CN110657703A - Plate radiator online cleaning device - Google Patents
Plate radiator online cleaning device Download PDFInfo
- Publication number
- CN110657703A CN110657703A CN201911065811.9A CN201911065811A CN110657703A CN 110657703 A CN110657703 A CN 110657703A CN 201911065811 A CN201911065811 A CN 201911065811A CN 110657703 A CN110657703 A CN 110657703A
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- Prior art keywords
- cleaning
- valve
- cooling water
- pipe
- heat exchanger
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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
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
-
- 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
- F28G15/003—Control arrangements
Abstract
The invention provides an online cleaning device for a plate type radiator, which is used for directly cleaning scale on the surface of a radiating fin online without separating a plate type heat exchanger from original heat exchange equipment, is convenient and quick to clean and has a good cleaning effect. It is including installing the plate heat exchanger on equipment, last first inlet tube, the first outlet pipe that is provided with the intercommunication and needs the inside cavity of cooling arrangement of plate heat exchanger, last technology cooling water inlet tube, the technology cooling water outlet pipe of still being provided with of plate heat exchanger, its characterized in that: the process cooling water inlet pipe and the process cooling water outlet pipe are respectively provided with an isolating valve, at least one inlet valve is arranged on a pipeline between the isolating valve of the process cooling water inlet pipe and the plate heat exchanger, at least one outlet valve is arranged on a pipeline between the isolating valve of the process cooling water outlet pipe and the plate heat exchanger, the process cooling water inlet pipe and the plate heat exchanger further comprise a cleaning liquid tank, and a water pump is arranged at the position of a liquid outlet of the cleaning liquid tank.
Description
Technical Field
The invention relates to the technical field of open mill structures, in particular to an online cleaning device for a plate type radiator.
Background
In industrial production, plate radiator plays heat exchange, stabilizes the important function of equipment temperature, nevertheless along with the extension of live time, and cooling water quality is harder, will form the scale layer gradually on the surface of fin, gradual reduction the heat exchange effect, can appear blockking up even, can't play takes away the thermal effect of production line, just so needs regularly clearance. However, because the integral radiator is composed of a block of stainless steel radiating fins, and a sealing rubber strip is arranged inside the radiator, the plate heat exchanger is disassembled and then cleaned by the existing cleaning method, the plate heat exchanger is easy to drop off during disassembly, the sealing strip needs to be bonded again during re-installation, the internal leakage can be caused due to improper treatment, and the disassembly and cleaning time is long.
Disclosure of Invention
Aiming at the problems, the invention provides the plate type radiator online cleaning device, which directly cleans scale on the surface of a radiating fin online without separating a plate type heat exchanger from original heat exchange equipment, and has the advantages of convenient and rapid cleaning and good cleaning effect.
Plate radiator online cleaning device, its technical scheme is like: it is including installing the plate heat exchanger on equipment, last first inlet tube, the first outlet pipe that is provided with the intercommunication and needs the inside cavity of cooling arrangement of plate heat exchanger, last technology cooling water inlet tube, the technology cooling water outlet pipe of still being provided with of plate heat exchanger, its characterized in that: the utility model discloses a cleaning solution tank, including technology cooling water inlet pipe, technology cooling water outlet pipe, it has the inlet valve to arrange on the pipeline between the partition valve of technology cooling water inlet pipe and the plate heat exchanger respectively, at least one inlet valve has been arranged on the pipeline between the partition valve of technology cooling water inlet pipe and the plate heat exchanger, at least one outlet valve has been arranged on the pipeline between the partition valve of technology cooling water outlet pipe and the plate heat exchanger, and it is still including the cleaning solution case, the water pump has been arranged to the liquid outlet position of cleaning solution case, the export of water pump passes through the scavenge pipe and connects the inlet valve, the cleaning solution case still is provided with into the liquid mouth, go into the liquid mouth and connect through backflow pipeline the outlet valve, cleaning.
It is further characterized in that;
the liquid outlet is arranged at the bottom of the cleaning liquid tank, and the liquid inlet is arranged at the top of the cleaning liquid tank, so that smooth backflow and output of cleaning liquid are ensured;
the cleaning liquid box is supported on the movable trolley, so that the cleaning liquid box is convenient and quick to carry, and different plate heat exchangers can be cleaned at different times;
a drain pipe is further arranged at the bottom of the cleaning liquid box, a drain valve is integrated on the drain pipe, a transparent observation port is formed in at least one side plate of the cleaning liquid box body, certain foam can be generated in the cleaning liquid box due to scale dissolution in the cleaning process, the liquid level is observed through the transparent observation port, and when the liquid level is too high, the drain valve is opened, and a certain amount of cleaning liquid is drained through the drain pipe;
the cleaning agent is preferably citric acid;
the water pump specifically is circulating water pump, the water pump is external in electrical control cabinet, electrical control cabinet arrange in top one side position of cleaning solution case ensures convenient operation.
An online cleaning method for a plate type radiator is characterized by comprising the following steps: the technical scheme includes that a closing valve is additionally arranged on a process cooling water inlet pipe of a plate radiator respectively, an inlet valve is arranged on the process cooling water outlet pipe, an closing valve and an outlet valve are additionally arranged on the process cooling water outlet pipe, when the plate radiator is cleaned, two closing valves are closed, a cleaning pipe and a return pipe of a cleaning liquid tank are connected to the upper surfaces of the inlet valve and the outlet valve respectively, then the inlet valve and the outlet valve are opened, meanwhile, the water in the cleaning liquid tank is ensured to be filled in a half of the cleaning liquid tank, a certain amount of citric acid is added into the cleaning liquid tank, the stirring is uniform, then a water pump switch is opened for cleaning, the cleaning is carried out for 2-5 hours according to the severity of scale, a water pump is closed after the cleaning is finished, the inlet valve and the outlet.
It is further characterized in that: because the incrustation scale dissolves in the cleaning process, certain foam can be generated in the cleaning liquid tank, the liquid level is observed through the transparent observation port, and when the liquid level is too high, the drain valve is opened and a certain amount of cleaning liquid is discharged through the drain pipe.
After the technical scheme is adopted, the isolating valves are used for forming a closed space between the process cooling water pipe and the interior of the plate heat exchanger, and the plate heat radiator has the defects that scale can be attached to the process water surface on the cold side in the process of cooling liquid in the equipment, the plate is blocked for replacement for a long time, process water cannot smoothly flow through the plate heat radiator, and the effect of exchanging heat cannot be achieved, so that a closed space is formed in the process cooling water pipe and the interior of the plate heat exchanger through the two isolating valves for cleaning; the plate heat exchanger does not need to be separated from the original heat exchange equipment, scales on the surfaces of the radiating fins are directly cleaned on line, the plate heat exchanger is convenient and quick to clean, and the cleaning effect is good.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the plate heat exchanger comprises a plate heat exchanger 1, a first water inlet pipe 2, a first water outlet pipe 3, a process cooling water inlet pipe 4, a process cooling water outlet pipe 5, an isolating valve 6, an inlet valve 7, an outlet valve 8, a cleaning solution tank 9, a water pump 10, a liquid inlet 11, a return pipeline 12, a movable trolley 13, a sewage discharge pipe 14, a transparent observation port 15 and an electric control cabinet 16.
Detailed Description
Plate radiator online cleaning device, see fig. 1: the plate type heat exchanger comprises a plate type heat exchanger 1 installed on equipment, a first water inlet pipe 2 and a first water outlet pipe 3 which are communicated with an internal cavity of the equipment to be cooled are arranged on the plate type heat exchanger 1, a process cooling water inlet pipe 4 and a process cooling water outlet pipe 5 are also arranged on the plate type heat exchanger 1, a closing valve 6 is respectively arranged on the process cooling water inlet pipe 4 and the process cooling water outlet pipe 5, at least one inlet valve 7 is arranged on a pipeline between the closing valve 6 of the process cooling water inlet pipe 4 and the plate type heat exchanger 1, at least one outlet valve 8 is arranged on a pipeline between the closing valve 6 of the process cooling water outlet pipe 5 and the plate type heat exchanger 1, the plate type heat exchanger further comprises a cleaning liquid box 9, a water pump 10 is arranged at the position of a liquid outlet of the cleaning liquid box 9, an outlet of the water pump 10 is connected with the inlet valve 7 through a cleaning pipe 17, the liquid inlet of the cleaning liquid tank 9 can be simultaneously added with cleaning agent and water.
The liquid outlet is arranged at the bottom of the cleaning liquid tank 9, and the liquid inlet 11 is arranged at the top of the cleaning liquid tank 9, so that smooth backflow and output of the cleaning liquid are ensured;
the cleaning solution box 9 is supported on the movable trolley 13, so that the cleaning solution box 9 is convenient and quick to carry, and different plate heat exchangers can be cleaned at different times;
a drain pipe 14 is further arranged at the bottom of the cleaning liquid tank 9, a drain valve is integrated on the drain pipe 14, a transparent observation port 15 is formed in at least one side plate of the cleaning liquid tank 9, certain foam can be generated in the cleaning liquid tank 9 due to scale dissolution in the cleaning process, the liquid level is observed through the transparent observation port 15, and when the liquid level is too high, the drain valve is opened, and a certain amount of cleaning liquid is discharged through the drain pipe 14;
the cleaning agent is preferably citric acid;
An online cleaning method of a plate type radiator comprises the following steps: the technical scheme includes that a closing valve is additionally arranged on a process cooling water inlet pipe of a plate radiator respectively, an inlet valve is arranged on the process cooling water outlet pipe, an closing valve and an outlet valve are additionally arranged on the process cooling water outlet pipe, when the plate radiator is cleaned, two closing valves are closed, a cleaning pipe and a return pipe of a cleaning liquid tank are connected to the upper surfaces of the inlet valve and the outlet valve respectively, then the inlet valve and the outlet valve are opened, meanwhile, the water in the cleaning liquid tank is ensured to be filled in a half of the cleaning liquid tank, a certain amount of citric acid is added into the cleaning liquid tank, the stirring is uniform, then a water pump switch is opened for cleaning, the cleaning is carried out for 2-5 hours according to the severity of scale, a water pump is closed after the cleaning is finished, the inlet valve and the outlet.
Because the incrustation scale dissolves in the cleaning process, certain foam can be generated in the cleaning liquid tank, the liquid level is observed through the transparent observation port, and when the liquid level is too high, the drain valve is opened and a certain amount of cleaning liquid is discharged through the drain pipe.
The working principle is as follows: the isolating valve is used for forming a closed space between the process cooling water pipe and the interior of the plate heat exchanger, and the plate heat radiator has the defects that scale can be attached to the process water surface on the cold side in the process of liquid in cooling equipment, the plate is blocked and replaced for a long time, process water cannot smoothly flow through the plate, the effect of exchanging heat cannot be achieved, and therefore the two isolating valves are used for forming the closed space inside the plate heat radiator to clean the plate heat radiator.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. Plate radiator online cleaning device, it is including installing the plate heat exchanger on equipment, last first inlet tube, the first outlet pipe that is provided with the intercommunication and needs the inside cavity of cooling arrangement of plate heat exchanger, last technology cooling water inlet tube, the technology cooling water outlet pipe of still being provided with of plate heat exchanger, its characterized in that: the utility model discloses a cleaning solution tank, including technology cooling water inlet pipe, technology cooling water outlet pipe, it has the inlet valve to arrange on the pipeline between the partition valve of technology cooling water inlet pipe and the plate heat exchanger respectively, at least one inlet valve has been arranged on the pipeline between the partition valve of technology cooling water inlet pipe and the plate heat exchanger, at least one outlet valve has been arranged on the pipeline between the partition valve of technology cooling water outlet pipe and the plate heat exchanger, and it is still including the cleaning solution case, the water pump has been arranged to the liquid outlet position of cleaning solution case, the export of water pump passes through the scavenge pipe and connects the inlet valve, the cleaning solution case still is provided with into the liquid mouth, go into the liquid mouth and connect through backflow pipeline the outlet valve, cleaning.
2. The plate radiator online cleaning device of claim 1, wherein: the liquid outlet is arranged at the bottom of the cleaning liquid box, and the liquid inlet is arranged at the top of the cleaning liquid box.
3. The plate radiator online cleaning device of claim 1, wherein: the cleaning liquid box is supported on the moving trolley.
4. The plate radiator online cleaning device of claim 1, wherein: the bottom of cleaning solution box still is provided with the blow off pipe, it has the blowoff valve to integrate on the blow off pipe, be provided with transparent viewing aperture on at least a curb plate of washing solution box.
5. The plate radiator online cleaning device of claim 1, wherein: the cleaning agent is preferably citric acid.
6. The plate radiator online cleaning device of claim 1, wherein: the water pump is specifically circulating water pump, the water pump is external in electrical control cabinet, electrical control cabinet arrange in top one side position of cleaning solution case.
7. An online cleaning method for a plate type radiator is characterized by comprising the following steps: the technical scheme includes that a closing valve is additionally arranged on a process cooling water inlet pipe of a plate radiator respectively, an inlet valve is arranged on the process cooling water outlet pipe, an closing valve and an outlet valve are additionally arranged on the process cooling water outlet pipe, when the plate radiator is cleaned, two closing valves are closed, a cleaning pipe and a return pipe of a cleaning liquid tank are connected to the upper surfaces of the inlet valve and the outlet valve respectively, then the inlet valve and the outlet valve are opened, meanwhile, the water in the cleaning liquid tank is ensured to be filled in a half of the cleaning liquid tank, a certain amount of citric acid is added into the cleaning liquid tank, the stirring is uniform, then a water pump switch is opened for cleaning, the cleaning is carried out for 2-5 hours according to the severity of scale, a water pump is closed after the cleaning is finished, the inlet valve and the outlet.
8. An on-line cleaning method for a plate radiator as claimed in claim 7, wherein: because the incrustation scale dissolves in the cleaning process, certain foam can be generated in the cleaning liquid tank, the liquid level is observed through the transparent observation port, and when the liquid level is too high, the drain valve is opened and a certain amount of cleaning liquid is discharged through the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065811.9A CN110657703A (en) | 2019-11-04 | 2019-11-04 | Plate radiator online cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911065811.9A CN110657703A (en) | 2019-11-04 | 2019-11-04 | Plate radiator online cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110657703A true CN110657703A (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911065811.9A Pending CN110657703A (en) | 2019-11-04 | 2019-11-04 | Plate radiator online cleaning device |
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| CN (1) | CN110657703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964491A (en) * | 2020-09-21 | 2020-11-20 | 温州职业技术学院 | Large-scale heat exchanger with automatic cleaning structure |
| CN113847839A (en) * | 2021-09-30 | 2021-12-28 | 中航通飞华南飞机工业有限公司 | On-machine cleaning device and method for double-stage radiator |
| CN114234708A (en) * | 2021-11-26 | 2022-03-25 | 安徽金禾实业股份有限公司 | Cleaning method of heat exchanger in wastewater treatment process by reduced pressure distillation |
-
2019
- 2019-11-04 CN CN201911065811.9A patent/CN110657703A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964491A (en) * | 2020-09-21 | 2020-11-20 | 温州职业技术学院 | Large-scale heat exchanger with automatic cleaning structure |
| CN113847839A (en) * | 2021-09-30 | 2021-12-28 | 中航通飞华南飞机工业有限公司 | On-machine cleaning device and method for double-stage radiator |
| CN114234708A (en) * | 2021-11-26 | 2022-03-25 | 安徽金禾实业股份有限公司 | Cleaning method of heat exchanger in wastewater treatment process by reduced pressure distillation |
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