CN217109632U - Air preheater with bypass device - Google Patents

Abstract

The utility model discloses an air preheater with a bypass device, which comprises a box body, wherein the second cavity is divided into a first channel and a second channel by a first clapboard, a second clapboard and a third clapboard, a third connecting pipe is communicated with a filter box, and a communicating pipe is communicated with a collecting box; through the setting of first passageway and third connecting pipe, through the water pump, the three-way pipe, first connecting pipe, the second valve, the water tank, fixed pipe and atomizer cooperation, water after the dust fall falls in the second passageway back, water in the second passageway overflows behind the third connecting pipe, pass through the third connecting pipe in proper order, the rose box is collected in the collecting box with discharging communicating pipe, through the water pump, the three-way pipe, the second connecting pipe, the second valve, the collecting box, fixed pipe and atomizer cooperation, thereby can be to the water reuse after the burner gas filters, through the setting of first passageway and third connecting pipe, then can carry out reuse to the water after the burner gas filters, thereby the waste of reducible water resource.

Description

Air preheater with bypass device

Technical Field

The utility model relates to an air heater technical field specifically is a take bypass arrangement air heater.

Background

In the prior art, the existing air preheater can filter impurities in furnace gas in a furnace in the using process, and when the impurities in the furnace gas in the furnace are filtered, the impurities in the furnace gas are filtered by clean water, and the filtered water is directly discharged, so that the filtered water cannot be reused, and further the waste of water resources can be caused, and therefore the air preheater with the bypass device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take bypass arrangement air heater can carry out reuse to the water after the burner gas filters to the waste of reducible water resource is in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an air preheater with a bypass device comprises a box body, wherein a supporting plate is fixedly connected inside the box body, the box body is divided into a first cavity and a second cavity by the supporting plate, a first partition plate and a third partition plate are fixedly connected to the bottom of the supporting plate, a second partition plate is fixedly connected to the inner bottom of the box body, the second partition plate is arranged between the first partition plate and the third partition plate, the first partition plate, the second partition plate and the third partition plate are all arranged in the second cavity, the second cavity is divided into a first channel and a second channel by the first partition plate, the second partition plate and the third partition plate, an installation box is fixedly connected to the bottom of the box body, a collection box is fixedly arranged in the installation box, a third connecting pipe is communicated with the side of the box body, a filter box is fixedly arranged on the side of the box body, and the third connecting pipe is communicated with the filter box, the bottom of the filter box is communicated with a communicating pipe, the communicating pipe penetrates through the installation box, and the communicating pipe is communicated with the collecting box.

Preferably, the inside fixed mounting of install bin has the water tank, fixedly connected with mounting panel in the install bin, fixed mounting has the water pump on the mounting panel.

Preferably, the water inlet end and the water outlet end of the water pump are both communicated with a pipeline, the pipeline at the water inlet end of the water pump penetrates through and extends to the lower part of the mounting plate, and the pipeline at the water inlet end of the water pump is communicated with a three-way pipe.

Preferably, one group of water inlets of the three-way pipe is communicated with a first connecting pipe, the other group of water inlets of the three-way pipe is communicated with a second connecting pipe, the first connecting pipe is communicated with the water tank, the second connecting pipe is communicated with the collecting box, and the first connecting pipe and the second connecting pipe are both provided with second valves.

Preferably, the pipeline of water pump play water end runs through and extends to the outside of install bin, the lateral part of box is provided with three groups of fixed pipes, and a set of fixed pipe runs through the box to extend to in the first passageway, two sets of in addition the fixed pipe all runs through the box to extend to in the second passageway.

Preferably, the bottom of the three groups of fixed pipes is communicated with an atomizing nozzle, a pipeline at the water outlet end of the water pump is communicated with the fixed pipes, and a filter plate is arranged in the second channel.

Preferably, the two sides of the box body are communicated with drain pipes, the drain pipe on one side of the box body is communicated with the first channel, the drain pipe on the other side of the box body is communicated with the second channel, and the drain pipe is provided with a first valve.

Preferably, the side part of the box body is communicated with a furnace gas connecting pipe, the furnace gas connecting pipe is communicated with the first channel, and a filter screen is arranged in the filter box.

Preferably, a first heat exchange tube and a second heat exchange tube are arranged in the first cavity, the first heat exchange tube is attached to the second heat exchange tube, one end of the first heat exchange tube is communicated with the second channel, and the other end of the first heat exchange tube penetrates through and extends to the top of the box body.

Preferably, one end of the second heat exchanging pipe penetrates through and extends to the outer side of the box body, the other end of the second heat exchanging pipe penetrates through and extends to the top of the box body, and one end of the second heat exchanging pipe, which extends to the top of the box body, is communicated with the air inlet of the boiler.

Compared with the prior art, the beneficial effects of the utility model are that:

the arrangement of the first channel and the third connecting pipe, the first channel and the second channel are matched, so that the furnace gas can be cleaned and dusted by water in the first channel, the impurities in the furnace gas can be reduced, the furnace gas can be cleaned and dusted again by the water in the second channel, the impurities in the furnace gas can be reduced again, the water pump, the three-way pipe, the first connecting pipe, the second valve, the water tank and the fixed pipe are matched, so that the furnace gas dusted by dust in the second channel can be dusted again, after falling into the second channel, the water in the second channel overflows the third connecting pipe, and is discharged into the collecting box through the third connecting pipe, the filter box and the communicating pipe to be collected, after the water in the collecting box is fully collected, the water in the collecting box is matched with the atomizing nozzle through the water pump, the three-way pipe, the second connecting pipe, the second valve, the collecting box and the fixed pipe, therefore, water filtered by the furnace gas can be recycled, and the water filtered by the furnace gas can be recycled through the arrangement of the first channel and the third connecting pipe, so that the waste of water resources can be reduced.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic structural diagram of the present invention viewed from the right;

FIG. 4 is a schematic cross-sectional view of the filter box of the present invention;

fig. 5 is an enlarged schematic structural view of the area a in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a support plate; 3. a first heat exchanging pipe; 4. a second heat exchanging pipe; 5. a first separator; 6. a second separator; 7. a third partition plate; 8. a first channel; 9. a second channel; 10. a drain pipe; 11. a first valve; 12. installing a box; 13. a water tank; 14. a collection box; 15. mounting a plate; 16. a water pump; 17. a three-way pipe; 18. a first connecting pipe; 19. a second connecting pipe; 20. a second valve; 21. a fixed tube; 22. an atomizing spray head; 23. filtering the plate; 24. a furnace gas connecting pipe; 25. a filter box; 26. a third connecting pipe; 27. filtering with a screen; 28. a communication pipe is provided.

Detailed Description

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an air preheater with a bypass device comprises a box body 1, a supporting plate 2 is fixedly connected inside the box body 1, the box body 1 is divided into a first cavity and a second cavity by the supporting plate 2, a first clapboard 5 and a third clapboard 7 are fixedly connected at the bottom of the supporting plate 2, a second clapboard 6 is fixedly connected at the inner bottom of the box body 1, the second clapboard 6 is arranged between the first clapboard 5 and the third clapboard 7, the first clapboard 5, the second clapboard 6 and the third clapboard 7 are all arranged in the second cavity, the second cavity is divided into a first channel 8 and a second channel 9 by the first clapboard 5, the second clapboard 6 and the third clapboard 7, an installation box 12 is fixedly connected at the bottom of the box body 1, a collection box 14 is fixedly arranged in the installation box 12, a third connecting pipe 26 is communicated with the side part of the box body 1, a filter box 25 is fixedly arranged at the side part of the box body 1, the third connecting pipe 26 is communicated with the filter box 25, the bottom of the filter box 25 is communicated with a communicating pipe 28, the communicating pipe 28 penetrates through the installation box 12, and the communicating pipe 28 is communicated with the collecting box 14;

through the arrangement of the first channel 8, dust falling water is arranged in the first channel 8 and the second channel 9, after furnace gas is discharged into the first channel 8 and the second channel 9, the furnace gas can be cleaned and dusted through the water in the first channel 8 and the second channel 9, a movable door is arranged on the front surface of the box body 1, and the second cavity can be cleaned by opening the movable door;

a water tank 13 is fixedly arranged inside the installation box 12, an installation plate 15 is fixedly connected inside the installation box 12, a water pump 16 is fixedly arranged on the installation plate 15, a water inlet end and a water outlet end of the water pump 16 are both communicated with a pipeline, the pipeline at the water inlet end of the water pump 16 penetrates and extends to the lower part of the installation plate 15, a three-way pipe 17 is communicated with the pipeline at the water inlet end of the water pump 16, one group of water inlets of the three-way pipe 17 are communicated with a first connecting pipe 18, the other group of water inlets of the three-way pipe 17 is communicated with a second connecting pipe 19, the first connecting pipe 18 is communicated with the water tank 13, the second connecting pipe 19 is communicated with a collection box 14, a second valve 20 is respectively arranged on the first connecting pipe 18 and the second connecting pipe 19, the pipeline at the water outlet end of the water pump 16 penetrates and extends to the outer side of the installation box 12, three groups of fixed pipes 21 are arranged on the side part of the box body 1, and one group of fixed pipes 21 penetrates through the box body 1 and extends to the first channel 8, the other two groups of fixed pipes 21 penetrate through the box body 1 and extend into the second channel 9, the bottoms of the three groups of fixed pipes 21 are communicated with atomizing nozzles 22, a pipeline at the water outlet end of the water pump 16 is communicated with the fixed pipes 21, and a filter plate 23 is arranged in the second channel 9;

