CN209378696U - Exhaust gas spraying structure of a setting machine - Google Patents

Abstract

The utility model relates to a waste gas spray structure of a setting machine, relates to the technical field of waste gas treatment equipment of a setting machine, and comprises a spray tower, the side wall of the spray tower close to the bottom is connected with a cooling box through a water outlet pipe, the said spray tower The outlet pipe is equipped with a first water pump, the bottom of the cooling box is provided with a water inlet pipe connected to the water spray pipe in the spray tower and equipped with a second water pump, and the side walls of the opposite sides of the cooling box are provided with ventilation The cooling box is provided with a blower and an exhaust fan respectively at the two vents. The utility model cools the spray liquid through the blower and the exhaust fan, thereby reducing the temperature of the spray liquid, so that the spray liquid can continuously cool down the waste gas, so that the electrostatic generator behind can better remove the waste gas. Oil, so that the discharged exhaust gas is relatively clean, greatly reducing the damage to the environment.

Description

Exhaust gas spraying structure of a setting machine

technical field

The utility model relates to the technical field of exhaust gas treatment equipment of a setting machine, in particular to an exhaust gas spraying structure of a setting machine.

Background technique

At present, the setting machine is the key equipment for textile printing and dyeing finishing. In the process of fabric heat setting, the temperature is high, so a large amount of high-temperature gas will be generated in the oven of the setting machine. The high-temperature gas contains organic oil, dyes, dye auxiliaries, lubricating oil, fiber particles and other pollutants. The waste gas produced is treated and discharged to protect the environment.

The Chinese utility model whose notification number is CN206404543U discloses a waste gas treatment device of a setting machine, which includes a spray tower, and also includes a circle of liquid storage tanks arranged on the inner wall of the spray tower, which is hemispherical and the lower end edge is located in the storage tank. A deflector in the liquid tank for introducing waste gas into the liquid storage tank, a spray layer arranged above the liquid storage tank and the deflector, and a water spray pipe is installed in the spray layer; The outside of the spray tower is also provided with a water pump connected to the water spray pipe. The water pump is connected to the circulating water pool through the water pipe, and is used to transport the spray liquid in the circulating water pool to the water spray pipe in the spray layer; the upper end of the spray tower A first exhaust gas outlet is provided, and the exhaust gas treatment device of the sizing machine also includes an electrostatic tower, a second exhaust gas inlet arranged at the lower end of the electrostatic tower and connected to the first exhaust gas outlet, and an electrostatic tower installed in the electrostatic tower. A generator and a second waste gas outlet arranged at the upper end of the electrostatic tower. The utility model adopts the downward spraying spray liquid in the spray tower to cool down, absorb and purify the exhaust gas of the setting machine, and then pass it into the electrostatic tower to remove oil through the electrostatic generator.

The above existing technical solutions have the following defects: due to the high temperature of the exhaust gas, when the spray liquid sprays the waste gas, the temperature of the spray liquid will rise, and the spray liquid has been circulating in the spray tower through the water pump, As a result, the temperature of the spray liquid will become higher and higher, and the cooling effect on the exhaust gas will gradually become worse, resulting in a higher temperature of the exhaust gas passing into the electrostatic tower, so that the degreasing effect of the electrostatic generator on the exhaust gas will be greatly weakened, resulting in from The exhaust gas discharged from the second exhaust gas outlet still has a lot of organic oil, which will cause damage to the environment.

Utility model content

The purpose of this utility model is to provide a waste gas spraying structure of a sizing machine, which cools the spray liquid through the blower and the exhaust fan, thereby reducing the temperature of the spray liquid, so that the spray liquid can continuously cool the waste gas, thereby The electrostatic generator behind can degrease the exhaust gas well, so that the discharged exhaust gas is relatively clean, and the damage to the environment is greatly reduced.

