CN208547262U - Corrosion resistant enamel pipe flue gas condensing heat exchanger - Google Patents
Corrosion resistant enamel pipe flue gas condensing heat exchanger Download PDFInfo
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- CN208547262U CN208547262U CN201820934195.0U CN201820934195U CN208547262U CN 208547262 U CN208547262 U CN 208547262U CN 201820934195 U CN201820934195 U CN 201820934195U CN 208547262 U CN208547262 U CN 208547262U
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Abstract
The utility model discloses a kind of corrosion resistant enamel pipe flue gas condensing heat exchangers, are mounted at the smoke outlet of desulfurizing tower, comprising: support base, heat exchanger bracket, enamel pipe and header；Heat exchanger bracket includes multiple braced frame groups, and multiple braced frame group arrangements stacked on top of one another, each braced frame group includes multiple braced frames being equidistantly arranged in parallel, and undermost braced frame is fixed on support base；Enamel pipe is provided with multiple, and is equidistantly installed in parallel in braced frame formation enamel pipe group, the gap between two enamel pipes of arbitrary neighborhood forms exhaust gases passes；Header is mounted on the both ends of braced frame, the both ends nozzle of enamel pipe be respectively protruding into header and with header can pull connect, be sequentially communicated between the header in any one layer of braced frame group by tube body.The utility model, as heat-exchanging component, has the characteristics that anticorrosive property and heat exchange efficiency are high using enamel pipe.
Description
Technical field
The utility model relates to technical field of heat exchangers, more particularly to a kind of corrosion resistant enamel pipe flue gas condensing
Heat exchanger.
Background technique
Recently as expanding economy, environmental problem is more and more prominent, to cope with increasingly serious atmosphere polluting problem,
Country has put into effect more stringent atmosphere pollutants emission standards.For the SO contained in removing fossil fuel flue gas2, domestic current
The main desulfurization technology for using limestone-gypsum method, this processed flue-gas temperature of sulfur method are relatively low generally at 50 DEG C
Or so, the vapor in flue gas is substantially at saturation state, and contains some harmful fine particulates and solubility in flue gas
Salt is the precursor substance that PM2.5 aerosol is formed, while this low temperature wet flue gas can be condensed into from vapor after chimney discharge
Droplet causes biggish visual pollution to form long white plume in chimney breast.It discharges fume after desulfurization to eliminate
White plume, and reduce in harmful fine particulates and solubility salt placement atmosphere, country each place is launched respectively at present
Relevant environmental protection measure and technical solution, it is desirable that the flue gas after desulfurization first carries out cooling condensation and discharges again, and main purpose is to reduce
Water vapour content in flue gas, thus achieve the purpose that eliminate white plume, but condensed water can cause condensing plant very greatly
Corrosion.
Therefore, how the flue gas condensing heat exchanger that a kind of corrosivity is small and condensation heat transfer is high-efficient is provided and has become ability
The problem of field technique personnel's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of corrosion resistant enamel pipe flue gas condensing heat exchangers, can effectively reduce
The white plume of chimney outlet, while corrosion resistance with higher and the high feature of heat exchange efficiency.
To achieve the goals above, the utility model adopts the following technical solution:
Corrosion resistant enamel pipe flue gas condensing heat exchanger, is mounted at the smoke outlet of desulfurizing tower, comprising:
Support base；
Heat exchanger bracket, the heat exchanger bracket include multiple braced frame groups, multiple braced frame group upper and lower levels
Laying up is set, and each braced frame group includes multiple braced frames being equidistantly arranged in parallel, and undermost braced frame is fixed on
On the support base；
Enamel pipe is equidistantly equipped with multiple enamel pipes, two adjacent enamel in each braced frame in parallel
Gap between pipe forms exhaust gases passes；
Header, the both ends of the braced frame are mounted on the header, and the header includes header end plate sum aggregate case lid,
One end face of the header end plate is fixedly connected with the braced frame, the other end and the collection case lid be detachably connected and with
The collection case lid surrounds a cavity；The header, which covers, is provided with bleeder pipe and drain pipe, and the bleeder pipe and described
Drain pipe is connected to the cavity；
The both ends nozzle of the enamel pipe is respectively protruding into the cavity, and with the header end plate can pull connect；Position
It is sequentially communicated between the collection case lid in any one layer of braced frame group according to the tube body that flows through of cooling water.
