CN200974818Y - Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas - Google Patents
Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas Download PDFInfo
- Publication number
- CN200974818Y CN200974818Y CN 200620151564 CN200620151564U CN200974818Y CN 200974818 Y CN200974818 Y CN 200974818Y CN 200620151564 CN200620151564 CN 200620151564 CN 200620151564 U CN200620151564 U CN 200620151564U CN 200974818 Y CN200974818 Y CN 200974818Y
- Authority
- CN
- China
- Prior art keywords
- gas
- cylindrical shell
- liquid
- cylindrical section
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model discloses a urea granulation tail gas and liquid parallel flow cooling scrubber, and pertains to the urea granulation tail gas cooling scrubber technology. The cooling scrubber includes a cylinder installed with an angle head; the horizontal port of the angle head connects with a horizontal straight pipe and penetrating through the wall of the cylinder and the vertical port of the angle head connects with a vertical pipe; a liquid-trapping power absorber is equipped in the annular space between the vertical pipe and the cylinder, two to three up-down rows of sprinkler pipes each with a sprinkler head are equipped in the vertical pipe, a regular filler layer is installed at lower part of the sprinkler head, and a silk screen skimmer with a cannular sprinkler device is installed in the conical end above the cylindrical section of the cylinder. The utility model characterized in its broad scope of operating the gas speed and high disposal ability, reducing the entrainment amount and making the discharge more environment-friendly; compared with the current washing device, the pressure under the same condition will decrease by more than 50 percent and one-time investment will reduce by 40 percent, especially applicable to cleaning large particles of urea granulation tail gas.
Description
Technical field
The utility model relates to a kind of gas and liquid flowing formula cooling scrubber of carbamide granulation tail gas, belongs to the cooling scrubber technology of carbamide granulation tail gas.
Background technology
In the carbamide granulation process, especially can produce in the granulation process of granular urea big amount temperature higher contain carbamide dust gas, this contains carbamide dust gas and is called carbamide granulation tail gas.
Along with the enhancing of environmental consciousness, requirement is discharged in atmosphere after carbamide granulation tail gas is cooled off carrying out washing treatment, reclaims the urea of taking out of simultaneously.The device that this cooling carrying out washing treatment process adopts is exactly a cooling scrubber.
To the cooling scrubber of granular urea tail gas generated by granulation, require to have following characteristics: 1. require a whole set of washing system pressure to fall little; 2. washer outlet carbamide dust content satisfies national requirements for environmental protection; 3. the urea concentration in the recovery liquid high as far as possible (capturing) for wet method; 4. apparatus cost is low.
At present the cooling scrubber of using mostly is the wet method that adopts the random packing tower and captures, though this is technical than mature and reliable, but still has that flux is little, pressure drop is big, fan energy consumption height, the shortcoming that the plant investment expense is big.Cooling scrubber also has the tower tray of employing and nozzle structure in addition, and there is above problem equally in this structure cooling scrubber.Also having. the employing structured packing of company for a long time in huge day and the cooling scrubber of MD tower tray composite structure, shortcoming is that pressure drop is bigger than normal, blower fan is required high.
Summary of the invention:
The purpose of this utility model is to provide a kind of gas and liquid flowing formula cooling scrubber of carbamide granulation tail gas, and this cooling scrubber operation pressure drop is low, easy to manufacture, and maintenance is convenient.
The utility model is realized by following technical proposals, a kind of gas and liquid flowing formula cooling scrubber of carbamide granulation tail gas, it is characterized in that, comprise cylindrical shell 1, described cylindrical shell is made up of the conical section end socket of cylindrical section cylindrical shell and its top and the bottom, an elbow 2 is set in the cylindrical section cylindrical shell, the horizontal port of elbow connects horizontal straight tube 3 and passes through mutually with the cylindrical section barrel wall, the vertical port of elbow connects vertical tube 4, vertical tube 4 medullary rays and cylindrical section cylindrical shell central lines, the liquid-collecting energy absorption device 5 that filling is made by structured packing in the annular space between vertical tube 4 and cylindrical section cylindrical shell, 2～3 rows' that are arranged above and below shower 6 is set in vertical tube 4, the uniform spray header 8 that is provided with on shower, structured filling material layer 7 is installed in the vertical tube 4 below spray header, wire mesh demister 10 is installed in the conical section end socket on the top of cylindrical section cylindrical shell, endless tube spray equipment 9 is set in the wire mesh demister bottom.
