CN201776071U - Three-layer spray-type desulfurization tower - Google Patents
Three-layer spray-type desulfurization tower Download PDFInfo
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- CN201776071U CN201776071U CN2009200948244U CN200920094824U CN201776071U CN 201776071 U CN201776071 U CN 201776071U CN 2009200948244 U CN2009200948244 U CN 2009200948244U CN 200920094824 U CN200920094824 U CN 200920094824U CN 201776071 U CN201776071 U CN 201776071U
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- desulfurizing tower
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Abstract
The utility model relates to a three-layer spray-type desulfurization tower which is characterized in that a spray system is arranged above the flue gas inlet of a desulfurization tower on the bottom of absorption equipment; a flow equalizing system is arranged between the spray system and the flue gas inlet, and flue gas enters the spray system through the flow equalizing system; the spray system is composed of a plurality of atomization spray layers; 3-5 spray pipes are arranged in parallel above each spray layer, and atomizing nozzles are staggered on the spray pipes; a demister is arranged on the top of the spray system in the desulfurization tower, and a layer of demister flushing nozzles are arranged at the upper part of the demister; reinforcing ribs are arranged outside a desulfurization tower body alternately; the bottom of a recovery unit is equipped with an aeration system connected with a fan outside the tower body; and a manual slag discharge valve and an automatic slag discharge pump are arranged on the bottom of the recovery unit. The three-layer spray desulfurization tower can meet the requirement of the national environmental protection department for boiler emission, consumption of a desulfurizing agent and a water source is saved, and the wear consumption and power consumption of a circulating pump are reduced.
Description
Technical field:
The utility model relates to a kind of three layers of spray desulfurizing tower, belongs to environmental technology field.
Background technology:
At present the configuration of spray system circulating pump all is the using and the reserved, makes that system power consumption is big, water consumption is big, flow system flow is non-adjustable, causes the wasting of resources.And in order to reach the requirement of national environmental protection department to boiler emission, " three layers of spraying technique " i.e. be " a pump one deck ": the corresponding one deck spraying layer of circulating pump.The advantage that adopts this technology is to control the firing platform number of circulating pump according to the sulfur content of different atures of coal, can control the calcium content and the water yield in the desulfurizing agent like this, thereby can regulate best calcium sulfur ratio and liquid-gas ratio, so that reach best desulfuration efficiency.Both save simultaneously the consumption at desulfurizing agent and water source, reduced the attrition and the power consumption of circulating pump again.
But wet process of FGD exists rich solution to be difficult to stubborn problems such as processing, precipitation, fouling and obstruction, corrosion and wearing and tearing usually.These problems are bad as what solve, just problem such as can cause that secondary pollution, running efficiency lowly maybe can not be moved.
Summary of the invention:
The purpose of this utility model is to provide a kind of three layers of spray desulfurizing tower, in order to improve absorptivity, be evenly distributed after making flue gas go into tower, multilayer atomizing spray layer is set above the desulfurizing tower smoke inlet, staggered mode is arranged atomizer, and desulfurizing tower stock tank and tower body are structure as a whole, and it can reach the requirement of national environmental protection department to boiler emission, save the consumption at desulfurizing agent and water source, and can reduce the attrition and the power consumption of circulating pump.
The technical solution of the utility model is achieved in that three layers of spray desulfurizing tower, is made up of exhanst gas outlet, absorption plant, retracting device; It is characterized in that: the desulfurizing tower smoke inlet top, bottom of absorption plant is provided with spray system, between spray system and smoke inlet, be provided with current-equalizing system, flue gas enters spray system after by current-equalizing system, spray system is made up of multilayer atomizing spray layer, the 3-5 root shower that above each spraying layer, is arranged in parallel, interlaced arrangement atomizer on the shower; Spray system top in the desulfurizing tower is provided with demister, and demister top is provided with one deck demister flooding nozzle; Become 30 ° of degree angles with the desulfurizing tower inwall with the nozzle on two showers that the desulfurizing tower inwall faces mutually, the nozzle on other shower is parallel with the desulfurizing tower inwall; Desulfurizing tower tower body outside is provided with reinforcement, and reinforcement is spaced; Retracting device bottom is provided with aerating system, and the outer blower fan of aerating system and tower body links to each other, and retracting device is provided with manual residual cake valve and automatic discharge pump below.
Described demister material adopts RPP or carbon steel;
Described current-equalizing system is made up of the eddy flow plate, adopts stainless steel to make;
Described nozzle can be solid tapered spiral nozzle, low-pressure nozzle, and nozzle is opened soon with shower employing cassette and is connected, and shower adopts the FRP glass-reinforced plastic material.
Smoke inlet and exhanst gas outlet in the described desulfurizing tower are respectively equipped with temperature monitor, tower body pressure drop monitor, and the inner wall anti-corrosive layer of desulfurizing tower is the glass flake layer,
Good effect of the present utility model is: can reasonably reclaim and utilize the Sulfates in the rich solution, make changing waste into resources, control water evaporates speed and evaporation capacity in the absorption liquid effectively; The pH value of control solution; Adopt resistant material making absorption tower and establish demister, make cleaned gas before leaving the absorption tower, will carry out demist at its top; Can reach of the requirement of national environmental protection department, save the consumption at desulfurizing agent and water source, and can reduce the attrition and the power consumption of circulating pump boiler emission.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an internal structure schematic diagram of the present utility model;
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described: as Figure 1-3, three layers of spray desulfurizing tower are made up of exhanst gas outlet 1, absorption plant 2, retracting device 3; It is characterized in that: desulfurizing tower smoke inlet 8 tops, bottom of absorption plant 2 are provided with spray system 6, between spray system 6 and smoke inlet 8, be provided with current-equalizing system 7, flue gas enters spray system 6 after by current-equalizing system 7, spray system 6 is made up of multilayer atomizing spray layer, the 3-5 root shower that above each spraying layer, is arranged in parallel, interlaced arrangement atomizer on the shower; Spray system top in the desulfurizing tower is provided with demister 5, and demister 5 tops are provided with one deck demister flooding nozzle 4; Become 30 ° of degree angles with the desulfurizing tower inwall with the nozzle on two showers that the desulfurizing tower inwall faces mutually, the nozzle on other shower is parallel with the desulfurizing tower inwall; Desulfurizing tower tower body outside is provided with reinforcement, and reinforcement is spaced; Retracting device bottom is provided with aerating system, and the outer blower fan of aerating system and tower body links to each other, and retracting device is provided with manual residual cake valve and automatic discharge pump below.
