CN111659659A - Purging system and method - Google Patents
Purging system and method Download PDFInfo
- Publication number
- CN111659659A CN111659659A CN202010410207.1A CN202010410207A CN111659659A CN 111659659 A CN111659659 A CN 111659659A CN 202010410207 A CN202010410207 A CN 202010410207A CN 111659659 A CN111659659 A CN 111659659A
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- Prior art keywords
- steam
- water
- purging
- pipeline
- valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/005—Pipe-line systems for a two-phase gas-liquid flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/06—Pipe-line systems for gases or vapours for steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/007—Heating the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2230/00—Other cleaning aspects applicable to all B08B range
- B08B2230/01—Cleaning with steam
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning In General (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a purging system and a purging method. The purging system can adopt steam or fresh water for purging independently, and can also carry out hot water purging and cleaning by using hot water mixed by the steam and the fresh water at a certain temperature, wherein the temperature of the hot water is controlled by adjusting the amount of the steam. The steam system can realize independent purging of steam and water and hot water purging, the three purging modes are freely switched, the steam system is provided with the steam switch regulating valve, the hot water temperature of the joint system can be regulated by regulating the opening of the steam switch regulating valve to control the steam quantity, the structure is simple, the operation is convenient, and the superiority is obvious for devices without laying a hot water system.
Description
Technical Field
The invention relates to the technical field of petrochemical device public engineering, in particular to a purging system and a purging method.
Background
The public engineering purging system is an indispensable component of a petrochemical device, is set for actual needs of purging, cleaning, maintenance, replacement and the like in the device, and is also a necessary facility for safe operation of the process and guarantee of the product quality and the yield. The medium used in the utility purge system typically includes steam, fresh water, compressed air and nitrogen, and different types of media have different uses and may be set according to the process characteristics and requirements of the plant.
Patent CN 205859607U has disclosed a novel public engineering hose station, including the pipeline that four kinds of materials were carried, be nitrogen gas pipeline, mill's air conduit, steam conduit and industrial water pipeline in proper order from left to right, 4 group's pipeline is fixed to a whole, 4 terminal installation directions of pipeline are perpendicular downwards or slant downwards, through the outside hose of hose coupling connection of tip installation when using, and steam conduit still is connected with outside steam drain line. The structure is simple, the operation is convenient, but for the sweeping of oil pollution equipment such as heavy oil, residual oil, asphalt and the like, pipelines, the ground and the like, the oil pollution needs to be firstly blown and melted by steam, then the oil pollution is blown and cleaned by industrial water, the melted oil pollution is condensed again under the cooling effect of the industrial water when the industrial water is blown and swept, and the blowing and cleaning effects are seriously influenced.
Patent CN 109099245A discloses a hose station system, which includes a first pipe, on which a first hose connector for connecting with a hose is arranged; one end of each second pipeline is communicated with the main pipe, and the other end of each second pipeline is connected with the first pipeline; the first valves correspond to the second pipelines, each first valve is arranged on the corresponding second pipeline, and the first valves are used for controlling the connection and disconnection of the corresponding second pipeline and the corresponding first pipeline; the first pipeline is provided with a first valve, and the first valve is positioned between the first hose connector and the first hose connector; one end of the first pipeline is provided with a third valve, the other end of the first pipeline is provided with a first hose connector, and each second pipeline is connected to the side wall of the first pipeline. When the structure is used for purging, only steam and water can be separately purged, when heavy oil equipment, pipelines and the ground which need to be purged and cleaned by hot water are required, hot water needs to be introduced from a hot water pipeline, and for a device without a hot water main pipe in the device, the hot water main pipe needs to be laid firstly and then each branch pipe is introduced, so that the cost and the energy consumption are increased.
Disclosure of Invention
The invention provides a purging system and a purging method, aiming at solving the defect that the oil stain purging and cleaning effects are seriously affected because the prior art can only adopt steam and water for purging independently and can not use hot water for purging.
The purging system provided by the invention comprises a steam system, a water system, a mixing system and a joint system. The steam system consists of a steam inlet valve, a steam switch valve and a steam pipeline; the water system consists of a water inlet valve, a water three-way conversion valve and a water pipeline; the mixing system consists of a steam switch regulating valve, a steam ejector, a static mixer and a mixing pipeline; the joint system consists of a temperature sensor, a quick joint and a purging pipeline. The steam system, the water system and the mixing system are all connected with the joint system, and the communication state of the joint system is controlled through the opening and closing conditions of valves on the steam system, the water system and the mixing system. The steam switch regulating valve has certain flow regulating capacity, an online thermometer is arranged at the outlet of the purging pipe for detecting the temperature of the purging medium,
the hot water temperature of the joint system is adjusted by controlling the steam amount by adjusting the opening of the valve.
The purging method provided by the invention comprises the following steps:
(1) and closing a water inlet valve in the water system and a steam switch regulating valve in the mixing system, and opening a steam inlet valve and a steam switch valve in the steam system to communicate the steam system with the joint system, so that the steam purging function is realized.
(2) And closing the steam inlet valve, regulating the water three-way conversion valve to be in a state of being separated from a steam ejector in the mixing system, and opening the water inlet valve in the water system to communicate the water system with the joint system, so that the water purging and cleaning functions are realized.
(3) Closing a steam switch valve in a steam system, opening a steam switch regulating valve in a mixing system, regulating a water three-way switching valve in the water system to be communicated with a steam ejector in the mixing system, opening a steam inlet valve in the steam system and a water inlet valve in the water system, leading steam to enter the steam ejector in the mixing system along a steam pipeline and water along a water pipeline respectively, mixing the steam and the water in the steam ejector for the first time to form a steam-water mixture, leading the steam-water mixture formed by mixing the steam and the water for the first time to enter a static mixer along a pipeline, further mixing the steam in the static mixer to form hot water, leading the formed hot water to be sent to an external blowing hose along the mixing pipeline, a blowing pipeline and a quick connector in the connector system, detecting the temperature of the hot water by an online thermometer, and regulating the steam quantity by regulating the opening degree of the steam switch regulating valve in the mixing system, the requirement of hot water purging on site is met.
The purging system and the purging method can adopt steam and water to purge independently, simultaneously can mix the steam and the water in a mixing system to form hot water to meet the requirement of hot water purging of the device, can adjust the temperature of the hot water by adjusting the steam quantity, not only improves the purging effect of the device, but also does not need to add a hot water pipeline, and has obvious superiority to the device without laying a hot water system.
The invention has the following beneficial effects:
(1) the purging system and the purging method provided by the invention can realize independent purging of steam and water, and can also realize hot water purging, and the three purging modes can be freely switched.
(2) An online thermometer is arranged at the outlet of the purging pipe, the steam switch regulating valve has certain flow regulating capacity, and the hot water temperature of the joint system can be regulated by regulating the opening degree of the valve to control the steam amount.
(3) The purging system is simple in structure and convenient to operate, the purging effect of the device is improved, a hot water pipeline does not need to be newly added, and the superiority of the device without the hot water system is obvious.
Drawings
FIG. 1 is a schematic view of a purge system of the present invention.
In the figure: 1-steam system, 2-water system, 3-mixing system, 4-joint system, 1-1-steam inlet valve, 1-2-steam pipeline, 1-3-steam switch valve, 1-4-steam pipeline, 2-1-water inlet valve, 2-2-water pipeline, 2-3-water three-way change-over valve, 2-4-water pipeline, 3-1 steam switch regulating valve, 3-2-steam ejector, 3-3-static mixer, 3-4-mixing pipeline, 4-1-on-line thermometer, 4-2-purging pipeline, 4-3-quick joint, 5-steam and 6-water.
