CN201505495U - Urea dust recovery device - Google Patents
Urea dust recovery device Download PDFInfo
- Publication number
- CN201505495U CN201505495U CN2009202283870U CN200920228387U CN201505495U CN 201505495 U CN201505495 U CN 201505495U CN 2009202283870 U CN2009202283870 U CN 2009202283870U CN 200920228387 U CN200920228387 U CN 200920228387U CN 201505495 U CN201505495 U CN 201505495U
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- tower body
- spray equipment
- shower
- communicated
- urea
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model relates to a urea dust recovery device, comprising a tower body, an air outlet is arranged at the upper end of the tower body, the lower end of the tower body is provided with a urea dust inlet and a liquid outlet, the liquid outlet is communicated with the inlet of a circulating pump through a liquid outlet pipeline, the outlet of the circulating pump is communicated with a urea recovery pipeline by a liquid inlet pipeline and a switching valve, a spraying device is arranged in the tower body and is composed of a plurality of spraying pipes, the water inlet of each spraying pipe is communicated with the liquid inlet pipeline, a spraying head is arranged on the spraying pipe, and a cycling plate, a defroster and a liquid distributer are sequentially arranged in the tower body at the upper end of the spraying device from bottom to top, and the liquid distributer is communicated with a cleaning solution inlet pipe; the urea dust recovery device in the utility model adopts the spraying device to adsorb the dust in waste gas, two-section separation process is applied, so as to effectively ensure the dedusting effect and the gas-water separation effect, avoid that the atomized cleaning solution and the processed gas are exhausted to the environment to cause secondary pollution, achieve the purpose of dedusting recovery and protect the environment.
Description
Technical field
The utility model relates to a kind of dust treatment plant, particularly a kind of urea dust recovery device that is used for.
Background technology
The urea processing industry can produce large quantity of exhaust gas in whole process of production, contain carbamide dust in the waste gas, and the domestic middle-size and small-size urea processing enterprise overwhelming majority does not all have the carbamide dust recycling and processing device, but directly waste gas is entered atmosphere, this kind way not only causes to a certain degree economic loss to enterprise, and carbamide dust can have a strong impact on air quality and cause environmental pollution, and crops around the plant area and the growth of flowers, plants and trees are had a strong impact on, and road and building are corroded.Along with to more and more paying attention to of environmental protection and energy-saving and cost-reducing going deep into, each urea enterprise all should use the urea plant dust, not only can solve problem of environmental pollution, also can obtain good economic benefit simultaneously.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of urea dust recovery device; it adopts the dust in the spray equipment absorption waste gas; use two sections separating technologies; dust removing effects and gas-water separation effect have been guaranteed effectively; the cleaning solution of can avoiding atomizing together is discharged from the gas after handling environment is caused secondary pollution; reach the purpose that dedusting is reclaimed, protected environment.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of urea dust recovery device, comprise tower body, the tower body upper end is provided with the gas outlet, the tower body bottom is provided with carbamide dust air inlet and liquid outlet, liquid outlet communicates with inlet of circulating pump by the fluid pipeline, circulating-pump outlet communicates with the urea recovery channel by input duct and transfer valve, spray equipment is installed in the tower body, spray equipment is made up of many showers, the water inlet of every shower is communicated with input duct, shower nozzle is installed on the shower, in the tower body of spray equipment upper end the eddy flow plate is installed successively from the bottom to top, demister and liquid distribution trough, liquid distribution trough is communicated with the cleaning solution inlet pipe.
Overflow pipe is installed in the tower body, and overflow pipe matches with liquid outlet.
Spray equipment is respectively first spray equipment and second spray equipment from the bottom to top, input duct is divided into first input duct and second input duct, first spray equipment is made up of many one-level showers, every one-level shower is communicated with first input duct, on the every one-level shower shower nozzle is installed, second spray equipment is made up of many secondary showers, and every secondary shower is communicated with second input duct, on the every secondary shower atomizer is installed.
In second spray equipment, the quantity of secondary shower is 8, from top to bottom on the N+1 root secondary shower on the aspect ratio N root secondary shower of the nozzle of atomizer the orientation of the nozzle of atomizer increase by 45 degree.
The tower body top is equipped with rain-proof shed.
The beneficial effect of a kind of urea dust recovery device that the utility model provides is as follows:
1, the employing spray equipment absorbs the dust in the waste gas, and liquid contacts with waste gas is reverse, reaches the purpose that reclaims carbamide dust; Two sections separating technologies have been used, gas is through eddy flow plate on the spray equipment and demister the time, and the liquid in the gas is separated, guarantees dust removing effects and gas-water separation effect effectively, the atomizing cleaning solution together is discharged from the gas after handling environment is caused secondary pollution, has protected environment;
2, spray equipment is made up of two spray equipments, dust in the waste gas is after the liquid of first spray equipment ejection absorbs, and the atomized liquid through the atomizer ejection of second spray equipment absorbs again, has adopted multiple spray dedusting technology, thereby gas-liquid is fully contacted, improved absorptivity;
3, atomizer adopts staggered mode to make runner unimpeded, the anti-obstruction;
4, simple in structure, low cost of manufacture, safe and convenient to use.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the front view of the utility model eddy flow plate;
Fig. 3 is the vertical view of the utility model eddy flow plate.
The specific embodiment
As shown in Figure 1, the utility model comprises tower body 1, tower body 1 upper end is provided with the gas outlet, tower body 1 bottom is provided with carbamide dust air inlet 9 and liquid outlet 10, liquid outlet 10 communicates by the import of fluid pipeline 120 with circulating pump 12, circulating pump 12 outlets communicate with urea recovery channel 11 by input duct 121 and transfer valve 16, in the tower body 1 spray equipment is installed, spray equipment is made up of many showers, the water inlet of every shower is communicated with input duct, shower nozzle is installed on the shower, in the tower body 1 of spray equipment upper end eddy flow plate 4 is installed successively from the bottom to top, demister 3 and liquid distribution trough 2, liquid distribution trough 2 is communicated with cleaning solution inlet pipe 15.
Overflow pipe 8 is installed in the tower body 1, and overflow pipe 8 matches with liquid outlet 10.
Spray equipment is respectively first spray equipment and second spray equipment from the bottom to top, input duct 121 is divided into first input duct 13 and second input duct 14, first spray equipment is made up of many one-level showers 7, every one-level shower 7 is communicated with first input duct 13, on the every one-level shower 7 shower nozzle is installed, second spray equipment is made up of many secondary showers 5, and every secondary shower 5 is communicated with second input duct 14, on the every secondary shower 5 atomizer 6 is installed.
In second spray equipment, the quantity of secondary shower 5 is 8, and from top to bottom the aspect ratio N root secondary shower 5 ' of the nozzle of atomizer 6 upward increases by 45 degree in the orientation of the nozzle of atomizer 6 ' on the N+1 root secondary shower 5.
Tower body 1 top is equipped with rain-proof shed 18.
The structure of eddy flow plate 4 is made of cover plate 19, eddy flow plate 20, ring flat-plate 21 and flat plate 22 as shown in Figures 2 and 3.
The course of work of the present utility model is as follows:
Gas from the urea entrained dust of fluid bed air-introduced machine or other devices, enter in the tower body 1 from the carbamide dust air inlet 9 of tower body 1 bottom, contact absorption with the liquid of spray equipment ejection is reverse, carbamide dust in the gas is washed down, remove the gas of carbamide dust and remove droplets entrained in the gas by eddy flow plate 4, gas enters demister 3 after distributor 17 quadratic distribution then, removes behind the droplet of carrying secretly in the gas gas outlet by tower body 1 upper end and discharges outside the tower.
Hydrolysis of urea waste liquid or steam condensate enter liquid distribution trough 2 by cleaning solution inlet pipe 15, to demister 3 clean and the liquid feeding effect after enter the bottom of tower body 1, send into spray equipment by circulating pump 12 again and absorb carbamide dust in the gas, and then go back to the bottom of tower body 1, recycling; When cleaning solution reached certain urea concentration, cleaning solution was admitted to the urea recovery channel and is recovered utilization.
Claims (5)
1. urea dust recovery device, comprise tower body (1), tower body (1) upper end is provided with the gas outlet, tower body (1) bottom is provided with carbamide dust air inlet (9) and liquid outlet (10), liquid outlet (10) communicates by the import of fluid pipeline (120) with circulating pump (12), circulating pump (12) outlet communicates with urea recovery channel (11) by input duct (121) and transfer valve (16), it is characterized in that: tower body is equipped with spray equipment in (1), spray equipment is made up of many showers, the water inlet of every shower is communicated with input duct, shower nozzle is installed on the shower, in the tower body (1) of spray equipment upper end eddy flow plate (4) is installed successively from the bottom to top, demister (3) and liquid distribution trough (2), liquid distribution trough (2) is communicated with cleaning solution inlet pipe (15).
2. a kind of urea dust recovery device according to claim 1 is characterized in that: overflow pipe (8) is installed in the tower body (1), and overflow pipe (8) matches with liquid outlet (10).
3. a kind of urea dust recovery device according to claim 1, it is characterized in that: spray equipment is respectively first spray equipment and second spray equipment from the bottom to top, input duct (121) is divided into first input duct (13) and second input duct (14), first spray equipment is made up of many one-level showers (7), every one-level shower (7) is communicated with first input duct (13), on the every one-level shower (7) shower nozzle is installed, second spray equipment is made up of many secondary showers (5), every secondary shower (5) is communicated with second input duct (14), and atomizer (6) is installed on the every secondary shower (5).
4. a kind of urea dust recovery device according to claim 3, it is characterized in that: in second spray equipment, the quantity of secondary shower (5) is 8, and from top to bottom the aspect ratio N root secondary shower (5 ') of the nozzle of the last atomizer (6) of N+1 root secondary shower (5) is gone up orientation increase by 45 degree of the nozzle of atomizer (6 ').
5. a kind of urea dust recovery device according to claim 1 is characterized in that: tower body (1) top is equipped with rain-proof shed (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202283870U CN201505495U (en) | 2009-09-25 | 2009-09-25 | Urea dust recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202283870U CN201505495U (en) | 2009-09-25 | 2009-09-25 | Urea dust recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201505495U true CN201505495U (en) | 2010-06-16 |
Family
ID=42466630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202283870U Expired - Fee Related CN201505495U (en) | 2009-09-25 | 2009-09-25 | Urea dust recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201505495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397735A (en) * | 2011-12-02 | 2012-04-04 | 苏州硒谷科技有限公司 | Selenium fertilizer producing and dedusting device |
-
2009
- 2009-09-25 CN CN2009202283870U patent/CN201505495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397735A (en) * | 2011-12-02 | 2012-04-04 | 苏州硒谷科技有限公司 | Selenium fertilizer producing and dedusting device |
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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: 20100616 Termination date: 20160925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |