CN103364146A - Leakage detection device and method of cooler - Google Patents
Leakage detection device and method of cooler Download PDFInfo
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- CN103364146A CN103364146A CN201310328843XA CN201310328843A CN103364146A CN 103364146 A CN103364146 A CN 103364146A CN 201310328843X A CN201310328843X A CN 201310328843XA CN 201310328843 A CN201310328843 A CN 201310328843A CN 103364146 A CN103364146 A CN 103364146A
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- closeouts
- refrigeratory
- casting die
- tube bank
- detection device
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Abstract
The invention provides a leakage detection device and method of a cooler. The leakage detection device comprises a pressure supplying component and a blocking component, wherein one end of the pressure supplying component is connected with the first end of a tube bundle of the cooler while the other end of the pressure supplying component is connected with a liquid source; and the blocking component is used for blocking the second end of the tube bundle of the cooler. By adopting the leakage detection device and method, the tube bundle with leakage can be accurately determined.
Description
Technical field
The present invention relates to field of sealing technology, in particular to a kind of leak detection device and leakage inspection method of refrigeratory.
Background technology
Refrigeratory is a kind of refrigeration plant of chemical industry widespread use.Refrigeratory relies on the blower fan that is positioned at tube bank top or below to cool off restraining medium.Because it is acid or alkaline that the medium of carrying in the tube bank of refrigeratory is, corrosivity is strong, if long-play, meeting washing away and corrosivity because of medium, or because the significant variation of temperature easily causes tube bank to leak, affect the serviceable life of equipment component, cause equipment failure to be stopped, therefore need the prophylactic repair refrigeratory.
In the prior art, need after the tube bank of refrigeratory is leaked up to a hundred tube bank subregions are leaked investigation, take the mode of fresh water leakage detection, this method has a lot of shortcomings, 1. water yield waste; 2. because refrigeratory all is on tens meters or 20 meters even the higher framework, if use in the winter time the mode of fresh water leakage detection, will cause hanging with silver thaw on framework and the bottom equipment, affect the technological operation in workshop, have the safe trouble of drawing; 3. accuracy is not high, what adopt after determining leakage region among a small circle is the method for blindness plugging, the large tracts of land plugging, after the plugging so blindly, although can reach the purpose that blocks leaking tube bank, can not carry out shutoff to leaking tube bank exactly, thereby cause the heat interchanging area of air cooling to reduce, affect cooling effectiveness, perhaps do not reach the effect of cooling, consequence is serious.
Summary of the invention
The present invention aims to provide a kind of leak detection device and leakage inspection method of refrigeratory, accurately to judge the tube bank that leakage occurs.
To achieve these goals, according to an aspect of the present invention, provide a kind of leak detection device of refrigeratory, leak detection device comprises: give casting die, be connected for an end of casting die with the first end of the tube bank of refrigeratory, be connected for the other end of casting die with fluid source; Closeouts, closeouts is used for the second end of the tube bank of shutoff refrigeratory.
Further, to casting die comprise to the casting die connecting portion and with give that the casting die connecting portion cooperates to the casting die sealing, be connected for the casting die sealing with the first end of the tube bank of refrigeratory, be connected with fluid source to the casting die connecting portion; Closeouts comprises the closeouts sealing, and the closeouts sealing is used for the second end of the tube bank of shutoff refrigeratory.
Further, be taper seal for casting die sealing and closeouts sealing.
Further, refrigeratory comprises establishes threaded bobbin carriage, give the casting die connecting portion comprise linkage section with fastening section that is fixedly connected with linkage section, linkage section be threaded to the casting die sealing, an end of fastening section and the bobbin carriage threaded engagement of refrigeratory, fastening section the other end is connected with fluid source.
Further, closeouts also comprises the closeouts connecting portion, the closeouts connecting portion comprise the closeouts linkage section and with the block section of closeouts linkage section threaded engagement, closeouts linkage section and closeouts sealing are threaded, the outboard end of block section forms blind end with the tube bank of seal cooler.