Detailed Description
The invention is described in further detail with reference to fig. 1, which shows a non-limiting embodiment of the invention.
When the device needs steam purging, a water inlet valve 2-1 in a water system 2 and a steam switch regulating valve 3-1 in a mixing system 3 are closed, a steam inlet valve 1-1 and a steam switch valve 1-3 in a steam system 1 are opened, and the steam system 1 is communicated with a joint system 4 through a steam pipeline 1-4, so that the steam purging function is realized.
When the device needs water purging and cleaning, the steam inlet valve 1-1 in the steam system 1 is closed, the water three-way conversion valve 2-3 is adjusted to be in a state of being isolated from the steam ejector 3-2 in the mixing system 3, and at the moment, the water system 2 is communicated with the joint system 4 through the water pipeline 2-4, so that the water purging and cleaning functions are realized.
When the device needs hot water purging and cleaning, a steam switch valve 1-3 in a steam system 1 is closed, a steam switch regulating valve 3-1 in a mixing system 3 is opened, a water three-way switching valve 2-3 in a water system 2 is regulated to be communicated with a steam ejector 3-2 in the mixing system 3, a steam inlet valve 1-1 in the steam system 1 and a water inlet valve 2-1 in the water system 2 are opened, at the moment, steam enters a steam ejector 3-2 in the mixing system 3 along a steam pipeline 1-2 and water enters a steam ejector 3-2 in the mixing system 3 along a water pipeline 2-2 respectively, the steam and the water are mixed for the first time in the steam ejector 3-2 to form a water-vapor mixture, the water-vapor mixture formed by the first time of mixing enters a static mixer 3-3 along a pipeline, the water-vapor in the static mixer 3-3 is further mixed to form hot, the formed hot water is sent to an external purging hose along a mixing pipeline 3-4, a purging pipeline 4-2 and a quick connector 4-3 in a connector system 4, the temperature of the hot water can be adjusted by adjusting the opening degree of a steam switch adjusting valve 3-1 in the mixing system 3 to control the steam quantity, and the temperature of the hot water is detected by an online thermometer 4-1, so that the requirements of purging and cleaning the hot water on site are met.
Claims (5)
1. A purge system, characterized by: the system mainly comprises a steam system, a water system, a mixing system and a joint system; the steam system consists of a steam inlet valve, a steam pipeline and a steam switch valve; the water system consists of a water inlet valve, a water pipeline and a water three-way conversion valve; the mixing system consists of a steam switch regulating valve, a steam ejector, a static mixer and a mixing pipeline; the joint system consists of a purging pipeline, an online thermometer and a purging joint; the steam system, the water system and the mixing system are all connected with the joint system, and the communication state of the joint system is controlled through the opening and closing conditions of valves on the steam system, the water system and the mixing system.
2. The purge system of claim 1, wherein: an online thermometer is arranged at the outlet of the purging pipe, and the temperature of the hot water at the outlet of the joint system is adjusted by controlling the steam quantity through the opening degree of a steam switch adjusting valve.
3. A purging method using the purging system of claim 1, wherein: and closing a water inlet valve in the water system and a steam switch regulating valve in the mixing system, and opening a steam inlet valve and a steam switch valve in the steam system to communicate the steam system with the joint system and send the steam system to an external purging hose through a quick joint.
4. A purging method using the purging system of claim 1, wherein: and closing the steam inlet valve, regulating the water three-way conversion valve to be in a state of being separated from a steam ejector in the mixing system, opening the water inlet valve in the water system to enable the water system to be communicated with the joint system, and sending the water to an external purging hose through a quick joint.
5. A purging method using the purging system of claim 1, wherein: the steam switch valve in the steam system is closed, the steam switch regulating valve in the mixing system is opened, simultaneously, the water three-way conversion valve in the water system is regulated to be communicated with a steam ejector in the mixing system, a steam inlet valve in the steam system and a water inlet valve in the water system are opened, steam at the moment will follow a steam pipeline, water respectively enters the steam ejector in the mixing system along a water pipeline, steam and water are firstly mixed in the steam ejector to form a steam-water mixture, the steam-water mixture formed by the first mixing enters a static mixer along the pipeline, the steam is further mixed in the static mixer to form hot water, and the formed hot water is sent to an external blowing hose along the mixing pipeline, a blowing pipeline and a quick connector in the connector system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010410207.1A CN111659659A (en) | 2020-05-15 | 2020-05-15 | Purging system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010410207.1A CN111659659A (en) | 2020-05-15 | 2020-05-15 | Purging system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111659659A true CN111659659A (en) | 2020-09-15 |
Family
ID=72383657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010410207.1A Pending CN111659659A (en) | 2020-05-15 | 2020-05-15 | Purging system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111659659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588735A (en) * | 2020-11-27 | 2021-04-02 | 山东中烟工业有限责任公司 | Online cleaning device and cleaning method for nozzle of charging machine |
| CN114046450A (en) * | 2021-10-28 | 2022-02-15 | 山东宏旭化学股份有限公司 | Two-in-one system and method for purging and replacing hydrocyanic acid pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2011100470A4 (en) * | 2011-04-27 | 2011-05-26 | Gum Removal Vehicles (Australia) Pty Ltd | Cleaning vehicle |
| CN102272521A (en) * | 2008-12-03 | 2011-12-07 | 控制工程学公司 | Chemical cleaning method and system with steam injection |
| CN103658121A (en) * | 2013-11-28 | 2014-03-26 | 浙江东华纤维制造有限公司 | Device and method for cleaning pipelines for cationic polyester melts |
| CN104690046A (en) * | 2013-12-04 | 2015-06-10 | 天津渤化中河化工有限公司 | Pipeline blowing system |
| CN205109421U (en) * | 2015-11-05 | 2016-03-30 | 广东溢达纺织有限公司 | What possess self - cleaning function changes material system |
| CN110508570A (en) * | 2019-09-04 | 2019-11-29 | 昆山三一环保科技有限公司 | A kind of flushing pipeline and developing technique for industrial pipeline cleaning |
| CN211854965U (en) * | 2019-11-30 | 2020-11-03 | 张家港市华昌新材料科技有限公司 | Heating device of hot water tank |
-
2020
- 2020-05-15 CN CN202010410207.1A patent/CN111659659A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102272521A (en) * | 2008-12-03 | 2011-12-07 | 控制工程学公司 | Chemical cleaning method and system with steam injection |
| AU2011100470A4 (en) * | 2011-04-27 | 2011-05-26 | Gum Removal Vehicles (Australia) Pty Ltd | Cleaning vehicle |
| CN103658121A (en) * | 2013-11-28 | 2014-03-26 | 浙江东华纤维制造有限公司 | Device and method for cleaning pipelines for cationic polyester melts |
| CN104690046A (en) * | 2013-12-04 | 2015-06-10 | 天津渤化中河化工有限公司 | Pipeline blowing system |
| CN205109421U (en) * | 2015-11-05 | 2016-03-30 | 广东溢达纺织有限公司 | What possess self - cleaning function changes material system |
| CN110508570A (en) * | 2019-09-04 | 2019-11-29 | 昆山三一环保科技有限公司 | A kind of flushing pipeline and developing technique for industrial pipeline cleaning |
| CN211854965U (en) * | 2019-11-30 | 2020-11-03 | 张家港市华昌新材料科技有限公司 | Heating device of hot water tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588735A (en) * | 2020-11-27 | 2021-04-02 | 山东中烟工业有限责任公司 | Online cleaning device and cleaning method for nozzle of charging machine |
| CN114046450A (en) * | 2021-10-28 | 2022-02-15 | 山东宏旭化学股份有限公司 | Two-in-one system and method for purging and replacing hydrocyanic acid pipeline |
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Application publication date: 20200915 |