CN219964423U

CN219964423U - Boiler flue gas pretreatment mummification device

Info

Publication number: CN219964423U
Application number: CN202320821192.7U
Authority: CN
Inventors: 曹美龙; 林伟; 侯俊雄; 李波扬
Original assignee: FUJIAN SHISHI THERMOELECTRICITY CO LTD
Current assignee: FUJIAN SHISHI THERMOELECTRICITY CO LTD
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-11-07
Anticipated expiration: 2033-04-13

Abstract

The utility model relates to the technical field of flue gas dehydration, and particularly discloses a boiler flue gas pretreatment drying device, which comprises a dryer; the dryer comprises a condensing chamber and a drying chamber, wherein one side of the condensing chamber is communicated with an air inlet pipe, a condensing and ventilating cover is arranged in the condensing chamber, air holes are formed in the condensing and ventilating cover, a condensing pipe is arranged on the upper surface of the condensing and ventilating cover in a surrounding mode, the condensing pipe is connected with a pump body, and the pump body is connected with a low-temperature water source; one side of the condensing chamber is provided with a drying chamber, and the inside of the drying chamber is provided with activated carbon adsorption filler. The drying device in this scheme mainly includes condensing chamber, drying chamber, makes it when in-service use, can play the purpose of cooling to the condensing chamber through the cooperation of the indoor condensation ventilation hood of condensing and condenser pipe, after the flue gas gets into the condensing chamber, moisture in the flue gas can meet condensation knot after, is collected to the condensing chamber bottom, and the activated carbon adsorption filler in the rethread drying chamber carries out dehydration, adsorption treatment to the flue gas.

Description

Boiler flue gas pretreatment mummification device

Technical Field

The utility model relates to the technical field of flue gas dehydration, in particular to a boiler flue gas pretreatment drying device.

Background

After the smoke in the existing high-temperature boiler is exhausted, the smoke needs to be cooled and dedusted, because the smoke contains high-concentration water vapor, when the water vapor is condensed into liquid water, the water accumulation, mud accumulation and corrosion in a smoke pipeline often occur, and therefore, the boiler smoke needs to be dehydrated and dried.

Most of the existing boiler flue gas drying treatment equipment adsorbs and removes water vapor in flue gas through active carbon filler, and although the mode can remove partial water in the flue gas, the service life of the filler is shorter, the filler needs to be replaced frequently, so that the flue gas treatment cost is higher, and the flue gas treatment cost needs to be improved.

Disclosure of Invention

The utility model aims to provide a boiler flue gas pretreatment drying device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a boiler flue gas pretreatment drying device comprises a dryer; the dryer comprises a condensing chamber and a drying chamber, wherein one side of the condensing chamber is communicated with an air inlet pipe, a condensing and ventilating cover is arranged in the condensing chamber, air holes are formed in the condensing and ventilating cover, a condensing pipe is arranged on the upper surface of the condensing and ventilating cover in a surrounding mode, the condensing pipe is connected with a pump body, and the pump body is connected with a low-temperature water source;

a drying chamber is arranged at one side of the condensing chamber, an activated carbon adsorption filler is arranged in the drying chamber, an exhaust pipe is arranged in the middle of the activated carbon adsorption filler, and the exhaust pipe is communicated with the condensing chamber through the drying pipe; the outside of the drying chamber is provided with a heat preservation shell, a heating pipe is connected between the heat preservation shell and the drying chamber, and the heating pipe is communicated with the air inlet pipe.

Preferably, a plurality of heat conducting fins are arranged on the circumferential inner side wall of the drying chamber in an annular array mode, and the heat conducting fins are buried in the activated carbon adsorption filler.

Preferably, the top of the drying chamber is provided with a purifying pipe, the purifying pipe is communicated with a detection branch pipe, and a humidity detector is arranged on the detection branch pipe.

Preferably, one side of the bottom of the drying chamber is communicated with an overflow pipe, an outlet of the overflow pipe is communicated with a transparent observation pipe, and a drain valve is arranged at the bottom of the transparent observation pipe.

Preferably, the air inlet pipe comprises a first-stage air inlet pipe and a second-stage air inlet pipe, a three-way valve is arranged at the outlet of the first-stage air inlet pipe, and the three-way valve is respectively communicated with the second-stage air inlet pipe and the heating pipe.

Preferably, the secondary air inlet pipe is arranged on the condensing chamber in a downward inclined mode, and the bottom end of the secondary air inlet pipe is communicated with the condensing chamber.

Preferably, a water reservoir is arranged in the condensing chamber below the condensing ventilation cover, and the bottom end of the water reservoir is communicated with a drain pipe.

Preferably, the air holes are staggered with the condensing tube.

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

1. the drying device mainly comprises a condensing chamber and a drying chamber, when the drying device is in actual use, the condensing chamber can be cooled through the cooperation of a condensing ventilation cover in the condensing chamber and a condensing pipe, after the flue gas enters the condensing chamber, moisture in the flue gas can be collected to the bottom of the condensing chamber after meeting condensation, and the flue gas coming out of the condensing chamber is dehydrated and adsorbed through an activated carbon adsorption filler in the drying chamber, so that the purpose of rapid dehydration pretreatment of the flue gas is achieved.

2. According to the boiler flue gas pretreatment drying device, the heat conducting fin is arranged in the activated carbon adsorption filler, and is connected with the inside of the drying chamber, so that heat in the heating pipe can be transferred to the inside of the activated carbon adsorption filler, the purpose of drying the activated carbon adsorption filler is achieved, and the service life of the activated carbon adsorption filler is prolonged to a certain extent.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of a specific structure of the drying chamber of the present utility model.

In the figure: 1. a dryer; 2. a condensing chamber; 3. a drying chamber; 4. an air inlet pipe; 41. a primary air inlet pipe; 42. a secondary air inlet pipe; 5. a condensing ventilation hood; 6. ventilation holes; 7. a condensing tube; 8. a pump body; 9. activated carbon adsorption filler; 10. an exhaust pipe; 11. a drying pipe; 12. a heat-insulating housing; 13. heating pipes; 14. a reservoir; 15. a drain pipe; 16. a heat conductive sheet; 17. a purifying tube; 18. detecting a branch pipe; 19. a humidity detector; 20. an overflow pipe; 21. a transparent viewing tube; 22. and (3) a drainage valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model provides a technical solution: a boiler flue gas pretreatment drying device comprises a dryer 1; the dryer 1 comprises a condensation chamber 2 and a drying chamber 3, one side of the condensation chamber 2 is communicated with an air inlet pipe 4, a condensation ventilation cover 5 is arranged in the condensation chamber 2, ventilation holes 6 are formed in the condensation ventilation cover 5, a condensation pipe 7 is arranged on the upper surface of the condensation ventilation cover 5 in a surrounding mode, the condensation pipe 7 is connected with a pump body 8, and the pump body 8 is connected with a low-temperature water source;

one side of the condensing chamber 2 is provided with a drying chamber 3, an activated carbon adsorption filler 9 is arranged in the drying chamber 3, an exhaust pipe 10 is arranged in the middle of the activated carbon adsorption filler 9, and the exhaust pipe 10 is communicated with the condensing chamber 2 through a drying pipe 11; the outside of the drying chamber 3 is provided with a heat preservation shell 12, a heating pipe 13 is connected between the heat preservation shell 12 and the drying chamber 3, and the heating pipe 13 is communicated with the air inlet pipe 4.

Further, a plurality of heat conducting fins 16 are arranged on the circumferential inner side wall of the drying chamber 3 in an annular array, and the heat conducting fins 16 are buried in the activated carbon adsorption filler 9.

Further, a purifying pipe 17 is arranged at the top end of the drying chamber 3, a detecting branch pipe 18 is communicated with the purifying pipe 17, and a humidity detector 19 is arranged on the detecting branch pipe 18.

Further, one side of the bottom of the drying chamber 3 is communicated with an overflow pipe 20, an outlet of the overflow pipe 20 is communicated with a transparent observation pipe 21, and a drain valve 22 is arranged at the bottom of the transparent observation pipe 21.

Further, the air inlet pipe 4 comprises a first-stage air inlet pipe 41 and a second-stage air inlet pipe 42, and a three-way valve is arranged at the outlet of the first-stage air inlet pipe 41 and is respectively communicated with the second-stage air inlet pipe 42 and the heating pipe 13.

Further, the secondary air inlet pipe 42 is arranged on the condensation chamber 2 in a downward inclined manner, and the bottom end of the secondary air inlet pipe 42 is communicated with the condensation chamber 2.

Further, a water reservoir 14 is arranged in the condensing chamber 2 below the condensing ventilation cover 5, and the bottom end of the water reservoir 14 is communicated with a drain pipe 15.

Further, the air holes 6 are staggered with the condensing tube 7.

Working principle: when the device is actually used, the air inlet of the primary air inlet pipe 41 is communicated with the air outlet of the boiler, and the valve on the secondary air inlet pipe 42 is opened, so that the flue gas exhausted by the boiler can enter the condensing chamber 2 through the secondary air inlet pipe 42; simultaneously, pump body 8 pumps outside low temperature water to condenser pipe 7, and condenser pipe 7 plays the effect of cooling to condensation ventilation hood 5, condensation chamber 2 for after the flue gas got into condensation chamber 2, after meeting the condensation knot, the moisture in the flue gas was collected to condensation chamber 2 bottom, was discharged through drain pipe 15.

