CN213392286U - Chemical cleaning system for oil cooler - Google Patents
Chemical cleaning system for oil cooler Download PDFInfo
- Publication number
- CN213392286U CN213392286U CN202022530288.7U CN202022530288U CN213392286U CN 213392286 U CN213392286 U CN 213392286U CN 202022530288 U CN202022530288 U CN 202022530288U CN 213392286 U CN213392286 U CN 213392286U
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- pipe
- cleaning
- return pipe
- valve
- oil cooler
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Abstract
The utility model discloses an oil cooler chemical cleaning system belongs to oil cooler and detects and maintain technical field. The device comprises a cleaning box, a cleaning pump, a liquid inlet pipe, a backflow pipe A, a backflow pipe B, a liquid return pipe, a blow-off pipe A and a blow-off pipe, wherein one side of the cleaning box is connected with one end of the cleaning pump through a pipeline; the other side of the cleaning box is connected with one end of a return pipe A, the other end of the return pipe A is connected with a liquid inlet pipe, and the tail end of the cleaning box is connected with a sewage discharge pipe A; the other end of the cleaning pump is also connected with the end of the liquid inlet pipe through a pipeline, and the other end of the liquid inlet pipe is connected with an oil inlet of the oil cooler; the middle of the liquid inlet pipe is connected with a sewage discharge pipe B, the oil outlet of the oil cooler is connected with one end of a liquid return pipe, the other end of the liquid return pipe is connected with a cleaning box, the middle of a pipeline connecting the cleaning box and a cleaning pump is connected with one end of a return pipe B, and the other end of the return pipe B is connected with the liquid return pipe. The utility model discloses incrustation scale on can effectual washing oil cooler tubulation has prolonged the life of equipment.
Description
Technical Field
The utility model relates to an oil cooler chemical cleaning system belongs to oil cooler and detects and maintain technical field.
Background
The oil cooler is affected by water quality in the operation process, the tube pass is seriously scaled, so that the heat exchange efficiency of equipment is affected, if scale is to be cleaned, chemical cleaning is needed, and the chemical cleaning is the reaction of water washing and medicament, so that the scale can be thoroughly removed, the heat efficiency is improved, and the reliable and safe operation of a system is ensured; the service life of the equipment is prolonged, the components for scaling the equipment mainly comprise silicate and carbonate scales which are continuously deposited, so that the heat exchange rate is reduced, the normal operation of the steam turbine is influenced, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a chemical cleaning system of an oil cooler, the system is applicable to the cleaning of the oil cooler, can effectually wash the incrustation scale on the oil cooler tubulation, prolongs the service life of equipment, and reduces economic cost.
The utility model provides a technical scheme that its technical problem adopted is: a chemical cleaning system for an oil cooler comprises a cleaning box, a cleaning pump, a liquid inlet pipe, a return pipe A, a return pipe B, a liquid return pipe, a drain pipe A and a drain pipe.
One side of the cleaning box is connected with one end of the cleaning pump through a pipeline, and a valve B is arranged on the pipeline; the other side of the cleaning box is connected with one end of a return pipe A, the other end of the return pipe A is connected with a liquid inlet pipe, and a valve D is arranged on the return pipe A; meanwhile, the tail end of the cleaning box is connected with a drain pipe A, and a valve A is arranged on the drain pipe A; the other end of the cleaning pump is also connected with the end of the liquid inlet pipe through a pipeline, and a valve H is arranged on the pipeline; the other end of the liquid inlet pipe is connected with an oil inlet of an oil cooler, and a valve G is arranged at the oil inlet of the oil cooler; the middle of the liquid inlet pipe is connected with a sewage discharge pipe B, and a valve F is arranged on the sewage discharge pipe B; the oil outlet of the oil cooler is connected with one end of a liquid return pipe, the other end of the liquid return pipe is connected with the cleaning box, and a valve E is arranged on the liquid return pipe; the middle of the pipeline connecting the cleaning box and the cleaning pump is connected with one end of a return pipe B, the other end of the return pipe B is connected with a liquid return pipe, and a valve C is arranged on the return pipe B. The top of the cleaning box is provided with a medicine feeding port, and a multi-medium filter is arranged inside the cleaning box; all valves are plastic ball valves.
The cleaning of the oil cooler adopts circulating cleaning, the circulating cleaning is realized by using a cleaning pump as external power and circulating cleaning liquid in a cleaning system to enable the cleaning liquid to chemically react with dirt on the inner surfaces of equipment and pipelines, and before chemical cleaning, the blocked pipe of the oil cooler needs to be physically dredged, so that chemical cleaning agents in the next step can enter the pipe to achieve the purpose of cleaning the system. The prepared pickling solution is (5% -8%) sulfamic acid + (0.3% -0.5% reducing agent) + (0.3% -0.4%) corrosion inhibitor +0.3% cleaning aid; during cleaning, opening the valve B, the valve E, the valve G and the valve H, opening the valve D or the valve C according to the flow condition, closing the other valves, and opening the valve C or the valve D if the pressure is too high, wherein the backflow pipe A or the backflow pipe B is used for adjusting the pressure, so that the blocking collision is prevented, and a cleaning pump is protected; the prepared pickling solution is added from a dosing port of the cleaning box, flows through the valve B, is sucked and discharged by high-pressure reciprocating motion in the cleaning pump, enters the liquid inlet pipe through the valve H, flows through the valve G, enters the row pipe in the oil cooler, is fully contacted with scale in the pipe pass to perform chemical reaction, and achieves the purpose of descaling.
After pickling, continuously flushing and discharging pickling solution by using clear water, discharging acid liquor in the system to a waste liquor treatment device or a neutralization tank, flushing the acid liquor by adopting variable-flow water after the acid liquor is discharged until the pH value of the pickling solution is more than or equal to 5. After the pickling solution was drained, the resultant was washed with demineralized water to remove the residual pickling solution and the solid particles washed off, and the washing was completed when the PH was almost neutral (PH = 6-9). When the cleaning is finished, the waste liquid from the oil cooler after cleaning is directly sucked out by the cleaning pump, passes through the valve F and directly enters the sewage tank or the sewage treatment tank from the sewage discharge pipe B.
A multi-medium filter is arranged in the cleaning box, solid residues are generated during cleaning, and the multi-medium filter is used for filtering the solid residues to ensure the cleaning effect; the plastic ball valve is suitable for the condition containing corrosive substances, and has the advantages of strong corrosion resistance, high strength and long service life.
The utility model has the advantages that: the utility model has the advantages of simple structure and reasonable design, safe practical, incrustation scale on can effectual washing oil cooler tubulation has improved heat exchange efficiency, makes the heat transfer effect show and improves, has prolonged the life of equipment, has reduced economic cost, has saved the expense of overhauing and maintaining, has improved the security of equipment operation.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a cleaning flow chart of the present invention.
Reference numbers in the figures:
1. the cleaning box comprises a cleaning box 101, a dosing port 102, a multi-medium filter 2, a cleaning pump 3, a liquid inlet pipe 4, a return pipe A, 5, a return pipe B, 6, a liquid return pipe 7, a sewage discharge pipe A, 8, a sewage discharge pipe B, 9, an oil cooler 10, a valve A, 11, a valve B, 12, a valve C, 13, a valve D, 14, a valve E, 15, a valve F, 16, a valve G, 17 and a valve H.
Detailed Description
As shown in fig. 1, a chemical cleaning system for an oil cooler comprises a cleaning tank 1, a cleaning pump 2, a liquid inlet pipe 3, a return pipe a4, a return pipe B5, a liquid return pipe 6, a sewage discharge pipe a7 and a sewage discharge pipe B8, wherein one side of the cleaning tank 1 is connected with one end of the cleaning pump 2 through a pipeline, and a valve B11 is arranged on the pipeline; the other side of the cleaning box 1 is connected with one end of a return pipe A4, the other end of the return pipe A4 is connected with the liquid inlet pipe 3, and a valve D13 is arranged on the return pipe A4; meanwhile, the tail end of the cleaning box 1 is connected with a sewage discharge pipe A7, and a valve A10 is arranged on the sewage discharge pipe A7; the other end of the cleaning pump 2 is also connected with the end of the liquid inlet pipe 3 through a pipeline, and a valve H17 is arranged on the pipeline; the other end of the liquid inlet pipe 3 is connected with an oil inlet of an oil cooler 9, and a valve G16 is arranged at the oil inlet of the oil cooler 9; the middle of the liquid inlet pipe 3 is connected with a sewage discharge pipe B8, and a valve F15 is arranged on the sewage discharge pipe B8; the oil outlet of the oil cooler 9 is connected with one end of a liquid return pipe 6, the other end of the liquid return pipe 6 is connected with the cleaning box 1, and a valve E14 is arranged on the liquid return pipe 6; the middle of the pipeline connecting the cleaning tank 1 and the cleaning pump 2 is connected with one end of a return pipe B5, the other end is connected with a return pipe 6, and a valve C12 is arranged on the return pipe B5. The top of the cleaning box 1 is provided with a chemical feeding port 101, and a multi-medium filter 102 is arranged inside the cleaning box; all valves are plastic ball valves.
