CN111121529A - Circulating water side sludge cleaning device for tube still type circulating water cooler - Google Patents
Circulating water side sludge cleaning device for tube still type circulating water cooler Download PDFInfo
- Publication number
- CN111121529A CN111121529A CN201911381629.4A CN201911381629A CN111121529A CN 111121529 A CN111121529 A CN 111121529A CN 201911381629 A CN201911381629 A CN 201911381629A CN 111121529 A CN111121529 A CN 111121529A
- Authority
- CN
- China
- Prior art keywords
- circulating water
- pipeline
- cooler
- air
- valve
- 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
Links
Images
Classifications
-
- 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
Abstract
The invention discloses a circulating water side sludge cleaning device for a tube still circulating water cooler, which comprises: the circulating water cooling system comprises a circulating water inlet pipeline connected to the bottom of the tubular circulating water cooler, a circulating water inlet valve arranged on the circulating water inlet pipeline, a circulating water return pipeline connected to the top of the tubular circulating water cooler, a circulating water return valve arranged on the circulating water return pipeline, a reverse spraying pipeline connected between the circulating water inlet valve and the tubular circulating water cooler, a reverse spraying valve arranged on the reverse spraying pipeline, an air pipeline connected between the circulating water return valve and the tubular circulating water cooler, and an air valve arranged on the air pipeline. According to the invention, the water flow speed and the impact force are improved by utilizing the circulating water return pressure, the equipment position difference and the factory air flow power, and sludge on the circulating water side of the tubular circulating water cooler is removed and discharged from the pouring pipeline, so that the sludge on the circulating water side is more simply and quickly cleaned, and the tubular circulating water cooler is not damaged.
Description
Technical Field
The invention relates to the technical field of a tube array type circulating water cooler, in particular to a circulating water side sludge cleaning device for the tube array type circulating water cooler.
Background
When the shell and tube circulating water cooler is used, mud dirt carried by circulating water is easy to precipitate, accumulate and scale at the shell and tube, and the dirt is attached to the wall of the shell and tube wall, so that the heat exchange effect of the shell and tube is greatly reduced, and the cooler cannot meet the process requirement due to the reduction of the cooling effect.
In order to remove the mud and dirt on the circulating water side, people usually adopt a high-pressure water jet mechanical cleaning method or an acid cleaning method to clean the production device in annual overhaul time. The high-pressure water jet belongs to high-strength mechanical cleaning, the acid cleaning belongs to high-strength chemical cleaning and has certain damage to equipment, and particularly the heat exchange tube baffling plate made of carbon steel is extremely easy to corrode and damage in the acid cleaning process.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the circulating water side sludge cleaning device for the tubular circulating water cooler, the circulating water backwater power, the equipment height difference and the factory air flow power are utilized to improve the water flow speed and the impact force, the sludge on the circulating water side of the tubular circulating water cooler is cleaned and discharged from the water inlet pouring pipeline, so that the sludge on the circulating water side of the tubular circulating water cooler is cleaned more simply and quickly, and the tubular circulating water cooler is not damaged.
In order to achieve the purpose, the invention adopts the following technical scheme that:
circulating water side sludge cleaning device to shell and tube circulating water cooler includes: shell and tube circulating water cooler, the circulating water inlet pipe who is connected with shell and tube circulating water cooler, set up circulating water inlet valve on the circulating water inlet pipe, the circulating water return pipe who is connected with shell and tube circulating water cooler, set up the circulating water return valve on circulating water return pipe, still include: the device comprises a pouring pipeline, a pouring valve arranged on the pouring pipeline, an air pipeline and an air valve arranged on the air pipeline;
the circulating water inlet pipeline and the circulating water inlet valve on the circulating water inlet pipeline are arranged at the bottom of the tubular circulating water cooler;
the inverted spraying pipeline is connected with a circulating water inlet pipeline, and the access point is positioned between the circulating water inlet valve and the tubular circulating water cooler;
the circulating water return pipeline and the circulating water return valve on the circulating water return pipeline are arranged at the top of the tubular circulating water cooler;
the air pipeline is connected with the circulating water return pipeline, and the access point is located between the circulating water return valve and the tubular circulating water cooler.
