CN100531936C - Cleaning device of steam generator for jetting water under high pressure - Google Patents
Cleaning device of steam generator for jetting water under high pressure Download PDFInfo
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- CN100531936C CN100531936C CNB2005101241792A CN200510124179A CN100531936C CN 100531936 C CN100531936 C CN 100531936C CN B2005101241792 A CNB2005101241792 A CN B2005101241792A CN 200510124179 A CN200510124179 A CN 200510124179A CN 100531936 C CN100531936 C CN 100531936C
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- steam generator
- high pressure
- automatic flushing
- pressure water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/486—Devices for removing water, salt, or sludge from boilers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
- B25J11/008—Manipulators for service tasks
- B25J11/0085—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/52—Washing-out devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
Abstract
The related cleaning equipment for steam generator comprises: an automatic cleaning device with multiple directions (30deg, 45deg and 90deg) to jet high-pressure water and remove deposited sludge on surface and supporting plate of electric heating pipe, a rail guide member arranged on two sides of the generator separation plate to let the rail achieve cylinder sides, and a steel wire tension device to fix the guide member and rail together. This invention is more safe and reliable.
Description
Technical field
The present invention relates to a kind of device that uses the high-pressure water jet mode to clean the steam generator of atomic power plant; Relate in particular to a kind of cleaning device that is used to remove the steam generator of the electrothermal tube surface that is deposited on steam generator and the sludge on the electrothermal tube bottom support casting.
Background technology
Usually, the primary system of atomic power plant is made of atomic pile, steam generator, coolant pump, pressurizer etc., in the cooling agent inflow steam generator by the atomic pile heating, with heat transferred electrical secondary system recirculated water.Like this, the above-mentioned electrical secondary system recirculated water that is passed to heat by above-mentioned primary system cooling agent is transformed into steam, and turbine is rotated by the high temperature and high pressure steam that is transformed into.
Yet, in the electrical secondary system recirculated water of above-mentioned steam generator, include the metallicity sludge that the immersion corrosion owing to pipe arrangement produces, sludge deposition on the electrothermal tube surface, the top of electrothermal tube supporting station and the positions such as top of electrothermal tube support plate, cause various problems thus.
Therefore, be necessary suitably to remove the sludge of the positions such as top of the top of the electrothermal tube surface that is deposited on steam generator, electrothermal tube supporting station and electrothermal tube support plate, though, in fact still have many problems because this necessity has disclosed some cleaning devices.
The mode of removing the inner sludge of steam generator of atomic power plant has: the cleaning method of the cleaning method of chemical cleaning method, ultrasonic cleaning process, use shock wave and use high-pressure water jet etc.Use the cleaning device of atomic power plant's steam generator of water under high pressure roughly to be divided into the equipment that cleans electrothermal tube supporting station part and to clean the equipment of electrothermal tube support plate part.
As the cleaning device of above-mentioned electrothermal tube supporting station, No. the 4th, 079,701, the United States Patent (USP), the 4th of early development is arranged, 445, No. 465, the 4th, 515, No. 747, the 4th, 620, No. 881 etc., No. the 5th, 069,172, the United States Patent (USP), the 5th that nearest exploitation is arranged, 341, No. 406, the 5th, 036, No. 871, the 5th, 813, No. 370 etc.
In addition, though United States Patent (USP) the 6th, 145, the equipment of checking the electrothermal tube support plate of steam generator upper bundle is disclosed for No. 583, but this United States Patent (USP) the 6th, 145, it is for No. 583 improvement to korean patent application 2003-64390 number, wherein put down in writing the method that moves the checkout facility head by the upper bundle of steam generator, particularly compare with the equipment of former patent disclosure, by increasing a part of performance, make its miniaturization simultaneously, thereby more help being arranged in Korea S's standard type nuclear steam generators.
The automatic spray gun device), control cable and three key elements such as console and sludge treatment facility the cleaning device of above-mentioned steam generator is divided into track and automatic flushing device (ラ Application シ Application グ ロ ボ Star ト:.But in above-mentioned existing korean patent application 2003-64390 number, control cable and console and sludge treatment facility are not described, but stressed track and automatic flushing device.
2003-64390 number disclosed automatic flushing device of above-mentioned korean patent application implemented in such a way, and promptly each nozzle is fixed on 30 ° of directions, and rotation the time is cleaned up and down.
Yet the electrothermal tube of Korea S's standard type nuclear steam generators (System-80 steam generator) is a triangular structure, except that 30 ° of directions, also is necessary to carry out washing and cleaning operation with multiple different angle.
In addition, the automatic flushing device that korean patent application is 2003-64390 number is only with the dead ahead of the fixed cylinder 3 that cleans to steam generator, and the both sides that can not go deep into fixed cylinder 3 are cleaned.
Self-evident, though 2003-64390 number disclosed track of above-mentioned korean patent application also have can be crooked form, wherein do not have to put down in writing the structure and the method that automatic flushing device can be guided to fixed cylinder 3 both sides.
Summary of the invention
The present invention considers the problems referred to above and proposes, its purpose is to provide a kind of cleaning device of steam generator, when the top inject high pressure water of the electrothermal tube surface of the steam generator of atomic power plant and electrothermal tube bottom support casting is removed the sludge of deposition, this device can safer and more effectively be removed sludge.
That is, the object of the present invention is to provide a kind of cleaning device of steam generator, this device has: railway guidance spare, and it is used for the track guiding of guiding automatic flushing device is deep into the both sides of fixed cylinder; Automatic flushing device, it can move the both sides that are deep into fixed cylinder along track by above-mentioned railway guidance spare, and cleans with multiple angles ground inject high pressure water.This device is when the electrothermal tube of the steam generator of atomic power plant and bottom support casting inject high pressure water are removed sludge, can clean deposition at the electrothermal tube surface of steam generator and the sludge on electrothermal tube bottom support casting top, and make the sludge that the washed end of exhaust steam generator safely and reliably.
Description of drawings
Shown in Figure 1 is in the inside of a part of infrastructure of the steam generator of one of atomic power plant's primary system inscape is provided with the state diagram of steam generator cleaning device, wherein, in the cleaning device of steam generator automatic flushing device of the present invention is installed;
Fig. 2 is the partial enlarged drawing of Fig. 1, wherein, illustrates in greater detail the state that railway guidance spare of the present invention and automatic flushing device are arranged on steam generator inside;
Shown in Figure 3 is is equipped with the sectional side view of inside of the steam generator of cleaning device of the present invention;
Fig. 4 illustrates in greater detail track of the present invention and railway guidance spare;
Shown in Figure 5 is the automatic flushing device of the present invention along 45 ° of direction inject high pressure water;
Fig. 6 illustrates in greater detail the internal factors along the automatic flushing device of 45 ° of direction inject high pressure water of Fig. 5;
Shown in Figure 7 is the automatic flushing device of the present invention along 30 ° and 90 ° direction inject high pressure water;
Fig. 8 (a) and Fig. 8 (b) illustrate in greater detail the internal factors along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water of Fig. 7;
The attitude that shown in Figure 9 is by Fig. 7 along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water along 30 ° of direction inject high pressure water;
The attitude that shown in Figure 10 is by Fig. 7 along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water along 90 ° of direction inject high pressure water.
The specific embodiment
To achieve these goals, the invention provides a kind of cleaning device of steam generator, this device is by having the automatic flushing device inject high pressure water of multi-angle injection direction, to remove the electrothermal tube surface that is deposited on steam generator and the sludge on electrothermal tube bottom support casting top.Wherein, by the handwork mouth of described steam generator, the both sides of redundant space are provided with railway guidance spare according to the mode that enters into the fixed cylinder both sides between demarcation strip and electrothermal tube.Make described track be deep into the both sides of described fixed cylinder by described railway guidance spare.When the guiding of described track by described railway guidance spare enters into desirable job position, by cable tensioner the fixedly steel wire that is erected on railway guidance spare and the track is applied tension force, the integral body of described railway guidance spare and described track is firmly fixed.After described railway guidance spare and described track are securely fixed in the inside of steam generator, be arranged alternately: along the automatic flushing device of 45 ° of direction inject high pressure water, it has the nozzle that can clean along 45 ° of directions; And along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water, it has can be along 30 ° and 90 ° of nozzles that direction is cleaned, to carry out washing and cleaning operation.
Therefore, according to the present invention of above-mentioned formation, can remove the electrothermal tube surface of the steam generator that is deposited on the atomic power plant and the sludge on electrothermal tube bottom support casting top safer and reliably.
Embodiment
Usually, in the electrical secondary system recirculated water of steam generator, include the metallicity sludge that the immersion corrosion owing to pipe arrangement produces.Therefore, sludge can be deposited on the top of the bottom support casting 8 of electrothermal tube 6 surface of steam generator shown in Figure 11 and electrothermal tube, can cause various problems thus, so, be necessary suitably to remove the sludge of the positions such as top of electrothermal tube 6 surface that is deposited on steam generator and electrothermal tube bottom support casting 8.
For this reason, the present invention has developed a kind of automatic flushing device, this device can be directed being deep into the both sides of fixed cylinder 3 as shown in Figure 1 and clean, and can carry out washing and cleaning operation simultaneously along 30 ° and 90 ° of directions, also can carry out washing and cleaning operation along 45 ° of directions.
As shown in Figure 1, track 112 does not have the path of electrothermal tube 6 to be provided with by handwork mouth 7 along cover plate 11 tops.The end of track 112 is divided into a plurality of parts so that track can be crooked.Railway guidance spare 111 makes track 112 curved at 45.Because the track of existing cleaning device and the track of steam generator 1 interfere with each other, and therefore, have made the track of using than the cleaning device of the thinner renewal of existing track 112 in the present invention.The cross-sectional width of track 112 is 28mm, highly is 60mm (cross-sectional width of existing track is 29mm, highly is 70mm).So, do not disturb mutually with cover plate 11.
In addition, to have three automatic flushing devices different with existing cleaning device, and cleaning device of the present invention only comprises two automatic flushing devices.The automatic flushing device of cleaning device of the present invention has the different a plurality of nozzles of angle of injection direction, it can be to the sludge inject high pressure water on electrothermal tube 6 surfaces that are deposited on steam generator and the electrothermal tube bottom support casting 8, different with the automatic flushing device in the existing cleaning device, the present invention only needs two automatic flushing devices just can remove the sludge that deposits around steam generator 1 center, the fixed cylinder 3, operation process is more simplified, more effective than existing cleaning device.
In addition, the servomotor that is arranged on the automatic flushing device of the present invention uses spur gear and rack drives nozzle to move up and down.In addition, how the operator can clean electrothermal tube and electrothermal tube support plate by the water under high pressure that the video viewer is observed by nozzle ejection.
On the other hand, be set at 30 ° and 90 ° along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water according to the jet angle of track 112.Especially, spray more water under high pressure, along adopting quick connector 227 in the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water in order to make towards the nozzle assembly of 90 ° of directions.The side camera lens that has the video viewer along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water.Be kept to 23.5mm, highly be kept to 43.0mm (the automatic flushing device cross-sectional width of existing cleaning device is 24.5mm, highly is 44mm) along the cross-sectional width of the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water.
In addition, have the jet angle of the nozzle assembly that is set at 45 ° along the automatic flushing device 100 of 45 ° of direction inject high pressure water, the operator can observe the injection situations by video viewer 119.Cross section along the automatic flushing device 100 of 45 ° of direction inject high pressure water has width littler than existing apparatus (for example 22.5mm) and height (for example 40.0mm).
Below, the washing and cleaning operation process to automatic flushing device of the present invention is elaborated with reference to the accompanying drawings.
In addition and since the automatic flushing device that in korean patent application 2003-64390 number, carries out for the drive division that utilizes automatic flushing device move and course of action has had been described in detail, so in this manual this is no longer described in detail.
Shown in Figure 1 is a part of infrastructure of the steam generator of one of atomic power plant's primary system inscape, wherein shows the state that is provided with the cleaning device of the steam generator that automatic flushing device of the present invention has been installed in the inside of this steam generator.
At first, as shown in Figure 1,, railway guidance spare 111 is arranged on the both sides of clearance spaces between demarcation strip 2 and the electrothermal tube 6, thereby enters into the both sides of fixed cylinder 3 by the handwork mouth 7 of Korea S's standard type nuclear steam generators 1.
Above-mentioned railway guidance spare 111 can play the effect that track 112 is guided the both sides of the fixed cylinder 3 that is deep into steam generator 1.
As shown in Figure 4, above-mentioned track 112 is made up of each rail bar 113.As can be seen from Figure 4, make each rail bar 113 according to the mode shorter than the terminal rail bar of railway guidance part 111.A plurality of rail bars 113 of track 112 can be crooked and press close to the both sides of the fixed cylinder 3 of steam generator 1 lenitively.
Secondly, if track 112 enters desirable job position by the guiding of railway guidance spare 111, then the fixedly steel wire (not shown) that is erected on railway guidance spare 111 and the track 112 by 114 pairs of cable tensioners applies tension force, make railway guidance spare 111 and track 112 overall fixed, form irremovable firm state.
Next, as mentioned above, after railway guidance spare 111 and track 112 are securely fixed in steam generator 1 inside, though can carry out washing and cleaning operation by automatic flushing device, but also should be arranged alternately as shown in Figure 5 along the automatic flushing device 100 of 45 ° of direction inject high pressure water and automatic flushing device 200 as shown in Figure 7 along 30 ° and 90 ° direction inject high pressure water, to carry out washing and cleaning operation (, in Fig. 1 and Fig. 2, being provided with whole automatic flushing devices) for the ease of understanding.
At first, if automatic flushing device is arranged on as shown in Figure 4 the track guiding groove 115, the then driving of direct current (DC) the servomotor (not shown) of the drive division 10 by automatic flushing device, driving force is passed to the synchronous belt 120 that is connected with automatic flushing device, 220 (with reference to Fig. 5 and Fig. 7), by this driving force, automatic flushing device 100 moves the both sides of the fixed cylinder 3 that is deep into steam generator 1 along rail groove 115, simultaneously, along 30 °, 45 °, 90 ° of directions are cleaned the surface and the electrothermal tube bottom support casting 8 of the electrothermal tube 6 of steam generator 1.
Hereinafter with reference to Fig. 5 to Figure 10, to describing along the automatic flushing device 100 of 45 ° of direction inject high pressure water and along the various washing and cleaning operations of the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water.
It at first, below is the washing and cleaning operation of Fig. 5 and automatic flushing device 100 along 45 ° of direction inject high pressure water shown in Figure 6.
Shown in Figure 5 is the automatic flushing device of the present invention along 45 ° of direction inject high pressure water; Fig. 6 illustrates in greater detail the internal factors along the automatic flushing device of 45 ° of direction inject high pressure water of Fig. 5.
As shown in Figure 6, if direct current (DC) servomotor 122 actions along the automatic flushing device 100 of 45 ° of direction inject high pressure water, make axle 129 rotations, then with the first inclination tooth bar 124-1 and second inclination tooth bar 124-2 action as axle 129 interlocks of power transmission shaft as power transmission shaft.
