CN2733295Y - Internal force sealed plate-type heat exchanger - Google Patents
Internal force sealed plate-type heat exchanger Download PDFInfo
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- CN2733295Y CN2733295Y CN 200420084571 CN200420084571U CN2733295Y CN 2733295 Y CN2733295 Y CN 2733295Y CN 200420084571 CN200420084571 CN 200420084571 CN 200420084571 U CN200420084571 U CN 200420084571U CN 2733295 Y CN2733295 Y CN 2733295Y
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Abstract
The utility model discloses an internal force sealing plate-type heat exchanger, comprising a left side end plate 1, a right side end plate 6, heat exchanging plates 2-5, and sealing pads 7-9. The heat exchanging plates are installed between the left side end plate 1 and the right side end plate 6, and are compressed by stay bolts. The sealing pads 7-9 are installed between the heat exchanging plates. The sections of the heat exchanging plates 2-5 periphery installing the sealing pads are in the structures of U-type single groove or double grooves. The adjacent two heat exchanging plates are symmetrically arranged in counter direction, namely that the U-type groove openings of the adjacent two heat exchanging plates are placed in counter direction to form a lumen. The sealing pads are placed in the lumen formed by counter placement of the U-type groove openings of the adjacent two heat exchanging plates. The cross section forms of the sealing pads can be H-shaped, T-shaped, and I-shaped. The H-shaped cross sections of the sealing pads include right side rotating H-shaped cross sections and left side rotating H-shaped cross sections. The T-shaped cross sections of the sealing pads also include right side rotating T-shaped cross sections and left side rotating T-shaped cross sections. The sealing U-type grooves position of the heat exchanging plates are in the structures of thick laths, namely that the heat exchanger is a border plate-type heat exchanger formed by heat exchanging plates with thick borders.
Description
Technical field
The utility model relates to heat transmission equipment, especially a kind of internal force sealing plate type heat exchanger that is widely used in petroleum industry.
Background technology
What almost all use in the oil refining field at present is shell-and-tube heat exchanger, and the heat exchange efficiency of this heat exchanger under the mutual heat transfer boundary condition of distillate, probably is less than 1/2nd of plate type heat exchanger than low many of plate type heat exchanger.In addition, plate type heat exchanger is simple in structure, and volume is little, take up an area of few, approximately have only equal heat exchange area shell-and-tube heat exchanger 1/3rd.Therefore be the plate type heat exchanger oil refining field that induces one very important.All multi-form in, have only removable fully " plate type heat exchanger " just to be admitted, but be not used as yet so far by this field, reason is that its serviceability temperature and pressure can not reach requirement, this is that hermetically-sealed construction causes.Generally speaking, the serviceability temperature of existing dismountable plate type heat exchanger and pressure are approximately about 200 ℃ and 2.5Mpa.Such condition can not satisfy the requirement of petroleum refining industry.Although also have non-disconnectable formula and semi-detachable plate type heat exchanger, though their serviceability temperature and pressure are than higher, but owing to clean cumbersome under much more slightly situations of heat transferring medium dirt, also need to prepare the auxiliary wash equipment of a cover, in case inner two kinds of heat transferring medium generation crossfires leak, repair the comparison difficulty, so current this kind equipment that in petroleum refining industry, seldom adopts.The root problem of plate type heat exchanger existence at present adopts the external force seal form exactly.This sealing is it to be reached a high temperature and the major influence factors of high pressure.The power that so-called external force sealing is exactly a compress gasket is passed to pad to power from device external by some element, makes the compacted requirement that reaches sealing of pad.To this equipment, the U that is used to place gasket seal on its each piece heat exchanger plates is poor, and except the position was identical, direction was identical simultaneously.Assembling is during heat exchanger plates, and pad is placed in each U geosynclinal concave face, and is subjected to the poor convex surface extruding of adjacent U, and the cross section of pad is squeezed into crescent, and this thrust is from all around stay-bolt on the equipment of being arranged in, so-called external force sealing that Here it is.This sealing can not high temperature resistant, high pressure, former Hui Yousan: the one, pad in the U groove by medium during toward extrapolation. pad is unfettered, releases easily outside the U groove; The 2nd, the pad that is adopted almost all is industrial rubber, and is softer, under the effect of temperature relaxation arranged, and makes it can not be high pressure resistant; The 3rd, this sealing has the certain rigidity requirement to pad, thereby makes pad can not bring into play due heatproof height.Because just reach the highest heatproof degree when pad is the softest, indulge the above, when the interior media pressure of equipment is higher, can not in sealing surface, spill by the barrier strip piezodielectric.So the external force sealing can not be high temperature resistant, again can not be high pressure resistant.And oil refining apparatus, as atmospheric and vacuum distillation unit, the temperature and pressure that catalytic cracking unit, reformer etc. use can be up to 400 ℃ and 6.5Mpa.Here it is, and present plate type heat exchanger is refined the reason that industry is adopted.
Summary of the invention
The purpose of this utility model is at existing dismountable plate type heat exchanger owing to adopt the external force hermetically-sealed construction, its serviceability temperature and pressure are approximately about 200 ℃ and 2.5Mpa, can not satisfy this problem that requires of petroleum refining industry, a kind of high temperature resistant, high pressure is provided, can the sealed plate type heat exchanger of internal force of the requirement of satisfying petroleum refining industry.
Internal force sealing plate type heat exchanger described in the utility model comprises left side end plate, right side end plate, heat exchanger plates and gasket seal.One group of heat exchanger plates is loaded between left side end plate and the right side end plate, compresses by stay-bolt.Heat exchanger is provided with medium channel.Along periphery with along medium channel gasket seal is housed between heat exchanger plates and the heat exchanger plates.The section that heat exchanger plates periphery and medium channel periphery are installed the gasket seal position is the U type groove structure.Adjacent two heat exchanger plates are symmetric arrays in opposite directions, and the opening of promptly adjacent two heat exchanger plates U type grooves is staggered relatively, and forms a tube chamber.Gasket seal is positioned in the tube chamber of opening formation staggered relatively of adjacent two heat exchanger plates U type grooves.
The cross section type of gasket seal has I shape, T font and I font.
The i shaped cross section of gasket seal is divided into the i shaped cross section of right side commentaries on classics and the i shaped cross section that change in the left side.The T font cross section of gasket seal also is divided into the T font cross section of right side commentaries on classics and the T font cross section that change in the left side.
Heat exchanger plates is provided with the poor position of sealing U type and can be slab bar structure, i.e. the frame plate type heat exchanger that constitutes for the heat exchanger plates by the tape thickness frame of heat exchanger.
When pressure condition is higher, for preventing the vertical and horizontal distortion of heat exchanger plates itself, the thickness of heat exchanger plates can be increased when needing, perhaps on heat exchanger plates, strike out lambdoid ripple, perhaps, perhaps heat exchanger plates is struck out matrix bubble point ripple each punching corrugated one-tenth shape off and on.
In order to improve the temperature and pressure of above-mentioned heat transmission equipment, the external force sealing with it is improved especially, just with the U type groove arrangement mode change on each adjacent heat exchanger plates.The U type groove of original device is arranged same orientation, position, and promptly the crowning of each U type groove is put into the recessed surface of adjacent U type groove, places gasket seal between male and fomale(M﹠F).Now with each adjacent U type groove list groove or double flute symmetric arrays, the opening that is about to two U type grooves is staggered relatively, and forms a tube chamber, places gasket seal in the tube chamber.The cross section type of gasket seal has I shape, T font and I font.I shaped cross section is divided into the i shaped cross section of right side commentaries on classics and the i shaped cross section that change in the left side; T font cross section also is divided into the T font cross section of right side commentaries on classics and the T font cross section that change in the left side.Gasket seal is placed in the U type groove of adjacent heat exchanger plates.I font cross section sealing pad has single internal force sealing effectiveness.I shaped cross section and T font cross section pad had both had the internal force sealing effectiveness, had the external force sealing effectiveness simultaneously; The part of pad in U type groove has the internal force sealing effectiveness, and pad has the external force sealing effectiveness in the part of U type groove outside.The external force hermetic unit can guarantee that equipment is in and be full of medium and before give pressing or when being in initial pressure, inner medium can not leak out.Internal force sealing plate plate type heat exchanger can improve pressure, and it is suitable for cushion film simultaneously, in the deliquescing of temperature action lower gasket loose ground, helps the applying of pad and U groove sidewall on the contrary, makes sealing more reliable.The pressure of estimating apparatus can be up to 4MPA, and temperature can be up to 300 ℃.The reason that temperature improves is the maximum temperature that can use the temperature of industrial rubber its instinct.
The frame plate type heat exchanger can be brought up to 6.5Mpa and 400 ℃ to temperature and pressure.The frame plate type heat exchanger is to be the slab bar there being the poor relocation of U type to become frame on the heat exchanger plates, processes U type groove on the slab bar.U groove rigidity on the slab bar is very big, use the pad of harder flexible graphite fibres one class also can not cause the distortion of U type groove, because this class pad serviceability temperature can estimate that the serviceability temperature of frame plate type heat exchanger can be up to 400 degree, pressure 6.5Mpa up to more than 400 ℃.Only need to propose a bit, when the pressure condition of design is higher, need to consider to make that under pressure vertical the and horizontal anamorphic stretching meeting of heat exchanger plates itself is more, the thickness of heat exchanger plates can be increased slightly when needing, perhaps on heat exchanger plates, strike out lambdoid ripple, perhaps, perhaps heat exchanger plates is struck out matrix bubble point ripple each punching corrugated one-tenth shape off and on.So just can reduce the anamorphic stretching of heat exchanger plates.
The utility model has the advantages that simple in structurely, volume is little, take up an area of few, high temperature resistant, high pressure, can the requirement of satisfying petroleum refining industry.
Description of drawings
Fig. 1 is that the master of the sealed plate type heat exchanger of internal force looks schematic diagram;
Fig. 2 is the schematic side view of Fig. 1;
Fig. 3 is the I enlarged drawing of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the B-B cutaway view of Fig. 2;
Fig. 6 is the structural map of one of heat exchange plate for plate heat exchanger;
Fig. 6 a is the A-A cutaway view of Fig. 6;
Fig. 6 b is the B-B cutaway view of Fig. 6;
Fig. 6 c is the C-C cutaway view of Fig. 6;
Fig. 7 is two a structural map of heat exchange plate for plate heat exchanger;
Fig. 7 a is the A-A cutaway view of Fig. 7;
Fig. 7 b is the B-B cutaway view of Fig. 7;
Fig. 7 c is the C-C cutaway view of Fig. 7;
Fig. 8 is three a structural map of heat exchange plate for plate heat exchanger;
Fig. 8 a is the A-A cutaway view of Fig. 8;
Fig. 8 b is the B-B cutaway view of Fig. 8;
Fig. 8 c is the C-C cutaway view of Fig. 8;
Fig. 9 is four a structural map of heat exchange plate for plate heat exchanger;
Fig. 9 a is the A-A cutaway view of Fig. 9;
Fig. 9 b is the B-B cutaway view of Fig. 9;
Fig. 9 c is the C-C cutaway view of Fig. 9;
Figure 10 is the local figure of the III of one of heat exchange plate for plate heat exchanger;
Figure 10 a is A-A, the B-B cutaway view of Figure 10;
Figure 10 b is the C-C cutaway view of Figure 10;
Figure 10 c is the D-D cutaway view of Figure 10;
Figure 10 d is the E-E cutaway view of Figure 10;
Figure 11 is the local figure of the IV of one of heat exchange plate for plate heat exchanger;
Figure 11 a is the F-F cutaway view of Figure 11;
Figure 11 b is G-G, the H-H cutaway view of Figure 11;
Figure 11 c is the I-I cutaway view of Figure 11;
Figure 12 is the local figure of the I of one of heat exchange plate for plate heat exchanger;
Figure 12 a is A-A, the C-C cutaway view of Figure 12;
Figure 12 b is the B-B cutaway view of Figure 12;
Figure 12 c is the I-I cutaway view of Figure 12;
Figure 13 is the local figure of the II of one of heat exchange plate for plate heat exchanger;
Figure 13 a is the D-D cutaway view of Figure 13;
Figure 13 b is the G-G cutaway view of Figure 13;
Figure 13 c is E-E, the F-F cutaway view of Figure 13;
Figure 13 d is the I-I cutaway view of Figure 13;
Figure 14 is the structural map of the sealed plate type heat exchanger of internal force left side end plate;
Figure 14 a is the A-A cutaway view of Figure 14;
Figure 14 b is the B-B cutaway view of Figure 14;
Figure 14 c is the C-C cutaway view of Figure 14;
Figure 14 d is the D-D cutaway view of Figure 14;
Figure 15 is the structural map of the sealed plate type heat exchanger of internal force right side end plate;
Figure 15 a is the A-A cutaway view of Figure 15;
Figure 15 b is the B-B cutaway view of Figure 15;
Figure 15 c is the C-C cutaway view of Figure 15;
Figure 15 d is the D-D cutaway view of Figure 15;
Figure 16 is the structural map of one of pad between heat exchange plate for plate heat exchanger;
Figure 16 a is the A-A cutaway view of Figure 16;
Figure 17 is two a structural map of pad between heat exchange plate for plate heat exchanger;
Figure 17 a is the A-A cutaway view of Figure 17;
Figure 18 is three a structural map of pad between heat exchange plate for plate heat exchanger;
Figure 18 a is the A-A cutaway view of Figure 18;
Figure 19 is four a structural map of pad between heat exchange plate for plate heat exchanger;
Figure 19 a is the B-B cutaway view of Figure 19;
Figure 20 is that the master of the sealed frame plate type heat exchanger of internal force looks schematic diagram;
Figure 21 is the schematic side view of Figure 20;
Figure 22 is the A-A cutaway view of Figure 21;
Figure 23 is the B-B cutaway view of Figure 21;
Figure 24 is the C-C cutaway view of Figure 21;
Figure 25 is the structural map of one of frame heat exchange plate for plate heat exchanger;
Figure 25 a is the A-A cutaway view of Figure 25;
Figure 25 b is the B-B cutaway view of Figure 25;
Figure 25 c is the C-C cutaway view of Figure 25;
Figure 26 is two a structural map of frame heat exchange plate for plate heat exchanger;
Figure 26 a is the A-A cutaway view of Figure 26;
Figure 26 b is the B-B cutaway view of Figure 26;
Figure 26 c is the C-C cutaway view of Figure 26;
Figure 27 is three a structural map of frame heat exchange plate for plate heat exchanger;
Figure 27 a is the A-A cutaway view of Figure 27;
Figure 27 b is the B-B cutaway view of Figure 27;
Figure 27 c is the C-C cutaway view of Figure 27;
Figure 28 is four a structural map of frame heat exchange plate for plate heat exchanger;
Figure 28 a is the A-A cutaway view of Figure 28;
Figure 28 b is the B-B cutaway view of Figure 28;
Figure 28 c is the C-C cutaway view of Figure 28;
Figure 29 is the structural map of frame plate type heat exchanger right side end plate;
Figure 29 a is the A-A cutaway view of Figure 29;
Figure 29 b is the B-B cutaway view of Figure 29;
Figure 29 c is the C-C cutaway view of Figure 29;
Figure 30 is the structural map of frame plate type heat exchanger left side end plate;
Figure 30 a is the A-A cutaway view of Figure 30;
Figure 30 b is the B-B cutaway view of Figure 30;
Figure 30 c is the C-C cutaway view of Figure 30;
Figure 31 is the structural map of one of pad between the frame heat exchange plate for plate heat exchanger;
Figure 31 a is the A-A cutaway view of Figure 31;
Figure 32 is the structural map of one of pad between the frame heat exchange plate for plate heat exchanger;
Figure 32 a is the A-A cutaway view of Figure 32;
Figure 33 is the structural map of one of board-like heat exchanger channel side ring of frame;
Figure 33 a is the A-A cutaway view of Figure 33;
Figure 34 is two a structural map of the board-like heat exchanger channel side ring of frame;
Figure 34 a is the B-B cutaway view of Figure 34;
Figure 35 is the structural map of frame plate type heat exchanger internal channel pad;
Figure 35 a is the C-C cutaway view of Figure 35;
Figure 36 is the structural map of frame plate type heat exchanger outer tunnel pad;
Figure 36 a is the D-D cutaway view of Figure 36;
Figure 37 is the sealed plate type heat exchanger two media of an internal force heat exchange process schematic diagram.
Among the figure, font pad 9 left sides of changing a job, font pad 8 left sides of changing a job, 1 left side end plate, 2,3,4,5 heat exchanger plates, 6 right side end plates, 7 right sides are changeed T font internal channel pad 10 right sides and are changeed T font outer tunnel pad 11,12,13,14 frame formula heat exchanger plates 15 frame plate type heat exchangers left side end plate 16 frame plate type heat exchanger right side end plate 1*, 2* medium channel
The specific embodiment
As Fig. 1-shown in Figure 5, internal force sealing plate type heat exchanger described in the utility model comprises left side end plate 1, right side end plate 6, heat exchanger plates 2-5 and gasket seal 7-9.Heat exchanger plates is loaded between left side end plate 1 and the right side end plate 6, compresses by stay-bolt.Heat exchanger is provided with medium channel 1*, 2*.Along periphery and along medium channel gasket seal is housed between heat exchanger plates and the heat exchanger plates.The section that heat exchanger plates 2-5 periphery and medium channel 1*, 2* periphery are installed the gasket seal position is the U type groove structure.Adjacent two heat exchanger plates are symmetric arrays in opposite directions, and the opening of promptly adjacent two heat exchanger plates U type grooves is staggered relatively, and forms a tube chamber.Gasket seal is positioned in the tube chamber of opening formation staggered relatively of adjacent two heat exchanger plates U type grooves.The cross section type of gasket seal has I shape, T font and I font.The i shaped cross section of gasket seal is divided into the i shaped cross section of right side commentaries on classics and the i shaped cross section that change in the left side.The T font cross section of gasket seal also is divided into the T font cross section of right side commentaries on classics and the T font cross section that change in the left side.As shown in figure 20, heat exchanger plates is provided with the poor position of sealing U type and can be slab bar structure, i.e. the frame plate type heat exchanger that constitutes for the heat exchanger plates by the tape thickness frame of heat exchanger.
More than be the explanation that structure of the present utility model is done, below the utility model be described further.
In order to improve the temperature and pressure of traditional heat transmission equipment, need its external force sealing is improved, just with the U type groove arrangement mode change on each adjacent heat exchanger plates.The U type groove of original device is arranged same orientation, position, and promptly the crowning of each U type groove is put into the recessed surface of adjacent U type groove, places gasket seal between male and fomale(M﹠F).
As Fig. 1-shown in Figure 13, existing with each adjacent U type groove list groove or double flute symmetric arrays, the opening that is about to two U type grooves is staggered relatively, and forms a tube chamber, places gasket seal in the tube chamber.The cross section type of gasket seal has I shape, T font and I font, as Figure 17-shown in Figure 19.I shaped cross section is divided into the i shaped cross section of right side commentaries on classics and the i shaped cross section that change in the left side, as Figure 16, shown in Figure 16; T font cross section also is divided into the T font cross section of right side commentaries on classics and the T font cross section that change in the left side, Figure 19, shown in Figure 180.Gasket seal is placed in the U type groove of adjacent heat exchanger plates.I font cross section sealing pad has single internal force sealing effectiveness.I shaped cross section and T font cross section pad had both had the internal force sealing effectiveness, had the external force sealing effectiveness simultaneously; The part of pad in U type groove has the internal force sealing effectiveness, and pad has the external force sealing effectiveness in the part of U type groove outside.The external force hermetic unit can guarantee that equipment is in and be full of medium and before give pressing or when being in initial pressure, inner medium can not leak out.Internal force sealing plate plate type heat exchanger can improve pressure, and it is suitable for cushion film simultaneously, in the deliquescing of temperature action lower gasket loose ground, helps the applying of pad and U groove sidewall on the contrary, makes sealing more reliable.The pressure of estimating apparatus can be up to 4MPA, and temperature can be up to 300 ℃.The reason that temperature improves is the maximum temperature that can use the temperature of industrial rubber its instinct.
As Figure 20-shown in Figure 36, the frame plate type heat exchanger can be brought up to 6.5Mpa and 400 ℃ to temperature and pressure.As Figure 25-shown in Figure 30, the frame plate type heat exchanger is to be the slab bar there being the poor relocation of U type to become frame on the heat exchanger plates, processes U type groove on the slab bar.U groove rigidity on the slab bar is very big, use the pad of harder flexible graphite fibres one class also can not cause the distortion of U type groove, because this class pad serviceability temperature can estimate that the serviceability temperature of frame plate type heat exchanger can be up to 400 ℃, pressure 6.5Mpa up to more than 400 ℃.Only need to propose a bit, when the pressure condition of design is higher, need to consider to make that under pressure vertical the and horizontal anamorphic stretching meeting of heat exchanger plates itself is more, the thickness of heat exchanger plates can be increased slightly when needing, perhaps on heat exchanger plates, strike out lambdoid ripple, perhaps, perhaps heat exchanger plates is struck out matrix bubble point ripple each punching corrugated one-tenth shape off and on.So just can reduce the elongation strain of heat exchanger plates.
The improvement that internal force sealing plate type heat exchanger is just done traditional plate type heat exchanger, except seal form other all do not have change.The tool of touching that so has the punching press heat exchanger plates only has modification slightly, because the equal no change of material of heat exchanger plates and pad or the like.Therefore can directly drop into fully the design production phase.For the frame plate type heat exchanger, current mold pressing process technology for heat exchanger plates is very ripe, four medium channel hole 1*, 2* adding on upper side frame and the plate at the periphery of heat exchanger plates add that there is not the technical difficulty problem in side ring, being welded with several different methods and can selecting as for frame and plate, rule of thumb possibility submerged-arc welding is better, need not here to state more.Use historically about the existing production for many years of material of the rubbing property graphite fibre pad that adopts, its various performances, especially rebound performance are all fine, are very suitable for as this type of pad.For more suitable frame plate type heat exchanger " seal request, possible
Need do some to the proportioning of gasket material composition and adjust, purpose is to make the hardness of pad smaller slightly, and rebound performance increases slightly.This all is some common skilled works.Above all the elements all belong to general technical scope.According to the routine techniques of making plate type heat exchanger in the past, just can reach the purpose of this equipment of production.
Claims (8)
1. an internal force seals plate type heat exchanger, comprise left side end plate, right side end plate, heat exchanger plates and gasket seal, one group of heat exchanger plates is loaded between left side end plate and the right side end plate, compress by stay-bolt, heat exchanger is provided with medium channel, along periphery and medium channel gasket seal is housed between heat exchanger plates and the heat exchanger plates, it is characterized in that: the section that heat exchanger plates periphery and medium channel periphery are installed the gasket seal position is the U type groove structure; Adjacent two heat exchanger plates are symmetric arrays in opposite directions, and the opening of promptly adjacent two heat exchanger plates U type grooves is staggered relatively, and forms a tube chamber; Gasket seal is positioned in the tube chamber of opening formation staggered relatively of adjacent two heat exchanger plates U type grooves.
2. by the described internal force sealing of claim 1 plate type heat exchanger, it is characterized in that: the cross section type of gasket seal is I shape, T font or I font.
3. by claim 1 or 2 described internal force sealing plate type heat exchangers, it is characterized in that: the i shaped cross section of gasket seal is divided into the i shaped cross section of right side commentaries on classics and the i shaped cross section that change in the left side.
4. by claim 1 or 2 described internal force sealing plate type heat exchangers, it is characterized in that: the T font cross section of gasket seal also is divided into the T font cross section of right side commentaries on classics and the T font cross section that change in the left side.
5. by the described internal force sealing of claim 1 plate type heat exchanger, it is characterized in that: it is slab bar structure that heat exchanger plates is provided with the poor position of sealing U type, i.e. internal force sealing plate type heat exchanger is made of the heat exchanger plates of tape thickness frame.
6. by the described internal force sealing of claim 1 plate type heat exchanger, it is characterized in that: the heat exchanger plates upper punch is pressed with lambdoid ripple, perhaps each punching corrugated one-tenth shape off and on, perhaps heat exchanger plates is struck out matrix bubble point ripple.
7. by the described internal force sealing of claim 1 plate type heat exchanger, it is characterized in that: the ripple of continuous shape when the heat exchanger plates upper punch is pressed with.
8. by the described internal force sealing of claim 1 plate type heat exchanger, it is characterized in that: the heat exchanger plates upper punch is pressed with matrix bubble point ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084571 CN2733295Y (en) | 2004-07-30 | 2004-07-30 | Internal force sealed plate-type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084571 CN2733295Y (en) | 2004-07-30 | 2004-07-30 | Internal force sealed plate-type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733295Y true CN2733295Y (en) | 2005-10-12 |
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ID=35069135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420084571 Expired - Fee Related CN2733295Y (en) | 2004-07-30 | 2004-07-30 | Internal force sealed plate-type heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN2733295Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729334A (en) * | 2015-04-03 | 2015-06-24 | 睿能太宇（沈阳）能源技术有限公司 | Heat exchange module and domestic hot water heat exchanger |
| CN110332834A (en) * | 2019-07-26 | 2019-10-15 | 爱克普换热器(无锡)有限公司 | Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy |
-
2004
- 2004-07-30 CN CN 200420084571 patent/CN2733295Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729334A (en) * | 2015-04-03 | 2015-06-24 | 睿能太宇（沈阳）能源技术有限公司 | Heat exchange module and domestic hot water heat exchanger |
| CN110332834A (en) * | 2019-07-26 | 2019-10-15 | 爱克普换热器(无锡)有限公司 | Dual-sealing plate-fin heat exchanger inside and outside aluminium alloy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051012 Termination date: 20110730 |