CN102218262A - Resin-cast desulphurization nozzle and manufacturing method thereof - Google Patents
Resin-cast desulphurization nozzle and manufacturing method thereof Download PDFInfo
- Publication number
- CN102218262A CN102218262A CN2011100951732A CN201110095173A CN102218262A CN 102218262 A CN102218262 A CN 102218262A CN 2011100951732 A CN2011100951732 A CN 2011100951732A CN 201110095173 A CN201110095173 A CN 201110095173A CN 102218262 A CN102218262 A CN 102218262A
- Authority
- CN
- China
- Prior art keywords
- resin
- nozzle
- cast
- desulfurization
- manufacture method
- 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.)
- Pending
Links
Images
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a resin-cast desulphurization nozzle which is used in flue gas desulphurization systems of a power plant and a large-scale or small and medium boiler and a manufacturing method thereof. The nozzle comprises a cone-shaped spiral nozzle head which is molded through resin casting, a nut and a close nipple which are connected into a whole body in a same axis, and the nozzle is hollow; and the whole desulphurization nozzle which is manufactured through resin casting has the advantages of one-time molding technology, normal temperature and pressure casting, good corrosion resistance, good wear resistance, small channel unblocked resistance, small contraction, aging resistance, high strength, strong operability of shapes, low manufacturing cost and long service life.
Description
Technical field
The present invention relates to be applied to the desulfurization nozzle in the flue gas desulphurization system on power plant, the large-scale or medium small boiler, particularly relate to a kind of resin-cast desulfurization nozzle and manufacture method thereof.
Background technology
At present, country has carried out the discharge standard of " thermal power plant atmosphere pollutants emission standards " and " emission standard of air pollutants for boilers " respectively to power plant, large-sized boiler and medium small boiler, for generally adopting wet process of FGD (FGD) technology in the country of destination that realizes desulfurization, spray, wash with desulfurization nozzle, thereby the selection of desulfurization nozzle is the key factor whether desulphurization system is stablized with using.Yet, the polypropylene (PP) that domestic most of manufacturer generally adopts, polyvinyl chloride (PVC), brass, the pig iron, stainless steel, pottery, silicon carbide material are made desulfurization nozzle, exist many shortcomings in the environment of flue gas desulphurization system: (1) desulfurization nozzle is connected on the pipeline of slurries, when containing Ca (OH)
2Alkali lye spray from nozzle by the power of desulfur pump, form vaporific or moisture film after, along with impurities concentration in the long-term use slurries of circulation fluid increases, the frictional resistance of nozzle is also increased thereupon; Again because of most spray systems through being intermitten service, precipitum is arranged easily attached on the nozzle after the time for the treatment of is long, come off again subsequently, this has just caused quite serious consequence to nozzle abrasion; The polypropylene that wears no resistance (PP) nozzle, polyvinyl chloride (PVC) nozzle, and the relatively poor steel alloy material nozzle of wearability such as brass nozzle (the wearing and tearing ratio is 1), pig iron nozzle (wearing and tearing ratio 1～2) and stainless steel nozzle (ratio 4～15 weares and teares) are all very short service life, can not surpass half a year.(2) nozzle exit is condensing wet flue gas in the spray process, owing to contain a large amount of CO in the flue gas
2, SO
2Deng sour gas and steam, heavy corrosion nozzle such as brass nozzle, pig iron nozzle and the stainless steel nozzle that the steel alloy material is made, also make simultaneously plastic nozzle such as polypropylene (PP) nozzle and polyvinyl chloride (PVC) nozzle accelerated ageing and embrittlement, the service life of seriously having reduced nozzle.(3) the low heat of some outmoded boiler thermal outputs runs off serious, make the boiler exhaust gas exhaust gas temperature reach for a long time about 180～200 ℃, if run under the situation that spray system goes wrong, indivedual enterprises still may directly feed this flue gas in the desulfurizing tower, cause nozzle directly to be enclosed by the cigarette thermometer bulb, plastic nozzle such as polypropylene (PP) nozzle (heatproof is less than 110 ℃) and polyvinyl chloride (PVC) nozzle (heatproof is less than 60 ℃) definitely can be melted distortion, steel alloy material nozzle such as brass nozzle, pig iron nozzle and stainless steel nozzle be then because of the flying dust coking, slowly oxidized eroding.(4), accidentally just twisted off easily during installation though ceramic nozzle and carborundum nozzle material are hard but more crisp, and shock resistance is poor in transportation.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of resin-cast desulfurization nozzle and manufacture method thereof are provided, guaranteeing under the constant situation of original nozzle mounting means and spray mode, improve corrosion resistance, circulation smoothness, wearability, oxidative resistance, shock resistance and the service life of desulfurization nozzle, simplify its manufacture process, the change by material reduces its manufacturing cost and use cost.