Current-equalizing system 7 is made up of the eddy flow plate, adopts stainless steel to make;
Nozzle can be solid tapered spiral nozzle, low-pressure nozzle, and nozzle is opened soon with shower employing cassette and is connected, and shower adopts the FRP glass-reinforced plastic material;
Flue gas is sent into desulfurizing tower by air-introduced machine by the bottom desulfurizing tower smoke inlet 8 of absorption plant 2 during work, passes through desulfurization after exhanst gas outlet 1 is drained in desulfurizing tower.
The technical process of desulfurization water system: at first in the dosing pond, add the solute of desulfurizing agent, in the dosing pond, carry out the making of desulfurizing agent, by the dosing submerged pump desulfurizing agent is sent in the desulfurizing tower then, be used for the desulfurizing tower inner loop by screw(-type) feeder.
Circulation is by circulating pump the desulfurizing agent of desulfurizing tower bottom to be squeezed in three layers of shower on desulfurizing tower top in the tower, and after the slurries in the shower were sprayed by nozzle, the flue gas of sending in the desulfurizing tower with air-introduced machine collided, absorbs and reacts, and carries out desulfurization.
After time, flue gas up to standard enters smoke stack emission through behind the demister by flue through certain reaction.Desulfurization slurry is after the oxidation processes of desulfurizing tower bottom, and precipitation is drained by deslagging pump or manual deslagging.Remaining liquid carries out recycling.
Claims (4)
1. three layers of spray desulfurizing tower are made up of exhanst gas outlet (1), absorption plant (2), retracting device (3); It is characterized in that: the desulfurizing tower smoke inlet top, bottom of absorption plant (2) is provided with spray system (6), between spray system (6) and smoke inlet (8), be provided with current-equalizing system (7), flue gas enters spray system (6) after by current-equalizing system (7), spray system (6) is made up of multilayer atomizing spray layer, the 3-5 root shower that above each spraying layer, is arranged in parallel, interlaced arrangement atomizer on the shower; Spray system (6) top in the desulfurizing tower is provided with demister (5), and demister (5) top is provided with one deck demister flooding nozzle; Become 30 ° of degree angles with the desulfurizing tower inwall with the nozzle on two showers that the desulfurizing tower inwall faces mutually, the nozzle on other shower is parallel with the desulfurizing tower inwall; Desulfurizing tower tower body outside is provided with reinforcement, and reinforcement is spaced; Retracting device (3) bottom is provided with aerating system, and the outer blower fan of aerating system and tower body links to each other, and retracting device (3) is provided with manual residual cake valve and automatic discharge pump below.
2. three layers of spray desulfurizing tower according to claim 1 is characterized in that described demister (5) material adopts RPP or carbon steel.
3. three layers of spray desulfurizing tower according to claim 1 is characterized in that described nozzle can be solid tapered spiral nozzle, low-pressure nozzle, and nozzle is opened soon with shower employing cassette and is connected, and shower adopts the FRP glass-reinforced plastic material.
4. three layers of spray desulfurizing tower according to claim 1 is characterized in that smoke inlet (8) and the exhanst gas outlet (1) in the described desulfurizing tower is respectively equipped with temperature monitor, tower body pressure drop monitor, and the inner wall anti-corrosive layer of desulfurizing tower is the glass flake layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200948244U CN201776071U (en) | 2009-11-20 | 2009-11-20 | Three-layer spray-type desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200948244U CN201776071U (en) | 2009-11-20 | 2009-11-20 | Three-layer spray-type desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201776071U true CN201776071U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200948244U Expired - Fee Related CN201776071U (en) | 2009-11-20 | 2009-11-20 | Three-layer spray-type desulfurization tower |
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| CN (1) | CN201776071U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182239A (en) * | 2011-12-27 | 2013-07-03 | 贵阳铝镁设计研究院有限公司 | Method for improving corrosion resistance of acidic gas washing tower and corrosion-resistant washing tower |
| CN109569247A (en) * | 2018-12-28 | 2019-04-05 | 江苏乾宏能源科技有限公司 | High-efficiency multi-stage wet type emulsifies desulphurization system |
| CN112023634A (en) * | 2020-09-08 | 2020-12-04 | 浙江兰电环保集团有限公司 | Wet desulfurization and denitrification equipment with multilevel spraying |
-
2009
- 2009-11-20 CN CN2009200948244U patent/CN201776071U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182239A (en) * | 2011-12-27 | 2013-07-03 | 贵阳铝镁设计研究院有限公司 | Method for improving corrosion resistance of acidic gas washing tower and corrosion-resistant washing tower |
| CN109569247A (en) * | 2018-12-28 | 2019-04-05 | 江苏乾宏能源科技有限公司 | High-efficiency multi-stage wet type emulsifies desulphurization system |
| CN112023634A (en) * | 2020-09-08 | 2020-12-04 | 浙江兰电环保集团有限公司 | Wet desulfurization and denitrification equipment with multilevel spraying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20131120 |