CN202876620U - Energy-saving urea prilling tower dust purification and recovery device - Google Patents
Energy-saving urea prilling tower dust purification and recovery device Download PDFInfo
- Publication number
- CN202876620U CN202876620U CN 201220563792 CN201220563792U CN202876620U CN 202876620 U CN202876620 U CN 202876620U CN 201220563792 CN201220563792 CN 201220563792 CN 201220563792 U CN201220563792 U CN 201220563792U CN 202876620 U CN202876620 U CN 202876620U
- Authority
- CN
- China
- Prior art keywords
- prilling tower
- urea prilling
- atomization absorption
- urea
- pipeline
- 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 - Fee Related
Links
Images
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model provides an energy-saving urea prilling tower dust purification and recovery device. According to the device, the top of a urea prilling tower is provided with an air outlet distributor of the urea prilling tower and a height increasing box body of the urea prilling tower; the height increasing box body of the urea prilling tower is connected with first-stage and second-stage jet atomization absorption devices and a third-stage jet atomization absorption cleaning device; vertical honeycomb grid fillers are arranged in the first-stage and second-stage jet atomization absorption devices; a cross-flow dropping capture and separation filler is arranged on the third-stage jet atomization absorption cleaning device; the first-stage and second-stage jet atomization absorption devices and the third-stage jet atomization absorption cleaning device are respectively connected with a temperature-regulating heat exchanger through a pipeline; the temperature-regulating heat exchanger, a liquid collecting tank, a circulating tank, an automatic cleaning filter, a circulating pump and the temperature-regulating heat exchanger are connected through pipelines; an inlet of the third-stage jet atomization absorption cleaning device is connected with a liquid supplementing valve for supplementing liquid; and an outlet of the circulating pump is provided with a recovery regulating valve for recovering circulating liquid. Urea dust can be washed and recovered, and washed and recovered liquid returns to a production system for re-preparing high-quality urea.
Description
Technical field
The utility model relates to waste gas, powder purification apparatus in the chemical products production, is a kind of urea prilling tower dust energy-saving and purifying retracting device.
Background technology
Owing to reasons such as chemical reaction, shower nozzle injection, granulation coolings, cause carbamide dust in the urea production, carbamide dust has not only caused the finished product loss, and also very serious to the pollution of environment, destroys plant area's greening and carries out production strictly in line with rules and regulations infringement site personnel health.Country is to the requirement of energy-conserving and environment-protective more and more high, and relevant departments have worked out the standard that allows, and it has been listed among the environmental protection project of necessary improvement, so there is multiple design this area to the dust treatment plant that urea prilling tower produces.
The utility model content
The utility model provides a kind of urea prilling tower dust energy-saving and purifying retracting device, its purpose is when reaching national requirements for environmental protection, can produce and contain the lower high-quality urea product of dust, and can reclaim carbamide dust, bring considerable economic benefit and environmental benefit etc. to enterprise.
The utility model is achieved through the following technical solutions for achieving the above object:
Urea prilling tower dust energy-saving and purifying retracting device is characterized in that: comprise urea prilling tower, the carbamide granulation top of tower is provided with urea prilling tower gas outlet distributor; Distributor top, urea prilling tower gas outlet is provided with urea prilling tower and increases casing, urea prilling tower increases casing and absorbs cleaning device and be connected with one-level jet atomization absorption plant, two-stage injection atomization absorption device, three grades of jet atomizations by steel construction, urea prilling tower increases in the one-level jet atomization absorption plant arranged in the casing, the two-stage injection atomization absorption device vertical honeycomb filler is installed, vertical honeycomb filler is installed in urea prilling tower and increases in the tower body, and three grades of jet atomizations absorb cross-flow drop capture separating filler is installed on the cleaning device; One-level jet atomization absorption plant, two-stage injection atomization absorption device, three grades of jet atomizations absorb cleaning device and all are connected with the temperature adjustment heat exchanger by pipeline, the temperature adjustment heat exchanger is connected with collecting tank by pipeline, collecting tank is connected with circulating slot by pipeline, circulating slot is connected with automatic cleaning strainer by pipeline, automatic cleaning strainer is connected with circulating pump by pipeline, and circulating-pump outlet is connected with the temperature adjustment heat exchanger through pipeline; Three grades of jet atomizations absorb the cleaning device import and connect make-up valve with fluid infusion, and circulating-pump outlet arranges and reclaims control valve recovery circulation fluid.
