CN113731665A - Be applied to anticorrosive device of oil spout after prestressing force stretch-draw - Google Patents
Be applied to anticorrosive device of oil spout after prestressing force stretch-draw Download PDFInfo
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- CN113731665A CN113731665A CN202110875664.2A CN202110875664A CN113731665A CN 113731665 A CN113731665 A CN 113731665A CN 202110875664 A CN202110875664 A CN 202110875664A CN 113731665 A CN113731665 A CN 113731665A
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- oil
- storage container
- oil storage
- prestressed
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
- B05B7/262—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device a liquid and a gas being brought together before entering the discharge device
Abstract
The invention discloses an oil injection anti-corrosion device applied to a prestressed tensioned state, which comprises an oil storage container, an air inlet end high-pressure hose, an air compressor, a longitudinal connecting pipe and a transverse connecting pipe, wherein the oil storage container comprises an oil storage layer and an air layer, the top of the oil storage layer is attached to the bottom of the air layer, one end of the air inlet end high-pressure hose is communicated with the air compressor, the other end of the air inlet end high-pressure hose is respectively communicated with one end of the longitudinal connecting pipe and one end of the transverse connecting pipe through a tee joint, the other end of the longitudinal connecting pipe is communicated with the air layer of the oil storage container, the other end of the transverse connecting pipe is respectively communicated with the bottom of the oil storage container and one end of the inlet end connecting pipe through a tee joint, and the other end of the inlet end connecting pipe is sleeved on an inlet end of a prestressed pipeline. The device is applied to the situation that the prestressed steel strand cannot be tensioned and finished and rusted when the prestressed steel strand is constructed in winter, and the beneficial effect of temporary anticorrosion protection on the tensioned prestressed steel strand is achieved.
Description
Technical Field
The invention relates to the technical field of prestress tensioning, in particular to an oil injection anticorrosion device applied to prestress tensioning.
Background
In the LNG storage tank construction process, in order to satisfy the design intensity of whole building, need carry out the prestressing force stretch-draw in buttress department. If the tensioned prestressed steel strand is seriously corroded, the prestressed loss can be caused, and the rigidity and the strength of the whole building are seriously threatened.
Generally, the method of grouting prestressed pipes is commonly used to prevent the prestressed steel strands from rusting and corroding. However, in winter, water is frozen into ice due to too low temperature, the volume of the water expands, the internal structure of cement concrete is seriously damaged, the grouting quality is influenced, and the grouting of the prestressed pipeline is not full, so that the prestressed steel strands and the concrete are not firmly bonded, the prestressed steel strands are corroded, and the service life of the storage tank is influenced.
Therefore, a method for temporarily preventing the corrosion of the prestressed steel strand needs to be adopted, namely water-soluble oil is atomized and sprayed onto the prestressed steel strand, but the device for corrosion prevention by prestressed oil spraying at the present stage is applied to the prestressed steel strand without being penetrated, and a method and an implementation device for corrosion prevention after the prestressed steel strand is penetrated, penetrated and tensioned are lacked.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: and carrying out temporary anticorrosion protection on the prestressed steel strand which is penetrated and tensioned in the pipeline.
In order to solve the technical problems, the invention needs to provide an oil injection anticorrosion device applied to a prestressed tensioned state, which comprises an oil storage container, an air inlet end high-pressure hose, an air compressor, a longitudinal connecting pipe and a transverse connecting pipe, wherein the oil storage container comprises an oil storage layer and an air layer, the top of the oil storage layer is attached to the bottom of the air layer, one end of the air inlet end high-pressure hose is communicated with the air compressor, the other end of the air inlet end high-pressure hose is respectively communicated with one end of the longitudinal connecting pipe and one end of the transverse connecting pipe through a tee joint, the other end of the longitudinal connecting pipe is communicated with the air layer of the oil storage container, the other end of the transverse connecting pipe is respectively communicated with the bottom of the oil storage container and one end of the inlet end connecting pipe through a tee joint, and the other end of the inlet end connecting pipe is sleeved on the inlet end of a prestressed pipeline.
According to one embodiment of the invention, the bottom surface of the oil container is an arc surface gradually rising from the center to two sides, and an included angle between the arc surface and the horizontal plane is an acute angle.
According to one embodiment of the invention, the oil injection anti-corrosion device further comprises a liquid inlet funnel and a liquid inlet connecting piece, wherein the liquid inlet funnel is communicated with the top of the oil storage container through the liquid inlet connecting piece.
According to one embodiment of the invention, the liquid inlet connecting piece is internally provided with a bell-mouth-shaped middle through space, the bell-mouth-shaped caliber is large at the top and small at the bottom, the upper opening is communicated with the liquid inlet funnel, and the small opening is communicated with the top of the oil storage container.
According to one embodiment of the present invention, the bottom, the top and the air layer of the oil container are provided with openings, and short pipes are extended along the openings.
According to one embodiment of the invention, the oil container is made of stainless steel.
According to one embodiment of the invention, a valve and a pressure gauge are sequentially arranged between the high-pressure hose at the air inlet end and the three-way pipe.
According to one embodiment of the invention, the oil injection anti-corrosion device further comprises a container base, wherein a groove is formed in the surface of the container base, and an oil storage container is placed in the groove.
The invention has the technical effects that:
1. the invention discloses an oil injection anti-corrosion device applied to prestressed tensioning, wherein an input end connecting pipe in the oil injection anti-corrosion device is sleeved at the inlet end of a prestressed pipeline, water-soluble lubricating oil in an oil storage container is discharged by high-pressure airflow sprayed by an air compressor to form oil mist, and the oil mist is sprayed into the prestressed pipeline through the input end connecting pipe, so that the beneficial effect of temporary anti-corrosion protection on prestressed steel strands which are bundled and tensioned in the pipeline is realized.
2. The invention relates to a prestressed tensioned oil injection anti-corrosion device, which is characterized in that high-pressure airflow sprayed out of a hollow press passes through a high-pressure hose at an air inlet end and is divided at a tee joint, the high-pressure airflow sprayed into an oil storage container along a longitudinal connecting pipe enables the pressure in the container to be increased, water-soluble lubricating oil in the container flows out from an opening at the lower end of the oil storage container under the action of pressure and gravity, oil mist is formed under the action of high-speed airflow sprayed from a transverse connecting pipe, and the beneficial effect of enabling prestressed steel strands to be uniformly soaked is achieved.
3. The bottom surface of the oil storage container is an arc surface which gradually rises from the center to two sides, and the included angle between the arc surface and the horizontal plane is an acute angle, so that the beneficial effect of ensuring that liquid in the container is completely discharged under the action of air pressure and gravity is achieved.
Drawings
FIG. 1 is a general schematic view of an oil spray corrosion prevention device applied after prestress tension;
FIG. 2 is a sectional view of an oil storage container applied to an oil spray corrosion prevention apparatus after pre-stress tensioning;
FIG. 3 is a sectional view of a liquid inlet funnel and a liquid inlet connecting piece of the oil spray anticorrosion device applied after prestress tensioning;
FIG. 4 is a sectional view of an inlet end connection pipe of the oil injection corrosion prevention device applied after prestress tensioning;
fig. 5 is a sectional view of an air inlet end high-pressure hose applied to a pre-stressed tensioned oil injection corrosion prevention device.
Reference numerals: 1-a liquid inlet funnel; 2-liquid inlet connecting piece; 3-a valve; 4-an oil reservoir; 5-connecting the input end; 6-a valve; 7-longitudinal connecting pipe; 8-a pressure gauge; 9-container base; 10-a valve; 11-a valve; 12-a tee joint; 13-a valve; 14-a tee joint; 15-a valve; 16-inlet high pressure hose; 17-an air compressor; 18-iron wire; 19-high pressure tube.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in figure 1, the oil injection anti-corrosion device applied to the prestressed tensioning device is characterized in that one end of an input end connecting pipe 5 without threads is sleeved at the inlet end of a prestressed pipeline and is firmly bound by an iron wire 18; closing the valve 6, the valve 10, the valve 11, the valve 13 and the valve 15, opening the valve 3, and filling the water-soluble lubricating oil into the closed oil storage container 4 through the liquid inlet funnel 1 and the liquid inlet connecting piece 2, wherein the filling amount is determined according to the volume of the oil storage container 4 and the volume of the prestressed pipeline; after water-soluble lubricating oil is filled, closing the valve 3, opening the air compressor 17, sequentially opening the valve 15, the valve 13 and the valve 10, checking a pressure value once when opening each valve to ensure the air tightness of the connection of the device, and always ensuring that the numerical value displayed on the pressure gauge 8 is lower than 0.5MPa when adjusting the air pressure; after the situation that no fault exists, the valve 6 is opened, so that high-pressure airflow enters the oil storage container 4 through the valve 6, then the valve 11 is slowly opened, the airflow flowing through the connecting pipe at high speed in the lower part of the container generates lower pressure, and under the multiple actions of the gravity of the water-soluble lubricating oil and the air pressure in the oil storage container 4, the water-soluble lubricating oil enters compressed air through the valve 11, an oil mist state is formed under the action of the high-pressure gas, and then the water-soluble lubricating oil enters the prestressed pipeline through the valve 10 and the inlet connecting pipe 5 until oil mist is sprayed out from the tail end of the prestressed pipeline, and at the moment, the equipment is disconnected, and the inlet and the outlet of the prestressed pipeline are closed. If the process is not completed, the poured water-soluble lubricating oil is used up, the valve 6, the valve 11, the valve 13 and the air compressor 17 are closed, the valve 3 is opened, the water-soluble lubricating oil with the same volume is poured again, then the steps are repeated, namely the valve 3 is closed, the air compressor 17, the valve 6 and the valve 13 are opened, the air flow flows into the pipeline, and the valve 11 is opened slowly. In order to protect the prestressed steel strands, oil injection protection should be repeated every 30 days until the prestressed pipeline grouting measure can be adopted.
As shown in figure 2, the oil storage container 4 applied to the oil injection anti-corrosion device after the pre-stress tensioning is a cuboid cavity, round corners are arranged at the corners of the cuboid cavity, the bottom surface of the oil storage container is an arc surface which gradually rises from the center to the two sides, and the included angle between the arc surface and the horizontal plane is an acute angle, so that liquid in the oil storage container is completely discharged under the action of air pressure and gravity.
As shown in fig. 3, a liquid inlet funnel 1 and a liquid inlet connecting piece 2 applied to a pre-stressed tensioned oil injection corrosion prevention device, wherein the lower part of the liquid inlet funnel 1 is provided with an external thread to facilitate the connection with the liquid inlet connecting piece 2; the upper end of the liquid inlet connecting piece 2 is provided with an internal thread which is connected with an external thread of the liquid inlet funnel 1; the internal thread at the lower end is connected with the external thread of the valve 3, and the interior of the valve is a bell-mouth-shaped hollow space.
As shown in fig. 4, an input end connection pipe applied to a prestressed tensioned oil injection corrosion prevention device, wherein the input end connection pipe 5 is composed of a high-pressure pipe 19 with an internal thread at one end and an iron wire 18; one end with the internal thread is connected with the external thread of the valve 10 and is firmly bound by an iron wire 18; the high pressure pipe 19 without thread at the other end is sleeved at the inlet end of the prestressed pipeline and is firmly bound by iron wires.
As shown in FIG. 5, the air inlet end high-pressure hose applied to the oil injection anticorrosive device after the pre-stress tensioning is characterized in that both ends of the air inlet end high-pressure hose 16 are provided with internal threads, are respectively connected with the external threads of the air compressor 17 and the valve 15, and are respectively bound firmly by iron wires 18.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides a be applied to oil spout anticorrosive device after prestressing force stretch-draw, its characterized in that, includes oil storage container, inlet end high pressure hose, air compressor machine, vertically takes over and transversely takes over, oil storage container includes oil reservoir and air bed, the oil reservoir top laminating is in the air bed bottom, inlet end high pressure hose one end intercommunication air compressor machine, the inlet end high pressure hose other end communicates respectively in vertically taking over and transversely taking over one end through the tee bend, vertically take over the other end and communicate in oil storage container's air bed, transversely take over the other end and communicate respectively in oil storage container bottom and the one end that the entry end was taken over through the tee bend, the other end suit that the entry end was taken over in the entry end of prestressing force pipeline.
2. The oil spray corrosion prevention device applied to the prestressed tensioning device as claimed in claim 1, wherein the bottom surface of the oil storage container is an arc surface gradually rising from the center to two sides, and an included angle between the arc surface and a horizontal plane is an acute angle.
3. The oil spray anticorrosion device applied to the prestressed tensioning device of claim 1, further comprising a liquid inlet funnel and a liquid inlet connecting piece, wherein the liquid inlet funnel is communicated with the top of the oil storage container through the liquid inlet connecting piece.
4. The oil injection corrosion prevention device applied to the prestressed tensioning device as claimed in claim 3, wherein the liquid inlet connector is internally provided with a bell-mouth-shaped middle through space, the bell-mouth-shaped caliber is large at the top and small at the bottom, the upper opening is communicated with the liquid inlet funnel, and the small opening is communicated with the top of the oil storage container.
5. The oil spray corrosion preventer after prestressed tension as claimed in claim 1, wherein the bottom, top and air layer of the oil container are provided with openings, and short pipes are extended along the openings.
6. The oil spray corrosion prevention device applied to the prestressed tension steel as claimed in claim 1, wherein the oil storage container is made of stainless steel.
7. The oil injection corrosion prevention device applied to the prestressed tensioning device as claimed in claim 1, wherein a valve and a pressure gauge are sequentially arranged between the air inlet end high-pressure hose and the three-way pipe.
8. The oil spray corrosion prevention device applied to the prestressed tensioned state as recited in claim 1, further comprising a container base, wherein a groove is formed in a surface of the container base, and an oil storage container is placed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875664.2A CN113731665B (en) | 2021-07-30 | 2021-07-30 | Oil injection anticorrosion device applied to prestress tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875664.2A CN113731665B (en) | 2021-07-30 | 2021-07-30 | Oil injection anticorrosion device applied to prestress tensioning |
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| Publication Number | Publication Date |
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| CN113731665A true CN113731665A (en) | 2021-12-03 |
| CN113731665B CN113731665B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110875664.2A Active CN113731665B (en) | 2021-07-30 | 2021-07-30 | Oil injection anticorrosion device applied to prestress tensioning |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592696Y (en) * | 2002-12-17 | 2003-12-17 | 厦门新钢金属制品有限公司 | Anticorrosive prestress steel strand |
| CN1787884A (en) * | 2003-04-11 | 2006-06-14 | 巨杰公司 | Fluid control system for air/liquid |
| CN202113972U (en) * | 2011-05-31 | 2012-01-18 | 廖哲春 | Paint spraying system |
| CN202846682U (en) * | 2012-11-06 | 2013-04-03 | 倪志权 | Adhesion agent spraying equipment used for producing prestress steel cylinder concrete pipe with adhesion agents |
| CN205946991U (en) * | 2016-08-22 | 2017-02-15 | 钟风焕 | High pressure spray spouts medicine device for municipal garden |
| CN207544158U (en) * | 2017-11-07 | 2018-06-29 | 张文军 | A kind of municipal administration gardens chemical spraying device |
| CN209407361U (en) * | 2019-01-01 | 2019-09-20 | 十堰市龙岗铸造有限公司 | A kind of polystyrene mould thermal insulating layer on surface spraying facility |
| CN211418309U (en) * | 2019-11-22 | 2020-09-04 | 安徽省无为县农兴粮油购销有限公司 | Grain and oil anti-corrosion storage device |
| CN212371961U (en) * | 2020-06-04 | 2021-01-19 | 中国石油天然气集团有限公司 | Simple sand blasting and rust removing device |
| CN212582390U (en) * | 2019-07-31 | 2021-02-23 | 天津城建集团有限公司 | Epoxy steel strand wires suspension cable protective structure |
-
2021
- 2021-07-30 CN CN202110875664.2A patent/CN113731665B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592696Y (en) * | 2002-12-17 | 2003-12-17 | 厦门新钢金属制品有限公司 | Anticorrosive prestress steel strand |
| CN1787884A (en) * | 2003-04-11 | 2006-06-14 | 巨杰公司 | Fluid control system for air/liquid |
| CN202113972U (en) * | 2011-05-31 | 2012-01-18 | 廖哲春 | Paint spraying system |
| CN202846682U (en) * | 2012-11-06 | 2013-04-03 | 倪志权 | Adhesion agent spraying equipment used for producing prestress steel cylinder concrete pipe with adhesion agents |
| CN205946991U (en) * | 2016-08-22 | 2017-02-15 | 钟风焕 | High pressure spray spouts medicine device for municipal garden |
| CN207544158U (en) * | 2017-11-07 | 2018-06-29 | 张文军 | A kind of municipal administration gardens chemical spraying device |
| CN209407361U (en) * | 2019-01-01 | 2019-09-20 | 十堰市龙岗铸造有限公司 | A kind of polystyrene mould thermal insulating layer on surface spraying facility |
| CN212582390U (en) * | 2019-07-31 | 2021-02-23 | 天津城建集团有限公司 | Epoxy steel strand wires suspension cable protective structure |
| CN211418309U (en) * | 2019-11-22 | 2020-09-04 | 安徽省无为县农兴粮油购销有限公司 | Grain and oil anti-corrosion storage device |
| CN212371961U (en) * | 2020-06-04 | 2021-01-19 | 中国石油天然气集团有限公司 | Simple sand blasting and rust removing device |
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| Publication number | Publication date |
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| CN113731665B (en) | 2023-04-25 |
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