CN216778445U - Quench tower with inlet flue gas uniform distribution device - Google Patents
Quench tower with inlet flue gas uniform distribution device Download PDFInfo
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- CN216778445U CN216778445U CN202122657290.5U CN202122657290U CN216778445U CN 216778445 U CN216778445 U CN 216778445U CN 202122657290 U CN202122657290 U CN 202122657290U CN 216778445 U CN216778445 U CN 216778445U
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Abstract
A quench tower with an inlet flue gas uniform distribution device comprises a quench tower body, an atomization device and an ash discharge device, wherein the atomization device is arranged at the top end of the quench tower body, and the ash discharge device is arranged at the bottom end of the quench tower body; the quenching tower body comprises an inlet flue gas uniform distribution device, an atomization device interface, a tower body cavity, a flue gas outlet and an ash discharge port, wherein the inlet flue gas uniform distribution device is arranged at the upper part of the tower body cavity along the horizontal direction; the inlet flue gas uniform distribution device comprises a flue gas inlet, a main pipe and branch pipes, wherein the flue gas inlet is arranged along the tangential direction of the quenching tower body; the main pipe is arranged along the circumference of the upper part of the quenching tower body; the branch pipes are communicated with the main pipe and the tower body cavity and are uniformly distributed along the circumference of the outer wall of the quenching tower body. The invention has the advantages of reasonable design, high cooling efficiency, low cost and the like.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to a quench tower with an inlet flue gas uniform distribution device.
Background
The quench tower is arranged in the useless quick effective cooling of flue gas among the system that burns of danger usually, and the regeneration of effective suppression dioxin also provides good temperature environment for follow-up equipment. Traditional quench tower is at the cooling flue gas in-process, in order to enable the flue gas fully cooling, the mode that the import flue gas top was directly gone into is used usually, this kind of flue gas input mode is because the flue gas velocity of flow is very fast, and the temperature is higher, the spraying can't fully react with high temperature flue gas in the time of the utmost point short, cool off inadequately easily, lead to damaging follow-up equipment, meanwhile, in order to guarantee the effect of cooling, need design quench tower reaction section enough long, lead to whole quench tower device higher, waste material. Thus, it is not economical in the flue gas treatment process. Secondly, aiming at the fact that the smoke contains part of dust particles, a mechanical pressure atomizing nozzle spray head is adopted, and the cross section of the spray head is very small, so that dust is easily accumulated, blockage is caused, and the frequency of replacing the nozzle is high. Too high a content of dust particles in the flue gas may also cause damage to subsequent flue pipes and equipment.
To sum up, the direct-entry quench tower at the top of the imported flue gas has the following main defects although the structure is simple and the cooling effect is good: 1. the flue gas has too fast flow velocity and short retention time, is easy to generate the phenomenon of bias flow, cannot fully react, is easy to cause that spray droplets cannot be completely vaporized, and is easy to generate effusion outflow when colliding with the wall in the tower; 2. the reaction section needs to be longer when the cooling reaction of the flue gas is sufficient, so that the quenching tower equipment which is vertically arranged is higher in whole and consumes materials; meanwhile, the reaction time is long, and the regeneration of harmful gas dioxin is difficult to control.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the quenching tower with the inlet flue gas uniform distribution device, the inlet flue gas uniform distribution device is applied to quenching tower equipment, the distribution state of the inlet flue gas is changed, the inlet flue gas is uniformly and fully contacted with cooling water mist, the high-temperature flue gas is quickly cooled, the regeneration of harmful dioxin gas is restrained, and a good temperature environment is provided for subsequent equipment.
The invention provides a quench tower with an inlet flue gas uniform distribution device, which comprises a quench tower body, an atomization device and an ash discharge device, wherein the atomization device is arranged at the top end of the quench tower body; the quenching tower body comprises an inlet flue gas uniform distribution device, an atomization device interface, a tower body cavity, a flue gas outlet and an ash discharge port, wherein the inlet flue gas uniform distribution device is installed on the upper part of the tower body cavity along the horizontal direction; the inlet flue gas uniform distribution device comprises a flue gas inlet, a main pipe and branch pipes, wherein the flue gas inlet is arranged along the tangential direction of the quenching tower body; the main pipe is arranged along the circumference of the upper part of the quenching tower body; the branch pipes are communicated with the main pipe and the tower body cavity and are uniformly distributed along the circumference of the outer wall of the quenching tower body.
As a further technical scheme of the invention, the atomization device is provided with a plurality of quenching spray guns, the quenching spray guns are arranged at the top of the quenching tower body and are connected with a flange of an interface of the atomization device through fasteners, and nozzles of the quenching spray guns extend into the quenching tower body.
Furthermore, the flue gas in the quenching tower body is in an upper inlet and a lower outlet, and the atomized cooling water and the flue gas adopt a cocurrent flow mode.
Furthermore, 4 branch pipes are uniformly distributed in a circumference way, the included angle alpha between each branch pipe and the horizontal line of the quenching tower body is 15 degrees, and the included angle beta between each branch pipe and the transverse central line of the quenching tower body is 23 degrees.
Furthermore, the interface of the atomization device adopts a plurality of pipe ports which are evenly distributed on the top of the quenching tower body in the circumferential direction.
Furthermore, the lower part of the quenching tower body is provided with a conical ash discharge hopper, the quenching tower body is formed by welding carbon steel materials, and the lining is made of refractory materials.
The invention has the advantages that the flue gas uniform distribution device is applied to the flue gas treatment quenching equipment in the incineration system, so that high-temperature flue gas is uniformly input into the quenching tower equipment through the flue gas main pipe and the branch pipe and flows in a spiral downward mode, and then is uniformly mixed with the quenching water mist sprayed by the atomization device and fully reacts, the effect of rapidly cooling is achieved in a short time, the secondary synthesis of dioxin is avoided, and the length of a reaction section is greatly shortened. The uniform cyclone mode of the flue gas can not only avoid the phenomenon of bias flow of the flue gas, but also remove dust particles in the flue gas to a certain extent and reduce the abrasion to a flue and dust removal equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of B of FIG. 1;
fig. 3 is a sectional view a-a of fig. 1.
Wherein, I is a quenching tower body, II is an atomizing device, and III is an ash discharging device; 1 is an inlet flue gas uniform distribution device, a is a flue gas inlet, b is a header pipe, c is a branch pipe, 2 is an atomizing device interface, 3 is a tower body cavity, 4 is a flue gas outlet, and 5 is an ash discharge port.
Detailed Description
Referring to fig. 1, the present embodiment provides a quench tower with an inlet flue gas uniform distribution device 1, which includes a quench tower body i, an atomization device ii and an ash discharge device iii, wherein the atomization device ii is installed at the top end of the quench tower body i, and the ash discharge device iii is installed at the bottom end of the quench tower body i; the quenching tower body I comprises an inlet flue gas uniform distribution device 1, an atomization device interface 2, a tower body cavity 3, a flue gas outlet 4 and an ash discharge port 5, wherein the inlet flue gas uniform distribution device 1 is installed on the upper part of the tower body cavity 3 along the horizontal direction, the flue gas outlet 4 is arranged on one side of the lower part of the tower body cavity 3, the ash discharge port 5 is arranged at the bottom end of the tower body cavity 3, an atomization device II is connected with a flange of the atomization device interface 2 positioned at the top end of the tower body cavity 3 through a fastening piece, and an ash discharge device III is connected with a flange of the ash discharge port 5 through a fastening piece; the inlet flue gas uniform distribution device 1 comprises a flue gas inlet a, a header pipe b and branch pipes c, wherein the flue gas inlet a is arranged along the tangential direction of the quenching tower body I; the header pipe b is arranged along the circumference of the upper part of the quenching tower body I; the branch pipes c are communicated with the header pipe b and the tower body cavity 3 and are uniformly distributed along the circumference of the outer wall of the quenching tower body I.
Atomizing device II includes two rapid cooling spray guns, and the rapid cooling spray gun sets up in the top of rapid cooling tower body I, links to each other through the flange of fastener and atomizing device interface 2, and the nozzle of rapid cooling spray gun stretches into in the rapid cooling tower body I.
The flue gas in the quenching tower body I flows in and out from the top, and the atomized cooling water and the flue gas adopt a cocurrent flow mode.
As shown in fig. 2 and 3, 4 branch pipes c are uniformly distributed in a circumferential manner, and the included angle alpha between the branch pipes c and the horizontal line of the quenching tower body I is 15 degrees, so that the flue gas entering the quenching tower body flows downwards along four directions; an included angle beta between the branch pipe c and the transverse central line of the quenching tower body I is 23 degrees, so that the flue gas can uniformly enter the quenching tower body I and form rotational flow.
The atomizing device interface 2 adopts a plurality of pipe ports which are evenly distributed on the top of the quenching tower body I in the circumference.
The lower part of the quenching tower body I is provided with a conical ash discharge hopper, the quenching tower body I is formed by welding carbon steel materials, and the lining is made of refractory materials.
This quench tower high temperature flue gas is flowed in by the flue gas import tangential, through the person in charge of arranging along the circumference and be responsible for and under the combined action of the 4 branch pipes that set up between the tower body cylinder section, the flue gas gets into the inside back of quench tower and is the state of spiral downstream, has realized the evenly distributed of flue gas. At the moment, atomized water sprayed by the two quenching spray guns is fully mixed and reacted with the flue gas, so that the temperature of the flue gas is rapidly reduced to about 200 ℃ within 1 second, thereby not only avoiding the regeneration of dioxin, but also shortening the length of a reaction section cylinder of quenching tower equipment and reducing the manufacturing cost of the equipment. Finally, the cooled flue gas flows out from the flue gas outlet.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is intended to be protected by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (6)
1. A quench tower with an inlet flue gas uniform distribution device is characterized by comprising a quench tower body, an atomization device and an ash discharge device, wherein the atomization device is installed at the top end of the quench tower body, and the ash discharge device is installed at the bottom end of the quench tower body; the quenching tower body comprises an inlet flue gas uniform distribution device, an atomization device interface, a tower body cavity, a flue gas outlet and an ash discharge port, wherein the inlet flue gas uniform distribution device is installed at the upper part of the tower body cavity along the horizontal direction, the flue gas outlet is arranged at one side of the lower part of the tower body cavity, the ash discharge port is arranged at the bottom end of the tower body cavity, the atomization device is connected with a flange of the atomization device interface positioned at the top end of the tower body cavity through a fastening piece, and the ash discharge device is connected with a flange of the ash discharge port through a fastening piece; the inlet flue gas uniform distribution device comprises a flue gas inlet, a main pipe and branch pipes, wherein the flue gas inlet is arranged along the tangential direction of the quenching tower body; the main pipe is arranged along the circumference of the upper part of the quenching tower body; the branch pipes are communicated with the main pipe and the tower body cavity and are uniformly distributed along the circumference of the outer wall of the quenching tower body.
2. The quench tower with inlet flue gas uniform distribution device according to claim 1, wherein the atomizing device is a plurality of quench guns, the quench guns are arranged on the top of the quench tower body and connected with the flange of the atomizing device interface through fasteners, and nozzles of the quench guns extend into the quench tower body.
3. The quench tower with inlet flue gas uniform distribution device according to claim 1, wherein the flue gas in the quench tower body is in an up-in and down-out mode, and the atomized cooling water and the flue gas are in a cocurrent flow mode.
4. The quench tower with inlet flue gas uniform distribution device according to claim 1, wherein 4 branch pipes are circumferentially uniformly distributed, an included angle α between each branch pipe and a horizontal line of the quench tower body is 15 °, and an included angle β between each branch pipe and a transverse center line of the quench tower body is 23 °.
5. The quench tower with inlet flue gas uniform distribution device according to claim 1, wherein the atomizing device ports are uniformly distributed on the top of the quench tower body by adopting a multi-port circumference.
6. The quench tower with inlet flue gas uniform distribution device according to claim 1, wherein a conical ash discharge hopper is arranged at the lower part of the quench tower body, the quench tower body is welded by carbon steel, and the lining is made of refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657290.5U CN216778445U (en) | 2021-11-02 | 2021-11-02 | Quench tower with inlet flue gas uniform distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657290.5U CN216778445U (en) | 2021-11-02 | 2021-11-02 | Quench tower with inlet flue gas uniform distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216778445U true CN216778445U (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122657290.5U Active CN216778445U (en) | 2021-11-02 | 2021-11-02 | Quench tower with inlet flue gas uniform distribution device |
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| CN (1) | CN216778445U (en) |
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2021
- 2021-11-02 CN CN202122657290.5U patent/CN216778445U/en active Active
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