CN104198749A - Mounting method of sampling pipeline for online real-time detection of online analysis instrument - Google Patents
Mounting method of sampling pipeline for online real-time detection of online analysis instrument Download PDFInfo
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- CN104198749A CN104198749A CN201410463658.6A CN201410463658A CN104198749A CN 104198749 A CN104198749 A CN 104198749A CN 201410463658 A CN201410463658 A CN 201410463658A CN 104198749 A CN104198749 A CN 104198749A
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Abstract
The invention discloses a mounting method of a sampling pipeline for online real-time detection of an online analysis instrument. The online analysis instrument can uninterruptedly monitor water quality by using the sampling pipeline adopted by the method, and the online analysis instrument also can monitor the water quality uninterruptedly or every once in a while, thereby saving the operation cost and improving the service life of the device. A backwash filter can carry out secondary filtration on water which enters into the online analysis instrument while monitoring, so that sediments, rust, particles, suspended solids and the like in water can be more effectively filtered, and then blockage of the sampling pipeline of the online analysis instrument is reduced; a first valve and a second valve are utilized to control water flow, so that an overflow device falls after a rise and outflows on one hand, and overflows on the other hand to keep a high liquid level, water which outflows from the overflow device is directly discharged to a pool or an open channel, thus, the online analysis instrument can collect fresh water samples for the sampling pipeline. The mounting method disclosed by the invention is simple in technological process, easy to maintain, and especially cheaper in price of the mounting cost.
Description
Technical field
The invention belongs to construction method technical field, relate to a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument.
Background technology
In wastewater treatment, continuous monitoring in the time of must adopting certain on-line analysis instrument (as: COD, ammonia nitrogen) to carry out Real Time Monitoring and discharge to technological process, and on-line analysis instrument reliability service whether, most of situation depends on that whether sampling line is perfect.A sampling line is the set of some elements and equipment, and it has correctly intactly takes out enough functions of representational sample from process engineering, reduces the generation that affects measurement result situation that line clogging causes as far as possible.Sampling line comprises between self-priming pump, supply channel, discharge pipe line, overflow passage, on-line analysis instrument, analysis, these elements or equipment some between analyzing in, some between analyzing outside, do not form a unified field engineering standard, of all kinds, uneven, some pipeline laying is simple, or processing mode is incorrect, cause the stopple coupon of on-line analysis instrument to stop up, long-play causes analysis meter accessory to damage, and shorten serviceable life, the authenticity that impact is measured.In addition, existing on-line analysis instrument can only be monitored water quality incessantly, can not monitor at set intervals once, causes like this operating cost higher, and can shorten the serviceable life of equipment.
Summary of the invention
The present invention is in order to overcome the defect of prior art, designed a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument, the sampling line cost of utilizing this installation method to install is low, mounting means is simple, do not changing under the character prerequisite of water, the solid impurity such as the silt in filtering water, iron rust, colloid, particulate, suspension, has guaranteed the unimpeded of sampling line effectively, effectively improve the serviceable life of on-line analysis instrument, improved the accuracy of measuring.
The concrete technical scheme that the present invention takes is: a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument, and key is: described method comprises the following steps:
A, making are also installed self-priming pump support, make sleeve pipe standby, offer the cavity matching with casing diameter standby on the body of wall between analyzing, and make supply channel bearing support and discharge pipe line bracing frame standby;
B, self-priming pump is installed on the self-priming pump support of making in step a, and supply channel bearing support and discharge pipe line bracing frame is installed, simultaneously by self-priming pump with analyze between in control box be connected, control box is connected with on-line analysis instrument;
C, choose the pipeline of required material, and cut out according to actual needs supply channel and discharge pipe line, then pond or open channel, supply channel, self-priming pump, discharge pipe line successively head and the tail are communicated with and form circulation waterway, then the 5th valve is installed on discharge pipe line, and on the discharge pipe line between the 5th valve and self-priming pump, diffluence pass is installed;
D, installation overflow passage: overflow passage comprises non-return valve, the first valve, backwash filter, the second valve, the overflow device being communicated with successively, diffluence pass on the discharge pipe line that non-return valve is made with step c by transparent hose is communicated with, on the sidewall of overflow device apart from 2/3 place, bottom, be provided with overflow vent, overflow vent is communicated with pond or open channel by overflow pipe, has so far completed the installation of sampling line;
E, installation backwash filter flushing line: one end of tap water pipe line is communicated with tap water storage device, the other end is communicated with backwash filter, and on tap water pipe line, connect the 3rd valve, then one end of sewage discharge pipeline is communicated with the sewage draining exit of backwash filter bottom, the other end is communicated with discharge pipe line, and on sewage discharge pipeline, connects the 4th valve;
F, carry out hydraulic test of pipeline: forbid from fire bureau pressurization, application manual pump slowly pressurizes, and is not less than 10min pressure rising time, rise to after 1.0Mpa, constant 1h, observes joint and has or not drainage; After 1h, ftercompction again, declines and to be no more than 0.05Mpa in 15min internal pressure, shows that piping system intensity is qualified, is then down to working pressure, then is 24h and checks, now each position ne-leakage of total system, flawless, and the tightness of piping system is qualified; In pressure testing process, as found, interface leaks, and does in time mark, after pressure release, place under repair, then pressure testing again, until qualified; Off-test, fills in hydraulic test of pipeline record, and formation data arranges and files.
G, trial run: after the piping system hydraulic testing is qualified, try out, first by the 5th valve open on discharge pipe line, the first valve closing on overflow passage, then start self-priming pump, making current enter successively supply channel and discharge pipe line finally returns in pond or open channel and forms circulation waterway, then slowly open the first valve, check that whether transparent hose is unobstructed, open overflow device top cover, check overflow liquid level, carry out moderate adjustment, make water level in overflow device remain on overflow vent place, then the stopple coupon of on-line analysis instrument is inserted to overflow device, be enabled in line analysis instrument and carry out Real-Time Monitoring, contrast with the laboratory result of taking a sample to check on the spot, two results are consistent, if inconsistent, first confirm that laboratory analysis meter measuring accuracy error is little, then laboratory analysis meter is carried out to the test of same point sample tap with on-the-spot in-line analyzer table, if there is difference, illustrate that on-the-spot in-line analyzer measuring error is large, need to calibrate, if do not measure difference, illustrate that detected water sample has problem.
Described step a comprises the following steps:
A1, according to the installation requirement of the physical dimension of self-priming pump framework, self-priming pump and explanation, carry out metal section steel manufacture, self-priming pump support is arranged on to pond or open channel side, and requires self-priming pump support above ground level, so that dismounting;
When a2, making sleeve pipe, casing diameter should be than pipeline diameter large No. two, as needs pipeline heat insulation, and casing diameter should be greater than the thickness that pipeline diameter adds twice insulation material, casing length equates with the thickness of wall body between analyzing, when sleeve pipe is installed, pipeline need be inserted in sleeve pipe, reinstall in the body of wall cavity between analysis, sleeve pipe should flush with metope, after pipeline installation correction is errorless, carry out the filler jam-pack in gap between body of wall and sleeve pipe, fixed.
Described step b comprises the following steps:
B1, self-priming pump is placed on self-priming pump support, and carries out level correction, then be fixed;
B2, supply channel bearing support and discharge pipe line bracing frame are installed in self-priming pump both sides.
Self-priming pump described in step b is that power is that 0.75KW, flow are the self-priming centrifugal pump that 2.4L/s, lift are 30m.
Described step c is also included in pond or open channel grid cage is installed, and on the supply channel between grid cage and self-priming pump, filtrator is installed.
In step c between supply channel and self-priming pump, self-priming pump is all threaded with the connected mode between discharge pipe line.
Connected mode between diffluence pass on the discharge pipe line that transparent hose described in steps d is made with step c is also threaded.
Described step f should meet following provisions: to bonding connecting tube, the hydraulic testing should be carried out after 24 hours; The mouth of pipe carries out temporary sealing, prevents from testing hydraulic pressure and leaks; Test pressure is generally 1.5 times of piping system pressure, but must not be less than 0.6Mpa; Before the hydraulic testing, pipeline should be fixed, joint Ying Minglu.
The pore size of described grid cage is 0.5cm.
The invention has the beneficial effects as follows: on-line analysis instrument can be monitored water quality incessantly, also can utilize control box to control the absorbent time of self-priming pump, monitoring at set intervals once, can be saved operating cost like this, improves service life of equipment.During operation, under the effect of self-priming pump, water in pond or open channel can be rough after grid cage floating thing larger in pond, contaminant filter are fallen, again can be further except smaller impurity in anhydrating after filtrator, then enter in supply channel, in being incorporated between analysis, along discharge pipe line, flow into again in pond or open channel, form circulation waterway.On discharge pipe line, access overflow passage, overflow passage comprises non-return valve, the first valve, backwash filter, the second valve, overflow device, non-return valve is communicated with the diffluence pass on discharge pipe line by transparent hose, utilize transparent hose, whether unobstructedly can see current clearly, during monitoring, backwash filter can carry out secondary filtration to entering the water of on-line analysis instrument, can be effectively that the filterings such as the silt in water, iron rust, particulate, suspension is cleaner, make the stopple coupon of in-line analyzer reduce obstruction; Utilize the first valve and the second valve can control the size of current, can make the falling water outlet of overflow device limit, limit overflow keep high liquid level, the water flowing out from overflow device is directly discharged in pond or open channel, and such sampling line can make in-line analyzer concentrate and collect fresh water sample.After operation a period of time, utilize backwash filter flushing line to rinse backwash filter, can guarantee better the filter effect of backwash filter, technological process is simple, easy care, and particularly in installation cost problem, less expensive.
Accompanying drawing explanation
Fig. 1 is the structural representation of sampling line in the present invention.
In accompanying drawing, between 1 representative is analyzed, 2 represent self-priming pump, and 3 represent control box, 4 represent on-line analysis instrument, and 5 represent supply channel, and 6 represent discharge pipe line, and 7 represent pond or open channel, 8 represent the 5th valve, and 9 represent transparent hose, and 10 represent non-return valve, and 11 represent the first valve, 12 represent backwash filter, and 13 represent the second valve, and 14 represent overflow device, 15 represent tap water pipe line, and 16 represent the 3rd valve, and 17 represent the 4th valve, 18 represent stopple coupon, and 19 represent grid cage, and 20 represent filtrator.
Embodiment
For an installation method for the online sampling line detecting in real time of on-line analysis instrument, key is: described method comprises the following steps:
A, making are also installed self-priming pump support, make sleeve pipe standby, offer the cavity matching with casing diameter standby between analyzing on 1 body of wall, make supply channel bearing support and discharge pipe line bracing frame standby, specifically comprise the following steps:
A1, according to the installation requirement of the physical dimension of self-priming pump framework, self-priming pump and explanation, carry out metal section steel manufacture, self-priming pump support is arranged on to pond or open channel 7 sides, to shorten supply channel length, improves self-suction function, and require self-priming pump support above ground level, so that dismounting;
When a2, making sleeve pipe, casing diameter should be than pipeline diameter large No. two, as needs pipeline heat insulation, and casing diameter should be greater than the thickness that pipeline diameter adds twice insulation material, casing length with analyze between 1 thickness of wall body equate, when sleeve pipe is installed, pipeline need be inserted in sleeve pipe, reinstall between analysis in 1 body of wall cavity, sleeve pipe should flush with metope, after pipeline installation correction is errorless, carry out the filler jam-pack in gap between body of wall and sleeve pipe, fixed;
B, self-priming pump 2 is installed on the self-priming pump support of making in step a, and supply channel bearing support and discharge pipe line bracing frame be installed, simultaneously by self-priming pump 2 with analyze between control box 3 in 1 be connected, control box 3 is connected with on-line analysis instrument 4, comprises the following steps:
B1, by power, be that 0.75KW, flow are that the self-priming centrifugal pump that 2.4L/s, lift are 30m is placed on self-priming pump support, and carry out level correction, then tight a bolt, be fixed;
B2, in self-priming pump 2 both sides, supply channel bearing support and discharge pipe line bracing frames are installed, are avoided self-priming pump 2 itself to bear the load-bearing load of pipeline;
C, choose required tubing, comprise transparent hose and there is very strong corrosion resistance and flexibility, health is nontoxic, do not affect the tenor in water, weight bearing power is strong, the U-PVC pipeline that is difficult for breaking, the smooth hydraulic resistance of tube wall little (resistance coefficient is 0.009) of U-PVC pipeline, conveyance power of water exceeds more than 20% than cast carbon steel, be applicable to continuous blow-down and be no more than 40 ℃, instantaneous discharge is no more than in the sanitary sewage and public waterworks of 80 ℃, and utilize according to actual needs U-PVC pipeline to cut out supply channel 5 and discharge pipe line 6, when cutting off pipeline, must use pipe cutter vertically to cut off, then by pond or open channel 7, supply channel 5, self-priming pump 2, discharge pipe line 6 successively head and the tail is communicated with formation circulation waterway, then the grid cage 19 that pore size is 0.5cm is installed in pond or open channel 7, on the supply channel 5 between grid cage 19 and self-priming pump 2, filtrator 20 is installed, then the 5th valve 8 is installed on discharge pipe line 6, and on the discharge pipe line 6 between the 5th valve 8 and self-priming pump 2, diffluence pass is installed, when pipeline connects, mode used is bonding, before bonding, the necessary chamfering of pipe end, the chamfering gradient is 30 °, most advanced and sophisticated thick 1/3 of the tube wall thickness that is about of chamfering, but should not be less than 3mm, bellmouth and pipe end socket part must be used clean-out system wiped clean, with the sand paper below 400 orders by bellmouth and pipe end socket part hacking, even adhesive coating, during insertion, quick inserting is to bottom, suitably be rotated simultaneously, so that tackifier can be evenly distributed, but the anglec of rotation should not be over 90 °, and kept to move for 30 seconds, unnecessary tackifier is wiped clean in time, in order to avoid there is " solvent breaks " phenomenon in use procedure, in addition, between supply channel 5 and self-priming pump 2, self-priming pump 2 is all threaded with the connected mode between discharge pipe line 6, be convenient to install and later period maintenance, when connecting, answer critical point to aim at, must not make the distortion of pipeline generation axial bending, and should not make pipeline too fastening, should allow pipeline because expanding with heat and contract with cold, to have slight movement, in junction, necessarily be fixed, reduce the distortion of pipeline and be subject to the impact of pipeline hydraulic pressure to produce thread looseness, indoor larynx code or the pass of can adopting fastens, if any buried pipeline, should make bottom of trench smooth, must not there is the tip and hard object body of protrusion, soil particle diameter should not be greater than 12mm, can lay if desired thick sand bedding course in bottom of trench, during backfill, should be first with sand bedding course, be filled to pipe upside 300mm place, top, can backfill original soil after compacting, the burying depth of pipeline, the indoor 450mm that is not less than, place, walkway should not be less than 900mm, during outdoor jaywalking, when being less than 1.2m, must add a cover concrete slab, so that Additional Protection to be provided,
D, overflow passage is installed: overflow passage comprises the non-return valve 10 being communicated with successively, the first valve 11, backwash filter 12, the second valve 13, overflow device 14, diffluence pass on the discharge pipe line 6 that non-return valve 10 is made with step c by transparent hose 9 is communicated with, the filter core of backwash filter 12 is the cotton material of PP, economical and practical, also do not change the character of water, the effective silt in filtering water, iron rust, colloid, particulate, the solid impurities such as suspension, there is very good filtering feature, what non-return valve 10 adopted is copper non-return valve, effect is the aqueous reflux preventing in pipeline, connected mode is threaded equally, for convenience detach, between transparent hose 9 and diffluence pass, be also threaded, be convenient to install and later period maintenance, junction will adopt polytetrafluoroethylraw raw material band as sealing filler, anti-sealing is from interface seepage, the caliber of overflow device 14 is larger more than three times than overflow passage, and in the present invention, the caliber of overflow device 14 is
be highly 150mm, bottom connects reducer union, and removable top is installed at top, and top cover center is drilled with
hole, can facilitate the stopple coupon 18 of in-line analyzer to insert sampling, on the sidewall of overflow device 14 apart from 2/3 place, bottom, be provided with overflow vent, overflow vent is communicated with pond or open channel 7 by overflow pipe, overflow pipe and overflow vent are adhesively fixed, what transparent hose and U-PVC pipe junction adopted is copper hose adapter, hose adapter one side is for being threaded, what opposite side adopted is that the striped circle that is provided with protrusion tightens up shell type connection, increased the tightening force of junction, transparent hose is connected and reached the effect that seals and tighten up, so far completed the installation of sampling line,
E, installation backwash filter flushing line: one end of tap water pipe line 15 is communicated with tap water storage device, the other end is communicated with backwash filter 12, and on tap water pipe line 15, connect the 3rd valve 16, then one end of sewage discharge pipeline is communicated with the sewage draining exit of backwash filter 12 bottoms, the other end is communicated with discharge pipe line 6, and on sewage discharge pipeline, connects the 4th valve 17;
F, carry out hydraulic test of pipeline: forbid from fire bureau pressurization, application manual pump slowly pressurizes, and is not less than 10min pressure rising time, rise to after 1.0Mpa, constant 1h, observes joint and has or not drainage; After 1h, again ftercompction, in 15min internal pressure, decline and be no more than 0.05Mpa, show that piping system intensity is qualified, then be down to working pressure and do 24h inspection again, the present invention's self-priming pump used is that power is that 0.75KW, flow are the self-priming centrifugal pump that 2.4L/s, lift are 30m, and the working pressure of corresponding pipeline is 0.2MPa, now each position ne-leakage of total system, flawless, the tightness of piping system is qualified; In pressure testing process, as found, interface leaks, and does in time mark, after pressure release, place under repair, then pressure testing again, until qualified; Off-test, conscientiously fills in hydraulic test of pipeline record, and by construction, management, the personnel of the construction unit confirmation of being signed, formation data, arranges and file,
While carrying out the hydraulic testing, should meet following provisions: for bonding connecting tube, the hydraulic testing should be carried out after completing 24 hours bonding, the mouth of pipe carries out temporary sealing, preventing from testing hydraulic pressure leaks, test pressure is generally 1.5 times of piping system pressure, but must not be less than 0.6Mpa, before the hydraulic testing, pipeline should be fixed, joint Ying Minglu;
G, trial run: after the piping system hydraulic testing is qualified, try out, first the 5th valve 8 on discharge pipe line 6 is opened, the first valve 11 on overflow passage is closed, then start self-priming pump 2, making current enter successively supply channel 5 and discharge pipe line 6 finally returns in pond or open channel 7 and forms circulation waterway, then slowly open the first valve 11, check that whether transparent hose 9 is unobstructed, open overflow device 14 top covers, check overflow liquid level, carry out moderate adjustment, make the interior water level of overflow device 14 remain on overflow vent place, then the stopple coupon of on-line analysis instrument 4 18 is inserted to overflow device 14, be enabled in line analysis instrument 4 and carry out Real-Time Monitoring, contrast with the laboratory result of taking a sample to check on the spot, two results are consistent, if inconsistent, first confirm that laboratory analysis meter measuring accuracy error is little, then laboratory analysis meter is carried out to the test of same point sample tap with on-the-spot in-line analyzer table, if there is difference, illustrate that on-the-spot in-line analyzer measuring error is large, need to calibrate, if do not measure difference, illustrate that detected water sample has problem.
Installation method in the present invention is compared with other routine sampling equipment, and technological process is simple, and easy care particularly, in installation cost problem, is compared less expensive with existing sampling line.In practicality, in maintenance, be mainly divided into three aspects, the one, self-priming pump is safeguarded: 300 yuan of left and right of self-priming pump market value, cheap, easy to maintenance, self-priming pump does not generally need often to take apart maintenance under normal circumstances, when finding to get rid of at any time after fault.During operation, only need input AC220V power supply, the pump housing starts, and carries out water sample circulation; The 2nd, the maintenance of pipeline and pipe fitting: what pipeline adopted is DN25/U-PVC pipe material for water supply, 4 yuan of left and right of market price of 1m, in maintenance, just working time is long, causes valve and pipe fitting wearing and tearing, has the place of leakage change or again polish bonding; The 3rd, backwash filter is safeguarded: what this method adopted is that the paper filter element that does not damage water quality physics filters, and price is one of dozens of yuan namely, but needs cleaning filter core regularly, with anti-clogging.In the present invention, the total cost of sampling line is 1800 yuan, compares with the sampling line that existing cost is 6300 yuan, and cost has greatly reduced.
Claims (9)
1. for an installation method for the online sampling line detecting in real time of on-line analysis instrument, it is characterized in that: described method comprises the following steps:
A, making are also installed self-priming pump support, make sleeve pipe standby, offer the cavity matching with casing diameter standby between analyzing on the body of wall of (1), make supply channel bearing support and discharge pipe line bracing frame standby;
B, self-priming pump (2) is installed on the self-priming pump support of making in step a, and supply channel bearing support and discharge pipe line bracing frame be installed, simultaneously by self-priming pump (2) with analyze between control box (3) in (1) be connected, control box (3) is connected with on-line analysis instrument (4);
C, choose the pipeline of required material, and cut out according to actual needs supply channel (5) and discharge pipe line (6), then pond or open channel (7), supply channel (5), self-priming pump (2), discharge pipe line (6) successively head and the tail are communicated with and form circulation waterway, then at discharge pipe line (6), the 5th valve (8) is above installed, and the upper diffluence pass of installing of the discharge pipe line (6) between the 5th valve (8) and self-priming pump (2);
D, installation overflow passage: overflow passage comprises non-return valve (10), the first valve (11), backwash filter (12), the second valve (13), the overflow device (14) being communicated with successively, diffluence pass on the discharge pipe line (6) that non-return valve (10) is made with step c by transparent hose (9) is communicated with, on the sidewall of overflow device (14) apart from 2/3 place, bottom, be provided with overflow vent, overflow vent is communicated with pond or open channel (7) by overflow pipe, has so far completed the installation of sampling line;
E, installation backwash filter flushing line: one end of tap water pipe line (15) is communicated with tap water storage device, the other end is communicated with backwash filter (12), and at upper the 3rd valve (16) that connects of tap water pipe line (15), then one end of sewage discharge pipeline is communicated with the sewage draining exit of backwash filter (12) bottom, the other end is communicated with discharge pipe line (6), and on sewage discharge pipeline, connects the 4th valve (17);
F, carry out hydraulic test of pipeline: forbid from fire bureau pressurization, application manual pump slowly pressurizes, and is not less than 10min pressure rising time, rise to after 1.0Mpa, constant 1h, observes joint and has or not drainage; After 1h, ftercompction again, declines and to be no more than 0.05Mpa in 15min internal pressure, shows that piping system intensity is qualified, is then down to working pressure, then is 24h and checks, now each position ne-leakage of total system, flawless, and the tightness of piping system is qualified; In pressure testing process, as found, interface leaks, and does in time mark, after pressure release, place under repair, then pressure testing again, until qualified; Off-test, fills in hydraulic test of pipeline record, and formation data arranges and files;
G, trial run: after the piping system hydraulic testing is qualified, try out, first the 5th valve (8) on discharge pipe line (6) is opened, the first valve (11) on overflow passage is closed, then start self-priming pump (2), making current enter successively supply channel (5) and discharge pipe line (6) finally returns and in pond or open channel (7), forms circulation waterway, then slowly open the first valve (11), check that whether transparent hose (9) is unobstructed, open overflow device (14) top cover, check overflow liquid level, carry out moderate adjustment, make the interior water level of overflow device (14) remain on overflow vent place, then the stopple coupon of on-line analysis instrument (4) (18) is inserted to overflow device (14), be enabled in line analysis instrument (4) and carry out Real-Time Monitoring, contrast with the laboratory result of taking a sample to check on the spot, two results are consistent, if inconsistent, first confirm that laboratory analysis meter measuring accuracy error is little, then laboratory analysis meter is carried out to the test of same point sample tap with on-the-spot in-line analyzer table, if there is difference, illustrate that on-the-spot in-line analyzer measuring error is large, need to calibrate, if do not measure difference, illustrate that detected water sample has problem.
2. according to claim 1 a kind of for the online installation method of the sampling line of detection in real time of on-line analysis instrument, it is characterized in that: described step a comprises the following steps:
A1, according to the installation requirement of the physical dimension of self-priming pump framework, self-priming pump and explanation, carry out metal section steel manufacture, self-priming pump support is arranged on to pond or open channel (7) side, and requires self-priming pump support above ground level, so that dismounting;
When a2, making sleeve pipe, casing diameter should be than pipeline diameter large No. two, as needs pipeline heat insulation, and casing diameter should be greater than the thickness that pipeline diameter adds twice insulation material, casing length with analyze between the thickness of wall body of (1) equate, when sleeve pipe is installed, pipeline need be inserted in sleeve pipe, reinstall in the body of wall cavity of (1) between analysis, sleeve pipe should flush with metope, after pipeline installation correction is errorless, carry out the filler jam-pack in gap between body of wall and sleeve pipe, fixed.
3. according to claim 1 a kind of for the online installation method of the sampling line of detection in real time of on-line analysis instrument, it is characterized in that: described step b comprises the following steps:
B1, self-priming pump (2) is placed on self-priming pump support, and carries out level correction, then be fixed;
B2, supply channel bearing support and discharge pipe line bracing frame are installed in self-priming pump (2) both sides.
4. a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument according to claim 1, is characterized in that: the self-priming pump described in step b (2) is that power is that 0.75KW, flow are the self-priming centrifugal pump that 2.4L/s, lift are 30m.
5. according to claim 1 a kind of for the online installation method of the sampling line of detection in real time of on-line analysis instrument, it is characterized in that: described step c is also included in pond or open channel (7) grid cage (19) is installed, and the supply channel (5) between grid cage (19) and self-priming pump (2) is above installed filtrator (20).
6. a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument according to claim 1, is characterized in that: between supply channel in step c (5) and self-priming pump (2), self-priming pump (2) is all threaded with the connected mode between discharge pipe line (6).
7. a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument according to claim 1, is characterized in that: the connected mode between the diffluence pass on the discharge pipe line (6) that the transparent hose described in steps d (9) is made with step c is also threaded.
8. a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument according to claim 1, is characterized in that: described step f should meet following provisions: to bonding connecting tube, the hydraulic testing should be carried out after 24 hours; The mouth of pipe carries out temporary sealing, prevents from testing hydraulic pressure and leaks; Test pressure is generally 1.5 times of piping system pressure, but must not be less than 0.6Mpa; Before the hydraulic testing, pipeline should be fixed, joint Ying Minglu.
9. a kind of installation method for the online sampling line detecting in real time of on-line analysis instrument according to claim 5, is characterized in that: the pore size of described grid cage (19) is 0.5cm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730178A (en) * | 2015-03-13 | 2015-06-24 | 安徽皖仪科技股份有限公司 | Full-automatic online in-situ ion chromatography detecting sampling and feeding device for high pressure water supply pipeline |
| CN111488390A (en) * | 2019-01-25 | 2020-08-04 | 中国石油化工股份有限公司 | Method and apparatus for processing analytical data of sample and machine-readable storage medium |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104730178A (en) * | 2015-03-13 | 2015-06-24 | 安徽皖仪科技股份有限公司 | Full-automatic online in-situ ion chromatography detecting sampling and feeding device for high pressure water supply pipeline |
| CN104730178B (en) * | 2015-03-13 | 2016-10-19 | 安徽皖仪科技股份有限公司 | The online chromatography of ions in situ detection of full-automatic high-pressure water supply line takes, sampling device |
| CN111488390A (en) * | 2019-01-25 | 2020-08-04 | 中国石油化工股份有限公司 | Method and apparatus for processing analytical data of sample and machine-readable storage medium |
| CN114088505A (en) * | 2021-11-18 | 2022-02-25 | 光大水务科技发展（南京）有限公司 | Pretreatment device system of water treatment water quality detection instrument and working method thereof |
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| CN104198749B (en) | 2015-09-09 |
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