The oil cooler 9 is cleaned in a circulating manner by using the cleaning pump 2 as external power and circulating the cleaning liquid in the cleaning system, so that the cleaning liquid can chemically react with dirt on the inner surfaces of equipment and pipelines, and before chemical cleaning, the blocked pipe of the oil cooler 9 needs to be physically dredged, and the purpose is to enable chemical cleaning agents in the next step to enter the pipe array so as to achieve the purpose of cleaning the system. The prepared pickling solution is (5% -8%) sulfamic acid + (0.3% -0.5% reducing agent) + (0.3% -0.4%) corrosion inhibitor +0.3% cleaning aid; during cleaning, the valve B11, the valve E14, the valve G12 and the valve H17 are opened, the valve D13 or the valve C12 is opened according to the flow condition, other valves are closed, if the pressure is too high, the valve C12 or the valve D13 is opened, the return pipe A4 or the return pipe B5 is used for adjusting the pressure, the pressure is prevented from being held back, and the cleaning pump 2 is protected; the prepared pickling solution is added from a dosing port 101 of the cleaning box 1, flows through a valve B11, is sucked and discharged by high-pressure reciprocating motion in the cleaning pump 2, flows through a valve H17, then enters a liquid inlet pipe 3, flows through a valve G16, enters a tube nest in the oil cooler 9, fully contacts with scale in a tube pass of the oil cooler to perform chemical reaction so as to achieve the purpose of descaling, and is discharged from an oil outlet of the oil cooler 9, enters a liquid return pipe A6, flows through a valve E14, enters the cleaning box 1, flows into a drain pipe A7 from the cleaning box 1, and is discharged through a valve A10.
After pickling, continuously flushing and discharging pickling solution by using clear water, discharging acid liquor in the system to a waste liquor treatment device or a neutralization tank, flushing the acid liquor by adopting variable-flow water after the acid liquor is discharged until the pH value of the pickling solution is more than or equal to 5. After the pickling solution was drained, the resultant was washed with demineralized water to remove the residual pickling solution and the solid particles washed off, and the washing was completed when the PH was almost neutral (PH = 6-9). When the cleaning is finished, the waste liquid from the oil cooler 9 after cleaning is directly sucked out by the cleaning pump 2, passes through the valve F15 and directly enters the sewage tank or the sewage treatment tank from the sewage discharge pipe B8.
The cleaning box 1 is internally provided with a multi-media filter 102, solid residues are generated during cleaning, and the multi-media filter is used for filtering the solid residues to ensure the cleaning effect; the plastic ball valve is suitable for the condition containing corrosive substances, and has the advantages of strong corrosion resistance, high strength and long service life.
Claims (3)
1. A chemical cleaning system for an oil cooler comprises a cleaning box (1), a cleaning pump (2), a liquid inlet pipe (3), a return pipe A (4), a return pipe B (5), a liquid return pipe (6), a blow-off pipe A (7) and a blow-off pipe B (8), wherein one side of the cleaning box (1) is connected with one end of the cleaning pump (2) through a pipeline, and a valve B (11) is arranged on the pipeline; the other side of the cleaning box (1) is connected with one end of a return pipe A (4), the other end of the return pipe A (4) is connected with a liquid inlet pipe (3), and a valve D (13) is arranged on the return pipe A (4); meanwhile, the tail end of the cleaning box (1) is connected with a sewage discharge pipe A (7), and a valve A (10) is arranged on the sewage discharge pipe A (7); the other end of the cleaning pump (2) is also connected with the end of the liquid inlet pipe (3) through a pipeline, and a valve H (17) is arranged on the pipeline; the other end of the liquid inlet pipe (3) is connected with an oil inlet of an oil cooler (9), and a valve G (16) is arranged at the oil inlet of the oil cooler (9); the middle of the liquid inlet pipe (3) is connected with a sewage discharge pipe B (8), and a valve F (15) is arranged on the sewage discharge pipe B (8); the oil outlet of the oil cooler (9) is connected with one end of a liquid return pipe (6), the other end of the liquid return pipe (6) is connected with the cleaning box (1), and a valve E (14) is arranged on the liquid return pipe (6); the middle of the pipeline connecting the cleaning box (1) and the cleaning pump (2) is connected with one end of a return pipe B (5), the other end of the return pipe B is connected with a liquid return pipe (6), and a valve C (12) is arranged on the return pipe B (5).
2. The chemical cleaning system for the oil cooler as claimed in claim 1, wherein: the top of the cleaning box (1) is provided with a medicine feeding port (101), and a multi-medium filter (102) is arranged inside the cleaning box.
3. The chemical cleaning system for the oil cooler as claimed in claim 1, wherein: all valves are plastic ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022530288.7U CN213392286U (en) | 2020-11-05 | 2020-11-05 | Chemical cleaning system for oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022530288.7U CN213392286U (en) | 2020-11-05 | 2020-11-05 | Chemical cleaning system for oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213392286U true CN213392286U (en) | 2021-06-08 |
Family
ID=76192759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022530288.7U Expired - Fee Related CN213392286U (en) | 2020-11-05 | 2020-11-05 | Chemical cleaning system for oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213392286U (en) |
-
2020
- 2020-11-05 CN CN202022530288.7U patent/CN213392286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 Termination date: 20211105 |