CN110923731A - Water jacket pickling device and water jacket pickling method - Google Patents
Water jacket pickling device and water jacket pickling method Download PDFInfo
- Publication number
- CN110923731A CN110923731A CN201911115000.5A CN201911115000A CN110923731A CN 110923731 A CN110923731 A CN 110923731A CN 201911115000 A CN201911115000 A CN 201911115000A CN 110923731 A CN110923731 A CN 110923731A
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- China
- Prior art keywords
- water jacket
- hydrochloric acid
- dilute hydrochloric
- funnel
- hand pump
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Abstract
The invention relates to the technical field of diffusion pumps, in particular to a water jacket pickling device and a water jacket pickling method. The invention has reasonable and compact structure and convenient use, utilizes the dilute hydrochloric acid to clean scale generated in the water jacket of the diffusion pump, has safe and quick cleaning mode and good effect, can save manpower and resources, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Description
Technical Field
The invention relates to the technical field of diffusion pumps, in particular to a water jacket pickling device and a water jacket pickling method.
Background
The diffusion pump is one of the most extensive and main tools for obtaining high vacuum at present, the diffusion pump is a secondary pump, a mechanical pump is required to be used as a pre-pump, oil in the diffusion pump generates a large amount of oil vapor when being heated to boiling temperature in vacuum, the oil vapor is directionally ejected at high speed from nozzles at all stages through a flow guide pipe, since the partial pressure of the evacuated gas near the inlet of the diffusion pump is higher than the partial pressure of the gas in the dry vapor stream, thus, the molecules of the pumped gas move along the steam direction at high speed, the gas molecules collide with the pump wall and are reflected back, then the gas molecules collide with the steam flow and flow to the pump wall along the steam flow direction again, after several collisions, gas molecules are compressed to a low vacuum end, then the vapor sprayed out from a lower-level nozzle is subjected to multi-stage compression through vapor inlet, and finally the vapor is pumped away by a backing pump, the oil vapor is condensed on the cooled pump wall and then returns to the lower layer for reheating, and the circulation work is carried out to achieve the purpose of air extraction.
In the use process of the diffusion pump, heating and cooling are power for forming circulation between high-speed steam jet flow and oil liquid, steam condensation is not timely due to insufficient cooling, oil steam and gas separation are affected, and therefore the vacuum degree of the diffusion pump is affected. When the diffusion pump adopts the water jacket to cool off, through using for a long time, the incrustation scale is produced easily to the water jacket, influences heat transfer effect, and traditional manual cleaning water jacket has the problem that wastes time and energy, inefficiency, safe risk are big.
Disclosure of Invention
The invention provides a water jacket pickling device and a water jacket pickling method, overcomes the defects of the prior art, and can effectively solve the problems that the existing diffusion pump water jacket scales in the long-term use process, so that the heat exchange effect is poor, and the traditional manual water jacket cleaning method wastes time and labor, has low efficiency and is high in safety risk.
One of the technical schemes of the invention is realized by the following measures: the utility model provides a water jacket pickling device, including the water jacket, the funnel, hand pump, the solution bucket, water jacket lower part export has ejection of compact pipeline with the fixed intercommunication of solution bucket import, be equipped with headstock gear on the ejection of compact pipeline, the fixed intercommunication has hand pump feeding pipeline between solution bucket export and the hand pump bottom import, hand pump feeding pipeline import stretches into in the solution bucket, the fixed intercommunication has funnel feeding pipeline between hand pump top export and the import of funnel top, the fixed intercommunication has water jacket feeding pipeline between funnel bottom export and the import of water jacket upper portion, solution bucket lower part is equipped with the filter screen, ejection of compact pipeline's lower extreme is located the filter screen below.
The following is a further optimization or/and improvement of one of the above-mentioned technical solutions of the invention:
the discharging pipeline is a plastic hose, and a detachable pipe clamp is arranged on the discharging pipeline.
And a valve is fixedly arranged on the discharge pipe line.
The lower part of the solution barrel is provided with a filter screen, and the lower end of the discharge pipeline is positioned below the filter screen.
The inlet of the feeding pipeline of the hand pump is positioned above the filter screen.
The funnel is a plastic funnel.
The second technical scheme of the invention is realized by the following measures: a water jacket pickling method of a water jacket pickling device is carried out according to the following method: the method comprises the steps of firstly closing an opening and closing device of a discharge pipeline, pumping dilute hydrochloric acid in a solution barrel into a funnel by a hand pump through a hand pump feeding pipeline and a funnel feeding pipeline, enabling the dilute hydrochloric acid in the funnel to enter a water jacket through a water jacket feeding pipeline, stopping the hand pump when the water jacket is filled with the dilute hydrochloric acid, cleaning scales in the water jacket by using the dilute hydrochloric acid, opening the opening and closing device after cleaning is finished, enabling the scales cleaned in the water jacket to flow into the solution barrel along with the dilute hydrochloric acid, repeating the operation for a plurality of times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket until the contrast between the dilute hydrochloric acid flowing out of the discharge pipeline and the dilute hydrochloric acid entering the hand pump feeding pipeline has no obvious color difference, and stopping.
The third technical scheme of the invention is realized by the following measures: a water jacket pickling method of a water jacket pickling device is carried out according to the following method: the method comprises the steps of firstly opening an opening and closing device of a discharge pipeline, pumping dilute hydrochloric acid in a solution barrel into a funnel by a hand pump through a hand pump feeding pipeline and a funnel feeding pipeline, enabling the dilute hydrochloric acid in the funnel to enter a water jacket through a water jacket feeding pipeline, cleaning scale in the water jacket by using the dilute hydrochloric acid, enabling the cleaned scale in the water jacket to flow into the solution barrel along with the dilute hydrochloric acid, repeating the operation for multiple times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket until the contrast between the dilute hydrochloric acid flowing out of the discharge pipeline and the dilute hydrochloric acid entering the hand pump feeding pipeline has no obvious color difference, and stopping cleaning.
The invention has reasonable and compact structure and convenient use, utilizes the dilute hydrochloric acid to clean scale generated in the water jacket of the diffusion pump, has safe and quick cleaning mode and good effect, can save manpower and resources, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is a schematic connection diagram of the present invention.
The codes in the figures are respectively: 1 is the water jacket, 2 is the funnel, 3 is the hand pump, 4 is the solution bucket, 5 is ejection of compact pipeline, 6 is hand pump feeding pipeline, 7 is funnel feeding pipeline, 8 is water jacket feeding pipeline, 9 is the valve, 10 is the filter screen.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
example 1: as shown in the attached drawing 1, the water jacket pickling device comprises a water jacket 1, a funnel 2, a hand pump 3 and a solution barrel 4, wherein a discharge pipeline 5 is fixedly communicated with an outlet at the lower part of the water jacket 1 and an inlet of the solution barrel 4, an opening and closing device is arranged on the discharge pipeline 5, a hand pump feeding pipeline 6 is fixedly communicated between an outlet of the solution barrel 4 and an inlet at the bottom of the hand pump 3, an inlet of the hand pump feeding pipeline 6 extends into the solution barrel 4, a funnel feeding pipeline 7 is fixedly communicated between an outlet at the top of the hand pump 3 and an inlet at the top of the funnel 2, a water jacket feeding pipeline 8 is fixedly communicated between an outlet at the bottom of the funnel 2 and an inlet at the upper part of the water jacket 1, a filter screen 10 is arranged at.
In the prior art, the water jacket 1 of the diffusion pump runs for a long time, so that the water jacket 1 is scaled, and the traditional method adopts manual cleaning, so that the cleaning efficiency is low and the safety risk is high; in the invention, the simple water jacket pickling device is utilized, and the water jacket 1 is cleaned by using 5 to 15 percent of dilute hydrochloric acid, so that the operation is simple, the resource is saved, and the method is safe and effective. The filter screen 10 prevents the scale deposit at the bottom of the solution tank 4 from floating upward.
The water jacket pickling device can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, as the optimization of the above embodiment, the discharge pipeline 5 is a plastic hose which is convenient to mount and dismount, and the discharge pipeline 5 is provided with a detachable pipe clamp. The opening and closing device is a pipe clamp, and the pipe clamp can be used for clamping the discharge pipeline 5 to control the flow of liquid in the discharge pipeline 5.
As shown in fig. 1, as an optimization of the above embodiment, a valve 9 is fixedly installed on the discharging pipeline 5. The opening and closing device is a valve 9 which can conveniently open and close the discharging pipeline 5.
As shown in fig. 1, the inlet of the hand pump feed line 6 is located above the screen 10 as an optimization of the above embodiment. The screen 10 ensures that the solution entering the hand pump feed line 6 is free of scale.
As shown in fig. 1, the funnel 2 is preferably a plastic funnel as in the above embodiment. The plastic funnel has small volume, light weight and safety and corrosion resistance.
Example 2: as shown in the attached figure 1, the water jacket pickling method of the water jacket pickling device is carried out according to the following method: firstly, closing an opening and closing device of a discharge pipeline 5, pumping dilute hydrochloric acid in a solution barrel 4 into a funnel 2 through a hand pump feeding pipeline 6 and a funnel feeding pipeline 7 by using a hand pump 3, enabling the dilute hydrochloric acid in the funnel 2 to enter a water jacket 1 through a water jacket feeding pipeline 8, stopping the hand pump 3 when the water jacket 1 is filled with the dilute hydrochloric acid, cleaning scales in the water jacket 1 by using the dilute hydrochloric acid, opening the opening and closing device after cleaning is finished, enabling the scales cleaned in the water jacket 1 to flow into the solution barrel 4 along with the dilute hydrochloric acid, repeating the above operations for multiple times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket 1 until the difference between the dilute hydrochloric acid flowing out of the discharge pipeline 5 and the dilute hydrochloric acid entering the hand pump feeding pipeline 6 is not obvious, and stopping cleaning.
Example 3: as shown in the attached figure 1, the water jacket pickling method of the water jacket pickling device is carried out according to the following method: firstly, opening an opening and closing device of a discharge pipeline 5, pumping dilute hydrochloric acid in a solution barrel 4 into a funnel 2 by a hand pump 3 through a hand pump feeding pipeline 6 and a funnel feeding pipeline 7, enabling the dilute hydrochloric acid in the funnel 2 to enter a water jacket 1 through a water jacket feeding pipeline 8, cleaning scales in the water jacket 1 by using the dilute hydrochloric acid, enabling the scales cleaned in the water jacket 1 to flow into the solution barrel 4 along with the dilute hydrochloric acid, repeating the operation for a plurality of times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket 1 until the contrast between the dilute hydrochloric acid flowing out of the discharge pipeline 5 and the dilute hydrochloric acid entering the hand pump feeding pipeline 6 has no obvious color difference, and stopping cleaning.
In conclusion, the water scale cleaning device has the advantages of reasonable and compact structure and convenient use, utilizes the dilute hydrochloric acid to clean the water scale generated in the water jacket of the diffusion pump, has safe and quick cleaning mode and good effect, can save manpower and resources, and has the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (8)
1. The utility model provides a water jacket pickling device, its characterized in that includes the water jacket, the funnel, hand pump, the solution bucket, water jacket lower part export and the fixed intercommunication of solution bucket import have discharging pipe line, be equipped with headstock gear on discharging pipe line, it has hand pump feeding pipeline to be fixed the intercommunication between solution bucket export and the hand pump bottom import, hand pump feeding pipeline import stretches into in the solution bucket, it has funnel feeding pipeline to be fixed the intercommunication between hand pump top export and the import of funnel top, it has water jacket feeding pipeline to be fixed the intercommunication between funnel bottom export and the import of water jacket upper portion, solution bucket lower part is equipped with the filter screen, discharging pipe's lower extreme is located the filter screen below.
