CN113135448A - Negative pressure dust removal system and device for moving discharging on ore tank - Google Patents
Negative pressure dust removal system and device for moving discharging on ore tank Download PDFInfo
- Publication number
- CN113135448A CN113135448A CN202110382173.4A CN202110382173A CN113135448A CN 113135448 A CN113135448 A CN 113135448A CN 202110382173 A CN202110382173 A CN 202110382173A CN 113135448 A CN113135448 A CN 113135448A
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- dust
- discharging
- negative pressure
- ore tank
- trolley
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- 239000000428 dust Substances 0.000 title claims abstract description 164
- 238000007599 discharging Methods 0.000 title claims abstract description 65
- 230000003584 silencer Effects 0.000 claims abstract description 18
- 239000012945 sealing adhesive Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010410 dusting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
Abstract
The invention discloses a negative pressure dust removal system and a negative pressure dust removal device for movable discharging on an ore groove, which solve the problems that the existing dust removal device can not remove dust overflowing from the notch of a discharging chute, the dust removal effect is not ideal in the using process, obvious raised dust can be seen in a factory building, the dust removal effect is particularly obvious when a discharging trolley moves a bin, and the dust removal effect is not good, and comprises the discharging trolley, a lifting switching valve, a bucket elevator and a dust storage bin; when the discharging trolley moves to a stopping point of a certain ore tank for discharging, the negative pressure dust-bearing cover of the ore tank is lifted to open the switching valve; when the discharging trolley stops discharging or moves to a next ore tank fixed stopping discharging point for discharging, the switching valve is lifted on the negative pressure dust collection cover of the ore tank and is automatically closed when the time is delayed until no overflowing raised dust exists in the ore tank; the dust gas in the ore tank is dedusted by the deduster to generate clean gas and dust, the clean gas is discharged through a chimney after passing through the fan and the silencer, and the dust enters the dust storage bin through the scraper and the bucket elevator to be stored.
Description
Technical Field
The invention relates to the technical field of ore tank dust removal, in particular to a negative pressure dust removal system and device for moving and discharging materials on an ore tank.
Background
At present, two main dust removal methods of 'mobile ventilation slot dust removal' and 'mobile dust removal trolley dust removal' on the domestic blast furnace ore slot have the following main defects:
the 'dust removal by moving a ventilation slot' and the 'dust removal by moving a dust removal trolley' have a common defect: the dust removal of the dust overflowing from the notch of the discharging chute cannot be realized through the 'hanging dust hoods' at the two sides of the discharging chute, and particularly, when two discharging trolleys are not simultaneously stopped on one storage bin due to the fact that two discharging trolleys are arranged in the same storage bin, a large amount of dust overflows from the air blowby of the open storage bin notch due to the fact that the local hanging sealing is not stopped, and the dust removal effect is poor; when the discharge trolley discharges materials from one storage bin and moves to the next storage bin for discharging, dust gas with a certain allowance in the previous storage bin is not collected by the suspended dust hood and continuously moves away through the local suspended seal, and then the opened notch overflows outwards.
In addition, the 'dust removal of the movable ventilation slot' has the defects that the synchronism of a travelling mechanism on the movable ventilation slot and the unloading trolley is poor, the stability of a sealing device of the ventilation slot is poor, and the fault rate of the movable ventilation slot is high; the vehicle-mounted single dust remover for removing dust by the mobile dust removing trolley is limited by space, the suction air quantity of the dust hood is limited, each mobile discharging trolley is matched with one set of mobile ventilating slot for removing dust, one ore slot is provided with a plurality of sets of mobile ventilating slots for removing dust, the number of equipment is large, and the fault rate is high.
Disclosure of Invention
The invention aims to provide a negative pressure dust removal system and a negative pressure dust removal device for moving and discharging materials on an ore tank, aiming at solving the problems that the existing dust removal device can not remove dust overflowing from the notch of a discharging chute, the dust removal effect is not ideal in the use process, obvious raised dust can be seen in a factory building, the dust removal effect is particularly obvious when a discharging trolley moves a bin to work, and the dust removal effect is not good.
