CN212584988U - Drawer type flue gas heater - Google Patents

Abstract

The utility model discloses a drawer type flue gas heater, including heating jar and two flue gas pipelines of setting in the heating jar, the left and right sides of the inner chamber antetheca of heating jar is connected with the surface fixed connection of two flue gas pipelines, one respectively the positive top intercommunication of flue gas pipeline has the flue gas to advance the pipe, the utility model relates to a flue gas heater technical field. This drawer type flue gas heater, through two flue gas pipeline at the inside fixed mounting of heating tank, use two flue gas pipeline of U type pipe intercommunication, and set up on two flue gas pipeline and block the piece and cut off flue gas pipeline, lead the cooperation setting that connects through drawer guide box and first guide joint and second, reach the crooked mobile purpose of flue gas, wherein pass through bolted connection between drawer guide box and the closing plate, it is convenient to dismantle, after using a period, can be through the mode of dismantling the bolt, directly take out the drawer guide box, wash, it is more convenient to use.

Description

Drawer type flue gas heater

Technical Field

The utility model relates to a flue gas heater technical field specifically is a drawer type flue gas heater.

Background

The dangerous waste incineration flue gas system has multiple deacidification processes, uses the most extensive wet deacidification, and the clean flue gas temperature through wet deacidification is less than 100 ℃ and is the wet saturation state, and direct emission can bring two kinds of unfavorable results: 1. the smoke lifting diffusion capacity is low, and water mist is formed near a chimney to pollute the environment, namely, the smoke flows are washed downwards; 2. since the smoke is below the dew point, acid drops are condensed from the smoke, so-called rain, which pollutes the environment and causes low-temperature corrosion to equipment. Therefore, a flue gas heater is usually arranged behind a wet scrubbing tower in a flue gas system, flue gas after deacidification is heated by using boiler waste heat steam, SO that the temperature of the flue gas is raised to about 130 ℃, the lifting height and the diffusion capacity of clean flue gas are improved, the landing concentration of pollutants such as SO2, dust, NOX and the like is reduced, the condensation phenomenon of the wet flue gas is reduced, the corrosion to a follow-up flue and a chimney is relieved, and the phenomenon that a clean flue gas chimney emits white smoke is eliminated.

The flue gas heater mainly utilizes steam to dissipate heat through the heating fins, so that the flue gas after heating treatment reaches more than 140 ℃, and is in a colorless state when being discharged from a chimney, the conventional flue gas heater bends a flue gas conveying pipeline as far as possible in the heater, so that the steam can be fully contacted with the flue gas, and further the purpose of heating treatment is rapidly achieved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drawer type flue gas heater, the conventional heater structure of having solved is the undetachable form, washs the great problem of the degree of difficulty.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a drawer type flue gas heater comprises a heating tank and two flue gas pipelines arranged in the heating tank, wherein the left side and the right side of the front wall of an inner cavity of the heating tank are respectively fixedly connected with the outer surfaces of the two flue gas pipelines, the front top of one flue gas pipeline is communicated with a flue gas inlet pipe, the front bottom of the other flue gas pipeline is communicated with a flue gas outlet pipe, the front bottom of the one flue gas pipeline is communicated with a condensate discharge pipe, one ends of the flue gas inlet pipe, the flue gas outlet pipe and the condensate discharge pipe penetrate through the heating tank and extend to the front of the heating tank, flanges are fixedly connected with the surfaces of one ends of the flue gas inlet pipe, the flue gas outlet pipe and the condensate discharge pipe, the two flue gas pipelines are communicated through a U-shaped pipe, a first guide joint is communicated with the surface of one flue gas pipeline and positioned below the U-shaped pipe, a second guide joint is communicated with the surface of the other, and the second lead the height that highly is higher than first lead and connects, the back of heating jar has the closing plate through the pin joint of pin, the surface of closing plate is through bolt fixedly connected with drawer guide box, the left and right sides at drawer guide box back is seted up respectively with the second lead the through-hole that connects and first lead and connect looks adaptation, and the intercommunication has the water conservancy diversion pipe support between two through-holes.

Preferably, the top fixedly connected with flange of heating jar, heating tank bottom intercommunication has the blast pipe, the output fixedly connected with flange of blast pipe.

Preferably, the bottom of the exhaust pipe is communicated with a sewage discharge pipe, and the bottom end of the sewage discharge pipe is fixedly connected with a flange.

Preferably, the right side of heating jar is provided with the access door, the top intercommunication on heating jar right side has the washing pipeline, and the right side fixedly connected with flange of washing pipeline.

Preferably, the first guide joint and the second guide joint respectively comprise a connecting pipe, a limiting ring and a sealing washer, the middle of the outer surface of the connecting pipe is fixedly connected with the inner surface of the limiting ring, and the top of the limiting ring is fixedly connected with the bottom of the sealing washer.

Preferably, one end of the connecting pipe is communicated with the inside of the flue gas pipeline, and the outer surface of the other end of the connecting pipe is matched with the inner surface of the through hole.

Advantageous effects

The utility model provides a drawer type flue gas heater. Compared with the prior art, the method has the following beneficial effects:

(1) this drawer type gas heater, through two flue gas pipeline at the inside fixed mounting of heating tank, use two flue gas pipeline of U type pipe intercommunication, and set up on two flue gas pipeline and block that the piece cuts off flue gas pipeline, lead the cooperation setting that connects through drawer guide box and first guide joint and second, reach the crooked mobile purpose of flue gas, wherein pass through bolted connection between drawer guide box and the closing plate, it is convenient to dismantle, after using a period, can be through the mode of dismantling the bolt, directly take out the drawer guide box, wash, it is more convenient to use.

(2) This drawer type gas heater through set up the access door on heating tank, convenience of customers can also make things convenient for the staff to discharge the inside comdenstion water that stores up of water conservancy diversion pipe support simultaneously to heating tank inner structure's inspection, need not store up too much and directly take out the drawer guide box because of the comdenstion water, and it is more convenient to use.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the connection of the flue gas pipe, the U-shaped pipe and the heating tank structure of the present invention;

FIG. 4 is a schematic connection diagram of the flue gas pipeline, the flue gas inlet pipe, the flue gas outlet pipe, the condensate discharge pipe, the U-shaped pipe, the first guide joint and the second guide joint structure according to the present invention;

FIG. 5 is a schematic view of the connection between the drawer guide box and the draft tube rack of the present invention;

FIG. 6 is a rear view of the drawer guide box structure of the present invention;

fig. 7 is the structure schematic diagram of the utility model discloses a water conservancy diversion pipe support.

In the figure: 1. a heating tank; 2. a flue gas duct; 3. a flue gas inlet pipe; 4. a flue gas outlet pipe; 5. a condensate drain pipe; 6. a U-shaped pipe; 7. a first lead connector; 8. a second lead connector; 9. a sealing plate; 10. a drawer guide box; 11. a through hole; 12. a diversion pipe frame; 13. an exhaust pipe; 14. a blow-off pipe; 15. an access door; 16. cleaning a pipeline; 17. a connecting pipe; 18. a limiting ring; 19. a gasket is provided.

Detailed Description

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. 1-7, the present invention provides a technical solution: a drawer type flue gas heater comprises a heating tank 1 and two flue gas pipelines 2 arranged in the heating tank 1, wherein the top of the heating tank 1 is fixedly connected with a flange, the bottom end of the heating tank 1 is communicated with an exhaust pipe 13, the output end of the exhaust pipe 13 is fixedly connected with the flange, the bottom of the exhaust pipe 13 is communicated with a sewage discharge pipe 14, the bottom end of the sewage discharge pipe 14 is fixedly connected with the flange, the right side of the heating tank 1 is provided with an access door 15, the top of the right side of the heating tank 1 is communicated with a cleaning pipeline 16, the right side of the cleaning pipeline 16 is fixedly connected with the flange, through arranging the access door 15 on the heating tank 1, a user can conveniently check the internal structure of the heating tank 1, meanwhile, the operator can conveniently discharge condensed water accumulated in a diversion pipe frame 12, the drawer guide box is not directly drawn out due to excessive accumulated condensed water, the use is more convenient, the left side and the right side of the, the front top of one flue gas pipeline 2 is communicated with a flue gas inlet pipe 3, the front bottom of the other flue gas pipeline 2 is communicated with a flue gas outlet pipe 4, the front bottom of the one flue gas pipeline 2 is communicated with a condensate discharge pipe 5, one end of the flue gas inlet pipe 3, one end of the flue gas outlet pipe 4 and one end of the condensate discharge pipe 5 penetrate through the heating tank 1 and extend to the front of the heating tank 1, the surfaces of the flue gas inlet pipe 3, the flue gas outlet pipe 4 and one end of the condensate discharge pipe 5 are fixedly connected with flanges, the two flue gas pipelines 2 are communicated through a U-shaped pipe 6, the surface of the one flue gas pipeline 2 is communicated with a first guide joint 7 below the U-shaped pipe 6, the surface of the other flue gas pipeline 2 is communicated with a second guide joint 8 below the U-shaped pipe 6, the height of the second guide joint 8 is higher than that of the first guide joint 7, and the first guide joint 8 both comprise a connecting pipe, A limiting ring 18 and a sealing washer 19, the middle part of the outer surface of the connecting pipe 17 is fixedly connected with the inner surface of the limiting ring 18, the top of the limiting ring 18 is fixedly connected with the bottom of the sealing washer 19, one end of the connecting pipe 17 is communicated with the inside of the flue gas pipeline 2, the outer surface of the other end of the connecting pipe 17 is matched with the inner surface of the through hole 11, the back part of the heating tank 1 is pinned with a sealing plate 9 through a pin, the surface of the sealing plate 9 is fixedly connected with a drawer guide box 10 through a bolt, the left side and the right side of the back part of the drawer guide box 10 are respectively provided with the through holes 11 matched with a second guide joint 8 and a first guide joint 7, a guide pipe frame 12 is communicated between the two through holes 11, the two flue gas pipelines 2 are fixedly installed in the heating tank 1, the U-shaped pipe 6 is used for communicating the, through drawer guide box 10 and first guide joint 7 and the cooperation setting of second guide joint 8, reach the crooked mobile purpose of flue gas, wherein through bolted connection between drawer guide box 10 and the closing plate 9, it is convenient to dismantle, uses after a period, can directly take drawer guide box 10 out through the mode of dismantling the bolt, washs, and it is more convenient to use.

And those not described in detail in this specification are well within the skill of those in the art.

When the steam heating device is used, steam enters the tank body from the upper part of the heating tank 1, the steam exchanges heat with the flue gas pipeline 2, the U-shaped pipe 6 and the diversion pipe frame 12, the steam is discharged from the exhaust pipe 13, the flue gas enters one flue gas pipeline 2 from the flue gas inlet pipe 3, enters the other flue gas pipeline 2 along the U-shaped pipe 6, the second diversion pipe frame 12 and the first diversion pipe 7, and then enters one flue gas pipeline 2 through the U-shaped pipe 6, the steps are repeated, the flue gas is continuously heated by the steam, the heated steam is discharged from the flue gas outlet pipe 4, after the steam heating device is used for a period of time, a user can unscrew the bolt on the drawer guide box 10, the drawer guide box 10 is drawn out for cleaning, the through hole 11 is aligned with the connecting pipe 17 for installation, the drawer guide box 10 is connected and fastened with the sealing plate 9 by screwing the bolt, in the process, the drawer guide box 10 extrudes the sealing washer 19 to complete the sealing of the connection between, meanwhile, after the user uses the water-cooled condensate water drainage device for a period of time, the pipeline valve below the guide pipe frame 12 can be unscrewed by opening the access door 15, and the accumulated condensate water in the guide pipe frame 12 is drained.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. The utility model provides a drawer type flue gas heater, includes heating tank (1) and sets up two flue gas pipeline (2) in heating tank (1), its characterized in that: the left side and the right side of the front wall of the inner cavity of the heating tank (1) are respectively fixedly connected with the outer surfaces of two flue gas pipelines (2), the front top of one flue gas pipeline (2) is communicated with a flue gas inlet pipe (3), the front bottom of the other flue gas pipeline (2) is communicated with a flue gas outlet pipe (4), the front bottom of the other flue gas pipeline (2) is communicated with a condensate discharge pipe (5), one ends of the flue gas inlet pipe (3), the flue gas outlet pipe (4) and the condensate discharge pipe (5) penetrate through the heating tank (1) and extend to the front of the heating tank (1), the surfaces of the flue gas inlet pipe (3), the flue gas outlet pipe (4) and one end of the condensate discharge pipe (5) are fixedly connected with flanges, the two flue gas pipelines (2) are communicated with each other through a U-shaped pipe (6), and the surface of one flue gas pipeline (2) is communicated with a first guide joint (7) below the U-shaped, another the below intercommunication that the surface of flue gas pipeline (2) just is located U type pipe (6) has the second to lead and connects (8), and the second leads the height that highly is higher than first lead and connects (7) of connecting (8), the back of heating jar (1) has closing plate (9) through the pin joint, there is drawer guide box (10) on the surface of closing plate (9) through bolt fixedly connected with, through-hole (11) that lead and connect (8) and first lead and connect (7) looks adaptation are seted up respectively with the second to the left and right sides at drawer guide box (10) back, and the intercommunication has water conservancy diversion pipe support (12) between two through-holes (11).

2. The drawer-style flue gas heater as claimed in claim 1, wherein: the top fixedly connected with flange of heating jar (1), heating jar (1) bottom intercommunication has blast pipe (13), the output fixedly connected with flange of blast pipe (13).

3. The drawer-style flue gas heater as claimed in claim 2, wherein: the bottom of the exhaust pipe (13) is communicated with a sewage discharge pipe (14), and the bottom end of the sewage discharge pipe (14) is fixedly connected with a flange.

4. The drawer-style flue gas heater as claimed in claim 1, wherein: the right side of heating jar (1) is provided with access door (15), the top intercommunication on heating jar (1) right side has washing pipeline (16), and washs the right side fixedly connected with flange of pipeline (16).

5. The drawer-style flue gas heater as claimed in claim 1, wherein: first lead and connect (7) and second lead and connect (8) and all include connecting pipe (17), spacing ring (18) and seal ring (19), the middle part of connecting pipe (17) surface is connected with the internal surface fixed connection of spacing ring (18), the top of spacing ring (18) and the bottom fixed connection of seal ring (19).

6. The drawer-style flue gas heater of claim 5 wherein: one end of the connecting pipe (17) is communicated with the inside of the flue gas pipeline (2), and the outer surface of the other end of the connecting pipe (17) is matched with the inner surface of the through hole (11).

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