CN215276419U - Tail gas treatment device of granulator drying equipment - Google Patents
Tail gas treatment device of granulator drying equipment Download PDFInfo
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- CN215276419U CN215276419U CN202022241413.2U CN202022241413U CN215276419U CN 215276419 U CN215276419 U CN 215276419U CN 202022241413 U CN202022241413 U CN 202022241413U CN 215276419 U CN215276419 U CN 215276419U
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Abstract
The utility model relates to a tail gas treatment device of a drying device of a granulator, which comprises a device body (1) and a dust treatment device (3) which are connected with each other; the dust treatment device (3) comprises a powder adsorption plate (4), a filter screen (5) and a guide plate (6), and the dust treatment device (3) is divided into a dust collection bin (31), a dust purification bin (32) and a filtering bin (33) by the three; a blower (7) is arranged in the dust purification bin (32), and a back-blowing device (8) is arranged in the filtering bin (33); the dust treatment device (3) is connected with the water cooling tank (10); the water cooling tank (10) is connected with the neutralizing tower (12), and a waste liquid pool (13), a first filter layer (14), a second filter layer (15) and a spray pipe (16) are arranged in the neutralizing tower (12). The utility model has the advantages that guarantee the patency of admission line, reduce tail gas temperature when tail gas purification, improve tail gas purification efficiency and quality.
Description
Technical Field
The utility model belongs to the technical field of granulator tail gas treatment equipment technique and specifically relates to a granulator drying equipment tail gas processing apparatus.
Background
Granulator is at the granulation in-process, can produce a certain amount of acid-base gas mixture and dust, direct emission can cause the pollution to the atmosphere, simultaneously through high temperature drying after, gaseous temperature sharply risees, general tail gas processing apparatus though can purify the evacuation to tail gas to a certain extent, however, long-term back of using, granulator drying equipment's the straight section of gas outlet can gather a large amount of dust, cause the pipe blockage, influence tail gas treatment efficiency and quality, furthermore, because the tail gas temperature is higher, if directly get into processing apparatus, can cause serious harm to clarification plant, shorten the life and the purifying effect of equipment, thereby make the effect of tail gas treatment not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is exactly in order to solve the problem that current tail gas processing apparatus easily blockked up, is easily destroyed by high temperature, provides a granulator drying equipment tail gas processing apparatus, not only can collect the dust granule that contains in the tail gas, guarantees the patency of admission line, but also can reduce tail gas temperature when purifying tail gas, improves tail gas purification efficiency and quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tail gas treatment device of drying equipment of a granulator comprises an equipment body, wherein the upper part of the equipment body is connected with an exhaust pipe, the exhaust pipe comprises a connecting pipe which is inclined downwards, and the connecting pipe is connected with a dust treatment device and used for pretreating dust particles in the tail gas;
the dust treatment device comprises a powder adsorption plate with one side inclined downwards, the higher side of the powder adsorption plate is just connected with the lower end of the connecting pipe, the lower side of the powder adsorption plate is connected with a vertical filter screen and a guide plate with one side inclined upwards, and the powder adsorption plate, the filter screen and the guide plate just divide the dust treatment device into three cavities, namely an upper dust collection bin, a lower dust purification bin and a filtering bin;
a group of air blowers is arranged in the dust purification bin, and air outlets of the air blowers are arranged right opposite to the powder adsorption plate and used for blowing the powder in the tail gas upwards to the powder adsorption plate;
a group of back-blowing devices are arranged in the filter bin, and back-blowing ports of the back-blowing devices are arranged right opposite to the filter screen and used for cleaning the filter screen regularly and keeping the filter screen smooth;
one side of the dust treatment device is connected with an air outlet pipe, one end of the air outlet pipe is right opposite to the higher side of the guide plate, the other end of the air outlet pipe extends into the bottom of a water cooling tank, and water cooling liquid is arranged in the water cooling tank and used for cooling tail gas and neutralizing acid gas contained in the tail gas;
the upper part of the water cooling tank is connected with the middle part of a neutralization tower through a pipeline, the bottom of the neutralization tower is provided with a waste liquid pool, the upper part of the neutralization tower is provided with a first filter layer and a second filter layer, the first filter layer is made of a honeycomb porous material containing neutralization liquid, a group of spray pipes are connected in the neutralization tower which is right opposite to the upper part of the second filter layer, and each spray pipe is provided with a group of capillary tubes for atomizing and spraying the neutralization liquid through the capillary tubes.
Furthermore, the included angle alpha between the connecting pipe and the horizontal direction is 30-45 degrees.
Furthermore, the included angle beta between the powder adsorption plate and the horizontal direction is 15-35 degrees.
Further, the included angle theta between the guide plate and the horizontal direction is 30 degrees.
Further, the water-cooling liquid is a weak alkaline liquid.
The technical scheme of the utility model, pipeline design and add the dust treatment device through the slope, the condition of follow-up pipeline jam has been alleviateed, make tail gas treatment device can normal use, tail gas passes through during the connecting pipe directly gets into the dust treatment device, dust in the tail gas is upwards blown to the powder adsorption plate by the air-blower, then tail gas passes through the filter screen backward and gets into in the filtration storehouse, upwards get into cooling and deacidification in the water-cooling tank along the guide plate, get into by neutralization tower middle part after that, carry out neutralization treatment once through porous material, then upwards pass the filter screen, carry out secondary neutralization treatment under the neutralization liquid of shower sprays, discharge from the top of neutralization tower at last. The utility model discloses a tail gas processing apparatus not only can collect the dust granule that contains in the tail gas, guarantees the patency of admission line, but also can reduce tail gas temperature when tail gas purification, improves tail gas purification efficiency and quality.
Drawings
Figure 1 is the utility model discloses a granulator drying equipment tail gas processing apparatus's block diagram.
Detailed Description
Example 1
For the purpose of making the present invention clearer, the following description is made with reference to the accompanying drawings, and the present invention is further described, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
As shown in figure 1, a granulator drying equipment tail gas processing apparatus, including equipment body 1, the upper portion of equipment body 1 even has an exhaust pipe 2, its characterized in that:
the exhaust pipe 2 comprises a connecting pipe 2a which is inclined downwards, the included angle alpha between the connecting pipe 2a and the horizontal direction is 45 degrees, and the connecting pipe 2a is connected with a dust treatment device 3 so as to be used for pretreating dust particles in the tail gas;
the dust treatment device 3 comprises a powder adsorption plate 4 with one side inclined downwards, the included angle beta between the powder adsorption plate 4 and the horizontal direction is 30 degrees, the higher side of the powder adsorption plate 4 is just connected with the lower end of the connecting pipe 2a, the lower side of the powder adsorption plate is connected with a vertical filter screen 5 and a guide plate 6 with one side inclined upwards, and the included angle theta between the guide plate 6 and the horizontal direction is 30 degrees;
the powder material adsorption plate 4, the filter screen 5 and the guide plate 6 just divide the dust treatment device 3 into three cavities, namely an upper dust collection bin 31, a lower dust purification bin 32 and a filter bin 33;
a group of air blowers 7 are arranged in the dust purification bin 31, and air outlets of the air blowers 7 are arranged right opposite to the powder adsorption plate 4 and used for blowing powder in tail gas upwards onto the powder adsorption plate;
a group of back-blowing devices 8 are arranged in the filter bin 33, and back-blowing ports of the back-blowing devices 8 are arranged right opposite to the filter screen 5 and used for cleaning the filter screen regularly and keeping the filter screen smooth;
one side of the dust treatment device 3 is connected with an air outlet pipe 9, one end of the air outlet pipe 9 is right opposite to the higher side of the guide plate 6, the other end of the air outlet pipe extends into the bottom of a water cooling tank 10, and weak alkaline water cooling liquid 11 is arranged in the water cooling tank 10 and used for cooling the tail gas and neutralizing acid gas contained in the tail gas;
the upper part of the water cooling tank 10 is connected with the middle part of a neutralization tower 12 through a pipeline, the bottom of the neutralization tower 12 is provided with a waste liquid pool 13, the upper part of the neutralization tower 12 is provided with a first filter layer 14 and a second filter layer 15, the first filter layer 14 is made of a honeycomb porous material containing neutralization liquid, a group of spray pipes 16 are connected in the neutralization tower 12 which is right above the second filter layer 15, and each spray pipe 16 is provided with a group of capillary tubes 17 for atomizing and spraying out the neutralization liquid through the capillary tubes.
In the utility model, the powder adsorption plate 4 can be periodically replaced and cleaned at regular time by opening and closing the dust collection bin 31, so as to ensure the normal work of the powder adsorption plate 4; meanwhile, due to the inclined pipeline design and the additionally arranged dust treatment device 3, the condition of subsequent pipeline blockage is reduced, and the tail gas treatment device can be normally used.
During the use, tail gas directly gets into dust treatment device 3 through connecting pipe 2a, the dust in the tail gas is upwards blown to powder adsorption plate 4 by air-blower 7, then tail gas passes through filter screen 5 backward and gets into in filtering storehouse 33, upwards get into cooling and deacidification in water-cooling tank 10 along guide plate 6, get into by neutralization tower 12 middle part after that, carry out primary neutralization treatment through porous material, then upwards pass the filter membrane, carry out secondary neutralization treatment under the neutralization liquid spraying of shower, discharge from the top of neutralization tower at last.
The utility model discloses a tail gas processing apparatus not only can collect the dust granule that contains in the tail gas, guarantees the patency of admission line, but also can reduce tail gas temperature when tail gas purification, improves tail gas purification efficiency and quality.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (5)
1. The utility model provides a granulator drying equipment tail gas processing apparatus, includes equipment body (1), even has an blast pipe (2) on it, its characterized in that:
the exhaust pipe (2) comprises a connecting pipe (2a) which is inclined downwards, and the connecting pipe (2a) is connected with a dust treatment device (3);
the dust treatment device (3) comprises a powder adsorption plate (4) with one side inclined downwards, the higher side of the powder adsorption plate (4) is just connected with the lower end of the connecting pipe (2a), the lower side of the powder adsorption plate is connected with a vertical filter screen (5) and a guide plate (6) with one side inclined upwards, the powder adsorption plate (4), the filter screen (5) and the guide plate (6) just divide the dust treatment device (3) into three cavities which are respectively a dust collection bin (31) at the upper part, a dust purification bin (32) at the lower part and a filter bin (33);
a group of air blowers (7) are arranged in the dust purification bin (32), and air outlets of the air blowers (7) are arranged right opposite to the powder adsorption plate (4);
a group of back-blowing devices (8) are arranged in the filter bin (33), and back-blowing openings of the back-blowing devices (8) are arranged right opposite to the filter screen (5);
one side of the dust treatment device (3) is connected with an air outlet pipe (9), one end of the air outlet pipe (9) is right opposite to the higher side of the guide plate (6), the other end of the air outlet pipe extends into the bottom of a water cooling tank (10), and water cooling liquid (11) is arranged in the water cooling tank (10);
the upper part of the water cooling tank (10) is connected with the middle part of a neutralization tower (12) through a pipeline, the bottom of the neutralization tower (12) is provided with a waste liquid pool (13), the upper part of the neutralization tower is provided with a first filter layer (14) and a second filter layer (15), the first filter layer (14) is made of a honeycomb porous material containing neutralization liquid, a group of spray pipes (16) are connected in the neutralization tower (12) which is right opposite to the upper part of the second filter layer (15), and each spray pipe (16) is provided with a group of capillary pipes (17).
2. The pelletizer drying equipment tail gas treatment device as claimed in claim 1, characterized in that:
the included angle alpha between the connecting pipe (2a) and the horizontal direction is 30-45 degrees.
3. The pelletizer drying equipment tail gas treatment device as claimed in claim 1 or 2, characterized in that: the included angle beta between the powder adsorption plate (4) and the horizontal direction is 15-35 degrees.
4. The pelletizer drying equipment tail gas treatment device as claimed in claim 1 or 2, characterized in that: the included angle theta between the guide plate (6) and the horizontal direction is 30 degrees.
5. The pelletizer drying equipment tail gas treatment device as claimed in claim 1 or 2, characterized in that: the water cooling liquid (11) is weak alkaline liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022241413.2U CN215276419U (en) | 2020-10-10 | 2020-10-10 | Tail gas treatment device of granulator drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022241413.2U CN215276419U (en) | 2020-10-10 | 2020-10-10 | Tail gas treatment device of granulator drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215276419U true CN215276419U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022241413.2U Active CN215276419U (en) | 2020-10-10 | 2020-10-10 | Tail gas treatment device of granulator drying equipment |
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| Country | Link |
|---|---|
| CN (1) | CN215276419U (en) |
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2020
- 2020-10-10 CN CN202022241413.2U patent/CN215276419U/en active Active
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