EP0828985A1 - Driving system for a water jet blower - Google Patents
Driving system for a water jet blowerInfo
- Publication number
- EP0828985A1 EP0828985A1 EP96916172A EP96916172A EP0828985A1 EP 0828985 A1 EP0828985 A1 EP 0828985A1 EP 96916172 A EP96916172 A EP 96916172A EP 96916172 A EP96916172 A EP 96916172A EP 0828985 A1 EP0828985 A1 EP 0828985A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water lance
- water
- movement
- lance
- blower according
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 183
- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims abstract 2
- 230000033001 locomotion Effects 0.000 claims description 130
- 238000010438 heat treatment Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000001914 calming effect Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 2
- 238000011105 stabilization Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000007664 blowing Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 210000000245 forearm Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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- 238000000844 transformation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
-
- 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
- F28G3/00—Rotary appliances
- F28G3/16—Rotary appliances using jets of fluid for removing debris
-
- 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
- F28G3/00—Rotary appliances
- F28G3/16—Rotary appliances using jets of fluid for removing debris
- F28G3/166—Rotary appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
Definitions
- the present invention relates to a drive system for a water lance blower according to the preamble of claim 1 and a method for its operation.
- the cleaning of heating systems is also carried out, among other things, with the help of water lance blowers, which emit a concentrated water jet through the combustion chamber onto the opposite wall.
- water lance blowers which emit a concentrated water jet through the combustion chamber onto the opposite wall.
- the water jet from water lance blowers generally follows a certain predetermined path on the surface to be cleaned, also called a blow figure, this path generally running in a meandering or spiral manner and possibly avoiding obstacles, openings or other sensitive zones.
- Another two-axis control is also known from WO 93/12398, which precisely controls the water lance by means of two spindle drives running perpendicular to one another, which in turn are held by means of a guide frame.
- the blowing lance is guided by mechanisms and central drives, drive and bearing elements being mounted and arranged in a frame construction in the space around the blowing guides, which take up a large space.
- the often large length of the lance and the water supply lead to great leverage and Forces, which in turn require corresponding guides, drives and frames.
- each hatch there is not enough space available in the area of each hatch, which can be any opening in which a water lance blower should advantageously be arranged.
- the object of the present invention is therefore to create a drive system for a water lance blower, which can be arranged flexibly even in confined spaces and also allows the free choice of any blow figures and any movement speeds.
- the object of the invention is also to provide a suitable method for operating such water lance blowers.
- the water lance blower according to the invention for cleaning heating systems can be moved by at least one movement element which is connected at one end to the water lance blower and at the other end directly to the heating system.
- the drive system is equipped with position transducers for the precise determination of the position of the water lance, as a result of which a controlled driving style can be achieved.
- the movement element is at least part of a manipulator arm.
- One end of the manipulator arm can preferably be attached to the heating system in such a way that the water lance blower is easily accessible in terms of maintenance and inspection, without unnecessarily restricting the space on a work platform.
- the manipulator arm itself can be designed freely, and in one embodiment the movement element itself is the manipulator arm.
- the arrangement of the ends of one or more movement elements in one plane, which extends perpendicular to a vertical plane through the movement point of the water lance, allows this movement point to be moved far forward into the hatch or the heating system, as a result of which larger swivel ranges and more favorable leverage ratios result in the drive system.
- the vertical level is to be understood as a corresponding horizontal through the movement point. If only one movement element is used, this is preferred, its length and its direction can be changed, and thus fulfills the functions of a manipulator arm. If there are two movement elements, they only need to have linear drives to move the water lance on any path.
- a third movement element which can then support the drive, is very important for such arrangements.
- more than three movement elements can also be used.
- very complex, non-linear movements of the movement element or elements are required, for example, to carry out a meandering blow figure, so that simple control, in particular timing control, is no longer an option for such arrangements.
- the drive system has displacement sensors for the exact determination of the position of the water lance, so that now it is not possible to use a pure control but a controlled control along a target movement line.
- the position transducers enable precise control of the blow figure so that the movement elements can be regulated accordingly.
- the drive system also allows certain parts of the blow figure to run at a first speed and other parts of the blow figure, for example non-contaminated or sensitive areas, to run at a second speed.
- any blow figures and any speed profiles can be programmed or saved by recording on site.
- the displacement transducers can either be arranged in the movement elements themselves as typical displacement or angle transducers, or they can be arranged on one or more displacement transducer arms. It is important that they can measure the exact position of the water lance in relation to a reference position, which may be determined before the blowing process begins. Capacitive, inductive or magnetic sensors as well as digital pedometers and the like are suitable as displacement sensors.
- the control takes place in a common control electronics which receives the measured values of the displacement transducers, compares them with the target values of the given blow figure and controls the movement elements accordingly.
- the movement elements can be, for example, hydraulic or pneumatic reciprocating pistons, as well as known spindle or rack and pinion drives, also electric or magnetic drives or the use of a manipulator arm are possible.
- it can also be advantageous to adapt the movement elements to the spatial conditions with levers, cables, chains, swivel joints and the like.
- One method for operating the system according to the invention is that the system is set up on site and then the blowing figure is run for the first time using a template or by visual observation of the water jet and the associated measured values of the displacement sensors are stored. It is also possible to calculate the setpoints for the displacement transducers for any blowing figure after the measured values of the displacement transducers have been determined for specific reference points.
- the invention allows the almost arbitrary arrangement of one or more movement elements depending on the local conditions, the regulation of the movement element or elements by displacement sensors, despite the necessary complicated coordinate transformations, making it possible to exactly follow predetermined blow figures with predetermined speed profiles.
- the environment of the present invention and various exemplary embodiments to explain it are described with reference to the following drawing. Show
- FIG. 1 is a view from the outside of a water lance blower in a hatch of a heating system
- FIG. 3 shows schematically the mode of operation of a water lance blower in a heating system
- FIG. 4 shows the view from FIG. 1 with the movement axes drawn in to explain the movement sequences
- FIG. 5 shows the view from FIG. 2 with the movement axes drawn in, FIG.
- FIG. 9 shows a longitudinal section through FIG. 8, 10 and 11 further embodiments for drive systems of water lances
- FIGS. 1 to 5 are used to illustrate the situation in the case of water lance blowers according to the invention.
- the movement point is located in hatch 2 5 of the water lance 6 in the form of a pivot bearing or ball joint for the water lance 6 fixedly attached in its center.
- the water lance 6 has fastening points 7.1, 7.2, 7.3 at the rear end in which the lance-side ends of the movement elements 8.1, 8.2, 8.3 can be rotated (but not on the lance can be moved).
- the rear ends of the movement elements 8.1, 8.2, 8.3 can be rotated into the fixed bearings 9.1, 9.2, 9.3, e.g. Ball joints, integrated.
- the water enters the lance 6 via a connection 10 and a water supply 11 in the form of a pressure-resistant flexible hose.
- the heating system is surrounded by numerous components that obstruct the installation of water lance blowers.
- a steam pipe 13 and the fixed bearing 9.1 are attached to a first support 12 above the hatch 2.
- a second support 14 is arranged at a short distance, to the right of hatch 2.
- a light grating 15 serving as a working platform ends on the right.
- the second support 14 also delimits the railings 16 and 17 and the walking and working platform 15 and holds a control cabinet 18.
- the lance end can be pivoted vertically from above “o” to below “u” in the swivel range S and by means of its movement elements 8.1, 8.2, 8.3 and from left “1” to right “r” in its horizontal range.
- a third but short movement element 8.2 is installed between points 7.2 and 9.2, which is controlled at the same time with its distances and a vibration and jerky movement of the lance 6 and the water jet prevented.
- the movement elements 8.1 to 8.3 work in the upper and on the outer right edge area of the working platform, thus do not hinder the access to the platform and leave enough space down and to the left to allow the water connection 10 directly behind the very short lance length required for the blast jet quality Apply elbow 20 and arrange the water supply 11 to the left near the wall.
- each movement element 8.1-8.3 will perform a length change and length change speed dependent on the spatial geometry of the distances, angular relationships and the geometrical location of the brackets 7.1-7.3 and fixed bearings 9.1-9.3, which coordinate the lance movement and guide the water jet.
- means 45 for registering and controlling the movement of the movement elements are located on one side of the carrier 14. However, the location of the control means is not dependent on the immediate proximity to the water lance blower. Connected to the lance blower via suitable data transmission paths 46, the control means can also be installed in a control room so that they can be accessed quickly.
- the geometry between movement point 5, fastening points on the water lance 7.1-7.3 and fixed bearings 9.1-9.3 is measured, the results are entered into a computer program and the change of each movement element is given for the given blow figures. and / or stored depending on the blowing time and transmitted to the movement elements via the control elements during operation.
- the distances of the movement elements are above the primary movement during the adjustment phase of the work areas.
- the lance or a locking device (not shown) on the end of the lance, which is mechanically coupled to an adjustment device for the blowing paths, can be adjusted.
- the changes in length of the individual movement elements resulting with each movement of the adjusting device and locking are registered and stored via the path sensors. Any blowing figures can be specified via the one-piece device. After removing the setting device and commissioning the control and water blower, the saved movements are executed.
- a coordinate of the lance position can be geometrically assigned to any further wall point in the combustion chamber. In a preferred embodiment, this is done geometrically using the existing combustion chamber dimensions, for example using a mathematical program.
- characteristic points of the combustion chamber walls are determined by means of on-site measurements, e.g. Laser beams replacing the lance position, which are used when the boiler is at a standstill (the longitudinal and transverse expansion of the wall surfaces must of course be taken into account during boiler operation) or other suitable measuring devices also in continuous operation.
- on-site measurements e.g. Laser beams replacing the lance position, which are used when the boiler is at a standstill (the longitudinal and transverse expansion of the wall surfaces must of course be taken into account during boiler operation) or other suitable measuring devices also in continuous operation.
- blow paths for surface areas to be cleaned are then determined geometrically, mathematically or by measurement, and entered into the control of the movement elements.
- An example of this is the blow figure shown in FIG. 3 for cleaning the slag whiskers below some flue gas back-suction devices R and above a flue gas back-suction device.
- the cleaning program starts at A and ends at E.
- the mode of operation is such that after programming the associated path-time diagrams, e.g. in the computer or data storage of the block control system, after entering the appropriate cleaning command, the water lance blower moves to position A ( 3) and with the opening of the water supply, the path-time Program of movement elements 8.1-8.3 is traversed to point E and the water supply closes there again.
- FIG. 6 and 7 show, as a further exemplary embodiment, a water lance blower which is shortened according to the invention and is therefore particularly easy to move, with 2 angle arms and a control device.
- the hatch 2 In the wall 1 of the heating system, the hatch 2 is located with bevels 3 and 4 inside.
- the movement point 5 of the water lance 6 is permanently installed and is designed as a front pivot bearing for the water lance 6 fixedly attached in the center.
- the lance 6 has fastening points 7.1, 7.2 at the rear end, in which the lance-side ends of the movement elements 8.1, 8.2 are rotatably fastened.
- the rear end of the movement elements 8.1, 8.2 is rotatably integrated in the fixed bearings 9.1, 9.2.
- the water enters the lance 6 via a connection 10 and a water supply 11 in the form of a pressure-resistant flexible hose.
- the movement elements are attached to a frame so that the water lance blower can be easily installed. Depending on the installation location, the frame can also be omitted.
- the lance 6 and the water connection 10 are integrated in a ball container 20 which serves as a calming volume for the water flowing in from the side.
- the movement elements 8.1 and 8.2 are each composed of an upper arm 21.1 u. 21.2 and a curved forearm 22.1 u. 22.2; which with turntables 23.1 u. 23.2 are connected.
- the turntables have drives 25.1 and 25.2 which open into the control cabinet 18 via flexible cable connections 26.1 and 26.2.
- Control cabinet 18 and fixed bearings 9.1 and 9.2 are fastened in a frame 27 which is arranged on the wall 1.
- this version of the water lance blowers can only with a quarter frame and 2 movement elements
- the entire construction is to be mounted on one side above the hatch in a quarter of the area, so that the floor area and the left side are fully available for inspection by a worker 28.
- existing frame fragments on the heating system can be used favorably in this way in order to achieve a defined position of the water lance blower.
- the extremely short lance 6 has at its end a ball container 20 which calms the inflow conditions of the water supply 11 in the ball and ensures a water supply to the water nozzle which is uniform over the cross section of the lance.
- the brackets 7.1 u. 7.2 With the small design, the leverage ratios are low and the stability of the lance guide with 2 movement elements is sufficient.
- the spatial arrangement of the drives 25.1 u. 25.2 and the control cabinet within the frame 26 possible. Special spatial minimizations result from the small distances between the movement point 5 as the fulcrum and the brackets 7.1 and 7.2 with the then small control movements of the arms 8.1,
- FIGS. 10 and 11 items 8.2, 9.2, 29
- the procedure is as described in the 1st example for Fig. 1-4. 8 and 9 show another embodiment for the formation and the drive of a shortened water lance blower with 3 symmetrically arranged angle arms as movement elements.
- the hatch 2 In the wall 1 of the heating system, the hatch 2 is located with outward crests 3 and 4 outside.
- the movement point 5 is permanently installed and is designed as a front pivot bearing for the water lance 6 fixedly attached in the center.
- the lance 6 has fastening points 7.1, 7.2, 7.3 at the rear end, in which the lance-side ends of the movement elements 8.1, 8.2, 8.3 are rotatably fastened.
- the rear ends of the movement elements 8.1, 8.2, 8.3 are rotatably integrated into the fixed bearings 9.1, 9.2, 9.3.
- the water enters the lance 6 via a connection 10 and a water supply 11 in the form of a pressure-resistant flexible hose.
- the movement elements 8.1-8.3 are each composed of an upper arm 21.1-21.3, forearm 22.1-22.3 and a turntable 23.1-23.3, which are equipped with angle adjustment devices, not shown.
- the water lance 6 opens at the rear end into a 180 ° deflection 24, which connects to a manifold 20.
- FIGS. 10 and 11 show exemplary embodiments for water lance blowers with 2 tangentially fastened movement elements and a hydraulic cylinder.
- the rope-shaped movement elements 8.1 and 8.3 are with their fixed bearings
- 9.1 and 9.3 and retractors 42 are arranged approximately horizontally, but are in contrast to the previous solutions with their restraints
- Air 38 and water 11 connections are axially rearward with curvatures together upwards in one direction.
- the air supply not only serves as sealing and purge air, but also because of its guidance as a cooling medium.
- This arrangement has the following advantages: small paths of the movement elements 8.1 and 8.3, so that only small angles of rotation of the rollers 42. improved force effect through tangential mounting 7.1 and 7.3, in particular with a large diameter of the outer tube 35 with air cooling (air supply). Simplified common water / air supply connected with clamp 43 with the smallest space requirement. safe guidance despite cable pulling effects 8.1 and 8.3 and by hydraulic cylinders 8.2.
- the exemplary embodiment shown in FIGS. 12 and 13 shows schematically how water lance blowers can be protected and cooled by means of a protective sleeve with sealing and purge air and, for example, moved by three rope-like movement elements.
- a shortened design of the water lance with close to the wall, in particular approximately parallel to the wall, of water can also be encapsulated relatively well completely with a housing, as a result of which all drive elements can be protected against contamination. Only the water supply line and measuring and control lines have to be routed through the housing to the outside.
- Various flow guides as will be explained in greater detail on the basis of the drawing, can be realized, so that cooling, protection against contamination (purging) and prevention of uncontrolled gas exchange through the hatch (blocking) can be achieved at the same time.
