CN220507832U - Online cleaning system for air preheater - Google Patents
Online cleaning system for air preheater Download PDFInfo
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- CN220507832U CN220507832U CN202322178686.0U CN202322178686U CN220507832U CN 220507832 U CN220507832 U CN 220507832U CN 202322178686 U CN202322178686 U CN 202322178686U CN 220507832 U CN220507832 U CN 220507832U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 168
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 238000009434 installation Methods 0.000 claims description 101
- 230000005540 biological transmission Effects 0.000 claims description 49
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an online cleaning system of an air preheater, which comprises a mounting base frame, a cleaning mechanism, a driving mechanism and a limiting mechanism, wherein the mounting base frame is arranged outside a boiler and corresponds to the air preheater, the cleaning mechanism is used for carrying out online cleaning on the air preheater, the driving mechanism is used for controlling the cleaning mechanism to carry out horizontal motion, the limiting mechanism is used for limiting the cleaning mechanism, the cleaning mechanism is arranged at one end of the mounting base frame, the driving mechanism is assembled at one side of the mounting base frame and corresponds to the cleaning mechanism, the limiting mechanism is arranged at the inner side of the mounting base frame, and the cleaning mechanism is matched with the driving mechanism to form a telescopic cleaning system so as to meet the online cleaning requirement of the air preheater.
Description
Technical Field
The utility model relates to the technical field of high-pressure water cleaning equipment, in particular to an online cleaning system of an air preheater.
Background
In the prior art, the air preheater is a heating surface for preheating air before entering a boiler to a certain temperature through internal cooling fins by flue gas in a tail flue of the boiler, and is equipment for improving the heat exchange performance of the boiler and reducing energy consumption; the air preheater is generally divided into three types of plate type, rotary type and tubular type; after the denitration device is started in a thermal power plant, the air preheater is used along with operation, the blockage is changed from original fly ash into ammonium bisulfate scale, and the ammonium bisulfate scale is attached to a heat storage element of the air preheater, so that an air flow channel is blocked and corroded by the heat storage element, and cleaning or cleaning of the air preheater is needed at intervals, when cleaning equipment in the prior art is used for cleaning the air preheater, the cleaning is mainly carried out in an air blowing mode, but because the ammonium bisulfate scale is strong in viscosity, the cleaning is incomplete due to the use of the mode, and because the temperature of the air preheater is close to 200 ℃, staff cannot enter the air preheater, the operation is carried out after the furnace is stopped every time of thorough cleaning, and the air preheater cannot be cleaned in the operation process, so that the existing cleaning mode is as follows: the hand-held spray gun of staff enters the furnace to manually clean the air preheater after the furnace is stopped, so that the problem of scaling of the air preheater is basically solved, but the defects of high working strength, severe environment and high danger of staff exist, and the time of furnace stopping is long each time, so that great barriers are caused to the operation of a power plant, and great economic loss is generated.
The application number is: 201821810438.6A Chinese patent utility model discloses an off-line automatic flushing executing mechanism of an air preheater, which belongs to the technical field of automatic cleaning devices of power equipment and comprises a frame pipe, a front-back travelling device, a displacement adjusting device, a left-right travelling gun head, a right-right travelling gun head, a control console and an operation display; the displacement adjusting device consists of a displacement guide rail and a displacement transmission belt and is used for adjusting the displacement range of the front-back advancing device. However, the off-line automatic flushing executing mechanism of the air preheater is complex in structure, the air preheater cannot be cleaned in the running process, the air preheater can be cleaned only after the furnace is shut down, the economic loss caused by the furnace shutdown is large, certain use restriction is realized, the volume is large, the occupied space is large, and the space is wasted.
Disclosure of Invention
The utility model aims to provide an online cleaning system for an air preheater.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides an air heater online cleaning system, includes the installation bed frame, the installation bed frame corresponds air heater and arranges in the boiler outside, still includes the wiper mechanism that is used for carrying out online cleaning to air heater, is used for controlling the wiper mechanism and carries out horizontal action's actuating mechanism and be used for carrying out spacing stop gear to wiper mechanism, and wiper mechanism disposes the one end of installation bed frame, actuating mechanism corresponds wiper mechanism and assembles one side of installation bed frame, and stop gear corresponds wiper mechanism and arranges the inboard of installation bed frame.
The cleaning mechanism comprises a cleaning base block, a cleaning nozzle seat and a high-pressure cleaning nozzle, wherein the cleaning base block is arranged at one end of the mounting base frame close to the air preheater in a sliding mode, a plurality of cleaning nozzle seats are arranged on the upper portion of the cleaning base block in a side-by-side interval mode and fixedly connected with the cleaning base block, the high-pressure cleaning nozzle corresponds to the plurality of cleaning nozzle seats, the plurality of high-pressure cleaning nozzles are arranged on the upper portion of the cleaning nozzle seat and fixedly connected with the corresponding cleaning nozzle seat respectively, and the cleaning nozzle seat and the high-pressure cleaning nozzle are vertically upwards arranged.
Still including the installation extension pipe, the installation extension pipe is arranged the inboard of installation bed frame and through stop gear with installation bed frame sliding connection, the installation extension pipe level is arranged, it is in to wash the basic block assembly the one end that the installation extension pipe is close to air heater, it communicates with outside water source to wash the basic block, and the water pipe is arranged the inside of installation extension pipe, wash the nozzle holder and high pressure cleaning nozzle passes through it communicates with outside water source to wash basic block and water pipe.
The driving mechanism comprises a gear box, a driving speed reducer and a driving motor, wherein the gear box corresponds to the installation extension pipe is arranged on one side of the installation base frame and is fixedly connected with the installation base frame, the output end of the gear box is in transmission connection with the installation extension pipe through a transmission component, the driving speed reducer is arranged at one end of the gear box away from the installation base frame and is fixedly connected with the gear box, the output end of the driving speed reducer is connected with the input end of the gear box, and the driving motor is arranged at one end of the driving speed reducer away from the gear box and is fixedly connected with the driving speed reducer, and the output end of the driving motor is connected with the input end of the driving speed reducer.
The gear box is fixedly assembled on the side part of the installation base frame through the installation base plate.
The transmission assembly comprises a transmission gear and a transmission rack, the transmission gear is arranged at the output end of the gear box and fixedly connected with the output end of the gear box, the transmission rack is arranged at one side, close to the transmission gear, of the installation extension pipe and fixedly connected with the installation extension pipe, and the transmission rack is meshed with the transmission gear.
The limiting mechanism comprises two groups of limiting shafts and limiting rollers, the limiting shafts are arranged at two groups, the limiting shafts are arranged at the inner side of the installation base frame at intervals in parallel and fixedly connected with the installation base frame through bolts, the limiting rollers correspond to the two groups of limiting shafts, the two groups of limiting rollers are arranged at the middle parts of the two groups of limiting shafts respectively and are in rotary connection with the corresponding limiting shafts, the two groups of limiting rollers are arranged at the upper end and the lower end of the installation extension pipe respectively and are in joint with the installation extension pipe, the installation extension pipe is assembled at the inner side of the installation base frame in a sliding mode through the limiting rollers, the limiting mechanism is provided with a plurality of groups, and the limiting mechanisms of the groups are arranged at the inner side of the installation base frame at intervals in parallel.
The limit roller consists of a cylindrical part and disc-shaped parts symmetrically arranged at two ends of the cylindrical part, the diameter of the disc-shaped parts is larger than that of the cylindrical part, and the cylindrical part and the disc-shaped parts are respectively attached to the corresponding side parts of the installation extension pipe.
The boiler is characterized by further comprising two groups of mounting feet, each group of mounting feet consists of two symmetrically arranged blocks, the two groups of mounting feet are respectively arranged at the lower parts of two ends of the mounting base frame and fixedly connected with the mounting base frame, and the mounting base frame is provided with an opening through the mounting feet which are arranged in the side wall of the boiler and correspond to the side wall of the boiler.
The installation bed frame is assembled by square steel pipe and the steel pipe pillar that multiunit mutually perpendicular arranged and is constituteed, and the junction welding of each square steel pipe and steel pipe pillar is in order to constitute the bed frame structure, installation bed frame level arrangement and its height be less than air heater's height.
The beneficial effects of the utility model are as follows:
the air heater has the advantages that the air heater is simple in structure, the cleaning mechanism is matched with the driving mechanism, the telescopic cleaning system is formed to meet the online cleaning requirement of the air heater, the cleaning system is embedded in the side wall of the boiler through the mounting base frame, space is saved, the cleaning mechanism can be controlled to extend out according to actual conditions in the operation process of the air heater to conduct online cleaning operation on the air heater, the air heater is flexible to use, the cleaning operation can be completed without stopping a furnace, the limiting mechanism is arranged, the cleaning mechanism can be limited in the telescopic process, and the stable operation of the cleaning system is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the cleaning mechanism of the present utility model;
FIG. 3 is a schematic view of the drive mechanism of the present utility model mated with a mounting base frame;
fig. 4 is a schematic view of the structure of the limiting roller of the present utility model.
In the figure: 1. installing a base frame; 2. cleaning the base block; 3. cleaning the nozzle seat; 4. high-pressure cleaning of the nozzle; 5. installing an extension pipe; 6. a gear box; 7. driving a speed reducer; 8. a driving motor; 9. a mounting substrate; 10. a transmission gear; 11. a drive rack; 12. a limiting shaft; 13. a limit roller; 14. and (5) mounting the feet.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings,
the utility model discloses an online cleaning system for an air preheater, which comprises an installation base frame 1, wherein the installation base frame 1 is arranged outside a boiler corresponding to the air preheater, and further comprises a cleaning mechanism for online cleaning the air preheater, a driving mechanism for controlling the cleaning mechanism to perform horizontal motion and a limiting mechanism for limiting the cleaning mechanism, wherein the cleaning mechanism is arranged at one end of the installation base frame 1, the driving mechanism is assembled at one side of the installation base frame 1 corresponding to the cleaning mechanism, and the limiting mechanism is arranged at the inner side of the installation base frame 1 corresponding to the cleaning mechanism.
The cleaning mechanism comprises a cleaning base block 2, a cleaning nozzle seat 3 and a high-pressure cleaning nozzle 4, wherein the cleaning base block 2 is arranged at one end of an installation base frame 1 close to an air preheater in a sliding manner, the cleaning nozzle seat 3 is provided with a plurality of cleaning nozzle seats, the plurality of cleaning nozzle seats 3 are arranged at the upper part of the cleaning base block 2 side by side at intervals and fixedly connected with the cleaning base block 2, the high-pressure cleaning nozzle 4 is provided with a plurality of cleaning nozzle seats 3 corresponding to the plurality of cleaning nozzle seats 3, the plurality of high-pressure cleaning nozzles 4 are respectively arranged at the upper part of the plurality of cleaning nozzle seats 3 and fixedly connected with the corresponding cleaning nozzle seat 3, the cleaning nozzle seats 3 and the high-pressure cleaning nozzle 4 are vertically upwards arranged, the cleaning mechanism is matched with the cleaning base block 2, the cleaning nozzle seats 3 and the high-pressure cleaning nozzle 4 to form a high-pressure cleaning structure in the cleaning system so as to clean the air preheater, the cleaning base block 2 is used as a main body of the cleaning structure and provides mounting support for the cleaning nozzle seats 3 and the high-pressure cleaning nozzle 4, the high-pressure cleaning nozzle seat 3 is used for providing mounting support for the high-pressure cleaning nozzle 4, and the high-pressure cleaning nozzle 4 is used for forming the cleaning structure together towards the upper part of the cleaning nozzle seat 3 so as to spray the high-pressure cleaning structure towards the air preheater, as shown in the schematic diagram of the cleaning mechanism.
Still including installation extension pipe 5, installation extension pipe 5 is arranged in the inboard of installation bed frame 1 and is through stop gear and installation bed frame 1 sliding connection, installation extension pipe 5 horizontal arrangement, wash the one end that the base block 2 assembled at installation extension pipe 5 is close to air heater, wash the base block 2 and communicate with outside water source through the water pipe, the inside at installation extension pipe 5 is arranged to the water pipe, wash nozzle holder 3 and high pressure cleaning nozzle 4 and communicate with outside water source through wasing base block 2 and water pipe, wherein, installation extension pipe 5 is arranged as the mounting structure in the cleaning system, thereby for the wiper mechanism provides the installation support with wiper mechanism sliding fit in installation bed frame 1 inboard.
The driving mechanism comprises a gear box 6, a driving speed reducer 7 and a driving motor 8, wherein the gear box 6 is correspondingly provided with an installation extension pipe 5 on one side of the installation pedestal 1 and is fixedly connected with the installation pedestal 1, the output end of the gear box 6 is in transmission connection with the installation extension pipe 5 through a transmission component, the driving speed reducer 7 is arranged at one end of the gear box 6 far away from the installation pedestal 1 and is fixedly connected with the gear box 6, the output end of the driving speed reducer 7 is connected with the input end of the gear box 6, the driving motor 8 is arranged at one end of the driving speed reducer 7 far away from the gear box 6 and is fixedly connected with the driving speed reducer 7, the output end of the driving motor 8 is connected with the input end of the driving speed reducer 7, the driving mechanism is matched with the driving motor 8 through the gear box 6, the driving speed reducer 7 slides along the installation pedestal 1, so that the installation extension pipe 5 can extend and retract relative to the installation pedestal 1, the gear box 6 is used as a transmission structure in the driving mechanism to be connected with the transmission component, the driving speed reducer 7 is used for driving the action through the gear box 6 under the action of the driving motor 8, the driving speed reducer 8 is used for driving the action of the gear box 6, the driving speed reducer 8 is used for outputting power to drive the driving component to the driving mechanism to the speed 7 to work, the driving mechanism 7 is used for driving and driving to work, and the driving mechanism 7 is matched with the driving mechanism to work as shown in the diagram figure 3.
The gear box 6 is fixedly assembled on the side part of the installation base frame 1 through the installation base plate 9, wherein the installation base plate 9 is used as an installation structure on the installation base frame 1, so that installation support is provided for the gear box 6.
The transmission assembly comprises a transmission gear 10 and a transmission rack 11, wherein the transmission gear 10 is arranged at the output end of the gear box 6 and fixedly connected with the output end of the gear box 6, the transmission rack 11 is arranged on one side of the installation extension pipe 5, which is close to the transmission gear 10, and is fixedly connected with the installation extension pipe 5, the transmission rack 11 is meshed with the transmission gear 10, the transmission assembly is matched with the transmission rack 11 through the transmission gear 10 and the transmission rack 11 to form a transmission structure in the driving mechanism so as to realize transmission connection of the driving mechanism and the installation extension pipe 5, the transmission gear 10 is used as a transmission structure at the output end of the gear box 6, the transmission rack 11 is used as a transmission structure on the installation extension pipe 5, and the transmission gear 10 is matched with the transmission rack 11 so as to realize transmission connection of the driving mechanism and the installation extension pipe 5.
The limiting mechanism comprises limiting shafts 12 and limiting rollers 13, wherein the limiting shafts 12 are provided with two groups, the two groups of limiting shafts 12 are arranged on the inner side of the installation base frame 1 at intervals in parallel and fixedly connected with the installation base frame 1 through bolts, the limiting rollers 13 are provided with two groups of limiting shafts 12 corresponding to the two groups of limiting shafts 12, the two groups of limiting rollers 13 are respectively arranged in the middle of the two groups of limiting shafts 12 and are rotatably connected with the corresponding limiting shafts 12, the two groups of limiting rollers 13 are respectively positioned at the upper end and the lower end of the installation extension tube 5 and are in fit with the installation extension tube 5, the installation extension tube 5 is slidably assembled on the inner side of the installation base frame 1 through the limiting rollers 13, the limiting mechanism is provided with a plurality of groups of limiting mechanisms, the plurality of groups of limiting mechanisms are arranged on the inner side of the installation base frame 1 at intervals in parallel and are matched with the limiting rollers 13 to form a limiting structure on the inner side of the installation base frame 1 so as to limit the installation extension tube 5, and therefore stability in the extension tube 1 during the extension process is guaranteed, the limiting rollers 13 are used for providing installation support for the limiting rollers 13 to be assembled on the inner side of the installation base frame 1 under the action of the limiting shafts 12, and the limiting rollers 13 are used for rotatably connecting with the installation base frame 1, and limiting the installation extension tube 5, and limiting the limiting mechanism is shown in the figure 4.
The limit roller 13 is composed of a cylindrical part and disc parts symmetrically arranged at two ends of the cylindrical part, the diameter of the disc parts is larger than that of the cylindrical part, the cylindrical part and the disc parts are respectively attached to corresponding side parts of the installation extension pipe 5, wherein the cylindrical part and the disc parts jointly form a limit guide roller structure, and therefore the horizontal action requirement of the installation extension pipe 5 is met while the installation extension pipe 5 is limited.
The boiler cleaning device comprises a boiler, and is characterized by further comprising mounting feet 14, wherein the mounting feet 14 are provided with two groups, each group of mounting feet 14 consists of two symmetrically arranged blocks, the two groups of mounting feet 14 are respectively arranged at the lower parts of two ends of the mounting base frame 1 and fixedly connected with the mounting base frame 1, the mounting base frame 1 is arranged in the side wall of the boiler through the mounting feet 14, the side wall of the boiler is provided with an opening corresponding to the mounting base frame 1, the mounting feet 14 are used as mounting structures on the mounting base frame 1, and a cleaning system can be assembled on the side wall of the boiler through the mounting feet 14.
The installation base frame 1 is formed by assembling a plurality of groups of square steel pipes and steel pipe struts which are mutually perpendicular, the joints of the square steel pipes and the steel pipe struts are welded to form a base frame structure, the installation base frame 1 is horizontally arranged and the height of the installation base frame is lower than that of the air preheater, wherein the square steel pipes and the steel pipe struts form a stable base frame structure together, and therefore stable installation support is provided for the cleaning system.
In this technical scheme, all be equipped with four groups of washing nozzle holder 3, high pressure cleaning nozzle 4, if need reduce nozzle quantity, can take off corresponding washing nozzle holder 3 and high pressure cleaning nozzle 4 and use the shutoff to plug up corresponding mouth of a river can.
The number of the cleaning nozzle seat 3, the high-pressure cleaning nozzle 4, the limiting mechanism, the square steel pipes and the steel pipe supports can be adaptively adjusted according to actual use requirements.
Working principle:
the side wall of the boiler is provided with an opening corresponding to the cleaning system, the height of the opening is lower than that of the air preheater, the cleaning system is arranged on the side wall of the boiler through the mounting base frame 1, the cleaning system is arranged corresponding to the opening on the side wall of the boiler, the cleaning mechanism and the mounting extension pipe 5 are horizontally arranged, the high-pressure cleaning nozzle 4 is vertically upwards arranged, in the operation process of the boiler, if the air preheater needs to be cleaned, the driving motor 8 is controlled to work, the mounting extension pipe 5 is driven to horizontally act through the transmission assembly, the cleaning mechanism extends out relative to the mounting base frame 1, meanwhile, the high-pressure cleaning nozzle 4 upwards sprays high-pressure water to perform cleaning operation on the air preheater above, after the cleaning device finishes cleaning the corresponding area of the air preheater, the driving mechanism drives the cleaning mechanism to horizontally move a certain distance along the mounting base frame 1 through the mounting extension pipe 5, so that the cleaning mechanism cleans a new area on the air preheater, the cleaning mechanism reciprocates until the whole cleaning of the air preheater is finished, and after the cleaning is finished, the driving mechanism drives the mounting extension pipe 5 to reset through the transmission assembly, the cleaning mechanism is enabled to retract, and the cleaning mechanism is finished, and the cleaning operation can be controlled according to the preset frequency or the manual operation requirement of a user.
The utility model has the advantages that the structure is simple, the cleaning mechanism is matched with the driving mechanism, the telescopic cleaning system is formed to meet the online cleaning requirement of the air preheater, the cleaning system is embedded in the side wall of the boiler through the mounting base frame, the space is saved, the cleaning mechanism can be controlled to extend out according to the actual situation to carry out online cleaning operation on the air preheater in the operation process, the use is flexible, the cleaning operation can be completed without stopping the furnace, and the limiting mechanism is arranged, so that the cleaning mechanism can be limited in the telescopic process, and the stable operation of the cleaning system is ensured.
The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (10)
1. The utility model provides an air heater online cleaning system, includes installation bed frame (1), installation bed frame (1) corresponds air heater and arranges in the boiler outside, its characterized in that still includes the wiper mechanism that is used for carrying out online cleaning to air heater, is used for controlling wiper mechanism and carries out horizontal action's actuating mechanism and be used for carrying out spacing stop gear to wiper mechanism, and wiper mechanism disposes the one end of installation bed frame (1), and actuating mechanism corresponds wiper mechanism and assembles one side of installation bed frame (1), and stop gear corresponds wiper mechanism and arranges the inboard of installation bed frame (1).
2. The online cleaning system of an air preheater according to claim 1, wherein the cleaning mechanism comprises a cleaning base block (2), a cleaning nozzle seat (3) and a high-pressure cleaning nozzle (4), the cleaning base block (2) is slidably arranged at one end of the mounting base frame (1) close to the air preheater, the cleaning nozzle seat (3) is provided with a plurality of cleaning nozzle seats (3) which are arranged at the upper part of the cleaning base block (2) at intervals side by side and fixedly connected with the cleaning base block (2), the high-pressure cleaning nozzle (4) is provided with a plurality of cleaning nozzle seats (3) corresponding to the plurality of cleaning nozzle seats (3), the plurality of high-pressure cleaning nozzles (4) are respectively arranged at the upper parts of the plurality of cleaning nozzle seats (3) and fixedly connected with the corresponding cleaning nozzle seats (3), and the cleaning nozzle seats (3) and the high-pressure cleaning nozzles (4) are vertically and upwardly arranged.
3. An on-line cleaning system for an air preheater according to claim 2, further comprising a mounting extension tube (5), said mounting extension tube (5) being arranged inside said mounting base frame (1) and being slidably connected to said mounting base frame (1) by a limiting mechanism, said mounting extension tube (5) being arranged horizontally, said cleaning base block (2) being fitted at an end of said mounting extension tube (5) adjacent to the air preheater, said cleaning base block (2) being in communication with an external water source through a water tube, said water tube being arranged inside said mounting extension tube (5), said cleaning nozzle holder (3) and said high pressure cleaning nozzle (4) being in communication with an external water source through said cleaning base block (2) and water tube.
4. An air preheater on-line cleaning system as claimed in claim 3, characterized in that the driving mechanism comprises a gear box (6), a driving speed reducer (7) and a driving motor (8), the gear box (6) is arranged on one side of the mounting base frame (1) corresponding to the mounting extension tube (5) and is fixedly connected with the mounting base frame (1), the output end of the gear box (6) is in transmission connection with the mounting extension tube (5) through a transmission component, the driving speed reducer (7) is arranged at one end, far away from the mounting base frame (1), of the gear box (6) and is fixedly connected with the gear box (6), the output end of the driving speed reducer (7) is connected with the input end of the gear box (6), the driving motor (8) is arranged at one end, far away from the gear box (6), of the driving speed reducer (7) and is fixedly connected with the output end of the driving motor (8) and is connected with the input end of the driving speed reducer (7).
5. An air preheater on-line cleaning system as claimed in claim 4, further comprising a mounting base plate (9), wherein the mounting base plate (9) is disposed at a lower portion of one side of the mounting base frame (1) corresponding to the gear case (6) and fixedly connected with the mounting base frame (1), and the gear case (6) is fixedly assembled at a side portion of the mounting base frame (1) through the mounting base plate (9).
6. An on-line cleaning system for air preheaters as claimed in claim 5, characterized in that the transmission assembly comprises a transmission gear (10) and a transmission rack (11), the transmission gear (10) is arranged at the output end of the gear box (6) and fixedly connected with the output end of the gear box (6), the transmission rack (11) is arranged at one side of the installation extension pipe (5) close to the transmission gear (10) and fixedly connected with the installation extension pipe (5), and the transmission rack (11) is meshed and connected with the transmission gear (10).
7. The online cleaning system of an air preheater according to claim 6, wherein the limiting mechanism comprises two limiting shafts (12) and limiting rollers (13), the two limiting shafts (12) are arranged at two groups, the two groups of limiting shafts (12) are arranged at the inner side of the installation base frame (1) at intervals in parallel and fixedly connected with the installation base frame (1) through bolts, the two groups of limiting rollers (13) are arranged at two groups corresponding to the two groups of limiting shafts (12), the two groups of limiting rollers (13) are respectively arranged at the middle parts of the two groups of limiting shafts (12) and are rotationally connected with the corresponding limiting shafts (12), the two groups of limiting rollers (13) are respectively arranged at the upper end and the lower end of the installation extension tube (5) and are attached to the installation extension tube (5), the installation extension tube (5) is slidably assembled at the inner side of the installation base frame (1) through the limiting rollers (13), the limiting mechanisms are arranged at a plurality of groups, and the limiting mechanisms are arranged at intervals at the inner side of the installation base frame (1).
8. An on-line cleaning system for air preheaters according to claim 7, characterized in that the limit roller (13) is composed of a cylindrical portion and disc portions symmetrically arranged at both ends of the cylindrical portion, the diameter of the disc portions is larger than that of the cylindrical portion, and the cylindrical portion and the disc portions are respectively fitted to the corresponding side portions of the installation extension pipe (5).
9. An on-line cleaning system for air preheaters as claimed in claim 8, further comprising mounting feet (14), wherein the mounting feet (14) are provided with two groups, each group of the mounting feet (14) is composed of two symmetrically arranged blocks, the two groups of the mounting feet (14) are respectively arranged at the lower parts of two ends of the mounting base frame (1) and fixedly connected with the mounting base frame (1), the mounting base frame (1) is arranged in the side wall of the boiler through the mounting feet (14), and the side wall of the boiler is provided with an opening corresponding to the mounting base frame (1).
10. An on-line cleaning system for air preheater as set forth in claim 9, wherein said mounting base frame (1) is composed of a plurality of sets of square steel pipes and steel pipe supports which are vertically arranged, the joints of each square steel pipe and steel pipe support are welded to form a base frame structure, said mounting base frame (1) is horizontally arranged and has a height lower than that of the air preheater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178686.0U CN220507832U (en) | 2023-08-14 | 2023-08-14 | Online cleaning system for air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178686.0U CN220507832U (en) | 2023-08-14 | 2023-08-14 | Online cleaning system for air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507832U true CN220507832U (en) | 2024-02-20 |
Family
ID=89865625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322178686.0U Active CN220507832U (en) | 2023-08-14 | 2023-08-14 | Online cleaning system for air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507832U (en) |
-
2023
- 2023-08-14 CN CN202322178686.0U patent/CN220507832U/en active Active
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