CN213492580U - On-line build-up welding smoke removing device - Google Patents
On-line build-up welding smoke removing device Download PDFInfo
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- CN213492580U CN213492580U CN202022275085.8U CN202022275085U CN213492580U CN 213492580 U CN213492580 U CN 213492580U CN 202022275085 U CN202022275085 U CN 202022275085U CN 213492580 U CN213492580 U CN 213492580U
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Abstract
The utility model discloses an online build-up welding smoke abatement device, it includes collection petticoat pipe, silk screen filter, powder spray device and dust removal mechanism, and dust removal mechanism includes shell reciprocal anchorage's cloth filter and strains a filter. The advantages are that: the device has simple structure, convenient movement, convenient use and wide applicability, and the position of the device can be adjusted according to the surfacing working condition; the smoke generated by surfacing can be filtered through the wire mesh filter, the cloth bag filter and the filter cartridge filter, so that the smoke generated by surfacing is prevented from being emitted randomly, the normal surfacing is ensured, the overhaul period is shortened, and the harm of smoke to the health of staff can be reduced; before the equipment is put into use, the powder spraying device is used for spraying lime powder on the cloth bag filter, so that the cloth bag blockage failure can be reduced, and the filtering effect is ensured.
Description
The technical field is as follows:
the utility model relates to a coal pulverizer maintenance technical field, specifically speaking relate to an online build-up welding smoke abatement device.
Background art:
coal mills are machines for breaking up and grinding coal briquettes into coal fines, which are important auxiliary equipment for coal-fired furnaces of coal-fired power plants. Because reasons such as welding overtemperature, grinding roller stall can cause grinding roller welding fracture, because the coal pulverizer structure is complicated, dismantle inconveniently, carry out on-line build-up welding to the welding fracture, but, when the online build-up welding of coal pulverizer, the smoke and dust emits in disorder, and the smoke and dust volume is great in the time of continuous build-up welding, influences the sight, and the extension overhauls the time limit for a project, can the polluted environment simultaneously, endangers staff's health.
The utility model has the following contents:
an object of the utility model is to provide an improve maintenance efficiency's online build-up welding smoke abatement device.
The utility model discloses by following technical scheme implement: the online surfacing smoke removal device comprises a smoke collecting hood, a wire mesh filter, a powder spraying device and a dust removal mechanism, wherein the bottom of the dust removal mechanism is provided with a roller, the dust removal mechanism comprises a cloth bag filter and a filter cartridge filter, the shells of the cloth bag filter and the filter cartridge filter are mutually fixed, and the air outlet of the cloth bag filter is communicated with the air inlet of the filter cartridge filter through a pipeline; the outlet of the smoke collecting hood is connected with the inlet pipeline of the filter of the screen filter through a smoke inlet pipe, the side wall of the smoke inlet pipe is connected with a fixed seat, the outlet of the filter of the screen filter is connected with the powder spraying inlet pipeline of the powder spraying device through a pipeline, the powder spraying outlet of the powder spraying device is connected with the inlet pipeline of the cloth bag filter through a pipeline, and the outlet of the filter cartridge filter is communicated with the inlet pipeline of the induced draft fan.
Further, the wire mesh filter comprises a filter box body, and the left side wall and the right side wall of the filter box body are respectively provided with the filter inlet and the filter outlet; and a plurality of wire mesh plates which are arranged opposite to the filter inlet are fixed in the filter box body.
Furthermore, connecting plates are respectively fixed between the tops and the bottoms of the plurality of wire mesh plates; the connecting plate is in sliding connection with the inner wall of the top end or the inner wall of the bottom end of the adjacent filter box body; and a filter door which is arranged corresponding to the wire mesh plates is arranged on the side wall of the front end of the filter box body.
Furthermore, the powder spraying device comprises an air pump, a lime powder box, a powder spraying box and mixing spray guns, wherein the powder spraying inlet and the powder spraying outlet are respectively arranged on a pair of side walls of the powder spraying box, a plurality of vertically arranged mixing spray guns are arranged at the top of the powder spraying box, and outlets of the mixing spray guns are arranged inside the powder spraying box; the outlet of the air pump is communicated with the air inlet pipeline of the mixing spray gun, and the outlet of the lime powder box is communicated with the feed inlet pipeline of the mixing spray gun through a delivery pump.
Further, a dryer is installed at an inlet of the air pump.
Further, a driving shaft which is horizontally arranged is rotatably arranged on the side wall of the shell above the mounting pore plate of the cloth bag filter, a cam is fixed at the end part of the driving shaft in the shell, and the other end of the driving shaft extends to the outside of the shell; and a rapping motor is fixed on the outer wall of the shell, and an output shaft of the rapping motor is coaxially and fixedly connected with the driving shaft.
Further, the fixing seat is a magnetic fixing seat.
The utility model has the advantages that: the device has simple structure, convenient movement, convenient use and wide applicability, and the position of the device can be adjusted according to the surfacing working condition; the smoke generated by surfacing can be filtered through the wire mesh filter, the cloth bag filter and the filter cartridge filter, so that the smoke generated by surfacing is prevented from being emitted randomly, the normal surfacing is ensured, the overhaul period is shortened, and the harm of smoke to the health of staff can be reduced; before the equipment is put into use, the powder spraying device is used for spraying lime powder on the cloth bag filter, so that the cloth bag blockage failure can be reduced, and the filtering effect is ensured.
Description of the drawings:
fig. 1 is a schematic overall structure diagram of the present embodiment.
Fig. 2 is a schematic structural view of the wire mesh filter.
Fig. 3 is a schematic structural diagram of the powder spraying device.
The device comprises a smoke collecting hood 1, a wire mesh filter 2, a filter inlet 2.1, a filter outlet 2.2, a filter box body 2.3, a wire mesh plate 2.4, a connecting plate 2.5, a filter door 2.6, a powder spraying device 3, a powder spraying inlet 3.1, a powder spraying outlet 3.2, an air pump 3.3, a lime powder box 3.4, a powder spraying box 3.5, a mixing spray gun 3.6, a delivery pump 3.7, a dryer 3.8, a dust removal mechanism 4, a cloth bag filter 4.1, an installation pore plate 4.1.1, a shell 4.1.2, a filter cartridge filter 4.2, a driving shaft 4.3, a cam 4.4, a vibrating motor 4.5, a smoke inlet pipe 5, a fixed seat 6, a roller 7 and an induced draft fan 8.
The specific implementation mode is as follows:
in the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the online surfacing smoke abatement device comprises a smoke collection hood 1, a wire mesh filter 2, a powder spraying device 3 and a dust removal mechanism 4, wherein the dust removal mechanism 4 comprises a cloth bag filter 4.1 and a filter cartridge filter 4.2, the shells of which are fixed with each other, and an air outlet of the cloth bag filter 4.1 is communicated with an air inlet of the filter cartridge filter 4.2 through a pipeline; the filter screen can be fixed in the smoke collecting hood 1 to primarily filter smoke, the outlet of the smoke collecting hood 1 is connected with the filter inlet 2.1 pipeline of the screen filter 2 through the smoke inlet pipe 5, the side wall of the smoke inlet pipe 5 is connected with the fixed seat 6, the fixed seat 6 can be directly welded and fixed with the smoke inlet pipe 5, and can also be connected and fixed with the smoke inlet pipe 5 through a rope, the fixed seat 6 is a magnetic fixed seat, the smoke inlet pipe 5 is a corrugated pipe, the magnetic fixed seat is adsorbed on equipment near a welding position, the smoke inlet pipe 5 can be hung and fixed, and the smoke collecting hood 1 can be conveniently hung above the surfacing welding position; a filter outlet 2.2 of the wire mesh filter 2 is connected with a powder spraying inlet 3.1 of the powder spraying device 3 through a pipeline, a powder spraying outlet 3.2 of the powder spraying device 3 is connected with a cloth bag filter 4.1 through a pipeline, and an outlet of the filter cartridge filter 4.2 is communicated with an inlet pipeline of the induced draft fan 8; the bottom of the dust removing mechanism 4 is provided with a roller 7, and the roller 7 adopts a universal wheel, so that the movement of the equipment is convenient. The fume collecting hood 1 is suspended above the surfacing position, the induced draft fan 8 enables negative pressure to be generated inside the system, fume generated by surfacing is collected by the fume collecting hood 1 and then enters the wire mesh filter 2 through the fume inlet pipe 5, and large particles in the fume are intercepted by the wire mesh filter 2; then enters a dust removal mechanism 4 after passing through a powder spraying device 3, and is sequentially filtered by a cloth bag and a filter cartridge, and gas discharged from the filter cartridge filter 4.2 can be directly discharged;
specifically, the wire mesh filter 2 comprises a filter box body 2.3, and the left side wall and the right side wall of the filter box body 2.3 are respectively provided with a filter inlet 2.1 and a filter outlet 2.2; a plurality of wire mesh plates 2.4 which are arranged opposite to the filter inlet 2.1 are fixed in the filter box body 2.3; the wire mesh plate 2.4 reduces the flow velocity of the flue gas, and simultaneously intercepts and filters large particles carried in the flue gas; connecting plates 2.5 are respectively fixed between the tops and the bottoms of the wire mesh plates 2.4; the connecting plate 2.5 is connected with the inner wall of the top end or the inner wall of the bottom end of the adjacent filter box body 2.3 in a sliding way, and particularly, a track and a sliding block are respectively fixed on the inner wall of the filter box body 2.3 and the connecting plate 2.5 adjacent to the inner wall, so that the sliding connection between the connecting plate 2.5 and the filter box body 2.3 is realized; a filter door 2.6 which is arranged corresponding to the plurality of wire mesh plates 2.4 is arranged on the side wall of the front end of the device box body 2.3; after the filter door 2.6 is opened, the screen plate 2.4 and the connecting plate 2.5 can be taken out from the door frame of the filter door 2.6 integrally, so that the screen plate 2.4 is convenient to clean and convenient to disassemble and assemble;
specifically, the powder spraying device 3 comprises an air pump 3.3, a lime powder box 3.4, a powder spraying box 3.5 and a mixing spray gun 3.6, a conical material collecting port is arranged at the bottom of the powder spraying box 3.5, a powder spraying inlet 3.1 and a powder spraying outlet 3.2 are respectively arranged on a pair of side walls of the powder spraying box 3.5, a plurality of vertically arranged mixing spray guns 3.6 are arranged at the top of the powder spraying box 3.5, and outlets of the mixing spray guns 3.6 are arranged inside the powder spraying box 3.5; the dryer 3.8 is arranged at the inlet of the air pump 3.3, and the dryer 3.8 is used for drying the gas entering the mixing spray gun 3.6, so that the air humidity can be effectively reduced, and the fault of blockage of the mixing spray gun 3.6 is reduced; the outlet of the air pump 3.3 is communicated with the air inlet pipeline of the mixing spray gun 3.6, and the outlet of the lime powder box 3.4 is communicated with the feed inlet pipeline of the mixing spray gun 3.6 through a delivery pump 3.7; the conveying pump 3.7 can pump the lime powder in the lime powder box 3.4 into the central pipe of the mixing spray gun 3.6, meanwhile, the air pump 3.3 pumps the external air into the annular pipe at the periphery of the mixing spray gun 3.6 by pressure, the lime powder and the pressurized air are sprayed into the powder spraying box 3.5 through the mixing spray gun 3.6 to form spray, the atomized lime powder is brought into the bag filter 4.1 when passing through the powder spraying box 3.5, the flue gas passes through the bag, and the lime powder is attached to the outer wall of the bag to form an isolation layer;
specifically, a horizontally arranged driving shaft 4.3 is rotatably arranged on the side wall of the shell 4.1.2 above the mounting pore plate 4.1.1 of the cloth bag filter 4.1, a cam 4.4 is fixed at the end part of the driving shaft 4.3 in the shell 4.1.2, and the flange of the cam 4.4 is movably abutted against the top surface of the mounting pore plate 4.1.1; the other end of the drive shaft 4.3 extends outside the housing 4.1.2; a rapping motor 4.5 is fixed on the outer wall of the shell 4.1.2, and an output shaft of the rapping motor 4.5 is coaxially and fixedly connected with a driving shaft 4.3; the output shaft of the rapping motor 4.5 drives the driving shaft 4.3 to rotate and simultaneously drives the cam 4.4 to rotate together, the flange of the cam 4.4 is periodically contacted with the top surface of the mounting pore plate 4.1.1, so that rapping on the mounting pore plate 4.1.1 can be realized, and impurities attached to the cloth bag fall into the ash box below;
instructions for use: firstly, an air pump 3.3, a delivery pump 3.7 and an induced draft fan 8 are started, the induced draft fan 8 enables the interior of the system to form negative pressure, negative pressure from a smoke collecting hood 1 to a dust removal mechanism 4 is generated, lime powder is sprayed into the interior of a powder spraying box 3.5 under the combined action of the air pump 3.3 and the delivery pump 3.7 to form lime powder suspended matters, the lime powder suspended matters enter a cloth bag filter 4.1 along with flowing air flow and then are adsorbed on the cloth bag, and pre-spraying of the cloth bag is achieved; then, the air pump 3.3, the delivery pump 3.7 and the induced draft fan 8 are turned off, the whole equipment is moved to the accessory of the surfacing equipment, the fume collecting hood 1 is suspended above the surfacing part, and the fixed seat 6 is fixed with the equipment of the accessory of the surfacing part, so that the fume collecting hood 1 is fixed; and finally, starting the induced draft fan 8, forming negative pressure in the system, sucking the smoke generated by surfacing into the system, filtering the smoke through the wire mesh filter 2, the cloth bag filter 4.1 and the filter cartridge filter 4.2 in sequence, and discharging the clean gas through an outlet of the filter cartridge filter 4.2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The online surfacing smoke removal device is characterized by comprising a smoke collecting hood, a wire mesh filter, a powder spraying device and a dust removal mechanism, wherein the bottom of the dust removal mechanism is provided with a roller, the dust removal mechanism comprises a cloth bag filter and a filter cartridge filter, the shells of the cloth bag filter and the filter cartridge filter are mutually fixed, and the air outlet of the cloth bag filter is communicated with the air inlet of the filter cartridge filter through a pipeline; the outlet of the smoke collecting hood is connected with the inlet pipeline of the filter of the screen filter through a smoke inlet pipe, the side wall of the smoke inlet pipe is connected with a fixed seat, the outlet of the filter of the screen filter is connected with the powder spraying inlet pipeline of the powder spraying device through a pipeline, the powder spraying outlet of the powder spraying device is connected with the inlet pipeline of the cloth bag filter through a pipeline, and the outlet of the filter cartridge filter is communicated with the inlet pipeline of the induced draft fan.
2. The on-line build-up welding smoke abatement device according to claim 1, wherein the wire mesh filter comprises a filter box body, and the filter inlet and the filter outlet are respectively provided on left and right side walls of the filter box body; and a plurality of wire mesh plates which are arranged opposite to the filter inlet are fixed in the filter box body.
3. The on-line surfacing smoke abatement device according to claim 2, wherein a connecting plate is fixed between the top and the bottom of the plurality of wire mesh plates respectively; the connecting plate is in sliding connection with the inner wall of the top end or the inner wall of the bottom end of the adjacent filter box body; and a filter door which is arranged corresponding to the wire mesh plates is arranged on the side wall of the front end of the filter box body.
4. The on-line surfacing smoke abatement device according to any one of claims 1 to 3, wherein the powder spraying device comprises an air pump, a lime powder box, a powder spraying box and a mixing spray gun, wherein a pair of side walls of the powder spraying box are respectively provided with the powder spraying inlet and the powder spraying outlet, the top of the powder spraying box is provided with a plurality of vertically arranged mixing spray guns, and outlets of the mixing spray guns are arranged inside the powder spraying box; the outlet of the air pump is communicated with the air inlet pipeline of the mixing spray gun, and the outlet of the lime powder box is communicated with the feed inlet pipeline of the mixing spray gun through a delivery pump.
5. An on-line build-up welding smoke abatement apparatus according to claim 4, wherein a dryer is mounted on an inlet of the air pump.
6. The on-line surfacing smoke removal device according to claim 1, 2, 3 or 5, wherein a horizontally arranged driving shaft is rotatably arranged on the side wall of the shell above the mounting pore plate of the cloth bag filter, a cam is fixed at the end part of the driving shaft in the shell, and the other end of the driving shaft extends to the outside of the shell; and a rapping motor is fixed on the outer wall of the shell, and an output shaft of the rapping motor is coaxially and fixedly connected with the driving shaft.
7. The on-line surfacing smoke removal device according to claim 4, wherein a horizontally arranged driving shaft is rotatably arranged on the side wall of the shell above the mounting pore plate of the cloth bag filter, a cam is fixed at the end part of the driving shaft in the shell, and the other end of the driving shaft extends to the outside of the shell; and a rapping motor is fixed on the outer wall of the shell, and an output shaft of the rapping motor is coaxially and fixedly connected with the driving shaft.
8. An on-line surfacing smoke removing device according to claim 1, 2, 3, 5 or 7, wherein the fixing base is a magnetic fixing base.
9. The on-line build-up welding smoke abatement device of claim 6, wherein the fixing base is a magnetic fixing base.
10. An on-line build-up welding smoke abatement apparatus according to claim 1, 2, 3, 5 or 7, wherein a screen is mounted inside the outlet of the smoke collection hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275085.8U CN213492580U (en) | 2020-10-13 | 2020-10-13 | On-line build-up welding smoke removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022275085.8U CN213492580U (en) | 2020-10-13 | 2020-10-13 | On-line build-up welding smoke removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213492580U true CN213492580U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022275085.8U Active CN213492580U (en) | 2020-10-13 | 2020-10-13 | On-line build-up welding smoke removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213492580U (en) |
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2020
- 2020-10-13 CN CN202022275085.8U patent/CN213492580U/en active Active
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