CN113654032A - Low-temperature economizer with function of preventing ash deposition and with cut-off sub-pipe - Google Patents
Low-temperature economizer with function of preventing ash deposition and with cut-off sub-pipe Download PDFInfo
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- CN113654032A CN113654032A CN202110899692.8A CN202110899692A CN113654032A CN 113654032 A CN113654032 A CN 113654032A CN 202110899692 A CN202110899692 A CN 202110899692A CN 113654032 A CN113654032 A CN 113654032A
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- pipe
- side wall
- fixedly connected
- rotating shaft
- shell
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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 prevention low-temperature economizer, which relates to the field of economizers and comprises a shell; when the invention is used, the smoke inlet pipe starts to enter smoke, the flow of the smoke drives the driving fan to rotate, thereby driving the rotating shaft to rotate, the rotating shaft is driven to rotate by the rotating of the rotating shaft through the transmission component, the flue gas enters the position of the atomizing fan through the anti-abrasion false pipe after passing through the heat exchange pipe, because of the arrangement of the anti-abrasion false pipe, the leakage caused by the scouring and abrasion of the adjacent pipe rows is avoided, the flue gas flow field of other heating surfaces is ensured to be uniform, the rotation of the rotating shaft drives the atomizing fan to rotate, so that the rotation of the atomizing fan atomizes the water sprayed out through the lower spray hole arranged on the circulating pipe, the contact area of water and dust is enlarged, the dust in the flue gas can be better gathered together, the dust is prevented from being accumulated at the bottom of the anti-abrasion false pipe, the corrosion to the elements of the economizer is caused, 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 coal economizers, in particular to a sub-pipe cutting type ash deposition prevention low-temperature coal economizer.
Background
The boiler economizer is a heating surface for heating boiler feed water into saturated water under the pressure of a steam drum in a flue at the tail part of a boiler, and absorbs relatively low-temperature flue gas, so that the exhaust gas temperature of the flue gas is reduced, the energy is saved, and the efficiency is improved, so that the boiler economizer is called. A regenerative process is added to the cycle. The endothermic average temperature is increased. Thereby increasing the cycle efficiency; in the starting process of a boiler (a steam drum boiler), because the circulation of a steam-water pipeline is not established, namely, the boiler feed water is in a stagnation state, the water in the economizer is in a non-flowing state at the moment, the water in the economizer is easily vaporized along with the enhancement of the combustion of the boiler and the increase of the temperature of flue gas, so that the local part of the economizer is in an over-temperature state. In order to avoid the situation, a pipeline is connected from the centralized sewer pipe of the steam drum to the inlet of the economizer to be used as a recycling pipeline, so that the water in the economizer is in a flowing state, and the water is prevented from being vaporized.
When the existing economizer is reused, the dust in the low-temperature area of the economizer cannot be effectively treated, so that the dust in the flue gas is accumulated in the economizer, the corrosion phenomenon is caused to the internal elements of the economizer, the leakage caused by scouring and abrasion of adjacent tube rows cannot be avoided, and the uniformity of the flue gas flow field of other heating surfaces cannot be ensured.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, dust in a low-temperature area of an economizer cannot be effectively treated, the dust in flue gas is accumulated in the economizer, the corrosion phenomenon of internal elements of the economizer is caused, the leakage caused by scouring and abrasion of adjacent tube rows cannot be avoided, and the uniformity of flue gas flow fields of other heating surfaces cannot be ensured.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sub-pipe cut-off type ash deposition prevention low-temperature economizer comprising:
the smoke inlet pipe is fixedly connected to the top of the shell, the exhaust pipe is fixedly connected to the bottom of the shell, and a driving device is arranged inside the smoke inlet pipe and used for driving the whole device to work;
the atomization assembly is used for agglomerating dust in the smoke, and is arranged inside the shell;
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 cleaning mechanism is used for filtering dust in smoke, the dust cleaning mechanism is arranged in the exhaust pipe, and the top of the dust cleaning mechanism is fixedly connected with the bottom of the atomization component.
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 outside wall of bull stick is laminated mutually, the outside 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 circulating pipe, an upper spray hole and a lower spray hole; the lateral 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 right atomizing fan's top sets up, it sets up to go up the orifice the top of runner pipe, the orifice sets up the bottom at the runner pipe down.
Preferably, the ash removing mechanism comprises an ash removing disc, a guide groove and a through hole; the lateral wall of deashing dish with the inboard wall of blast pipe is laminated mutually, the guiding gutter array is seted up the top of deashing dish, the through-hole array is seted up the bottom of deashing dish, the through-hole is just seted up the guiding gutter.
Preferably, the lateral wall fixedly connected with intake chamber of casing, the lateral wall fixedly connected with of casing goes out the hydroecium, the lateral wall fixedly connected with heat exchange tube of intake chamber, the tip of heat exchange tube with the lateral wall fixed connection who goes out the hydroecium, the bottom of heat exchange tube is provided with the abrasionproof false pipe, the tip of abrasionproof false pipe with the inside wall fixed connection of casing, the inside wall fixedly connected with of casing goes up the guide plate, the inside wall fixedly connected with of casing is guide plate down, the outside wall fixedly connected with deposition 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 removing disc, the end part of the ash removing disc is opposite to the top of the inner side wall of the ash deposition 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 circulating pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. when the invention is used, the smoke enters through the smoke inlet pipe, the fan is driven to rotate through the flow of the smoke, the rotating shaft is further driven to rotate, the rotating shaft is driven to rotate through the transmission assembly, the smoke enters the position of the atomizing fan through the anti-abrasion false pipe after passing through the heat exchange pipe, the 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 heated surfaces is ensured to be uniform, the atomizing fan is driven to rotate through the rotation of the rotating shaft, the water sprayed out through the lower spray hole arranged on the circulating pipe is atomized through the rotation of the atomizing fan, the contact area between the water and the 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 elements of the coal economizer are corroded, the service life of the coal economizer is prolonged, and the resources are saved, is convenient for people to use.
2. According to the invention, the rotation of the ash removing disc is driven by the rotation of the rotating shaft, and due to the arrangement of the atomizing fan, dust in the flue gas and water are mutually gathered, so that preliminary essence of the flue gas is realized, the flue gas after essence flows to the exhaust pipe and is filtered by the ash removing disc, large dust particles enter the ash deposition box through the guide groove under the centrifugal action of the ash removing disc, the filtration treatment of the flue gas is realized, the influence of the large dust particles in the flue gas on the subsequent treatment of the flue gas is prevented, the burden of workers is reduced, and the normal operation of a unit is ensured.
3. When the dry flue gas is treated, the ash cleaning mechanism and the ash deposition box are firstly detached, so that the flue gas is sprayed out through the upper spray hole and the lower spray hole which are formed in the circulating pipe after cold cutting, when the flue gas enters, the driving device is driven to work, and then the atomization assembly is driven to work through the transmission assembly, so that the atomization fan in the atomization assembly atomizes water sprayed out through the upper spray hole and the lower spray hole which are formed in the circulating pipe, the dry flue gas is effectively humidified, the subsequent unit is convenient to work, and resources are effectively saved.
Drawings
FIG. 1 is a schematic front perspective view of a sub-pipe cut-off type ash deposition prevention low-temperature economizer according to the present invention;
FIG. 2 is a schematic front sectional view of a sub-pipe cut-away type ash deposition prevention low-temperature coal economizer according to the present invention;
FIG. 3 is a schematic top sectional perspective view of a sub-pipe cut-away type ash deposition prevention low-temperature economizer according to the present invention;
FIG. 4 is a schematic side sectional view of a sub-pipe cut-off type ash deposition prevention low-temperature economizer according to the present invention;
FIG. 5 is an enlarged schematic structural view of a portion A in FIG. 2 of a sub-pipe cut-away type ash deposition prevention low-temperature economizer according to the present invention;
FIG. 6 is an enlarged schematic structural diagram of a sub-pipe cut-away type ash deposition prevention low-temperature economizer according to the present invention shown at B in FIG. 3;
fig. 7 is an enlarged structural diagram of a sub-pipe cut-off type ash deposition prevention low-temperature economizer according to the present invention, shown at C in fig. 4.
