CN218846614U

CN218846614U - Tail gas treatment is scouring cooling unit for equipment

Info

Publication number: CN218846614U
Application number: CN202222727272.4U
Authority: CN
Inventors: 张帅
Original assignee: Suzhou Xinyao Environmental Protection Technology Co ltd
Current assignee: Suzhou Xinyao Environmental Protection Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-11
Anticipated expiration: 2032-10-17

Abstract

The utility model belongs to the technical field of tail gas treatment device, a tail gas treatment device is with washing away cooling unit is related to, including the columniform cell body, the coaxial overflow section of thick bamboo that is provided with in the cell body, the peak of an overflow section of thick bamboo is less than the top edge of cell body, an overflow section of thick bamboo will the inside partition of cell body becomes to lean on outer retaining chamber and leans on interior chamber of giving vent to anger, the bottom surface center of the chamber of giving vent to anger is equipped with the aqueous vapor export, the lateral wall in retaining chamber is equipped with the water inlet, the inner wall of an overflow section of thick bamboo is equipped with the guide plate of infundibulate, the lower part of guide plate have towards the round hole of aqueous vapor export, the bore of round hole is not less than the bore of aqueous vapor export just is less than the internal diameter of an overflow section of thick bamboo. The utility model discloses not only can utilize the retaining chamber to play the thermal-insulated effect of water, can also utilize the guide plate to strengthen the heat transfer of cracked gas and cooling water and trade the matter process, promote the efficiency that the heat transfer traded the matter.

Description

Tail gas treatment is scouring cooling unit for equipment

Technical Field

The utility model relates to a tail gas treatment equipment technical field, in particular to tail gas treatment equipment is with washing away cooling unit.

Background

In chemical engineering tail gas, macromolecular components in some tail gas can be converted into absorbable gas through decomposition, so heating decomposition equipment is needed, and then water-soluble components after decomposition are removed in a spraying adsorption mode.

One of the existing tail gas treatment devices is to introduce chemical tail gas from top to bottom, perform high-temperature or plasma cracking reaction on the upper part, and absorb impurities in cracked gas by using cooling water on the lower part. Because the cracking reaction has very high temperature, the water-cooled absorption part is made into a structure that the water enters the outer cavity and the water exits from the inner cavity, so that the heat insulation is finished, and the heat exchange and quality change process with the cracking gas is also realized. In this arrangement, the outer chamber is separated from the inner chamber by an overflow cartridge, through which cooling water can overflow from the outer chamber into the inner chamber, while heat exchange mass transfer takes place primarily in the inner chamber. However, the cooling water overflowing into the overflow cylinder generally only flows downwards along the inner wall of the cylinder, and the contact between the downward flowing cracked gas and the cooling water on the wall is relatively limited, which results in low heat exchange efficiency, and the cracked gas can be further treated by using relatively more spray water.

There is a need for an improved structure of an exhaust gas decomposition device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a tail gas treatment facility is with scouring and cooling unit can make the better heat transfer of cooling water and cracked gas trade the matter, improve equipment's treatment effect.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a tail gas treatment device is with scouring and cooling unit, includes the columniform cell body, the internal coaxial overflow section of thick bamboo that is provided with of cell, the peak of an overflow section of thick bamboo is less than the top edge of cell body, an overflow section of thick bamboo will the internal partitioning of cell body becomes to lean on outer retaining chamber and leans on interior chamber of giving vent to anger, the bottom surface center of giving vent to anger the chamber is equipped with the aqueous vapor export, the lateral wall in retaining chamber is equipped with the water inlet, the inner wall of an overflow section of thick bamboo is equipped with the guide plate of infundibulate, the lower part of guide plate have towards the round hole of aqueous vapor export, the bore of round hole is not less than the bore of aqueous vapor export just is less than the internal diameter of an overflow section of thick bamboo.

Specifically, the guide plate is provided withSeveral passage areas of 1-4mm ² And (4) a leak hole.

