CN211551661U - A flue gas treatment device matched with a steam boiler in a scalp drying room - Google Patents

Abstract

The utility model discloses a flue gas treatment device matched with a steam boiler in a scalp drying room, belonging to the field of fur production and processing, comprising a heat exchange box, a tube bundle heat exchanger, a filter room, a first electromagnetic valve, a temperature sensor, a purification tower, The stirring rod, the atomizing nozzle and the drying layer, the air inlet pipe is installed under the left side of the heat exchange box, and the tube bundle heat exchanger is installed on the right side of the air inlet pipe; A first solenoid valve is installed on the upper part of the heat exchange box, and a second water level sensor is installed on the lower right side inside the heat exchange box; a filter chamber is arranged above the heat exchange box, and a second filter screen is installed above the first filter screen; the A second connecting pipe is installed in the upper middle of the filter chamber, and a plurality of sharp-angled protrusions are arranged on the left and right sides of the stirring rod. The utility model can increase the residence time and travel of the flue gas in the heat exchange box by setting the tube bundle heat exchanger in a serpentine shape, so that the heat exchange is more sufficient.

Description

A flue gas treatment device matched with a steam boiler in a scalp drying room

technical field

The utility model belongs to the field of fur production and processing, in particular to a flue gas treatment device matched with a steam boiler in a scalp drying room.

Background technique

Fur is a good clothing material to keep out the cold and keep warm. It is mainly tanned from animal furs such as fox fur, mink fur, sheep fur and wolf fur. The boiler dries the scalp. During the drying process of the steam boiler, a large amount of flue gas is generated. The flue gas contains a large amount of dust and particulate pollutants, and a variety of harmful gases are generated at the same time. It causes serious pollution to the atmosphere. At the same time, the flue gas contains a certain amount of waste heat, and the direct discharge causes a waste of thermal energy resources. Most of the existing steam boiler flue gas treatment devices used for fur scalp drying are relatively simple in structure, and waste heat is recovered. and flue gas purification are not sufficient, the use effect is not ideal.

Utility model content

The purpose of this utility model is to provide a flue gas treatment device matching a steam boiler for a scalp drying room, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A flue gas treatment device matched with a steam boiler in a scalp drying room, comprising a heat exchange box, a tube bundle heat exchanger, a filter room, a first solenoid valve, a temperature sensor, a purification tower, a stirring rod, an atomizing nozzle and a drying layer. An air intake pipe is installed under the left side of the heat exchange box, and a tube bundle heat exchanger is installed on the right side of the air intake pipe. , the tube bundle heat exchanger is arranged in a serpentine shape, and the inner walls of the left and right sides of the heat exchange box are staggered with a plurality of baffles; the upper right side of the heat exchange box is installed with a water supply pipe, and the water supply pipe is installed with a first Solenoid valve, a collection pipe is installed on the lower right side of the heat exchange box, a second solenoid valve is installed on the collection pipe, a temperature sensor is installed in the middle of the left side of the heat exchange box, and a first water level is installed on the upper right side of the heat exchange box A second water level sensor is installed on the lower right side of the heat exchange box; a filter chamber is arranged above the heat exchange box, and a first connection pipe is installed above the left side of the tube bundle heat exchanger, and the upper part of the first connection pipe Connected to the lower part of the left side inside the filter chamber, a first filter screen is installed in the middle of the filter chamber, and a second filter screen is installed above the first filter screen; A fan is installed on the second connecting pipe, a purification tower is installed on the right side of the heat exchange box, a motor is installed in the middle of the left side of the purification tower, a rotating shaft is installed on the right side of the motor, and a plurality of stirring rods are installed on the upper and lower sides of the rotating shaft. , the left and right sides of the stirring rod are provided with a plurality of sharp-angled protrusions; a third connecting pipe is installed under the right side of the purification tower, a water pump is installed on the third connecting pipe, and the upper part of the third connecting pipe is connected to the purification tower In the middle of the interior, a plurality of atomizing nozzles are installed evenly under the third connecting pipe inside the purification tower, a liquid filling port is installed on the upper left side of the purification tower, and a sewage outlet is installed on the lower left side of the purification tower.

As a further solution of the present invention, the temperature sensor and the second solenoid valve are electrically connected by cables, and the first solenoid valve is electrically connected with the first water level sensor and the second water level sensor respectively by cables.

As a further solution of the present invention, a sponge block is installed between the first filter screen and the second filter screen, and activated carbon adsorption particles are filled above the second filter screen.