The object of the present invention is achieved like this: a kind of resin-cast desulfurization nozzle is made up of conical spiral nozzle (1), nut (2) and hickey (3), one end of nut (2) and conical spiral nozzle (1) join, the other end and hickey (3) join, the three is connected as a single entity along same axis, intermediate hollow, whole desulfurization nozzle is formed by resin-cast.
The manufacture method of above-mentioned resin-cast desulfurization nozzle, its feature is successively:
(1) coating release agent: the outer surface of inner membrance and the inner surface of adventitia are smeared releasing agent;
(2) batching: prepare burden by weight percentage: resin 70～88%, mill base 1～4%, curing agent 0.7～1.0%, promoter 0.3～0.6%, wear resistant filler 10～20% and glass fibre 1～3%;
(3) spice: according to above-mentioned prescription resin, mill base, promoter and curing agent are stirred into the mixed with resin body together, adding wear resistant filler and glass fibre continue to stir in the mixed with resin body, become to water material feeding;
(4) cast: will be above-mentioned water material feeding and pour in the mould that is fixed on the support, and vibration rack will water the air eliminating in the material feeding;
(5) solidify: static 2～3 hours by the time, treat the hardening of resin hardening;
(6) demoulding: remove internal mold and external mold, deviate from the resin-cast desulfurization nozzle;
(7) revise: repair the blemish of resin-cast desulfurization nozzle, remove overlap, burr.
The present invention compared with prior art has following advantage:
1, this desulfurization nozzle is formed by resin-cast, ceramic nozzle and the such high temperature sintering of carborundum nozzle and very long lifting temperature control had both been need not, need not such plastic hot melt of plastic nozzle and machined into again, also need not the such pyrolytic semlting of steel alloy material, only need at normal temperatures deployed resin-cast material to be poured into and pour into a mould in the mould and can make, technology is very simple and practical.
2, because the resin-cast desulfurization nozzle is to mix cast by resin, mill base, curing agent, promoter, wear resistant filler and glass fibre to make, employed resin is phenolic epoxy vinyl ester resin, bisphenol type epoxy vinyl ester resin, vinyl ester resin, epoxy resin etc., wear resistant filler is the mixed-powder of carborundum powder, alumina powder or carborundum and aluminium oxide, glass fibre is glass chopped silk, the selection of resin and wear resistant filler is very extensive, buys easily.
3, because the raw material of resin-cast desulfurization nozzle are selected and proportioning is variable, at different applying working conditions, can produce the desulfurization nozzle that corresponding wearability is good, temperature tolerance is high, corrosion resistance is strong, intensity is big and cost is low, such operability is that plastic nozzle, alloy nozzle and ceramic nozzle are all incomparable, and manufacturing cost is all lower than alloy nozzle and ceramic nozzle, and is lower than polytetrafluoroethylene (PTFE) nozzle price.
4, the resin-cast desulfurization nozzle has the physicochemical property of fiberglass (FRP) because of body is the resin-cast body, and is more much bigger than plastic nozzle and ceramic nozzle intensity, not yielding or fracture in transportation and collision process; More wear-resisting and the resistance to chemical attack than steel alloy nozzle; Owing to inner wall smooth, the unblocked plug of runner greatly reduces its frayed degree, has improved service life again.
Both can tighten when 5, installing by engage thread, also can be by resin-bonded, easier for installation quick than ceramic nozzle, steel alloy nozzle and plastic nozzle.
Description of drawings
Accompanying drawing 1 is the structural representation of resin-cast desulfurization nozzle of the present invention
Among Fig. 1: 1. conical spiral nozzle, 2. nut, 3. nipple.
The specific embodiment
The present invention will be further described to enumerate embodiment with reference to accompanying drawing 1:
As seen from Figure 1, the resin-cast desulfurization nozzle is made up of conical spiral nozzle (1), nut (2) and hickey (3), and an end of nut (2) and conical spiral nozzle (1) join, and the other end and hickey (3) join, the three is connected as a single entity along same axis, intermediate hollow.
