CN106694457A - Pipe cleaning device and method - Google Patents
Pipe cleaning device and method Download PDFInfo
- Publication number
- CN106694457A CN106694457A CN201611122600.0A CN201611122600A CN106694457A CN 106694457 A CN106694457 A CN 106694457A CN 201611122600 A CN201611122600 A CN 201611122600A CN 106694457 A CN106694457 A CN 106694457A
- Authority
- CN
- China
- Prior art keywords
- cleaned
- pipe
- cleaning
- air compressor
- control valve
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- 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
- B08B9/023—Cleaning the external surface
-
- 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
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
Abstract
The invention relates to a pipe cleaning device and method adopted in the field of pipe cleaning. The cleaning device comprises a cleaning tank, an air compressor and a vacuum pump. An air outlet end opening of the air compressor and a pumping end opening of the vacuum pump are connected with a same pipeline. The pipeline is connected with one or more quick joints used for being connected to one end of a to-be-cleaned pipe in a sealed manner. The air outlet end opening of the air compressor and the pumping end opening of the vacuum pump are each provided with a control valve, wherein the control valves are used for controlling the state of being connected or disconnected with the pipeline. The cleaning method comprises the steps of connecting one end of the to-be-cleaned pipe with the corresponding quick joint, placing the to-be-cleaned pipe into the cleaning tank, and cleaning the outer wall of the to-be-cleaned pipe with a cleaning solution; starting the vacuum pump to pump the to-be-cleaned pipe, so that the to-be-cleaned pipe is filled with the cleaning solution by means of negative pressure; subsequently, switching off the vacuum pump, starting the air compressor, introducing compressed air into the to-be-cleaned pipe, and through expansion of the compressed air, pushing the cleaning solution in the to-be-cleaned pipe to conduct primary cleaning on the inner wall of the to-be-cleaned pipe; and repeating cleaning so that cleaning of the inner wall of the to-be-cleaned pipe can be achieved.
Description
Technical field
It is a kind of can washing apparatus and its cleaning method the present invention relates to pipe cleaning field.
Background technology
The classification in pipe cleaning field is more, and different according to mouth of pipe footpath, the mode of cleaning is also different.It is especially small-bore
Pipe, because caliber is smaller, typically more difficult that cleaning device is directly protruding into inside pipe wall, more is using ultrasonic wave cleaning and high pressure gas
Liquid is cleaned, or coordinates some rotating wash bowl auxiliary for aiding in clean.Although above-mentioned cleaning way can be applied to small-bore pipe, real
Problems are still present in the cleaning process of border.For example：Cleaned using hydraulic pressure, prior art is typically directly to connect pipe to be cleaned
Enter hydraulic pump, cleaning fluid is made by small-bore pipe by hydraulic pump, so as to reach cleaning purpose.But due to the bore of small-bore pipe
It is small, and often length is more long, want cleaning fluid and form scouring effect in pipe, it is necessary to enough pressure, therefore, to hydraulic pump
Equipment requirement is higher.Again for example, prior art also has the technology cleaned using gas-liquid mixed, compared to individually using high pressure liquid
Body cleaning, the effect and efficiency of cleaning can have certain improvement, but still greatly, inlet hydraulic control is more numerous to deposit feed liquor resistance in pipe
Trivial technical problem.Therefore, needing to be improved existing pipe cleaning technique.
The content of the invention
To overcome above-mentioned deficiency, the purpose of the present invention is to provide a kind of can washing apparatus and its cleaning method to this area,
It is set to solve existing similar cleaning device cleaning performance and the not good enough technical problem of efficiency.The purpose is to by following technical solution
Realize.
A kind of can washing apparatus, the cleaning device includes service sink, air compressor, vavuum pump；Its structural feature is
The air outlet of the air compressor is connected same pipeline with the suction ports of vavuum pump, and pipeline connection at least one is used for
It is tightly connected the snap joint of pipe one end to be cleaned, and after snap joint is connected with pipe to be cleaned, both are placed in the service sink
Cleaning fluid in；The air outlet of the air compressor, and the suction ports of vavuum pump are equipped with control and the pipeline
The control valve of conducting, and when one of control valve is opened, another controls valve to close.
In said structure, the service sink is mainly the outer wall of pipe to be cleaned is cleaned；The air compressor is
For being passed through compressed air to pipe to be cleaned；The vavuum pump is for being aspirated to pipe to be cleaned, so that pipe to be cleaned
On the one hand interior generation negative pressure, make pipe to be cleaned realize that imbibition is operated using negative pressure, is on the other hand closing the can washing apparatus
Vavuum pump, when switching to air compressor, is maintained at normal pressure or negative pressure in pipe to be cleaned, treated so as to be conducive to compressed air to be passed through
Mutation expansion is formed in cleaning pipe, the flow velocity and pressure of pipe cleaning liquid inside to be cleaned are improved rapidly, finally improve pipe to be cleaned
Cleaning performance and cleaning efficiency.The control valve, that is, control the switching of the logical liquid of above-mentioned pipe to be cleaned and ventilation.
In said structure, the switch valve that each snap joint of control is independently turned on is provided with the pipeline.By setting
Switch valve, facilitates the exclusive use of each snap joint.
Connect vacuum gas-liquid in said structure, between the vavuum pump and pipeline and separate storage tank, the air compressor with
Compressed air reservoir is connected between pipeline.Storage tank, compressed air reservoir are separated by setting up vacuum gas-liquid, the reliability of work is improved
Property.
The cleaning method of the can washing apparatus is：After pipe one end to be cleaned is docked into the snap joint first, will treat clear
Wash pipe and snap joint is put into the cleaning fluid in the service sink, pipe outer wall to be cleaned is realized by cleaning fluid cleaning；Then
The vavuum pump is opened, pipe to be cleaned is aspirated by vavuum pump, make to be full of cleaning fluid by negative pressure in pipe to be cleaned；Connect down
To close vavuum pump, the air compressor is opened, by air compressor to being passed through compressed air in pipe to be cleaned, using compression
The expansion of air, promotes the cleaning fluid in pipe to be cleaned once to clean inside pipe wall to be cleaned；Repeat the cleaning；Repeating should
Cleaning, to realize the cleaning to inside pipe wall to be cleaned.
Above-mentioned cleaning method compared to existing technology, differs primarily in that the control of overpressure to be cleaned is more reasonable.It is existing
The pipe to be cleaned for having technology is put into corresponding cleaning, because cleaning fluid has pressure in itself, therefore generally more difficult in pipe to be cleaned is reached
To normal pressure or negative pressure, when especially directly using hydraulic pump to pipe fluid injection to be cleaned, easy water accumulation pressure in pipe to be cleaned, when cutting
When shifting to ventilation, because pipe cleaning liquid inside pressure to be cleaned is excessive, and moment is formed to cause compressed air more difficult in pipe to be cleaned
Larger thrust, therefore cleaning performance is undesirable.And the above method then solves the technical problem, using the side of vacuum pumping
Formula, when pipe inherence to be cleaned is switched to ventilation, inside remains at atmospheric or subatmospheric pressures, so that when the logical compression of pipe to be cleaned
Expansion is easier during air and produces thrust, improve the flow velocity and pressure of pipe cleaning liquid inside to be cleaned, reach preferable cleaning performance,
Improve cleaning efficiency.
In above-mentioned can washing apparatus and cleaning method, ultrasonic wave cleaning generator is provided with the service sink, by ultrasound
Ripple cleaning generator carries out ultrasonic wave cleaning to pipe to be cleaned, especially to pipe outer wall to be cleaned, plays more preferable cleaning performance.
In above-mentioned can washing apparatus and cleaning method, the cleaning device includes hydraulic pump, and the output port of hydraulic pump connects
The pipeline is connect, and is provided with corresponding control valve, the input port of hydraulic pump connects the service sink；When the control valve of hydraulic pump
During opening, the vavuum pump and the corresponding control valve of air compressor are closed；The pipe to be cleaned is noted by opening hydraulic pump
Liquid, when at least one section of cleaning fluid is filled in fluid injection to pipe to be cleaned, closes vavuum pump and corresponding control valve, opens the sky
Air compressor and corresponding control valve, compressed air is passed through by air compressor to the pipe to be cleaned, will using compressed air
The cleaning fluid of injection sprays pipe to be cleaned in pipe to be cleaned, realizes once aiding in pipe to be cleaned cleaning with this；Repeat the auxiliary
Cleaning, to complete the cleaning to the inside pipe wall to be cleaned.By the cleaning way, primarily to realizing to the auxiliary of pipe to be cleaned
Cleaning is helped, cleaning performance is further improved.
In above-mentioned can washing apparatus and cleaning method, heater is provided with the service sink, by heater to cleaning fluid
Heating and thermal insulation, the cleaning fluid after heating has preferably activity, is conducive to improving cleaning performance.
Further, the positioning pipe to be cleaned is provided with the service sink, and drives the liter of the pipe lifting to be cleaned
Falling unit；After the completion of cleaning, pipe to be cleaned is promoted to by the disengaging service sink by the lowering or hoisting gear；Now, institute is opened
Air compressor and its control valve are stated, or opens the vavuum pump and its control valve, during using pipe to be cleaned disengaging cleaning fluid
Yu Wen, is cleaned to the inside pipe wall to be cleaned, is air-dried.By the structures and methods, the heat energy of service sink is made full use of, from
And inside pipe wall purging to be cleaned, air-dried efficiency are improved, and hot blast is led to compared to existing technology, operation is more convenient, and save energy.
Simple structure of the present invention, operates with more convenient, cleans low cost, and effect is good, efficiency high, is adapted to all kinds of pipe fittings
The improvement of cleaning, the cleaning of especially suitable small-bore pipe, or similar cleaning device.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is improvement project structural representation of the invention.
Sequence number and entitled in figure：1st, vavuum pump, 2, air compressor, 3, control valve, 4, switch valve, 5, snap joint,
6th, service sink, 7, heater, 8, lowering or hoisting gear, 9, pipe to be cleaned, 10, hydraulic pump.
Specific embodiment
In conjunction with accompanying drawing, to being originally further described.
As shown in figure 1, the can washing apparatus include service sink 6, air compressor 2, vavuum pump 1, air compressor goes out
Gas port is connected same pipeline with the suction ports of vavuum pump, and pipeline connection at least one is used to be tightly connected pipe to be cleaned 9
The snap joint 5 of one end, and the switch valve 4 that each snap joint of control is independently turned on is provided with pipeline.The outlet of air compressor
Port, and the suction ports of vavuum pump are equipped with the control valve 3 that control is turned on pipeline, and when one of control valve is opened
When, another controls valve to close.Ultrasonic wave cleaning generator is provided with above-mentioned service sink（Do not drawn in figure）, heater, liter
Falling unit, because ultrasonic wave cleaning generator, heater 7, lowering or hoisting gear 8 use prior art, therefore do not make to structure in detail
Illustrate, only illustrate the effect for pipe to be cleaned.Wherein ultrasonic wave cleaning generator is mainly used in entering pipe inside and outside wall to be cleaned
Row ultrasonic wave is cleaned, and heater is used for service sink cleaning liquid inside heating and thermal insulation, and lowering or hoisting gear is used to support positioning pipe to be cleaned,
And after the completion of pipe to be cleaned cleaning, pipe to be cleaned lifting is departed from into cleaning fluid.
The cleaning method of the can washing apparatus is：After the one end of pipe to be cleaned 9 is docked into snap joint 5 first, will be to be cleaned
Pipe support is positioned at lowering or hoisting gear 8, is immersed in cleaning fluid pipe to be cleaned and snap joint by lowering or hoisting gear.Then, open
Above-mentioned ultrasonic wave cleans generator and heater 7, and ultrasonic wave cleaning is realized cleaning to pipe outer wall to be cleaned with cleaning fluid.Connect
Get off, open vavuum pump 1 and its control valve 3, pipe to be cleaned is aspirated by vavuum pump, make to form negative pressure in pipe to be cleaned,
And it is full of cleaning fluid by negative pressure；After cleaning fluid is full of in pipe to be cleaned, vavuum pump and its control valve are closed, open air pressure
Contracting machine 2 and its control valve, by air compressor to being passed through compressed air in pipe to be cleaned, are expanded using the mutation of compressed air,
The cleaning fluid in pipe to be cleaned is promoted once to clean inside pipe wall to be cleaned；The cleaning process is repeated, to realize treating clear
Wash the cleaning of inside pipe wall.After the completion of cleaning, pipe to be cleaned and snap joint are promoted to by disengaging cleaning fluid by lowering or hoisting gear,
Air compressor and its control valve are opened, or opens the vavuum pump and its control valve, when departing from cleaning fluid using pipe to be cleaned
Remaining temperature, the inside pipe wall to be cleaned is cleaned, is air-dried.
As shown in Fig. 2 used as above-mentioned improvement project, the cleaning device also includes hydraulic pump 10, the output end of hydraulic pump
Mouth connecting line, and corresponding control valve is provided with, the input port connection service sink 6 of hydraulic pump.When the control valve of hydraulic pump is beaten
When opening, vavuum pump and the corresponding control valve of air compressor are closed.By opening hydraulic pump to pipe fluid injection to be cleaned, when fluid injection extremely
In pipe to be cleaned during filling at least one section of cleaning fluid, vavuum pump and corresponding control valve are closed, open air compressor and correspondence
Control valve, compressed air is passed through to pipe to be cleaned by air compressor, promote what is injected in pipe to be cleaned using compressed air
Cleaning fluid carries out blowing liquid cleaning to inside pipe wall to be cleaned, in this, as the auxiliary cleaning to pipe to be cleaned.Auxiliary cleaning is repeated,
To improve the cleaning performance of the inside pipe wall to be cleaned.
Claims (8)
1. a kind of can washing apparatus, the cleaning device includes service sink（6）, air compressor（2）, vavuum pump（1）；Its feature exists
In the air compressor（2）Air outlet and vavuum pump（1）Suction ports connect same pipeline, the pipeline is connected at least
One is used to be tightly connected pipe to be cleaned（9）The snap joint of one end（5）, and after snap joint is connected with pipe to be cleaned, both
It is placed in the service sink（6）Cleaning fluid in；The air outlet of the air compressor, and the suction ports of vavuum pump are all provided with
There is the control valve that control is turned on the pipeline（3）, and when one of control valve is opened, another controls valve to close.
2. can washing apparatus according to claim 1, it is characterised in that be provided with that control is each described quickly to be connect in the pipeline
Head（5）The switch valve of independent conducting（4）.
3. can washing apparatus according to claim 1, it is characterised in that the vavuum pump（1）Vacuum is connected between pipeline
Gas-liquid separation storage tank, the air compressor（2）Compressed air reservoir is connected between pipeline.
4. a kind of cleaning method of can washing apparatus as claimed in claim 1, it is characterised in that first by pipe to be cleaned（9）One
The end docking snap joint（5）Afterwards, pipe to be cleaned and snap joint are put into the service sink（6）In interior cleaning fluid, by
Cleaning fluid is realized cleaning to pipe outer wall to be cleaned；It is then turned on the vavuum pump（1）, pipe to be cleaned is taken out by vavuum pump
Inhale, make to be full of cleaning fluid by negative pressure in pipe to be cleaned；Then off vavuum pump, opens the air compressor（2）, by sky
Air compressor, using the expansion of compressed air, promotes the cleaning fluid pair in pipe to be cleaned to being passed through compressed air in pipe to be cleaned
Inside pipe wall to be cleaned is once cleaned；The cleaning is repeated, to realize the cleaning to inside pipe wall to be cleaned.
5. the cleaning method of can washing apparatus according to claim 4, it is characterised in that the service sink（6）Inside it is provided with super
Sound wave cleans generator, and generator is cleaned to pipe to be cleaned by ultrasonic wave（9）Carry out ultrasonic wave cleaning.
6. the cleaning method of can washing apparatus according to claim 4, it is characterised in that the cleaning device includes hydraulic pressure
Pump（10）, the output port of hydraulic pump connects the pipeline, and is provided with corresponding control valve（3）, the input port company of hydraulic pump
Connect the service sink（6）；When the control valve of hydraulic pump is opened, the vavuum pump（1）And air compressor（2）Corresponding control
Valve is closed；By opening hydraulic pump to the pipe fluid injection to be cleaned, when filling at least one section cleaning fluid in fluid injection to pipe to be cleaned
When, vavuum pump and corresponding control valve are closed, the air compressor and corresponding control valve are opened, by air compressor to institute
State pipe to be cleaned and be passed through compressed air, the cleaning fluid that will be injected in pipe to be cleaned using compressed air sprays pipe to be cleaned, with this
Realize once aiding in pipe to be cleaned cleaning；Auxiliary cleaning is repeated, is cleaned with the auxiliary completed to the inside pipe wall to be cleaned.
7. the cleaning method of the can washing apparatus according to claim 4 or 6, it is characterised in that the service sink（6）Inside set
Having heaters（7）, by heater to cleaning fluid heating and thermal insulation.
8. the cleaning method of can washing apparatus according to claim 7, it is characterised in that the service sink（6）Inside it is provided with fixed
The position pipe to be cleaned（9）, and drive the lowering or hoisting gear of the pipe lifting to be cleaned（8）；After the completion of cleaning, by the lifting
Pipe to be cleaned is promoted to the disengaging service sink by device；Now, the air compressor is opened（2）And its control valve（3）, or
Open the vavuum pump（1）And its control valve, remaining temperature during cleaning fluid is departed from using pipe to be cleaned, to the inside pipe wall to be cleaned
Cleaned, air-dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122600.0A CN106694457B (en) | 2016-12-08 | 2016-12-08 | Can washing apparatus and its cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122600.0A CN106694457B (en) | 2016-12-08 | 2016-12-08 | Can washing apparatus and its cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694457A true CN106694457A (en) | 2017-05-24 |
| CN106694457B CN106694457B (en) | 2019-10-11 |
Family
ID=58936460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611122600.0A Active CN106694457B (en) | 2016-12-08 | 2016-12-08 | Can washing apparatus and its cleaning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106694457B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159656A (en) * | 2017-07-06 | 2017-09-15 | 徐工集团工程机械有限公司 | Pipeline washing device, method and concrete conveying equipment |
| CN107900037A (en) * | 2017-10-16 | 2018-04-13 | 安徽工程大学 | A kind of high molecular material pipe structure multistation cleaning device |
| CN109420649A (en) * | 2017-09-04 | 2019-03-05 | 中国中元国际工程有限公司 | The two phase flow cleaning method of internal channel |
| CN109465254A (en) * | 2018-11-12 | 2019-03-15 | 天津天绿健科技有限公司 | A kind of residual water water treatment facilities of water quality detection pipeline |
| CN110116120A (en) * | 2019-04-23 | 2019-08-13 | 佛山市妇幼保健院 | A kind of cleaning sterilizing device of rubber bulb |
| CN110125103A (en) * | 2019-06-03 | 2019-08-16 | 贵州省材料产业技术研究院 | For the scaler system and its application method of system to be filtered by vacuum |
| CN110185134A (en) * | 2019-06-28 | 2019-08-30 | 周书香 | A kind of gardens blowdown irrigation canals and ditches flushing device being pressurized with water storage |
| CN112756339A (en) * | 2020-12-29 | 2021-05-07 | 杭州中欣晶圆半导体股份有限公司 | Cleaning machine structure for improving cleaning capability of LPCVD part and cleaning method thereof |
| CN113020141A (en) * | 2021-01-27 | 2021-06-25 | 启东集胜造船有限公司 | Efficient chemical residual liquid removing process for stainless steel chemical ship infusion tube |
| CN114643240A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Cleaning system, sample analyzer and cleaning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159656A (en) * | 2017-07-06 | 2017-09-15 | 徐工集团工程机械有限公司 | Pipeline washing device, method and concrete conveying equipment |
| CN109420649A (en) * | 2017-09-04 | 2019-03-05 | 中国中元国际工程有限公司 | The two phase flow cleaning method of internal channel |
| CN107900037B (en) * | 2017-10-16 | 2021-05-28 | 安徽工程大学 | Multistation belt cleaning device is used to macromolecular material body structure |
| CN107900037A (en) * | 2017-10-16 | 2018-04-13 | 安徽工程大学 | A kind of high molecular material pipe structure multistation cleaning device |
| CN109465254A (en) * | 2018-11-12 | 2019-03-15 | 天津天绿健科技有限公司 | A kind of residual water water treatment facilities of water quality detection pipeline |
| CN110116120A (en) * | 2019-04-23 | 2019-08-13 | 佛山市妇幼保健院 | A kind of cleaning sterilizing device of rubber bulb |
| CN110116120B (en) * | 2019-04-23 | 2024-01-09 | 佛山市妇幼保健院 | Cleaning and sterilizing device for rubber suction balls |
| CN110125103A (en) * | 2019-06-03 | 2019-08-16 | 贵州省材料产业技术研究院 | For the scaler system and its application method of system to be filtered by vacuum |
| CN110125103B (en) * | 2019-06-03 | 2024-04-09 | 贵州省材料产业技术研究院 | Descaling system for vacuum filtration system and use method thereof |
| CN110185134A (en) * | 2019-06-28 | 2019-08-30 | 周书香 | A kind of gardens blowdown irrigation canals and ditches flushing device being pressurized with water storage |
| CN110185134B (en) * | 2019-06-28 | 2020-11-17 | 东阳市晖宏环境工程有限公司 | Garden sewage drainage ditch flushing device utilizing water storage and pressurization |
| CN114643240A (en) * | 2020-12-18 | 2022-06-21 | 深圳市帝迈生物技术有限公司 | Cleaning system, sample analyzer and cleaning method |
| CN112756339A (en) * | 2020-12-29 | 2021-05-07 | 杭州中欣晶圆半导体股份有限公司 | Cleaning machine structure for improving cleaning capability of LPCVD part and cleaning method thereof |
| CN112756339B (en) * | 2020-12-29 | 2021-11-16 | 杭州中欣晶圆半导体股份有限公司 | Cleaning machine structure for improving cleaning capability of LPCVD part and cleaning method thereof |
| CN113020141A (en) * | 2021-01-27 | 2021-06-25 | 启东集胜造船有限公司 | Efficient chemical residual liquid removing process for stainless steel chemical ship infusion tube |
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| CN106694457B (en) | 2019-10-11 |
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