through the arrangement of the water pump 16, the pipeline, the three-way pipe 17 and the second valve 20 are matched with the first connecting pipe 18, so that water can be pumped into the water tank 13, the pumped water is conveyed into the fixed pipe 21 through the pipeline and then is sprayed out through the atomizing nozzle 22, the dust fall water sprayed out through the atomizing nozzle 22 in the first channel 8 and the water in the first channel 8 can filter impurities in the furnace gas for one time, the dust fall water sprayed out through the atomizing nozzle 22 in the second channel 9 and the water in the second channel 9 can filter impurities in the furnace gas for two times, as the dust fall water sprayed out through the atomizing nozzle 22 in the first channel 8 and the water in the first channel 8 can filter the furnace gas for one time, most of the impurities in the furnace gas can be filtered, and the dust fall water sprayed out through the atomizing nozzle 22 in the second channel 9 and the water in the second channel 9 can filter the furnace gas for two times, the filtered impurities will be less;

the two sides of the box body 1 are communicated with drain pipes 10, the drain pipe 10 on one side of the box body 1 is communicated with the first channel 8, the drain pipe 10 on the other side of the box body 1 is communicated with the second channel 9, a first valve 11 is arranged on the drain pipe 10, the side part of the box body 1 is communicated with a furnace gas connecting pipe 24, the furnace gas connecting pipe 24 is communicated with the first channel 8, and a filter screen 27 is arranged in the filter box 25;

through the arrangement of the drain pipe 10, the water in the first channel 8 and the second channel 9 can be drained by opening the first valve 11, and the filter screen 27 can filter the recovered water, so that impurities in the water can be reduced;

a first heat exchange tube 3 and a second heat exchange tube 4 are arranged in the first cavity, the first heat exchange tube 3 is attached to the second heat exchange tube 4, one end of the first heat exchange tube 3 is communicated with the second channel 9, the other end of the first heat exchange tube 3 penetrates through and extends to the top of the box body 1, one end of the second heat exchange tube 4 penetrates through and extends to the outer side of the box body 1, the other end of the second heat exchange tube 4 penetrates through and extends to the top of the box body 1, and one end of the second heat exchange tube 4 extending to the top of the box body 1 is communicated with an air inlet of a boiler;

in the specific using process, furnace gas is discharged into the first channel 8 after passing through the furnace gas connecting pipe 24, after the furnace gas is discharged into the first channel 8, the furnace gas can be cleaned and dusted through water in the first channel 8, so that impurities in the furnace gas can be reduced, the furnace gas after being cleaned and dusted can enter the second channel 9, and the furnace gas can be cleaned and dusted again through water in the second channel 9, so that the impurities in the furnace gas can be reduced again;

when the furnace gas is filtered through the water in the first channel 8 and the second channel 9, the water pump 16 works, the water pump 16 pumps water into the water tank 13 through a pipeline, a three-way pipe 17, a second valve 20 and a first connecting pipe 18, the extracted water is sprayed out through the atomizing spray head 22 after being conveyed into the fixed pipe 21 through the pipeline, the dust-fall water sprayed out through the atomizing spray head 22 in the first channel 8 and the second channel 9 can carry out dust-fall on the furnace gas to the greatest extent, the furnace gas after dust fall can be discharged through the first heat exchange pipe 3, in the process that the first heat exchange pipe 3 discharges the furnace gas, air is conveyed into the boiler through the second heat exchange pipe 4, and when the air is conveyed into the boiler through the second heat exchange pipe 4, the furnace gas in the first heat exchange pipe 3 can exchange heat with the air in the second heat exchange pipe 4, so that the air can be preheated;