Action by the above-mentioned first inclination tooth bar 124-1 and the second inclination tooth bar 124-2, the one 45 ° of nozzle 117-1 and the 2 45 ° of nozzle 117-2 of being provided with the first oriented device 125-1 and the second oriented device 125-2 rotatablely move up and down, spray simultaneously by high-pressure hose 121 and flow into along the water under high pressure in the automatic flushing device 100 of 45 ° of direction inject high pressure water the surface of cleaning electrothermal tube 6 and the bottom support casting 8 of electrothermal tube.
On the other hand, the above-mentioned first oriented device 125-1 and the second oriented device 125-2 adopt polyurethane material for the constraint of eliminating the free degree, so that above-mentioned the one 45 ° of nozzle 117-1 and the 2 45 ° of nozzle 117-2 rotation freely up and down.The above-mentioned first oriented device 125-1 and the second oriented device 125-2 can also excise the connecting portion of a part and the first inclination tooth bar 124-1 and the second inclination tooth bar 124-2 as required, to eliminate the constraint to the free degree.
In addition,, the inside of steam generator 1 can be checked, ongoing washing and cleaning operation can be monitored simultaneously by video viewer 119 shown in Figure 5.
If the washing and cleaning operation of above-mentioned current job position finishes, then the automatic flushing device 100 along 45 ° of direction inject high pressure water moves along track 112 at certain intervals by synchronous belt 120, and above-mentioned operation process is repeated on next job position.
Below, will describe to the washing and cleaning operation of automatic flushing device 200 along 30 ° and 90 ° direction inject high pressure water shown in Figure 10 Fig. 7.
Shown in Figure 7 is the automatic flushing device 200 of the present invention along 30 ° and 90 ° direction inject high pressure water; Fig. 8 (a) and Fig. 8 (b) illustrate in greater detail the internal factors along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water of Fig. 7.
In addition, shown in Figure 9 is the attitude along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water along 30 ° of direction inject high pressure water of Fig. 7; The attitude of shown in Figure 10 is Fig. 7 along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water along 90 ° of direction inject high pressure water.
As shown in Figure 8, if, make axle 229 rotations, then with inclination tooth bars 224 actions as axle 229 interlocks of power transmission shaft as power transmission shaft along direct current (DC) servomotor 222 actions of the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water.
Action by above-mentioned inclination tooth bar 224,30 ° of direction nozzles 201 that are provided with oriented device 225 rotatablely move up and down, spray simultaneously by high-pressure hose 221 and flow into along the water under high pressure in the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water the surface of cleaning electrothermal tube 6 and the bottom support casting 8 of electrothermal tube.
On the other hand,, driving force is passed to 90 ° of direction nozzle 202-1,202-2, can carry out simultaneously with 30 ° of direction nozzles 201 towards the cleaning of 90 ° of directions along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water by spur gear.
Identical with above-mentioned automatic flushing device 100 along 45 ° of direction inject high pressure water, oriented device 225 along the automatic flushing device 200 of 30 ° and 90 ° direction inject high pressure water also adopts polyurethane material for the constraint of eliminating the free degree, so that the rotation freely up and down of above-mentioned 30 ° of direction nozzles 201.
And automatic flushing device of the present invention has the structure of using the camera lens that curves 90 ° can monitor the automatic flushing device side.
As mentioned above, be to carry out repeatedly by the cleaning of carrying out along the top of the bottom support casting of 200 pairs of electrothermal tubes surfaces of the automatic flushing device of 30 ° and 90 ° direction inject high pressure water and electrothermal tube along the track that is arranged on steam generator 1 inside.
So, carry out washing and cleaning operation repeatedly by aforesaid each automatic flushing device, clean deposition is at the electrothermal tube surface of steam generator and the sludge on electrothermal tube bottom support casting top, and push it to the end of steam generator safely and reliably, to deliver to the outside of steam generator by the sludge that described automatic flushing device moves to the steam generator end by other suction apparatus (not shown), finish operation by effectively removing the solid constituent that is included in the sludge.
