CN203940778U - A kind of condenser cleaning equipment based on injection effect - Google Patents
A kind of condenser cleaning equipment based on injection effect Download PDFInfo
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- CN203940778U CN203940778U CN201420324419.8U CN201420324419U CN203940778U CN 203940778 U CN203940778 U CN 203940778U CN 201420324419 U CN201420324419 U CN 201420324419U CN 203940778 U CN203940778 U CN 203940778U
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- condenser
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- exchange tube
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Abstract
一种基于引射效应的凝汽器清洗装置，它由一端与机器人清洗喷头相连，另一端定位在凝汽器换热管入口上的引射装置构成，依次由吸入段、收缩段、喉部混合段、出口扩压段和出口密封段构成；将出口密封段定位到需要清洗的凝汽器换热管处；开启高压水泵，高压水经清洗喷头高速射流进入吸入段，同时从吸入段的入口处大量抽吸清洗装置周围的水，高速水流与被抽吸的水通过引射装置混合后最终进入凝汽器换热管，通过水流的冲刷将凝汽器换热管内壁的污垢除掉。本实用新型可以在线清洗，节省了电厂的维护成本，对藻类等软垢有很好的清洗效果，无污染，操作安全，简单易行。
A condenser cleaning device based on the ejection effect, which is composed of an ejector device with one end connected to the cleaning nozzle of the robot and the other end positioned on the inlet of the heat exchange tube of the condenser. It consists of a suction section, a contraction section, and a throat The mixing section, the outlet diffuser section and the outlet sealing section are composed; the outlet sealing section is positioned at the condenser heat exchange tube that needs to be cleaned; the high-pressure water pump is turned on, and the high-pressure water enters the suction section through the high-speed jet of the cleaning nozzle, and at the same time from the suction section A large amount of water around the cleaning device is sucked at the inlet, and the high-speed water flow and the sucked water are mixed through the ejector device and finally enter the heat exchange tube of the condenser, and the dirt on the inner wall of the heat exchange tube of the condenser is removed by the washing of the water flow . The utility model can be cleaned on-line, saves the maintenance cost of the power plant, has a good cleaning effect on soft scales such as algae, has no pollution, is safe in operation, and is simple and easy.
Description
Technical field
The utility model relates to condenser cleaning technique field, is specifically related to a kind of condenser cleaning equipment of thermal power plant based on injection effect that be applicable to.
Background technology
Condenser is the cold junction of power plant's thermodynamic cycle, and its Main Function is that turbine discharge is condensed into water, forms and keeps higher vacuum.Heat exchange tube of condenser encrustation can be divided three classes by formation mechanism: incrustation scale, dirt, biological sludge in industrial.Incrustation scale is because recirculated water constantly evaporates, and calcium in water, the concentrated deposition of magnesium are formed, and its main component is calcium carbonate, belongs to hard scale, should not remove; Dirt is because the depositions such as the impurity comprising in recirculated water, dust, silt particle, micropopulation are formed, more loose; Biological sludge in industrial is the growth and breeding due to algae in water and mushroom, is attached to one deck biomembrane forming on tube wall, softer.
After heat exchange tube of condenser fouling, can cause heat transfer effect to reduce, soften(ing), thermal efficiency of cycle reduces, and gross coal consumption rate increases, and the economy of unit reduces; Cause the corrosion of heat exchanger tube, reduce condenser service life, when serious, leak the safe operation generation significant impact to Steam-water Quality and unit.Therefore, clean in time heat exchange tube of condenser, make it keep clean very important.
At present, the cleaning method of condenser mainly contains: 1) glueballs cleans, the current comparatively cleaning method of extensive use.It can realize on-line cleaning, and cleaning performance is better, handling safety, but glueballs easily stops up in pipe, and the rate of recovery is low, and expense is higher.2) Chemical cleaning.Its cleaning is more thorough, can on-line cleaning, but technique is loaded down with trivial details, and chemical feeding quantity is difficult to accurate control, may cause equipment corrosion, spends larger.3) artificial steel brush cleans.The method can reach cleaning object, but can only clean by off-line, wastes time and energy.4) high-pressure water jet condenser on-line cleaning Robotics.The cleaning that this technology has kept off-line Cleaning by High Pressure Water Jet thoroughly with to features such as condenser are harmless, pollution-free, can realize again On Line Foul Removing Technology, has avoided opening, shutting down the economic loss of bringing, and has good prospect.What this technology adopted at present is that water under high pressure drives the shower nozzle that connects high-pressure water hose, put in condenser tube and clean, but some problems in engineering reality, have been run into, as: shower nozzle stretches in condenser tube and cleans and need very large thrust, so may occur in reality that thrust causes shower nozzle not stretch into completely not, cause cleaning not exclusively; Shower nozzle and high-pressure water hose may be stuck in heat exchanger tube; The underwater reliability of coil device of high-pressure water hose is not strong; Arrange that coil system possible space is not enough under water.
