CN113654032B - Soot deposit low-temperature economizer is prevented to sub-pipe excision formula - Google Patents
Soot deposit low-temperature economizer is prevented to sub-pipe excision formula Download PDFInfo
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- CN113654032B CN113654032B CN202110899692.8A CN202110899692A CN113654032B CN 113654032 B CN113654032 B CN 113654032B CN 202110899692 A CN202110899692 A CN 202110899692A CN 113654032 B CN113654032 B CN 113654032B
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- side wall
- pipe
- fixedly connected
- shell
- rotating shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
- F22D1/08—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement
- F22D1/10—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having fins, ribs, gills, corrugations, or the like on their outer surfaces, e.g. in vertical arrangement in horizontal arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a sub-pipe cutting type ash deposition preventing low-temperature economizer, which relates to the field of economizers and comprises a shell; when the anti-abrasion device is used, the smoke inlet pipe starts to enter smoke, the driving fan is driven to rotate through the flow of the smoke, the rotating shaft is driven to rotate through the transmission component, the smoke enters the position of the atomization fan through the anti-abrasion false pipe after passing through the heat exchange pipe, leakage caused by scouring and abrasion of adjacent pipe rows is avoided due to the arrangement of the anti-abrasion false pipe, the smoke flow field of other heating surfaces is ensured to be uniform, the atomization fan is driven to rotate through the rotation of the rotating shaft, the water sprayed out of the lower spray hole formed by the flow pipe is atomized through the rotation of the atomization fan, the contact area of the water and dust is enlarged, the dust in the smoke can be better gathered together, the dust is prevented from accumulating at the bottom of the anti-abrasion false pipe, the corrosion is caused to elements of the economizer, the service life of the economizer is prolonged, the resources are saved, and the use of personnel is facilitated.
Description
Technical Field
The invention relates to the technical field of economizers, in particular to a sub-pipe cutting type ash deposition preventing low-temperature economizer.
Background
The boiler economizer is a heating surface for heating boiler feed water into saturated water under the drum pressure in a boiler tail flue, and is called as the economizer because the boiler economizer absorbs low-temperature flue gas, reduces the flue gas temperature of the flue gas, saves energy and improves the efficiency. A regenerative process is added to the cycle. The endothermic average temperature is raised. Thereby increasing the circulation efficiency; in the starting process of the boiler (drum boiler), because the circulation of the steam-water pipeline is not established, namely, the boiler water supply is in a stagnation state, the water in the economizer is in a non-flowing state, and the water in the economizer is easily vaporized along with the increase of the combustion of the boiler and the increase of the flue gas temperature, so that the part of the economizer is in an overtemperature state. In order to avoid this, a pipe is connected from the concentrated water drain of the steam drum to the inlet of the economizer, and the water in the economizer is in a flowing state as a recirculation pipe to avoid vaporization.
When the existing economizer is reused, effective treatment of dust in a low-temperature area of the economizer cannot be achieved, dust in flue gas can be accumulated in the economizer, corrosion phenomenon is caused to internal elements of the economizer, leakage caused by scouring abrasion of adjacent tube rows cannot be avoided, uniformity of flue gas flow fields of other heating surfaces cannot be guaranteed, and therefore the sub-tube excision type ash deposition prevention low-temperature economizer is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, effective treatment of dust in a low-temperature area of an economizer cannot be achieved, dust in flue gas can be accumulated in the economizer, corrosion phenomenon is caused to internal elements of the economizer, leakage caused by scouring abrasion of adjacent tube rows cannot be avoided, and uniformity of flue gas flow fields of other heating surfaces cannot be guaranteed.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a sub-tube resected ash deposition prevention low-temperature economizer comprising:
the device comprises a shell, wherein the top of the shell is fixedly connected with a smoke inlet pipe, the bottom of the shell is fixedly connected with an exhaust pipe, and a driving device is arranged in the smoke inlet pipe and used for driving the whole device to work;
an atomization assembly for condensing dust in the flue gas, the atomization assembly being disposed inside the housing;
the transmission assembly is used for connecting the driving device and the atomization assembly, and the end part of the transmission assembly is connected with the inner side wall of the shell through a bearing;
the dust removing mechanism is used for filtering dust in the smoke, the dust removing mechanism is arranged in the exhaust pipe, and the top of the dust removing mechanism is fixedly connected with the bottom of the atomizing assembly.
Preferably, the driving device comprises a driving fan, a rotating shaft and a bearing rod; the top of the driving fan is fixedly connected with the bottom of the rotating shaft, the top of the rotating shaft is connected with the end part of the bearing rod through a bearing, and the end part of the bearing rod is fixedly connected with the inner side wall of the smoke inlet pipe.