Further, the guide plate is of a network structure.

Specifically, the upper edge of the tank body is provided with an inner step for positioning and placing the water retaining cover plate, the middle part of the water retaining cover plate is provided with a through hole for air to pass through downwards, and the water storage cavity is positioned in the lower projection range of the water retaining cover plate.

Furthermore, the water retaining cover plate comprises an annular surface and a conical surface part extending downwards from the center of the annular surface to the air outlet cavity, and the highest point of the overflow cylinder is located between the bottom of the annular surface and the bottom edge of the conical surface part.

The utility model discloses technical scheme's beneficial effect is:

this wash cooling unit injects the cooling water through the water inlet in water storage chamber, and the aqueous vapor export of going out gas cavity 11 lets cracked gas and cooling water flow out, flows toward the water tank, and water storage chamber plays the thermal-insulated effect of water, goes out the gas cavity and makes cracked gas and cooling water carry out the heat transfer and trade the matter. The guide plate makes the overflow get into the middle of an overflow section of thick bamboo that the cooling water flows toward an overflow section of thick bamboo to form the liquid film that flows in the top of an overflow section of thick bamboo, and the cracked gas also can be concentrated toward the centre before passing the aqueous vapor export, and the liquid film also just in time carries out abundant contact with the cracked gas, so just so improved the mixture of cracked gas and cooling water, promoted the efficiency that the heat transfer traded matter then.

Drawings

FIG. 1 is a half sectional view of a flushing and cooling unit for a tail gas treatment device according to an embodiment;

FIG. 2 is a top view of the exhaust gas treatment device of the embodiment with the water-retaining cover plate removed by the flushing and cooling unit.

The figures in the drawings represent:

1-groove body, 11-air outlet cavity, 111-water outlet, 12-water storage cavity, 121-water inlet and 13-inner step;

2-overflow cylinder, 21-guide plate, 211-round hole, 212-leak hole;

3-water retaining cover plate, 31-ring surface and 32-conical surface part.

Detailed Description

The present invention will be described in further detail with reference to specific examples.

Example (b):

as shown in fig. 1 and 2, the utility model discloses a tail gas treatment equipment is with scouring and cooling unit, including columniform cell body 1, the coaxial overflow section of thick bamboo 2 that is provided with in the cell body 1, the peak of an overflow section of thick bamboo 2 is less than the top edge of cell body 1, overflow section of thick bamboo 2 becomes the interior partition of cell body 1 and leans on outer retaining chamber 12 and leans on interior air outlet chamber 11, air outlet chamber 11's bottom surface center is equipped with aqueous vapor export 111, the lateral wall of retaining chamber 12 is equipped with water inlet 121, overflow section of thick bamboo 2's inner wall is equipped with the guide plate 21 of infundibulate, guide plate 21's lower part has the round hole 211 towards aqueous vapor export 111, the bore of round hole 211 is not less than aqueous vapor export 111 bore and is less than overflow section of thick bamboo 2's internal diameter. This wash cooling unit injects the cooling water through the water inlet 121 of retaining chamber 12, and the aqueous vapor export 111 of going out the gas chamber 11 lets cracked gas and cooling water flow out, flows toward the water tank, and retaining chamber 12 plays the thermal-insulated effect of water, goes out the gas chamber 11 and makes cracked gas and cooling water carry out the heat transfer and trade the matter. Guide plate 21 makes the overflow get into the cooling water of an overflow section of thick bamboo 2 and flows toward the centre of an overflow section of thick bamboo 2 to form the liquid film that flows in the top of an overflow section of thick bamboo 2, and the cracked gas also can be concentrated toward the centre before passing vapor outlet 111, and the liquid film also just in time carries out abundant contact with the cracked gas, so just so improved the mixture of cracked gas and cooling water, promoted the heat transfer and traded the efficiency of matter then. After heat exchange and quality change, impurities can be taken away by cooling water, and the circular hole 211 allows the absorbed cooling water to continuously fall, so that the impurities cannot be on the guide plate 21, and the blockage is not needed to cause unsmooth airflow.

As shown in figure 2, a plurality of guide plates 21 with the passing area of 1-4mm are arranged on the guide plate ² A weep hole 212. The presence of the baffle 21 increases the gas flow resistance, but the presence of the leakage orifice 212 allows the flow resistance to decrease again. And a plurality of bubbling points can be generated on the liquid film through the small-area leakage holes 212, and part of the cracked gas passes through the leakage holes 212 and reaches the back of the guide plate 21 to be in better contact with cooling water, so that the heat exchange and quality change efficiency is further optimized. However, the passing area of the leaking holes 212 is not small enough, otherwise the large leaking holes are easy to trap the cracked gasParticulate impurities, which can cause the orifice 212 to lose effectiveness after plugging.

As shown in fig. 2, the baffle 21 is a network structure. The guide plate 21 can directly adopt a filter screen structure with interlaced thin lines without punching holes on the complete guide plate 21 as long as the passing area of each leak hole 212 meets the requirement.

As shown in fig. 1 and 2, the upper edge of the tank body 1 is provided with an inner step 13 for positioning and placing the water-retaining cover plate 3, the middle part of the water-retaining cover plate 3 is provided with a through hole for air to pass through downwards, and the water storage cavity 12 is positioned in the lower projection range of the water-retaining cover plate 3. The water retaining cover plate 3 is used for preventing cooling water from splashing into a heating cavity of the tail gas treatment equipment and reducing the corrosion of the heating device.

As shown in fig. 1, the water retaining cover plate 3 includes a ring surface 31 and a tapered surface portion 32 extending downward from the center of the ring surface 31 into the air outlet cavity 11, and the highest point of the overflow cylinder 2 is located between the bottom of the ring surface 31 and the bottom edge of the tapered surface portion 32. The highest water level of the water storage cavity 12 does not exceed the height of the overflow cylinder 2, and the conical surface part 32 basically shields the water overflow direction, so that the water retaining effect is better.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which all fall within the scope of the invention.

Claims

1. The utility model provides a tail gas treatment facility is with washing away cooling unit, includes the columniform cell body, the coaxial overflow section of thick bamboo that is provided with in the cell body, the peak of an overflow section of thick bamboo is less than the top edge of cell body, an overflow section of thick bamboo will the inside partition of cell body becomes to lean on outer retaining chamber and lean on interior chamber of giving vent to anger, the bottom surface center of the chamber of giving vent to anger is equipped with the aqueous vapor export, the lateral wall in retaining chamber is equipped with water inlet, its characterized in that: the inner wall of the overflow cylinder is provided with a funnel-shaped guide plate, the lower part of the guide plate is provided with a round hole facing the water vapor outlet, and the caliber of the round hole is not smaller than the caliber of the water vapor outlet and smaller than the inner diameter of the overflow cylinder.

2. The washout cooling unit for the exhaust gas treatment device according to claim 1, characterized in that: the guide plate is provided with a plurality of passage areas of 1-4mm ² And (4) a leak hole.

3. The exhaust gas treatment device flushing cooling unit according to claim 2, characterized in that: the guide plate is of a network structure.

4. The flushing and cooling unit for the tail gas treatment equipment according to claim 1, wherein: the upper edge of the tank body is provided with an inner step for positioning and placing the water retaining cover plate, the middle part of the water retaining cover plate is provided with a through hole for air to pass downwards, and the water storage cavity is positioned in the lower projection range of the water retaining cover plate.

5. The washout cooling unit for the exhaust gas treatment device according to claim 4, wherein: the water retaining cover plate comprises a ring surface and a conical surface portion extending downwards from the center of the ring surface to the air outlet cavity, and the highest point of the overflow cylinder is located between the bottom of the ring surface and the bottom edge of the conical surface portion.