrink protects the cage and has reduced the constraint of the comparatively narrow and small barrel of inner space, has greatly reduced the gas turbulence in the barrel, and it is bigger to make the filter bag accept dusty gaseous area on the contrary, more abundant to finally improve dust collection efficiency, the filter media shrink protects the surface of cage and does and prevent electrostatic treatment, the purpose is in order to reduce the risk that static brought for dust removal mechanism and feed bin more effectively.

Drawings

Fig. 1 is a schematic structural view of a platform-free type bin top dust remover provided by the utility model;

fig. 2 is a schematic structural view of a traditional bin top dust remover of the platform-free bin top dust remover of the utility model;

fig. 3 is a schematic cross-sectional structure view of a platform-free type bin top dust remover provided by the present invention;

fig. 4 is a schematic structural view of the filter material shrinkage protection cage in the platform-free bin top dust remover.

In the figure: 1. a storage bin; 2. material preparation; 3. a stock bin platform; 4. a feeding pipe; 5. a cylinder body; 6. sealing the cover; 7. a flange plate; 8. a differential pressure transmitter; 9. a gas collecting pipe; 10. a pulse control instrument; 11. an electromagnetic pulse valve; 12. a blowing pipe; 13. a connecting pipe; 14. a keel filter element; 15. the filter material shrinks and protects the cage; 16. a dust inlet; 17. an exhaust port; 18. a material level alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, fig. 3 and fig. 4, a exempt from platform formula storehouse top dust remover, including feed bin 1, feed bin platform 3 is installed to the top of feed bin 1, and the top mid-portion of feed bin 1 is connected with inlet pipe 4, add feed bin 1 with material 2 from inlet pipe 4, top one side of feed bin 1 is provided with dust removal mechanism, dust removal mechanism includes barrel 5, the upper end of barrel 5 is provided with closing cap 6, the lower extreme of closing cap 6 and the upper end of barrel 5 all are fixed with the ring flange, through bolt fixed connection between two ring flanges, one side of barrel 5 is connected with pressure differential transmitter 8, the collector 9 is installed to the below position department that one side of barrel 5 is located pressure differential transmitter 8.

The keel filter material component 14 is arranged in the barrel 5, the keel filter material component 14 comprises a keel, the keel is made of galvanized carbon steel or stainless steel, resistance welding is adopted in a welding mode, the keel has the advantages of smooth surface and high strength, a filter bag is arranged in the keel, the filter bag is made of antistatic polyester, the antistatic polyester has the advantages of good air permeability, high filtering air quantity and pressure loss reduction, high dust removal efficiency, high strength, long service life and good tensile rate and wear resistance, good conductivity is generated by adding binary fibers, a venturi is arranged at the top of the keel, the venturi is made of cast aluminum, secondary drainage can be generated, and the ash removal effect is improved (the keel filter material component is mature technology in the prior art and is not described any more in the utility model), the outside below of barrel 5 is installed the filter media shrink and is protected cage 15, the filter media shrink protects cage 15 and comprises a plurality of brace rods, because the brace rod that the cage 15 was protected in the filter media shrink is thinner, not only can not influence the dust collection efficiency of dust removal mechanism, and reduced the comparatively narrow and small constraint of barrel 5 of inner space, greatly reduced the gas turbulence in the barrel 5, it is bigger to make the filter bag accept dirty gas's area on the contrary, it is more abundant, and finally improved the dust collection efficiency, the filter media shrink is protected the surface of cage 15 and is prevented electrostatic treatment, the purpose is for reducing the risk that static brought for dust removal mechanism and feed bin 1 more effectively, the below that the cage 15 was protected in the filter media shrink is provided with dust inlet 16, one side top fixedly connected with gas vent 17 of barrel 5.

An electromagnetic pulse valve 11 is arranged above the interior of the barrel 5, the electromagnetic pulse valve 11 is a pulse electromagnetic integrated valve, an included angle of 90 degrees is formed between the valve inlet and the valve outlet of the electromagnetic pulse valve 11, the shell and the cover of the electromagnetic pulse valve 11 are formed by casting aluminum alloy through film pressing, a connecting pipe 13 is connected between the electromagnetic pulse valve 11 and the gas collecting pipe 9, a spraying and blowing pipe 12 is fixedly connected to one side of the electromagnetic pulse valve 11, a pulse controller 10 is installed on the other side of the barrel 5, and the pulse controller 10 can provide continuous signal dust cleaning pulse frequency and interval for the electromagnetic pulse valve 11 to set dust cleaning time.