Preferably, the transmission assembly comprises a first belt, a rotating rod and a second belt; the inside wall of first belt with the lateral wall of bull stick is laminated mutually, the lateral wall of bull stick with the inside wall of second belt is laminated mutually, the tip of bull stick with the inside wall of casing is connected through the bearing.
Preferably, the atomization assembly comprises a rotating shaft, an atomization fan, a water inlet pipe, a runner pipe, an upper spray hole and a lower spray hole; the outer side wall of axis of rotation with the inside wall of casing is connected through the bearing, atomizing fan's bottom with the top fixed connection of axis of rotation, the inlet tube runs through the lateral wall of casing and extends to the inside wall of runner pipe, the runner pipe just is to atomizing fan's top setting, go up the orifice and set up the top of runner pipe, the bottom of runner pipe is seted up to the orifice down.
Preferably, the ash cleaning mechanism comprises an ash cleaning disc, a diversion trench and a through hole; the outer side wall of the ash removal disc is attached to the inner side wall of the exhaust pipe, the diversion trench array is arranged at the top of the ash removal disc, the through hole array is arranged at the bottom of the ash removal disc, and the through holes are opposite to the diversion trenches.
Preferably, the lateral wall fixedly connected with intake chamber of casing, the lateral wall fixedly connected with play water chamber of casing, the lateral wall fixedly connected with heat exchange tube of intake chamber, the tip of heat exchange tube with the lateral wall fixedly connected with of play water chamber, the bottom of heat exchange tube is provided with the abrasionproof false pipe, the tip of abrasionproof false pipe with the inside wall fixedly connected with of casing, the inside wall fixedly connected with of casing goes up the guide plate, the inside wall fixedly connected with of casing goes down the guide plate, the lateral wall fixedly connected with ash accumulation case of blast pipe.
Preferably, the outer side wall of the rotating shaft is attached to the inner side wall of the first belt, and the inner side wall of the second belt is attached to the outer side wall of the rotating shaft.
Preferably, the bottom of the rotating shaft is fixedly connected with the top of the ash removal disc, the end part of the ash removal disc is opposite to the top of the inner side wall of the ash accumulation box, and the water inlet pipe penetrates through the side wall of the lower guide plate and extends to the inner side wall of the runner pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. when the anti-abrasion type coal economizer is used, smoke enters the smoke through the smoke inlet pipe, the driving fan is driven to rotate through the flow of the smoke, the rotating shaft is driven to rotate through the transmission component, the smoke enters the position of the atomization fan through the anti-abrasion type coal economizer after passing through the heat exchange pipe, leakage caused by scouring and abrasion of adjacent pipe rows is avoided due to the arrangement of the anti-abrasion type coal economizer, the smoke flow field of other heating surfaces is guaranteed to be uniform, the atomization fan is driven to rotate through the rotation of the rotating shaft, water sprayed out through the lower spray hole formed in the flow pipe is atomized through the rotation of the atomization fan, the contact area of the water and dust is increased, dust in the smoke can be better gathered together, dust is prevented from accumulating at the bottom of the anti-abrasion type coal economizer, the service life of the coal economizer is prolonged, resources are saved, and the use of people is facilitated.
2. According to the invention, the ash removal disc is driven to rotate through the rotation of the rotating shaft, and the dust and water in the smoke are mutually gathered due to the arrangement of the atomizing fan, so that the primary essence of the smoke is realized, the smoke after the essence flows to the exhaust pipe and is filtered through the ash removal disc, and large dust particles enter the ash accumulation box through the diversion trench under the centrifugal action of the ash removal disc, so that the smoke is filtered, the influence of the large dust particles in the smoke on the subsequent treatment of the smoke is prevented, the burden of staff is lightened, and the normal operation of a unit is ensured.
3. When the dry flue gas is treated, the ash removing mechanism and the ash accumulating box are disassembled firstly, so that the flue gas is sprayed out through the upper spray hole and the lower spray hole formed in the runner pipe after being subjected to cold cutting, and when the flue gas enters, the driving device is driven to work, and then the atomizing assembly is driven to work through the transmission assembly, so that the atomizing fan in the atomizing assembly atomizes water sprayed out through the upper spray hole and the lower spray hole formed in the runner pipe, the dry flue gas is effectively humidified, the work of a subsequent unit is facilitated, and resources are effectively saved.
