CN110686554A - Heat exchanger cleaning device - Google Patents
Heat exchanger cleaning device Download PDFInfo
- Publication number
- CN110686554A CN110686554A CN201911117600.5A CN201911117600A CN110686554A CN 110686554 A CN110686554 A CN 110686554A CN 201911117600 A CN201911117600 A CN 201911117600A CN 110686554 A CN110686554 A CN 110686554A
- Authority
- CN
- China
- Prior art keywords
- drill rod
- heat exchanger
- guide plate
- drill
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
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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
- F28G15/00—Details
- F28G15/02—Supports for cleaning appliances, e.g. frames
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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
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
Abstract
The invention discloses a heat exchanger cleaning device, which is characterized in that a movable support capable of moving left and right along the horizontal direction of the fixed support is arranged on the fixed support, a guide pillar is arranged on the movable support, a guide plate is arranged on the guide pillar and can move up and down along the vertical direction of the guide pillar, a drill rod is arranged on the guide plate and is connected with a drill rod rotating mechanism, the drill rod rotating mechanism is used for driving the drill rod to rotate, a drill rod feeding mechanism for controlling the advance and the retreat of the drill rod is arranged on the guide plate, a drill bit is arranged at the front end of the drill rod, a water spray hole for cleaning the inner wall of a pipeline is arranged at the front part of the drill bit, and a water inlet hole is arranged at the rear part of the drill rod.
Description
Technical Field
The invention relates to a cleaning device for a heat exchanger.
Background
In the prior art, heat exchangers used in the industries of chemical engineering and the like are generally washed by high-pressure water directly, some crystals and scales are difficult to remove, and the high-pressure water is too high, so that production accidents are easy to happen.
Disclosure of Invention
The invention aims to provide a heat exchanger cleaning device which is safe and has a good cleaning effect.
The technical solution of the invention is as follows:
the utility model provides a heat exchanger belt cleaning device which characterized by: the guide plate is arranged on the guide post and can move up and down along the vertical direction of the guide post; the guide plate is provided with a drill rod, the drill rod is connected with a drill rod rotating mechanism, and the drill rod rotating mechanism is used for driving the drill rod to rotate; the guide plate is provided with a drill rod feeding mechanism for controlling the advance and the retreat of the drill rod; the drill bit is arranged at the front end of the drill rod, the water spraying hole used for cleaning the inner wall of the pipeline is formed in the front portion of the drill bit, and the water inlet hole is formed in the rear portion of the drill rod.
The drill rod is sleeved with a fixed seat for positioning the drill rod and a movable seat for assisting in centering the drill rod.
The bottom of the fixed support is provided with an adjusting support leg for adjusting the height. The guide post is provided with a balance block for balancing the weight of each workpiece on the guide plate.
The invention is safe and has good cleaning effect, can be used for cleaning heat exchangers with various apertures (generally phi 6mm ~ 50 mm) and various lengths (generally less than 10 m), is specially used for cleaning crystallization in heat exchanger pipelines and block holes under the production environment that mass transfer is influenced by easy crystallization and fouling, adopts anti-corrosion metal materials for all parts of the device, has stronger corrosion resistance, drilling rigidity and toughness, and is suitable for the field of heat exchanger cleaning.
The device of the invention achieves the purpose of cleaning and heat exchange by cutting and flushing crystal dirt in the heat exchange pipe with water with the pressure lower than 0.8MPa and a drill bit rotating at high speed.
When the heat exchange holes are cleaned, hole-to-hole transposition can be completed by numerical control without manual aiming and positioning again, and when one hole is cleaned (including cutting, scouring and the like), the drill rod is retracted and the heat exchanger tube plate is removed; and moving to the center of the next heat exchanger tube to be cleaned to realize the next cycle until the cleaning of the whole heat exchanger is finished.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a side view of fig. 1.
Detailed Description
A heat exchanger cleaning device comprises a fixed support 1, wherein a movable support 2 (which can be realized by a transmission mechanism 11 comprising a servo motor and a screw rod lamp) capable of moving left and right along the horizontal direction of the fixed support is arranged on the fixed support, a guide pillar 12 is arranged on the movable support, and a guide plate 4 is arranged on the guide pillar and can move up and down along the vertical direction of the guide pillar (which can be realized by a transmission mechanism 10 comprising a servo motor and a screw rod lamp); the guide plate is provided with a drill rod, the drill rod is connected with a drill rod rotating mechanism 5 (comprising a rotating transmission mechanism driven by a variable frequency motor and the like), and the drill rod rotating mechanism is used for driving a drill rod 6 to rotate; a drill rod feeding mechanism 3 (which can comprise a servo motor, a screw rod mechanism and the like) for controlling the advance and the retreat of the drill rod is arranged on the guide plate; the drill bit is arranged at the front end of the drill rod, the water spraying hole used for cleaning the inner wall of the pipeline is formed in the front portion of the drill bit, and the water inlet hole is formed in the rear portion of the drill rod.