In sum, according to the present invention, move automatic flushing device by railway guidance spare along the track that automatic flushing device can be directed to the fixed cylinder both sides, simultaneously with multiple angles inject high pressure water, in order to the sludge of clean deposition on the electrothermal tube of steam generator surface and electrothermal tube bottom support casting top, and it is pushed into the end of steam generator, by other suction apparatus this sludge is delivered to the outside of steam generator, thereby can effectively remove the solid constituent that is included in the sludge.
Claims (8)
1. the cleaning device of a steam generator by having the automatic flushing device inject high pressure water of multi-angle injection direction, to remove the electrothermal tube surface that is deposited on steam generator and the sludge on electrothermal tube bottom support casting top, is characterized in that,
By the handwork mouth (7) of described steam generator (1), the both sides of redundant space are provided with the railway guidance spare (111) that enters into fixed cylinder (3) both sides between demarcation strip (2) and electrothermal tube (6);
By described railway guidance spare (111), make track (112) be deep into the both sides of described fixed cylinder (3);
When the guiding of described track (112) by described railway guidance spare (111) enters into desirable job position, by cable tensioner (114) the fixedly steel wire that is erected on railway guidance spare (111) and the track (112) is applied tension force, make described railway guidance spare (111) and described track (112) overall fixed;
Described railway guidance spare (111) and described track (112) are fixed on after the inside of steam generator (1), go up alternately at described track (112) to be provided with: along the automatic flushing device of 45 ° of direction inject high pressure water, it has the nozzle that cleans along 45 ° of directions; And along the automatic flushing device of 30 ° and 90 ° direction inject high pressure water, it has along 30 ° and 90 ° of nozzles that direction is cleaned, to carry out washing and cleaning operation.
2. the cleaning device of steam generator as claimed in claim 1, it is characterized in that, at described automatic flushing device (100) and one of described automatic flushing device (200) along 30 ° and 90 ° direction inject high pressure water when being arranged on track guiding groove (115) and going up along 45 ° of direction inject high pressure water, driving by DC servo-motor, driving force is passed to described along the automatic flushing device (100) of 45 ° of direction inject high pressure water or along 30 ° of synchronous belts (120 that are connected with 90 ° of direction inject high pressure water automatic flushing devices (200), 220), by described driving force, along the automatic flushing device (100) of 45 ° of direction inject high pressure water or move to the both sides of the fixed cylinder (3) of steam generator (1) along 30 ° and 90 ° of direction inject high pressure water automatic flushing devices (200) along the groove of described track (112), when moving along 45 ° or clean along 30 ° and 90 ° of directions surface and electrothermal tube bottom support casting (8) to the electrothermal tube (6) of steam generator (1).
3. the cleaning device of steam generator as claimed in claim 1, it is characterized in that, described track (112) is made up of rail bar (113), each described rail bar (113) is shorter than the terminal rail bar of described railway guidance spare (111), a plurality of rail bars (113) bending of described track (112), the while is pressed close to the both sides of the fixed cylinder (3) of described steam generator (1) lenitively.
4. the cleaning device of steam generator as claimed in claim 1 or 2, it is characterized in that, described automatic flushing device (100) along 45 ° of direction inject high pressure water has the first oriented device (125-1) and the second oriented device (125-2), it is made by polyurethane material for the constraint of eliminating the free degree, and can make the rotation freely up and down of the first 45 ° of nozzles (117-1) and the 2 45 ° of nozzle (117-2).
5. the cleaning device of steam generator as claimed in claim 1 or 2, it is characterized in that, described automatic flushing device (100) along 45 ° of direction inject high pressure water has video viewer (119), and the operator can monitor ongoing washing and cleaning operation by described video viewer (119).
6. the cleaning device of steam generator as claimed in claim 1 or 2, it is characterized in that, when the washing and cleaning operation of current job position finishes, described automatic flushing device (100) along 45 ° of direction inject high pressure water moves with certain interval along described track (112) by synchronous belt (120), to proceed the washing and cleaning operation of next job position.