As can be seen from the above technical solutions, compared with prior art, the utility model has the following beneficial effects: firstly,
The utility model is using enamel pipe group as heat exchange element, and flue gas flows on the outside of enamel pipe, and cooling water flows in enamel pipe,
Cooled down when flue gas containing saturated steam flows through pipe group, the part vapor in flue gas is condensed into water, changes to reach
Hot purpose.Simultaneously as containing SO in flue gas3, and containing chloride ion, the pH value of condensed water is generally between 2-3, corrosion
Property it is very strong, and the utility model use with excellent corrosion resistance enamel pipe, it is not only anti-aging and have it is good
Heat transfer property.
Secondly, the cooling water in enamel pipe can be discharged completely by drain pipe when the utility model is shut down, avoid north
Square winter temperature is too low to damage cooling water freezing to enamel pipe.After cooling water drainage discharges, bleeder pipe is in enamel shop
Air is discharged, and keeps air pressure in tube body identical as atmospheric pressure.
Finally, the enamel pipe disassembly installation process in the utility model is simple, every enamel pipe can be from the one of heat exchanger
Side extraction is replaced, easy to repair.
It preferably, further include sealing ring in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, on the header end plate
Multiple circular grooves are provided with, the groove slot bottom offers the first through hole for passing through for the enamel pipe, the sealing
Circle is located in the groove, and is coaxially disposed with the first through hole；The annular diameters of the sealing ring are not more than described first
The diameter of through-hole.The setting of sealing ring can be improved the airtight performance between header and enamel pipe, while enough avoid in enamel pipe
Cooling water outflow, and flue gas is avoided to enter in header.
It preferably, further include sealing clamp in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, the sealing clamp
It is sheathed on the peripheral side of the enamel heat exchanger tube and is detachably connected with the header end plate close to the side of the collection case lid,
Two end faces of the sealing ring are contacted with the groove slot bottom and the sealing clamp respectively.The setting of sealing clamp can make
Sealing ring is tightly fastened between header and enamel pipe, and sealing ring is avoided to be displaced.
Preferably, in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, the braced frame is by multiple first
The cube frame of stay tube composition.
It preferably, further include multiple support plates, the support plate in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger
It is arranged in parallel inside the braced frame, and its edge is fixedly connected with the edge of the braced frame, in the support plate
Offer multiple the second through-holes passed through for the enamel pipe group.
Preferably, in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, be parallel to each other two of the braced frame
Side is fixed with multiple second support tubes, and each second support tube is fixed between two adjacent support plates,
End is fixedly connected sequentially, one of edge group of first support tube, second support tube and the support plate
At three-legged structure.
Preferably, in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, any enamel pipe group is each equipped with one
A or multiple wash tub pipes, the wash tub pipe are fixed in the braced frame, and its water outlet is towards the enamel pipe group
Installation.The setting of wash tub pipe can periodically be rinsed enamel pipe, prevent tube surfaces deposit gypsum and influence heat exchange efficiency.
Preferably, in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, the support base includes supporting table and support
Foot, the upper surface of the supporting table are fixedly connected with the braced frame, and lower end surface is fixedly connected with the support leg.
It preferably, further include for collecting flue gas condensing water in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger
Drip pan offers in the supporting table multiple with drip pan shape adaptation drip pan mounting hole, the drip pan peace
Dress hole is located between two braced frames of arbitrary neighborhood, and the drip pan is mounted at the position of the drip pan mounting hole,
And the edge of its water inlet and the supporting table upper surface are seamlessly connected, water outlet is located at the lower end surface of the supporting table, institute
It states water outlet and is connected with pipeline for being guided to flue gas condensing water in other devices.The setting of drip pan is for collecting flue gas
Condensed water can not only avoid condensed water from stopping in heat exchanger surface, additionally it is possible to the machine of being used for is further processed in this way
The process water of group realizes zero water consume in sweetening process, saves water resource.
Preferably, in above-mentioned corrosion resistant enamel pipe flue gas condensing heat exchanger, the collection case lid is far from the header end plate
One end be provided with flanged joint, two adjacent flanged joints are connected to by the tube body.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is main view of the invention, and " → " indicates the circulating direction of flue gas；
Fig. 2 attached drawing is side view of the invention；
Fig. 3 attached drawing is top view of the invention, and " ↑ ↓ " indicates the circulating direction of cooling water；
Fig. 4 attached drawing is the side view of braced frame in the utility model；
Fig. 5 attached drawing is the top view of braced frame in the utility model；
Fig. 6 attached drawing is the side view of header in the utility model；
Fig. 7 attached drawing is the top view of header in the utility model；
Fig. 8 attached drawing is the connection schematic diagram in the utility model between enamel pipe and header end plate.
In figure:
1 is support base, and 11 be supporting table, and 12 be support leg, and 2 be braced frame, and 21 be the first support tube, and 22 be support
Plate, 23 be the second support tube, and 3 be enamel pipe, and 4 be header, and 41 be header end plate, and 42 be collection case lid, and 43 be bleeder pipe, and 44 be thin
Water pipe, 45 be tube body, and 46 be sealing ring, and 47 be sealing clamp, and 48 be flanged joint.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment discloses a kind of corrosion resistant enamel pipe flue gas condensing heat exchanger, is mounted on desulfurizing tower
At smoke outlet, comprising:
Support base 1；
Heat exchanger bracket, heat exchanger bracket include multiple braced frame groups, multiple braced frame group arrangements stacked on top of one another, often
A braced frame group includes multiple braced frames 2 being equidistantly arranged in parallel, and undermost braced frame 2 is fixed on support base 1
On；
Enamel pipe 3 is equidistantly equipped with multiple enamel pipes 3, two adjacent enamel pipes in each braced frame 2 in parallel
Gap between 3 forms exhaust gases passes；
Header 4, the both ends of braced frame 2 are mounted on header 4, and header 4 includes 41 sum aggregate case lid 42 of header end plate, header
One end face of end plate 41 is fixedly connected with braced frame 2, and the other end is detachably connected with collection case lid 42 and surrounds with collection case lid 42
One cavity；In the present embodiment, collects and be bolted between case lid 42 and header end plate 42；Deflation is provided on collection case lid 42
Pipe 43 and drain pipe 44, and bleeder pipe 43 and drain pipe 44 are connected to cavity；Wherein, drain pipe 44 is mounted on collection case lid 42
Bottom end, and the position of its water outlet be lower than positioned at least significant end enamel pipe 3 position；
The both ends nozzle of enamel pipe 3 is respectively protruding into cavity, and with header end plate 41 can pull connect；Positioned at any one layer
It is sequentially communicated between collection case lid 42 in braced frame group according to the tube body 45 that flows through of cooling water.
The utility model is using enamel pipe group as heat exchange element, and flue gas flows on the outside of enamel pipe 3, and cooling water is in enamel
Flowing, is cooled down, the part vapor in flue gas is condensed into when the flue gas containing saturated steam flows through enamel pipe group in pipe 3
Water, to reach heat exchange purpose.Simultaneously as containing SO in flue gas3, and containing chloride ion, the pH value of condensed water is general
Between 2-3, corrosivity is very strong, and the utility model use enamel pipe 3, it is not only anti-aging, anticorrosive and have it is good
Heat transfer property.
It further include in one embodiment sealing ring according to the utility model corrosion resistant enamel pipe flue gas condensing heat exchanger
46, it is provided with multiple circular grooves on header end plate 41, the shaft core position of groove slot bottom is offered for passing through for enamel pipe 3
First through hole, sealing ring 46 are located in the groove, and are coaxially disposed with groove, and the annular diameters of sealing ring 46 are not more than first
The diameter of through-hole.
It is more favorable, further include sealing clamp 47, sealing clamp 47 be sheathed on the peripheral side of enamel pipe 3 and with header end
Plate 41 close to collection case lid 42 side be detachably connected, two end faces of sealing ring 46 respectively with groove slot bottom and sealing clamp 47
Contact.The setting of sealing ring 46 keeps the sealing performance of whole device excellent, while the squeezing to sealing ring 46 plus sealing clamp 47
Pressure effect is in close contact sealing ring 46 and enamel pipe 3 and header end plate 41, guarantees that sealing ring 46 will not be displaced, into one
Step ensure that the stability of whole device.
It is more favorable, collect case lid 42 far from one end of header end plate 41 and is provided with flanged joint 48, two adjacent methods
It is connected between blue pipe fitting 48 by tube body 45.
It further include in another embodiment multiple according to the utility model corrosion resistant enamel pipe flue gas condensing heat exchanger
Support plate 22, support plate 22 is arranged in parallel inside braced frame 2, and its edge is fixedly connected with the edge of braced frame 2, branch
Multiple the second through-holes passed through for enamel pipe 3 are offered on fagging 22.
More favorable, two sides that braced frame 2 is parallel to each other are fixed with multiple second support tubes 23, and each second
Stay tube 23 is fixed between two adjacent support plates 22, and end is fixedly connected sequentially, the first support tube 21, the second support tube
23 and support plate 22 one of edge form three-legged structure.The utility model passes through the first support tube 21, support plate 22
With the setting of the second support tube 23, the splendid braced frame of stability is formed, is further ensured that the stabilization of the heat exchanger course of work
Property.
According to the utility model corrosion resistant enamel pipe flue gas condensing heat exchanger, in another embodiment, any enamel pipe
Group is each equipped with one or more wash tub pipes 5, and wash tub pipe 5 is fixed in braced frame 2, and its water outlet is towards enamel pipe
Group installation.The setting of wash tub pipe 5 can periodically be rinsed enamel pipe 3, prevent 3 surface deposit gypsum of enamel pipe and influence to change
The thermal efficiency.
According to the utility model corrosion resistant enamel pipe flue gas condensing heat exchanger, in another embodiment, support base 1 includes
The upper surface of supporting table 11 and support leg 12, supporting table 11 is fixedly connected with braced frame 2, lower end surface and the fixed company of support leg 12
It connects.
It is more favorable, further include the drip pan 6 for collecting flue gas condensing water, offered in supporting table 11 it is multiple with catchment
Struggle against the drip pan mounting holes of 6 shape adaptations, and drip pan mounting hole is located between two braced frames 2 of arbitrary neighborhood, drip pan 6
It is mounted at the position of drip pan mounting hole, and the edge of its water inlet and 11 upper surface of supporting table are seamlessly connected, water outlet
Positioned at the lower end surface of supporting table 11, water outlet is connected with the pipeline for being guided to flue gas condensing water in other devices.It catchments
The setting of bucket 6 can not only avoid condensed water from stopping in heat exchanger surface, additionally it is possible to by it in this way for collecting flue gas condensing water
The process water for unit is further processed, realizes zero water consume in sweetening process, saves water resource.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. corrosion resistant enamel pipe flue gas condensing heat exchanger, is mounted at the smoke outlet of desulfurizing tower characterized by comprising
Support base (1)；
Heat exchanger bracket, the heat exchanger bracket include multiple braced frame groups, multiple braced frame group upper and lower level laying ups
It sets, each braced frame group includes multiple braced frames (2) being equidistantly arranged in parallel, the undermost braced frame
(2) it is fixed on the support base (1)；
Enamel pipe (3), each braced frame (2) is interior to be equidistantly equipped with multiple enamel pipes (3) in parallel, and adjacent two
Gap between enamel pipe (3) forms exhaust gases passes；
The both ends of header (4), the braced frame (2) are mounted on the header (4), and the header (4) includes header end plate
(41) end face of sum aggregate case lid (42), the header end plate (41) is fixedly connected with the braced frame (2), the other end and institute
Collection case lid (42) is stated to be detachably connected and surround a cavity with the collection case lid (42)；It is provided on the collection case lid (42)
Bleeder pipe (43) and drain pipe (44), and the bleeder pipe (43) and the drain pipe (44) are connected to the cavity；
The both ends nozzle of the enamel pipe (3) is respectively protruding into the cavity, and with the header end plate (41) can pull connect；
Tube body (45) is flowed through successively according to cooling water between the collection case lid (42) in any one layer of braced frame group
Connection.
2. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 1, which is characterized in that further include sealing ring
(46), multiple circular grooves are provided on the header end plate (41), the groove slot bottom is offered for supplying the enamel pipe
(3) first through hole passed through, the sealing ring (46) are located in the groove, and are coaxially disposed with the first through hole, described
The annular diameters of sealing ring (46) are not more than the diameter of the first through hole.
3. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 2, which is characterized in that further include sealing clamp
(47), the sealing clamp (47) is sheathed on the peripheral side of the enamel pipe (3) and with the header end plate (41) close to described
The side of collection case lid (42) is detachably connected, two end faces of the sealing ring (46) respectively with the groove slot bottom and described close
Seal pressing plate (47) contact.
4. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 1, which is characterized in that the braced frame
(2) cube frame to be made of multiple first support tubes (21).
5. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 4, which is characterized in that further include multiple supports
Plate (22), support plate (22) parallel arrangement is internal in the braced frame (2), and its edge and the braced frame (2)
Edge be fixedly connected, multiple the second through-holes passed through for the enamel pipe (3) are offered on the support plate (22).
6. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 5, which is characterized in that the braced frame
(2) two sides being parallel to each other are fixed with multiple second support tubes (23), and each second support tube (23) is fixed on phase
Between two adjacent support plates (22), end is fixedly connected sequentially, first support tube (21), second support
The one of edge for managing (23) and the support plate (22) forms three-legged structure.
7. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 1, which is characterized in that any enamel pipe
Group is each equipped with one or more wash tub pipes (5), and the wash tub pipe (5) is fixed on the braced frame (2), and it goes out
It is installed towards the enamel pipe group at the mouth of a river.
8. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 1, which is characterized in that the support base (1)
Including supporting table (11) and support leg (12), the upper surface of the supporting table (11) is fixedly connected with the braced frame (2), under
End face is fixedly connected with the support leg (12).
9. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 8, which is characterized in that further include for collecting
The drip pan (6) of flue gas condensing water offers multiple catchmenting with the drip pan (6) shape adaptation on the supporting table (11)
Struggle against mounting hole, and the drip pan mounting hole is located between two braced frames (2) of arbitrary neighborhood, drip pan (6) installation
At the position of the drip pan mounting hole, and the edge of its water inlet and the supporting table (11) upper surface are seamlessly connected,
Water outlet is located at the lower end surface of the supporting table (11), and the water outlet is connected with for flue gas condensing water to be guided to other dresses
Pipeline in setting.
10. corrosion resistant enamel pipe flue gas condensing heat exchanger according to claim 1, which is characterized in that the collection case lid
(42) one end far from the header end plate (41) is provided with flanged joint (48), two adjacent flanged joints
(48) it is connected between by the tube body (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934195.0U CN208547262U (en) | 2018-06-15 | 2018-06-15 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934195.0U CN208547262U (en) | 2018-06-15 | 2018-06-15 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN208547262U true CN208547262U (en) | 2019-02-26 |
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ID=65422813
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820934195.0U Active CN208547262U (en) | 2018-06-15 | 2018-06-15 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680043A (en) * | 2018-06-15 | 2018-10-19 | 浙江开尔新材料股份有限公司 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| US20220120771A1 (en) * | 2020-10-16 | 2022-04-21 | Fudan University | On-line measurement for emitted aerosol precursors from industrial sources |
| CN114427601A (en) * | 2020-09-16 | 2022-05-03 | 中国石油化工股份有限公司 | Sealing structure of enamel plate type preheater |
-
2018
- 2018-06-15 CN CN201820934195.0U patent/CN208547262U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680043A (en) * | 2018-06-15 | 2018-10-19 | 浙江开尔新材料股份有限公司 | Corrosion resistant enamel pipe flue gas condensing heat exchanger |
| CN110220394A (en) * | 2019-05-24 | 2019-09-10 | 宁波方太厨具有限公司 | High-efficiency condensation heat exchanger |
| CN114427601A (en) * | 2020-09-16 | 2022-05-03 | 中国石油化工股份有限公司 | Sealing structure of enamel plate type preheater |
| US20220120771A1 (en) * | 2020-10-16 | 2022-04-21 | Fudan University | On-line measurement for emitted aerosol precursors from industrial sources |
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Assignee: Zhejiang Kaier Environmental Technology Co.,Ltd. Assignor: ZHEJIANG KAIER NEW MATERIALS Co.,Ltd. Contract record no.: X2023980042335 Denomination of utility model: Corrosion resistant enamel tube flue gas condensation heat exchanger Granted publication date: 20190226 License type: Common License Record date: 20230924 |