The drill rod is sleeved with a fixed seat 8 for positioning the drill rod and a movable seat 7 for assisting in centering the drill rod.
The bottom of the fixed support is provided with an adjusting support leg for adjusting the height. The guide post is provided with a balance weight 9 for balancing the weight of each workpiece on the guide plate.
The fixed support (1) is used for supporting the movable support to provide enough supporting rigidity, and the adjusting support legs at the lower part adjust the relative parallelism between the cleaning device and the pipe hole of the heat exchanger to be cleaned.
The movable support (2) is used for supporting and weighing the guide plate (4), the drill rod mechanism, the hydraulic cylinder, each transmission mechanism, the balance mechanism and the like to move and position in the horizontal direction.
The drill rod feeding mechanism (3) is used for advancing the drill rod mechanism to clean the heat exchange tube and cleaning the heat exchange tube, and withdrawing the drill rod mechanism after cleaning, the advancing speed is determined according to the scaling condition and the operation feeling of the pipeline, the advancing speed is controlled by a computer program, the advancing force is adjustable, and the overload protection is realized.
The guide plate (4) is provided with a drill rod feeding mechanism, a drill rod rotating system, a drill rod moving support system and a guide plate up-and-down transmission system, so that strong installation is provided for the movement of each weighing system.
The drill rod rotating mechanism (5) is the rotating speed required by the cleaning of the drill rod, the control of the rotating speed is controlled according to the scaling condition and the operation feeling of the pipeline, the rotating speed range is 60-200 r/min generally, and the rotating speed is controlled by the speed regulation of a variable frequency motor.
The drill rod (6) is made of a main strength alloy pipe, a suitable drill rod is selected according to the size of the cleaning pipe diameter, and the drill rod is matched with the machine, the specification of which is phi 8 cleaning pipe diameter phi 10-12; diameter 10 washing pipe diameter 12-16; diameter 14 cleaning pipe diameter 16-20; phi 20 diameter 20-50, the specification of the drill rod can be increased if necessary. The drill bit on the drill rod is made of hard alloy materials and wear-resistant materials in a customized mode, the clearance between the drill bit and the pipe diameter is 1MM determined according to the cleaning pipe diameter, the drill bit and the drill are connected through a threaded structure, disassembly, assembly and replacement are convenient, and a plurality of small holes are drilled in the front portion of the drill bit, so that high-pressure water can be sprayed out conveniently to clean the inner wall of the pipeline. When the pipeline is cleaned, the drill rod has enough elasticity and an automatic centering function, and efficient and rapid cleaning is achieved.
The movable seat (7) is used for assisting centering of the drill rod, and the drill rod is prevented from being bent and broken due to overlarge winding degree caused by overlarge pin cutting resistance, so that accidents are avoided.
The fixing seat (8) is used for positioning the drill rod.
The balance weight (9) is used for balancing the weight of each workpiece on the guide plate, reducing the bearing force of the upper and lower transmission screw rods, reducing the abrasion of the screw rods and prolonging the service life of the screw rods.
The transmission mechanisms (10, 11) finish up-down movement and horizontal movement when the holes are cleaned, and automatic control when the holes are cleaned is realized.
Auxiliary device
The plunger type high-pressure pump truck has the working pressure of 50Mpa and the flow rate of 30L/Min, provides the working pressure of the outlet water of the drill rod, and adjusts the outlet water pressure according to the actual condition.
The water storage tank is used for supplying water for the pump truck and is provided with a filtering system, so that the normal operation of the pump truck is ensured.
The method comprises the following operation steps:
1) and (3) placing heat exchange needing to be cleaned on a workbench, adjusting the level of the heat exchanger, arranging the heat exchange tubes in a horizontal and vertical direction, and fixing the heat exchanger.
2) Adjusting the drill rod of the cleaning device to be in the same direction with the heat exchange tube, and aligning to a central hole.
3) And measuring hole distribution data of the heat exchanger, and starting a computer input program of the cleaning device.
4) And starting the drill rod motor to adjust the rotating speed of the motor.
5) Starting the high-pressure water pump and the hydraulic equipment, adjusting the pressure required by each pressure and adjusting the stroke of the hydraulic cylinder.
6) And starting a computer execution switch to start cleaning the heat exchange tube.
7) And after the cleaning is finished, closing the computer execution switch, the high-pressure water pump and the hydraulic equipment. 8) And closing a main power supply and cleaning the site.
7. Maintenance
When maintenance is carried out, the power supply of the equipment is turned off, and meanwhile, the pressure of the equipment is reduced.
1. Maintenance before and after cleaning
Checking whether each moving part is intact, and properly adding lubricating grease between the pairs;
checking whether the high-pressure pump seal has leakage phenomenon, and if so, replacing the seal and repairing;
checking whether the filtration is blocked, and if so, cleaning;
after the work is finished, the hose is detached to drain accumulated water in the hose and accumulated water in the pump;
checking whether each electric unit is intact, whether the steering is correct and whether the emergency stop button is normal.
Checking whether the steel wire rope of the balance block is reliable or not, and properly adding lubricating grease on the outer surface.
Claims (4)
1. The utility model provides a heat exchanger belt cleaning device which characterized by: the guide plate is arranged on the guide post and can move up and down along the vertical direction of the guide post; the guide plate is provided with a drill rod, the drill rod is connected with a drill rod rotating mechanism, and the drill rod rotating mechanism is used for driving the drill rod to rotate; the guide plate is provided with a drill rod feeding mechanism for controlling the advance and the retreat of the drill rod; the drill bit is arranged at the front end of the drill rod, the water spraying hole used for cleaning the inner wall of the pipeline is formed in the front portion of the drill bit, and the water inlet hole is formed in the rear portion of the drill rod.
2. The heat exchanger cleaning apparatus as claimed in claim 1, wherein: the drill rod is sleeved with a fixed seat for positioning the drill rod and a movable seat for assisting in centering the drill rod.
3. The heat exchanger cleaning apparatus as claimed in claim 1, wherein: the bottom of the fixed support is provided with an adjusting support leg for adjusting the height.
4. The heat exchanger cleaning apparatus as claimed in claim 1, wherein: the guide post is provided with a balance block for balancing the weight of each workpiece on the guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117600.5A CN110686554A (en) | 2019-11-15 | 2019-11-15 | Heat exchanger cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117600.5A CN110686554A (en) | 2019-11-15 | 2019-11-15 | Heat exchanger cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110686554A true CN110686554A (en) | 2020-01-14 |
Family
ID=69117065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117600.5A Pending CN110686554A (en) | 2019-11-15 | 2019-11-15 | Heat exchanger cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110686554A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072495A (en) * | 1991-11-20 | 1993-05-26 | 王歆 | A kind of device that heat exchanger is cleaned |
| CN2500398Y (en) * | 2001-09-28 | 2002-07-17 | 东营柯林清洗技术发展有限公司 | Power spear spray for washing |
| CN101430176A (en) * | 2008-11-25 | 2009-05-13 | 湖南大学 | Intelligent movable cleaning robot for condenser |
| CN202915823U (en) * | 2012-11-21 | 2013-05-01 | 天津市通洁高压泵制造有限公司 | Heat exchanger tube pass washing device |
| CN105258550A (en) * | 2015-11-10 | 2016-01-20 | 南京华夏壹泰节能科技有限公司 | High-pressure water online flushing device for condenser |
| CN106017206A (en) * | 2016-07-19 | 2016-10-12 | 江西中烟工业有限责任公司 | Movable type automatic cleaning device for central air-conditioning surface air cooler |
| CN205808231U (en) * | 2016-07-12 | 2016-12-14 | 北京石油化工学院 | A kind of hydraulic control device cleaned for heat exchanger |
| CN106475374A (en) * | 2016-10-26 | 2017-03-08 | 西可林控制系统(上海)有限公司 | A kind of automatic pipe profile inner chamber flusher and control system |
| CN106582966A (en) * | 2016-11-28 | 2017-04-26 | 中信重工机械股份有限公司 | Hardened material scattering system for mill |
-
2019
- 2019-11-15 CN CN201911117600.5A patent/CN110686554A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072495A (en) * | 1991-11-20 | 1993-05-26 | 王歆 | A kind of device that heat exchanger is cleaned |
| CN2500398Y (en) * | 2001-09-28 | 2002-07-17 | 东营柯林清洗技术发展有限公司 | Power spear spray for washing |
| CN101430176A (en) * | 2008-11-25 | 2009-05-13 | 湖南大学 | Intelligent movable cleaning robot for condenser |
| CN202915823U (en) * | 2012-11-21 | 2013-05-01 | 天津市通洁高压泵制造有限公司 | Heat exchanger tube pass washing device |
| CN105258550A (en) * | 2015-11-10 | 2016-01-20 | 南京华夏壹泰节能科技有限公司 | High-pressure water online flushing device for condenser |
| CN205808231U (en) * | 2016-07-12 | 2016-12-14 | 北京石油化工学院 | A kind of hydraulic control device cleaned for heat exchanger |
| CN106017206A (en) * | 2016-07-19 | 2016-10-12 | 江西中烟工业有限责任公司 | Movable type automatic cleaning device for central air-conditioning surface air cooler |
| CN106475374A (en) * | 2016-10-26 | 2017-03-08 | 西可林控制系统(上海)有限公司 | A kind of automatic pipe profile inner chamber flusher and control system |
| CN106582966A (en) * | 2016-11-28 | 2017-04-26 | 中信重工机械股份有限公司 | Hardened material scattering system for mill |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200114 |
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| RJ01 | Rejection of invention patent application after publication |