The manufacture method of resin-cast desulfurization nozzle is successively:
(1) coating release agent: the outer surface of inner membrance and the inner surface of adventitia are smeared releasing agent;
(2) batching: prepare burden by weight percentage: resin 76%, mill base 2%, curing agent 1%, promoter 0.5%, wear resistant filler 19% and glass fibre 1.5%;
(3) spice: according to above-mentioned prescription resin, mill base, promoter and curing agent are stirred into the mixed with resin body together, adding wear resistant filler and glass fibre continue to stir in the mixed with resin body, become to water material feeding;
(4) cast: will be above-mentioned water material feeding and pour in the mould that is fixed on the support, and vibration rack will water the air eliminating in the material feeding;
(5) solidify: static 2 hours by the time, treat the hardening of resin hardening;
(6) demoulding: remove internal mold and external mold, deviate from the resin-cast desulfurization nozzle;
(7) revise: repair the blemish of resin-cast desulfurization nozzle, remove overlap, burr.
In the above-mentioned embodiment: described resin is the phenolic epoxy vinyl ester resin; Described mill base is Ral7038; Described curing agent is a methyl ethyl ketone peroxide; Described promoter is cobalt iso-octoate; Described wear resistant filler is a carborundum powder; Described glass fibre is glass chopped silk.
Claims (8)
1. resin-cast desulfurization nozzle, comprise that conical spiral nozzle (1) is connected with nut (2), the other end of nut (2) is connected with hickey (3), the three is connected as a single entity along same axis, intermediate hollow is characterized in that: conical spiral nozzle (1), nut (2) and hickey (3) all are to adopt resin-cast to make.
2. a manufacturing is characterized in that being successively as the method according to right 1 described resin-cast desulfurization nozzle:
(1) coating release agent: the outer surface of inner membrance and the inner surface of adventitia are smeared releasing agent;
(2) batching: prepare burden by weight percentage: resin 70～88%, mill base 1～4%, curing agent 0.7～1.0%, promoter 0.3～0.6%, wear resistant filler 10～20% and glass fibre 1～3%;
(3) spice: according to above-mentioned prescription resin, mill base, promoter and curing agent are stirred into the mixed with resin body together, adding wear resistant filler and glass fibre continue to stir in the mixed with resin body, make and water material feeding;
(4) cast: will be above-mentioned water material feeding and pour in the mould that is fixed on the support, and vibration rack will water the air eliminating in the material feeding;
(5) solidify: static 2～3 hours by the time, treat the hardening of resin hardening;
(6) demoulding: remove internal mold and external mold, deviate from the resin-cast desulfurization nozzle;
(7) revise: repair the blemish of resin-cast desulfurization nozzle, remove overlap, burr.
3. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described resin can be phenolic epoxy vinyl ester resin, bisphenol type epoxy vinyl ester resin, vinyl ester resin, epoxy resin, epoxy vinyl ester resin, phenolic resins, furane resins or unsaturated-resin.
4. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described mill base is Ral7038.
5. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described curing agent is a methyl ethyl ketone peroxide.
6. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described promoter is cobalt iso-octoate.
7. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described wear resistant filler is the mixed-powder of carborundum powder, alumina powder or carborundum and aluminium oxide.
8. according to the manufacture method of right 2 described resin-cast desulfurization nozzles, it is characterized in that: described glass fibre is glass chopped silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100951732A CN102218262A (en) | 2011-04-15 | 2011-04-15 | Resin-cast desulphurization nozzle and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100951732A CN102218262A (en) | 2011-04-15 | 2011-04-15 | Resin-cast desulphurization nozzle and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102218262A true CN102218262A (en) | 2011-10-19 |
Family
ID=44775116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100951732A Pending CN102218262A (en) | 2011-04-15 | 2011-04-15 | Resin-cast desulphurization nozzle and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102218262A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744168A (en) * | 2012-06-15 | 2012-10-24 | 无锡翱翔环保机械有限公司 | Supply water spray head for thermal deaerator |
| CN103611640A (en) * | 2013-09-30 | 2014-03-05 | 宁夏嘉翔自控技术有限公司 | Flow channel spiral nozzle |
| CN106964249A (en) * | 2017-04-06 | 2017-07-21 | 江苏国强环保集团有限公司 | A kind of ceramic shower of Novel desulfurization tower |