Drawings
FIG. 1 is a schematic diagram of a front perspective view of a hypotube resected type ash deposition preventing low-temperature economizer according to the present invention;
FIG. 2 is a schematic diagram of a front cross-sectional perspective structure of a hypotube resected type ash deposition preventing low-temperature economizer according to the present invention;
FIG. 3 is a schematic view of a top cross-sectional perspective structure of a sub-tube cut-away type ash accumulation prevention low-temperature economizer according to the present invention;
FIG. 4 is a schematic side sectional perspective view of a hypotube resected ash accumulation preventing low-temperature economizer according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of the sub-tube cut type ash accumulation preventing low-temperature economizer shown in FIG. 2A;
FIG. 6 is an enlarged schematic view of the structure of the sub-pipe cutting type ash accumulation preventing low-temperature economizer shown in FIG. 3;
fig. 7 is an enlarged schematic view of the structure of the low-temperature economizer with the sub-pipe cutting type ash deposit prevention function in fig. 4.
In the figure: 1 a shell, 2 a water inlet chamber, 3 a water outlet chamber, 4 a heat exchange tube, 5 an anti-abrasion false tube, 6 a smoke inlet tube, 7 a driving device, 71 a driving fan, 72 a rotating shaft, 73 a bearing rod, 8 a transmission component, 81 a first belt, 82 a rotating rod, 83 a second belt, 9 an exhaust tube, 10 an atomization component, 101 a rotating shaft, 102 an atomization fan, 103 a water inlet tube, 104 a runner tube, 105 an upper spray hole, 106 a lower spray hole, 11 a dust removing mechanism, 111 a dust removing disc, 112 a guide groove, 113 through holes, 12 a dust accumulation box, 13 an upper guide plate and 14 a lower guide plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, a sub-tube resected ash deposition prevention low-temperature economizer comprising:
the device comprises a shell 1, wherein a smoke inlet pipe 6 is fixedly connected to the top of the shell 1, an exhaust pipe 9 is fixedly connected to the bottom of the shell 1, a driving device 7 is arranged in the smoke inlet pipe 6, and the driving device 7 is used for driving the whole device to work;
an atomization assembly 10, wherein the atomization assembly 10 is used for condensing dust in the flue gas, and the atomization assembly 10 is arranged inside the shell 1;
the transmission assembly 8 is used for connecting the driving device 7 and the atomization assembly 10, and the end part of the transmission assembly 8 is connected with the inner side wall of the shell 1 through a bearing;
the ash removing mechanism 11 is used for filtering dust in the flue gas, the ash removing mechanism 11 is arranged in the exhaust pipe 9, and the top of the ash removing mechanism 11 is fixedly connected with the bottom of the atomization assembly 10;
through the arrangement of the structure, the dust in the flue gas is effectively filtered, the dust accumulation in the low-temperature area of the economizer is prevented, the economizer is protected to a certain extent, and the service life of the economizer is prolonged.
Wherein the driving device 7 comprises a driving fan 71, a rotating shaft 72 and a bearing rod 73; the top of the driving fan 71 is fixedly connected with the bottom of the rotating shaft 72, the top of the rotating shaft 72 is connected with the end part of the bearing rod 73 through a bearing, and the end part of the bearing rod 73 is fixedly connected with the inner side wall of the smoke inlet pipe 6;
through the arrangement of the structure, the effective utilization of the ventilation of the flue gas flow is realized, the resources are saved, and the energy loss is reduced.
Wherein the transmission assembly 8 comprises a first belt 81, a rotating rod 82 and a second belt 83; the inner side wall of the first belt 81 is attached to the outer side wall of the rotating rod 82, the outer side wall of the rotating rod 82 is attached to the inner side wall of the second belt 83, and the end part of the rotating rod 82 is connected with the inner side wall of the shell 1 through a bearing;
through the arrangement of the structure, the driving device 7 can drive the whole device to work, and the stable operation of the whole device is ensured.
Wherein, the atomizing assembly 10 comprises a rotating shaft 101, an atomizing fan 102, a water inlet pipe 103, a runner pipe 104, an upper spray hole 105 and a lower spray hole 106; the outer side wall of the rotating shaft 101 is connected with the inner side wall of the shell 1 through a bearing, the bottom of the atomizing fan 102 is fixedly connected with the top of the rotating shaft 101, the water inlet pipe 103 penetrates through the side wall of the shell 1 and extends to the inner side wall of the runner pipe 104, the runner pipe 104 is arranged opposite to the top of the atomizing fan 102, the upper spray hole 105 is formed in the top of the runner pipe 104, and the lower spray hole 106 is formed in the bottom of the runner pipe 104;
through the arrangement of the structure, not only is the dust in the flue gas effectively gathered, but also the dry flue gas is effectively humidified, and the application range of the device is enlarged.
The ash cleaning mechanism 11 comprises an ash cleaning disc 111, a diversion trench 112 and a through hole 113; the outer side wall of the ash cleaning disc 111 is attached to the inner side wall of the exhaust pipe 9, the diversion trenches 112 are arranged on the top of the ash cleaning disc 111 in an array manner, the through holes 113 are arranged on the bottom of the ash cleaning disc 111 in an array manner, and the through holes 113 are arranged opposite to the diversion trenches 112;
through the arrangement of the structure, the dust collecting device realizes effective treatment on collected dust and prevents the collected dust from flowing into the next-stage unit to influence the operation of the unit.
The side wall of the shell 1 is fixedly connected with a water inlet chamber 2, the side wall of the shell 1 is fixedly connected with a water outlet chamber 3, the side wall of the water inlet chamber 2 is fixedly connected with a heat exchange tube 4, the end part of the heat exchange tube 4 is fixedly connected with the side wall of the water outlet chamber 3, the bottom of the heat exchange tube 4 is provided with an anti-abrasion false tube 5, the end part of the anti-abrasion false tube 5 is fixedly connected with the inner side wall of the shell 1, the inner side wall of the shell 1 is fixedly connected with an upper guide plate 13, the inner side wall of the shell 1 is fixedly connected with a lower guide plate 14, and the outer side wall of the exhaust pipe 9 is fixedly connected with an ash accumulation box 12;
through the arrangement of the structure, the flue gas is effectively cooled, leakage caused by scouring abrasion of adjacent tube rows is avoided through the arrangement of the anti-abrasion false tubes 5, and the flue gas flow field uniformity of other heating surfaces is ensured.
Wherein, the outer side wall of the rotating shaft 72 is attached to the inner side wall of the first belt 81, and the inner side wall of the second belt 83 is attached to the outer side wall of the rotating shaft 101.
The bottom of the rotating shaft 101 is fixedly connected with the top of the ash removing disc 111, the end of the ash removing disc 111 is opposite to the top of the inner side wall of the ash accumulating box 12, and the water inlet pipe 103 penetrates through the side wall of the lower guide plate 14 and extends to the inner side wall of the runner pipe 104.
When the anti-abrasion device is used, water starts to be added through the water inlet chamber 2, so that cooling water fills the whole heat exchange tube 4, and can flow out through the water outlet chamber 3, then, smoke starts to enter through the water inlet pipe 6, the smoke flows to drive the driving fan 71 to rotate so as to drive the rotating shaft 72 to rotate, the rotating shaft 72 rotates to drive the rotating shaft 101 to rotate through the transmission component 8, the smoke enters the position of the atomizing fan 102 through the anti-abrasion false tube 5 after passing through the heat exchange tube 4, due to the arrangement of the anti-abrasion false tube 5, leakage caused by scouring abrasion of adjacent tube rows is avoided, the smoke flow field of other heating surfaces is ensured to be uniform, the rotation of the rotating shaft 101 drives the atomizing fan 102, the rotation of the atomizing fan 102 atomizes water sprayed out through the lower spray hole 106 formed by the flow tube 104, the contact area of the water and dust is enlarged, dust in the smoke can be better gathered together, and dust is prevented from accumulating at the bottom of the anti-abrasion false tube 5;
the rotation of the rotating shaft 101 also drives the ash removal disc 111 to rotate, and dust and water in the smoke are gathered due to the arrangement of the atomizing fan 102, so that preliminary essence of the smoke is realized, the smoke after the essence flows to the exhaust pipe 9 and is filtered by the ash removal disc 111, and large dust particles enter the ash accumulation box 12 through the guide groove 112 under the centrifugal action of the ash removal disc 111, so that the smoke is filtered;
when dry flue gas is processed, the ash removal mechanism 11 and the ash accumulation box 12 are disassembled firstly, so that the flue gas is sprayed out through the upper spray hole 105 and the lower spray hole 106 formed in the flow pipe 104 after cold cutting, when the flue gas enters, the driving device 7 is driven to work, and then the atomizing assembly 10 is driven to work through the transmission assembly 8, so that the atomizing fan 102 in the atomizing assembly 10 atomizes water sprayed out through the upper spray hole 105 and the lower spray hole 106 formed in the flow pipe 104, the effective humidification of the dry flue gas is realized, the operation is simple, convenient and quick, the intelligent degree is high, the application range is wide, and the popularization is realized.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a low-temperature economizer of deposition is prevented to seed tube excision formula which characterized in that includes:
the device comprises a shell (1), wherein the top of the shell (1) is fixedly connected with a smoke inlet pipe (6), the bottom of the shell (1) is fixedly connected with an exhaust pipe (9), a driving device (7) is arranged in the smoke inlet pipe (6), and the driving device (7) is used for driving the whole device to work;
-an atomizing assembly (10), the atomizing assembly (10) being for agglomerating dust in the flue gas, the atomizing assembly (10) being arranged inside the housing (1);
the transmission assembly (8) is used for connecting the driving device (7) and the atomization assembly (10), and the end part of the transmission assembly (8) is connected with the inner side wall of the shell (1) through a bearing;
the dust removing mechanism (11) is used for filtering dust in the flue gas, the dust removing mechanism (11) is arranged in the exhaust pipe (9), and the top of the dust removing mechanism (11) is fixedly connected with the bottom of the atomization assembly (10);
the atomizing assembly (10) comprises a rotating shaft (101), an atomizing fan (102), a water inlet pipe (103), a flow pipe (104), an upper spray hole (105) and a lower spray hole (106); the outer side wall of the rotating shaft (101) is connected with the inner side wall of the shell (1) through a bearing, the bottom of the atomizing fan (102) is fixedly connected with the top of the rotating shaft (101), the water inlet pipe (103) penetrates through the side wall of the shell (1) and extends to the inner side wall of the flow pipe (104), the flow pipe (104) is opposite to the top of the atomizing fan (102), the upper spray hole (105) is formed in the top of the flow pipe (104), and the lower spray hole (106) is formed in the bottom of the flow pipe (104);
the ash cleaning mechanism (11) comprises an ash cleaning disc (111), a diversion trench (112) and a through hole (113); the outer side wall of the ash removal disc (111) is attached to the inner side wall of the exhaust pipe (9), the guide grooves (112) are formed in the top of the ash removal disc (111) in an array mode, the through holes (113) are formed in the bottom of the ash removal disc (111) in an array mode, and the through holes (113) are right opposite to the guide grooves (112);
the driving device (7) comprises a driving fan (71), a rotating shaft (72) and a bearing rod (73); the top of the driving fan (71) is fixedly connected with the bottom of the rotating shaft (72), the top of the rotating shaft (72) is connected with the end part of the bearing rod (73) through a bearing, and the end part of the bearing rod (73) is fixedly connected with the inner side wall of the smoke inlet pipe (6);
the transmission assembly (8) comprises a first belt (81), a rotating rod (82) and a second belt (83); the inner side wall of the first belt (81) is attached to the outer side wall of the rotating rod (82), the outer side wall of the rotating rod (82) is attached to the inner side wall of the second belt (83), and the end part of the rotating rod (82) is connected with the inner side wall of the shell (1) through a bearing;
the anti-abrasion type dust collector is characterized in that the side wall of the shell (1) is fixedly connected with the water inlet chamber (2), the side wall of the shell (1) is fixedly connected with the water outlet chamber (3), the side wall of the water inlet chamber (2) is fixedly connected with the heat exchange tube (4), the end part of the heat exchange tube (4) is fixedly connected with the side wall of the water outlet chamber (3), the bottom of the heat exchange tube (4) is provided with the anti-abrasion type dust collector (5), the end part of the anti-abrasion type dust collector (5) is fixedly connected with the inner side wall of the shell (1), the inner side wall of the shell (1) is fixedly connected with the upper guide plate (13), the inner side wall of the shell (1) is fixedly connected with the lower guide plate (14), and the outer side wall of the exhaust tube (9) is fixedly connected with the dust collecting box (12).
2. The sub-pipe excision type ash deposition preventing low-temperature economizer according to claim 1, wherein an outer side wall of the rotating shaft (72) is attached to an inner side wall of the first belt (81), and an inner side wall of the second belt (83) is attached to an outer side wall of the rotating shaft (101).
3. The sub-pipe excision type ash deposition preventing low-temperature economizer according to claim 1, wherein the bottom of the rotating shaft (101) is fixedly connected with the top of the ash cleaning disc (111), the end part of the ash cleaning disc (111) is opposite to the top of the inner side wall of the ash deposition box (12), and the water inlet pipe (103) penetrates through the side wall of the lower guide plate (14) and extends to the inner side wall of the flow pipe (104).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110899692.8A CN113654032B (en) | 2021-08-06 | 2021-08-06 | Soot deposit low-temperature economizer is prevented to sub-pipe excision formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110899692.8A CN113654032B (en) | 2021-08-06 | 2021-08-06 | Soot deposit low-temperature economizer is prevented to sub-pipe excision formula |
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| CN113654032A CN113654032A (en) | 2021-11-16 |
| CN113654032B true CN113654032B (en) | 2023-07-14 |
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