CN101575710A - Chemical cleaning system - Google Patents
Chemical cleaning system Download PDFInfo
- Publication number
- CN101575710A CN101575710A CNA2009100874847A CN200910087484A CN101575710A CN 101575710 A CN101575710 A CN 101575710A CN A2009100874847 A CNA2009100874847 A CN A2009100874847A CN 200910087484 A CN200910087484 A CN 200910087484A CN 101575710 A CN101575710 A CN 101575710A
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- Prior art keywords
- chemical cleaning
- scavenging solution
- cleaning system
- cleaned
- steam
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a chemical cleaning system which comprises a chemical hood, wherein a heating sleeve pipe is arranged between the chemical hood and a device to be cleaned and comprises an inner pipe and an outer pipe which are embedded together, wherein the inner pipe is used for delivering cleaning liquid and the outer pipe is used for delivering steam. As the heating sleeve pipe is arranged outside the chemical hood, the cleaning liquid can be heated outside the chemical hood, the circulating return flow cleaning liquid after the cleaning process does not make corrosion to the hood wall generally due to the reduced temperature, the service life of the chemical hood is prolonged and the damage caused by the leakage of the cleaning liquid due to the corrosion of the hood wall is overcome.
Description
Technical field
The present invention relates to control gold, chemical field, particularly relate to a kind of chemical cleaning system of heated wash liquid.
Background technology
In matting process, often adopt high-temperature high concentration alkali lye as scavenging solution to groove jar or pipeline.The heating unit that available technology adopting is provided with in the matting groove heats alkali lye, and the Heating temperature of alkali lye is about 105 ℃.As shown in Figure 1, pyritous steam enters tube bank 3 by steam inlet 1 and steam loop 2 will restrain 3 heating, and the water of condensation of Chan Shenging is discharged through condensation-water drain 5 by water of condensation endless tube 4 afterwards.Because heating tube bundle 3 is circular layout along cell wall, heat is to transmit from outside to inside, the alkali lye in the heated wash groove.Consider the factor of thermograde, want the temperature near groove center is heated to 105 ℃, just must improve the tube bank Heating temperature and can accomplish that just so, the Heating temperature of close cell wall reaches about 110 ℃ just considerably beyond 105 ℃.Because very serious to the corrosion of cell wall steel plate such as the scavenging solution of high-temperature, high-concentration alkali liquor, trough is caused leakage because corrode for a long time, the scavenging solution that spills has all caused great harm to the person, equipment, environment.
Summary of the invention
The purpose of this invention is to provide a kind of chemical cleaning system and method, a kind of chemical cleaning system and method that can heat scavenging solution outside the matting groove particularly is provided.
For achieving the above object, a kind of chemical cleaning system according to embodiment of the present invention is provided, it comprises matting groove and equipment to be cleaned, between described matting groove and described equipment to be cleaned, be provided with heating muff, described sleeve pipe is made up of the interior pipe and the outer tube that nest together, pipe is used to carry scavenging solution in described, and described outer tube is used for delivering vapor.
Preferably, also be provided with conduit between described matting groove and the equipment to be cleaned, be used to make scavenging solution after cleaning finishes, to be back to the matting groove.
Preferably, the temperature of described steam is 133 ℃-158 ℃.
Preferably, the pressure of described steam is 0.3MPa-0.6MPa.
Preferably, described heating-surface area is 30m
2
Preferably, the interior pipe of described heating muff is a plurality of.
For achieving the above object, a kind of chemical cleaning method according to embodiment of the present invention is provided, described method comprises step:
S1 is delivered to the interior pipe of heating muff with the scavenging solution in the matting groove, feeds steam in the outer tube of heating muff described scavenging solution is heated;
S2 is transported to equipment to be cleaned through the scavenging solution that heats it is cleaned;
S3, the scavenging solution after the cleaning is back to the matting groove.
Preferably, the temperature of described steam is 133 ℃-158 ℃.
Preferably, the pressure of described steam is 0.3MPa-0.6MPa.
The present invention is by being provided with heating muff outside the matting groove, make scavenging solution outside rinse bath, be heated, treating cleaning equipment with the scavenging solution after the heating cleans, the rinse liquid temperature that cleaning process finishes the back pump around circuit reduces, therefore generally can not cause excessive corrosion to cell wall, thereby prolonged the work-ing life of matting groove, and overcome the harm that cell wall causes the scavenging solution leakage owing to corrosion.
Description of drawings
Fig. 1 is the groove inner heating device structural representation of prior art matting equipment;
Fig. 2 is the one-piece construction synoptic diagram according to the chemical cleaning system of embodiment of the present invention.
Wherein, 1: steam inlet; 2: steam loop; 3: tube bank; 4: the water of condensation endless tube; 5: condensation-water drain; 6: the matting groove; 7: equipment to be cleaned; 8: heating muff; 9: conduit.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 2, the invention provides a kind of chemical cleaning system, this system comprises matting groove 6 and equipment to be cleaned 7, is provided with heating muff 8 between matting groove 6 and equipment to be cleaned 7.Heating muff 8 is made up of the interior pipe and the outer tube that nest together, and described interior pipe is used to carry scavenging solution, and described outer tube is used for delivering vapor.Also be provided with conduit 9 between matting groove 6 and the equipment to be cleaned 7, be used to make scavenging solution after cleaning finishes, to be back to the matting groove.Preferably, the interior pipe of described heating muff is a plurality of, such as 3-7.
When needs heated wash liquid when cleaning equipment 7 to be cleaned, with valve open, the scavenging solutions in the matting groove 6 enter the interior pipe of heating muff 8, feed high-temperature steam by steam inlet 1 in the outer tube of heating muff 8 described scavenging solution is heated.The temperature of steam is preferably 133 ℃-158 ℃, and the pressure of steam is preferably 0.3MPa-0.6MPa, and the heating-surface area in the heating muff is preferably 30m
2Described scavenging solution is preferably high-concentration alkali liquor (mass percent 40-50%), and alkali lye can be heated to about 105 ℃.Scavenging solution after the heating is delivered to equipment 7 to be cleaned so that it is cleaned.After cleaning finished, scavenging solution was back to matting groove 6 by conduit 9.With the alkali lye that is heated to about 105 ℃ is example, and its reflux temperature generally between 80 ℃-90 ℃, can not cause corrosion to cell wall.
Preferably, steam inlet 1 is arranged on the side of heating muff 8 near equipment 7 to be cleaned, condensation-water drain 5 is arranged on the side of heating muff 8 near matting groove 6, high-temperature steam flows to condensation-water drain 5 from steam inlet 1 like this, the thermograde that forms just in time with matting groove 6 in the gradient that heats up of effusive scavenging solution coincide, the rinse liquid temperature that is about to enter equipment 7 to be cleaned is the highest, efficiently utilizes the heat energy of steam.
Based on above-mentioned chemical cleaning system, can adopt lower-cost suitable material to replace the cell wall material of stainless steel as matting groove 6, for example Q235 general steel plate.
The present invention also provides a kind of chemical cleaning method, and described method comprises step: the scavenging solution in the matting groove is delivered to the interior pipe of heating muff, feeds steam in the outer tube of heating muff described scavenging solution is heated; Being transported to equipment to be cleaned through the scavenging solution that heats cleans it; Scavenging solution after the cleaning is back to the matting groove.Preferably, the temperature of described steam is 133 ℃-158 ℃.Preferably, the pressure of described steam is 0.3MPa-0.6MPa.
Chemical cleaning system provided by the present invention and method, because heated wash liquid outside the matting groove, the feasible cleaning scavenging solution that refluxes that finishes can not cause heavy corrosion to the matting groove because temperature reduces, thereby prolonged the work-ing life of matting groove, avoided the injury of scavenging solution leakage simultaneously the person.In addition, do not need in this system to adopt expensive stainless steel to come the manufacturing chemistry rinse bath, saved investment and maintenance cost.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of chemical cleaning system, comprise the matting groove that is used to clean equipment to be cleaned, it is characterized in that, described chemical cleaning system also comprises the heating muff that is arranged between matting groove and the equipment to be cleaned, described heating muff is made up of the interior pipe and the outer tube that nest together, pipe is used to carry scavenging solution in described, and described outer tube is used for delivering vapor.
2, chemical cleaning system as claimed in claim 1 is characterized in that, also is provided with conduit between described matting groove and the described equipment to be cleaned, is used to make scavenging solution to be back to described matting groove after cleaning finishes.
3, chemical cleaning system as claimed in claim 1 is characterized in that, the temperature of described steam is 133 ℃-158 ℃.
4, chemical cleaning system as claimed in claim 3 is characterized in that, the pressure of described steam is 0.3MPa-0.6MPa.
5, chemical cleaning system as claimed in claim 1 is characterized in that, the heating-surface area in the described heating muff is 30m
2
6, chemical cleaning system as claimed in claim 1 is characterized in that, the interior pipe of described heating muff is a plurality of.
As each described chemical cleaning system among the claim 1-6, it is characterized in that 7, described scavenging solution is an alkali lye.
8, a kind of chemical cleaning method is characterized in that, described method comprises step:
S1 is delivered to the interior pipe of heating muff with the scavenging solution in the matting groove, feeds steam in the outer tube of heating muff described scavenging solution is heated;
S2 is transported to equipment to be cleaned through the scavenging solution that heats it is cleaned;
S3, the scavenging solution after the cleaning is back to the matting groove.
9, chemical cleaning method as claimed in claim 8 is characterized in that, the temperature of described steam is 133 ℃-158 ℃.
10, chemical cleaning method as claimed in claim 8 or 9 is characterized in that the pressure of described steam is 0.3MPa-0.6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100874847A CN101575710A (en) | 2009-06-23 | 2009-06-23 | Chemical cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100874847A CN101575710A (en) | 2009-06-23 | 2009-06-23 | Chemical cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101575710A true CN101575710A (en) | 2009-11-11 |
Family
ID=41270778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100874847A Pending CN101575710A (en) | 2009-06-23 | 2009-06-23 | Chemical cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101575710A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755974A (en) * | 2011-04-27 | 2012-10-31 | 贵阳铝镁设计研究院有限公司 | Chemical cleaning and heating device and heating method thereof |
| CN109052926A (en) * | 2018-10-16 | 2018-12-21 | 长飞光纤光缆股份有限公司 | A kind of caustic solution for preform glass bushing |
| WO2022252110A1 (en) * | 2021-06-01 | 2022-12-08 | 王志猛 | Heat exchange device |
-
2009
- 2009-06-23 CN CNA2009100874847A patent/CN101575710A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755974A (en) * | 2011-04-27 | 2012-10-31 | 贵阳铝镁设计研究院有限公司 | Chemical cleaning and heating device and heating method thereof |
| CN109052926A (en) * | 2018-10-16 | 2018-12-21 | 长飞光纤光缆股份有限公司 | A kind of caustic solution for preform glass bushing |
| WO2022252110A1 (en) * | 2021-06-01 | 2022-12-08 | 王志猛 | Heat exchange device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20091111 |