CN102200221A - Pipeline decompression and liquid drainage device and mounting method thereof - Google Patents
Pipeline decompression and liquid drainage device and mounting method thereof Download PDFInfo
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- CN102200221A CN102200221A CN2011101234474A CN201110123447A CN102200221A CN 102200221 A CN102200221 A CN 102200221A CN 2011101234474 A CN2011101234474 A CN 2011101234474A CN 201110123447 A CN201110123447 A CN 201110123447A CN 102200221 A CN102200221 A CN 102200221A
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Abstract
The invention in particular discloses a pipeline decompression and liquid drainage device which is mounted on a main pipeline. The main pipeline comprises an inlet pipeline, an outlet pipeline and a centrifugal pump which is mounted between the inlet pipeline and the outlet pipeline; the inlet pipeline is provided with an inlet valve; the outlet pipeline is provided with an outlet check valve and an outlet valve; the pipeline decompression and liquid drainage device comprises an inlet section decompression and liquid drainage pipe, an inlet section decompression and liquid drainage valve and an outlet section decompression and liquid drainage pipe, an outlet section decompression and liquid drainage valve and a decompression and liquid drainage pipe outlet, wherein the inlet section decompression and liquid drainage valve is mounted on the inlet section decompression and liquid drainage pipe; and the outlet section decompression and liquid drainage valve is mounted on the outlet section decompression and liquid drainage pipe. The invention also discloses a method for mounting the pipeline decompression and liquid drainage device on an ore pulp delivery main pipeline. By adopting the technology provided by the invention, the origional planned overhaul time can be shortened, the danger of decompression by labor in dismounting the pipeline component is eliminated, and simultaneously unnecessary personnel labor force input is reduced.
Description
Technical field
The invention belongs to the line transportation field, particularly relate to pressure release pumping equipment and installation thereof after pipeline is shut down in the line transportation.
Background technique
The ore pulp pump in dehydration workshop, the big Red Hill iron ore concentrate conveying pipeline of elder brother's steel terminus and the processing of production water carry the various parts such as terminal valve of water pump and pump all to have problems such as working life and objective damage; for guaranteeing the normal stable operation of production process; just need in time to change trouble unit; owing to the check valve of pump discharge installation and the reasons such as the discrepancy in elevation of pipeline import and export; shut down the back at pipeline and in pipeline, will accumulate ore pulp or water, if the pipeline fed distance is long, the discrepancy in elevation more greatly will remaining big quantity of fluid and certain pressure.Need carry out pressure release and emptying to pipeline when changing pipeline mounted pump and valve or other parts, and ordinary production needs to consider manually to carry out the safety issue of pressure release simultaneously to the requirement of replacing time.
Summary of the invention
The object of the present invention is to provide a kind of device that makes the pipeline pressure release safely and fast, solve pipe interior liquid fast evacuation and shorten the repair time, solve the problem that production is impacted.
The present invention specifically discloses a kind of pipeline pressure release pumping equipment, be installed on the main pipe, described main pipe comprises inlet pipeline, outlet conduit and be installed in inlet pipeline and outlet conduit between centrifugal pump, inlet valve is installed on inlet pipeline, outlet check valve and outlet valve are installed on outlet conduit, and pipeline pressure release pumping equipment comprises inducer pressure release liquid-discharging tube, be installed in the inducer pressure release liquid discharging valve on the inducer pressure release liquid-discharging tube, outlet section pressure release liquid-discharging tube, be installed in outlet section pressure release liquid discharging valve and the outlet of pressure release liquid-discharging tube on the outlet section pressure release liquid-discharging tube.
Further, inducer pressure release liquid-discharging tube is installed in the inlet valve downstream, and outlet section pressure release liquid-discharging tube is installed between outlet check valve and the outlet valve.
Further, inducer pressure release liquid-discharging tube and outlet section pressure release liquid-discharging tube by welded and installed on inlet pipeline and outlet conduit.
The invention also discloses a kind of method of carrying pipe laying pressure release pumping equipment on the main pipe at ore pulp, described main pipe comprise inlet pipeline, outlet conduit and be installed in inlet pipeline and outlet conduit between centrifugal pump, inlet valve is installed on inlet pipeline, outlet check valve and outlet valve are installed on outlet conduit, it is characterized in that:
Perforate is carried out to inlet pipeline in inlet valve downstream at inlet pipeline, and welding inducer pressure release liquid-discharging tube is installed inducer pressure release liquid discharging valve on this section pipe;
Between the outlet check valve of outlet conduit and outlet valve, outlet conduit is carried out perforate, welding outlet section pressure release liquid-discharging tube, installation outlet section pressure release liquid discharging valve on this section pipe;
The outlet of pressure release liquid-discharging tube is installed between inducer pressure release liquid discharging valve and outlet section pressure release liquid discharging valve.
The invention also discloses a kind of ore pulp conveyance conduit, comprise main pipe, described main pipe comprises inlet pipeline, outlet conduit and be installed in inlet pipeline and outlet conduit between centrifugal pump, inlet valve is installed on inlet pipeline, outlet check valve and outlet valve are installed on outlet conduit, also comprise pipeline pressure release pumping equipment, pipeline pressure release pumping equipment comprises inducer pressure release liquid-discharging tube, be installed in the inducer pressure release liquid discharging valve on the inducer pressure release liquid-discharging tube, outlet section pressure release liquid-discharging tube, be installed in outlet section pressure release liquid discharging valve and the outlet of pressure release liquid-discharging tube on the outlet section pressure release liquid-discharging tube.
The present invention has following beneficial effect:
1. shortened original scheduled overhaul time after transforming.
2. by when the parts of pipeline and pump are changed in maintenance, eliminating the danger that artificial unloading's conduit component carries out artificial pressure release after the technical innovation.
3. by having reduced unnecessary personnel labour force's input after transforming.
Description of drawings
Fig. 1: original pipeline schematic representation;
Fig. 2: the pipeline schematic representation after the installation pressure release drain line;
Description of reference numerals:
1-inlet pipeline; 2-inlet valve; 3-centrifugal pump;
4-outlet conduit; 5-outlet check valve; 6-outlet valve;
7-inducer pressure release liquid discharging valve; 8-inducer pressure release liquid-discharging tube;
9-outlet section pressure release liquid discharging valve; 10-outlet section pressure release liquid-discharging tube;
The outlet of 11-pressure release liquid-discharging tube.
Embodiment
Below in conjunction with accompanying drawing the present invention is specifically described.
Shown in Fig. 1 is existing pipeline schematic representation, between inlet pipeline 1 and outlet conduit 4 centrifugal pump 3 is arranged, and inlet valve 2 is installed on inlet pipeline, and outlet check valve 5 and outlet valve 6 are installed on outlet conduit 4.
In conjunction with Fig. 2, in inlet valve 2 backs of inlet pipeline 1 pipeline is carried out perforate earlier according to field position, welding inducer pressure release liquid-discharging tube 8 is installed inducer pressure release liquid discharging valve 7 on this section pipe; Between the outlet check valve 5 of outlet conduit 4 and outlet valve 6, pipeline is carried out perforate, welding outlet section pressure release liquid-discharging tube 10, and installation outlet section pressure release liquid discharging valve 9.Pressure release liquid-discharging tube outlet 11 is installed between inducer pressure release liquid discharging valve 7 and outlet section pressure release liquid discharging valve 9.
After the installation pipeline and valve are checked, guaranteed that sealing and control are good.
Claims (5)
1. pipeline pressure release pumping equipment, be installed on the main pipe, described main pipe comprises inlet pipeline (1), outlet conduit (4) and be installed in inlet pipeline (1) and outlet conduit (4) between centrifugal pump (3), inlet valve (2) is installed on inlet pipeline (1), outlet check valve (5) and outlet valve (6) are installed on outlet conduit (4), and it is characterized in that: pipeline pressure release pumping equipment comprises inducer pressure release liquid-discharging tube (8), be installed in the inducer pressure release liquid discharging valve (7) on the inducer pressure release liquid-discharging tube (8), outlet section pressure release liquid-discharging tube (10), be installed in outlet section pressure release liquid discharging valve (9) and pressure release liquid-discharging tube outlet (11) on the outlet section pressure release liquid-discharging tube (10).
2. pipeline pressure release pumping equipment according to claim 1 is characterized in that: inducer pressure release liquid-discharging tube (8) is installed in inlet valve (2) downstream, and outlet section pressure release liquid-discharging tube (10) is installed between outlet check valve (5) and the outlet valve (6).
3. pipeline pressure release pumping equipment according to claim 1 and 2 is characterized in that: inducer pressure release liquid-discharging tube (8) and outlet section pressure release liquid-discharging tube (10) by welded and installed on inlet tube (1) and outer pipe (4).
4. method of carrying pipe laying pressure release pumping equipment on the main pipe at ore pulp, described main pipe comprise inlet pipeline (1), outlet conduit (4) and be installed in inlet pipeline (1) and outlet conduit (4) between centrifugal pump (3), inlet valve (2) is installed on inlet pipeline (1), outlet check valve (5) and outlet valve (6) are installed on outlet conduit (4), it is characterized in that:
Perforate is carried out to inlet pipeline (1) in inlet valve (2) downstream in inlet pipeline (1), and welding inducer pressure release liquid-discharging tube (8) is installed inducer pressure release liquid discharging valve (7) on this section pipe;
Between the outlet check valve (5) of outlet conduit (4) and outlet valve (6), outlet conduit (4) is carried out perforate, welding outlet section pressure release liquid-discharging tube (10), installation outlet section pressure release liquid discharging valve (9) on this section pipe;
Pressure release liquid-discharging tube outlet (11) is installed between inducer pressure release liquid discharging valve (7) and outlet section pressure release liquid discharging valve (9).
5. ore pulp conveyance conduit, comprise main pipe, described main pipe comprises inlet pipeline (1), outlet conduit (4) and be installed in inlet pipeline (1) and outlet conduit (4) between centrifugal pump (3), inlet valve (2) is installed on inlet pipeline (1), outlet check valve (5) and outlet valve (6) are installed on outlet conduit (4), it is characterized in that: also comprise pipeline pressure release pumping equipment, pipeline pressure release pumping equipment comprises inducer pressure release liquid-discharging tube (8), be installed in the inducer pressure release liquid discharging valve (7) on the inducer pressure release liquid-discharging tube (8), outlet section pressure release liquid-discharging tube (10), be installed in outlet section pressure release liquid discharging valve (9) and pressure release liquid-discharging tube outlet (11) on the outlet section pressure release liquid-discharging tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110123447 CN102200221B (en) | 2011-05-13 | 2011-05-13 | Pipeline decompression and liquid drainage device and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110123447 CN102200221B (en) | 2011-05-13 | 2011-05-13 | Pipeline decompression and liquid drainage device and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102200221A true CN102200221A (en) | 2011-09-28 |
| CN102200221B CN102200221B (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110123447 Active CN102200221B (en) | 2011-05-13 | 2011-05-13 | Pipeline decompression and liquid drainage device and mounting method thereof |
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| Country | Link |
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| CN (1) | CN102200221B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090015A (en) * | 2015-09-21 | 2015-11-25 | 云南大红山管道有限公司 | Device for releasing outlet pressure in slurry pipe main pump trial run |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106520211B (en) * | 2016-09-19 | 2018-11-09 | 山东大学 | A kind of high-temperature fuel gas quickly cut-out and decompression protection device and biomass gasifying furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046102A (en) * | 2007-02-28 | 2007-10-03 | 何大 | No-negative pressure water supplier for both domestic use and fire fighting |
| CN200969264Y (en) * | 2006-07-27 | 2007-10-31 | 杭州柯林电力设备有限公司 | Automatic pressure relief protecting device for oil loop internal cycle |
| CN201049166Y (en) * | 2007-06-22 | 2008-04-23 | 南昌赣江水工业科技有限公司 | Non-negative pressure fire-fighting special purpose water-feeding equipment |
| CN202158354U (en) * | 2011-05-13 | 2012-03-07 | 云南大红山管道有限公司 | Pipeline pressure release and drainage device |
-
2011
- 2011-05-13 CN CN 201110123447 patent/CN102200221B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969264Y (en) * | 2006-07-27 | 2007-10-31 | 杭州柯林电力设备有限公司 | Automatic pressure relief protecting device for oil loop internal cycle |
| CN101046102A (en) * | 2007-02-28 | 2007-10-03 | 何大 | No-negative pressure water supplier for both domestic use and fire fighting |
| CN201049166Y (en) * | 2007-06-22 | 2008-04-23 | 南昌赣江水工业科技有限公司 | Non-negative pressure fire-fighting special purpose water-feeding equipment |
| CN202158354U (en) * | 2011-05-13 | 2012-03-07 | 云南大红山管道有限公司 | Pipeline pressure release and drainage device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090015A (en) * | 2015-09-21 | 2015-11-25 | 云南大红山管道有限公司 | Device for releasing outlet pressure in slurry pipe main pump trial run |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102200221B (en) | 2013-03-27 |
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