2. The water jacket pickling apparatus according to claim 1, wherein the discharge line is a plastic hose and is provided with a detachable pipe clamp.
3. The water jacket pickling apparatus according to claim 1, wherein a valve is fixedly attached to a tapping line.
4. The water jacket pickling apparatus according to claim 1, 2 or 3, wherein the inlet of the feed line of the hand pump is located above the strainer.
5. The water jacket pickling apparatus according to claim 1, 2 or 3, characterized in that the funnel is a plastic funnel.
6. The water jacket pickling apparatus according to claim 4, wherein the funnel is a plastic funnel.
7. A water jacket pickling method using the water jacket pickling apparatus according to any one of claims 1 to 6, characterized by being carried out in accordance with the following method: the method comprises the steps of firstly closing an opening and closing device of a discharge pipeline, pumping dilute hydrochloric acid in a solution barrel into a funnel by a hand pump through a hand pump feeding pipeline and a funnel feeding pipeline, enabling the dilute hydrochloric acid in the funnel to enter a water jacket through a water jacket feeding pipeline, stopping the hand pump when the water jacket is filled with the dilute hydrochloric acid, cleaning scales in the water jacket by using the dilute hydrochloric acid, opening the opening and closing device after cleaning is finished, enabling the scales cleaned in the water jacket to flow into the solution barrel along with the dilute hydrochloric acid, repeating the operation for a plurality of times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket until the contrast between the dilute hydrochloric acid flowing out of the discharge pipeline and the dilute hydrochloric acid entering the hand pump feeding pipeline has no obvious color difference, and stopping.
8. A water jacket pickling method using the water jacket pickling apparatus according to any one of claims 1 to 6, characterized by being carried out in accordance with the following method: the method comprises the steps of firstly opening an opening and closing device of a discharge pipeline, pumping dilute hydrochloric acid in a solution barrel into a funnel by a hand pump through a hand pump feeding pipeline and a funnel feeding pipeline, enabling the dilute hydrochloric acid in the funnel to enter a water jacket through a water jacket feeding pipeline, cleaning scale in the water jacket by using the dilute hydrochloric acid, enabling the cleaned scale in the water jacket to flow into the solution barrel along with the dilute hydrochloric acid, repeating the operation for multiple times, continuously and circularly cleaning the dilute hydrochloric acid in the water jacket until the contrast between the dilute hydrochloric acid flowing out of the discharge pipeline and the dilute hydrochloric acid entering the hand pump feeding pipeline has no obvious color difference, and stopping cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115000.5A CN110923731A (en) | 2019-11-14 | 2019-11-14 | Water jacket pickling device and water jacket pickling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115000.5A CN110923731A (en) | 2019-11-14 | 2019-11-14 | Water jacket pickling device and water jacket pickling method |
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| Publication Number | Publication Date |
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| CN110923731A true CN110923731A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911115000.5A Pending CN110923731A (en) | 2019-11-14 | 2019-11-14 | Water jacket pickling device and water jacket pickling method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8323514B2 (en) * | 2009-03-18 | 2012-12-04 | Xylem Water Solutions Zelienople Llc | Method and system for cleaning filter media support structures |
| CN209430502U (en) * | 2019-01-31 | 2019-09-24 | 日照钢铁控股集团有限公司 | A kind of water pump self-stripping unit |
-
2019
- 2019-11-14 CN CN201911115000.5A patent/CN110923731A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8323514B2 (en) * | 2009-03-18 | 2012-12-04 | Xylem Water Solutions Zelienople Llc | Method and system for cleaning filter media support structures |
| CN209430502U (en) * | 2019-01-31 | 2019-09-24 | 日照钢铁控股集团有限公司 | A kind of water pump self-stripping unit |
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Application publication date: 20200327 |
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