- the flushing medium can flow around it in the manner of a jacket jet.
- a suitable measurement and control variable for the blocking function of the medium is in particular the differential pressure between the interior of the heating system and
- a suitable measurement and control variable for the rinsing function (or cooling function) of the medium is, in particular, the temperature at one or more measuring points in the front area of the water lance or in the vicinity of the movement point. If this point is kept constant, the amount of cooling medium varies depending on the operating conditions, but only to the extent absolutely necessary for the flushing function.
- Both controls can also be used in combination, for example by initially keeping the differential pressure constant, but switching to temperature control when a limit temperature is exceeded.
- the hatch 2 is located with recesses towards the inside 3 and outside 4.
- the movement point 5 is permanently installed and is designed as a front pivot bearing for the water lance 6 which is fixed in centimeters.
- the lance 6 has fastening points 7.1, 7.2, 7.3 at the rear end, in which the lance-side ends of the movement elements 8.1, 8.2, 8.3 are rotatably fastened.
- the rearward ends of the movement elements are rotatably integrated in the fixed bearings 9.1, 9.2, 9.3.
- the water enters the lance 6 via a connection 10 and a water supply 11 in the form of a pressure-resistant flexible hose.
- the non-illustrated, non-rotatable but flexibly bendable holding sections 7.1-7.3 hold stable but flexible ropes which act as movement elements 8.1-8.3.
- the ropes run on the fixed bearings 9.1-9.3 over rolls or are wound up / unwound on these rolls.
- the hatch 2 is limited by a connection box 30.
- the outer edge of the connection box is sealed with the lance 6 via a housing 31 and forms an air-flowed free interior 32.
- the lance 6 with its nozzle 33 has an inlet 34 at the end.
- the lance is encased by an outer tube 35.
- the outer tube has a separating ring 36 which forms an air jacket 37 with air supply 38 in the front area and a water deflection 39 in the rear part which opens into the water connection 10.
- Barrier and flushing fluid preferably air
- the 3 movement elements 8.1-8.3 are only controlled via tensile forces. Twisting forces due to the spatial movement of the movement elements are particularly compensated for in the case of a rope, which is shown with the retractor 42 on the fixed bearing 9.3.
- the roller and rope are replaced by a chain and sprocket. With this solution, as shown on the fixed bearing 9.1, the chain can hang down freely at the free end.
- a movement element as shown here in dashed lines for 8.2, is equipped without a drive and the necessary tension is generated via a roller 9.2 and counterweight 29.
- air and water supply can be accommodated in a jacket tube, the air and water supply hanging freely, can be arranged in a vertical plane without movement elements and air or water supply being obstructed in the swivel positions.
- narrow ropes as movement elements which only require small holding lengths 7.1-7.3, at max. Inclination of the lance for this also sufficient space between the housing 31 and lance -Outerrohr35-, if the Swing hold-downs from design requirements into outer indentation 4. In this case the lance can be shortened further.
- the outer tube 35 with the closing hemisphere as a deflection 39 brings uniform inflow conditions of the water into the lance and ensures a swirl-free water jet with a small fanning out despite a short lance.
- a hatch with internal and external offset.
- the water lance chopped there is guided through a ball joint in the hatch.
- spindles mounted in a frame at the top and bottom, which serve as movement elements of the water lance.
- the upper spindle is rotated by a drive with a path change / angle of rotation system.
- bearings on the spindles which have a vertical movement guide element in the form of a spindle.
- This vertical spindle also has a drive with a path change / angle of rotation change system.
- the jet direction of the water lance blower can be changed.
- This water lance blower is now convertible; instead of the long water lance, a shortened, curved one is installed, which also has an effort volume in the form of a sphere.
- the water lance blower is covered with a housing that is dust and splash proof.
- the movement elements are provided with displacement sensors, which in turn are connected to a controller. The drives of the movement elements are again guided by this control.
- the spatial shortening of the water lance blower and its housing cover lead to the light grating being accessible from accidents.
- a changeable drive in connection with the displacement transducers and the control enables the execution of any blow figures.
- the choice of the method for controlling the blow figures and their programming can also be coupled as desired between the experimental measurement and mathematical program solution.
- the radiation geometry of the lance guide into the heating system can be extended, geometric corner points, e.g. Maximum up / down, right / left etc., determined, these are entered in a mathematical program and then the other path points for the blow figure are calculated.
- Another variation consists in the blowing operation with different web speeds, which has not yet been implemented in other solutions, so that heavily slagged areas are blown in longer for a pre-programmed period or / and realizes that instead of switching the water supply valves on and off at high speed without interrupting the blowing operation, the end point E is moved to the starting point A of the next blowing figure (see FIG. 3).
- Direction, deflection and speed can be varied as required and individually adapted to the cleaning requirements.
- Water lance blowers in the heating system make an optimal selection and the number of water lance blowers in the system is minimized.
- the water supply is simplified and less susceptible to faults due to shorter swivel paths and elimination of bends.
- control cabinet 18 control cabinet, control cabinet
- displacement sensors 45 means for control and / or registration
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29623874U DE29623874U1 (en) | 1995-05-30 | 1996-05-30 | Drive system for a water lance blower |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19519780 | 1995-05-30 | ||
DE19519780 | 1995-05-30 | ||
PCT/EP1996/002325 WO1996038703A1 (en) | 1995-05-30 | 1996-05-30 | Driving system for a water jet blower |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0828985A1 true EP0828985A1 (en) | 1998-03-18 |
EP0828985B1 EP0828985B1 (en) | 2001-12-12 |
EP0828985B2 EP0828985B2 (en) | 2004-10-06 |
Family
ID=7763206
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96917467A Expired - Lifetime EP0828986B1 (en) | 1995-05-30 | 1996-05-30 | Process and associated water jet blower for cleaning predeterminable surfaces |
EP96916172A Expired - Lifetime EP0828985B2 (en) | 1995-05-30 | 1996-05-30 | Water jet blower and method of operating the water jet blower |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96917467A Expired - Lifetime EP0828986B1 (en) | 1995-05-30 | 1996-05-30 | Process and associated water jet blower for cleaning predeterminable surfaces |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0828986B1 (en) |
CN (2) | CN1131992C (en) |
AU (2) | AU5902596A (en) |
DE (2) | DE59608847D1 (en) |
WO (2) | WO1996038703A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007062449A1 (en) | 2007-09-04 | 2009-03-19 | Bude, Friedrich, Dr.-Ing. | Method and device for cleaning heating surfaces and / or monitoring operating states of a thermal system |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10009818A1 (en) | 2000-03-01 | 2001-09-06 | Clyde Bergemann Gmbh | Water lance for cleaning residue from the walls of a burner chamber at a heating installation is mounted with its opening at a hatch with a drive system and a remote control/diagnosis connection |
DE10009831A1 (en) | 2000-03-01 | 2001-09-13 | Clyde Bergemann Gmbh | Water lance blower has at least one sensor, e.g. of sound in solids, mounted to detect at least one characteristic parameter for monitoring quality of water jet |
DE10044799C1 (en) | 2000-09-11 | 2002-06-27 | Clyde Bergemann Gmbh | Ball joint bearing for a water lance of a water lance blower |
DE10357021A1 (en) * | 2003-12-05 | 2005-07-07 | Clyde Bergemann Gmbh | Compact sootblower |
US10280366B2 (en) | 2015-06-23 | 2019-05-07 | Instituto Potosino DE Investigación Cientiffica y Technológica A.C. | White light emitting material and method of preparation and uses thereof |
CN105136098B (en) * | 2015-09-15 | 2017-09-26 | 山东省产品质量检验研究院 | A kind of hydraulic giant for fire protection spreading of spray or angle automatic testing equipment of blooming |
US10809023B2 (en) * | 2017-03-20 | 2020-10-20 | Stoneage, Inc. | Flexible tube cleaning lance positioner apparatus |
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FR637931A (en) * | 1926-11-23 | 1928-05-11 | Neu Sa | Chimney sweeper for steam generators |
DE600827C (en) * | 1932-02-18 | 1934-08-01 | L & C Steinmueller Fa | Soot blower for steam boiler |
DE2411133A1 (en) † | 1974-03-08 | 1975-10-09 | Babcock & Wilcox Ag | DEVICE FOR CLEANING HEATING SURFACES |
DD145475A3 (en) † | 1978-08-24 | 1980-12-17 | Bernd Weiser | RUSSBLAESER FOR LARGE STEAM PRODUCERS |
DD153426A1 (en) † | 1979-11-14 | 1982-01-06 | Friedrich Bude | DEVICE FOR CLEANING HEAT TRANSMITTERS |
DD234479A1 (en) * | 1985-02-06 | 1986-04-02 | Orgreb Inst Kraftwerke | ARRANGEMENT FOR LEADING A WATER LIGHT BLADDER |
DD235102B1 (en) † | 1985-03-06 | 1992-12-24 | Ver Energiewerke Ag | WATER LIGHT BLADDER FOR CLEANING HEAT TRANSFER |
DD239656A1 (en) * | 1985-07-23 | 1986-10-01 | Orgreb Inst Kraftwerke | METHOD FOR OPERATING LANCE BLADES |
DD281452B5 (en) † | 1987-07-15 | 2002-07-11 | Clyde Bergemann Gmbh | Method for controlling a cleaning device, in particular a water lance blower for the cleaning of Heizflaechen especially in the combustion chamber of a pulverized coal firing |
DE4239410C2 (en) * | 1991-12-18 | 1997-07-17 | Ver Energiewerke Ag | Water lance blowers for cleaning heat exchangers |
-
1996
- 1996-05-30 EP EP96917467A patent/EP0828986B1/en not_active Expired - Lifetime
- 1996-05-30 DE DE59608847T patent/DE59608847D1/en not_active Expired - Lifetime
- 1996-05-30 EP EP96916172A patent/EP0828985B2/en not_active Expired - Lifetime
- 1996-05-30 DE DE59608453T patent/DE59608453D1/en not_active Expired - Lifetime
- 1996-05-30 AU AU59025/96A patent/AU5902596A/en not_active Abandoned
- 1996-05-30 AU AU60033/96A patent/AU6003396A/en not_active Abandoned
- 1996-05-30 CN CN96194335A patent/CN1131992C/en not_active Expired - Lifetime
- 1996-05-30 CN CN96194336A patent/CN1124469C/en not_active Expired - Lifetime
- 1996-05-30 WO PCT/EP1996/002325 patent/WO1996038703A1/en active IP Right Grant
- 1996-05-30 WO PCT/EP1996/002323 patent/WO1996038701A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9638703A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007062449A1 (en) | 2007-09-04 | 2009-03-19 | Bude, Friedrich, Dr.-Ing. | Method and device for cleaning heating surfaces and / or monitoring operating states of a thermal system |
Also Published As
Publication number | Publication date |
---|---|
EP0828985B1 (en) | 2001-12-12 |
AU5902596A (en) | 1996-12-18 |
DE59608847D1 (en) | 2002-04-11 |
EP0828986A1 (en) | 1998-03-18 |
AU6003396A (en) | 1996-12-18 |
EP0828985B2 (en) | 2004-10-06 |
CN1186547A (en) | 1998-07-01 |
CN1186548A (en) | 1998-07-01 |
CN1131992C (en) | 2003-12-24 |
EP0828986B1 (en) | 2002-03-06 |
WO1996038703A1 (en) | 1996-12-05 |
DE59608453D1 (en) | 2002-01-24 |
CN1124469C (en) | 2003-10-15 |
WO1996038701A1 (en) | 1996-12-05 |
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