CN210613312U - Vertical washing tower - Google Patents
Vertical washing tower Download PDFInfo
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- CN210613312U CN210613312U CN201921151384.1U CN201921151384U CN210613312U CN 210613312 U CN210613312 U CN 210613312U CN 201921151384 U CN201921151384 U CN 201921151384U CN 210613312 U CN210613312 U CN 210613312U
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Abstract
The utility model discloses a vertical washing tower belongs to chemical industry equipment technical field, wades the washing tower. A vertical washing tower comprises a tower body, wherein an air outlet is formed in the top of the tower body, a waste gas inlet is formed in the side wall of the lower portion of the tower body, a spray liquid port is formed in the side wall of the tower body on the upper portion of the waste gas inlet, a liquid outlet is formed in the bottom of the tower body, the spray liquid port is communicated with a spray pipe, the spray pipe extends into the tower body, and the tail end of the spray pipe is connected with; the spray pipes are three, the tail end of each spray pipe is connected with a spray nozzle, a first spray pipe, a second spray pipe and a third spray pipe are arranged from top to bottom in sequence, and an umbrella-shaped exhaust cap is arranged in a tower body between the first spray pipe and the second spray pipe. The utility model discloses use two-layer sieve mesh tray and three-layer spray assembly's structure, when improving the shower water utilization ratio, improved the absorption to the steam and the soluble material that carry in the waste gas, washing efficiency can reach more than 80%.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, wade the scrubbing tower, concretely relates to vertical scrubbing tower.
Background
Propylene is a very important chemical raw material, and the demand of China for propylene is very large. The main production mode of propylene is the production mode by dehydrogenation of propane, and the propane removal is the most important production mode of propylene except for cracking device by-products and refinery by-products. Propane dehydrogenation is a process for catalytically converting propane into propylene and hydrogen, and has the advantages of high conversion rate, continuous operation, only hydrogen as a byproduct, easy product separation and the like.
The waste alkali liquor generated by the propane dehydrogenation device enters a wet oxidation reactor after precipitation heat exchange, the waste alkali liquor is subjected to oxidation reaction in the wet oxidation reactor under a high-temperature state, the waste alkali liquor is subjected to oxidation reaction to generate oxidized water (deodorized waste alkali liquor), part of oxidized water and reacted waste air are discharged from the top of the reactor together, the oxidized water enters a feeding heat exchanger to exchange heat with the waste alkali liquor conveyed by a feeding pump, and the oxidized water is cooled to about 130 ℃ by the exothermic oxidized water and then enters a washing tower. Due to the limitation of the structure of the existing washing tower, the existing washing tower has the defects of large water consumption and low washing efficiency when washing propane dehydrogenation alkali liquor and waste gas.
In order to further improve the washing efficiency, the utility model discloses a vertical scrubbing tower has been researched and developed.
Disclosure of Invention
The utility model aims at providing a vertical scrubbing tower.
The utility model discloses a realize through following technical scheme:
a vertical washing tower comprises a tower body, wherein an air outlet is formed in the top of the tower body, a waste gas inlet is formed in the side wall of the lower portion of the tower body, a spray liquid port is formed in the side wall of the tower body on the upper portion of the waste gas inlet, a liquid outlet is formed in the bottom of the tower body, the spray liquid port is communicated with a spray pipe, the spray pipe extends into the tower body, and the tail end of the spray pipe is connected with; the spray pipes are three, the spray pipes are a first spray pipe, a second spray pipe and a third spray pipe from top to bottom in sequence, the tail end of each spray pipe is connected with a spray nozzle, and an umbrella-shaped exhaust cap is arranged in the tower body between the first spray pipe and the second spray pipe.
Furthermore, the tower body at the lower parts of the first spray pipe and the third spray pipe is internally provided with a first sieve mesh tray and a second sieve mesh tray, namely, the tower body of the utility model is internally provided with two layers of sieve mesh trays and three layers of spray components, the sieve mesh trays can effectively control the flow of the separated waste gas to the tower top, the waste gas is fully washed by balanced flow, when the waste gas passes through the circular air holes arranged on the sieve mesh trays from bottom to top, the waste gas is breathable, spray water collected on the sieve mesh trays falls from the circular air holes, the spray water is slurry leakage, the waste gas and the slurry are converged at the air holes to form turbulent flow, the breathable and the slurry leakage occur repeatedly and alternately, the gas phase is the bubbling and spraying process of the dispersed phase, even under the low waste gas flow, the sieve mesh trays can also ensure that the washing tower can stably complete gas-liquid mass transfer, the steam in the waste gas is condensed, and when the waste gas flow, when turbulent flow is formed, the gas-liquid mass transfer effect is enhanced, the surface of the absorption liquid is continuously updated, the utilization rate of spray water is improved, soluble substances carried in waste gas are absorbed by water, and the washing efficiency reaches over 50 percent.
The spray nozzles are water spray discs consisting of 4-6 nozzles which are horizontally arranged, spray water sprayed by the water spray discs can comprehensively cover the same horizontal plane of the tower body, and the spray effect is guaranteed.
And a liquid discharge pipe is longitudinally arranged on the inner wall of the tower body between the umbrella-shaped exhaust cap and the second sieve mesh tray, and discharged liquid is collected on the sieve mesh tray, so that the washing effect is improved.
The number of the liquid discharge pipes is 2-4, and the liquid discharge pipes are longitudinally fixed on the inner wall of the tower body at intervals.
The diameter of the sieve tray is 790-800mm, the sieve trays are uniformly provided with air holes which are 25-30mm till now, the distance between two adjacent air holes is 20-30mm, the waste gas passes through the sieve tray and continues to move to the top of the tower, the waste gas continues to be in reverse contact with spray water in the rising process, the residual steam and other impurities which can be absorbed by water in the waste gas are absorbed again, and the liquid-gas ratio of spray washing is 10-12.5L:1m3。
The top of the tower body is provided with a demister, the waste gas after washing and separation is discharged after the humidity in the waste gas is removed from the top of the washing tower through the demister, and the waste gas is discharged into the atmosphere after pressure regulation and noise reduction.
The utility model discloses establish in the tower bodyThe tower is provided with two layers of sieve tray and three layers of spray components, an umbrella-shaped exhaust cap is arranged in the middle of the tower body, a longitudinal liquid discharge pipe is arranged on the inner wall of the tower body, oxidizing water is subjected to steam-water separation in a washing tower, waste gas generated by separation passes through a two-stage tray and is subjected to three-stage spray washing, steam in the waste gas is condensed and then mixed with spray water, the separated waste air is demisted and then discharged out of the washing tower, the sieve tray can effectively control the steam content in the waste air, and the liquid-gas ratio of spray washing is preferably 10-12.5L:1m3The utilization rate of the spraying water is improved, meanwhile, soluble substances carried in the waste gas are also absorbed by the water, and the longitudinally arranged drain pipe can store the spraying cold water on the sieve tray, so that the washing efficiency is improved to be more than 80%.
The utility model discloses use two-layer sieve mesh tray and three-layer spray assembly's structure, when improving the shower water utilization ratio, improved the absorption to the steam and the soluble material that carry in the waste gas, washing efficiency can reach more than 80%.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-tower body, 2-gas outlet, 3-first spray pipe, 4-second spray pipe, 5-third spray pipe, 6-umbrella-shaped exhaust cap, 7-first sieve tray, 8-second sieve tray and 9-liquid discharge pipe.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, a vertical washing tower comprises a tower body 1, wherein an air outlet 2 is arranged at the top of the tower body 1, an oxidation water inlet is formed in the side wall of the lower part of the tower body 1, a spray pipe opening is formed in the side wall of the tower body at the upper part of the oxidation water inlet, a liquid outlet is formed at the bottom of the tower body, the spray pipe opening is communicated with a spray pipe, the spray pipe extends into the tower body, and the tail end of the spray pipe is; the number of the spray pipes is three, the spray pipes are a first spray pipe 3, a second spray pipe 4 and a third spray pipe 5 from top to bottom in sequence, the tail end of each spray pipe is connected with a spray nozzle, and an umbrella-shaped exhaust cap 6 is arranged in the tower body between the first spray pipe 3 and the second spray pipe 4.