Summary of the invention
Technical problem: the utility model object is the weak point overcoming in prior art, provides a kind of simple in structure, easy to operate, reliability is strong, scaling effect is good condenser cleaning equipment based on injection effect.
Technical scheme: the condenser cleaning equipment based on injection effect of the present utility model, it consists of through the induction apparatus that shower nozzle fixed seating is contained on robot cleaning shower nozzle, the other end is positioned on heat exchange tube of condenser entrance one end, and described induction apparatus consists of suction casing, contraction section, throat's mixing section, outlet diffuser and exit seal section successively; The tapered body of described contraction section, big opening end is connected with suction casing, and osculum Duan Yu throat mixing section is connected, the described tapered body of outlet diffuser, osculum Duan Yu throat mixing section is connected, and big opening end is connected with exit seal section.
The horizontal sextant angle of described contraction section is 30 °, and length is 10-13mm; The diameter of throat's mixing section is 13mm-17mm, and length is 52-68mm; The horizontal sextant angle of outlet diffuser is 3～5 °, and length is 45-80mm.
Beneficial effect: owing to adopting technique scheme, the utility model is enough effectively removed the soft dirt that algae is representative of take of heat exchange tube of condenser, efficiently solves some problems that current high-pressure water jet condenser on-line cleaning robot runs in engineering reality.Compared with prior art, tool has the following advantages:
1) can carry out on-line cleaning, during cleaning, generating set need not be shut down, and has saved the maintenance cost in power plant.
2) adopt after this device, the stream scooter 7m/s of water in heat exchanger tube, this speed has good cleaning performance to take the soft dirt that algae is representative; And if the water under high pressure of uniform pressure is directly sprayed into heat exchange tube of condenser, axial velocity decays rapidly, speed is almost 0 after the 0.1m, and heat exchanger tube total length is 10m, the 9.9m after that is to say can not get effective washing.Therefore adopt this device can greatly improve the flow velocity of water in heat exchange tube of condenser, and then improve its cleaning performance, thus the work normally and efficiently of guarantee condenser, the economy of guarantee unit operation.
3) pollution-free, handling safety, can not cause damage to tube wall.
4) simple in structure, easy to operate, cost is lower.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present utility model.
Fig. 2 is the structure chart of shower nozzle holder of the present utility model.
In figure: 1-robot cleans shower nozzle, 2-suction casing, 3-contraction section, 4-throat mixing section, 5-exports diffuser, 6-exit seal section, 7-heat exchange tube of condenser, 8-shower nozzle holder.
The specific embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is further described:
Condenser cleaning equipment based on injection effect of the present utility model, it consists of through the induction apparatus that shower nozzle holder 8 is sleeved on robot cleaning shower nozzle 1, the other end is positioned on heat exchange tube of condenser 7 entrances one end, and described induction apparatus consists of suction casing 2, contraction section 3, throat's mixing section 4, outlet diffuser 5 and exit seal section 6 successively; The described tapered body of contraction section 3, the horizontal sextant angle of contraction section 3 is 30 °, length is 10-13mm; Contraction section 3 big opening ends are connected with suction casing 2, and osculum Duan Yu throat mixing section 4 is connected, and the diameter of described throat's mixing section 4 is 13mm-17mm, and length is 52-68mm; The described tapered body of outlet diffuser 5, the horizontal sextant angle of outlet diffuser 5 is 3～5 °, length is 45-80mm.Outlet diffuser 5 osculum Duan Yu throat mixing sections 4 are connected, and big opening end is connected with exit seal section 6.
