CN218820327U - Multi-piece assembled low-temperature economizer - Google Patents

Abstract

The utility model discloses a multi-disc assembled low temperature economizer relates to the supporting facility field of thermal power plant, including the machine main part, one side below of machine main part is connected with the water inlet, and one side top of machine main part is connected with the delivery port, and the top of machine main part is connected with into the mouth, and the surface of machine main part is provided with the dust exhaust subassembly, and the back of machine main part is connected with the outlet flue, and the internal connection of machine main part has the tubulation. The utility model discloses a support, first baffle, the second baffle, the cylinder, rack and gear, thereby the cylinder starts the back output drive support displacement and makes the rack remove left, thereby it is rotatory to make rack removal back drive gear because rack and gear engagement, it rotates to drive first baffle and second baffle after a plurality of gears are rotatory, a plurality of first baffles are closed after rotating and are avoided a large amount of flue gases to reveal, a plurality of second baffles make the smoke and dust fall on first baffle after rotating, need not the shutdown operation alright discharge the smoke and dust in the economizer, operation labour saving and time saving.

Description

Multi-piece assembled low-temperature economizer

Technical Field

The utility model relates to a supporting facility field of thermal power plant specifically is a multi-disc assembled low temperature economizer.

Background

The coal economizer is a device which is arranged at the lower part of a flue at the tail part of the boiler and is used for recovering waste heat of exhausted smoke, heats water fed by the boiler into a heated surface of saturated water under the pressure of a steam pocket, reduces the exhaust temperature of the smoke, saves energy and improves efficiency as the saturated water absorbs the heat of high-temperature smoke, and is called as the coal economizer.

When the existing low-temperature economizer is used, fins or rib plates are generally welded outside a pipe to improve the heat transfer effect, but the corrosion of smoke is strong, so that the surfaces of the fins are corroded seriously after the fins are used for a long time, so that the heat transfer efficiency is reduced, the fins are required to be replaced, but the fins are generally welded on the outer wall of a pipeline, so that a pipe array needs to be replaced together when the fins are replaced, the cost is high, or the fins on the pipeline are cut and polished independently, but the service life of the pipe array is easily influenced, the use is inconvenient, a large amount of smoke dust is accumulated below the inside of the economizer when the existing low-temperature economizer is used, the smoke dust is impurities in the smoke dust, and when the smoke dust is cleaned, a worker needs to close the economizer to stop working and then clean the economizer, the operation is needed, the working efficiency is influenced, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an assembled low temperature economizer of multi-disc to solve the technical problem that need shut down when being not convenient for change and clear up the smoke and dust to the fin of damage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-disc assembled low temperature economizer, includes the machine main part, one side below of machine main part is connected with the water inlet, one side top of machine main part is connected with the delivery port, the top of machine main part is connected with into mouth, the surface of machine main part is provided with the dust exhaust subassembly, the back of machine main part is connected with the outlet flue, the internal connection of machine main part has the tubulation, the surface of tubulation is provided with the dismouting subassembly.

Through adopting above-mentioned technical scheme, thereby the dust exhaust subassembly closes the back output end drive support through the cylinder and resets and make the rack move right, thereby the rack moves right back drive a plurality of gear antiport make a plurality of first baffles and second baffle antiport, it is closed in order to avoid a large amount of flue gas to reveal behind a plurality of second baffle antiport, make the smoke and dust discharge from the bottom of machine main part behind a plurality of first baffle antiport, need not to shut down the operation alright discharge the smoke and dust in the economizer, the dismouting subassembly is through aiming at the limiting plate spacing groove with the fin again in putting into the standing groove, later make the limiting plate get into the spacing groove through vertically striking the fin, later spacing with the fin through transversely striking the fin.

Furthermore, the dust exhaust assembly comprises an air cylinder arranged on the outer surface of the machine main body and a plurality of first baffles and a plurality of second baffles which are respectively arranged below the outer surface of the machine main body in a penetrating mode, the output end of the air cylinder is connected with a support, the top and the bottom of the support are both connected with racks, and the first baffles and the second baffles are in a plurality of gear-shaped structures sleeved outside.