The tower body at the lower parts of the first spray pipe 3 and the third spray pipe 5 is internally provided with a first sieve tray 7 and a second sieve tray 8, the spray nozzles are water spray discs consisting of 4-6 nozzles which are horizontally arranged, the diameters of the first sieve tray 7 and the second sieve tray 8 are 790-800mm, air holes are uniformly formed in the first sieve tray 7 and the second sieve tray 8, the air holes are 25-30mm, and the distance between every two adjacent air holes is 20-30 mm; the inner wall of the tower body at the lower part of the umbrella-shaped exhaust cap 6 is longitudinally provided with 2-4 liquid discharge pipes 9, and the top of the tower body 1 is provided with a demister.
When the washing tower is operated, steam-water separation is carried out on oxidation water in the washing tower, waste gas generated by separation passes through the two-stage trays, three-stage spraying washing is carried out, steam in the waste gas is condensed and then is mixed with spray water, the separated waste air is discharged out of the washing tower after demisting, and the spray water can be accumulated on the sieve mesh trays by the longitudinally-arranged liquid discharge pipe, so that the washing effect is improved.
The above embodiments are only preferred technical solutions of the present invention, and are not used to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A vertical washing tower comprises a tower body, wherein an air outlet is formed in the top of the tower body, a waste gas inlet is formed in the side wall of the lower portion of the tower body, a spray liquid port is formed in the side wall of the tower body on the upper portion of the waste gas inlet, a liquid outlet is formed in the bottom of the tower body, the spray liquid port is communicated with a spray pipe, the spray pipe extends into the tower body, and the tail end of the spray pipe is connected with; the novel tower is characterized in that the number of the spray pipes is three, the spray pipes are a first spray pipe, a second spray pipe and a third spray pipe from top to bottom in sequence, the tail end of each spray pipe is connected with a spray nozzle, and an umbrella-shaped exhaust cap is arranged in a tower body between the first spray pipe and the second spray pipe.
2. The vertical washing tower according to claim 1, wherein the first and third spray pipes are provided with first and second tray holes in the lower tower body.
3. The vertical washing tower according to claim 1 or 2, wherein the spray nozzles are water spray discs consisting of 4-6 nozzles horizontally arranged.
4. A vertical washing tower according to claim 1 or 2, wherein a drain pipe is longitudinally arranged on the inner wall of the tower body between the umbrella-shaped exhaust cap and the second sieve tray.
5. A vertical washing tower according to claim 4, wherein the number of the liquid discharge pipes is 2-4, and the liquid discharge pipes are longitudinally fixed on the inner wall of the tower body at intervals.
6. The vertical washing tower as claimed in claim 2, wherein the diameter of the first tray and the second tray is 790-800mm, and the first tray and the second tray are uniformly provided with air holes, the air holes are 25-30mm up to now, and the distance between two adjacent air holes is 20-30 mm.
7. A vertical washing tower according to claim 1 or 2, wherein a demister is arranged at the top of the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151384.1U CN210613312U (en) | 2019-07-22 | 2019-07-22 | Vertical washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151384.1U CN210613312U (en) | 2019-07-22 | 2019-07-22 | Vertical washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210613312U true CN210613312U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921151384.1U Active CN210613312U (en) | 2019-07-22 | 2019-07-22 | Vertical washing tower |
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| CN (1) | CN210613312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280107A (en) * | 2019-07-22 | 2019-09-27 | 山西华锐博维科技有限公司 | A kind of vertical scrubbing tower |
-
2019
- 2019-07-22 CN CN201921151384.1U patent/CN210613312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280107A (en) * | 2019-07-22 | 2019-09-27 | 山西华锐博维科技有限公司 | A kind of vertical scrubbing tower |
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