CN212575874U

CN212575874U - A dust collector dust recovery device

Info

Publication number: CN212575874U
Application number: CN202021228108.3U
Authority: CN
Inventors: 李继钢; 贺明勋; 王瑞; 李正丁
Original assignee: Gongyi Yinshan Metallurgical Materials Co ltd
Current assignee: Gongyi Yinshan Metallurgical Materials Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-23
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a dust collector dust recovery device, which comprises a frame, wherein a hollow device shell with an open lower end is fixedly arranged on the frame, the open upper part of the lower end of the device shell is connected with a dust hopper in a matching and blocking way, and a valve is arranged on a discharge port at the lower end of the dust hopper in a matching way; the left end surface of the device shell is provided with an air inlet communicated with the inside of the device shell, and is connected with an air inlet pipe in a matching and sealing manner; the utility model discloses the structure is unique, and convenient to use when the filter screen takes place to block up in the device, can directly wash the filter screen in the device, does not need the professional to tear open the machine and change, has not only practiced thrift the cost of labor, but also has practiced thrift the required time of change filter screen, has improved work efficiency.

Description

Dust collector dust recovery device

Technical Field

The utility model belongs to the technical field of anode carbon block workshop production facility, concretely relates to dust remover dust recovery unit.

Background

Anode carbon block refers to a carbon block produced by using petroleum coke and asphalt coke as aggregates and coal tar pitch as a binder, and is used as an anode material for a prebaked aluminum electrolysis cell. This carbon block has been calcined and has a stable geometry, so it is also called a prebaked anode carbon block, and is also conventionally called a carbon anode for aluminum electrolysis.

In the production process of the anode carbon block, due to the particularity of the production process, dust pollution is very easy to occur in a production workshop, for example, filling materials covering the carbon block in the production process can be changed into ash after the carbon block is fired, the ash content is light, the filling materials are very easy to raise to cause dust pollution in the workshop, and workers can cause diseases such as upper respiratory tract inflammation, chronic bronchitis, bronchial asthma and the like after working in a dust pollution environment for a long time.

The dust fall mode adopted in the existing production workshop is that a dust hood is arranged at each place which can generate dust pollution when emitting dust, the dust-containing gas is conveyed into a dust remover through a pipeline gas path, gas-solid separation is carried out through a recovery device of the dust remover, the dust with large particles and large specific gravity falls into a dust hopper due to the action of gravity, and the dust is blocked when the gas containing fine dust passes through a filter bag of the recovery device, so that the gas is purified, but after the dust recovery device in the traditional dust remover is used for a period of time, the filter bag for filtering the dust can block a filter hole by the dust, so that the dust removal efficiency of the dust remover is influenced, so the filter bag in the dust remover needs to be replaced regularly, but the filter bag in the traditional dust recovery device needs to be shut down and replaced, the replacement time needed by replacement is longer, and the maintenance cost is higher due to the disassembly and replacement of professionals when the replacement is carried out, and maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a defect and problem to current dust remover recovery unit existence, the device structure is unique, and convenient to use when the filter screen takes place to block up in the device, can directly wash the filter screen in the device, does not need the professional to tear open the machine and change, has not only practiced thrift the cost of labor, but also has practiced thrift the required time of change filter screen, has improved work efficiency.

The utility model provides a scheme that its technical problem adopted is: a dust collector dust recovery device comprises a frame, wherein a hollow device shell with an open lower end is fixedly arranged on the frame, a dust hopper is connected to the open lower end of the device shell in a matched and sealed manner, and a valve is installed on a discharge port at the lower end of the dust hopper in a matched manner; the left end surface of the device shell is provided with an air inlet communicated with the inside of the device shell, and is connected with an air inlet pipe in a matching and sealing manner; an air outlet communicated with the inside of the device shell is formed in the right end face of the device shell, and a filter screen is fixed in the air outlet in a matching manner; the right side of device shell is equipped with the wiper mechanism that bleeds, and the wiper mechanism that bleeds includes that both ends are the connecting shell of mouth about the cavity, and the inside of connecting the shell is the bleed passage, the left end of connecting the shell is sealed to be fixed on the device shell outside the gas vent, and the gas vent of device shell is located the air duct of connecting the shell, the other end of connecting the shell passes through exhaust tube and dust remover's air exhaust fan accordant connection, the up end left end of connecting the shell matches and is fixed with the washing case, and the bottom surface of washing case is opened has the air jet with the inside intercommunication of exhaust duct, prevents stifled internal fixation and is equipped with high pressure nozzle, and high pressure nozzle's nozzle end sets up to the interior filter screen direction slope of exhaust vent.

Furthermore, the tail end of the high-pressure nozzle is provided with a high-pressure nozzle base which is matched and fixed on the wall of the cleaning box, and the high-pressure nozzle base is connected with a high-pressure air pump through an air pipe.

Furthermore, the right end of the connecting shell is fixedly connected with the left end of the exhaust tube through a flange plate in a sealing manner.

Furthermore, an energy dissipation plate is fixed on the inner wall above the air inlet at the left end of the device shell, the right end of the energy dissipation plate inclines downwards and extends into the dust collecting hopper, and the front end face and the rear end face of the energy dissipation plate are respectively attached to the front inner wall and the rear inner wall of the device shell.

Furthermore, a timing switch for controlling the high-pressure air pump to be opened and closed is arranged on the high-pressure air pump.

The utility model has the advantages that: the dust collector dust recovery device provided by the utility model has unique structure and convenient use, and comprises a frame, wherein a hollow device shell with an open lower end is fixedly arranged on the frame, the lower end opening of the device shell is connected with a dust hopper in a matching and blocking way, and a valve is arranged on a discharge port at the lower end of the dust hopper in a matching way; the left end of the device shell is provided with an air inlet and is matched and connected with a dust hood arranged in a corresponding area through an air inlet pipe, the right end of the device shell is provided with an air outlet and is matched and installed with a filter screen, the right side of the device shell is provided with an air exhaust cleaning mechanism, the air exhaust cleaning mechanism comprises a hollow connecting shell with the left end and the right end as openings, the left end of the connecting shell is hermetically fixed on the device shell outside the air outlet, the other end of the connecting shell is matched and connected with an air exhaust fan of a dust remover through an air exhaust pipe, the left end of the upper end surface of the connecting shell is matched and fixed with a cleaning box, the bottom surface of the cleaning box is provided with an air nozzle communicated with the inside of an air exhaust pipeline, a high-pressure nozzle is inwards fixedly provided with a blocking-proof nozzle, the nozzle end of the high-pressure nozzle is obliquely arranged towards the direction of the filter screen in the air outlet, when in use, when air containing dust enters the device shell, the dust with larger particles and larger specific gravity in the air can settle downwards under the action of gravity and pass through the opening at the bottom end of the device shell to fall into the dust collecting hopper, and when the air containing smaller dust is pumped out from the exhaust port of the device shell by the air pumping fan, the fine dust in the air can be blocked by the filter screen, so that the gas exhausted from the device shell is purified; when the filter holes of the filter screen are blocked by dust, the high-pressure air pump is opened, high-pressure air sprayed by the high-pressure spray head can penetrate through the air spraying port to be sprayed on the outer end face of the filter screen, dust particles blocked on the inner end face of the filter screen can be flushed from the filter screen into the dust collecting hopper by the high-pressure air sprayed by the high-pressure spray head, so that the filter screen is flushed, compared with the conventional method for directly replacing the filter bag, the filter screen blocked with the dust can be directly flushed by air through the high-pressure spray head, the filter screen does not need to be disassembled and replaced, the use and maintenance are convenient, the labor cost is saved, the time required for replacing the filter screen is saved; and still be fixed with the energy dissipation board on the inner wall of device shell left end air inlet top, the energy dissipation board can cushion the deceleration to the air that gets into in the device shell, has improved the utility model discloses the filter effect of device.

The utility model provides a dust remover dust recovery device, the device structure is unique, and convenient to use when the filter screen takes place to block up in the device, can directly wash the filter screen in the device, does not need the professional to tear open the machine and change, has not only practiced thrift the cost of labor, but also has practiced thrift the required time of change filter screen, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the cleaning mechanism of the present invention.

Fig. 3 is an enlarged schematic view of the structure of fig. 2A.

Figure 4 is the schematic view of the installation position of the energy dissipation plate of the utility model.

Reference numbers in the figures: the device comprises a frame 1, a device shell 2, a dust hopper 3, a valve 4, a cleaning box 5, an air inlet 6, an air inlet pipe 7, a filter screen 8, an air exhaust cleaning mechanism 9, a connecting shell 10, an air exhaust channel 11, an air exhaust pipe 12, an air nozzle 13, a high-pressure nozzle 14, a high-pressure nozzle seat 15, an air pipe 16, a connecting flange 17 and an energy dissipation plate 18.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

Dust recovery unit in traditional dust remover is after using a period, because the filter bag that filters the dust can be lived the filtration pore by the dust jam, influences the dust collection efficiency of dust remover, so need regularly change the filter bag in the dust remover, but the filter bag among the traditional dust recovery unit need be shut down and change, and it is longer to change the required time to need the professional to tear open the machine when changing and change, and the maintenance cost is higher, and it is inconvenient to maintain.

In view of the above problems, the present embodiment provides a dust collector dust recycling device, as shown in fig. 1-3, which includes a frame 1, a device housing 2 fixed on the frame 1 and having an open hollow lower end, a dust hopper 3 connected to the open lower end of the device housing 2 in a sealing manner, a valve 4 installed on a discharge port of the lower end of the dust hopper 3 in a matching manner, the valve 4 being a common manual valve for controlling opening and closing of the discharge port of the lower end of the dust hopper 3, an air inlet 6 communicated with the inside of the device housing and opened on the left end face of the device housing 2, and an air inlet pipe 7 connected to the left end face of the device housing in a sealing manner, the other end of the air inlet pipe 7 being connected to a dust hood disposed in a corresponding area in a matching manner, an air outlet communicated with the inside of the device housing and installed.

The right side of device shell 2 is equipped with the wiper mechanism 9 of bleeding, both ends are the connecting shell 10 of mouth about the wiper mechanism 9 of bleeding includes the cavity, the inside of connecting shell 10 is bleed passage 11, the left end seal welded fastening of connecting shell 10 is on the device shell 1 outside the gas vent, and the gas vent of device shell 1 is located the air duct 11 of connecting shell 10, the right-hand member of connecting shell 10 passes through exhaust tube 12 and the exhaust fan accordant connection of dust remover together, the connected mode of connecting shell 10 and exhaust tube 12 has the multiple, for example: a connecting flange 17 is welded and fixed on the right end face of the connecting shell 10 and the left end face of the exhaust pipe 12 in a matching and sealing manner, the connecting flange 17 at the right end of the connecting shell 10 is connected with the connecting flange at the left end of the exhaust pipe 12 in a matching and sealing manner through a bolt, and the exhaust pipe 12 is communicated with the inside of the connecting shell 10; a cleaning box 5 is fixed at the left end of the upper end face of the connecting shell 10 in a matched mode through bolts, an air jet 13 communicated with the interior of an exhaust pipeline is formed in the bottom face of the cleaning box 5, a high-pressure spray head 14 is arranged in the cleaning box 5, a high-pressure spray head seat 15 is arranged at the tail end of the high-pressure spray head 14, the high-pressure spray head seat 15 is fixed at the right vertex angle in the cleaning box 5, the spray head end of the high-pressure spray head 15 is obliquely arranged towards the direction of a filter screen 8 in an exhaust port of the device shell 2, and the high-pressure spray head seat 15 is fixed in various modes, such as being directly welded; the high-pressure nozzle seat 15 is connected with a high-pressure air pump through an air pipe 16.

When the device is applied to the dust removal work of a dust remover, firstly, the device is assembled, a valve below a collecting hopper is manually closed, then an air exhaust fan of the dust remover is opened, when the air exhaust fan of the dust remover works, air with dust at a position provided with a dust hood is sucked into a device shell 1 through an air inlet pipe 7 and is exhausted from the device shell 1 after passing through a filter screen 7 in an exhaust port at the right end of the device shell 1, when the air with dust enters the device shell 1, the dust with larger particles and larger specific gravity in the air can downwards settle under the action of gravity and passes through an opening at the bottom end of the device shell 1 to fall into the collecting hopper, when a certain amount of dust is accumulated in the collecting hopper, the air exhaust fan of the dust remover is closed, and the collected dust can be exhausted by opening the valve at the bottom of the collecting hopper; when air containing fine dust in the device shell is pumped out from the exhaust port of the device shell 1 by an air exhaust fan, the fine dust in the air can be blocked by the filter screen, so that gas exhausted from the device shell 1 is purified, one part of the fine dust blocked by the filter screen can slide downwards along the filter screen into the dust collecting hopper, the other part of the fine dust can be blocked in the filter holes of the filter screen 8, when the dust blocked on the filter screen reaches a certain amount, the high-pressure air pump is opened, high-pressure air sprayed from the high-pressure spray nozzle 15 can pass through the air nozzle 13 to be sprayed on the outer end face of the filter screen 8, dust particles blocked on the inner end face of the filter screen 8 can be flushed from the filter screen 8 into the dust collecting hopper 3 by the high-pressure air sprayed from the high-pressure spray nozzle 351, so as to realize the flushing of the filter screen, compared with the prior art of directly replacing filter bags, the filter screen blocked by the high-, the use and maintenance are convenient, the labor cost is saved, the time for replacing the filter screen is saved, and the working efficiency is improved.