Through adopting above-mentioned technical scheme, thereby the cylinder closes the back output drive support and resets and makes the rack move right, thereby the rack moves right a plurality of gears of back drive antiport and makes a plurality of first baffles and second baffle antiport, and a plurality of second baffles are closed in order to avoid a large amount of flue gas to reveal behind the antiport, makes the smoke and dust discharge from the bottom of machine main part behind a plurality of first baffles antiport, need not to shut down the operation alright discharge the smoke and dust in the economizer.

Further, the dismouting subassembly is including connecting in two mount pads of tubulation surface, two a plurality of standing grooves have all been seted up to the surface of mount pad, and is a plurality of the spacing groove has all been seted up at the top of standing groove, and is a plurality of the inside of standing groove all is provided with the fin, and is a plurality of the bottom of fin all is connected with two limiting plates.

By adopting the technical scheme, when a new fin is installed, the limiting plate is aligned to the limiting groove, then the fin is placed in the placing groove, then the limiting plate enters the limiting groove by longitudinally knocking the fin, and then the fin is limited by transversely knocking the fin.

Furthermore, the rack is meshed with the gear, and the first baffle and the second baffles are connected with the machine body through rotating shafts in a rotating mode.

Through adopting above-mentioned technical scheme, thereby the cylinder starts the displacement of back output drive support and makes the rack remove left, thereby because rack and gear engagement make rack removal back drive gear rotatory, drive first baffle and second baffle after a plurality of gears are rotatory and rotate, a plurality of first baffles rotate the back closure and avoid a large amount of flue gas to reveal, make the smoke and dust fall on first baffle after a plurality of second baffles rotate.

Further, the thickness of the fins is 1mm, and the gap between the two fins is 3mm.

By adopting the technical scheme, when the fins are damaged, the bolts on the mounting seat are taken down to finish the limiting of the mounting seat, then the mounting seat is slid to enable the fins to be distributed in a staggered mode, and the gaps among the fins are larger than the thickness of the fins, so that workers can take down the mounting seat conveniently.

Furthermore, the fins are connected with the mounting seats in a detachable mode through limiting grooves and limiting plates, the limiting plates are in interference fit with the limiting grooves, and the mounting seats are connected with the tubes in a detachable mode through bolts.

By adopting the technical scheme, after the mounting seat is taken down, the fins are firstly knocked transversely to enable the limiting plate to slide transversely in the limiting groove, and then the fins are knocked longitudinally to enable the limiting plate to be separated from the limiting groove, so that a worker can take down damaged fins conveniently.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a support, first baffle, the second baffle, a cylinder, rack and gear, thereby the cylinder starts the back output drive support displacement and makes the rack remove left, thereby it is rotatory to make rack removal back drive gear because rack and gear engagement, drive first baffle and second baffle after a plurality of gears are rotatory and rotate, closure avoids a large amount of flue gas to reveal after a plurality of first baffles rotate, make the smoke and dust fall on first baffle after a plurality of second baffles rotate, the cylinder closes the back output drive support and resets thereby make the rack remove right, the rack removes right after removing right and drives a plurality of gears counter-rotation thereby make a plurality of first baffles and second baffle counter-rotation, the back closure of a plurality of second baffles counter-rotation avoids a large amount of flue gas to reveal, make the smoke and dust discharge from the bottom of machine main part after a plurality of first baffles counter-rotation, need not to shut down the operation can discharge the smoke and dust in the economizer, the operation is labour saving and time saving;

2. the utility model discloses a mount pad, the standing groove, spacing groove and limiting plate, thereby through taking off the bolt completion on the mount pad spacing to the mount pad when the fin damages, later sliding mount seat makes the crisscross distribution of a plurality of fins, thereby because the thickness that the clearance between the fin is greater than the fin is convenient for the staff and takes off the mount pad, thereby take off the mount pad after the mount pad earlier transversely strike the fin and make the limiting plate lateral sliding in the spacing groove, thereby later make the limiting plate break away from the fin that the staff of being convenient for will damage from the spacing groove through vertically striking the fin, aim at the limiting plate when installing new fin and put into the standing groove with the fin again in the spacing groove, later make the limiting plate get into the spacing groove through vertically striking the fin, later spacing with the fin through transversely striking, the convenience is changed the fin that damages.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of a side-sectional structure of the tube array of the present invention;

fig. 4 is a schematic view of the fin structure of the present invention;

fig. 5 is an enlarged view of the structure at a in fig. 1 according to the present invention;

fig. 6 is an enlarged view of the structure at B in fig. 2 according to the present invention;

fig. 7 is an enlarged view of the structure at C in fig. 2 according to the present invention.

In the figure: 1. a machine main body; 2. a water inlet; 3. a water outlet; 4. a smoke inlet; 5. a dust exhaust assembly; 501. a support; 502. a first baffle plate; 503. a second baffle; 504. a cylinder; 505. a rack; 506. a gear; 6. arranging pipes; 7. disassembling and assembling the components; 701. a mounting base; 702. a fin; 703. a placement groove; 704. a limiting groove; 705. a limiting plate; 8. a smoke outlet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

The utility model provides a multi-disc assembled low temperature economizer, as shown in fig. 1, 2, 3, 5 and 7, including machine main part 1, one side below of machine main part 1 is connected with water inlet 2, one side top of machine main part 1 is connected with delivery port 3, the top of machine main part 1 is connected with into smoke mouth 4, the surface of machine main part 1 is provided with dust exhaust subassembly 5, need not shut down the operation alright discharge the smoke and dust in the economizer, operation labour saving and time saving, the back of machine main part 1 is connected with out smoke mouth 8, the internal connection of machine main part 1 has tubulation 6, the surface of tubulation 6 is provided with dismouting subassembly 7, the convenience is changed damaged fin 702.

Referring to fig. 1, 2, 5 and 6, the dust exhaust assembly 5 includes a cylinder 504 installed on the outer surface of the machine body 1, and a plurality of first baffles 502 and second baffles 503 respectively penetrating through the outer surface of the machine body 1, an output end of the cylinder 504 is connected with a support 501, top and bottom of the support 501 are connected with racks 505, gears 506 are respectively sleeved outside the plurality of first baffles 502 and the plurality of second baffles 503, the racks 505 are engaged with the gears 506, and the plurality of first baffles 502 and the plurality of second baffles 503 are rotatably connected with the machine body 1 through rotating shafts, so that the smoke dust in the economizer can be exhausted without shutdown operation, and the operation is time-saving and labor-saving.

Referring to fig. 2, 3, 4 and 7, the dismounting assembly 7 includes two mounting bases 701 connected to the outer surface of the tube nest 6, a plurality of placing grooves 703 are respectively opened on the outer surface of the two mounting bases 701, limiting grooves 704 are respectively opened on the tops of the placing grooves 703, fins 702 are respectively arranged inside the placing grooves 703, two limiting plates 705 are respectively connected to the bottoms of the fins 702, the thickness of the fins 702 is 1mm, the gap between the two fins 702 is 3mm, the fins 702 are detachably connected with the mounting bases 701 through the limiting grooves 704 and the limiting plates 705, the limiting plates 705 are in interference fit with the limiting grooves 704, the two mounting bases 701 are detachably connected with the tube nest 6 through bolts, and the damaged fins 702 are conveniently replaced.