The above-mentioned purpose of the invention of the utility model is achieved through the following technical solutions:

A waste gas spray structure for a setting machine, comprising a spray tower, the side wall of the spray tower near the bottom is connected to a cooling box through a water outlet pipe, the water outlet pipe is equipped with a first water pump, and the bottom of the cooling box is provided with a The water inlet pipe of the second water pump is connected with the water spray pipe in the spray tower, and the side walls of the opposite sides of the cooling box are provided with ventilation openings, and the cooling box is located at the two ventilation openings. A blower and an exhaust fan are respectively provided.

By adopting the above technical scheme, the spray liquid in the spray tower is pumped into the cooling box through the water outlet pipe, and the air flow in the cooling box is accelerated through the action of the blower and the exhaust fan. When the spray liquid falls from the outlet of the water pipe When spraying, a large amount of heat in the spray liquid can be taken away, thereby reducing the temperature of the spray liquid, and the cooled water is pumped into the spray pipe through the water inlet pipe to continue spraying. The blower and exhaust fan cool down the spray liquid, thereby reducing the temperature of the spray liquid, so that the spray liquid can continuously cool down the exhaust gas, so that the electrostatic generator behind can better degrease the exhaust gas, thereby It can make the discharged exhaust gas relatively clean, greatly reducing the damage to the environment.

Preferably, the water outlet pipe is connected to the top of the cooling box, the water inlet pipe is connected to the bottom of the cooling box, and the cooling box is located below the outlet of the water outlet pipe and at the vent A cone-shaped splitter plate is provided above.

By adopting the above technical solution, since the spray liquid falls from the water outlet pipe to the cooling box in a concentrated manner, the middle position of the spray liquid cannot contact the air, resulting in a small cooling range of this part of the spray liquid. Through the setting of the splitter plate, the falling spray liquid is dispersed. When the spray liquid falls from the splitter plate, the contact area with the air is greatly increased, which speeds up the heat exchange between the spray liquid and the air, thereby increasing the cooling speed of the spray liquid. .

Preferably, the distribution plate is provided with distribution holes.

By adopting the above technical scheme, part of the spray liquid falling on the distribution plate can fall through the distribution hole, and the spray liquid is divided into multiple parts, and the spray liquid falling from the distribution hole can also exchange heat with the air, increasing the The heat exchange path with the air can further improve the cooling effect of the spray liquid.

Preferably, an impeller is rotatably installed on the top of the splitter plate, and the rotation plane of the impeller is horizontal, and an inclined downward splash guard is provided on the inner wall of the cooling box above the ventilation opening.

By adopting the above technical scheme, the setting of the impeller can scatter part of the spray liquid falling from the outlet pipe, so that the spray liquid can fully contact with the air first, and then fall, thereby increasing the heat exchange path with the air again, so that further Improve the cooling effect of spray liquid.

Preferably, a filter is provided at the air inlet of the blower.

By adopting the above technical solution, due to the presence of dust in the air, the dust will be absorbed by the spray liquid after entering the cooling box, which may cause blockage of the water spray pipe. Through the setting of the filter screen, the probability of dust outside the cooling box entering into the cooling box is reduced, thereby reducing the probability of blocking the water spray pipe.

Preferably, the water outlet pipe includes a water outlet section connected to the side wall near the bottom of the spray tower, a water inlet section connected to the top of the cooling box, and a water outlet section connected to the water inlet section. and a plurality of dispersion pipes arranged at intervals, the inner diameter of the water outlet section is equal to the inner diameter of the water inlet section, and the inner diameter of the dispersion pipe is smaller than the inner diameter of the water outlet section; the first water pump is installed on the water outlet section paragraph.

By adopting the above technical scheme, water enters multiple dispersion pipes from the water inlet section, and the contact area between the sum of the outer walls of the multiple dispersion pipes and the air is larger than that of a single pipe, thus speeding up the process. The heat exchange between the wall of the dispersing tube and the air can accelerate the heat dissipation and the heat dissipation speed of the spray liquid.

Preferably, the dispersion pipe is made of aluminum pipe.

By adopting the above technical solution, the aluminum tube has better thermal conductivity, and the heat exchange speed with the spray liquid and the air respectively is faster, so that the heat dissipation speed of the spray liquid is also faster, thereby accelerating the heat dissipation of the spray liquid.