As a further scheme of the present invention: the purification tower is filled with flue gas filtrate, the right side of the second connecting pipe is connected to the bottom of the interior of the purification tower, and the second connecting pipe is evenly distributed above the part of the interior of the purification tower. Multiple air outlets.

As a further scheme of the present invention: a first catalyst plate is installed above the interior of the purification tower, a second catalyst plate is installed above the first catalyst plate, a drying layer is installed above the second catalyst plate, and the purification tower is An exhaust pipe is installed in the upper middle.

Compared with the prior art, the utility model can increase the residence time and stroke of the flue gas in the heat exchange box by setting the tube bundle heat exchanger in a serpentine shape, so as to make the heat exchange more sufficient; The stroke of the water in the heat exchange box improves the heat exchange effect of the flue gas and water; the first filter screen, the second filter screen, the sponge pad and the activated carbon adsorption particles can be used together to prevent the dust and particle pollution in the flue gas. The first solenoid valve, the second solenoid valve, the first water level sensor, the second water level sensor and the temperature sensor can be used together to achieve heat exchange. The tank automatically adds water and discharges water, which is more convenient to use; through the coordinated use of the motor, rotating shaft, stirring rod and sharp corner protrusions, the flue gas filtrate can be homogenized to improve the purification effect, while sharp corners The protrusions can puncture the flue gas bubbles, so that the pollutants in the flue gas can be fully contacted with the flue gas filtrate.

Description of drawings

FIG. 1 is a schematic structural diagram of a flue gas treatment device of a steam boiler equipped with a scalp drying room.

Fig. 2 is a schematic cross-sectional structure diagram of a tube bundle heat exchanger in a flue gas treatment device of a steam boiler equipped with a scalp drying chamber.

FIG. 3 is a schematic structural diagram of a top section of a purification tower in a flue gas treatment device of a steam boiler equipped with a scalp drying room.

In the figure: 1, heat exchange box; 2, intake pipe; 3, tube bundle heat exchanger; 4, heat conduction fin; 5, partition plate; 6, first connecting pipe; 7, filter chamber; 8, first filter screen 9, the second filter screen; 10, the sponge block; 11, the activated carbon adsorption particles; 12, the water pipe; 13, the first solenoid valve; 14, the collection pipe; 17, second water level sensor; 18, temperature sensor; 19, second connecting pipe; 20, fan; 21, purification tower; 22, air outlet; 23, sewage outlet; 24, motor; 25, shaft; 26, stirring rod ; 27, pointed protrusion; 28, the third connecting pipe; 29, water pump; 30, atomizing nozzle; 31, liquid filling port; 32, the first catalyst plate; 33, the second catalyst plate; 34, drying layer; 35. Exhaust pipe.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Please refer to Figure 1-3, a flue gas treatment device for a steam boiler in a scalp drying room, including a heat exchange box 1, a tube bundle heat exchanger 3, a filter room 7, a first solenoid valve 13, a temperature sensor 18, and a purification tower 21. The stirring rod 26, the atomizing nozzle 30 and the drying layer 34; an air inlet pipe 2 is installed under the left side of the heat exchange box 1, a tube bundle heat exchanger 3 is installed on the right side of the air inlet pipe 2, and the tube bundle heat exchanger 3 Installed in the heat exchange box 1, a plurality of heat conduction fins 4 are evenly installed on the tube bundle heat exchanger 3, through the tube bundle heat exchanger 3, the flue gas entering the air intake pipe 2 and the water in the heat exchange box 1 can contact the area Larger, more efficient heat exchange, the tube bundle heat exchanger 3 is set in a serpentine shape, which can increase the residence time and stroke of the flue gas in the heat exchange box 1, and make the heat exchange more sufficient. A plurality of baffles 5 are alternately arranged on the inner wall. By arranging the baffles 5, the stroke of the water in the heat exchange box 1 can be increased, and the heat exchange effect between the flue gas and the water can be improved.

A water supply pipe 12 is installed on the upper right side of the heat exchange box 1 , a first solenoid valve 13 is installed on the water supply pipe 12 , a collection pipe 14 is installed under the right side of the heat exchange box 1 , and a second solenoid valve 14 is installed on the collection pipe 14 . The solenoid valve 15, the first solenoid valve 13 and the second solenoid valve 15 are all models of DMF-Z-40S. A temperature sensor 18 is installed in the middle of the left side of the heat exchange box 1. The model of the temperature sensor 18 is WRM-101. A first water level sensor 16 is installed on the upper right side inside the heat box 1 , a second water level sensor 17 is installed on the lower right side inside the heat exchange box 1 , the temperature sensor 18 and the second solenoid valve 15 are electrically connected through cables, and the first water level sensor 17 is installed on the lower right side inside the heat exchange box 1 . The solenoid valve 13 is electrically connected with the first water level sensor 16 and the second water level sensor 17 respectively through cables. When the temperature sensor 18 detects that the water temperature in the heat exchange tank 1 rises to a certain set value, the second solenoid valve 15 is opened. , the hot water is collected by the collecting pipe 14. When the water level in the heat exchange tank 1 drops to the second water level sensor 17, the first solenoid valve 13 is opened, and the water supply pipe 12 adds water to the heat exchange tank 1. When the heat exchange tank 1 When the water level inside rises to the first water level sensor 16 , the first solenoid valve 13 is closed, and the water supply pipe 12 stops adding water to the heat exchange tank 1 .

A filter chamber 7 is arranged above the heat exchange box 1, a first connection pipe 6 is installed on the upper left side of the tube bundle heat exchanger 3, and the upper part of the first connection pipe 6 is connected to the lower part of the left side of the filter chamber 7. A first filter screen 8 is installed in the middle of the chamber 7, a second filter screen 9 is installed above the first filter screen 8, a sponge block 10 is installed between the first filter screen 8 and the second filter screen 9, and the second filter screen 8 is installed. The top of the net 9 is filled with activated carbon adsorption particles 11. By setting the first filter screen 8, the second filter screen 9, the sponge block 10 and the activated carbon adsorption particles 11, the dust and particulate pollutants in the flue gas can be filtered and adsorbed, and the dust and particulate pollutants in the flue gas can be filtered and adsorbed. Preliminary purification of flue gas.

A second connecting pipe 19 is installed in the upper middle of the filter chamber 7, a fan 20 is installed on the second connecting pipe 19, the model of the fan 20 is YWF4E-630S, and a purification tower 21 is installed on the right side of the heat exchange box 1 to purify. The tower 21 is filled with flue gas filtrate, the right side of the second connecting pipe 19 is connected to the bottom of the interior of the purification tower 21, and a plurality of gas outlet nozzles 22 are evenly arranged above the part of the second connecting pipe 19 located inside the purification tower 21, By arranging a plurality of air outlet nozzles 22, the flue gas can be evenly contacted with the flue gas filtrate. A motor 24 is installed in the middle of the left side of the purification tower 21, and a rotating shaft 25 is installed on the right side of the motor 24. The upper and lower sides of the rotating shaft 25 are The cloth is installed with a plurality of stirring rods 26, and the left and right sides of the stirring rod 26 are provided with a plurality of pointed protrusions 27. By setting the stirring rods 26, the flue gas filtrate can be stirred and the flue gas filtrate can be homogenized. To improve the effect of purification, the flue gas bubbles can be punctured by the provided sharp-angled protrusions 27, so that the pollutants in the flue gas can be fully contacted with the flue gas filtrate.

A third connection pipe 28 is installed under the right side of the purification tower 21, a water pump 29 is installed on the third connection pipe 28, the model of the water pump 29 is ISIH50-32-125, and the top of the third connection pipe 28 is connected to the purification tower. In the middle of the interior of the purification tower 21, a plurality of atomizing nozzles 30 are installed evenly under the third connecting pipe 28 inside the purification tower 21. It is sprayed out and contacts with the flue gas overflowed by the flue gas purification liquid, and further purifies the flue gas. The liquid filling port 31 is installed on the upper left side of the purification tower 21, and the sewage outlet 23 is installed on the lower left side of the purification tower 21. A first catalyst plate 32 is installed above the inside of the tower 21, a second catalyst plate 33 is installed above the first catalyst plate 32, a drying layer 34 is installed above the second catalyst plate 33, and a row is installed above the purification tower 21. Trachea 35.

In the process of using the utility model, firstly, the flue gas generated by the boiler supporting the scalp drying room is transported into the tube bundle heat exchanger 3 through the intake pipe 2, and exchanges heat with the cold water in the heat exchange box 1, and the flue gas after heat exchange The air enters the filter chamber 7 through the first connecting pipe 6, and is filtered and adsorbed by the first filter screen 8, the sponge block 10, the second filter screen 9 and the activated carbon adsorption particles 11 for preliminary purification. The filtered flue gas is transported into the purification tower 21, so that the flue gas contacts the flue gas filtrate in the purification tower 21 for purification, and at the same time, the motor 24 drives the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring rod 26 to rotate, and the stirring rod 26 drives the tip The corner protrusions 27 rotate to stir the flue gas filtrate in the purification tower 21, and the sharp corner protrusions 27 break the air bubbles of the flue gas, so that the pollutants in the flue gas are fully contacted with the flue gas filtrate, and the water pump 29 The function of the filter is to spray the flue gas filtrate through the atomizing nozzle 30 to further purify the flue gas overflowing in the flue gas filtrate, and then the flue gas contacts the first catalyst plate 32 and the second catalyst plate 33 respectively. The carbon monoxide and nitrogen-containing harmful gases are catalyzed and catalyzed into harmless gases. The harmless gases are finally dried by the drying layer 34 and then discharged through the exhaust pipe 35 .