Advantage of the present utility model is, compares with traditional countercurrent absorber, and operation can not produce liquid flooding, and gas speed scope is big, the processing power height.Efficient wire mesh demister is adopted in foam removal, greatly reduces mist entrainment, discharges environmental protectionization more.Compare with existing washing device, the pressure under the equal conditions reduces more than 50%, and once investment reduces by 40%.The washing of the utility model particularly suitable granular urea tail gas generated by granulation.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1 cylindrical shell, 2 elbows, 3 horizontal straight tubes, 4 vertical tubes, 5 liquid-collecting energy absorption devices, 6 showers, 7 structured filling material layers, 8 spray headers, 9 endless tube spray equipments, 10 wire mesh demisters.
Embodiment
Below in conjunction with accompanying drawing 1 and for the designed product practical situation of manufacturer the utility model is described in detail:
This figure apparatus shown is for producing the carbamide granulation tail gas cooling scrubber of 150,000 tons of large granule urea plant designs per year.
The internal diameter of cylindrical shell 1 cylindrical section is 4700mm, the high 8000mm of cylindrical section, the central sluicing pipe that is made of elbow 2 and horizontal straight tube 3 and vertical tube 4, its internal diameter is 2000mm, establish 2 row's showers up and down in the vertical tube 4, every row's shower is established 4 spray headers, and they constitute washs device towards hydro-peening.The following exit end near vertical tube 4 of spray header is provided with the packing layer 7 by the corrugated regular filler assembling in the pipe, the height of this packing layer is 400mm; The liquid-collecting energy absorption device 5 that is provided with between cylindrical shell 1 cylindrical section and vertical tube 4 also is to be assembled by corrugated regular filler, and it highly is 350mm; Wire mesh demister 10 is installed in the conical section end socket on the top of cylindrical section cylindrical shell, and it is assembled by the screen waviness structured packing, and it highly is 200mm; Be endless tube spray equipment 9 below it, it is provided with upwards 12 spray headers compositions of spray by a loop on the endless tube.Above-mentioned each parts adopt 304 stainless steels to make.
Adopt the utility model device of said structure, the gas and liquid flowing formula cooling washing process of realizing carbamide granulation tail gas is: dusty gas feeds central sluicing pipe by gas blower, circulating mother liquor sprays into central sluicing pipe through spray header in recycle pump is sent into shower, gas-liquid realizes concurrent flow, dusty gas and circulation fluid carry out thorough mixing in central sluicing pipe in flowing, most of dust is dissolved in the liquid, these gas-liquid mixtures are dirty in behind the filling batch, flow out from central sluicing pipe lower end again, make all dust all dissolve in the liquid through this process, then, these gas-liquid mixtures separate through liquid-collecting energy absorption device, liquid after the separation flows into downwards in the mother liquor tank, and gas makes progress through qualified discharge behind the efficient wire mesh demister in atmosphere.Mother liquid concentration reaches at 40～45% o'clock, with being pumped into next evaporation section, replenishes fresh water simultaneously in mother liquor tank.
The actual running results of the present utility model: full tower pressure drop 85mm water column, inlet gas temperature 90 degree, Outlet Gas Temperature 37 degree, exhaust emissions concentration dust-laden 13mg/m
3(national requirements for environmental protection is not more than 30mg/m
3).
