CN105414121A - Method for scale removal and coating wall protection of pipeline based on vacuum process and device thereof - Google Patents
Method for scale removal and coating wall protection of pipeline based on vacuum process and device thereof Download PDFInfo
- Publication number
- CN105414121A CN105414121A CN201510719683.0A CN201510719683A CN105414121A CN 105414121 A CN105414121 A CN 105414121A CN 201510719683 A CN201510719683 A CN 201510719683A CN 105414121 A CN105414121 A CN 105414121A
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- CN
- China
- Prior art keywords
- service line
- vacuum
- power source
- scale removal
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
- B05C7/02—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work the liquid or other fluent material being projected
Abstract
The invention provides a method for scale removal and coating wall protection of a pipeline based on a vacuum process and a device thereof. The method comprises the following steps that firstly, the work pipeline is vacuumized to be in a vacuum state through a vacuum pump and then closed through a pipeline closing device, and granular grinding materials are injected into the work pipeline at a high speed through a power source device, so that rust scale is impacted and ground; secondly, after the rust scale is removed, the wall of the pipeline is blown through high-pressure gas to be clean; and thirdly, the work pipeline is vacuumized to be in the vacuum state again, paint is injected into the work pipeline at a high speed through the power source device, and coating is conducted. The method has the characteristics that the construction period is short, energy consumption is low, and the efficiency is high; in addition, compared with the prior art, little construction equipment is needed, and excessive large equipment is not needed.
Description
Technical field
The present invention relates to the service line reparation transformation field that productive life pipe network and enterprise produce collection transmission pipe network field, especially " vacuum method " service line scale removal and film wall protecting method and device thereof.
Background technology
The feed pipe that existing live and work adopts and air supply pipe mostly are galvanized iron conduit, can produce rust deposite, both affect water supply flow, make again water quality degenerate, affect the healthy of people after the use of long period on service line inwall.In order to remove rust deposite in service line, usually adopt at present: 1, Chemical cleaning: Chemical cleaning service line adopts chemical agent, interim transformation is carried out to service line, carries out cyclic chemical cleaning with one-shot job pipeline and water circulating pump station from two of service line.The cleaning agent that traditional chemical method uses easily corrodes service line, and it is residual to have cleaning agent, easy contaminated environment; 2, vibrating method: by vibrating (e.g., knocking service line, ultrasonic wave etc.) to service line, the rust deposite in service line is come off, then with water, service line is rinsed well; 3, the method for mechanical curettage, is generally used for heavy caliber service line, adopts machine tool to be struck off by the rust deposite of knot on service line inwall, rinses the process of rear employing cement mortar retaining wall well with water.
Said method is only process rust deposite, and scale removal difficulty is high, and the required time is long, the water yield for washing and cleaning operation pipeline is large, especially chemical cleaning method, can produce new harm if do not rinsed well by chemical agent, even causing great pollution to environment.Chemical cleaning method, after vibrating method scale removal, can not take retaining wall measure to service line inwall, also can continue to produce rust deposite and corrosion in service line, and the time one is long, and service line just can not normally use.As changed old service line, to resident or unit user, due to pavement of road and building decoration etc. will be destroyed, cause the inconveniences such as life.The method of mechanical curettage after removing rust deposite, although can retaining wall process be carried out to service line inwall, cement mortar thick coating, reduce caliber, reduce the conveyance power of water of service line, and when running into the problems such as service line turning, reducing, cannot solve.
Chinese patent grant number is that ZL02110830.7 name is called that " high pressure gas, the scale removal of water service line and wall protecting method " and license number are called that two patents of " large and medium-sized service line inwall rust removing and contaminant releasing and film anticorrosion method " provide rust removing and contaminant releasing and film anticorrosion method to successfully solve above many difficult problems for ZL200510024090.9 name, through applying for many years, achieve great Social benefit and economic benefit.The Chinese Central Television (CCTV) had once carried out special report to this technology, and peer link is http://kejiao.cntv.cn/C22485/classpage/video/20110427/101120.sh tml.But above-mentioned prior art but faces the huge problem of power source of the difficult problem (more than 500 meters) of small pipe-line (below DN80) long distance construction and heavy-caliber pipeline (more than DN700).
Summary of the invention
The present invention is according to vacuum principle and theory:
1) with vavuum pump, pipeline is pumped into high vacuum or sub-vacuum state, eliminates air drag, in such physical environment, material is almost in and does not have resistant, unremitting motion state, thus can increase exponentially efficiency and reduce power consumption greatly.
2) scientific experiment proves: under earth normality, vacuum pipe establishes a track, put carrying object platform in orbit, if by the thrust of 100N, release this platform, disregard track friction, this platform just goes down (other a shear force is all ignored) with the motion that this speed is eternal.
3) vacuum pipe induction system theoretical velocity can reach speed per hour 22500 kilometers the soonest.
Therefore, in the pipeline of vacuum or sub-vacuum state, abrasive material or coating are under the drive of power source, except the frictional force of inner-walls of duct, air drag is very little, and relative and nature, abrasive material or coating move distance in the duct can significantly become multiple to increase.
The invention provides one " vacuum method " service line scale removal and film wall protecting method, the method adopts vacuum operation pipeline method for cleaning, service line is vacuum state under the effect of vavuum pump, pipeline closed device closes, power source promotes piston and then promotes graininess abrasive material to enter service line, clashes into, grinds rust deposite; After rust deposite removes, then with gases at high pressure, tube wall is blown clean.Add epoxy resin coating in last power source front portion and material adding set, power source promotes piston, is told by epoxy resin coating and injects in vacuum operation pipeline, film.The inventive method has short construction period, energy consumption is low, efficiency is high feature, and compared with the patented technology being ZL02110830.7 with the patent No., construction equipment is few, without the need to too much main equipment.
The invention provides one " vacuum method " service line scale removal and coating method, described method comprises following three steps: step one, service line is vacuum state under the effect of vavuum pump, pipeline closed device closes, graininess abrasive material is injected service line at a high speed by power source, clashes into, grinds rust deposite; Step 2, after rust deposite removes, then blows clean tube wall with gases at high pressure; Step 3, vacuum state again in service line, coating is injected in service line at a high speed by power source, film.
The invention provides one " vacuum method " service line scale removal and coating method, described vacuum state is preferably 10
3-10
5the black vacuum state, 10 of Pa
-1~ 10
3the low vacuum state, 10 of Pa
-6~ 10
-1the high vacuum state, 10 of Pa
-12~ 10
-6the ultra-high vacuum state of Pa or be less than 10
-12the XHV state of below Pa.(this division methods is applicable to this patent.Black vacuum, low vacuum and high vacuum divide according to the value of gas branch mean free path compared with container characteristics size, divides also inconsistent abroad about vacuum area.Along with the development of vacuum technique, vacuum area divides and also changes.)
The invention provides one " vacuum method " service line scale removal and coating method, described pipeline closed device is preferably sucker or air bag, closed when service line is in the state of negative pressure of vacuum, opens when service line internal gas pressure is more than or equal to atmospheric pressure.
The invention provides one " vacuum method " service line scale removal and coating method, described power source is circular tube shaped, its bore is identical with service line bore, described power source comprises front portion, middle part and rear portion, its middle front part is material filling device, and middle part is the Air-tight piston that can move forward and backward, and rear portion is power source, power source described in during work promotes Air-tight piston and advances at utmost speed, and the material high-speed in anterior material filling device is injected service line to be cleaned.
The invention provides one " vacuum method " service line scale removal and coating method, described material filling device adds graininess abrasive material or coating with actual demand in different steps.Described coating is preferably epoxy resin coating.
The invention provides a kind of service line apparatus for eliminating sludge be applied in the scale removal of this service line and wall protecting method, described service line apparatus for eliminating sludge comprises retracting device, pipeline closed device, vacuum machine, negative pressure of vacuum table, power source, wherein said power source is circular tube shaped, bore is identical with service line, and described power source is made up of material adding set, Air-tight piston and power source; During operation, retracting device and pipeline closed device are arranged on one end of service line, two negative pressure of vacuum tables are arranged on the two ends of service line respectively, vacuum machine is arranged between the pipeline closed device negative pressure of vacuum table close with pipeline closed device, and the other end of service line installs power source in the outer end of negative pressure of vacuum table.
Beneficial effect of the present invention is:
(1) " vacuum method " is adopted; under the promotion of the power sources such as gases at high pressure, spring mechanical, electromagnetic pulse, explosive; drive graininess abrasive material that the rust deposite on service line inwall is removed clean; corresponding epoxies anticorrosive paint is coated on inwall equably; form diaphragm; make that service line inwall no longer gets rusty, fouling, forever anticorrosion.
(2) short construction period, energy consumption is low, efficiency is high feature
(3) be called that " high pressure gas, the scale removal of water service line and wall protecting method " and license number are called two patents of " large and medium-sized service line inwall rust removing and contaminant releasing and film anticorrosion method " for ZL200510024090.9 name compared to ZL02110830.7 name, construction equipment is few, without the need to too much main equipment.
Accompanying drawing explanation
Fig. 1 is pipeline closed device schematic diagram;
Fig. 2 is material adding set schematic diagram;
Fig. 3 is the internal structure schematic diagram of power source;
Fig. 4 is concrete structure schematic diagram of the present invention;
Fig. 5 is the inventive method workflow schematic diagram.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described.
Service line sealing device as shown in Figure 1, be made up of rubber slab 1-1, wooden unit 1-2 and handle 1-3, this device is the obturator that a temporal synchronization is closed, temporal synchronization is opened, just service line is sealed from grinding obturator when producing negative pressure in service line, the obturator just instantaneous unlatching when the active force in service line is equal to or greater than atmospheric pressure.This obturator can be made by oneself, also can adopt market finished product (as ball in sucker, air bag, toy etc. for closing and automatically opening vacuum operation pipeline).
Fig. 2 is material adding set schematic diagram, described material adding set is positioned at the front portion of power source, comprise the Rc gas thread 2-1, the material filling chamber 2-2 that are connected with service line, the Air-tight piston that can seesaw is installed in the rear end of material filling chamber 2-2, Air-tight piston rear end is R2 gas thread 2-5, and described R2 gas thread 2-5 is connected with rear portion power source.
Fig. 3 is the internal structure schematic diagram of the power source using explosive as driving force, and it comprises the Rc gas thread 3-2 that explosive is filled chamber 3-1, is connected with R2 gas thread 2-5, blasting fuse hole 3-3.Wherein power source also can be gases at high pressure, spring mechanical, electromagnetic pulse etc.
Fig. 4 is apparatus structure schematic diagram of the present invention, as shown in Figure 4, device of the present invention is made up of pipeline closed device 4-1, vacuum machine 4-2, two negative pressure of vacuum table 4-31 and 4-32, material adding set 4-5, power source 4-6 and retracting device 4-7, and 4-4 is service line.Wherein pipeline closed device 4-1 is arranged on the A end of service line 4-4, its outside is connected with retracting device 4-7, the inboard service line of pipeline closed device 4-1 installs vacuum machine 4-2, that contiguous vacuum machine 4-2 be B end installation negative pressure of vacuum table 4-32, the material adding set 4-5 and power source 4-6 successively of negative pressure of vacuum table 4-31, service line 4-4.
As shown in Figure 5, step one, first carries out disconnected pipe, determines service line 4-4 the inventive method workflow schematic diagram; Secondly, explosive or gases at high pressure, spring mechanical, electromagnetic pulse are arranged on power source 4-6, graininess abrasive material is dosed in the material filling chamber of material adding set 4-5, vacuumize in service line with vacuum machine 4-2, pipeline closed device is closed so that service line is airtight under negative pressure, observe the display data of negative pressure of vacuum table 4-31,4-31, make the air pressure in service line 4-4 reach the vacuum state of setting.Start power source, power source promotes Air-tight piston and travels forward at a high speed, and service line injected by the graininess abrasive material promoted in material adding set.Shock, friction, rust cleaning, scale removal under graininess abrasive material vacuum state in service line.Material adding set constantly forward, makes the pressure in service line constantly increase, and when in pipeline, pressure is greater than atmospheric pressure, pipeline closed device is opened, and open service line, graininess abrasive material enters retracting device 4-7 to carry out discharging, reclaiming.
Step 2, is communicated with air pump by service line, opens air pump, blows clean service line inwall with gases at high pressure.
Step 3, is similar to step one, is added in chamber by the material of material adding set 4-5 and doses coating, be preferably epoxy resin coating.Air-tight piston is promoted at a high speed forward, by paint at service line inwall under the promotion of power source.And the coating on service line inwall is dried up.
Above content is the further description done it in conjunction with structure of the present invention and the course of work, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. " vacuum method " service line scale removal and wall protecting method, it is characterized in that comprising following three steps: step one, service line is vacuum state under the effect of vavuum pump, pipeline closed device closes, graininess abrasive material is injected service line at a high speed by power source, clashes into, grinds rust deposite; Step 2, after rust deposite removes, then blows clean tube wall with gases at high pressure; Step 3, vacuum state again in service line, coating is injected in service line at a high speed by power source, film.
2. service line scale removal as claimed in claim 1 and wall protecting method, it is characterized in that, described vacuum state is 10
3-10
5the black vacuum state, 10 of Pa
-1~ 10
3the low vacuum state, 10 of Pa
-6~ 10
-1the high vacuum state, 10 of Pa
-12~ 10
-6the ultra-high vacuum state of Pa or be less than 10
-12the XHV state of below Pa.
3. service line scale removal as claimed in claim 1 and wall protecting method, it is characterized in that, described pipeline closed device is sucker air bag, toy balloon, closed when service line is in the state of negative pressure of vacuum, opens when service line internal gas pressure is more than or equal to atmospheric pressure.
4. service line scale removal as claimed in claim 3 and wall protecting method, it is characterized in that, described power source is circular tube shaped, its bore is identical with service line bore, and described power source comprises front portion, middle part and rear portion, and its middle front part is material filling device, the Air-tight piston of middle part for moving forward and backward, rear portion is power source, and the power source described in during work promotes Air-tight piston and advances at utmost speed, and the material high-speed in anterior material filling device is injected service line to be cleaned.
5. service line scale removal as claimed in claim 4 and wall protecting method, is characterized in that, described material filling device adds graininess abrasive material or coating with actual demand in different steps.
6. the service line scale removal as described in as arbitrary in claim 5 and wall protecting method, it is characterized in that, described coating is epoxy resin coating.
7. one kind is applied in the service line apparatus for eliminating sludge in the arbitrary described service line scale removal of claim 1-6 and wall protecting method, described service line apparatus for eliminating sludge comprises retracting device, pipeline closed device, vacuum machine, negative pressure of vacuum table, power source, wherein said power source is circular tube shaped, bore is identical with service line, and described power source is made up of material adding set, Air-tight piston and power source; During operation, retracting device and pipeline closed device are arranged on one end of service line, two negative pressure of vacuum tables are arranged on the two ends of service line respectively, vacuum machine is arranged between the pipeline closed device negative pressure of vacuum table close with pipeline closed device, and the other end of service line installs power source in the outer end of negative pressure of vacuum table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719683.0A CN105414121A (en) | 2015-10-30 | 2015-10-30 | Method for scale removal and coating wall protection of pipeline based on vacuum process and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510719683.0A CN105414121A (en) | 2015-10-30 | 2015-10-30 | Method for scale removal and coating wall protection of pipeline based on vacuum process and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105414121A true CN105414121A (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510719683.0A Pending CN105414121A (en) | 2015-10-30 | 2015-10-30 | Method for scale removal and coating wall protection of pipeline based on vacuum process and device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN105414121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772337A (en) * | 2016-04-20 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Heating radiator anti-corrosive treatment device |
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| DE102005006225B3 (en) * | 2005-02-10 | 2006-01-19 | Fachhochschule Lübeck Körperschaft des öffentlichen Rechts | Method for cleaning of incrustated pipelines, especially water mains, involves subjecting heated incrustations in impacting fashion to rough vacuum |
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2015
- 2015-10-30 CN CN201510719683.0A patent/CN105414121A/en active Pending
Patent Citations (6)
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| US5924913A (en) * | 1994-08-29 | 1999-07-20 | Gevi | Process for renovating pipes |
| CN1320487A (en) * | 2000-04-21 | 2001-11-07 | 王筱均 | High-pressure gas method for descaling pipeline and protecting pipeline wall |
| CN2433529Y (en) * | 2000-08-17 | 2001-06-06 | 王筱均 | Pipe descaling and wall protection device using high-pressure gas |
| CN1723359A (en) * | 2002-12-09 | 2006-01-18 | 约尔格·克鲁泽 | Pipe renovating system and method |
| DE102005006225B3 (en) * | 2005-02-10 | 2006-01-19 | Fachhochschule Lübeck Körperschaft des öffentlichen Rechts | Method for cleaning of incrustated pipelines, especially water mains, involves subjecting heated incrustations in impacting fashion to rough vacuum |
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Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105772337A (en) * | 2016-04-20 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Heating radiator anti-corrosive treatment device |
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