In the figure: the device comprises a shell 1, a water inlet chamber 2, a water outlet chamber 3, a heat exchange tube 4, an anti-wear false tube 5, a smoke inlet tube 6, a driving device 7, a driving fan 71, a rotating shaft 72, a bearing rod 73, a transmission assembly 8, a first belt 81, a rotating rod 82, a second belt 83, an exhaust tube 9, an atomization assembly 10, a rotating shaft 101, an atomization fan 102, a water inlet tube 103, a circulating tube 104, an upper spray hole 105, a lower spray hole 106, an ash cleaning mechanism 11, an ash cleaning disc 111, a flow guide groove 112, a through hole 113, an ash deposition box 12, an upper flow guide plate 13 and a lower flow guide plate 14.
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 to 7, a sub-pipe cut type ash deposition prevention low temperature economizer 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, the interior of the smoke inlet pipe 6 is provided with a driving device 7, and the driving device 7 is used for driving the whole device to work;
the atomization assembly 10 is used for agglomerating 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 dust cleaning mechanism 11 is used for filtering dust in the flue gas, the dust cleaning mechanism 11 is arranged in the exhaust pipe 9, and the top of the dust cleaning mechanism 11 is fixedly connected with the bottom of the atomizing component 10;
through the arrangement of the structure, the dust in the flue gas is effectively filtered, the accumulation of the dust 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 smoke gas circulation force 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 atomization assembly 10 comprises a rotating shaft 101, an atomization fan 102, a water inlet pipe 103, a circulating 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 circulating pipe 104, the circulating 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 circulating pipe 104, and the lower spray hole 106 is formed in the bottom of the circulating pipe 104;
through the arrangement of the structure, not only is the effective collection of dust in the flue gas realized, but also the effective humidification of the dry flue gas is realized, and the application range of the device is enlarged.
Wherein, the ash removing mechanism 11 comprises an ash removing disc 111, a diversion trench 112 and a through hole 113; the outer side wall of the ash removing disc 111 is attached to the inner side wall of the exhaust pipe 9, the guide grooves 112 are arranged at the top of the ash removing disc 111 in an array mode, the through holes 113 are arranged at the bottom of the ash removing disc 111 in an array mode, and the through holes 113 are opposite to the guide grooves 112;
through the arrangement of the structure, the dust collected is effectively treated, and the collected dust is prevented 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 deposition box 12;
through the arrangement of the structure, the flue gas is effectively cooled, and through the arrangement of the anti-abrasion false pipe 5, the leakage caused by the erosion abrasion of the adjacent pipe rows is avoided, and the flue gas flow field uniformity of other heating surfaces is ensured.
The outer sidewall of the rotating shaft 72 is attached to the inner sidewall of the first belt 81, and the inner sidewall of the second belt 83 is attached to the outer sidewall of the rotating shaft 101.
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 arranged right 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 circulating pipe 104.
When the invention is used, firstly, water is added through the water inlet chamber 2, so that cooling water is filled in the whole heat exchange tube 4 and can flow out through the water outlet chamber 3, then, smoke gas enters through the smoke inlet tube 6, the flow of the smoke gas drives the driving fan 71 to rotate, and further drives the rotating shaft 72 to rotate, the rotating shaft 72 rotates through the transmission assembly 8 to drive the rotating shaft 101 to rotate, the smoke gas enters the position of the atomizing fan 102 through the heat exchange tube 4 and the anti-abrasion false tube 5, the leakage caused by the scouring abrasion of adjacent tube rows is avoided due to the arrangement of the anti-abrasion false tube 5, the smoke gas flow field on other heating surfaces is ensured to be uniform, the rotation of the atomizing fan 102 drives the atomizing fan 102 to rotate through the rotation of the rotating shaft 101, so that the contact area between the water and dust is enlarged, dust in the flue gas can be better gathered together, and the dust is prevented from being accumulated at the bottom of the anti-abrasion false pipe 5;
the rotation of the rotating shaft 101 can also drive the ash tray 111 to rotate, due to the arrangement of the atomizing fan 102, dust in the flue gas and water are mutually gathered, so that preliminary essence of the flue gas is realized, the flue gas after essence flows to the exhaust pipe 9 and is filtered by the ash tray 111, large dust particles enter the ash accumulation box 12 through the guide groove 112 under the centrifugal action of the ash tray 111, and the filtration treatment of the flue gas is realized;
when handling dry flue gas, at first tear deashing mechanism 11 and deposition case 12 down, make the flue gas spout through last orifice 105 and lower orifice 106 that runner pipe 104 was seted up after cold cutting, when the flue gas gets into, drive arrangement 7 and work, and then drive atomization component 10 through drive assembly 8 and carry out work, make atomizing fan 102 in the atomization component 10 atomize through last orifice 105 and lower orifice 106 spun water that runner pipe 104 was seted up, the realization is to the effective humidification of dry flue gas, and is easy and fast to handle, intelligent degree is high, and application scope is wide, put to promote.