Claims (1)
1. the gas and liquid flowing formula cooling scrubber of a carbamide granulation tail gas, it is characterized in that, comprise cylindrical shell (1), described cylindrical shell is made up of the conical section end socket of cylindrical section cylindrical shell and its top and the bottom, an elbow (2) is set in the cylindrical section cylindrical shell, the horizontal port of elbow connects horizontal straight tube (3) and passes through mutually with the cylindrical section barrel wall, the vertical port of elbow connects vertical tube (4), vertical tube (4) medullary ray and cylindrical section cylindrical shell central lines, the liquid-collecting energy absorption device (5) that filling is made by structured packing in the annular space between vertical tube (4) and cylindrical section cylindrical shell, 2～3 rows' that are arranged above and below shower (6) is set in vertical tube (4), the uniform spray header (8) that is provided with on shower, structured filling material layer (7) is installed in the vertical tube below spray header (4), in the conical section end socket on the top of cylindrical section cylindrical shell, wire mesh demister (10) is installed, endless tube spray equipment (9) is set in the wire mesh demister bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151564 CN200974818Y (en) | 2006-12-07 | 2006-12-07 | Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620151564 CN200974818Y (en) | 2006-12-07 | 2006-12-07 | Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200974818Y true CN200974818Y (en) | 2007-11-14 |
Family
ID=38901108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620151564 Expired - Lifetime CN200974818Y (en) | 2006-12-07 | 2006-12-07 | Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200974818Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227392A (en) * | 2008-11-28 | 2011-10-26 | 伍德肥料技术有限责任公司 | Urea granulation process with acidic scrubbing system and subsequent integration of ammonium salt into urea granules |
| CN107367177A (en) * | 2017-07-31 | 2017-11-21 | 贵州宜化化工有限责任公司 | A kind of exhaust gas cooling device of carbamide production system |
| CN107628971A (en) * | 2017-08-21 | 2018-01-26 | 河南心连心化肥有限公司 | A kind of continuity prepares the device and its technique of carbamide peroxide |
| CN107983058A (en) * | 2018-01-19 | 2018-05-04 | 西安同大实业股份有限公司 | High-tower granulation dust drainage atomization cleaning dust mist device |
| CN113318547A (en) * | 2021-05-18 | 2021-08-31 | 上海灿越化工科技有限公司 | Method and device for removing coke powder from delayed coking quenching oil gas |
-
2006
- 2006-12-07 CN CN 200620151564 patent/CN200974818Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102227392A (en) * | 2008-11-28 | 2011-10-26 | 伍德肥料技术有限责任公司 | Urea granulation process with acidic scrubbing system and subsequent integration of ammonium salt into urea granules |
| CN107367177A (en) * | 2017-07-31 | 2017-11-21 | 贵州宜化化工有限责任公司 | A kind of exhaust gas cooling device of carbamide production system |
| CN107628971A (en) * | 2017-08-21 | 2018-01-26 | 河南心连心化肥有限公司 | A kind of continuity prepares the device and its technique of carbamide peroxide |
| CN107628971B (en) * | 2017-08-21 | 2023-09-01 | 河南心连心化学工业集团股份有限公司 | Device and process for continuously preparing urea peroxide |
| CN107983058A (en) * | 2018-01-19 | 2018-05-04 | 西安同大实业股份有限公司 | High-tower granulation dust drainage atomization cleaning dust mist device |
| CN113318547A (en) * | 2021-05-18 | 2021-08-31 | 上海灿越化工科技有限公司 | Method and device for removing coke powder from delayed coking quenching oil gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201058267Y (en) | Device for cleaning and reclaiming urea dust | |
| WO2018103340A1 (en) | Water scrubber for high-efficiency removal of aerosol | |
| CN103100284B (en) | Flue gas dedusting circulating purifying device | |
| CN101898082B (en) | Device and method for depriving sulfur dioxide in flue gas by using ammonia water | |
| CN200974818Y (en) | Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas | |
| CN103143220B (en) | Wet dust removal device and technique for titanium tetrachloride smoke | |
| CN101428196A (en) | In-hollow column intercrystalline ammonia process of desulfurization, recovery system and method thereof | |
| CN209501225U (en) | Adsorption tower is used in high-pureness carbon dioxide production | |
| CN112221333A (en) | Ammonia-containing waste gas absorption, purification and recovery device | |
| CN205495232U (en) | Next door tower gas -liquid mixed -flow cooling scrubber | |
| CN102580504A (en) | Novel ammonia desulphurization absorption device | |
| CN202876620U (en) | Energy-saving urea prilling tower dust purification and recovery device | |
| CN207153459U (en) | A kind of acid fog absorption tower | |
| CN212818237U (en) | Crystallization separator | |
| CN202506306U (en) | Novel ammonia process desulfurization absorption device | |
| CN201664576U (en) | Apparatus for removing sulfur dioxide in flue gas by ammonia water | |
| CN210699440U (en) | Fountain clarification plant | |
| CN209406036U (en) | Organic waste-gas purification spray column | |
| CN101352651A (en) | Integrated equipment for cooling, dedusting and desulfurizing | |
| CN217490343U (en) | Organic waste gas treatment system | |
| CN203123741U (en) | Fume dedusting circulation purification device | |
| CN206454462U (en) | A kind of integrated air purifier and gas purification engineering truck | |
| CN201223761Y (en) | Powder dust-recovering device for prilling tower | |
| CN206483267U (en) | A kind of duct type gas treatment equipment | |
| CN207628200U (en) | A kind of novel VOCsScrubbing tower processing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071114 |
|
| EXPY | Termination of patent right or utility model |