The utility model discloses in, load on dust removal mechanism at 1 top in feed bin, it is to present circular cone shape according to the heap top of material 2 in feed bin 1, and the material level alarm 18 of installation in feed bin 1 (material level alarm 18 adopts common product on the market, such as model 1101J), calculate the stockless region on upper portion in the feed bin 1 (as fig. 1), utilize the filter material shrink to protect cage 15 (as fig. 3-4) and insert fossil fragments filter material subassembly 14 into the empty storehouse region of feed bin 1 as the protection, the gas that has solid powder secretly enters into filter material shrink through dust inlet 16 and protects cage 15 after, gas resumes upwards through the filter bag again, the dust is gathered on the filter bag surface, gas after the filtration passes through gas vent 17 and discharges, make dust and gas obtain effective separation.

When the dust-containing gas passes through the filter bag, one part of the dust-containing gas falls down under the action of gravity, the other part of the dust-containing gas is attached to the surface of the filter bag to form a viscous layer, the dust is easy to adhere after the viscous layer is formed, the viscous layer is gradually thickened, the filtering efficiency is gradually improved, the flux of the filtered dust-containing gas is reduced, the dust filtering action is mainly performed by the dust accumulated on the viscous layer, along with the thickening of the viscous layer, the resistance of the airflow passing through the filter bag is gradually increased, the dust is required to be brushed down to a certain degree, otherwise, the filtering resistance is continuously increased, the filter bag is crushed, and the dust removal efficiency is reduced.

In order to remove the dust on the surface of the filter bag, a pulse controller 10 can be opened, control electromagnetic pulse valves 11 are automatically opened in sequence according to a preset time interval, the back-blowing gas is sprayed out from the spraying holes of a spraying pipe 12 at a very high speed, an induced gas flow which is 5-7 times larger than the self volume is formed around the high-speed gas flow and enters the inner cavity of the filter bag together, so that the filter bag is rapidly expanded and deformed to cause impact vibration to remove the dust; in this moment, counter-current air flow opposite to the direction of the dust-containing air flow from inside to outside is generated, and part of dust attached to the outer layer of the filter bag can be blown off, so that the filter bag can have good and stable filtering efficiency, and the dust removal mechanism can normally operate, and the proposal is to adopt 0.5-0.7 MPa (G) of gas as the counter-current air flow, wherein the pulse period (the time interval from the beginning of the injection of each pulse valve to the next injection) is about 60 seconds, the pulse width (namely the duration time of one injection) is 0.1-0.2 seconds, and the two times are adjusted on the final control of a pulse controller 10 or a Programmable Logic Controller (PLC) and the like according to the requirements of actual operation conditions.

The size of the cylinder 5 is reduced to the height meeting the maintenance requirement by utilizing the plug-in design of the keel filter material component 14 and the special filter material contraction protection cage 15, so that the normal operation and periodic maintenance operation tasks of the dust removal mechanism are completed by directly utilizing the stock bin platform 3, the limitation problem of the maintenance platform of the traditional stock bin top dust remover (shown in figure 2) is effectively solved, the safety of the maintenance operation is directly improved, the cylinder 5 has smaller volume and lighter weight under the same dust removal capacity, the design period is shortened, and the load of the stock bin 1 is also reduced; the maintenance platform is not required to be arranged, the design difficulty and the installation difficulty are reduced, the transportation cost of the platform is reduced, the maintenance is more convenient, the maintenance is safer, and the maintenance cost is reduced.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A platform-free bin top dust remover comprises a bin (1), and is characterized in that a bin platform (3) is mounted above the bin (1), a feeding pipe (4) is connected to the middle part above the bin (1), and a dust removing mechanism is arranged on one side above the bin (1);

dust removal mechanism includes barrel (5), the upper end of barrel (5) is provided with closing cap (6), just one side of barrel (5) is connected with pressure differential transmitter (8), one side of barrel (5) is located the below position department of pressure differential transmitter (8) installs discharge (9), just pulse controller (10) are installed to the opposite side of barrel (5), the inside of barrel (5) is provided with fossil fragments filter media subassembly (14), just the filter media shrink protects cage (15) is installed to the outside below of barrel (5).

2. The platform-free bin top dust collector of claim 1, wherein the keel filter element (14) comprises a keel, a filter bag is arranged inside the keel, and a venturi tube is arranged at the top of the keel.

3. The platform-free type bin top dust remover according to claim 1, wherein a dust inlet (16) is arranged below the filter material shrinkage protection cage (15), and an exhaust port (17) is fixedly connected above one side of the cylinder (5).

4. The platform-free bin top dust remover according to claim 1, wherein flanges are fixed at the lower end of the sealing cover (6) and the upper end of the barrel (5), and the two flanges are fixedly connected through bolts.

5. The platform-free bin top dust remover according to claim 1, wherein an electromagnetic pulse valve (11) is arranged above the interior of the barrel (5), a connecting pipe (13) is connected between the electromagnetic pulse valve (11) and the gas collecting pipe (9), and a blowing pipe (12) is fixedly connected to one side of the electromagnetic pulse valve (11).

6. The platform-free bin top dust collector of claim 2, wherein the filter bag is made of antistatic polyester, and the keel is made of galvanized carbon steel or stainless steel.