CN203437026U - Fume purification system for garbage burning - Google Patents
Fume purification system for garbage burning Download PDFInfo
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- CN203437026U CN203437026U CN201320538458.3U CN201320538458U CN203437026U CN 203437026 U CN203437026 U CN 203437026U CN 201320538458 U CN201320538458 U CN 201320538458U CN 203437026 U CN203437026 U CN 203437026U
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- adsorption tower
- sack cleaner
- dry type
- half dry
- type adsorption
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Abstract
A fume purification system for garbage burning comprises a semi-dry adsorption tower, a lime slurry preparation system, an active carbon ejecting system and a bag-type dust collector, wherein a rotary sprayer is connected with the lime slurry preparation system and arranged at the top end of the semi-dry adsorption tower; a discharging opening is formed in the bottom end of the semi-dry adsorption tower; a fume pipe inlet is connected with the semi-dry adsorption tower; the active carbon ejecting system is arranged in the center of the fume pipe; the bag-type dust collector is connected with the air outlet of the fume pipe; a dust collection cloth bag is adopted as a filtration medium in the bag-type dust collector; a bag-type dust collector discharging opening is formed in the bottom end of the bag-type dust collector; a centrifugal blower and a chimney are arranged at a wind outlet. The fume purification system for the garbage burning and a purification process thereof don't generate wastewater, consume less water than a wetting washing tower , are simple in procedure, and relatively low in cost of investment and running.
Description
Technical field
The utility model relates to a kind of cleaning system, relates in particular to a kind of waste incinerated smoke purification system.
Background technology
The flue gas producing of burning away the refuse mainly comprises: 1, sour gas (HCl, HF, SOx etc.), dust (particle), heavy metal (Hg, Pb, Cr etc.) and organic hypertoxicity pollutant (bioxin, furans etc.); HCl and HF are mainly because plastic containing chlorine, resin and other organic matters in rubbish produce in burning process; SO
xmainly that sulphur compound contained in rubbish produces in burning process, wherein with SO
2be main, under the catalytic action of heavy metal, can generate a small amount of SO
3.2, dust mainly the inorganic component in incineration ashes form, particle size range≤200 μ m, conventionally at heat boiler outlet place.3, heavy metal comprises Hg, Cd, Pb, As etc., mainly from the refuse battery in rubbish, fluorescent tube, the coating that contains heavy metal, paint etc.; Hg and Cd in flue gas not only the state with flue gas exist, also with gaseous state, exist simultaneously, this is because some compound that contains Hg and Cd composition volatilizees produced in combustion process, when temperature reduces, the volatility of heavy metallic mixture will reduce tempestuously, and correspondingly its discharge also will reduce thereupon.4, rubbish also can produce the tricyclic aromatic organic compound ，Qi Yibei World Health Organization that dioxin toxicity is very strong and classify one-level carcinogen as in combustion process; Bioxin and furans are mainly to produce during by the castoff burning of the compositions such as chloride pesticide, rust remover, plastics, synthetic resin.
For the process for purifying of sour gas, there are wet method and dry method.The pollutant purification of wet cleaning technique is most effective, but flow process is complicated, and corollary equipment is more, and has follow-up waste water handling problem, and one-time investment and operating cost are high; Dry purification process is fairly simple, invests lowly, and operation maintenance is convenient, are desirable selections, but dry process purification efficiency is relatively low, there is no room for promotion in a lot of occasions.For the purification of dust, heavy metal, bioxin, along with the increasingly stringent of environmental requirement, the purification efficiency of electric cleaner is lower, not only can not meet and remove organic matter (bioxin etc.), the needs of heavy metal, can not meet the requirement of dust emission simultaneously.
Technique or system for garbage-incineration smoke purifying has much at present, as Chinese patent (patent No. is CN103185346) disclosed a kind of exhaust gas purifying system for waste incineration and technique thereof, adopt a set for the treatment of process of spraying depickling, deduster, gas cooler, flue gas washing tower, smoke re-heater, in follow-up treatment process, adopted flue gas cooling, washing, then some row processes of heat, wasted the energy, structure is more complicated also, difficult in maintenance.
Utility model content
Complicated for solving above-mentioned prior art flow process, corollary equipment is more, and one-time investment and operating cost are high, the problem that treatment effeciency is low, and the utility model provides a kind of refuse incineration flue gas purification system.
The technical solution of the utility model is: a kind of waste incinerated smoke purification system, comprises half dry type adsorption tower, lime white preparation system, active carbon spraying system, sack cleaner, it is characterized in that: half dry type adsorption tower top arranges rotary sprayer, rotary sprayer connects lime white preparation system, half dry type adsorption tower bottom is provided with half dry type adsorption tower floss hole, the air inlet of flue is connected with half dry type adsorption tower, active carbon spraying system is arranged on the flue between half dry type adsorption tower and sack cleaner, what be connected with flue gas outlet is sack cleaner, the filter medium adopting in sack cleaner is dust-removal cloth-bag, sack cleaner bottom is provided with sack cleaner floss hole, sack cleaner floss hole, half dry type adsorption tower floss hole is connecting grey storehouse, air outlet arranges centrifugal blower and chimney.Described active carbon spraying system comprises feed hopper, electronic scale, venturi-type eductors, air blast, the top, one end of described electronic scale taps into hopper, other end below is connected with venturi-type eductors, air blast is arranged on venturi-type eductors air intake, and the outlet air end of venturi-type eductors is connected to the flue between half dry type adsorption tower and sack cleaner.
Its process route of native system is: the aqua calcis that the sour gas in a, incineration flue gas sprays with rotary sprayer reacts and generates salt, fall to bottom and discharge from half dry type adsorption tower floss hole, the aqua calcis that rotary sprayer sprays is from lime white preparation system; Flue gas and lime white adopt following current or counter-flow designs, and no matter which kind of type of flow half dry type adsorption tower adopts, and its main purpose is and maintains the time of contact that flue gas fully reacts with lime white particulate, to obtain higher deacidification efficiency.B, the flue gas after half dry type adsorption tower is processed enter into flue, and active carbon spraying system is sprayed onto active carbon powder in this flue, and active carbon powder fully mixes in pipeline with flue gas, adsorb in flue gas the materials such as bioxin; Can, by regulating active carbon emitted dose, reach different bioxin control criterions.C, the interior unreacted of half dry type adsorption tower be lime completely, can enter sack cleaner with flue gas, part unreacted reactant by the dust-removal cloth-bag being attached in sack cleaner with acid gas by dust-removal cloth-bag secondary response again, deacidification efficiency is further improved, also improved the utilization rate of lime white simultaneously; For heavy metal, purify, waste incineration produces the heavy metal contaminants of volatileness in waste gas, and major part can condense into voluntarily particle when temperature reduces, thereby is collected and remove by sack cleaner.D, the waste gas after processing under the effect of centrifugal blower by smoke stack emission in atmosphere.
The beneficial effects of the utility model are:
One, half dry type adsorption tower deacidification efficiency is higher, to the clearance of HCl, can surpass 90%.
Two, general organic pollution and heavy metal are also had to good removal effect, collocation sack cleaner, removal efficiency of heavy metals can surpass 99%; .
Three, do not produce discharge of wastewater, water consumption is fewer than wet scrubber tower.
Four, flow process is simple, and investment and operating cost are relatively low.
Accompanying drawing explanation
The utility model has accompanying drawing 2 width.
Fig. 1 is a kind of waste incinerated smoke purification system schematic diagram;
Fig. 2 is active carbon spraying system schematic diagram.
In Fig. 1,1, half dry type adsorption tower, 2, air inlet, 3, lime white preparation system, 4, rotary sprayer, 5, sack cleaner, 6, Hui Ku, 7, active carbon spraying system, 8, centrifugal blower, 9, chimney, 10, half dry type adsorption tower floss hole, 11, sack cleaner floss hole.
In Fig. 2,71, feed hopper, 72, electronic scale, 73, air blast, 74, venturi-type eductors.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail: a kind of waste incinerated smoke purification system, comprises half dry type adsorption tower 1, lime white preparation system 3, active carbon spraying system 7, sack cleaner 5, half dry type adsorption tower 1 top arranges rotary sprayer 4, rotary sprayer 4 connects lime white preparation system 3, half dry type adsorption tower 1 bottom is provided with half dry type adsorption tower floss hole 10, the air inlet of flue is connected with half dry type adsorption tower 1, active carbon spraying system 7 is arranged on the flue between half dry type adsorption tower 1 and sack cleaner 5, what be connected with flue gas outlet is sack cleaner 5, the filter medium adopting in sack cleaner 5 is dust-removal cloth-bag, sack cleaner 5 bottoms are provided with sack cleaner floss hole 11, sack cleaner floss hole 11, half dry type adsorption tower floss hole 10 is connecting grey storehouse 6, air outlet arranges centrifugal blower 8 and chimney 9, described active carbon spraying system 7 comprises feed hopper 71, electronic scale 72, venturi-type eductors 74, air blast 73, the top, one end of described electronic scale 72 taps into hopper 71, other end below is connected with venturi-type eductors 74, air blast 73 is arranged on venturi-type eductors 74 air intakes, and the outlet air end of venturi-type eductors 74 is connected to the flue between half dry type adsorption tower 1 and sack cleaner 5.
Its process for purifying is, in a step, incineration flue gas is under the attraction force acts of centrifugal blower 8, through air inlet 2, enter into half dry type adsorption tower 1, the volatilization of moisture can make the temperature of flue gas reduce, the aqua calcis that flue gas sprays with rotary sprayer 4 simultaneously reacts and generates salt, falls to bottom and discharges from half dry type adsorption tower floss hole 10; Lime white preparation system 3 is used for preparing aqua calcis.
In b step, in half dry type adsorption tower 1, flue gas out enters into flue, and active carbon spraying system 7 is ejected into active carbon powder in flue and fully contacts mixing with flue gas, bioxin and part heavy metal substance in Adsorption flue gas.
Active carbon spraying system in b step, active carbon powder is put in feed hopper 71, by electronic scale 72, claim afterwards the number of active carbon powder, according to the consumption of the different adjustable activity carbon powders of Dui bioxin processing requirements, described venturi-type eductors 74 is to utilize air blast 73 to produce positive pressure air stream to produce suction through venturi-type eductors 74, thereby siphon away the active carbon powder in another flue being connected with venturi-type eductors 74, and under the effect of positive pressure air stream, carry active carbon powder to the flue being connected with venturi-type eductors 74 right-hand members.
In c step, described sack cleaner 5 is comprised of some dust-removal cloth-bags, be used for adsorbing in pipeline dust in the flue gas after processing, through cooling, condense into heavy metal and other particulate matters of particle, the pollutant being blocked is discharged from sack cleaner floss hole 11.
In a and c step, the particulate pollutant that the saline solution of discharging through half dry type adsorption tower floss hole 10 and sack cleaner floss hole 11 are discharged jointly enters into grey storehouse 6 and focuses on.
In d step, through the gas purifying, under the effect of centrifugal blower 8, by chimney 9, be drained in atmosphere.
Claims (2)
1. a waste incinerated smoke purification system, comprises half dry type adsorption tower (1), lime white preparation system (3), active carbon spraying system (7), sack cleaner (5), it is characterized in that: half dry type adsorption tower (1) top arranges rotary sprayer (4), rotary sprayer (4) connects lime white preparation system (3), half dry type adsorption tower (1) bottom is provided with half dry type adsorption tower floss hole (10), the air inlet of flue is connected with half dry type adsorption tower (1), active carbon spraying system (7) is arranged on the flue between half dry type adsorption tower (1) and sack cleaner (5), what be connected with flue gas outlet is sack cleaner (5), the filter medium adopting in sack cleaner (5) is dust-removal cloth-bag, sack cleaner (5) bottom is provided with sack cleaner floss hole (11), sack cleaner floss hole (11), half dry type adsorption tower floss hole (10) is connecting grey storehouse (6), air outlet arranges centrifugal blower (8) and chimney (9).
2. a kind of waste incinerated smoke purification system as claimed in claim 1, it is characterized in that: described active carbon spraying system (7) comprises feed hopper (71), electronic scale (72), venturi-type eductors (74), air blast (73), the top, one end of described electronic scale (72) taps into hopper (71), other end below is connected with venturi-type eductors (74), air blast (73) is arranged on venturi-type eductors (74) air intake, the outlet air end of venturi-type eductors (74) is connected to the flue between half dry type adsorption tower (1) and sack cleaner (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538458.3U CN203437026U (en) | 2013-08-30 | 2013-08-30 | Fume purification system for garbage burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538458.3U CN203437026U (en) | 2013-08-30 | 2013-08-30 | Fume purification system for garbage burning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203437026U true CN203437026U (en) | 2014-02-19 |
Family
ID=50088103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538458.3U Withdrawn - After Issue CN203437026U (en) | 2013-08-30 | 2013-08-30 | Fume purification system for garbage burning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203437026U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432887A (en) * | 2013-08-30 | 2013-12-11 | 大连绿亿环保科技有限公司 | Waste incineration flue gas purifying system and process |
| CN105903283A (en) * | 2016-05-30 | 2016-08-31 | 江苏三井环保股份有限公司 | Pulse bag type dust collector |
| CN106139872A (en) * | 2016-08-14 | 2016-11-23 | 安徽盛运环保（集团）股份有限公司 | A kind of flue gas of refuse burning processing means |
| CN107824349A (en) * | 2017-11-01 | 2018-03-23 | 中国恩菲工程技术有限公司 | Activated carbon nozzle |
| US10822442B2 (en) | 2017-07-17 | 2020-11-03 | Ecolab Usa Inc. | Rheology-modifying agents for slurries |
-
2013
- 2013-08-30 CN CN201320538458.3U patent/CN203437026U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432887A (en) * | 2013-08-30 | 2013-12-11 | 大连绿亿环保科技有限公司 | Waste incineration flue gas purifying system and process |
| CN105903283A (en) * | 2016-05-30 | 2016-08-31 | 江苏三井环保股份有限公司 | Pulse bag type dust collector |
| CN105903283B (en) * | 2016-05-30 | 2018-04-03 | 江苏三井环保股份有限公司 | Pulsed jet cloth filter |
| CN106139872A (en) * | 2016-08-14 | 2016-11-23 | 安徽盛运环保（集团）股份有限公司 | A kind of flue gas of refuse burning processing means |
| US10822442B2 (en) | 2017-07-17 | 2020-11-03 | Ecolab Usa Inc. | Rheology-modifying agents for slurries |
| CN107824349A (en) * | 2017-11-01 | 2018-03-23 | 中国恩菲工程技术有限公司 | Activated carbon nozzle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |