CN109268611B - Wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing device and method - Google Patents
Wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing device and method Download PDFInfo
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- CN109268611B CN109268611B CN201810950079.2A CN201810950079A CN109268611B CN 109268611 B CN109268611 B CN 109268611B CN 201810950079 A CN201810950079 A CN 201810950079A CN 109268611 B CN109268611 B CN 109268611B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/32—Heating of pipes or pipe systems using hot fluids
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Abstract
The invention discloses an outdoor comprehensive pipe support pipeline anti-freezing device and method for wet desulphurization, wherein the device comprises a comprehensive pipe support connected between a wall body and a steel upright post, and pipelines are laid on the comprehensive pipe support side by side; the steel upright posts are arranged along the pipeline laying direction and are spaced from the pipeline, and the steel upright posts are communicated with the pipeline at intervals to form an overhaul channel; connecting the steel upright columns, the upper ends of the steel upright columns and the upper end of the wall body, and the wall body below the comprehensive pipe frame and the steel upright columns by using color steel plates to form a sealed space; the heating pipeline is laid on the wall body in the sealed space, and the lighting and ventilation facilities are arranged in the sealed space. The invention has the beneficial effects that: through sealing the outdoor comprehensive pipe support of desulfurization with steel construction, various steel sheet, let in the heating installation in the confined space again after sealed, prevent outdoor pipeline through the mode of heating and freeze, add illumination and ventilation facility in the confined space, add the easy pipeline maintenance of maintenance passageway.
Description
Technical Field
The invention relates to the technical field of wet desulphurization, in particular to a device and a method for preventing a pipeline of an outdoor comprehensive pipe frame of wet desulphurization from being frozen.
Background
The wet desulphurization has the characteristics of high energy consumption, large occupied area, complex system, huge equipment, many outdoor pipelines and the like. Winter outdoor temperature is low in northern China, winter protection and freeze prevention measures must be taken for outdoor pipelines, otherwise the pipelines will freeze to influence the safe and stable operation of the system. Electric tracing band is laid on outdoor pipeline, then aluminium silicate heat-insulating material is used to wrap the pipeline and electric tracing band to prevent heat loss, finally aluminium heat-insulating plate is used to protect heat-insulating material to prevent damage of heat-insulating material due to wind and rain. The following problems may exist with this approach:
1. the safety and stability are low, the electric tracing band is easy to age and crisp, the service life is generally 3 to 5 years, and the pipeline can be frozen after the electric tracing band is damaged, so that the safe and stable operation of the system is influenced.
2. The production cost is high, the power of electric tracing of the outdoor pipeline of the desulfurization is about 300KW, the power consumption of one day is 7200 degrees, the heating period in the north is 6 months, the electric charge is 0.25 yuan/degree, and the electric charge of the electric tracing is about one year: 32.4 ten thousand yuan. The service life of electric tracing is generally 3 to 5 years, the electric tracing and heat preservation are replaced in a desulfurization area, and the average annual cost is about 10 ten thousand yuan.
3. The maintenance amount is large, outdoor comprehensive pipe frame pipelines are generally dozens of meters long, the heat preservation and heat preservation outer guard plates on the whole pipeline are required to be completely removed after electric tracing is damaged, the outdoor electric tracing replacement efficiency is low in winter weather, the replacement time is long, and when the pipelines are seriously frozen, the unit is not stopped or the environmental protection exceeds the standard.
4. The defects are not easy to be found, outdoor comprehensive pipe frame pipelines are all suspended, and whether the electric tracing is normal or not cannot be found in time.
5. The maintenance is inconvenient, the safety risk is high, the outdoor comprehensive pipe frame pipelines are all suspended, a scaffold needs to be set up for each maintenance, and each maintenance operation belongs to high-altitude operation; the comprehensive pipe frame is not provided with a maintenance operation platform, the pipeline is long, and safety accidents easily occur when maintenance personnel replace the pipeline.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a wet desulphurization outdoor integrated pipe rack pipeline anti-freezing device and method, wherein the device comprises:
the comprehensive pipe frame is provided with a plurality of layers, adjacent layers are connected through support rods positioned at two ends, one end of each layer is fixedly arranged on a wall body, and the other end of the lowest layer is fixed on a steel upright post;
a pipeline laid on the integrated pipe frame, a plurality of the pipelines being laid side by side on the integrated pipe frame;
the steel upright columns are arranged along the pipeline laying direction, and are spaced from the pipeline, and the steel upright columns are communicated with the pipeline at intervals to form an overhaul channel; the plurality of steel stand columns are connected through color steel plates to form side wall surfaces, the upper ends of the plurality of steel stand columns and the upper end of the wall body are connected through color steel plates to form an upper wall surface, the wall body below the comprehensive pipe frame and the plurality of steel stand columns are connected through color steel plates to form a lower wall surface, and the upper wall surface, the side wall surfaces and the lower wall surface form a sealed space;
and the heating pipeline is arranged on the wall body along the pipeline laying direction and is positioned in the sealed space.
As a further development of the invention, lighting and ventilation means are arranged inside the sealed space.
As a further improvement of the invention, the upper wall surface is obliquely arranged, and one side connected with the steel upright post is lower than one side connected with the wall body.
As a further improvement of the invention, a temperature sensor is arranged in the sealed space.
The invention also provides a wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing method, which comprises the following steps:
arranging a plurality of steel upright columns along the laying direction of the pipeline, wherein an interval is formed between each steel upright column and the pipeline, and the steel upright columns are communicated with the pipeline at intervals to form an overhaul channel;
the steel upright columns are connected through color steel plates to form side wall surfaces, the upper ends of the steel upright columns and the upper end of the wall body are connected through color steel plates to form an upper wall surface, the wall body below the comprehensive pipe frame and the steel upright columns are connected through color steel plates to form a lower wall surface, and the upper wall surface, the side wall surfaces and the lower wall surface form a sealed space;
installing a heating pipeline on a wall body along the pipeline laying direction, and enabling the heating pipeline to be located in the sealed space;
and lighting and ventilation facilities are provided inside the sealed space.
The invention has the beneficial effects that: through sealing the outdoor comprehensive pipe support of desulfurization with steel construction, various steel sheet, let in the heating installation in the confined space again after sealed, prevent outdoor pipeline through the mode of heating and freeze, add illumination and ventilation facility in the confined space, add the easy pipeline maintenance of maintenance passageway.
Drawings
FIG. 1 is a schematic structural diagram of a wet desulfurization outdoor integrated pipe rack pipe antifreeze apparatus after sealing according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an unsealed wet desulphurization outdoor integrated pipe frame pipeline.
In the figure, the position of the upper end of the main shaft,
1. a wall body; 2. a comprehensive pipe frame; 3. a pipeline; 4. overhauling the channel; 5. a steel upright post; 6. a side wall surface; 7. an upper wall surface; 8. a lower wall surface; 9. a heating pipeline.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Embodiment 1, as shown in fig. 1, an outdoor integrated pipe rack antifreeze apparatus for wet desulphurization according to an embodiment of the present invention includes: the comprehensive pipe frame 2 is provided with a plurality of layers, adjacent layers are connected through support rods positioned at two ends, one end of each layer is fixedly arranged on the wall body 1, and the other end of the lowest layer is fixed on the steel upright post 5;
a pipeline 3 laid on the comprehensive pipe frame 2, a plurality of pipelines 3 being laid side by side on the comprehensive pipe frame 2;
the steel upright columns 5 are arranged along the laying direction of the pipeline 3 and are spaced from the pipeline 3, and the steel upright columns 5 are communicated with the pipeline 3 at intervals to form an overhaul channel 4; the plurality of steel upright columns 5 are connected through color steel plates to form side wall surfaces 6, the upper ends of the plurality of steel upright columns 5 and the upper end of the wall body 1 are connected through color steel plates to form an upper wall surface 7, the wall body 1 below the comprehensive pipe frame 2 and the plurality of steel upright columns 5 are connected through color steel plates to form a lower wall surface 8, and the upper wall surface 6, the side wall surfaces 7 and the lower wall surface 8 form a sealed space;
and a heating pipeline 9 which is arranged on the wall body 1 along the laying direction of the pipeline 3 and is positioned in the sealed space.
The heat-insulating sealing channel is additionally arranged around the outdoor pipeline, the traditional electric tracing anti-freezing mode is cancelled, and a heating mode is adopted, so that the pipeline is protected, the material and energy consumption is reduced, and the safety and stability of the system are improved.
Furthermore, lighting and ventilation facilities are arranged in the sealed space, so that the work of maintenance personnel is facilitated.
Furthermore, the upper wall surface 6 is obliquely arranged, and the side connected with the steel upright post 5 is lower than the side connected with the wall body 1. The facility is located outdoors, the upper wall surface 6 is obliquely arranged, on one hand, the facility is favorable for rainwater drainage, and on the other hand, the facility can save space and materials.
Further, set up a plurality of temperature sensor in the enclosure space, temperature sensor is connected to the control room, and real-time supervision enclosure space temperature prevents to lead to outdoor pipeline to freeze because heating facility breaks down.
The invention also provides a wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing method, which comprises the following steps:
a plurality of steel upright columns 5 are arranged along the laying direction of the pipeline 3, a gap is reserved between each steel upright column 5 and the pipeline 3, and the steel upright columns 5 and the pipeline 3 are communicated at intervals to form an overhaul channel 4;
the plurality of steel upright columns 5 are connected through color steel plates to form side wall surfaces 6, the upper ends of the plurality of steel upright columns 5 and the upper end of the wall body 1 are connected through color steel plates to form an upper wall surface 7, the wall body 1 below the comprehensive pipe frame 2 and the plurality of steel upright columns 5 are connected through color steel plates to form a lower wall surface 8, and the upper wall surface 6, the side wall surfaces 7 and the lower wall surface 8 form a sealed space;
installing a heating pipeline 9 on the wall body 1 along the laying direction of the pipeline 3, and enabling the heating pipeline to be positioned in the sealed space; and lighting and ventilation facilities and a temperature sensor are arranged in the sealed space.
When in specific use:
synthesize 2 fixed mounting of pipe support on outdoor wall, locate installation steel stand 5 at a certain distance from pipeline 3, synthesize the bracing piece level extension of 2 bottommost of pipe support and fix on rigid stand 5, regard extension section intercommunication as maintenance passageway, synthesize between wall and the steel stand 5 about the pipe support 2, and use the color steel plate package between the adjacent steel stand 5, form a confined space, install heating pipeline 9 at the wall of confined space's inside, and install illumination and ventilation facility at confined space, set up temperature sensor real-time supervision confined space's temperature in addition.
Compared with the prior electric tracing anti-freezing mode, the method has the following advantages that after the outdoor comprehensive pipe frame is reformed by using the method of the invention: the production cost is low, the cost of the heating is 0.6 ten thousand yuan per year, the cost of the electric tracing is nearly 42.4 ten thousand per year, and the production cost can be saved by about 41.8 ten thousand yuan; the maintenance amount is reduced, and after the comprehensive pipe frame is sealed, electric tracing and heat preservation are not needed, so that the maintenance workload of electric tracing and heat preservation is reduced; the system has higher safety and stability, and after the comprehensive pipe frame is sealed, the pipeline always runs in the environment of more than 20 degrees, so that the pipeline freezing event can not occur; the maintenance is more convenient, safe, swift, synthesizes pipe support sealed back, and the maintenance operation passageway of addding makes things convenient for the pipeline to change, and the pipeline is changed and will not belong to high altitude construction nor set up the scaffold frame, has improved the security of operation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an outdoor comprehensive pipe support pipeline freeze-proof device of wet flue gas desulfurization which characterized in that, the device includes: the comprehensive pipe frame (2) is provided with a plurality of layers, adjacent layers are connected through support rods positioned at two ends, one end of each layer is fixedly arranged on the wall body (1), and the other end of the lowest layer is fixed on the steel upright post (5); a pipeline (3) laid on the comprehensive pipe frame (2), wherein a plurality of pipelines (3) are laid on the comprehensive pipe frame (2) side by side; the steel upright columns (5) are arranged along the laying direction of the pipeline (3) and are spaced from the pipeline (3), and the steel upright columns (5) are communicated with the pipeline (3) at intervals to form an overhaul channel (4); the steel columns (5) are connected through color steel plates to form side wall surfaces (6), the upper ends of the steel columns (5) and the upper end of the wall body (1) are connected through color steel plates to form an upper wall surface (7), the wall body (1) below the comprehensive pipe frame (2) and the steel columns (5) are connected through color steel plates to form a lower wall surface (8), and the wall body (1), the upper wall surface (7), the side wall surfaces (6) and the lower wall surface (8) form a sealed space; a heating pipeline (9) which is arranged on the wall body (1) along the laying direction of the pipeline (3) and is positioned in the sealed space; and a temperature sensor, lighting and ventilation facilities are arranged in the sealed space.
2. The anti-freezing device for the outdoor integrated pipe frame pipeline with the wet desulphurization function as claimed in claim 1, wherein the upper wall surface (7) is arranged obliquely, and one side connected with the steel upright post (5) is lower than one side connected with the wall body (1).
3. An outdoor comprehensive pipe support pipeline anti-freezing method for wet desulphurization is characterized by comprising the following steps: arranging a plurality of steel columns (5) along the laying direction of the pipeline (3), wherein an interval is formed between each steel column (5) and the pipeline (3), and the steel columns (5) are communicated with the pipeline (3) at intervals to form an overhaul channel (4); the wall body (1), the upper wall surface (7), the side wall surface (6) and the lower wall surface (8) are connected through the color steel plates below the comprehensive pipe frame (2), and a sealed space is formed by the wall body (1), the upper wall surface (7), the side wall surface (6) and the lower wall surface (8); a heating pipeline (9) is arranged on the wall body (1) along the laying direction of the pipeline (3) and is positioned in the sealed space; and lighting and ventilation facilities are provided inside the sealed space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950079.2A CN109268611B (en) | 2018-08-20 | 2018-08-20 | Wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950079.2A CN109268611B (en) | 2018-08-20 | 2018-08-20 | Wet desulphurization outdoor comprehensive pipe frame pipeline anti-freezing device and method |
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| Publication Number | Publication Date |
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| CN109268611A CN109268611A (en) | 2019-01-25 |
| CN109268611B true CN109268611B (en) | 2021-01-26 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2803898B1 (en) * | 2000-01-14 | 2002-03-29 | Air Liquide | CRYOGENIC FLUID TRANSFER LINES AND USE FOR TRANSFERRING LIQUID HELIUM |
| CN101979905A (en) * | 2010-10-28 | 2011-02-23 | 中国神华能源股份有限公司 | Ground pipe gallery |
| CN201954106U (en) * | 2011-02-16 | 2011-08-31 | 中电投远达环保工程有限公司 | Integrated pipe frame of flue gas desulfurization system |
| CN203034480U (en) * | 2013-01-07 | 2013-07-03 | 李庆 | Urban underground public pipeline |
| CN106013231A (en) * | 2016-07-05 | 2016-10-12 | 宏大国源（芜湖）资源环境治理有限公司 | Segmented type electric heating way applied to interior of pipe rack |
| CN205742269U (en) * | 2016-07-05 | 2016-11-30 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of segmented electro-thermal road being applied in piping lane |
| CN106764066B (en) * | 2017-01-23 | 2018-12-04 | 北京亚欧震达科技发展有限公司 | A kind of aerial piping lane |
| CN207405434U (en) * | 2017-10-20 | 2018-05-25 | 中机国能电力工程有限公司 | A kind of new merging arrangement integrated pipe frame |
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