According to another aspect of the present invention, provide a kind of leakage inspection method of leak detection device, leakage inspection method may further comprise the steps: s1 installs the closeouts of leak detection device at the second end of the tube bank of refrigeratory; S2 the first end of the tube bank of refrigeratory install leak detection device to casting die; The casting die of giving of s3 leak detection device is connected with fluid source, for the tube bank of refrigeratory provides pressure.
Further, before step s1, leakage inspection method is further comprising the steps of: s0 exerts pressure to refrigeratory, judges the leakage scope of cooler bundle.
Further, after step s3, judge whether cooler bundle leaks, if leak, then carry out following steps: tube bank is leaked in the s4 shutoff.
Further, after execution in step s0 determines the leakage scope of cooler bundle, repeated execution of steps s1, s2 and s3.
Use technical scheme of the present invention, because the leak detection device of refrigeratory has to casting die and closeouts, can carry out leakage detection and accurately judge leaking tube bank to the tube bank of refrigeratory, thereby carry out shutoff to leaking tube bank, improve the cooling effectiveness of refrigeratory.
Description of drawings
The Figure of description that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 shows the according to an embodiment of the invention structural representation to casting die of leak detection device;
Fig. 2 shows the according to an embodiment of the invention decomposition texture synoptic diagram to casting die of leak detection device;
Fig. 3 shows the according to an embodiment of the invention structural representation of the closeouts of leak detection device;
Fig. 4 shows the according to an embodiment of the invention synoptic diagram of the refrigeratory of leak detection device.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1 to Figure 3, the leak detection device of the refrigeratory of present embodiment comprises: give casting die 1 and closeouts 2.Wherein, give casting die 1 comprise to casting die connecting portion 11 and with cooperates to casting die connecting portion 11 to casting die sealing 12.Be connected for casting die sealing 12 with an end of the tube bank of refrigeratory, be connected for casting die connecting portion 11 with fluid source 3.
As shown in Figure 4, the refrigeratory of present embodiment is many row's multipass tube bank refrigeratorys, mainly comprises tube bank 41 and bobbin carriage 43.Wherein, the two ends of tube bank 41 are respectively equipped with tube sheet 42, and bobbin carriage 43 is provided with screw thread.
In the present embodiment, be in particular to casting die connecting portion 11 and seal for casting die 1.In the present embodiment, preferably, comprise linkage section for casting die connecting portion 11.The tube sheet that one end of linkage section passes tube bank is threaded with seal, and seal is used for the gap that seal cooler is restrained an end.The interlude of linkage section and the threaded engagement on the bobbin carriage, linkage section are used for and will be fixed on bobbin carriage to casting die 1.The other end of linkage section is connected such as fresh water water source or air source of the gas etc. with the fluid source of the gas, is used to refrigeratory that pressure is provided.Certainly, in the embodiment that does not provide, also can be according to actual needs with give casting die connecting portion 11 be arranged to linkage section with fastening section that is fixedly connected with linkage section.
As shown in Figure 3, the closeouts 2 of present embodiment comprises closeouts connecting portion and closeouts sealing 21.Closeouts sealing 21 is used for the other end of the tube bank of shutoff refrigeratory.
In the present embodiment, the closeouts connecting portion comprise closeouts linkage section 22 and with the block section 23 of closeouts linkage section 22 threaded engagement.Closeouts sealing 21 comprises seal.Wherein, closeouts linkage section 22 and seal are threaded, and closeouts linkage section 22 and block section 23 are threaded.Seal is used for the other end of the tube bank of seal cooler; Closeouts linkage section 22 and bobbin carriage 43 threaded engagement are fixed on closeouts 2 on the bobbin carriage 43; Block section 23 is used for the shutoff cooler bundle mouth of pipe.
In the present embodiment, the seal in the leak detection device is preferably taper seal, can realize better sealing effectiveness.The tapering of taper seal can be determined according to the internal diameter of cooler bundle.
Wherein, the reach of the reach of the interlude of linkage section and closeouts linkage section 22 is determined by the width of the bobbin carriage of refrigeratory, in actual conditions, can make a plurality of and refrigeratory bobbin carriage width suitable linkage section and closeouts linkage section 22, with as for subsequent use.
Leakage inspection method according to above-mentioned leak detection device may further comprise the steps:
S1 installs the closeouts of leak detection device at an end of the tube bank of refrigeratory;
S2 the other end of the tube bank of refrigeratory install leak detection device to casting die;
The casting die of giving of s3 leak detection device is connected with fluid source, for the tube bank of refrigeratory provides pressure.
Before step s1, the leakage inspection method of the embodiment of the invention is further comprising the steps of: s0 exerts pressure to refrigeratory, judges the leakage scope of cooler bundle.After execution in step s0 determines the leakage scope of cooler bundle, repeated execution of steps s1, s2 and s3.After step s3, judge whether cooler bundle leaks, if leak, then carry out following steps: tube bank is leaked in the s4 shutoff.
The leakage inspection method of present embodiment is described as follows:
1. dwindle tube bank leakage scope
Check when whether refrigeratory leaks, be filled with in the refrigeratory with fluid sources such as low-pressure steam first, find to draw a circle to approve the leakage scope behind the leak source by visual determination or additive method, the scope of judgement is dwindled.After determining the leakage scope of tube bank, in whole tube bank, be full of steam or water, whole hundreds of root even several thousand tube bank scope narrowed down to tens follow or several tube banks.
2. determine to leak tube bank
Then an end of the wherein tube bank in tens that have reduced the scope or several tube banks is installed closeouts 2, and installs to casting die 1 at the other end of this root tube bank.To be connected with fluid source to casting die 1 simultaneously, and fill steam or water by fluid source in this tube bank, leak source can fugitive water or steam if this tube bank is leaked.Certainly, in the embodiment that does not provide, also can in the tube bank of refrigeratory, be filled with air, judge by checking the manometric pressure variation that is arranged on on the casting die whether this tube bank leaks.If do not have for a long time steam or water to leak out, can judge that then the tube bank of this root do not leak.Use at last same way repeated execution of steps s1, s2 and s3, until judge the tube bank of leakage.
3. leak stopping
Leak if judge a tube bank of refrigeratory, just seal the mouth of pipe of tube bank with the plug that processes in advance.Concrete operation method is: at first plug is put into an end of steel pipe, will be inserted the steel pipe less than the other end of the round steel of restraining internal diameter from steel pipe simultaneously, with this round steel plug is headed in the tube bank of radiator tube plate.Then the other end that will leak tube bank that uses the same method blocks.In the present embodiment, the size of plug and tapering can be selected according to the internal diameter of cooler bundle, in order to realize sealing and block the function of leaking tube bank.
4. seal bobbin carriage
With the plug on the bobbin carriage bobbin carriage is sealed, finish the obstruction of leaking the tube bank group.
Can find out from above description, embodiments of the invention have been realized following technique effect: owing to have to casting die 1 and closeouts 2, can carry out leakage detection and accurately judge leaking tube bank to the tube bank of refrigeratory, thereby carry out shutoff to leaking tube bank, improve the cooling effectiveness of refrigeratory; And this leak detection device is simple in structure, easily makes, and is easy and simple to handle.
Can find out from above description, embodiments of the invention have been realized following technique effect: the above only is the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the leak detection device of a refrigeratory is characterized in that, described leak detection device comprises:
Give casting die (1), the described end of casting die (1) of giving is connected with the first end of the tube bank of described refrigeratory, and the described other end of casting die (1) of giving is connected with fluid source;
Closeouts (2), described closeouts (2) is used for the second end of the described tube bank of the described refrigeratory of shutoff.
2. leak detection device according to claim 1, it is characterized in that, described give casting die (1) comprise to casting die connecting portion (11) and with described to casting die connecting portion (11) cooperates to casting die sealing (12), the described casting die sealing (12) of giving is connected with the described first end of the described tube bank of described refrigeratory, and the described casting die connecting portion (11) of giving is connected with fluid source; Described closeouts (2) comprises closeouts sealing (21), and described closeouts sealing (21) is used for described second end of the described tube bank of the described refrigeratory of shutoff.
3. leak detection device according to claim 2 is characterized in that, described casting die sealing (12) and the described closeouts sealing (21) given is taper seal.
4. leak detection device according to claim 2, it is characterized in that, described refrigeratory comprises establishes threaded bobbin carriage (43), described give casting die connecting portion (11) comprise linkage section with fastening section that is fixedly connected with described linkage section, described linkage section is threaded with the described casting die sealing (12) of giving, described bobbin carriage (43) threaded engagement of a described fastening section end and described refrigeratory, the described fastening section other end is connected with described fluid source.
5. leak detection device according to claim 2, it is characterized in that, described closeouts (2) also comprises the closeouts connecting portion, described closeouts connecting portion comprise closeouts linkage section (22) and with the block section (23) of described closeouts linkage section (22) threaded engagement, described closeouts linkage section (22) and described closeouts sealing (21) are threaded, and the outboard end of described block section (23) forms blind end to seal the described tube bank of described refrigeratory.
6. leakage inspection method of each described leak detection device in 5 according to claim 1 is characterized in that described leakage inspection method may further comprise the steps:
S1 installs the closeouts of leak detection device at the second end of the tube bank of refrigeratory;
S2 the first end of the tube bank of refrigeratory install leak detection device to casting die;
The casting die of giving of s3 leak detection device is connected with fluid source, for the tube bank of refrigeratory provides pressure.
7. leakage inspection method according to claim 6 is characterized in that, before step s1, described leakage inspection method is further comprising the steps of: s0 exerts pressure to refrigeratory, judges the leakage scope of cooler bundle.
8. leakage inspection method according to claim 6 is characterized in that, after step s3, judges whether cooler bundle leaks, if leak, then carries out following steps: tube bank is leaked in the s4 shutoff.
9. leakage inspection method according to claim 7 is characterized in that, after execution in step s0 determines the leakage scope of cooler bundle, and repeated execution of steps s1, s2 and s3.
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CN201310328843XA CN103364146A (en) | 2013-07-31 | 2013-07-31 | Leakage detection device and method of cooler |
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CN201310328843XA CN103364146A (en) | 2013-07-31 | 2013-07-31 | Leakage detection device and method of cooler |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104006937A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | One-off detection method for multiple leakage points of horizontal tube cooler |
CN104501855A (en) * | 2014-12-15 | 2015-04-08 | 钢铁研究总院 | Sample device and method for testing tube-plugging effect of heat-transferring tube of vapor generator |
CN107884131A (en) * | 2017-10-30 | 2018-04-06 | 中国石油化工股份有限公司 | Air cooler tube bundle tests drain terminals and the accurate leak testing device of air cooler tube bundle |
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CN2886535Y (en) * | 2005-12-30 | 2007-04-04 | 中国石油天然气股份有限公司乌鲁木齐石化分公司 | Apparatus for positioning and leakage detecting of tube bundle of surface evaporation type air cooler |
CN201434808Y (en) * | 2009-07-28 | 2010-03-31 | 湖州众立不锈钢管有限公司 | Internally expanding small-caliber steel pipe water pressure test device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104006937A (en) * | 2014-06-06 | 2014-08-27 | 甘肃酒钢集团宏兴钢铁股份有限公司 | One-off detection method for multiple leakage points of horizontal tube cooler |
CN104006937B (en) * | 2014-06-06 | 2016-08-17 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of disposable method for detecting of horizontal water-tube cooler many places leakage point |
CN104501855A (en) * | 2014-12-15 | 2015-04-08 | 钢铁研究总院 | Sample device and method for testing tube-plugging effect of heat-transferring tube of vapor generator |
CN107884131A (en) * | 2017-10-30 | 2018-04-06 | 中国石油化工股份有限公司 | Air cooler tube bundle tests drain terminals and the accurate leak testing device of air cooler tube bundle |
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Application publication date: 20131023 |