the dustfall water sprayed by the atomizing nozzle 22 in the second channel 9 falls on the filter plate 23 and then falls in the second channel 9, after the water in the second channel 9 overflows the third connecting pipe 26, the dustfall water is discharged into the filter tank 25 through the third connecting pipe 26, and after being filtered by the filter screen 27, the dustfall water can be discharged into the collecting tank 14 through the communicating pipe 28 for collection, after the water in the collecting tank 14 is fully collected, the second valve 20 on the first connecting pipe 18 is closed, the second valve 20 on the second connecting pipe 19 is opened, and the water pump 16, the three-way pipe 17, the second connecting pipe 19, the second valve 20 and the fixing pipe 21 are matched with the atomizing nozzle 22, so that the water filtered by furnace gas can be reused, and further the waste of water resources can be saved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a take bypass arrangement air heater, includes box (1), its characterized in that: the inner part of the box body (1) is fixedly connected with a supporting plate (2), the inner part of the box body (1) is divided into a first cavity and a second cavity by the supporting plate (2), the bottom of the supporting plate (2) is fixedly connected with a first clapboard (5) and a third clapboard (7), the inner bottom of the box body (1) is fixedly connected with a second clapboard (6), the second clapboard (6) is arranged between the first clapboard (5) and the third clapboard (7), the first clapboard (5), the second clapboard (6) and the third clapboard (7) are all arranged in the second cavity, the second cavity is divided into a first channel (8) and a second channel (9) by the first clapboard (5), the second clapboard (6) and the third clapboard (7), the bottom of the box body (1) is fixedly connected with a mounting box (12), and a collecting box (14) is fixedly arranged in the mounting box (12), the side part of the box body (1) is communicated with a third connecting pipe (26), the side part of the box body (1) is fixedly provided with a filter box (25), the third connecting pipe (26) is communicated with the filter box (25), the bottom of the filter box (25) is communicated with a communicating pipe (28), the communicating pipe (28) penetrates through the installation box (12), and the communicating pipe (28) is communicated with the collecting box (14).

2. An air preheater with a bypass device according to claim 1, wherein: the inside fixed mounting of install bin (12) has water tank (13), fixedly connected with mounting panel (15) in install bin (12), fixed mounting has water pump (16) on mounting panel (15).

3. An air preheater with a bypass device according to claim 2, wherein: the water inlet end and the water outlet end of the water pump (16) are both communicated with a pipeline, the pipeline at the water inlet end of the water pump (16) penetrates through and extends to the lower part of the mounting plate (15), and the pipeline at the water inlet end of the water pump (16) is communicated with a three-way pipe (17).

4. An air preheater with a bypass device according to claim 3, wherein: one group of water inlets of the three-way pipe (17) are communicated with a first connecting pipe (18), the other group of water inlets of the three-way pipe (17) are communicated with a second connecting pipe (19), the first connecting pipe (18) is communicated with the water tank (13), the second connecting pipe (19) is communicated with the collecting box (14), and second valves (20) are arranged on the first connecting pipe (18) and the second connecting pipe (19).

5. An air preheater with a bypass device according to claim 4, wherein: the pipeline of water pump (16) play water end runs through and extends to the outside of install bin (12), the lateral part of box (1) is provided with three fixed pipes (21) of group, and is a set of fixed pipe (21) run through box (1) to in extending to first passageway (8), two sets of in addition fixed pipe (21) all run through box (1), and extend to in second passageway (9).

6. An air preheater with a bypass device according to claim 5, wherein: the bottom of the three groups of fixed pipes (21) is communicated with an atomizing nozzle (22), the pipeline of the water outlet end of the water pump (16) is communicated with the fixed pipes (21), and a filter plate (23) is arranged in the second channel (9).

7. An air preheater with a bypass device according to claim 1, wherein: the water discharging pipe (10) is communicated with the two sides of the box body (1), the water discharging pipe (10) on one side of the box body (1) is communicated with the first channel (8), the water discharging pipe (10) on the other side of the box body (1) is communicated with the second channel (9), and a first valve (11) is arranged on the water discharging pipe (10).

8. An air preheater with a bypass device according to claim 1, wherein: the lateral part of box (1) intercommunication has burner gas connecting pipe (24), burner gas connecting pipe (24) and first passageway (8) intercommunication, the inside of rose box (25) is provided with filter screen (27).

9. An air preheater with a bypass device according to claim 1, wherein: the heat exchanger is characterized in that a first heat exchange tube (3) and a second heat exchange tube (4) are arranged in the first cavity, the first heat exchange tube (3) is attached to the second heat exchange tube (4), one end of the first heat exchange tube (3) is communicated with the second channel (9), and the other end of the first heat exchange tube (3) penetrates through and extends to the top of the box body (1).

10. An air preheater with a bypass device according to claim 9, wherein: one end of the second heat exchange tube (4) penetrates through and extends to the outer side of the box body (1), the other end of the second heat exchange tube (4) penetrates through and extends to the top of the box body (1), and one end of the second heat exchange tube (4) extending to the top of the box body (1) is communicated with an air inlet of the boiler.

Images