The course of work: the suction casing of induction apparatus is sleeved on to robot through shower nozzle holder 8 and cleans on shower nozzle 1, the exit seal section 6 of induction apparatus is positioned on heat exchange tube of condenser 7 entrances that need to clean, and compresses; Open high-pressure hydraulic pump, the water under high pressure of 10-20MPa cleans shower nozzle 1 acceleration decompression by robot and injects at a high speed the contraction section 3 of induction apparatus by the suction casing 2 of induction apparatus, near the outlet of Bing robot cleaning shower nozzle 1, cause low pressure, while working due to cleaning device, in the underwater environment at place, the pressure of water is greater than the pressure that cleans near the high-velocity flow of shower nozzle outlet, thereby cleaning device water is around entered from the porch of suction casing 2 through shower nozzle holder 8 by a large amount of suctions; The high-velocity flow that cleans shower nozzle 1 with robot imports in throat's mixing section 4 and mixes gradually through contraction section 3 in the lump, then enter outlet diffuser 5, finally by exit seal section 6, enter heat exchange tube of condenser 7, by washing away of current, the dirt of heat exchange tube of condenser 7 inwalls is removed.
Claims (2)
1. the condenser cleaning equipment based on injection effect, it is characterized in that: it is sleeved on through shower nozzle holder (8) by one end, and robot cleaning shower nozzle (1) is upper, the other end is positioned at the induction apparatus formation on heat exchange tube of condenser (7) entrance, and described induction apparatus consists of suction casing (2), contraction section (3), throat's mixing section (4), outlet diffuser (5) and exit seal section (6) successively; The tapered body of described contraction section (3), big opening end is connected with suction casing (2), osculum Duan Yu throat mixing section (4) is connected, the described tapered body of outlet diffuser (5), osculum Duan Yu throat mixing section (4) is connected, and big opening end is connected with exit seal section (6).
2. a kind of condenser cleaning equipment based on injection effect according to claim 1, is characterized in that: the horizontal sextant angle of described contraction section (3) is 30 °, and length is 10-13mm; The diameter of throat's mixing section (4) is 13mm-17mm, and length is 52-68mm; The horizontal sextant angle of outlet diffuser (5) is 3～5 °, and length is 45-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324419.8U CN203940778U (en) | 2014-06-17 | 2014-06-17 | A kind of condenser cleaning equipment based on injection effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324419.8U CN203940778U (en) | 2014-06-17 | 2014-06-17 | A kind of condenser cleaning equipment based on injection effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203940778U true CN203940778U (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420324419.8U Expired - Lifetime CN203940778U (en) | 2014-06-17 | 2014-06-17 | A kind of condenser cleaning equipment based on injection effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940778U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019696A (en) * | 2014-06-17 | 2014-09-03 | 中国矿业大学 | Condenser washing device and method based on injection effect |
| CN105000613A (en) * | 2015-07-24 | 2015-10-28 | 中山沃尔威多水处理设备有限公司 | Billowing evaporation system and technology applied to high-salt and high-scale-rate waste water |
| CN108906712A (en) * | 2018-05-12 | 2018-11-30 | 宁波得水环保科技有限公司 | A kind of pH meter probe automatic cleaning system in reaction treatment pond |
-
2014
- 2014-06-17 CN CN201420324419.8U patent/CN203940778U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019696A (en) * | 2014-06-17 | 2014-09-03 | 中国矿业大学 | Condenser washing device and method based on injection effect |
| CN104019696B (en) * | 2014-06-17 | 2015-09-23 | 中国矿业大学 | A kind of condenser cleaning equipment based on injection effect and method |
| CN105000613A (en) * | 2015-07-24 | 2015-10-28 | 中山沃尔威多水处理设备有限公司 | Billowing evaporation system and technology applied to high-salt and high-scale-rate waste water |
| CN108906712A (en) * | 2018-05-12 | 2018-11-30 | 宁波得水环保科技有限公司 | A kind of pH meter probe automatic cleaning system in reaction treatment pond |
| CN108906712B (en) * | 2018-05-12 | 2020-09-01 | 宁波得水环保科技有限公司 | PH meter probe self-cleaning system that reaction treatment pond was used |
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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: 20141112 Effective date of abandoning: 20150923 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |