CN201575733U - Plate-type heat recovery device - Google Patents

Plate-type heat recovery device Download PDF

Info

Publication number
CN201575733U
CN201575733U CN2009202693818U CN200920269381U CN201575733U CN 201575733 U CN201575733 U CN 201575733U CN 2009202693818 U CN2009202693818 U CN 2009202693818U CN 200920269381 U CN200920269381 U CN 200920269381U CN 201575733 U CN201575733 U CN 201575733U
Authority
CN
China
Prior art keywords
plate
raised line
heat recovery
type heat
core body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202693818U
Other languages
Chinese (zh)
Inventor
朱红峰
汪建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Jiaway Energy-efficient Technology Co Ltd
Original Assignee
Zhejiang Jiaway Energy-efficient Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Jiaway Energy-efficient Technology Co Ltd filed Critical Zhejiang Jiaway Energy-efficient Technology Co Ltd
Priority to CN2009202693818U priority Critical patent/CN201575733U/en
Application granted granted Critical
Publication of CN201575733U publication Critical patent/CN201575733U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a plate-type heat recovery device, which resolves the problem of no plate-type heat recovery devices with simple structure, convenient manufacturing and high heat transfer efficiency in the prior art. The plate-type heat recovery device comprises angle beads, sealing components, an upper end plate, a lower end plate and an exchanging core. The upper end plate and the lower end plate are respectively positioned at the upper end and the lower end of the exchanging core, amount of the angle beads and amount of the sealing components are both equal to that of spacing strips, the angle beads are arranged on the spacing strips of the exchanging core, two ends of each angle bead are respectively fixed on the upper end plate and the lower end plate, and the sealing components are fixed between the exchanging core and the angle beads. The plate-type heat recovery device is characterized in that the exchanging core is formed by overlapping at least two fin sets, and each fin set is formed by overlapping two fins with corresponding side mutually meshed. Convex strips are respectively and evenly distributed on the front face and the rear face of each fin, two ends of each convex strip are both semicircular, a cylindrical boss is disposed on each convex strip, and corresponding bosses on two adjacent fins are mutually overlapped. The plate-type heat recovery device has the advantages of reasonable structural design, simple manufacturing, fine heat transfer effect, convenient cleaning and maintenance and repair.

Description

A kind of plate-type heat recovery device
Technical field
The utility model relates to a kind of plate-type heat recovery device, is mainly used in the recovery waste heat by heat exchange, can be widely used in the industries such as chemical industry, weaving, cement, thermoelectricity.
Background technology
Plate-type heat recovery device is mainly used in and carries out heat exchange between the different medium, thereby can recovery waste heat, improve rate of energy, the application surface of plate-type heat recovery device is wider, it is low that heat reclamation device at present commonly used has a heat recovery efficiency, shortcomings such as sealing effectiveness difference, thus make heat-transfer effect undesirable, the cost of plant maintenance and maintenance is higher, is difficult to use in the place that heat recovery rate is had relatively high expectations.
Certainly, some heat-transfer effects heat reclamation device is relatively preferably also arranged, as the applying date be on December 02nd, 2003, publication number is in 2662188 the Chinese patent, to disclose a kind of plate type heat exchanger, and the plate of this plate type heat exchanger is shaped as flap shape, solve the problem that the media flow resistance is big, energy consumption is big, heat transfer efficiency is low with this, but the structure of this plate is comparatively complicated, and the manufacturing of plate is difficulty comparatively, and inconvenient to the cleaning and the maintenance of plate.
And for example the applying date is on 06 05th, 2007, publication number is in 101319855 the Chinese patent, a kind of plate-type heat recovery heat exchanger is disclosed, burn-on to take over and constitute a plate bundle in the side of the cystiphragm of per two the two-sided projectioies of this patent, form the I runner, two plate bundles weld together makes per two plate interfasciculars form the II runner, and the structure of this plate-type heat recovery heat exchanger is comparatively complicated, make comparatively difficulty, service life is shorter.
In sum, also do not have at present a kind of simple in structure, easily manufactured, the plate-type heat recovery device that heat transfer efficiency is high.
The utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, and makes simply, and heat-transfer effect is good, is convenient to the plate-type heat recovery device of safeguarding and keeping in repair.
The technical scheme in the invention for solving the above technical problem is: this plate-type heat recovery device, comprise angle bead, seal, upper head plate, the exchange core body that bottom plate and peripheral band are gapped, wherein upper head plate and bottom plate lay respectively at the top and bottom of exchange core body, the individual number average of described angle bead and seal equates with the gap bar, described angle bead is positioned on the gap bar of exchange core body, the two ends of this angle bead are separately fixed on upper head plate and the bottom plate, described seal is fixed between exchange core body and the angle bead, its characteristics are: described exchange core body is formed by stacking by at least two group fins set, and this fins set is formed by stacking by the fin of two mutual interlocks of corresponding sides; Described fin is an integral structure, and the tow sides of this fin are uniformly distributed with raised line, and the two ends of described raised line are semicircle, has columned boss on this raised line, the corresponding boss mutual superposition on the described two adjacent fins.Make heat exchanger effectiveness height of the present utility model thus, medium can access sufficient heat exchange when flowing through fin, and installation of the present utility model is simple and easy, and is easy to clean, is convenient to safeguard and maintenance.
Raised line described in the utility model comprises horizontal raised line and vertical raised line, and described horizontal raised line and vertical raised line are distributed in respectively on the obverse and reverse of fin.Make that thus heat transfer efficiency of the present utility model is higher.
Being shaped as of fin described in the utility model is square, described exchange core body be shaped as cuboid, the adjacent side intersection of this exchange core body all has an interspace bar.Make manufacturing of the present utility model more easy thus, it is more even to conduct heat.
The material of seal described in the utility model is resin or glass cement or bipeltate.Make good seal performance of the present utility model thus, the medium in the fins set of guaranteeing to flow through does not leak, and has improved the quality of plate-type heat recovery device.
The number of plies of the mutual interlock of corresponding sides in the fins set described in the utility model on two fins is five layers.Make that thus the undercut structure between two fins is more firm in the utility model fins set, the sealing effectiveness of plate-type heat recovery device is better, leaks out the undercut structure of medium between two fins in the fins set that prevents to flow through.
Horizontal raised line described in the utility model is vertical mutually with vertical raised line.Make that thus heat-transfer effect of the present utility model is better, the efficient of heat exchange is higher.
The height of raised line described in the utility model is between 4-8mm, and the height of described boss is between 1-4mm.Make that thus applicable surface of the present utility model is wider.
The cross section of angle bead described in the utility model is trapezium structure.Making thus between exchange core body of the present utility model and the angle bead can the more resin of can, thereby has improved the sealing property to exchange core body intermediate gap bar, prevents that the medium of fin both sides from leaking out from the gap bar of exchange core body.
The utility model compared with prior art has the following advantages and effect: structural design of the present utility model is simple, reasonable, and easily manufactured, production cost is low.Because the exchange core body in the utility model is formed by stacking by fins set, makes installation and removal of the present utility model comparatively simple and easy, thereby greatly facilitates the maintenance and the maintenance of equipment.
Fin of the present utility model is an integral structure, corresponding boss mutual superposition in the exchange core body on the two adjacent fins, that is to say that the cylindrical boss between the two adjacent fins is mutually to the top in the utility model, making can be more for the gap of media flow between the two adjacent fins, thereby has improved heat exchange efficiency.
In the utility model on the fin two ends of raised line be semicircle, being shaped as of boss is cylindric, that is to say and have more slick and sly excessively face on raised line in the utility model and the boss, thereby greatly reduce the resistance that medium produced of fin surface, reduced the required energy consumption of media flow the fin of flowing through.
Raised line in the utility model comprises horizontal raised line and vertical raised line, horizontal raised line and vertical raised line lay respectively at the obverse and reverse of fin, when MEDIA FLOW through exchange during core body, medium is subjected to horizontal raised line and stopping of vertical raised line and constantly changes and flow to, thereby increased perturbation action, guaranteed that medium can conduct heat more uniformly medium.
The mutual interlock of corresponding sides on two fins in the utility model fins set, that is to say between two fins in the fins set and seal mutually by the undercut structure, make that not only the structure of exchange core body is more simple and firm in the utility model, and making that the sealing effectiveness in the fins set is better, the medium in the fins set that prevents to flow through leaks.
The material preferred resin of seal in the utility model, the utility model can be fixed to seal between exchange core body and the angle bead by the mode of sealing resin between exchange core body and the angle bead, because resin is that embedding is entered, make resin can be filled into very fully between exchange core body and the angle bead, thereby can be good at the gap bar on the exchange core body is sealed, prevent that effectively the medium of fin both sides from leaking into the outside by the gap bar.
Sound construction of the present utility model, easy to clean, heat exchanger effectiveness height, long service life.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the perspective view of the utility model embodiment;
Fig. 4 is the structural representation after amplify at the A place among Fig. 3;
Fig. 5 is the structural representation after fin amplifies among the utility model embodiment;
Fig. 6 is the backsight structural representation of Fig. 5;
Fig. 7 is the structural representation after raised line 7 amplifies among the utility model embodiment;
Fig. 8 is the sectional structure schematic diagram of A-A face among Fig. 7;
Fig. 9 is the structural representation after the undercut structure is amplified between the two fin corresponding sides in the fins set of the utility model embodiment;
Figure 10 is the structural representation after angle bead amplifies among the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.
Embodiment:
Referring to Fig. 1 to Figure 10, plate-type heat recovery device in the present embodiment comprises exchange core body 1, upper head plate 2, bottom plate 3, four angle beads 4 and four seals, wherein exchanging core body 1 is formed by stacking by 14 groups of fins set, every group of fins set formed by two fins 6, being shaped as of this exchange core body 1 is rectangular-shaped, periphery at exchange core body 1 has four interradicular space bars, and four interradicular space bars lay respectively at four incline places of rectangular-shaped exchange core body 1.
Every group of fins set in the present embodiment formed by two fins 6, wherein fin 6 is an integral structure, in the present embodiment fin 6 be shaped as square, front and back at fin 6 is distributed with raised line 7, the two ends of raised line 7 are semicircle, the two ends that is to say raised line 7 all are slick and sly excessively shape, thereby greatly reduce the flow through resistance of the medium in the exchange core body 1 of 7 pairs of raised lines.Have columned boss 8 on the raised line 7 in the present embodiment, boss 8 is positioned at the center on the raised line 7.Height a is the height of raised line 7, height b is the height of boss 8, the height a of raised line 7 is 6mm in the present embodiment, the height b of boss 8 is 2.5mm, the height a of raised line 7 can be between 4-8mm in the utility model, and the height b of boss 8 can be between 1-4mm, certainly, the numerical value of height a in the utility model and height b can also be decided as the case may be, is not limited to above-mentioned number range.Fin 6 in the utility model also can be other shapes, as rhombus, circle etc.
Raised line 7 in the present embodiment is made up of horizontal raised line 71 and vertical raised line 72, and wherein horizontal raised line 71 is evenly distributed on the front 61 of fin 6, and vertical raised line 72 is evenly distributed on the reverse side 62 of this fin 6, and is vertical mutually between horizontal raised line 71 and the vertical raised line 72.The front 61 of said fin 6 and reverse side 62 are common practise for a person skilled in the art in the utility model.Raised line 7 and boss 8 in the present embodiment are stamped to form on fin 6, as to be distributed in horizontal raised line 71 on the front 61 of fin 6 be evagination at positive 61 places, and the position that is positioned at horizontal raised line 71 places on the reverse side 62 of fin 6 is a horizontal raised line groove 73; In like manner, as to be distributed in vertical raised line 72 on the reverse side 62 of fin 6 be evagination at reverse side 62 places of fin 6, and at 61 places, front of fin 6 and present the vertical raised line groove 74 of indent.This shows, present embodiment has the raised line 7 and the boss 8 of evagination on the one side of fin 6, and in the another side corresponding position of fin 6 be one with raised line 7 and boss 8 corresponding grooves, make that thus the structure of fin 6 is more simple in the present embodiment, the heat exchange area of fin 6 is bigger, improved the heat exchange efficiency of equipment, certainly, the raised line 7 in the utility model and the structure of boss 8 also can be entities, promptly on the front 61 of fin 6 and reverse side 62, all only be provided with the raised line 7 and the boss 8 of evagination, and do not have the groove of indent.The medium that 72 pairs of horizontal raised line 71 and vertical raised lines are flowed through on the fin 6 in the present embodiment has stronger perturbation action, makes medium can carry out heat exchange more fully thus when flowing through fin 6.
Fins set in the present embodiment is made up of two square fins 6, in fins set, the mutual interlock of corresponding sides on two fins 6, it is the corresponding interlock of the four edges on two square fins 6 in the present embodiment, that is to say in the present embodiment fins set and seal by the undercut structure between two fins 6, undercut structure in the present embodiment is a five-layer structure, promptly the flanging of mutual interlock place of corresponding sides is five layers in two fins, thereby improved the sealing property of fins set, strengthen the mechanical strength of exchange core body 1, prolonged the service life of equipment.There is the gap in fins set in the present embodiment on its four angles, seal by the undercut structure of corresponding sides because be difficult to herein.Two fin 6 mutual superposition in the present embodiment on the fins set, corresponding boss 8 on the fin 6 is overlapped, that is to say on two fins 6 in the same fins set corresponding boss 8 mutually to the top, because the space that occupies of boss 8 is less, thereby under the prerequisite of guaranteeing the fins set structural strength, enlarge the space of the confession media flow in the fins set, improved heat exchange efficiency.
Exchange core body 1 in the present embodiment is formed by stacking by 14 groups of fins set, the corresponding boss 8 of fin 6 is overlapped on the two adjacent fins set, exchange core body 1 in the present embodiment is rectangular-shaped, four interspace bars have just been formed in the gap that is positioned on four angles of fins set, four interspace bars lay respectively at four incline places of rectangular-shaped exchange core body 1, that is to say on four angles of fins set and do not carry out interlock by the undercut structure, make and all have the gap on four angles of fins set, gap arrangement in exchange core body 1 on the fins set corresponding angles is formed an interradicular space bar, the position of gap bar just in time is positioned at the incline place of rectangular-shaped exchange core body 1, that is to say at four incline places of rectangular-shaped exchange core body 1 has an interradicular space bar respectively, and promptly the gap bar in the present embodiment is to be arranged by the breach between the two adjacent sides in the rectangular-shaped exchange core body 1 to form.The radical of the gap bar in the utility model on the exchange core body 1 can be decided according to actual conditions, main is to determine according to the shape of exchange core body 1, be usually located at the intersection of two adjacent sides in the exchange core body 1, because the intersection of two adjacent sides is difficult to seal by the undercut structure in the exchange core body 1.In order to improve the sealing property of exchange core body 1, the exchange core body 1 interior medium that prevents to flow through leaks out from the bar of gap in the present embodiment, and present embodiment seals the gap bar on the exchange core body 1 by seal.
Exchange core body 11 in the present embodiment is formed by stacking by 14 groups of fins set, that is to say by 28 square fins 6 and be formed by stacking, corresponding boss 8 in the present embodiment exchange core body 11 on the two adjacent fins 6 is mutual superposition, make that the spacing between the two adjacent fins 6 is 17mm, promptly the spacing between the two adjacent fins 6 is the raised line height a of twice and the boss height b sum of twice.Corresponding boss 8 in the present embodiment between the two adjacent fins 6 to the top, supports fin 6 by relative area and the less boss 8 of volume mutually, can be for the space of media flow between the two adjacent fins 6 thereby increased.And the front 61 of fin 6 is uniformly distributed with horizontal raised line 71, and the reverse side 62 of fin 6 is uniformly distributed with vertical raised line 72, thereby has improved the heat exchange efficiency of exchange core body 11.The group number of fins set can be decided according to actual conditions in the utility model, but two groups of fins set will be arranged at least, and the group number of fins set is usually between the 10-20 group in the utility model.
Upper head plate 2 in the present embodiment and bottom plate 3 are separately fixed at the upper surface and the lower surface of exchange core body 1, four angle beads 4 lay respectively on the four interradicular space bars of exchange core body 1, the two ends of every angle bead 4 are separately fixed on upper head plate 2 and the bottom plate 3, the fins set that will exchange mutual superposition in the core body 1 in the present embodiment by upper head plate 2, bottom plate 3 and four angle beads 4 compresses, make that thus the structure of plate-type heat recovery device is more simple in the present embodiment, be convenient to the maintenance and the maintenance of equipment.
Seal in the present embodiment is fixed between the gap bar of angle bead 4 and exchange core body 1, all is fixed with seal between the gap bar of every angle bead 4 and exchange core body 1.The number of seal is four in the present embodiment, the radical of angle bead 4 is four, the radical of gap bar also is four on the exchange core body 1, the quantity that is angle bead 4 in the present embodiment, seal and gap bar is four, and the number needs of angle bead 4, seal and gap bar will keep equal in the utility model.Seal in the present embodiment is the resin material, resin enters between the gap bar of angle bead 4 and exchange core body 1 by can, make seal can be positioned at firmly between angle bead 4 and the exchange core body 1, and resin seal can be filled in the gap bar of exchange core body 1 more fully, thereby the gap bar to exchange core body 1 has played better sealing function, and the medium in the fins set that prevents to flow through leaks out from the bar of gap.
Angle bead 4 in the present embodiment is the vertical bar shape, and the cross section of angle bead 4 is trapezium structure, makes resin can be filled to more fully between the gap bar of angle bead 4 and exchange core body 1, thereby has strengthened the sealing function of seal to gap bar on the exchange core body 1.Since resin good fluidity before curing, the cured strength height, and good airproof performance so the resin of can between angle bead 4 and exchange core body 1 can better seal the gap bar in the exchange core body 1, has strengthened the sealing property of fins set in the exchange core body 1.Certainly, seal in the utility model also can use other material manufacturings to form, preferably can enter between the space bar of angle bead 4 and exchange core body 1 by can, and the material that can solidify also can be glass cement or bipeltate as the material of seal.
Exchange core body 1 in the present embodiment is formed by stacking by fins set, need not welding between each fins set, greatly facilitates the installation and removal of equipment.Be distributed with horizontal raised line 71 and vertical raised line 72 on the fin 6 in the present embodiment, improved heat exchange efficiency greatly.
Above content described in this specification only is to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.

Claims (8)

1. plate-type heat recovery device, comprise angle bead, seal, upper head plate, the exchange core body that bottom plate and peripheral band are gapped, wherein upper head plate and bottom plate lay respectively at the top and bottom of exchange core body, the individual number average of described angle bead and seal equates with the gap bar, described angle bead is positioned on the gap bar of exchange core body, the two ends of this angle bead are separately fixed on upper head plate and the bottom plate, described seal is fixed between exchange core body and the angle bead, it is characterized in that: described exchange core body is formed by stacking by at least two group fins set, and this fins set is formed by stacking by the fin of two mutual interlocks of corresponding sides; Described fin is an integral structure, and the tow sides of this fin are uniformly distributed with raised line, and the two ends of described raised line are semicircle, has columned boss on this raised line, the corresponding boss mutual superposition on the described two adjacent fins.
2. plate-type heat recovery device according to claim 1 is characterized in that: described raised line comprises horizontal raised line and vertical raised line, and described horizontal raised line and vertical raised line are distributed in respectively on the obverse and reverse of fin.
3. plate-type heat recovery device according to claim 1 and 2 is characterized in that: being shaped as of described fin is square, described exchange core body be shaped as cuboid, the adjacent side intersection of this exchange core body all has an interspace bar.
4. plate-type heat recovery device according to claim 1 and 2 is characterized in that: the material of described seal is resin or glass cement or bipeltate.
5. plate-type heat recovery device according to claim 1 and 2 is characterized in that: the number of plies of the mutual interlock of corresponding sides in the described fins set on two fins is five layers.
6. plate-type heat recovery device according to claim 2 is characterized in that: described horizontal raised line is vertical mutually with vertical raised line.
7. plate-type heat recovery device according to claim 1 and 2 is characterized in that: the height of described raised line is between 4-8mm, and the height of described boss is between 1-4mm.
8. plate-type heat recovery device according to claim 4 is characterized in that: the cross section of described angle bead is trapezium structure.
CN2009202693818U 2009-11-06 2009-11-06 Plate-type heat recovery device Expired - Fee Related CN201575733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202693818U CN201575733U (en) 2009-11-06 2009-11-06 Plate-type heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202693818U CN201575733U (en) 2009-11-06 2009-11-06 Plate-type heat recovery device

Publications (1)

Publication Number Publication Date
CN201575733U true CN201575733U (en) 2010-09-08

Family

ID=42695610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202693818U Expired - Fee Related CN201575733U (en) 2009-11-06 2009-11-06 Plate-type heat recovery device

Country Status (1)

Country Link
CN (1) CN201575733U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102445102A (en) * 2011-12-09 2012-05-09 中国五环工程有限公司 Heat exchange fin structure and self-tightness sealing plate heat exchanger and manufacture method thereof
CN101706220B (en) * 2009-11-06 2012-07-04 浙江佳为节能科技有限公司 Plate-type heat recovery device
CN108489319A (en) * 2018-05-21 2018-09-04 南京宜热纵联节能科技有限公司 A kind of gas heat exchanger plate convenient for deashing
RU186155U1 (en) * 2018-03-06 2019-01-11 Константин Николаевич Колмаков Heat recovery device in supply and exhaust ventilation systems of buildings and structures

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101706220B (en) * 2009-11-06 2012-07-04 浙江佳为节能科技有限公司 Plate-type heat recovery device
CN102445102A (en) * 2011-12-09 2012-05-09 中国五环工程有限公司 Heat exchange fin structure and self-tightness sealing plate heat exchanger and manufacture method thereof
RU186155U1 (en) * 2018-03-06 2019-01-11 Константин Николаевич Колмаков Heat recovery device in supply and exhaust ventilation systems of buildings and structures
CN108489319A (en) * 2018-05-21 2018-09-04 南京宜热纵联节能科技有限公司 A kind of gas heat exchanger plate convenient for deashing

Similar Documents

Publication Publication Date Title
CN201575733U (en) Plate-type heat recovery device
US9453685B2 (en) Plate-fin type heat exchanger without sealing strip
CN103424024A (en) Plate heat exchanger and plate thereof
CN103727828A (en) Plate heat exchanger plate with fluid passages different in cross sectional area and plate heat exchanger
CN202885612U (en) Welded plate heat exchanger
CN101706220B (en) Plate-type heat recovery device
CN201583181U (en) Coarse-pitch and wide-flow channel plate type heat exchanger
CN203572278U (en) Brazing sheet type heat exchanger
CN103673720A (en) Heat exchanger sheet
CN201203376Y (en) Internal screw tube and heat exchanger
CN103424014A (en) Plate heat exchanger
CN203454887U (en) Heat exchanging plate and plate type heat exchanger
CN201449191U (en) Superposed concave-convex plate type heat exchanger
CN201225853Y (en) Wide channel plate heat exchanger with detachable intensified element on one side
CN202770282U (en) Plate type heat exchanger
CN2828709Y (en) Spiral-plate heat exchanger
CN206593516U (en) A kind of novel sealing structure shell-and-tube heat exchanger
CN206037804U (en) Positioner of heat exchanger board group
CN109141095A (en) A kind of plate heat exchanger of good airproof performance
CN201575741U (en) Exchange core body used for plate type heat recovery device
CN100561103C (en) A kind of welded plate type heat exchanger
CN204007250U (en) A kind of three runner spiral-plate heat exchangers
CN202547470U (en) All-welded energy-saving heat exchanger plate sheets
CN201583179U (en) Fin of plate-type heat-reclaiming device
CN206235216U (en) A kind of pure adverse current plate heat exchanger of no-welding type self-supporting

Legal Events

Date Code Title Description
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: 20100908

Termination date: 20101106