The upper layer flue gas in the condensation chamber 2 enters the exhaust pipe 10 through the drying pipe 11, and the exhaust pipe 10 is buried in the middle of the activated carbon adsorption filler 9, so that the flue gas is discharged from meshes on the exhaust pipe 10 and fully contacted with the activated carbon adsorption filler 9, and the activated carbon adsorption filler 9 fully absorbs moisture in the flue gas, so that the purpose of rapid dehydration pretreatment of the flue gas is achieved.

When the activated carbon adsorption packing 9 is idle, boiler flue gas can be led into the heating pipe 13, the drying chamber 3 is heated through the heating pipe 13, and meanwhile, heat of the heat conducting fin 16 is transferred to the inside of the activated carbon adsorption packing 9, so that the purpose of drying the activated carbon adsorption packing 9 is achieved, and the service life of the activated carbon adsorption packing 9 is prolonged to a certain extent.

Meanwhile, when the activated carbon adsorption packing 9 is in a saturated state, water in the drying chamber 3 enters the transparent observation tube 21 through the overflow tube 20, so that an operator can observe whether the activated carbon adsorption packing 9 is in a saturated state through the transparent observation tube 21; the humidity detector 19 can also be used for monitoring the humidity of the flue gas discharged from the purifying tube 17 in real time, so that the humidity is used as a basis for judging the service life of the activated carbon adsorption filler 9, and the activated carbon adsorption filler is replaced and treated in time.

Notably, are: the whole device controls the implementation of the device through the controller, and the controller is common equipment, belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated here.

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

Claims

1. The utility model provides a boiler flue gas pretreatment mummification device which characterized in that: comprises a dryer (1); the dryer (1) comprises a condensation chamber (2) and a drying chamber (3), one side of the condensation chamber (2) is communicated with an air inlet pipe (4), a condensation ventilation cover (5) is arranged in the condensation chamber (2), ventilation holes (6) are formed in the condensation ventilation cover (5), a condensation pipe (7) is arranged on the upper surface of the condensation ventilation cover (5) in a surrounding mode, the condensation pipe (7) is connected with a pump body (8), and the pump body (8) is connected with a low-temperature water source;

one side of the condensing chamber (2) is provided with a drying chamber (3), the inside of the drying chamber (3) is provided with an activated carbon adsorption filler (9), the middle part of the activated carbon adsorption filler (9) is provided with an exhaust pipe (10), and the exhaust pipe (10) is communicated with the condensing chamber (2) through a drying pipe (11); the outside of desiccation room (3) is provided with heat preservation casing (12), is connected with heating pipe (13) between heat preservation casing (12) and desiccation room (3), and heating pipe (13) and intake pipe (4) intercommunication.

2. The boiler flue gas pretreatment drying device according to claim 1, wherein: a plurality of heat conducting fins (16) are arranged on the circumferential inner side wall of the drying chamber (3) in an annular array mode, and the heat conducting fins (16) are buried in the activated carbon adsorption filler (9).

3. The boiler flue gas pretreatment drying device according to claim 1, wherein: the top of desiccation room (3) is provided with purifying pipe (17), and the last detection branch pipe (18) that communicates of purifying pipe (17) is installed humidity detector (19) on detection branch pipe (18).

4. The boiler flue gas pretreatment drying device according to claim 1, wherein: one side of the bottom of the drying chamber (3) is communicated with an overflow pipe (20), an outlet of the overflow pipe (20) is communicated with a transparent observation pipe (21), and a drain valve (22) is arranged at the bottom of the transparent observation pipe (21).

5. The boiler flue gas pretreatment drying device according to claim 1, wherein: the air inlet pipe (4) comprises a primary air inlet pipe (41) and a secondary air inlet pipe (42), a three-way valve is arranged at the outlet of the primary air inlet pipe (41), and the three-way valve is respectively communicated with the secondary air inlet pipe (42) and the heating pipe (13).

6. The boiler flue gas pretreatment drying device according to claim 5, wherein: the secondary air inlet pipe (42) is arranged on the condensing chamber (2) in a downward inclined mode, and the bottom end of the secondary air inlet pipe (42) is communicated with the condensing chamber (2).

7. The boiler flue gas pretreatment drying device according to claim 1, wherein: a water reservoir (14) is arranged in the condensing chamber (2) below the condensing ventilation cover (5), and the bottom end of the water reservoir (14) is communicated with a drain pipe (15).

8. The boiler flue gas pretreatment drying device according to claim 1, wherein: the air holes (6) are staggered with the condensing tube (7).