Example 2

Example 2 differs from example 1 in that an energy dissipating plate is fixed to the inner wall of the device housing above the air inlet at the left end.

As shown in fig. 4, an energy dissipation plate 18 is fixed on the inner wall above the air inlet 7 at the left end of the device shell 1, the right end of the energy dissipation plate 18 extends into the dust collection hopper 3 in a downward inclined manner, and the front and rear end faces of the energy dissipation plate 18 are respectively attached to the front and rear inner walls of the device shell 1, when in use, after air containing dust enters the device shell through the air inlet at the left end of the device shell, the air containing dust firstly flows downwards along the energy dissipation plate 18 due to the blocking of the energy dissipation plate 18, and is drawn out of the device shell 2 from the air outlet of the device shell 2 through the dust collection hopper, so that when the working power of an air extractor of the dust collector is high, the dust with larger particles and larger specific gravity in the air is prevented from directly colliding and contacting with the filter screen 8 without falling into the dust collection hopper, which affects the service life of the filter screen 8, and the dust with larger particles and larger specific gravity in the air can sink downwards through the bottom end of the dust collection hopper and fall into the dust collection hopper due to, because the tail end of the efficiency plate 18 extends downwards into the dust collecting hopper, and the exhaust port of the device shell 2 is positioned above the dust collecting hopper 3, when air flowing downwards through the energy dissipation plate 18 passes through the dust collecting hopper 3 and is exhausted from the exhaust port of the device shell 2, the air can climb upwards firstly, and some fine dust in the air can freely fall into the dust collecting hopper due to gravity in the ascending process, so that the blocking probability of a filter screen is reduced, and the filtering effect is improved.

Example 3

Embodiment 3 and embodiment 2's difference lie in be equipped with the time switch that is used for controlling high compression pump and opens and close on the high compression pump, and this embodiment device can set up time switch according to the content of dust in the air when using, and after this embodiment device work a period, time switch automatic start high compression pump washes the screen cloth through high pressure shower nozzle, does not need to follow the worker and opens and close high compression pump according to the filter screen condition, has reduced the manpower resources who drops into, and it is more convenient to use.

Claims

1. A dust collector dust recovery device, characterized in that it comprises a rack, and the rack is fixedly provided with a device shell with a hollow lower end that is open, and a dust collecting hopper is matched and plugged on the open lower end of the device shell. A valve is matched and installed on the discharge port at the lower end of the bucket; the left end face of the device shell is provided with an air inlet that communicates with the inside of the device shell, and an air intake pipe is matched and sealed; The exhaust port is connected to the inside of the shell, and the filter screen is matched and fixed in the exhaust port; the right side of the device shell is provided with an air extraction and cleaning mechanism, and the air extraction and cleaning mechanism includes a hollow connection shell with openings at the left and right ends. The left end of the connecting shell is sealed and fixed on the device shell outside the exhaust port, and the exhaust port of the device shell is located in the air channel of the connecting shell, and the other end of the connecting shell is connected to the dust collector through the exhaust pipe. The exhaust fan is matched and connected, the left end of the upper end face of the connecting shell is matched and fixed with a cleaning box, the bottom surface of the cleaning box is provided with a jet port that communicates with the inside of the exhaust pipe, and a high-pressure nozzle is fixed inward to prevent blocking. The nozzle end is inclined to the direction of the filter screen in the exhaust port.

2 . The dust collector dust recovery device according to claim 1 , wherein a high-pressure nozzle seat is provided at the tail end of the high-pressure nozzle, and the high-pressure nozzle seat is matched and fixed on the box wall in the cleaning box. The seat is connected with the high-pressure air pump through the air pipe.

3 . The dust collector dust recovery device according to claim 1 , wherein the right end of the connection shell and the left end of the air extraction pipe are sealed and fixedly connected together through a flange. 4 .

4 . The dust collector dust recovery device according to claim 1 , wherein an energy dissipating plate is fixed on the inner wall above the air inlet at the left end of the device shell, and the right end of the energy dissipating plate is inclined downward and extends into the dust collecting hopper. 5 . Inside, the front and rear end surfaces of the energy dissipation plate are respectively fitted with the front and rear inner walls of the device casing.

5 . The dust collector dust recovery device according to claim 2 , wherein the high-pressure air pump is provided with a timing switch for controlling the opening and closing of the high-pressure air pump. 6 .