Urea prilling tower increases casing and places the top of urea prilling tower and be fixedly connected with, and urea prilling tower increases casing and absorbs cleaning devices and be fixedly connected with one-level jet atomization absorption plant, two-stage injection atomization absorption device (41), three grades of jet atomizations.
Urea prilling tower increases arranges successively from top to bottom in the casing that three grades are sprayed absorption cleaning device, cross-flow drop capture separating filler, two-stage injection atomization absorption device, vertical honeycomb filler, one-level jet atomization absorption plant.
Usefulness of the present utility model is:
Urea prilling tower dust energy-saving and purifying retracting device places urea prilling tower top, and gravity-flow ventilation is adopted on top, and resistance is low, need not add ventilation equipment, and easy and simple to handle and original production system is integrated, and equipment is few, and reduced investment is effective; Urea prilling tower dust energy-saving and purifying retracting device adopts three grades of separation, three grades of absorption techniques, effectively guarantees dust removing effects and gas-liquid separation, and the cleaning solution of avoiding atomizing is taken out of outside the tower and is splashed in the tower, stops secondary pollution and the impact on producing, and recovering effect is good; Adopt advanced atomizer, carry out simultaneously concurrent-countercurrent lower resistance atomization absorption, sustained height has increased effective absorption space and has absorbed number of times, guarantees assimilation effect, reduces device and drops into; Absorbing, in the separation process, adopting lower resistance cross-flow technology, utilizing at the bottom of the tower washing air quantity control thermal head loss of dropping a hint, guaranteeing cooling urea granules air consumption; The application of automatic cleaning filter and temperature, liquid level self-reacting device has guaranteed the long-period stable operation of device, but also guarantees the concentration of urea dissolved matter in circulation fluid optimal absorption effect and the circulation fluid; Regularly be recovered to urine groove or vapo(u)rization system when circulating absorption solution reaches finite concentration, little to the original production systematic influence, it is obvious to reclaim benefit; Carbamide dust in the urea prilling tower dust energy-saving and purifying retracting device recovery tower top gas makes it reach state environmental emissioning standard, brings economic benefit, social benefit and environmental benefit etc.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
The specific embodiment
As shown in Figure 1:
Urea prilling tower dust energy-saving and purifying retracting device of the present utility model comprises urea prilling tower 1, and the dusty gas that contains that rises on urea prilling tower 1 top is evenly distributed by urea prilling tower gas outlet distributor 2.
The retracting device of gas in urea prilling tower increases casing 3 that goes out urea prilling tower gas outlet distributor 2 reclaims dust, and retracting device comprises: one-level jet atomization absorption plant 4, two-stage injection atomization absorption device 41, three grades of jet atomization absorption plants 5, vertical honeycomb filler 13, cross-flow drops capture separating filler 14.
Urea prilling tower increases casing 3 and absorbs cleaning device 5 and be connected with one-level jet atomization absorption plant 4, two-stage injection atomization absorption device 41, three grades of jet atomizations by steel construction.Therefore: urea prilling tower increases casing 3 and places the top of urea prilling tower 1 to be fixedly connected with, and urea prilling tower increases casing 3 and absorbs cleaning device and be fixedly connected with one-level jet atomization absorption plant 4, two-stage injection atomization absorption device 41, three grades of jet atomizations.
Urea prilling tower increases in the casing 3 in the one-level jet atomization absorption plant 4 arranged, the two-stage injection atomization absorption device 41 vertical honeycomb filler 13 is installed, and vertical honeycomb filler 13 is installed in urea prilling tower and increases in the tower body 3.It is that the cross-flow drop captures separating filler 14 that three grades of jet atomizations absorb what install on the cleaning device 5.Therefore: urea prilling tower increases arranges successively from top to bottom in the casing 3 that three grades are sprayed absorption cleaning device 5, cross-flow drop capture separating filler 14, two-stage injection atomization absorption device 41, vertical honeycomb filler 13, one-level jet atomization absorption plant 4.
One-level jet atomization absorption plant 4, two-stage injection atomization absorption device 41, three grades of jet atomizations absorb cleaning device 5 and all are connected with temperature adjustment heat exchanger 6 by pipeline, temperature adjustment heat exchanger 6 is connected with collecting tank 7 by pipeline, collecting tank 7 is connected with circulating slot 8 by pipeline, circulating slot 8 is connected with automatic cleaning strainer 9 by pipeline, automatic cleaning strainer 9 is connected with circulating pump 10 by pipeline, circulating pump 10 outlets are connected temperature adjustment heat exchanger 6 and with temperature adjustment heat exchanger 6 through pipeline, two-stage injection atomization absorption device 4, three grades of jet atomizations absorb cleaning device 5 and connect with pipeline.Three grades of jet atomizations absorb cleaning device 5 imports has the make-up valve 12 of connection with fluid infusion, and circulating pump 10 outlets arrange reclaims control valve 11 recovery circulation fluids.