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The preferred embodiments of the present patent have been described in detail above, but the present patent is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present patent. kind of change.

Claims (5)

1. A flue gas treatment device of a steam boiler matched with a scalp drying chamber comprises a heat exchange box (1), a tube bundle heat exchanger (3), a filter chamber (7), a first electromagnetic valve (13), a temperature sensor (18), a purification tower (21), a stirring rod (26), an atomizing nozzle (30) and a drying layer (34), and is characterized in that an air inlet pipe (2) is installed below the left side of the heat exchange box (1), the tube bundle heat exchanger (3) is installed on the right side of the air inlet pipe (2), the tube bundle heat exchanger (3) is installed in the heat exchange box (1), a plurality of heat conduction fins (4) are uniformly distributed and installed on the tube bundle heat exchanger (3), the tube bundle heat exchanger (3) is in a serpentine spiral shape, and a plurality of partition plates (5) are arranged on the inner walls of the;

a water feeding pipe (12) is installed above the right side of the heat exchange box (1), a first electromagnetic valve (13) is installed on the water feeding pipe (12), a collecting pipe (14) is installed below the right side of the heat exchange box (1), a second electromagnetic valve (15) is installed on the collecting pipe (14), a temperature sensor (18) is installed in the middle of the left side of the heat exchange box (1), a first water level sensor (16) is installed above the right side of the interior of the heat exchange box (1), and a second water level sensor (17) is installed below the right side of the interior of the heat exchange box (1);

a filter chamber (7) is arranged above the heat exchange box (1), a first connecting pipe (6) is arranged above the left side of the tube bundle heat exchanger (3), the upper part of the first connecting pipe (6) is connected to the lower part of the left side inside the filter chamber (7), a first filter screen (8) is arranged in the middle inside the filter chamber (7), and a second filter screen (9) is arranged above the first filter screen (8);

a second connecting pipe (19) is arranged in the middle of the upper portion of the filtering chamber (7), a fan (20) is arranged on the second connecting pipe (19), a purifying tower (21) is arranged on the right side of the heat exchange box (1), a motor (24) is arranged in the middle of the left side of the purifying tower (21), a rotating shaft (25) is arranged on the right side of the motor (24), a plurality of stirring rods (26) are uniformly arranged on the upper side and the lower side of the rotating shaft (25), and a plurality of sharp-corner bulges (27) are arranged on the left side and the right side of each;

third connecting pipe (28) are installed to the below on purification tower (21) right side, install water pump (29) on third connecting pipe (28), the top of third connecting pipe (28) is connected to the inside centre of purification tower (21), a plurality of atomizer (30) are installed to the below equipartition that is located the inside third connecting pipe (28) of purification tower (21), filling opening (31) are installed to the left side top of purification tower (21), drain (23) are installed to the left side below of purification tower (21).

2. The flue gas treatment device of a steam boiler used with a scalp drying chamber according to claim 1, wherein the temperature sensor (18) and the second solenoid valve (15) are electrically connected through a cable, and the first solenoid valve (13) is electrically connected with the first water level sensor (16) and the second water level sensor (17) through cables respectively.

3. The flue gas treatment device of a steam boiler used with a scalp drying chamber according to claim 1, wherein a sponge block (10) is installed between the first filter screen (8) and the second filter screen (9), and activated carbon adsorption particles (11) are filled above the second filter screen (9).

4. The flue gas treatment device of the steam boiler matched with the scalp drying chamber as claimed in claim 1, wherein the purification tower (21) is filled with flue gas filtering liquid, the right side of the second connecting pipe (19) is connected to the lower part of the inside of the purification tower (21), and a plurality of gas outlet nozzles (22) are uniformly distributed above the part of the second connecting pipe (19) positioned in the inside of the purification tower (21).

5. The flue gas treatment device of a steam boiler used with a scalp drying chamber according to claim 1, wherein a first catalyst plate (32) is installed above the inside of the purification tower (21), a second catalyst plate (33) is installed above the first catalyst plate (32), a drying layer (34) is installed above the second catalyst plate (33), and an exhaust pipe (35) is installed in the middle above the purification tower (21).

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