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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 implicitly indicating 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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a soot deposition low temperature economizer is prevented to sub-pipe excision 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 inside 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 agglomerating dust in smoke, and the atomization assembly (10) is arranged inside the shell (1);
the transmission assembly (8), 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 cleaning mechanism (11), the dust cleaning mechanism (11) is used for carrying out filtration treatment on dust in the flue gas, the dust cleaning mechanism (11) is arranged in the exhaust pipe (9), and the top of the dust cleaning mechanism (11) is fixedly connected with the bottom of the atomization component (10).
2. The sub-pipe cut-off type ash deposition prevention low-temperature economizer according to claim 1, 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).
3. The sub-pipe cut-off type ash deposition prevention low-temperature economizer according to claim 1, wherein the transmission assembly (8) comprises a first belt (81), a rotating rod (82) and a second belt (83); the inside wall of first belt (81) with the outside wall of bull stick (82) is laminated mutually, the outside wall of bull stick (82) with the inside wall of second belt (83) is laminated mutually, the tip of bull stick (82) with the inside wall of casing (1) is connected through the bearing.
4. The sub-pipe cut-off type ash deposition prevention low-temperature economizer according to claim 1, wherein the atomizing assembly (10) comprises a rotating shaft (101), an atomizing fan (102), a water inlet pipe (103), a flow pipe (104), an upper nozzle hole (105) and a lower nozzle hole (106); the outer side wall of rotating shaft (101) with the inside wall of casing (1) is connected through the bearing, the bottom of atomizing fan (102) with the top fixed connection of rotating shaft (101), inlet tube (103) run through the lateral wall of casing (1) and extend to the inside wall of runner pipe (104), runner pipe (104) just right the top setting of atomizing fan (102), it establishes to go up orifice (105) the top of runner pipe (104), orifice (106) are seted up in the bottom of runner pipe (104) down.
5. The sub-pipe-cut type ash deposition prevention low-temperature coal economizer of claim 1 is characterized in that the ash removal mechanism (11) comprises an ash removal disc (111), a diversion trench (112) and a through hole (113); the lateral wall of deashing dish (111) with the inboard wall laminating of blast pipe (9) mutually, guiding gutter (112) array is seted up the top of deashing dish (111), through-hole (113) array is seted up the bottom of deashing dish (111), through-hole (113) are just seted up guiding gutter (112).
6. The sub-pipe cutting-off type ash deposition prevention low-temperature coal economizer according to claim 1 is characterized in that a water inlet chamber (2) is fixedly connected to the side wall of the shell (1), a water outlet chamber (3) is fixedly connected to the side wall of the shell (1), a heat exchange pipe (4) is fixedly connected to the side wall of the water inlet chamber (2), the end portion of the heat exchange pipe (4) is fixedly connected to the side wall of the water outlet chamber (3), an anti-abrasion false pipe (5) is arranged at the bottom of the heat exchange pipe (4), the end portion of the anti-abrasion false pipe (5) is fixedly connected to the inner side wall of the shell (1), an upper guide plate (13) is fixedly connected to the inner side wall of the shell (1), a lower guide plate (14) is fixedly connected to the inner side wall of the shell (1), and an ash deposition box (12) is fixedly connected to the outer side wall of the exhaust pipe (9).
7. The pipe-cut ash deposition prevention low-temperature economizer of any one of claims 2, 3 or 4, 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).
8. The sub-pipe cut-off type ash deposition prevention low-temperature coal economizer as claimed in claim 4, 5 or 6, wherein the bottom of the rotating shaft (101) is fixedly connected with the top of the ash removing disc (111), the end part of the ash removing disc (111) is arranged 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 circulating pipe (104).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN113654032A true CN113654032A (en) | 2021-11-16 |
| CN113654032B CN113654032B (en) | 2023-07-14 |
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| CN112197603A (en) * | 2020-10-23 | 2021-01-08 | 仙居云利电子科技有限公司 | Metallurgical flue gas dust arrester installation |
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