The method for cleaning sludge on the circulating water side is as follows:
s1, closing a circulating water inlet valve and a circulating water return valve;
s2, opening the pouring valve;
s3, opening a circulating water return valve and an air valve to enable circulating water return and air to enter the circulating water side of the tube array type circulating water cooler together;
and S4, discharging the circulating water mixed with air from the pouring and spraying pipeline.
The through-flow ratio of the inverted spraying pipeline to the circulating water inlet pipeline is 1:2.
The ratio of the air pipeline to the inverted spraying pipeline is 1: 2.5.
In step S3, the volume ratio of water to gas in the shell and tube circulating water cooler is 2.5: 1.
The air introduced into the air pipeline is low-pressure factory air.
The pressure range of the air of the low-pressure factory is 0.40MPa to 0.60 MPa; the air valve (41) is a plant air valve of DN 25; the backwater pressure range of the circulating water is 0.20MPa to 0.30 MPa.
The invention has the advantages that:
(1) according to the invention, the process pipeline of the tubular circulating water cooler is improved by utilizing the existing conditions of the chemical production device, production operators and equipment maintenance personnel can utilize the shutdown clearance of the tubular circulating water cooler for a short time to carry out simple operation, and the sludge on the circulating water side can be cleaned, so that the sludge on the circulating water side can be cleaned more simply, quickly and timely, the tubular circulating water cooler cannot be damaged, the heat exchange effect of the tubular circulating water cooler is improved, and the stable production is ensured.
(2) The circulating water inlet pipeline is arranged at the bottom of the tubular circulating water cooler, the reverse-sprinkling pipeline is connected to the circulating water inlet pipeline, the access point is located between the circulating water inlet valve and the tubular circulating water cooler, circulating water inlet can be cut off by using the existing circulating water inlet valve, the reverse-sprinkling pipeline is arranged at a low point, and accumulated water and sludge on the circulating water side of the tubular circulating water cooler can be discharged conveniently by using the height difference.
(3) The circulating water presss from both sides the factory air, discharges from the pipeline that drenches with higher velocity of flow to wash away the dirt of shell and tube circulating water cooler's circulating water side, and the dirt that washes away is under the power promotion of circulating water and factory air current to and under the promotion of the poor position of drainage height, finally follow the lower pipeline that drenches of position and discharge, realize the muddy dirt clearance of shell and tube circulating water cooler's circulating water side.
Drawings
FIG. 1 is a schematic diagram of a circulating water side sludge cleaning device for a tubular circulating water cooler.
FIG. 2 is a flow chart of a method for cleaning sludge by using the sludge cleaning device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the circulating water side sludge cleaning device for the tubular circulating water cooler comprises:
the system comprises a shell and tube type circulating water cooler 5, a circulating water inlet pipeline 1, a circulating water inlet valve 11, a circulating water return pipeline 2, a circulating water return valve 21, a pouring pipeline 3, a pouring valve 31, an air pipeline 4 and an air valve 41;
the circulating water inlet pipeline 1 is connected with the tubular circulating water cooler 5, and the circulating water inlet pipeline 1 is arranged at the bottom of the tubular circulating water cooler 5;
the circulating water inlet valve 11 is arranged on the circulating water inlet pipeline 1;
the circulating water return pipeline 2 is connected with the tubular circulating water cooler 5, and the circulating water return pipeline 2 is arranged at the top of the tubular circulating water cooler 5;
the circulating water return valve 21 is arranged on the circulating water return pipeline 2;
the inverted spraying pipeline 3 is connected with the circulating water inlet pipeline 1, and an access point of the inverted spraying pipeline 3 is positioned between the circulating water inlet valve 11 and the tubular circulating water cooler 5;
the pouring valve 31 is arranged on the pouring pipeline 3;
the air pipeline 4 is connected with the circulating water return pipeline 2, and an access point of the air pipeline 4 is positioned between the circulating water return valve 21 and the tubular circulating water cooler 5;
the air valve 41 is provided on the air duct 4.
As shown in fig. 2, the method for cleaning sludge on the circulating water side based on the circulating water side sludge cleaning device is as follows:
s1, closing the circulating water inlet valve 11 and the circulating water return valve 21;
s2, opening the pouring valve 31;
s3, opening the circulating water return valve 21 and the air valve 41 to enable the circulating water return and the air to enter the circulating water side of the tubular circulating water cooler 5 together;
in step S2, the back-flow valve 31 is opened to allow a small portion of the circulating water in the tubular circulating water cooler 5 to flow away, and in step S3, when the water return valve 21 and the air valve 41 are recirculated, the volume ratio of water to air in the tubular circulating water cooler 5 needs to be 2.5: 1;
s4, the circulating water is mixed with air and discharged from the inverted showering pipeline 3, and due to the addition of the circulating water, the flow speed is high when the circulating water passes through the tube type heat exchanger, so that dirt on the circulating water side of the tube type circulating water cooler is flushed away, the flushed dirt is finally discharged from the inverted showering pipeline 3 with a lower position under the driving of circulating water and factory air flow and the driving of the difference of the drainage height, and the sludge cleaning on the circulating water side of the tube type circulating water cooler is realized.
In the invention, the air introduced into the air pipeline 4 is low-pressure factory air, and the pressure range of the low-pressure factory air is 0.40 MPa-0.60 MPa; the backwater pressure range of the circulating water is 0.20MPa to 0.30 MPa; the air valve 41 is a plant air valve of DN 25; the drift diameter ratio of the inverted shower pipeline 3 to the circulating water inlet pipeline 1 is 1: 2; the discharge water of the inverted-spraying pipeline 3 is connected with a temporary pipe to a trench; the ratio of the air pipeline 4 to the reverse spraying pipeline 3 is 1: 2.5.
According to the invention, the process pipeline of the tubular circulating water cooler is improved by utilizing the existing conditions of the chemical production device, production operators and equipment maintenance personnel can utilize the shutdown clearance of the tubular circulating water cooler for a short time to carry out simple operation, and the sludge on the circulating water side can be cleaned, so that the sludge on the circulating water side can be cleaned more simply, quickly and timely, the tubular circulating water cooler cannot be damaged, the heat exchange effect of the tubular circulating water cooler is improved, and the stable production is ensured.
The description will be given by taking a tubular circulating water cooler with a heat exchange area of 100 square meters as an example: when the high-pressure water jet mechanical cleaning is adopted, the cleaning cost per square heat exchange area is about 20 yuan, so the total cleaning cost is about 2000 yuan; and high-pressure water jet mechanical cleaning time is longer, and the shutdown clearance of shell and tube circulating water cooler short time can not satisfy the cleaning time at ordinary times, leads to shell and tube circulating water cooler not in time to wash to lead to satisfying shell and tube circulating water cooler's heat transfer effect poor, can not satisfy the normal operating needs, the productivity descends. In addition, the high-pressure water pressure during the mechanical cleaning of the high-pressure water jet is generally 25MPa, and the high-pressure impact is easy to deform and damage the tubular circulating water cooler. When the device disclosed by the invention is used for cleaning the tubular circulating water cooler, the direct economic benefit is that 2000 yuan of cleaning cost is saved, and the indirect economic benefit is that the tubular circulating water cooler is cleaned more simply, quickly and timely, the heat exchange effect of the tubular circulating water cooler is improved, the production stability is ensured, and the tubular circulating water cooler is not damaged.
The invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. Circulating water side sludge cleaning device to shell and tube circulating water cooler includes: shell and tube circulating water cooler (5), circulating water inlet pipe (1) of being connected with shell and tube circulating water cooler (5), set up circulating water intaking valve (11) on circulating water inlet pipe (1), circulating water return pipe (2) of being connected with shell and tube circulating water cooler (5), set up circulating water return valve (21) on circulating water return pipe (2), its characterized in that still includes: the device comprises a pouring pipeline (3), a pouring valve (31) arranged on the pouring pipeline (3), an air pipeline (4) and an air valve (41) arranged on the air pipeline (4);
the circulating water inlet pipeline (1) and the circulating water inlet valve (11) on the circulating water inlet pipeline are arranged at the bottom of the tubular circulating water cooler (5);
the inverted spraying pipeline (3) is connected with the circulating water inlet pipeline (1), and the access point is positioned between the circulating water inlet valve (11) and the tube array type circulating water cooler (5);
the circulating water return pipeline (2) and the circulating water return valve (21) on the circulating water return pipeline are arranged at the top of the tubular circulating water cooler (5);
air conduit (4) are connected with circulating water return pipe (2), and the access point is located between circulating water return valve (21) and shell and tube circulating water cooler (5).