Preferably, the water inlet pipe is provided with a helical section, a water tank is provided on one side of the spray tower, the water tank is filled with water, and the helical section is immersed in the water in the water tank.

By adopting the above technical scheme, the setting of the spiral section can prolong the time of the spray liquid in the water inlet pipe, and through the setting of the water tank, the heat exchange between the water in the water tank and the water inlet pipe can be accelerated, thereby improving the heat dissipation of the spray liquid speed.

In summary, the beneficial technical effects of the utility model are:

1. The blower and exhaust fan cool down the spray liquid, thereby reducing the temperature of the spray liquid, so that the spray liquid can continuously cool down the exhaust gas, so that the electrostatic generator behind can better degrease the exhaust gas , so that the discharged exhaust gas is relatively clean, greatly reducing the damage to the environment;

2. Through the setting of the diverter plate, the falling spray liquid is dispersed. When the spray liquid falls from the diverter plate, the contact area with the air is greatly increased, and the heat exchange between the spray liquid and the air is accelerated, thereby improving the spray liquid. cooling rate;

3. Through the setting of the dispersing pipe, the heat exchange area with the air is increased, so that the heat dissipation speed of the spray liquid can be improved.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the present utility model;

Fig. 2 is a partial sectional view of the utility model, in which the cooling box is sectioned;

Fig. 3 is an enlarged view of part A in Fig. 2 .

Reference signs: 1, spray tower; 11, frame; 2, cooling box; 21, water outlet pipe; 211, water outlet section; 212, water inlet section; 213, dispersion pipe; 22, first water pump; 23, inlet Water pipe; 231, spiral section; 232, sink; 24, second water pump; 25, air vent; 261, exhaust fan; 262, blower; 263, filter screen; 271, column; 272, splitter plate; 273, splitter hole; 28, impeller; 29, splash guard.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

A waste gas spraying structure of a setting machine, referring to Fig. 1, includes a spray tower 1, and a water spray pipe is arranged in the spray tower 1. One side of the spray tower 1 is provided with a frame 11, the frame 11 is provided with a cooling box 2, and the water outlet pipe 21 connected between the spray tower 1 and the cooling box 2, the water outlet pipe 21 includes a water outlet section 211, a water inlet section 212 and multiple root dispersing pipe 213, the dispersing pipe 213 adopts aluminum tube; One end of the water outlet section 211 is fixedly connected to the side wall near the bottom of the spray tower 1, and is provided with a first water pump 22; one end of the water inlet section 212 is fixedly arranged on the top of the cooling box 2, and the two ends of the multiple dispersion pipes 213 are respectively It is fixedly connected with the other end of the water outlet section 211 and the other end of the water inlet section 212 .

Referring to Fig. 2, the bottom end of the cooling box 2 is connected with a water inlet pipe 23, and the other end of the water inlet pipe 23 is connected with the water spray pipe in the spray tower 1, and a second water pump 24 is installed on the water inlet pipe 23. A water tank 232 is arranged on the ground, and the water tank 232 is filled with water. The water inlet pipe 23 between the cooling box 2 and the second water pump 24 is provided with a helical section 231 , and the helical section 231 is immersed in water in the water tank 232 to absorb the heat transmitted from the water inlet pipe 23 .

With reference to Fig. 3, a relative horizontal both sides of the cooling box 2 are provided with ventilation openings 25, and on the outer wall of the cooling box 2 and located at the two ventilation openings 25, an exhaust fan 261 and an air blower 262 are respectively provided for accelerating the cooling of the cooling box 2. air flow inside. The air inlet of the blower 262 is fixed with a filter screen 263 to reduce the probability of dust entering the cooling box 2; the spray liquid falls from the outlet section 211 to the bottom of the cooling box 2, and then flows from the bottom of the cooling box 2 to the water inlet pipe 23 .

Referring to Fig. 3, four vertical columns 271 are fixedly arranged on the inner bottom surface of the cooling box 2 and below the outlet of the water outlet pipe 21. Shape splitter plate 272, the top of splitter plate 272 is directly below the outlet of water outlet pipe 21, and the lower end of splitter plate 272 is positioned at the top of air vent 25. An impeller 28 is arranged on the top of the splitter plate 272 through a rotating shaft, and the rotation plane of the impeller 28 is horizontal. The distribution plate 272 is also provided with vertical distribution holes 273 for dispersing the spray liquid.

On the inner wall of the cooling box 2 and above the vent 25, a splash guard 29 that is inclined downward is provided. The lower end of the splash guard 29 is above the lower end of the splitter plate 272, and the vertical projection of the splitter plate 272 can cover The splash guard 29 is away from one end of the inner wall of the cooling box 2 .

The working principle of this embodiment:

During use, the spray liquid in the spray tower 1 enters the water spray pipe through the water outlet section 211, the dispersing pipe 213, the water inlet section 212, the cooling box 2, and the water inlet pipe 23 to carry out circular spraying. In the figure, it passes through the heat dissipation of the dispersing pipe 213, the heat dissipation of the blower 262 and the exhaust fan 261, and the heat dissipation of the helical section 231 in the water inlet pipe 23 in sequence. After entering the cooling box 2, the impeller 28 breaks up the spray liquid. Some of the spray liquid falls along the splitter plate 272, and some falls from the splitter hole 273 of the splitter plate 272. During the falling process, it is fully mixed with the flowing air. contact, the heat is taken away in large quantities.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (8)

1. A waste gas spraying structure of a sizing machine, comprising a spray tower (1), characterized in that the side wall of the spray tower (1) near the bottom is connected with a cooling box (2) by an outlet pipe (21) , the outlet pipe (21) is equipped with a first water pump (22), and the bottom of the cooling box (2) is provided with a water spray pipe communicating with the spray tower (1) and equipped with a second water pump (24). ), the sidewalls on opposite sides of the cooling box (2) are provided with ventilation openings (25), and the cooling box (2) is located at the two ventilation openings (25) respectively. A blower (262) and an exhaust fan (261) are arranged. 2. The exhaust gas spray structure of a setting machine according to claim 1, characterized in that: the outlet pipe (21) is connected to the top of the cooling box (2), and the water inlet pipe (23) is connected to At the bottom of the cooling box (2), a cone-shaped shunt is arranged in the cooling box (2) below the outlet of the water outlet pipe (21) and above the vent (25). board (272). 3. The waste gas spraying structure of a sizing machine according to claim 2, characterized in that: said splitter plate (272) is provided with splitter holes (273). 4. The exhaust gas spraying structure of a setting machine according to claim 2, characterized in that: the top of the splitter plate (272) is rotatably mounted with an impeller (28), and the rotation plane of the impeller (28) is horizontal , and on the inner wall of the cooling box (2) and above the vent (25), a splash guard (29) inclined downward is provided. 5. The exhaust gas spraying structure of a setting machine according to claim 1, characterized in that: a filter screen (263) is arranged at the air inlet of the blower (262). 6. The waste gas spray structure of a setting machine according to claim 1, characterized in that: the water outlet pipe (21) includes a water outlet section connected to the side wall near the bottom of the spray tower (1) (211), a water inlet section (212) connected to the top of the cooling box (2), a plurality of dispersion pipes that connect the water outlet section (211) and the water inlet section (212) and are arranged at intervals (213), the inner diameter of the water outlet section (211) is equal to the inner diameter of the water inlet section (212), and the inner diameter of the dispersion pipe (213) is smaller than the inner diameter of the water outlet section (211); the first The water pump (22) is installed on the water outlet section (211). 7. The waste gas spraying structure of a setting machine according to claim 6, characterized in that: said dispersing pipe (213) is made of aluminum pipe. 8. The exhaust gas spraying structure of a setting machine according to claim 1, characterized in that: the water inlet pipe (23) is provided with a spiral section (231), and one side of the spray tower (1) is provided with a A water tank (232), the water tank (232) is filled with water, and the spiral segment (231) is immersed in the water in the water tank (232).