CN107520210A - A kind of large tank inner chamber incrustation scale removes construction method - Google Patents
A kind of large tank inner chamber incrustation scale removes construction method Download PDFInfo
- Publication number
- CN107520210A CN107520210A CN201710740713.5A CN201710740713A CN107520210A CN 107520210 A CN107520210 A CN 107520210A CN 201710740713 A CN201710740713 A CN 201710740713A CN 107520210 A CN107520210 A CN 107520210A
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- China
- Prior art keywords
- feedback
- electromagnetic force
- control unit
- inner chamber
- scale
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of large tank inner chamber incrustation scale to remove construction method, completes incrustation scale based on injection apparatus for eliminating sludge and removes work；According to the metallic conduit with scale crust for the metallic conduit of no scale crust, its absorption affinity to calutron can change, the detection of feedback of electromagnetic force value is carried out to the side side wall of band large-scale metal pipeline by EM induction system, so as to determine whether incrustation scale and then scale crust is removed by spraying the injection of spraying system on apparatus for eliminating sludge.
Description
Technical field
The present invention relates to a kind of large tank inner chamber incrustation scale to remove construction method and device.
Background technology
In the industrial production, having many equipment is cooled down with industry water, has been crossed after 1 year, and be cooled equipment
Inner chamber can deposit the thick incrustation scales of one layer of 3~5mm, seriously undermine cooling performance, so the incrustation scale for removing equipment inner chamber is one
Key subjects, removing the method for incrustation scale at present substantially has mechanical removal method, water under high pressure to remove method and chemical agent three kinds of method of removing, shows
So, it is helpless that mechanical removal method and water under high pressure, which remove removing of the method to the remote position incrustation scale in equipment inner chamber, is only used
Chemical agent removes method, but first has to convey the incrustation scale removing machine of chemical agent with chemical agent removing incrustation scale, to realize dynamic circulation
Cleaning, next to that to have a kind of chemical agent and cleaning that can remove scale removal rapidly, but these two aspects is at present all without real
Realize.Mainly still manually enter in large tank to enter the scale crust in large tank by way of spraying chemical reagent
Row sprinkling, and the chemical reagent for being used to clean incrustation scale typically all can be very big to Health Impact.
The content of the invention
For above-mentioned technical problem, the present invention proposes that a kind of large tank inner chamber incrustation scale removes construction method, solves big
Incrustation scale removes difficult and incrustation scale and removes the not high technical problem of automation degree of equipment in type tank body.
In order to realize above-mentioned technical purpose, the present invention uses following concrete technical scheme：
A kind of large tank inner chamber incrustation scale removes construction method, completes incrustation scale based on injection apparatus for eliminating sludge and removes work；
The first step, whole injection apparatus for eliminating sludge is driven into axial location in tank body to be onstructed；
Second step, starting EM induction system, pulling force sensor detects a feedback of electromagnetic force value, and by the feedback of electromagnetic force
Value is sent to control unit；Feedback of electromagnetic force threshold value when being preset with Non-scale layer in a control unit, control unit will detect
Feedback of electromagnetic force value compared with feedback of electromagnetic force threshold value, if feedback of electromagnetic force value is less than feedback of electromagnetic force threshold value, open
Dynamic spraying system carries out scale removal work to tank inner chamber cavity wall；
3rd step, the positioner are used for the position for monitoring the whole injection apparatus for eliminating sludge of measurement in real time, determine itself and active line
Error, when error exceedes permissible value, error is fed back into control unit, drive device is controlled by control unit, with adjustment
The position of whole injection apparatus for eliminating sludge, is located on active line, and meet the requirement of control errors；Meanwhile the Laser Measuring
Monitor the relative position relation between measurement injection target point and tank body axis in real time away from device；
4th step, the feedback of electromagnetic force value that control unit is fed back to when the pulling force sensor detection in EM induction system are equal to institute
When stating feedback of electromagnetic force threshold value in control unit, then control unit control drive device sends the driving instruction of advance；
5th step, after whole device enters new position, circulation performs the step of the first step~the 4th, until injection scale removal operation complete it is whole
Individual tank body；
6th step, implement prune job of the scale removal with injection liquid.
The scale removal is acidic cleaning solution with injection liquid.
The composition percentage by weight of the acid wash liquid is as follows：Hydrochloric acid 5-8 ﹪, clear water 92-95 ﹪, then stirring is equal
It is even, it is heated up to 50-60 DEG C.
6th step includes injection alkaline rinse and the injection sub-steps of clear water two.
The drive device includes track and sets motor-driven carrier in orbit.
Beneficial effect：
The present invention and prior art project, have advantages below：
1st, intelligent sprayed construction is realized.Metal of the present invention according to the metallic conduit with scale crust relative to no scale crust
For pipeline, its absorption affinity to calutron can change, the side side by EM induction system to band large-scale metal pipeline
Wall carries out the detection of feedback of electromagnetic force value, so as to determine whether incrustation scale and then by spraying spraying system on apparatus for eliminating sludge
Injection is removed to scale crust；
Secondly, the present invention position of the whole injection apparatus for eliminating sludge of monitoring measurement in real time, determines itself and work also by positioner
The error of line, when error exceedes permissible value, error is fed back into control unit, drive device is controlled by control unit, to adjust
The position of whole injection apparatus for eliminating sludge, is located on active line, and meet the requirement of control errors；And, pass through laser
Range unit monitors the relative position relation between measurement injection target point and tank body axis in real time, and then judges spraying system
Nozzle position, to adjust in real time.
2nd, efficiency high.The present invention is realized the intelligentized control method of sprayed construction, is reduced sprayed construction using monitoring feedback technique
Operating personnel's quantity, improve sprayed construction efficiency.
Brief description of the drawings
Fig. 1 is that large tank inner chamber of the present invention incrustation scale removes construction method functional block diagram.
Fig. 2 is laser locating apparatus schematic diagram of the present invention.
Wherein, 1 is laser ranging system；2 be the shower nozzle of spraying system；3 be default clean tank inner surface；4 be real-time
Incrustation scale layer surface in tank body.
Embodiment
Embodiment is provided below in conjunction with the accompanying drawings and the present invention is specifically described.It is necessarily pointed out that below
Embodiment is served only for that the invention will be further described, it is impossible to be interpreted as limiting the scope of the invention, the field it is special
Some nonessential modifications and adaptations that industry technical staff makes according to the content of the invention described above, still fall within the protection of the present invention
Scope.
Incrustation scale removing constructing device in large tank inner chamber of the present invention is driven into axial location in tank body to be onstructed,
Set inertial coordinate device.
As shown in figure 1, a kind of large tank inner chamber incrustation scale removes construction method, it is clear to complete incrustation scale based on injection apparatus for eliminating sludge
Except work；
The first step, whole injection apparatus for eliminating sludge is driven into axial location in tank body to be onstructed；
Second step, starting EM induction system, pulling force sensor detects a feedback of electromagnetic force value, and by the feedback of electromagnetic force
Value is sent to control unit；Feedback of electromagnetic force threshold value when being preset with Non-scale layer in a control unit, control unit will detect
Feedback of electromagnetic force value compared with feedback of electromagnetic force threshold value, if feedback of electromagnetic force value is less than feedback of electromagnetic force threshold value, open
Dynamic spraying system carries out scale removal work to tank inner chamber cavity wall；
3rd step, the positioner are used for the position for monitoring the whole injection apparatus for eliminating sludge of measurement in real time, determine itself and active line
Error, when error exceedes permissible value, error is fed back into control unit, drive device is controlled by control unit, with adjustment
The position of whole injection apparatus for eliminating sludge, is located on active line, and meet the requirement of control errors；Meanwhile the Laser Measuring
Monitor the relative position relation between measurement injection target point and tank body axis in real time away from device；
4th step, the feedback of electromagnetic force value that control unit is fed back to when the pulling force sensor detection in EM induction system are equal to institute
When stating feedback of electromagnetic force threshold value in control unit, then control unit control drive device sends the driving instruction of advance；
5th step, after whole device enters new position, circulation performs the step of the first step~the 4th, until injection scale removal operation complete it is whole
Individual tank body；
6th step, implement prune job of the scale removal with injection liquid.
The scale removal is acidic cleaning solution with injection liquid.
The composition percentage by weight of the acid wash liquid is as follows：Hydrochloric acid 5-8 ﹪, clear water 92-95 ﹪, then stirring is equal
It is even, it is heated up to 50-60 DEG C.
6th step includes injection alkaline rinse and the injection sub-steps of clear water two.
The drive device includes track and sets motor-driven carrier in orbit.
The invention also discloses a kind of band large-scale metal tank inner chamber water scale removing device, including：
Control unit, magnetic force induction system, spraying system, positioner, laser ranging system, liquid-supplying system and driving dress
Put, wherein, the magnetic force induction system includes pulling force sensor and electromagnet, and the electromagnet is fixedly installed on whole injection
In the frame of apparatus for eliminating sludge, for producing electromagnetic attraction to band large-scale metal tank body；The pulling force sensor is connected on electromagnet,
Control unit is fed back to for detecting the size of the electromagnetic attraction, and by the electromagnetic attraction value detected；
Described control unit is received and worked according to the size that electromagnetic attraction is detected from pulling force sensor, control spraying system,
Realize the removal to metal can inner chamber scale crust；
The positioner is used for the position for monitoring the whole injection apparatus for eliminating sludge of measurement in real time, determines its error with active line,
When error exceedes permissible value, error is fed back into control unit, drive device is controlled by control unit, to adjust whole injection
The position of apparatus for eliminating sludge, is located on active line, and meets the requirement of control errors；
The laser ranging system is fixed on spraying system, for monitoring in real time between measurement injection target point and tank body axis
Relative position relation.
Claims (5)
1. a kind of large tank inner chamber incrustation scale removes construction method, it is characterised in that it is clear to complete incrustation scale based on injection apparatus for eliminating sludge
Except work；
The first step, whole injection apparatus for eliminating sludge is driven into axial location in tank body to be onstructed；
Second step, starting EM induction system, pulling force sensor detects a feedback of electromagnetic force value, and by the feedback of electromagnetic force
Value is sent to control unit；Feedback of electromagnetic force threshold value when being preset with Non-scale layer in a control unit, control unit will detect
Feedback of electromagnetic force value compared with feedback of electromagnetic force threshold value, if feedback of electromagnetic force value is less than feedback of electromagnetic force threshold value, open
Dynamic spraying system carries out scale removal work to tank inner chamber cavity wall；
3rd step, positioner are used for the position for monitoring the whole injection apparatus for eliminating sludge of measurement in real time, determine its mistake with active line
Difference, when error exceedes permissible value, error is fed back into control unit, drive device is controlled by control unit, it is whole to adjust
The position of apparatus for eliminating sludge is sprayed, is located on active line, and meet the requirement of control errors；Meanwhile laser ranging system is real
When monitoring measurement injection target point and tank body axis between relative position relation；
4th step, the feedback of electromagnetic force value that control unit is fed back to when the pulling force sensor detection in EM induction system are equal to institute
When stating feedback of electromagnetic force threshold value in control unit, then control unit control drive device sends the driving instruction of advance；
5th step, after whole device enters new position, circulation performs the step of the first step~the 4th, until injection scale removal operation complete it is whole
Individual tank body；
6th step, implement prune job of the scale removal with injection liquid.
2. large tank inner chamber according to claim 1 incrustation scale removes construction method, it is characterised in that the scale removal spray
It is acidic cleaning solution to penetrate liquid.
3. large tank inner chamber according to claim 2 incrustation scale removes construction method, it is characterised in that the acid wash liquid
Composition percentage by weight it is as follows：Hydrochloric acid 5-8 ﹪, clear water 92-95 ﹪, then stir, are heated up to 50-60 DEG C.
4. large tank inner chamber according to claim 1 incrustation scale removes construction method, it is characterised in that the 6th step bag
Include injection alkaline rinse and the injection sub-steps of clear water two.
5. large tank inner chamber according to claim 1 incrustation scale removes construction method, it is characterised in that the drive device
Including track and motor-driven carrier in orbit is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740713.5A CN107520210A (en) | 2017-08-25 | 2017-08-25 | A kind of large tank inner chamber incrustation scale removes construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740713.5A CN107520210A (en) | 2017-08-25 | 2017-08-25 | A kind of large tank inner chamber incrustation scale removes construction method |
Publications (1)
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| CN107520210A true CN107520210A (en) | 2017-12-29 |
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| CN201710740713.5A Pending CN107520210A (en) | 2017-08-25 | 2017-08-25 | A kind of large tank inner chamber incrustation scale removes construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433580A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Online oil sludge flushing device and method for storage tank bottom plate |
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| EP1882914A2 (en) * | 2006-07-25 | 2008-01-30 | Sontec Sensorbau GmbH | Method and assembly for determining the presence or status of a medium or a mixture |
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2017
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| CN1048416A (en) * | 1990-07-18 | 1991-01-09 | 湖北省荆门市第一化肥厂 | High-efficiency hydrochloric restrainer industrialized producing technology and device thereof |
| EP1882914A2 (en) * | 2006-07-25 | 2008-01-30 | Sontec Sensorbau GmbH | Method and assembly for determining the presence or status of a medium or a mixture |
| CN101610853A (en) * | 2006-12-19 | 2009-12-23 | 喷洒***公司 | Automatically jar cleans and monitoring device |
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| CN101780656A (en) * | 2009-01-08 | 2010-07-21 | 通用电气公司 | Method for detecting and removing a nitride layer formed on the surface of a steel alloy |
| CN101974971A (en) * | 2010-11-01 | 2011-02-16 | 河海大学 | Full automatic wall facing concrete injection system |
| EP2626148A1 (en) * | 2012-02-13 | 2013-08-14 | Alfa Laval Corporate AB | Monitoring of systems for internal cleaning of containers |
| CN104998848A (en) * | 2014-09-10 | 2015-10-28 | 国家电网公司 | Electrification water washing robot of rail type transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433580A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Online oil sludge flushing device and method for storage tank bottom plate |
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Application publication date: 20171229 |