2. The circulating water side sludge cleaning device for the shell and tube circulating water cooler as claimed in claim 1, wherein the circulating water side sludge cleaning method is as follows:
s1, closing the circulating water inlet valve (11) and the circulating water return valve (21);
s2, opening the pouring valve (31);
s3, opening a circulating water return valve (21) and an air valve (41) to enable the circulating water return and air to enter the circulating water side of the tubular circulating water cooler (5) together;
and S4, discharging the circulating water mixed with air from the pouring and sprinkling pipeline (3).
3. The circulating water side sludge cleaning device for the shell and tube circulating water cooler as claimed in claim 1 or 2, wherein the drift diameter ratio of the inverted spraying pipeline (3) to the circulating water inlet pipeline (1) is 1:2.
4. The circulating water side sludge cleaning device for the shell and tube circulating water cooler as claimed in claim 1 or 2, wherein the ratio of the flow rate of the air pipeline (4) to the flow-down pipeline (3) is 1: 2.5.
5. The circulating water side sludge cleaning device for the tubular circulating water cooler according to claim 2, wherein in step S3, the volume ratio of water to gas in the tubular circulating water cooler (5) is 2.5: 1.
6. The circulating water side sludge cleaning device for the shell and tube circulating water cooler as claimed in claim 1 or 2, wherein the air introduced into the air pipeline (4) is low-pressure plant air.
7. The circulating water side sludge cleaning device for the shell and tube circulating water cooler as claimed in claim 6, wherein the pressure range of the low pressure plant air is 0.4 MPa-0.6 MPa; the air valve (41) is a plant air valve of DN 25; the backwater pressure range of the circulating water is 0.20MPa to 0.30 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381629.4A CN111121529A (en) | 2019-12-27 | 2019-12-27 | Circulating water side sludge cleaning device for tube still type circulating water cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381629.4A CN111121529A (en) | 2019-12-27 | 2019-12-27 | Circulating water side sludge cleaning device for tube still type circulating water cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111121529A true CN111121529A (en) | 2020-05-08 |
Family
ID=70504910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911381629.4A Pending CN111121529A (en) | 2019-12-27 | 2019-12-27 | Circulating water side sludge cleaning device for tube still type circulating water cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111121529A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2555475A1 (en) * | 1983-11-24 | 1985-05-31 | Gallo Michel | Method for cleaning or descaling industrial coolers and condensers, and means of implementation |
| JP2009293843A (en) * | 2008-06-04 | 2009-12-17 | Chugoku Electric Power Co Inc:The | Bearing cooling-water cooling system |
| CN201926370U (en) * | 2010-12-22 | 2011-08-10 | 山东华星石油化工集团有限公司 | Circulated-water cooler with automatic back-flushing function |
| CN201964833U (en) * | 2011-03-22 | 2011-09-07 | 长岭炼化岳阳工程设计有限公司 | On-line forced back flushing device for cooler |
| CN202002548U (en) * | 2010-12-22 | 2011-10-05 | 山东华星石油化工集团有限公司 | Circulating water cooler with backwashing function |
| CN202885652U (en) * | 2012-11-26 | 2013-04-17 | 安徽皖维高新材料股份有限公司 | Cleaning system of air heat exchanger |
| CN103499233A (en) * | 2013-10-18 | 2014-01-08 | 七台河宝泰隆甲醇有限公司 | Water cooler on-line backwashing method |
| CN204574927U (en) * | 2015-04-22 | 2015-08-19 | 中国海洋石油总公司 | A kind of panel cooler with backwashing function |
| CN205156727U (en) * | 2015-12-04 | 2016-04-13 | 武汉钢铁(集团)公司 | Anti - washing unit of circulating water cooling ware foreign matter |
| CN205679121U (en) * | 2016-06-20 | 2016-11-09 | 湖北三宁化工股份有限公司 | A kind of water cooler thermal washing energy-saving descaling device |