Urea prilling tower 1 tower overhead gas is through urea prilling tower gas outlet distributor 2, one-level jet atomization absorption plant 4, two-stage injection atomization absorption device 41, three grades of jet atomizations of being increased in the casing 3 by urea prilling tower absorb cleaning device 5 and absorb washing, upwards through vertical honeycomb filler 13, cross-flow drop collection separating filler 14, liquid drops to collecting tank 7 to gas.
The utility model device is in the circulation absorption process, because the effect of urea dissolving and heat absorbing and cat head cold air, the circulating absorption solution temperature constantly descends, in device, designed circulation fluid temperature adjustment heat exchanger 6, temperature stabilization is controlled in certain scope, does not cause that crystallization is advisable, temperature adjustment heat exchanger 6 can be located in the circulating slot 8, also can be located at outside the circulating slot 8, but heating source can adopt also heat energy comprehensive reutilization of steam.
Device described in the utility model is that the cat head dust under the traditional handicraft condition is reclaimed, send Urea Evaporation or urine groove again to reclaim preparation urea the urea liquid after reclaiming, the tower overhead gas qualified discharge, the bottom product quality further improves, the application of retracting device reaches dust content in the purifying exhaust gas, reclaims the purpose that urea improves the quality of products.
The utility model not detailed description is known technology.
Claims (3)
1. urea prilling tower dust energy-saving and purifying retracting device, it is characterized in that: comprise urea prilling tower (1), urea prilling tower (1) top is provided with urea prilling tower gas outlet distributor (2); Urea prilling tower gas outlet distributor (2) top is provided with urea prilling tower and increases casing (3), urea prilling tower increases casing (3) by steel construction and one-level jet atomization absorption plant (4), two-stage injection atomization absorption device (41), three grades of jet atomizations absorb cleaning device (5) and connect, urea prilling tower increases the one-level jet atomization absorption plant (4) of arranging in the casing (3), vertical honeycomb filler (13) is installed in the two-stage injection atomization absorption device (41), vertical honeycomb filler (13) is installed in urea prilling tower and increases in the tower body (3), and three grades of jet atomizations absorb cross-flow drop capture separating filler (14) is installed on the cleaning device (5); One-level jet atomization absorption plant (4), two-stage injection atomization absorption device (41), three grades of jet atomizations absorb cleaning device (5) and all are connected with temperature adjustment heat exchanger (6) by pipeline, temperature adjustment heat exchanger (6) is connected with collecting tank (7) by pipeline, collecting tank (7) is connected with circulating slot (8) by pipeline, circulating slot (8) is connected with automatic cleaning strainer (9) by pipeline, automatic cleaning strainer (9) is connected with circulating pump (10) by pipeline, and circulating pump (10) outlet is connected with temperature adjustment heat exchanger (6) through pipeline; Three grades of jet atomizations absorb cleaning device (5) import and connect make-up valve (12) with fluid infusion, and circulating pump (10) outlet arranges reclaims control valve (11) recovery circulation fluid.
2. urea prilling tower dust energy-saving and purifying retracting device according to claim 1, it is characterized in that: urea prilling tower increases casing (3) and places the top of urea prilling tower (1) and be fixedly connected with, and urea prilling tower increases casing (3) and absorbs cleaning devices (5) and be fixedly connected with one-level jet atomization absorption plant (4), two-stage injection atomization absorption device (41), three grades of jet atomizations.
3. urea prilling tower dust energy-saving and purifying retracting device according to claim 1 is characterized in that: urea prilling tower increase arranges successively from top to bottom in the casing (3) three grades spray absorb cleaning devices (5), the cross-flow drops capture separating filler (14), two-stage injection atomization absorption device (41), vertical honeycomb filler (13), one-level jet atomization absorption plant (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563792 CN202876620U (en) | 2012-10-30 | 2012-10-30 | Energy-saving urea prilling tower dust purification and recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563792 CN202876620U (en) | 2012-10-30 | 2012-10-30 | Energy-saving urea prilling tower dust purification and recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202876620U true CN202876620U (en) | 2013-04-17 |
Family
ID=48068086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220563792 Expired - Fee Related CN202876620U (en) | 2012-10-30 | 2012-10-30 | Energy-saving urea prilling tower dust purification and recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202876620U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383790A (en) * | 2014-10-20 | 2015-03-04 | 安徽晋煤中能化工股份有限公司 | Technology for reducing noise and ammonia content generated during discharging process of CO2 stripping process urea device |
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| WO2018064958A1 (en) * | 2016-10-03 | 2018-04-12 | 北京奈艾斯新材料科技有限公司 | Apparatus for preparing nano-carbon urea |
| CN107970716A (en) * | 2018-01-12 | 2018-05-01 | 西安同大科技有限公司 | Mechanical ventilation type tower top treating flour dust retracting device |
| CN108339350A (en) * | 2018-04-19 | 2018-07-31 | 镇江市恒升达化工科技有限公司 | A kind of urea granulation tower powder/dust reclaiming device of lower resistance |
-
2012
- 2012-10-30 CN CN 201220563792 patent/CN202876620U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104383790A (en) * | 2014-10-20 | 2015-03-04 | 安徽晋煤中能化工股份有限公司 | Technology for reducing noise and ammonia content generated during discharging process of CO2 stripping process urea device |
| CN105688586A (en) * | 2016-04-06 | 2016-06-22 | 王献 | Dust recycling device for high-tower granulation of compound fertilizer |
| WO2018064958A1 (en) * | 2016-10-03 | 2018-04-12 | 北京奈艾斯新材料科技有限公司 | Apparatus for preparing nano-carbon urea |
| US10625229B2 (en) | 2016-10-03 | 2020-04-21 | Beijing Nano Hi-Tech Material Co., Ltd. | Device for preparing nano-carbon urea |
| CN107970716A (en) * | 2018-01-12 | 2018-05-01 | 西安同大科技有限公司 | Mechanical ventilation type tower top treating flour dust retracting device |
| CN108339350A (en) * | 2018-04-19 | 2018-07-31 | 镇江市恒升达化工科技有限公司 | A kind of urea granulation tower powder/dust reclaiming device of lower resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202876620U (en) | Energy-saving urea prilling tower dust purification and recovery device | |
| CN100556503C (en) | A kind of method of purifying carbamide granulation tower dust | |
| CN104014236A (en) | Smoke purifying and residual heat deep recycling integrated device | |
| CN105688586A (en) | Dust recycling device for high-tower granulation of compound fertilizer | |
| CN203540297U (en) | Xylene tail gas recovery device | |
| CN203556247U (en) | Gas-phase washing tower | |
| CN200974818Y (en) | Gas-liquid cocurrent flow type cooling washer for carbamide granulation exhaust gas | |
| CN202844801U (en) | Urea dust recovery device | |
| CN101721901A (en) | Flue gas desulfurization and denitration purifying device in chimney of horizontal flue | |
| CN202506306U (en) | Novel ammonia process desulfurization absorption device | |
| CN206121512U (en) | Exhaust gas treatment system | |
| CN205760480U (en) | The device for absorbing tail gas that a kind of benzyl alcohol produces | |
| CN204208445U (en) | Flue gas desulfurization denitration dust-removing integrated treatment facility | |
| CN100400430C (en) | Energy saving, purifying and recovering process for urea process condensate | |
| CN205495269U (en) | A dust recovery device for compound fertilizer tower granulation | |
| CN102350162A (en) | Tower top dust recovery device for urea granulation tower and recovery method for dust on top of urea granulation tower | |
| CN201217653Y (en) | Urea granulation flour dust recovering device | |
| CN205288031U (en) | Clarification plant is retrieved to pickling line acid mist | |
| CN203507780U (en) | Exhaust gas recovery device and exhaust gas recovery system for processing copper-clad plate | |
| CN203816465U (en) | Waste gas absorption tower | |
| CN103524298B (en) | Method for recovering methanol from tail gas washing water in low-temperature methanol washing technology | |
| CN207928972U (en) | For hot waste gas environment-friendly processing unit | |
| CN208612143U (en) | A kind of extruder flue gas purification device | |
| CN203196524U (en) | Waste gas purification system for treating livestock excrement to produce organic fertilizers | |
| CN207259164U (en) | A kind of revolving bed ammonia recovery unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141030 |
|
| EXPY | Termination of patent right or utility model |