| CN107569992A (en) * | 2017-08-23 | 2018-01-12 | 河北可利尔环保设备有限公司 | A kind of desulfurizing tower of electric power plant slurries shower nozzle |
| CN110882596A (en) * | 2018-09-07 | 2020-03-17 | 东服企业股份有限公司 | Powder purification treatment device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208972Y (en) * | 1994-04-28 | 1995-10-04 | 孙建民 | Wet desulfidation, dedusting and spray swirl tower |
| CN1117924A (en) * | 1994-08-31 | 1996-03-06 | 张万祥 | Method for making handicraft article made of unsaturated resin |
| CN1173388A (en) * | 1996-06-04 | 1998-02-18 | 三菱重工业株式会社 | Gas-liquid contact apparatus |
| CN101874974A (en) * | 2009-11-27 | 2010-11-03 | 山东省环保陶瓷工程技术研究中心 | Spiral aluminum oxide ceramic nozzle for flue gas desulfurization slurry atomization and manufacturing method thereof |
-
2011
- 2011-04-15 CN CN2011100951732A patent/CN102218262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2208972Y (en) * | 1994-04-28 | 1995-10-04 | 孙建民 | Wet desulfidation, dedusting and spray swirl tower |
| CN1117924A (en) * | 1994-08-31 | 1996-03-06 | 张万祥 | Method for making handicraft article made of unsaturated resin |
| CN1173388A (en) * | 1996-06-04 | 1998-02-18 | 三菱重工业株式会社 | Gas-liquid contact apparatus |
| CN101874974A (en) * | 2009-11-27 | 2010-11-03 | 山东省环保陶瓷工程技术研究中心 | Spiral aluminum oxide ceramic nozzle for flue gas desulfurization slurry atomization and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《化工机械》 20061231 姚丙东等 湿法脱硫用喷嘴的研究与进展 194-195 2-8 第33卷, 第4期 * |
| 姚丙东等: "湿法脱硫用喷嘴的研究与进展", 《化工机械》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744168A (en) * | 2012-06-15 | 2012-10-24 | 无锡翱翔环保机械有限公司 | Supply water spray head for thermal deaerator |
| CN103611640A (en) * | 2013-09-30 | 2014-03-05 | 宁夏嘉翔自控技术有限公司 | Flow channel spiral nozzle |
| CN106964249A (en) * | 2017-04-06 | 2017-07-21 | 江苏国强环保集团有限公司 | A kind of ceramic shower of Novel desulfurization tower |
| CN107569992A (en) * | 2017-08-23 | 2018-01-12 | 河北可利尔环保设备有限公司 | A kind of desulfurizing tower of electric power plant slurries shower nozzle |
| CN110882596A (en) * | 2018-09-07 | 2020-03-17 | 东服企业股份有限公司 | Powder purification treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102218262A (en) | Resin-cast desulphurization nozzle and manufacturing method thereof | |
| CN102506268B (en) | Method for modifying wear resistance and corrosion prevention of metal component surface | |
| CN101683724B (en) | High-strength dry-type rail resin abrasive cutting wheel and preparation method thereof | |
| CN100392306C (en) | Glass fiber reinforced plastic sprinkling tube for desulfurizing tower of electric power plant and preparation method thereof | |
| CN101864270A (en) | Special anti-corrosion bonding glue for desulfurization and preparation method thereof | |
| CN103773090A (en) | Glass reinforced plastic composite coating material with good anti-corrosion effect and preparation method thereof | |
| CN103453236A (en) | Manufacturing method of large-caliber wear-resistant and corrosion-resistant ternary composite pipe | |
| CN100491883C (en) | Hot repair method of lead-making furnace body | |
| CN103965736B (en) | A kind of acid-resistant and anti-high-temperature antiseptic cement gum for desulfurizer inwall | |
| CN203023068U (en) | High-temperature-resistant and corrosion-resistant centrifugal pump | |
| CN102825808A (en) | Processing technology of nanoscale polyurethane composite steel tube | |
| CN103411096B (en) | A kind of preparation method of large-caliber abrasion-resistant corrosion-resistant ternary composite reducer pipe | |
| CN103740884B (en) | A kind of floating plug of efficient pushing off the slag | |
| CN201818916U (en) | Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe | |
| CN110937883A (en) | Cement-free iron runner castable | |
| CN201969491U (en) | Thermal power plant flue gas desulphurization spray nozzle | |
| CN103411071B (en) | Manufacturing method for large-caliber abrasion-resistant corrosion-resistant ternary composite pipe accessory | |
| CN107602137A (en) | A kind of moulding by casting converter taphole inner nozzle brick and preparation method thereof | |
| CN204328238U (en) | Glass fibre reinforced plastics concrete composite pipe | |
| CN113524726A (en) | Glass fiber reinforced plastic centrifugal impeller module and manufacturing method thereof | |
| CN203822675U (en) | Polyurethane blade with glass fiber reinforcement layer structure | |
| CN204865712U (en) | Anticorrosive stirring rake | |
| CN104588633A (en) | Slag rim automatic blocking device and manufacturing method thereof | |
| CN104567427B (en) | A kind of environmental protection quick change stagewise iron tap channel | |
| CN109796213A (en) | A kind of magnesia carbon brick production method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111019 |