CN216856033U - Flue gas filtering device for boiler - Google Patents
Flue gas filtering device for boiler Download PDFInfo
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- CN216856033U CN216856033U CN202122969595.XU CN202122969595U CN216856033U CN 216856033 U CN216856033 U CN 216856033U CN 202122969595 U CN202122969595 U CN 202122969595U CN 216856033 U CN216856033 U CN 216856033U
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- flue gas
- belt pulley
- filtering device
- gas filtering
- air inlet
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Abstract
The utility model discloses a flue gas filtering device for a boiler, which relates to the technical field of flue gas filtering equipment and comprises a suction fan, wherein a purifying box fixed on the ground is arranged on one side of the suction fan, an air inlet pipe is connected to the air inlet of the suction fan, an air inlet cover is connected to the other end of the air inlet pipe, an air outlet pipe is connected to the air outlet of the suction fan, and an upper purifying chamber and a lower purifying chamber are arranged in the purifying box. According to the utility model, by utilizing the transmission mechanism, when the two filter screens filter the smoke, the double-shaft motor is started to rotate the two gears and transmit the rotation to the filter screen I connected with the outer gear ring, the filtering surfaces of the two filter screens I can be cleaned by water in the upper purifying chamber and impurities adhered to the filtering surfaces are removed by the cleaning brush, so that the filter screens I are effectively prevented from being blocked, the service life of the filter screens I is greatly prolonged, and meanwhile, the synchronous rotation of the fan blades is utilized to accelerate the discharge speed of the filtered smoke and greatly improve the filtering efficiency.
Description
Technical Field
The utility model relates to the technical field of flue gas filtering equipment, in particular to a flue gas filtering device for a boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, and when the flue gas of the boiler is treated, flue gas filtering equipment is required.
At present, current flue gas filter equipment utilizes the filter screen to filter the flue gas mostly, uses the back when the filter screen for a long time, and its filtering surface piles up full of impurity easily to reduce the filterable permeability of filter screen effectively, secondly, the life of greatly reduced filter screen, we have designed a flue gas filter equipment for the boiler for this reason and have solved above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a smoke filtering device for a boiler.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a flue gas filtering device for a boiler comprises a suction fan, wherein a purification box fixed on the ground is arranged on one side of the suction fan, an air inlet pipe is connected to the air inlet of the suction fan, an air inlet cover is connected to the other end of the air inlet pipe, an air outlet pipe is connected to the air outlet of the suction fan, an upper purification chamber and a lower purification chamber are arranged in the purification box, the other end of the air outlet pipe extends into the upper purification chamber, a transmission shaft is rotatably connected into the purification box through a bearing, two filter screens I moving in the upper purification chamber are fixedly connected to the outer side of the transmission shaft, a filter screen II is further fixedly arranged in the lower purification chamber, and a transmission mechanism and an intermittent recovery mechanism are arranged between the two filter screens I and the purification box;
drive mechanism includes the outer ring gear of equal rigid coupling in two filter screen outsides, goes up all set up on the both sides inner wall of clean room and the interior roof with two outer ring gear matched with movable passage, go up two on the clean room interior roof the inner wall of movable passage all is equipped with the sealing member, two the top of outer ring gear all meshes and is connected with the gear, two be equipped with the biax motor of fixing on the purifying box top between, the both ends output shaft of biax motor all links to each other with the installation shaft hole of gear, and the right side gas outlet department of purifying box is fixed with the bracing piece, rotates through the bearing on the bracing piece and is connected with the connecting axle, all is fixed with the flabellum on the both sides wall of connecting axle, and the outside of connecting axle still rigid coupling has belt pulley two, and the extension of biax motor right-hand member output shaft still rigid coupling has belt pulley one, and belt pulley one is connected with belt pulley two transmissions.
Preferably, the bottom end of the air inlet hood is fixedly connected to an air outlet at the top end of external boiler equipment through a fastener.
Preferably, the left side of filter screen one all is equipped with the cleaning brush of fixing on last clean room roof, and the brush face of cleaning brush all laminates with the left side surface of the filter screen one that corresponds mutually.
Preferably, a water outlet with an electromagnetic valve is connected to a water outlet at the bottom end in the upper purification chamber, and the bottom end of the water outlet extends into the lower purification chamber.
Preferably, the intermittent recovery mechanism is fixed on a fixed cylinder on the right side wall of the purification box, a piston plate slides inside the fixed cylinder, and a piston rod is fixed at the top end of the piston plate.
Preferably, the right side wall of the purifying box is rotatably connected with a rotating shaft through a bearing, the outer side of the rotating shaft is fixedly connected with a third belt pulley, and a second transmission belt is connected between the third belt pulley and the second belt pulley in a transmission manner.
Preferably, the edge of the surface of the third belt pulley is hinged with a push-pull rod, and the bottom end of the push-pull rod is hinged with the top end of the piston rod.
Preferably, the water inlet on the right side wall of the fixed cylinder is connected with a water pumping pipe with a one-way valve, the other end of the water pumping pipe extends into the lower purification chamber, the water outlet at the bottom end of the fixed cylinder is connected with a water discharging pipe with a one-way valve, and the other end of the water discharging pipe extends into the upper purification chamber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the transmission mechanism is utilized, two filter screens can filter smoke, and the double-shaft motor is started to rotate the two gears and transmit the filter screens I connected with the outer gear ring to rotate, so that the filtering surfaces of the two filter screens I can be cleaned by water in the upper purifying chamber and impurities adhered to the filtering surfaces are removed by the cleaning brush, the filter screens I are effectively prevented from being blocked, the service life of the filter screens I is greatly prolonged, and meanwhile, the synchronous rotation of the fan blades is utilized, the discharge speed of the filtered smoke is accelerated, and the filtering efficiency is greatly improved;
2. in the utility model, the intermittent recovery mechanism is utilized, so that the water purified by the filter screen II can be conveyed to the upper purifying chamber again in an intermittent manner for recycling, the effects of saving energy and protecting environment are achieved, and the device is worth being popularized and used.
Drawings
FIG. 1 is a schematic structural diagram of a flue gas filtering device for a boiler according to the present invention;
FIG. 2 is a schematic structural diagram of a right side sectional view of a purifying box of a flue gas filtering device for a boiler according to the present invention;
FIG. 3 is an enlarged schematic structural view of a flue gas filtering device for a boiler according to the present invention at A;
fig. 4 is an enlarged schematic structural diagram of a flue gas filtering device for a boiler according to the present invention at B.
In the figure: 1. a suction fan; 2. a purification box; 3. an air inlet pipe; 31. an air intake hood; 4. an air outlet pipe; 5. a drive shaft; 51. a first filter screen; 52. a cleaning brush; 53. a water outlet pipe; 6. a second filter screen; 7. a transmission mechanism; 701. an outer ring gear; 702. a gear; 703. a double-shaft motor; 704. a first belt pulley; 705. a connecting shaft; 706. a fan blade; 707. a second belt pulley; 708. a first transmission belt; 8. an intermittent recovery mechanism; 801. a fixed cylinder; 802. a piston plate; 803. a piston rod; 804. a rotating shaft; 805. a third belt pulley; 806. a push-pull rod; 807. a water pumping pipe; 808. a drain pipe; 809. and a second transmission belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a flue gas filtering device for a boiler comprises a suction fan 1, wherein a purification box 2 fixed on the ground is arranged on one side of the suction fan 1, an air inlet pipe 3 is connected to an air inlet port of the suction fan 1, the other end of the air inlet pipe 3 is connected with an air inlet hood 31, the bottom end of the air inlet hood 31 is fixedly connected to an air outlet port at the top end of external boiler equipment through a fastener, an air outlet pipe 4 is connected to an air outlet port of the suction fan 1, an upper purification chamber and a lower purification chamber are arranged in the purification box 2, the other end of the air outlet pipe 4 extends into the upper purification chamber, a transmission shaft 5 is rotatably connected in the purification box 2 through a bearing, two filter screens 51 movable in the upper purification chamber are fixedly connected to the outer side of the transmission shaft 5, a filter screen two filter screen 6 is also fixedly arranged in the lower purification chamber, and a transmission mechanism 7 and an intermittent recovery mechanism 8 are arranged between the two filter screens 51 and the purification box 2;
the transmission mechanism 7 comprises outer gear rings 701 fixedly connected to the outer sides of the two filter screens 51, the inner walls of the two sides and the inner top wall of the upper purifying chamber are respectively provided with a movable channel matched with the two outer gear rings 701, the inner walls of the two movable channels on the inner top wall of the upper purifying chamber are respectively provided with a sealing element, the upper parts of the two outer gear rings 701 are respectively connected with a gear 702 in a meshing manner, a double-shaft motor 703 fixed at the top end of the purifying box 2 is arranged between the two outer gear rings, output shafts at the two ends of the double-shaft motor 703 are respectively connected with an installation shaft hole of the gear 702, a support rod is fixed at the right air outlet of the purifying box 2 and is rotatably connected with a connecting shaft 705 through a bearing, two side walls of the connecting shaft 705 are respectively fixed with fan blades 706, the outer side of the right end of the connecting shaft 705 is fixedly connected with a second belt pulley 707, a first belt pulley 704 is fixedly connected to an extension part of the output shaft of the double-shaft motor 703, and a first belt 708 is in transmission connection with the second belt pulley 707, the sealing element can be a sealing gasket or a sealing ring, and can prevent the air leakage at the two movable channels on the top wall in the upper purifying chamber.
The left side of filter screen 51 all is equipped with the cleaning brush 52 of fixing on last clean room roof, and the brush face of cleaning brush 52 all laminates with the left surface of the filter screen 51 that corresponds mutually, goes up bottom water outlet department in the clean room and is connected with the outlet pipe 53 that has the solenoid valve, and in the bottom of outlet pipe 53 extended to lower clean room, cleaning brush 52 rotated at filter screen 51 to the impurity of the filtering surface of filter screen 51 cleared up.
An intermittent recovery mechanism 8 is fixed on a fixed cylinder 801 on the right side wall of the purification box 2, a piston plate 802 slides inside the fixed cylinder 801, a piston rod 803 is fixed at the top end of the piston plate 802, a rotating shaft 804 is rotatably connected on the right side wall of the purification box 2 through a bearing, a third belt pulley 805 is fixedly connected on the outer side of the rotating shaft 804, a second belt pulley 809 is connected between the third belt pulley 805 and the second belt pulley 707 in a transmission manner, a push-pull rod 806 is hinged at the surface edge of the third belt pulley 805, the bottom end of the push-pull rod 806 is hinged with the top end of the piston rod 803, a water inlet on the right side wall of the fixed cylinder 801 is connected with a water pumping pipe 807 with a one-way valve, the other end of the water pumping pipe 807 extends into the lower purification chamber, a water outlet at the bottom end of the fixed cylinder 801 is connected with a water drainage pipe 808 with a one-way valve, the other end of the water drainage pipe 808 extends into the upper purification chamber, the top end of the piston rod 803 slides to penetrate to the outer side of the fixed cylinder 801, and is hinged to the bottom end of the push-pull rod 806.
Example (b): when the device is used, the exhaust smoke in the boiler is extracted through the suction fan 1 and is sent into the purifying box 2, the first layer of filtering can be realized through the action of the first filter screen 51 on the left side, and the second layer of filtering can be realized under the action of the second filter screen 6 on the right side, so that the filtering effect is good, secondly, the two gears 702 are rotated by starting the double-shaft motor 703, and the first filter screen 51 connected with the outer gear ring 701 is driven to rotate, so that the filtering surfaces of the first filter screens 51 are cleaned through the water in the upper purifying chamber, and impurities adhered to the filtering surfaces are removed through the cleaning brush 52, so that the first filter screen 51 is effectively prevented from being blocked, furthermore, the electromagnetic valve is started, so that the purified water falls into the lower purifying chamber and is filtered through the second filter screen 6, and at the moment, the first belt pulley 704 is driven to rotate through the connecting shaft 705 connected with the second belt pulley 707 through the first driving belt 708, and the fan blades 706 are driven to rotate, so that the flue gas after two-layer filtering and purifying can be rapidly discharged, in addition, the second belt pulley 707 is driven to rotate on the third belt pulley 805 through the second driving belt 809, and the piston rod 803 is driven to reciprocate and lift under the action of the push-pull rod 806, and the piston plate 802 is driven to reciprocate and lift, so that the water after the second filter screen 6 is purified can be intermittently conveyed into the upper purifying chamber again for recycling.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. A flue gas filtering device for a boiler, comprising a suction fan (1), characterized in that: a purification box (2) fixed on the ground is arranged on one side of the suction fan (1), an air inlet pipe (3) is connected to an air inlet opening of the suction fan (1), an air inlet cover (31) is connected to the other end of the air inlet pipe (3), an air outlet pipe (4) is connected to the air outlet opening of the suction fan (1), an upper purification chamber and a lower purification chamber are arranged in the purification box (2), the other end of the air outlet pipe (4) extends into the upper purification chamber, a transmission shaft (5) is rotatably connected in the purification box (2) through a bearing, two filter screens I (51) moving in the upper purification chamber are fixedly connected to the outer side of the transmission shaft (5), a filter screen II (6) is also fixedly arranged in the lower purification chamber, and a transmission mechanism (7) and an intermittent recovery mechanism (8) are arranged between the two filter screens I (51) and the purification box (2);
the transmission mechanism (7) comprises outer gear rings (701) which are fixedly connected to the outer sides of two filter screens I (51), movable channels matched with the two outer gear rings (701) are arranged on the inner walls and the inner top wall of the two sides of an upper purifying chamber, sealing parts are arranged on the inner walls of the movable channels on the inner top wall of the upper purifying chamber, gears (702) are connected to the upper portions of the two outer gear rings (701) in a meshed mode, a double-shaft motor (703) fixed to the top end of a purifying box (2) is arranged between the two outer gear rings, output shafts at the two ends of the double-shaft motor (703) are connected with mounting shaft holes of the gears (702), a support rod is fixed to a right air outlet of the purifying box (2), a connecting shaft (705) is connected to the support rod in a rotating mode through a bearing, fan blades (706) are fixed to the two side walls of the connecting shaft (705), and a belt pulley II (707) is fixedly connected to the outer side of the connecting shaft (705), a first belt pulley (704) is fixedly connected to an extension part of an output shaft at the right end of the double-shaft motor (703), and a first transmission belt (708) is connected with the first belt pulley (704) and a second belt pulley (707) in a transmission manner.
2. A flue gas filtering device for a boiler according to claim 1, characterized in that: the bottom end of the air inlet cover (31) is fixedly connected to an air outlet at the top end of external boiler equipment through a fastening piece.
3. A flue gas filtering device for a boiler according to claim 1, characterized in that: the left side of filter screen (51) all is equipped with cleaning brush (52) of fixing on last clean room roof, and the brush face of cleaning brush (52) all laminates with the left side surface of the filter screen (51) that corresponds mutually.
4. The flue gas filtering device for the boiler according to claim 1, wherein: the bottom outlet in the upper clean room is connected with a water outlet pipe (53) with an electromagnetic valve, and the bottom end of the water outlet pipe (53) extends into the lower clean room.
5. A flue gas filtering device for a boiler according to claim 1, characterized in that: the intermittent recovery mechanism (8) is fixed on a fixed cylinder (801) on the right side wall of the purification box (2), a piston plate (802) slides in the fixed cylinder (801), and a piston rod (803) is fixed at the top end of the piston plate (802).
6. The flue gas filtering device for the boiler according to claim 1, wherein: the right side wall of the purifying box (2) is rotatably connected with a rotating shaft (804) through a bearing, the outer side of the rotating shaft (804) is fixedly connected with a third belt pulley (805), and a second transmission belt (809) is connected between the third belt pulley (805) and the second belt pulley (707) in a transmission manner.
7. The flue gas filtering device for the boiler according to claim 6, wherein: the edge of the surface of the third belt pulley (805) is hinged with a push-pull rod (806), and the bottom end of the push-pull rod (806) is hinged with the top end of the piston rod (803).
8. The flue gas filtering device for the boiler according to claim 5, wherein: water inlet department on fixed section of thick bamboo (801) right side wall is connected with drinking-water pipe (807) of taking the check valve, and the other end of drinking-water pipe (807) extends to down in the clean room, and the bottom delivery port department of fixed section of thick bamboo (801) is connected with drain pipe (808) of taking the check valve, and the other end of drain pipe (808) extends to in the clean room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969595.XU CN216856033U (en) | 2021-11-30 | 2021-11-30 | Flue gas filtering device for boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122969595.XU CN216856033U (en) | 2021-11-30 | 2021-11-30 | Flue gas filtering device for boiler |
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| Publication Number | Publication Date |
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| CN216856033U true CN216856033U (en) | 2022-07-01 |
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| CN202122969595.XU Active CN216856033U (en) | 2021-11-30 | 2021-11-30 | Flue gas filtering device for boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046235A (en) * | 2023-10-12 | 2023-11-14 | 河南天利热工装备股份有限公司 | Hot flue gas treatment device for industrial furnace |
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2021
- 2021-11-30 CN CN202122969595.XU patent/CN216856033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046235A (en) * | 2023-10-12 | 2023-11-14 | 河南天利热工装备股份有限公司 | Hot flue gas treatment device for industrial furnace |
| CN117046235B (en) * | 2023-10-12 | 2024-01-30 | 河南天利热工装备股份有限公司 | Hot flue gas treatment device for industrial furnace |
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