7. the cleaning device of steam generator as claimed in claim 1 or 2, it is characterized in that, described automatic flushing device (200) along 30 ° and 90 ° direction inject high pressure water passes to 90 ° of direction nozzles (202-1,202-2) by spur gear with driving force to carry out towards the cleaning of 90 ° of directions, and can clean simultaneously with 30 ° of direction nozzles (201).
8. the cleaning device of steam generator as claimed in claim 1 or 2, it is characterized in that, described automatic flushing device (200) along 30 ° and 90 ° direction inject high pressure water has oriented device (225), it is made by polyurethane material for the constraint of eliminating the free degree, and can make described 30 ° of direction nozzles (201) rotation freely up and down.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050044900 | 2005-05-27 | ||
| KR1020050044900A KR100621837B1 (en) | 2005-05-27 | 2005-05-27 | An apparatus for cleaning steam generators using high pressure water spray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1868611A CN1868611A (en) | 2006-11-29 |
| CN100531936C true CN100531936C (en) | 2009-08-26 |
Family
ID=37442472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101241792A Active CN100531936C (en) | 2005-05-27 | 2005-11-21 | Cleaning device of steam generator for jetting water under high pressure |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100621837B1 (en) |
| CN (1) | CN100531936C (en) |
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| CN109482583B (en) * | 2018-10-24 | 2021-04-13 | 广东核电合营有限公司 | Cleaning method of steam generator |
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| KR102242530B1 (en) * | 2019-08-01 | 2021-04-19 | 박찬종 | No-tube Lane Inspection System for Standard Steam Generators |
| KR102246298B1 (en) | 2020-05-20 | 2021-04-29 | 호진산업기연(주) | Lancing robot for cleaning the heat pipe of the steam generator by spraying high pressure water |
| KR102246302B1 (en) | 2020-05-20 | 2021-04-29 | 호진산업기연(주) | Lancing robot for cleaning the heat pipe of the steam generator by spraying high pressure water |
| KR102235901B1 (en) * | 2020-05-21 | 2021-04-05 | 세안기술 주식회사 | a lance for lancing equipment for removing sediment of steam generator in nuclear power plant and control method therefor |
| CN114653694B (en) * | 2020-12-22 | 2023-03-17 | 核动力运行研究所 | Opposite-swing nozzle structure for washing sludge of tube plate of steam generator |
| CN114653695B (en) * | 2020-12-22 | 2023-08-15 | 核动力运行研究所 | Opposite swinging nozzle structure for flushing tube plate sludge of steam generator |
| CN114353050A (en) * | 2021-12-28 | 2022-04-15 | 核动力运行研究所 | Flexible washing unit suitable for steam generator secondary side tube sheet mud sediment |
| KR102645849B1 (en) * | 2023-10-27 | 2024-03-11 | 앤스코 주식회사 | High-pressure spray cleaning robot for all W-F S/G sections |
| KR102645851B1 (en) * | 2023-10-27 | 2024-03-11 | 앤스코 주식회사 | W-F S/G barrel robot for high pressure cleaning |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5813370A (en) * | 1995-09-28 | 1998-09-29 | Franatome Technologies Inc. | Steam generator lancing system |
| KR100384234B1 (en) * | 2000-10-25 | 2003-05-16 | 한국수력원자력 주식회사 | Equipments for cleaning sluges in vapor generator |
| KR100497972B1 (en) * | 2004-11-06 | 2005-07-01 | 한국전력공사 | Sludge lancing system of nuclear steam generator |
-
2005
- 2005-05-27 KR KR1020050044900A patent/KR100621837B1/en active IP Right Grant
- 2005-11-21 CN CNB2005101241792A patent/CN100531936C/en active Active
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| KR100621837B1 (en) | 2006-09-19 |
| CN1868611A (en) | 2006-11-29 |
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