CN201871321U - Desulfurization tower - Google Patents
Desulfurization tower Download PDFInfo
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- CN201871321U CN201871321U CN2010206086291U CN201020608629U CN201871321U CN 201871321 U CN201871321 U CN 201871321U CN 2010206086291 U CN2010206086291 U CN 2010206086291U CN 201020608629 U CN201020608629 U CN 201020608629U CN 201871321 U CN201871321 U CN 201871321U
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- tower body
- flue gas
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- tower
- demister
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Abstract
The utility model relates to the technical field of environmental protection, in particular to a desulfurization tower, which comprises a 16MnR steel tower body, a flue gas inlet pipe communicated with the lower part of the tower body, a draught fan arranged on the flue gas inlet pipe, a doctor solution pipeline communicated with the tower body, a spray pipe network arranged in the tower body and communicated with the doctor solution pipeline, a spray nozzle arranged on the spray pipe network, a demister arranged on the upper part in the tower body, and a liquid outlet and a flue gas outlet communicated with the tower body. The flue gas of the desulfurization tower firstly passes by the draught fan and then enters the tower body to avoid corroding an impeller of the draught fan, a case and the whole flue by wet flue gas exhausted from the tower body and prolong the service life of the impeller and the flue; the tower body is in an all-steel structure so as to solve the common problem of grout leakage of a granite tower body; and the demister eliminates droplets in the desulfurized wet flue gas and obviously reduces the corrosion caused by the flue gas to devices such as pipelines, fans and the like.
Description
Technical field
The utility model relates to environmental technology field, particularly relates to a kind of desulfurizing tower.
Background technology
The flue gas that boiler is discharged contains a large amount of sulfide, and directly row advances in the atmosphere to cause serious air pollution.To this, there is clearly regulation in country, and the discharging of boiler smoke must be handled through desulfurization, reaches certain standard and just allows to enter atmosphere.Therefore the desulfurization of boiler smoke processing is very important thing for enterprise.Existing desulfur technology comprises dry type desulfurizing method and wet type desulfurizing method, and wherein the wet type desulfurizing method utilizes alkali lye that the sulfur-containing smoke gas of acidity is sprayed, in and sulfur-containing smoke gas.This desulfurization method is stronger to the corrosivity of desulphurization plant, and wet flue gas is all comparatively strong to the corrosion of blower fan and flue, has influenced the service life and the effect of desulphurization plant.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of to blower fan and the less desulfurizing tower of boiler flue corrosion.
The purpose of this utility model realizes by following technical measures.
A kind of desulfurizing tower, comprise the 16MnR steel tower body, be communicated in the tower body bottom the flue gas inlet pipe, be installed on the flue gas inlet pipe air-introduced machine, be communicated in tower body the doctor solution pipeline, be installed in the tower body and the spray pipe network that is communicated with the doctor solution pipeline, be installed on the nozzle that sprays pipe network, be installed on the demister of tower body internal upper part and be communicated in the leakage fluid dram and the exhanst gas outlet of tower body.
Preferably, also comprise the flue gas cool-down device of stainless steel casing, the nozzle that is provided with the cooling liquid inlet and is communicated in the cooling liquid inlet is installed in the described flue gas cool-down device, described flue gas cool-down device is installed on the tower body porch of described flue gas inlet pipe.
Preferably, described demister is that a plurality of PE corrugated platings are assembled, and forms bending channel between adjacent two PE corrugated platings.
Preferably, described demister is two-layer up and down, and the spacing between the PE corrugated plating of lower floor is greater than the spacing between the PE corrugated plating on upper strata.
Preferably, described tower body inwall is lined with the thick glass flake of 3-4mm.
Preferably, described spray pipe network is made up of a plurality of showers that are communicated in described doctor solution pipeline, and each shower is provided with nozzle.
Preferably, four layers of being set to arrange from top to bottom of described spray pipe network.
Preferably, described leakage fluid dram is arranged at the sidewall bottom of tower body.
Preferably, described exhanst gas outlet is arranged at the top of tower body.
The flue gas of desulfurizing tower of the present utility model is earlier through air-introduced machine, after enter tower body, avoided the wet flue gas of discharging from tower body corrosion to impeller, casing and the whole flue of air-introduced machine, prolonged the service life of impeller and flue; Tower body adopts full steel structure to solve the ubiquitous tower body of the pocked stone pagoda body slurries problem that leaks outside; Demister has been eliminated the drop in the wet flue gas after the desulfurization, has significantly reduced the corrosion of flue gas to equipment such as pipeline and blower fans.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of an embodiment of desulfurizing tower of the present utility model.
Fig. 2 is the structural representation of demister of an embodiment of desulfurizing tower of the present utility model.
The specific embodiment
The utility model is described in further detail with the following Examples.
An embodiment of a kind of desulfurizing tower of the present utility model as shown in Figure 1.Present embodiment is applied to use dyeing waste water as desulfurizing agent the boiler sulfur-containing smoke gas to be carried out purified treatment, and promptly the wet method external desulfurzation method of employing " treatment of wastes with processes of wastes against one another " removes the SO in the boiler smoke
2And flue dust, to reach the purpose that purifies flue gas.
As Fig. 1, the desulfurizing tower of present embodiment comprises the tower body 10 of 16MnR steel, the flue gas inlet pipe 20 that is communicated in tower body 10 bottoms, air-introduced machine 21 that is installed on flue gas inlet pipe 20 and flue gas cool-down device 22, be communicated in the doctor solution pipeline 30 of tower body 10, be installed in the tower body 10 and the spray pipe network 11 that is communicated with doctor solution pipeline 30, be installed on the nozzle 12, the demister 13 that is installed on tower body 10 internal upper parts, the leakage fluid dram 31 that is communicated in tower body 10 and the exhanst gas outlet 32 that spray pipe network 11.
The flue gas cool-down device 22 that also comprises stainless steel casing, flue gas cool-down device 22 are provided with cooling liquid inlet 221 and are communicated in the nozzle 222 of cooling liquid inlet 221.Described cooling liquid also uses dyeing waste water.
As Fig. 2, described demister 13 is made for the PE material, and is two-layer about being set to, and every layer by a plurality of PE corrugated platings 132 cooperation compositions, form bending channel 131 between adjacent two PE corrugated platings 132, the flue gas after the desulfurization can be removed through bending channel 131 back fogs.
Air-introduced machine 21 is installed on the flue gas inlet pipe 20, and flue gas is earlier through air-introduced machine 21, after enter tower body 10, flue gas before by air-introduced machine 21 the Net through three electric field electric cleaners eliminate dirt, the dense degree ≦ 100mg/Nm3 of flue gas.The benefit that air-introduced machine 21 is installed in flue gas inlet pipe 20 is, avoided the wet flue gas of discharging from tower body 10 corrosion to impeller, casing and the whole flue of air-introduced machine 21, prolonged the service life of impeller and flue.Many tower body 10 air-introduced machines 21 afterwards that are contained in all exist impeller dust stratification and corrosion, generally will change the impeller of an air-introduced machine 21 half a year.
Flue gas inlet pipe 20 is equipped with flue gas cool-down device 22 in tower body 10 import departments, flue gas cool-down device 22 adopts the 316L stainless steel as shell, the nozzle 222 that material is Co60 is equipped with at the top of flue gas cool-down device 22, nozzle 222 adopts anti-blocking design, the cooling water source is a dyeing waste water, so flue gas had removed part SO before entering tower body 10
2
The concrete structure of a desulfurizing tower of following discloses.
1) tower body 10 adopts full steel structure, and material is the 16MnR(ordinary low-alloy steel, is pressure vessel steel commonly used), inner wall of tower is lined with 3.5mm heavy sheet glass scale.Thick δ=the 30mm of tower diapire, direct tube section and awl section wall thickness δ=16mm, 1# tower diameter D=Φ 7500mm, awl mouthful inner diameter d=Φ 5500mm can share tower height 29m for the flue gas desulfurization of 4 75T/H CFBBs.2# tower diameter D=Φ 6800mm, awl mouthful inner diameter d=Φ 4500mm can share tower height 28m for the flue gas desulfurization of 2 130T/H CFBBs.The diameter of phi 800mm of leakage fluid dram 31, with tower body 10 base plate centre-to-centre spacing be 900mm, flue gas inlet pipe 20 is of a size of 3000 * 3200mm, with tower body 10 base plate centre-to-centre spacing 8700mm.
2). the spray pipe network 11 and the tower body 10 base plate centre-to-centre spacing 13000mm of slurries, total four layers of arranging from top to bottom.Spray pipe network 11 is made up of a plurality of showers, and nozzle 12 is set on each shower, and the shower material is 316L.Every layer of spray pipe network 11 has totally 50 at nozzle 12, and the material of nozzle 12 is CoA6 (having good corrosion-resistant, high temperature resistant, shock resistance and antisticking polishing machine), totally 200.The spray pipe network 11 of each layer slurries is made up of major trunk roads and a pipe ﹑ tubule, guarantees that the atomizing effect of nozzle 12 does not stay the dead angle, guarantees that slurries and flue gas fully react, and remove SO2.
3). totally 2 layers of demisters 13 (for making things convenient for installation and maintenance, every layer of demister 13 is divided into 24 that differ in size according to tower body 10 shapes), the upper strata is a fine filtering, lower floor is a coarse filtration, through the moisture content of moisture flue gas being reduced to 75mg/Nm3 behind the thickness demister.The operation principle of the demister 13 that PE corrugated plating 132 is formed: flue gas is by the bending channel 131 of demister 13, under the effect of inertia force and gravity with flue gas in droplets entrained separate, flue gas after the desulfurization with certain velocity flow through demister 13, flue gas is by quick, continuously change the direction of motion, effect because of centrifugal force and inertia force, droplet in the flue gas strikes on the PE corrugated plating 132 of demister 13 and is captured down, droplet forms current, effect because of gravity, fall to tower body 10 bottoms, realized gas-liquid separation, the flue gas of the feasible demister 13 of flowing through reaches demist and requires the back to discharge.For avoiding demister 13 to stop up, clear water backwash device is housed under 3 surfaces below in 4 surfaces of demister 13, the water source is provided by backwashing pump, regularly carries out backwash.The spray pipe network 11 of slurries and the support material of demister 13 are 316L.
Desulfurizing tower of the present utility model is applicable to the outer wet method desulfurization dust separation flue gas system of the stove of " treatment of wastes with processes of wastes against one another ".
Should be noted that at last; above embodiment only is used to the technical solution of the utility model is described but not to the restriction of the utility model protection domain; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (9)
1. desulfurizing tower is characterized in that: comprise the 16MnR steel tower body, be communicated in the tower body bottom the flue gas inlet pipe, be installed on the flue gas inlet pipe air-introduced machine, be communicated in tower body the doctor solution pipeline, be installed in the tower body and the spray pipe network that is communicated with the doctor solution pipeline, be installed on the nozzle that sprays pipe network, be installed on the demister of tower body internal upper part and be communicated in the leakage fluid dram and the exhanst gas outlet of tower body.
2. desulfurizing tower according to claim 1, it is characterized in that: the flue gas cool-down device that also comprises stainless steel casing, the nozzle that is provided with the cooling liquid inlet and is communicated in the cooling liquid inlet is installed in the described flue gas cool-down device, and described flue gas cool-down device is installed on the tower body porch of described flue gas inlet pipe.
3. desulfurizing tower according to claim 1 is characterized in that: described demister is that a plurality of PE corrugated platings are assembled, and forms bending channel between adjacent two PE corrugated platings.
4. desulfurizing tower according to claim 3 is characterized in that: described demister is for two-layer up and down, and the spacing between the PE corrugated plating of lower floor is greater than the spacing between the PE corrugated plating on upper strata.
5. desulfurizing tower according to claim 1 is characterized in that: described tower body inwall is lined with the thick glass flake of 3-4mm.
6. desulfurizing tower according to claim 1 is characterized in that: described spray pipe network is made up of a plurality of showers that are communicated in described doctor solution pipeline, and each shower is provided with nozzle.
7. desulfurizing tower according to claim 6 is characterized in that: four layers of being set to arrange from top to bottom of described spray pipe network.
8. desulfurizing tower according to claim 1 is characterized in that: described leakage fluid dram is arranged at the sidewall bottom of tower body.
9. desulfurizing tower according to claim 1 is characterized in that: described exhanst gas outlet is arranged at the top of tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206086291U CN201871321U (en) | 2010-11-16 | 2010-11-16 | Desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206086291U CN201871321U (en) | 2010-11-16 | 2010-11-16 | Desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201871321U true CN201871321U (en) | 2011-06-22 |
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ID=44159255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206086291U Expired - Lifetime CN201871321U (en) | 2010-11-16 | 2010-11-16 | Desulfurization tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201871321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543407A (en) * | 2018-04-16 | 2018-09-18 | 哈尔滨理工大学 | Boiler flue gas purification desulfurizer |
| CN112495069A (en) * | 2020-11-20 | 2021-03-16 | 朱伯麟 | Foam catching device for purifying liquid sulfur foams in hydrogen sulfide gas |
-
2010
- 2010-11-16 CN CN2010206086291U patent/CN201871321U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543407A (en) * | 2018-04-16 | 2018-09-18 | 哈尔滨理工大学 | Boiler flue gas purification desulfurizer |
| CN112495069A (en) * | 2020-11-20 | 2021-03-16 | 朱伯麟 | Foam catching device for purifying liquid sulfur foams in hydrogen sulfide gas |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |