CN217953699U - Acid liquor temperature measuring element for stainless steel pickling process - Google Patents
Acid liquor temperature measuring element for stainless steel pickling process Download PDFInfo
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- CN217953699U CN217953699U CN202222046845.7U CN202222046845U CN217953699U CN 217953699 U CN217953699 U CN 217953699U CN 202222046845 U CN202222046845 U CN 202222046845U CN 217953699 U CN217953699 U CN 217953699U
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Abstract
The utility model discloses an acidizing fluid temperature element for stainless steel pickling process, including the temperature element body, the temperature element body inserts first flange center and fixes, and temperature element body bottom temperature measurement part periphery cover is equipped with protection device, and protection device includes the second flange of being connected with first flange cooperation, and second flange center bottom has set firmly protective case, and the protective case bottom is pegged graft in the acidizing fluid pipeline, is equipped with heat-conducting medium in the protective case, and temperature element body bottom temperature measurement part is arranged in this protective case intraductal heat-conducting medium. The utility model provides a temperature element, the protective case of temperature element bottom can avoid temperature element and acidizing fluid direct contact, has solved the problem that temperature element measures the misalignment, has effectively prolonged temperature element's life, and the heat-conducting medium heat conductivility of packing into in the protective sheath is good moreover, and the conduction is fast, has both guaranteed temperature measurement's accuracy, has avoided the temperature lag to cause the problem of spouting accidents such as sour or pipe explosion again.
Description
Technical Field
The utility model relates to a temperature element field, concretely relates to acidizing fluid temperature element for stainless steel pickling technology.
Background
The temperature accuracy of the acid solution of the pickling process in the production process of stainless steel directly influences the passivation effect and the product quality of the strip steel, so that the temperature of the acid solution participating in pickling must be accurately reflected by the temperature measuring element in real time, and the temperature measuring element is protected from being damaged, so that the temperature measuring element is very important. At present, temperature measuring elements used in the pickling process are in direct contact with an acid solution in a direct insertion mode, although a coating with an anti-corrosion function is coated on the outer side of each temperature measuring element, the temperature of the acid solution is generally controlled to be 70-90 ℃ in the using process, the corrosion strength of the acid solution can be aggravated under the high-temperature condition, the temperature measuring elements are still corroded in the high-temperature acid solution for a long time, the temperature measurement is inaccurate, the normal operation of the pickling process is influenced, if the temperature measuring elements are seriously corroded, the acid solution can be directly splashed from a corrosion point, and the risk of being scorched by the acid solution is brought to workers. And the acid liquor contains particle impurities generated in the passivation and pickling process of the strip steel, the particle impurities can strongly wash an anticorrosive coating of the temperature measuring element, once the anticorrosive coating is damaged, high-temperature strong acid can rapidly corrode the temperature measuring element to cause the damage of the temperature measuring element, and the acid liquor can be very quickly sprayed under the huge pumping pressure. Although the existing temperature measuring element can be additionally provided with a protective sleeve, the protective sleeve and the temperature measuring element have a certain gap, so that temperature measurement is delayed, the measured actual temperature is usually higher than the set temperature, the potential safety hazard of tube explosion is caused, and the normal operation of the pickling process is influenced.
At present, the method for preventing the temperature measuring elements from being corroded to cause acid spraying is to replace the temperature measuring elements used on line regularly, but the replacement quantity is large, the cost is high, the enterprise control production cost is not facilitated, the corrosion resistance and the scouring resistance of anticorrosive coatings of the temperature measuring elements with different specifications are uncertain, the replacement period cannot be determined, the acid spraying phenomenon of the temperature measuring elements with normal service periods can be caused frequently, and the method has great potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model provides an acidizing fluid temperature element for stainless steel pickling process, aim at solve current temperature element and be easily corroded and erode, have the clearance to cause the temperature measurement lag after having added protective case moreover, cause the problem of incident such as spout sour or blast easily.
The utility model relates to an acidizing fluid temperature element for stainless steel pickling process, including the temperature element body, the temperature element body inserts first flange center and fixes, and temperature element body bottom temperature measurement part periphery cover is equipped with protection device, and protection device includes the second flange of being connected with first flange cooperation, and second flange center bottom has set firmly protective case, and the protective case bottom is pegged graft in the acidizing fluid pipeline, is equipped with heat-conducting medium in the protective case, and temperature element body bottom temperature measurement part is arranged in this protective case intraductal heat-conducting medium.
Preferably, the protective sleeve is made of soluble polytetrafluoroethylene.
Preferably, the distance between the outer wall of the temperature measuring part at the bottom of the temperature measuring element body and the inner wall of the protective sleeve is 5mm-10mm.
Preferably, the heat transfer medium is castor oil.
Preferably, through holes are symmetrically formed in the two sides of the center of the first flange and the second flange, and the first flange and the second flange are connected through bolts inserted into the through holes.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides an acidizing fluid temperature element for stainless steel pickling process, the temperature element bottom is equipped with closed protective case, has avoided temperature element and acidizing fluid direct contact, can guarantee that temperature element temperature-sensing probe is not corroded, has effectively prolonged temperature element's life, has reduced the spare part loss, has practiced thrift manufacturing cost, and the direct fixed mounting of protective case prevents that operating personnel during operation mistake from bumping and being scalded by the acidizing fluid in the acidizing fluid pipeline. And moreover, the heat-conducting medium is filled in the protective sleeve, so that the conduction performance is enhanced, the conduction speed is high, the temperature of the pipeline can be measured in real time, and safety accidents such as acid spraying or pipe explosion caused by temperature measurement lag are avoided.
2. The utility model provides an acidizing fluid temperature element for stainless steel pickling process, the protective case material that temperature element bottom cover was established is soluble polytetrafluoroethylene, has good corrosion-resistant, high temperature resistant, the resistance to scouring performance, can be according to different temperature element size custom-made, satisfies different temperature element's protection demand, simple manufacture, and is with low costs, and maneuverability is strong. And the protective sleeves of the same temperature measuring elements have the same specification, so that the regular replacement time can be determined, and the problems of cost waste caused by early replacement and acid spraying accidents caused by late replacement due to uncertain replacement time are avoided.
3. The utility model provides an acidizing fluid temperature element for stainless steel pickling process, the interval of temperature element body bottom temperature measurement part outer wall and protective sheath inside pipe wall is 5mm-10mm, under the circumstances of guaranteeing the real-time feedback of temperature measurement, has avoided the problem that the temperature tube damaged because of artificial colliding with when temperature element loads and unloads, guarantees that pickling process normally goes on.
4. The utility model provides an acidizing fluid temperature element for stainless steel pickling process, the heat-conducting medium who packs into in the protective sleeve is castor oil, and castor oil heat conductivility is good, and the conduction is fast, and it is convenient to fill, has both guaranteed measuring temperature's accuracy, has avoided the influence that the temperature lag caused the pickling process again.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the protection device of the present invention;
in the figure: 1-acid liquor pipeline; 2-temperature measuring element body; 3-a protection device; 4-a bolt; 5-heat conducting medium; 6-a first flange; 7-a second flange; 8-a through hole; 9-protective sleeve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-2, the utility model relates to an acidizing fluid temperature element for stainless steel pickling process, including temperature element body 2, temperature element body 2 inserts first flange 6 center and fixes, and 2 bottom temperature measurement part periphery covers of temperature element body are equipped with protection device 3, and protection device 3 includes the second flange 7 of being connected with the cooperation of first flange 6, and first flange 6 and 7 central bilateral symmetry of second flange set up through-hole 8, first flange, 6 and second flange 7 are connected through the bolt 4 who inserts through-hole 8. The bottom of the center of the second flange 7 is fixedly provided with a protective sleeve 9, the protective sleeve 9 is made of soluble polytetrafluoroethylene, and the bottom of the protective sleeve 9 is inserted into the acid liquor pipeline 1. The heat-conducting medium 5 is arranged in the protective sleeve 9, the heat-conducting medium 5 is castor oil, the temperature measuring part at the bottom of the temperature measuring element body 2 is arranged in the heat-conducting medium 5 in the protective sleeve 9, and the distance between the outer wall of the temperature measuring part at the bottom of the temperature measuring element body 2 and the inner wall of the protective sleeve 9 is 5mm-10mm.
The protection device 3 is manufactured according to the specification of the temperature measuring element, the second flange 7 is selected according to the specification of the first flange 6 of the temperature measuring element, the protection sleeve 9 is manufactured according to the length of the temperature measuring part at the bottom of the temperature measuring element, and finally the protection sleeve 9 is welded at the bottom of the center of the second flange 7. Welding the manufactured protection device 3 on the acid liquor pipeline 1 in a direction vertical to the acid liquor pipeline, and then adding a proper amount of castor oil into the protection sleeve 9 to serve as a heat-conducting medium 5. And finally, connecting the first flange 6 and the second flange 7 of the temperature measuring element at the through hole 8 through the bolt 4. After the temperature measuring device is installed, the temperature measuring device can be put into use to measure temperature.
Claims (5)
1. The acid liquor temperature measuring element for the stainless steel pickling process comprises a temperature measuring element body (2), wherein the temperature measuring element body (2) is inserted into the center of a first flange (6) for fixing, and the temperature measuring element is characterized in that: temperature measurement component body (2) bottom temperature measurement part periphery cover is equipped with protection device (3), protection device (3) include second flange (7) of being connected with first flange (6) cooperation, and second flange (7) center bottom has set firmly protective case (9), and protective case (9) bottom is pegged graft in acidizing fluid pipeline (1), is equipped with heat-conducting medium (5) in protective case (9), and temperature measurement component body (2) bottom temperature measurement part is arranged in this protective case (9) in heat-conducting medium (5).
2. The acid liquor temperature measuring element for the stainless steel pickling process of claim 1, wherein: the protective sleeve (9) is made of soluble polytetrafluoroethylene.
3. The acid liquor temperature measuring element for the stainless steel pickling process according to claim 1 or 2, wherein the temperature measuring element comprises: the distance between the outer wall of the temperature measuring part at the bottom of the temperature measuring element body (2) and the inner wall of the protective sleeve (9) is 5-10 mm.
4. The acid liquor temperature measuring element for the stainless steel pickling process of claim 1, wherein: the heat-conducting medium (5) is castor oil.
5. The acid liquor temperature measuring element for the stainless steel pickling process of claim 1, wherein: through holes (8) are symmetrically formed in two sides of the centers of the first flange (6) and the second flange (7), and the first flange (6) and the second flange (7) are connected through bolts (4) inserted into the through holes (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046845.7U CN217953699U (en) | 2022-08-04 | 2022-08-04 | Acid liquor temperature measuring element for stainless steel pickling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222046845.7U CN217953699U (en) | 2022-08-04 | 2022-08-04 | Acid liquor temperature measuring element for stainless steel pickling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217953699U true CN217953699U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222046845.7U Active CN217953699U (en) | 2022-08-04 | 2022-08-04 | Acid liquor temperature measuring element for stainless steel pickling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217953699U (en) |
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2022
- 2022-08-04 CN CN202222046845.7U patent/CN217953699U/en active Active
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