| CN205762761U (en) * | 2016-05-19 | 2016-12-07 | 江苏徐塘发电有限责任公司 | A kind of purging system of oil cooler |
-
2019
- 2019-12-27 CN CN201911381629.4A patent/CN111121529A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2555475A1 (en) * | 1983-11-24 | 1985-05-31 | Gallo Michel | Method for cleaning or descaling industrial coolers and condensers, and means of implementation |
| JP2009293843A (en) * | 2008-06-04 | 2009-12-17 | Chugoku Electric Power Co Inc:The | Bearing cooling-water cooling system |
| CN201926370U (en) * | 2010-12-22 | 2011-08-10 | 山东华星石油化工集团有限公司 | Circulated-water cooler with automatic back-flushing function |
| CN202002548U (en) * | 2010-12-22 | 2011-10-05 | 山东华星石油化工集团有限公司 | Circulating water cooler with backwashing function |
| CN201964833U (en) * | 2011-03-22 | 2011-09-07 | 长岭炼化岳阳工程设计有限公司 | On-line forced back flushing device for cooler |
| CN202885652U (en) * | 2012-11-26 | 2013-04-17 | 安徽皖维高新材料股份有限公司 | Cleaning system of air heat exchanger |
| CN103499233A (en) * | 2013-10-18 | 2014-01-08 | 七台河宝泰隆甲醇有限公司 | Water cooler on-line backwashing method |
| CN204574927U (en) * | 2015-04-22 | 2015-08-19 | 中国海洋石油总公司 | A kind of panel cooler with backwashing function |
| CN205156727U (en) * | 2015-12-04 | 2016-04-13 | 武汉钢铁(集团)公司 | Anti - washing unit of circulating water cooling ware foreign matter |
| CN205762761U (en) * | 2016-05-19 | 2016-12-07 | 江苏徐塘发电有限责任公司 | A kind of purging system of oil cooler |
| CN205679121U (en) * | 2016-06-20 | 2016-11-09 | 湖北三宁化工股份有限公司 | A kind of water cooler thermal washing energy-saving descaling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103115521B (en) | Device and method for tube type heat exchanger on-line washing | |
| CN202630030U (en) | Intelligent multiple-effect siphoning condensed water and steam recycling machine | |
| CN111121529A (en) | Circulating water side sludge cleaning device for tube still type circulating water cooler | |
| CN215675143U (en) | Pollution discharge pressure reduction flash vessel for industrial boiler | |
| CN214120920U (en) | Heat exchanger belt cleaning device | |
| CN211178026U (en) | Environment-friendly sewage cooling tower system | |
| CN102107195A (en) | Method for cleaning float flowmeter on line and circulating cooling water system | |
| CN206001735U (en) | A kind of centrifugal refrigerating unit with backwash cleaning device | |
| CN112325696A (en) | Upper chilled water recovery device and recycling system of air cooling tower | |
| CN110986633A (en) | Vertical tube outflow latent heat evaporation type air cooler and process | |
| CN211601645U (en) | Vertical tube outflow latent heat evaporation type air cooler | |
| CN2539904Y (en) | Hot water reverse-flow device for steam boiler | |
| CN212594717U (en) | Novel flue gas dehydration device and flue gas dehydration system | |
| CN215216190U (en) | Pipeline drainage system | |
| CN219863085U (en) | Technical water supply system with sediment filtering and backwashing functions | |
| CN207760120U (en) | A kind of collection dirt equipment of high molecular nanometer technology | |
| CN216043928U (en) | Condensate recovery device and backpressure steam turbine | |
| CN219494974U (en) | Circulating water on-line cleaning device for heat exchanger | |
| CN216677607U (en) | Circulating carrier gas purification treatment system for sludge drying | |
| CN211316991U (en) | High-efficient device that utilizes of kiln flue gas | |
| CN219917197U (en) | Effusion bottle for low-pressure diffusion process | |
| CN214371775U (en) | Automatic slag removal device for cold water sealing of sintering ring | |
| CN215574159U (en) | Nuclear power station primary loop sampling system cooling water supply system | |
| CN219863072U (en) | Comprehensive technology water supply and drainage system | |
| CN218321232U (en) | Energy-concerving and environment-protective wet quenching tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |