CN113430017A - Ammonia water method desulfurization ammonia water distribution device - Google Patents
Ammonia water method desulfurization ammonia water distribution device Download PDFInfo
- Publication number
- CN113430017A CN113430017A CN202110438193.9A CN202110438193A CN113430017A CN 113430017 A CN113430017 A CN 113430017A CN 202110438193 A CN202110438193 A CN 202110438193A CN 113430017 A CN113430017 A CN 113430017A
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- Prior art keywords
- ammonia water
- tower
- fixedly connected
- plate
- water feeding
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
- C10K1/121—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing NH3 only (possibly in combination with NH4 salts)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of ammonia water distribution devices, in particular to an ammonia water method desulphurization ammonia water distribution device. Comprises a tower body, tower plates, a liquid distributor, a gas distributor, an ammonia water feeding distribution pipe, an ammonia water feeding distribution groove body and a supporting beam; the ammonia water feeding distribution tank body and the supporting beam are fixedly connected on the tower body, and the tower plate is fixedly connected on the ammonia water feeding distribution tank body and the supporting beam; the liquid distributors and the gas distributors are uniformly distributed on the tower plate; the ammonia water feeding distribution pipe is fixedly connected to the tower body and provided with through holes. The ammonia water feeding is uniformly distributed with liquid and the coal gas, so as to meet the absorption requirement and be not easy to block.
Description
Technical Field
The invention relates to the technical field of ammonia water distribution devices, in particular to an ammonia water method desulphurization ammonia water distribution device.
Background
The ammonia water method desulfurization is a desulfurization process for removing hydrogen sulfide in coal gas by taking ammonia in the coal gas as an alkali source and taking an ammonia-containing aqueous solution as a washing medium. Wherein the residual ammonia water is commonly used for ammonia washing and desulfurization, and in an ammonia washing tower or a desulfurization tower, the ammonia water is required to be uniformly distributed in feeding liquid and coal gas, so that the absorption requirement is met; because the residual ammonia water contains certain impurities such as tar, the ammonia water distribution device is often blocked, and the normal production of the device is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the ammonia water method desulphurization ammonia water distribution device, the ammonia water feeding distribution liquid is uniformly distributed, the coal gas is uniformly distributed, the absorption requirement is met, and the blockage is not easy to occur.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ammonia water distribution device for ammonia water desulphurization comprises a tower body, tower plates, a liquid distributor, a gas distributor, an ammonia water feeding distribution pipe, an ammonia water feeding distribution groove body and a supporting beam; the ammonia water feeding distribution tank body and the supporting beam are fixedly connected on the tower body, and the tower plate is fixedly connected on the ammonia water feeding distribution tank body and the supporting beam; the liquid distributors and the gas distributors are uniformly distributed on the tower plate; the ammonia water feeding distribution pipe is fixedly connected to the tower body and provided with through holes.
The tower plates are partitioned according to the tower diameter, the periphery of the tower plates is fixedly connected with the ammonia water feeding distribution groove body, the inner part of the tower plates is fixedly connected to a supporting beam, the end part of the supporting beam is supported by a support, and the support is fixedly connected to the tower body.
The liquid distributor comprises a short pipe, a pipe seat and an anti-blocking spray head; the tower plate is uniformly distributed with liquid distributor holes, the top of the tower plate is fixedly connected with a short pipe, the bottom of the tower plate is fixedly connected with a pipe seat, and the anti-blocking spray head is arranged on the pipe seat.
The gas distributor comprises a cylinder, a connecting plate and a cover plate; the tower plate is uniformly distributed with gas distribution holes, the top of the tower plate is fixedly connected with the cylinder, the connecting plate is fixedly connected on the cylinder, and the cover plate is fixedly connected on the connecting plate.
The ammonia water feeding distributing pipe is an annular distributing pipe, fixedly connected to the inner wall of the tower body and arranged along the circumference of the tower body, and horizontal through holes are formed in the ammonia water feeding distributing pipe.
The ammonia water feeding distribution tank comprises a bottom plate, side plates and a top plate, wherein the bottom plate is fixedly connected to the inner wall of the tower body, the side plates are fixedly connected to the bottom plate, the top plate is fixedly connected to the side plates, and the top plate is connected with the tower plate.
The device also comprises a tar outlet and a steam cleaning port, wherein the tar outlet is fixedly connected to the bottom of the ammonia water feeding distribution tank body, and the steam cleaning port is fixedly connected to the tower body.
Compared with the prior art, the invention has the beneficial effects that:
1. the ammonia water feeding distributor is provided with the ammonia water feeding distributor, the flow velocity of the ammonia water is reduced through the ammonia water feeding distributor, and the bottom tar deposition is not influenced due to the horizontal through holes of the ammonia water feeding distributor; the steam cleaning port and the tar discharging port are arranged, part of tar is deposited in the tank body and is discharged out of the tower through the tar discharging port by steam cleaning, and blockage is reduced.
2. A plurality of gas distributors are uniformly arranged on the tower plate, so that the coal gas is uniformly distributed, and the mass transfer requirement of the upper packing is met.
3. A plurality of liquid distributors are uniformly arranged on the tower plate, so that liquid is uniformly distributed, and the mass transfer requirement of the filler at the lower part is met; the liquid distributor is equipped with the nozzle stub and prevents stifled shower nozzle, and the aqueous ammonia flows to the nozzle stub top full-flow and gets into and prevent stifled shower nozzle, cushions the aqueous ammonia velocity of flow on the one hand, and on the other hand guarantees partly tar deposit at the column plate, can not block up immediately and prevent stifled shower nozzle, extension equipment operating time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line C of FIG. 1;
FIG. 3 is a sectional view taken along line B of FIG. 1;
FIG. 4 is a sectional view taken along line A of FIG. 1;
fig. 5 is a cross-sectional view taken along line D of fig. 1.
In the figure: 1-a tower body; 2-tower plate; 3-a liquid distributor; 4-a gas distributor; 5-ammonia feeding distribution pipe; 6-ammonia water feeding distribution tank body; 7-a support beam; 8-support; 9-short pipe; 10-tube seat; 11-anti-blocking spray head; 12-a cylinder body; 13-a connecting plate; 14-a cover plate; 15-a support; 16-tar discharge port; 17-a steam purge port; 18-through hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-5, an ammonia water distribution device for ammonia water desulfurization comprises a tower body 1, a tower plate 2, a liquid distributor 3, a gas distributor 4, an ammonia water feeding distribution pipe 5, an ammonia water feeding distribution tank 6, a support beam 7, a tar discharge port 16 and a steam cleaning port 17.
As shown in fig. 1 and 2, the ammonia water feeding distribution tank 6 is formed by welding a bottom plate, a side plate and a top plate, wherein the bottom plate is welded on the inner wall of the tower body 1, the side plate is welded on the bottom plate, and the top plate is welded on the side plate. The tar outlet 16 is welded to the base plate. The steam cleaning opening 17 is welded on the tower body 1.
The tower plate 2 is divided into 4 blocks according to the tower diameter, the circumference of the tower plate 2 is welded on the top plate of the ammonia water feeding distribution groove body 6, the inside of the tower plate is welded on a supporting beam 7, the end part of the supporting beam 7 is supported by a support 8, and the support 8 is welded on the inner wall of the tower body 1.
As shown in fig. 3, the liquid distributor 3 includes a short pipe 9, a pipe seat 10 and an anti-blocking nozzle 11. Liquid distributor holes are uniformly distributed on the tower plate 2, short pipes 9 are welded on the top of the tower plate, pipe seats 10 are welded on the bottom of the tower plate, and anti-blocking nozzles 11 are installed on the pipe seats 10. The short pipe 9, the liquid distributor hole and the pipe seat 10 are coaxial.
As shown in fig. 4, the gas distributor 4 includes a cylinder 12, a connecting plate 13, and a cover plate 14. The tower plate 2 is uniformly provided with gas distribution holes, the top of the tower plate is welded with a cylinder 12, a connecting plate 13 is welded on the cylinder 12, and a cover plate 14 is welded on the connecting plate 13.
As shown in fig. 5, aqueous ammonia feeding distributing pipe 5 is annular distributing pipe, arranges along 1 circumference of tower body, and support piece 15 welds on 1 inner wall of tower body, and aqueous ammonia feeding distributing pipe 5 passes through support piece 15 to be fixed, and aqueous ammonia feeding distributing pipe 5 is equipped with horizontal through-hole 18. The sections of the distribution pipe are connected by flanges or welded.
The residual ammonia water enters the ammonia water feeding distribution groove body 6 through the ammonia water feeding distribution pipe 5, the flow rate of the ammonia water is reduced, and a part of tar is deposited in the groove body, is cleaned through steam and is discharged out of the tower through a tar discharge port 16. The ammonia water full flow is to the 3 nozzle stub 9 tops entering of liquid distributor on column plate 1 and is prevented stifled shower nozzle 11 in the aqueous ammonia feeding distribution cell body 6, and on the one hand buffering aqueous ammonia velocity of flow, on the other hand guarantee partly tar deposit at column plate 2, can not block up immediately and prevent stifled shower nozzle 11, extension equipment operating time. The liquid distributors 3 are uniformly arranged to ensure that liquid is uniformly distributed and meet the mass transfer requirement of the filler at the lower part. The gas rising from the lower part passes through a plurality of gas distributors 4 which are uniformly distributed, so that the gas is uniformly distributed, and the mass transfer requirement of the filler on the upper part is met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an aqueous ammonia method desulfurization ammonia distribution device which characterized in that: comprises a tower body, tower plates, a liquid distributor, a gas distributor, an ammonia water feeding distribution pipe, an ammonia water feeding distribution groove body and a supporting beam; the ammonia water feeding distribution tank body and the supporting beam are fixedly connected on the tower body, and the tower plate is fixedly connected on the ammonia water feeding distribution tank body and the supporting beam; the liquid distributors and the gas distributors are uniformly distributed on the tower plate; the ammonia water feeding distribution pipe is fixedly connected to the tower body and provided with through holes.
2. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the tower plates are partitioned according to the tower diameter, the periphery of the tower plates is fixedly connected with the ammonia water feeding distribution groove body, the inner part of the tower plates is fixedly connected to a supporting beam, the end part of the supporting beam is supported by a support, and the support is fixedly connected to the tower body.
3. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the liquid distributor comprises a short pipe, a pipe seat and an anti-blocking spray head; the tower plate is uniformly distributed with liquid distributor holes, the top of the tower plate is fixedly connected with a short pipe, the bottom of the tower plate is fixedly connected with a pipe seat, and the anti-blocking spray head is arranged on the pipe seat.
4. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the gas distributor comprises a cylinder, a connecting plate and a cover plate; the tower plate is uniformly distributed with gas distribution holes, the top of the tower plate is fixedly connected with the cylinder, the connecting plate is fixedly connected on the cylinder, and the cover plate is fixedly connected on the connecting plate.
5. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the ammonia water feeding distributing pipe is an annular distributing pipe, fixedly connected to the inner wall of the tower body and arranged along the circumference of the tower body, and horizontal through holes are formed in the ammonia water feeding distributing pipe.
6. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the ammonia water feeding distribution tank comprises a bottom plate, side plates and a top plate, wherein the bottom plate is fixedly connected to the inner wall of the tower body, the side plates are fixedly connected to the bottom plate, the top plate is fixedly connected to the side plates, and the top plate is connected with the tower plate.
7. The ammonia water method desulphurization ammonia water distribution device according to claim 1, characterized in that: the device also comprises a tar outlet and a steam cleaning port, wherein the tar outlet is fixedly connected to the bottom of the ammonia water feeding distribution tank body, and the steam cleaning port is fixedly connected to the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438193.9A CN113430017A (en) | 2021-04-22 | 2021-04-22 | Ammonia water method desulfurization ammonia water distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438193.9A CN113430017A (en) | 2021-04-22 | 2021-04-22 | Ammonia water method desulfurization ammonia water distribution device |
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| Publication Number | Publication Date |
|---|---|
| CN113430017A true CN113430017A (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110438193.9A Pending CN113430017A (en) | 2021-04-22 | 2021-04-22 | Ammonia water method desulfurization ammonia water distribution device |
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| CN (1) | CN113430017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941166A (en) * | 2021-11-11 | 2022-01-18 | 中冶焦耐(大连)工程技术有限公司 | Gas-liquid distribution device of packed tower |
-
2021
- 2021-04-22 CN CN202110438193.9A patent/CN113430017A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941166A (en) * | 2021-11-11 | 2022-01-18 | 中冶焦耐(大连)工程技术有限公司 | Gas-liquid distribution device of packed tower |
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