The purpose of the invention can be realized by the following technical scheme:
a negative pressure dedusting system for mobile discharge on a mine trough, comprising:
the positioning and stopping module is used for controlling the discharging trolley to automatically stop on the ore tank needing discharging;
the dust and gas collecting and conveying module is used for collecting and conveying the dust and gas in the ore tank to the dust removal module;
the dust removal module is used for carrying out dust removal treatment on the dust gas to obtain clean gas and dust;
the discharge module is used for discharging the purified gas and comprises a fan, a silencer and a chimney, wherein the fan conveys the purified gas into the chimney through the silencer and discharges the purified gas through the chimney;
the storage module is used for storing dust, and comprises a scraper, a bucket elevator and a dust storage bin, wherein the scraper conveys the dust to the bucket elevator, and the dust is conveyed to the dust storage bin through the bucket elevator.
Preferably, the positioning and parking module comprises a positioning receiver with a code, which is arranged in the ore tank, and a positioning generator matched with the positioning receiver is arranged on the discharging trolley; the lifting switching valve is opened or closed after receiving the opening or closing instruction
Preferably, the positioning and parking module comprises a proximity switch installed in the ore tank and used for taking the signal when the discharge trolley is used for discharging materials in the production at the ore tank parking point to make a start or close instruction of the lifting switching valve, and the lifting switching valve is opened or closed after receiving the start or close instruction;
preferably, the dust removal module is a pulse bag type dust remover; the bottom of the ash storage bin is provided with an automobile suction and discharge joint which is connected with an automobile tank car through a connecting pipe. The dust removal module is a pulse bag type dust remover; a notch sealing adhesive tape is arranged at the notch of the upper end surface of the ore tank; the bottom of the ash storage bin is provided with an automobile suction and discharge joint which is connected with an automobile tank car through a connecting pipe.
A negative pressure dust removal system and a device for moving and discharging on an ore tank comprise a discharging trolley, the ore tank, a negative pressure dust hood, a lifting switching valve, a branch air pipe, a dust remover, a fan, a silencer, a chimney, a scraper conveyor, a bucket elevator and an ash storage bin;
a trolley track is installed on the ore tank, a discharging trolley is installed on the trolley pipeline, a negative pressure dust hood is installed on one side, located at the notch, of the upper end face of the ore tank, a lifting switching valve is installed on the upper end face of the negative pressure dust hood, the lifting switching valve is in through connection with a first connecting air pipe through a branch air pipe, and one end of the first connecting air pipe is in through connection with one end of a second connecting air pipe; the other end of the second connecting air pipe is communicated with one side of the dust remover;
the bottom of the dust remover is provided with a scraper, one side of the scraper is communicated with the bottom of the bucket elevator through a pipeline, and the top of the bucket elevator is communicated with the top of the ash storage bin through a pipeline;
the other side of the dust remover is in through connection with one end of a third connecting air pipe, the other end of the third connecting air pipe is in through connection with one side of a fan, the other side of the fan is in through connection with one side of a silencer, and the other side of the silencer is in through connection with the bottom of a chimney.
Preferably, a notch sealing adhesive tape is arranged at the notch of the upper end surface of the ore tank
Preferably, the bottom of the ash storage bin is provided with an automobile suction and discharge joint, and the automobile suction and discharge joint is connected with an automobile tank car through a connecting pipe.
Preferably, the dust remover is a pulse bag type dust remover.
Compared with the prior art, the invention has the beneficial effects that: the ore tank is provided with a movable unloading negative pressure dust removal device, the unloading trolley stops at a fixed point for unloading, the ore tank is provided with a fixed negative pressure dust hood and a lifting switching valve, when the unloading trolley moves to a fixed unloading point of the ore tank for stopping unloading, the lifting switching valve on the negative pressure dust hood corresponding to the ore tank is opened, and when the unloading trolley stops unloading or moves to the next fixed stopping unloading point of the ore tank for unloading, the lifting switching valve on the negative pressure dust hood of the ore tank is automatically closed when the lifting switching valve delays to the condition that no overflowing raised dust exists in the ore tank; the positioning receiver with codes and the unloading trolley are installed with the positioning generator for accurate positioning, the negative pressure dust suction cover of each ore tank is provided with a lifting switching valve linked with production, dust gas in the ore tank is dedusted by a deduster to generate clean gas and dust, the clean gas is discharged through a chimney after passing through a fan and a silencer, and the dust enters the dust storage bin through the scraper conveyor and the bucket elevator to be stored.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic view of the structure of a mine shaft of the present invention;
FIG. 3 is a schematic view of the overall structure of the mine groove of the present invention;
FIG. 4 is a schematic view of the dust collector of the present invention installed;
FIG. 5 is a schematic view of the fan installation of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a negative pressure dust removing system for mobile discharging on a mine trough includes a positioning and stopping module, a dust and gas collecting and conveying module, a dust removing module, a discharging module and a storage module:
the positioning and stopping module is used for controlling the discharging trolley 15 to automatically stop on the ore tank 14 needing discharging; the dust and gas collecting and conveying module is used for collecting and conveying dust and gas in the ore tank 14 to the dust removal module; the dust removal module is used for carrying out dust removal treatment on the dust gas to obtain clean gas and dust; the discharge module is used for discharging the clean gas and comprises a fan 9, a silencer 10 and a chimney 11, wherein the fan 9 conveys the clean gas into the chimney 11 through the silencer 10 and discharges the clean gas through the chimney 11; the storage module is used for storing dust and comprises a scraper conveyor 5, a bucket elevator 4 and a dust storage bin 3, wherein the scraper conveyor 5 conveys the dust to the bucket elevator 4, and the dust is conveyed into the dust storage bin 3 through the bucket elevator 4;
a notch sealing adhesive tape 16 is arranged at a notch on the upper end face of the ore tank 14, the notch sealing adhesive tape 16 is used for sealing the notch of the ore tank 14 and the discharge port of the discharge trolley 15, the notch is sealed through the notch sealing adhesive tape 16, and when the discharge trolley 15 is placed for discharging, dust is led to go out to the air; leading to more dust in the workshop;
the positioning and parking module comprises a positioning receiver with codes, which is arranged in the ore tank 14, and a positioning generator matched with the positioning receiver is arranged on the discharging trolley; the lifting switching valve 13 is used for taking the signal to make an opening or closing instruction of the lifting switching valve 13 when the discharging trolley 15 discharges materials in the production at a mine slot stopping point, and the lifting switching valve 13 is opened or closed after receiving the opening or closing instruction;
the dust removal module is a pulse bag type dust remover; a notch sealing adhesive tape 16 is arranged at the notch of the upper end surface of the ore tank 14; the bottom of the ash storage bin 3 is provided with an automobile suction and discharge joint 2, and the automobile suction and discharge joint 2 is connected with an automobile tank car 1 through a connecting pipe.
Referring to fig. 2-5, a negative pressure dust removal system device for moving and discharging on a mine groove comprises a discharge trolley 15, a mine groove 14, a negative pressure dust hood 17, a lifting switching valve 13, a branch air duct 18, a dust remover 6, a fan 9, a silencer 10, a chimney 11, a scraper conveyor 5, a bucket elevator 4 and an ash storage bin 3;
a trolley track is arranged on the ore tank 14, a discharge trolley 15 is arranged on the trolley pipeline, a negative pressure dust hood 17 is arranged on one side, located at the notch, of the upper end face of the ore tank 14, a lifting switching valve 13 is arranged on the upper end face of the negative pressure dust hood 17, the lifting switching valve 13 is communicated with the first connecting air pipe 12 through a branch air pipe 18, and one end of the first connecting air pipe 12 is communicated with one end of the second connecting air pipe 7; the other end of the second connecting air pipe 7 is communicated with one side of the dust remover 6; the negative pressure dust hood 17 can also be arranged on the side of the ore tank 14; the bottom of the dust remover 6 is provided with a scraper 5, one side of the scraper 5 is communicated with the bottom of the bucket elevator 4 through a pipeline, and the top of the bucket elevator 4 is communicated with the top of the ash storage bin 3 through a pipeline; the other side of the dust remover 6 is communicated with one end of a third connecting air pipe 8, the other end of the third connecting air pipe 8 is communicated with one side of a fan 9, the other side of the fan 9 is communicated with one side of a silencer 10, and the other side of the silencer 10 is communicated with the bottom of a chimney 11; a notch sealing adhesive tape 16 is arranged at the notch of the upper end surface of the ore tank 14; the bottom of the ash storage bin 3 is provided with an automobile suction and discharge joint 2, and the automobile suction and discharge joint 2 is connected with an automobile tank car 1 through a connecting pipe; the dust remover 6 is a pulse bag type dust remover; the unloading trolley 15 stops at a fixed point position for unloading, a fixed negative pressure dust hood 17 and a lifting switching valve 13 are arranged on the ore tank 14, when the unloading trolley 15 moves to a fixed unloading point of the ore tank 17 for parking and unloading, the lifting switching valve 13 on the negative pressure dust hood 17 corresponding to the ore tank 14 is opened, and when the unloading trolley 15 stops unloading or moves to a fixed unloading point of the next ore tank 14 for unloading, the lifting switching valve 13 on the negative pressure dust hood 17 of the ore tank 14 is automatically closed when no overflowing flying dust exists in the ore tank 14; the method comprises the steps that a positioning receiver with codes is installed, a positioning generator is installed on a discharging trolley 15 for accurate positioning, a lifting switching valve 13 on a negative pressure dust hood 17 of each ore groove 14 is interlocked with production, the lifting switching valve of a production discharging bin is started for dedusting according to a positioning signal of the discharging trolley 15 and a moving signal of the discharging trolley, and the lifting switching valves of other bins which are not used for discharging are closed;
the lifting switching valve 13 adopts a switching valve disclosed in 'publication No. CN203926824U lifting valve for dust removal air pipe', and has the advantages of stability, reliability, uneasiness, low failure rate, good sealing effect, and guarantee of reliable operation of the negative pressure dust hood switching valve between all mine chutes of the dust removal system, and long-term stable operation of the pipe network of the dust removal system.
The movable discharging opening is sealed by a sealing device which is disclosed in a patent number ZL201410303004.7 of a totally-closed movable ventilation dust removal system of a receiving opening on an ore tank, and a direction changing device is a patent number ZL201410303004.6 of a direction changing device of a movable discharging opening sealant tape, so that the sealing is tight and the operation is stable.
Under the condition that the notch sealing adhesive tape cannot be implemented, a novel dustproof grate for the notch of the mine is adopted, and the patent number ZL201821449358.2 reduces the notch opening and enhances the negative pressure dust removal effect;
example two:
the positioning and parking module comprises a proximity switch arranged on the ore tank 14 and is used for taking the signal to make an opening or closing instruction of the lifting switching valve 13 when the discharge trolley 15 discharges materials in the production at the ore tank parking point, and the lifting switching valve 13 is opened or closed after receiving the opening or closing instruction;
when the invention is used, the discharging trolley 15 is stopped at a fixed point for discharging, the ore tank 14 is provided with the fixed negative pressure dust hood 17 and the lifting switching valve 13, when the discharging trolley 15 moves to a fixed discharging point of the ore tank 14 for stopping discharging, the lifting switching valve 13 on the negative pressure dust hood 17 corresponding to the ore tank 14 is opened, and when the discharging trolley 15 stops discharging or moves to a fixed discharging point of the next ore tank 14 for discharging, the lifting switching valve 13 on the negative pressure dust hood 17 of the ore tank 14 is automatically closed when no overflowing flying dust exists in the ore tank 14; the positioning receiver with codes and the positioning generator are installed on the discharging trolley 15 for accurate positioning, the switching valve 13 is lifted on the negative pressure dust hood 17 of each ore tank 14 to be interlocked with production, dust gas in the ore tanks 14 is dedusted by the deduster 6 to generate clean gas and dust, the clean gas is discharged through the chimney 11 after passing through the fan 9 and the silencer 10, and the dust enters the dust storage bin 3 through the scraper 5 and the bucket elevator 4 to be stored.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A negative pressure dedusting system for mobile discharge on a mine trough, comprising:
the positioning and parking module is used for controlling the discharging trolley (15) to automatically stop on the ore tank (14) needing discharging;
the dust gas collecting and conveying module is used for lifting the switching valve (13) on the negative pressure dust hood (17) of the ore tank (14) to be opened when the discharge trolley (15) stops discharging in the production of the ore tank (14) needing discharging, collecting and conveying the dust gas in the ore tank (14) to the dust removal module
The dust removal module is used for carrying out dust removal treatment on the dust gas to obtain clean gas and dust;
the discharge module is used for discharging the clean gas and comprises a fan (9), a silencer (10) and a chimney (11), wherein the fan (9) conveys the clean gas into the chimney (11) through the silencer (10) and discharges the clean gas through the chimney (11);
the storage module is used for storing dust and comprises a scraper conveyor (5), a bucket elevator (4) and a dust storage bin (3), wherein the scraper conveyor (5) conveys the dust to the bucket elevator (4), and the dust is conveyed to the dust storage bin (3) through the bucket elevator (4);
a notch sealing adhesive tape (16) is arranged at the notch of the upper end surface of the ore tank (14), and the notch sealing adhesive tape (16) is used for sealing the notch of the ore tank (14) and the discharge opening of the discharge trolley (15).
2. The negative-pressure dust removal system for the mobile unloading on the ore tank is characterized in that the positioning and stopping module comprises a positioning receiver with a code, which is arranged on the ore tank (14), and a positioning generator matched with the positioning receiver is arranged on the unloading trolley; the lifting switching valve (13) is opened or closed by the aid of signals generated by the positioning receiver when the unloading trolley (15) is used for production unloading at a mine groove parking point, and the lifting switching valve (13) is opened or closed after receiving the opening or closing instructions.
3. The negative pressure dust removal system for the movable unloading on the ore tank is characterized in that the positioning and stopping module comprises a proximity switch installed on the ore tank (14), the proximity switch is used for taking a signal generated by the proximity switch when the unloading trolley (15) carries out production unloading at the ore tank stopping point to make an opening or closing instruction of the lifting switching valve (13), and the lifting switching valve (13) is opened or closed after receiving the opening or closing instruction.
4. The negative pressure dust removal system for the mobile discharge on the ore tank as claimed in claim 1, wherein the dust removal module is a pulse bag type dust remover; the bottom of the ash storage bin (3) is provided with an automobile suction and discharge joint (2), and the automobile suction and discharge joint (2) is connected with an automobile tank car (1) through a connecting pipe.
5. A negative pressure dust removal device for moving and discharging on an ore tank is characterized by comprising a discharging trolley (15), an ore tank (14), a negative pressure dust hood (17), a lifting switching valve (13), a branch air pipe (18), a dust remover (6), a fan (9), a silencer (10), a chimney (11), a scraper conveyor (5), a bucket elevator (4) and an ash storage bin (3);
a trolley track is installed on the ore tank (14), a discharging trolley (15) is installed on a trolley pipeline, a negative pressure dust hood (17) is installed on one side, located at the notch, of the upper end face of the ore tank (14), a lifting switching valve (13) is installed on the upper end face of the negative pressure dust hood (17), the lifting switching valve (13) is in through connection with a first connecting air pipe (12) through a branch air pipe (18), and one end of the first connecting air pipe (12) is in through connection with one end of a second connecting air pipe (7); the other end of the second connecting air pipe (7) is communicated with one side of the dust remover (6);
the bottom of the dust remover (6) is provided with a scraper (5), one side of the scraper (5) is communicated with the bottom of the bucket elevator (4) through a pipeline, and the top of the bucket elevator (4) is communicated with the top of the ash storage bin (3) through a pipeline;
the other side of the dust remover (6) is in through connection with one end of a third connecting air pipe (8), the other end of the third connecting air pipe (8) is in through connection with one side of a fan (9), the other side of the fan (9) is in through connection with one side of a silencer (10), and the other side of the silencer (10) is in through connection with the bottom of a chimney (11).
6. A negative pressure dust collector for moving discharge on a mine groove according to claim 5, characterized in that a notch sealing adhesive tape (16) is installed at the notch of the upper end surface of the mine groove (14).
7. The negative pressure dust removing device for the movable discharging on the ore groove as claimed in claim 5, wherein the bottom of the ash storage bin (3) is provided with a car suction and discharge connector (2), and the car suction and discharge connector (2) is connected with a car tank car (1) through a connecting pipe.
8. A negative pressure dusting device for mobile discharge on mine chutes as claimed in claim 5, characterised in that the duster (6) is a pulse bag duster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382173.4A CN113135448A (en) | 2021-04-09 | 2021-04-09 | Negative pressure dust removal system and device for moving discharging on ore tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110382173.4A CN113135448A (en) | 2021-04-09 | 2021-04-09 | Negative pressure dust removal system and device for moving discharging on ore tank |
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| Publication Number | Publication Date |
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| CN113135448A true CN113135448A (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110382173.4A Pending CN113135448A (en) | 2021-04-09 | 2021-04-09 | Negative pressure dust removal system and device for moving discharging on ore tank |
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| Country | Link |
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| CN (1) | CN113135448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2806640C1 (en) * | 2021-12-22 | 2023-11-02 | Чина Юниверсити оф Мининг энд Технолоджи | Device for dust removal in bunkers for mining raw materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2806640C1 (en) * | 2021-12-22 | 2023-11-02 | Чина Юниверсити оф Мининг энд Технолоджи | Device for dust removal in bunkers for mining raw materials |
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Application publication date: 20210720 |
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