The implementation principle of the embodiment is as follows: firstly, when the fins 702 are damaged, a worker takes down the bolts on the mounting seat 701 to finish the limiting of the mounting seat 701, then the mounting seat 701 is slid to enable the plurality of fins 702 to be distributed in a staggered mode, the gap between the fins 702 is larger than the thickness of the fins 702, so that the worker can separate and take down the two mounting seats 701 conveniently, after the mounting seat 701 is taken down, the worker firstly strikes the fins 702 transversely to enable the limiting plate 705 to slide transversely in the limiting groove 704, then the worker strikes the fins 702 longitudinally to enable the limiting plate 705 to be separated from the limiting groove 704, so that the worker can take down the damaged fins 702 conveniently, when a new fin 702 is mounted, the worker aligns the limiting plate 705 with the limiting groove 704 and then places the fins 702 in the placing groove 703, then the worker strikes the fins 702 longitudinally to enable the limiting plate 705 to enter the limiting groove 704, then strikes the fins 702 transversely to limit the fins 702, in the daily use of the economizer, when smoke dust is accumulated in a large amount, a worker opens the air cylinder 504, the output end of the air cylinder 504 drives the support 501 to move so as to enable the rack 505 to move leftwards, the rack 505 moves due to the meshing of the rack 505 and the gear 506, the drive gear 506 rotates, the gears 506 rotate to drive the first baffle plate 502 and the second baffle plate 503 to rotate, the first baffle plates 502 close to avoid leakage of the smoke dust after rotating, the second baffle plates 503 drop the smoke dust on the first baffle plate 502 after rotating, then the worker closes the air cylinder 504, the output end of the air cylinder 504 resets the support 501 after closing so as to enable the rack 505 to move rightwards, the rack 505 moves rightwards to drive the gears 506 to rotate reversely so as to enable the first baffle plates 502 and the second baffle plates 503 to rotate reversely, and the second baffle plates 503 close to avoid leakage of the smoke dust after rotating reversely, the plurality of first baffle plates 502 are rotated in the reverse direction to discharge the soot from the bottom of the machine body 1, thereby discharging the soot in the economizer without a stop operation.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims (6)

1. A multi-piece assembled low-temperature economizer comprises a machine main body (1), and is characterized in that: the utility model discloses a machine for the cigarette making machine, including machine main part (1), one side below of machine main part (1) is connected with water inlet (2), one side top of machine main part (1) is connected with delivery port (3), the top of machine main part (1) is connected with into mouth (4), the surface of machine main part (1) is provided with dust exhaust subassembly (5), the back of machine main part (1) is connected with outlet flue (8), the internal connection of machine main part (1) has tubulation (6), the surface of tubulation (6) is provided with dismouting subassembly (7).

2. The multi-piece assembled low-temperature economizer of claim 1, wherein: dust exhaust subassembly (5) are including installing in cylinder (504) of machine main part (1) surface and running through respectively in a plurality of first baffle (502) and second baffle (503) of machine main part (1) surface below, the output of cylinder (504) is connected with support (501), the top and the bottom of support (501) all are connected with rack (505), and are a plurality of gear (506) have all been cup jointed to the outside of first baffle (502) and a plurality of second baffle (503).

3. The multi-piece assembled low-temperature economizer of claim 1, wherein: the disassembly and assembly component (7) comprises two installation bases (701) connected to the outer surface of the row pipe (6), a plurality of placing grooves (703) are formed in the outer surface of the two installation bases (701), limiting grooves (704) are formed in the tops of the placing grooves (703), fins (702) are arranged inside the placing grooves (703), and two limiting plates (705) are connected to the bottoms of the fins (702).

4. A multi-piece assembled low-temperature economizer as claimed in claim 2, wherein: the rack (505) is meshed with the gear (506), and the first baffles (502) and the second baffles (503) are rotatably connected with the machine body (1) through rotating shafts.

5. The multi-piece assembled low-temperature economizer of claim 3, wherein: the thickness of the fins (702) is 1mm, and the gap between two fins (702) is 3mm.

6. The multi-piece assembled low-temperature economizer of claim 3, wherein: the fin (702) is detachably connected with the mounting seat (701) through a limiting groove (704) and a limiting plate (705), the limiting plate (705) is in interference fit with the limiting groove (704), and the two mounting seats (701) are detachably connected with the tube nest (6) through bolts.

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