CN219474368U - Water side pipeline assembly of single-system plate heat exchanger - Google Patents
Water side pipeline assembly of single-system plate heat exchanger Download PDFInfo
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- CN219474368U CN219474368U CN202320742940.2U CN202320742940U CN219474368U CN 219474368 U CN219474368 U CN 219474368U CN 202320742940 U CN202320742940 U CN 202320742940U CN 219474368 U CN219474368 U CN 219474368U
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- heat exchanger
- pipeline
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- plate heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a water side pipeline assembly of a single-system plate heat exchanger, which comprises a plate heat exchanger, a first pipeline assembly and a side branch pipe; one side of the plate heat exchanger is respectively connected with a first pipeline component and a side branch pipe through a groove clamp, the side branch pipe comprises a second pipeline component, a Y-shaped filter and a third pipeline component, the second pipeline component, the Y-shaped filter and the third pipeline component are sequentially connected, and the third pipeline component is connected with the plate heat exchanger through the groove clamp; the third pipeline component is provided with a ball valve component, the first pipeline component is provided with a differential pressure switch component, and an interface for connecting the ball valve component and the differential pressure switch component is communicated through a plastic hose. The water side pipeline assembly of the single-system plate heat exchanger is simple in assembly, stable in structure, and capable of preventing freezing and dirt blocking, and plays a certain promoting role in popularization and application of the plate heat exchanger.
Description
Technical Field
The utility model belongs to the technical field of water side plate heat exchangers for central air conditioners, and particularly relates to a water side pipeline assembly of a single-system plate heat exchanger.
Background
The plate heat exchanger has the advantages of high heat transfer coefficient, small occupied area, light weight and the like, and the common evaporator of the conventional air-cooled water chilling unit is generally a shell-and-tube heat exchanger or a plate heat exchanger. However, the plate heat exchanger is not applied to domestic air conditioner manufacturers, and the reasons are that the plate heat exchanger is not resistant to dirt blockage and is easy to generate frost cracking and the like.
On the other hand, the pipeline components on the water exchange side of the plate are more, and compared with the traditional shell-and-tube heat exchanger, the assembly of the pipeline components on the water exchange side of the plate needs a plurality of procedures and man-hours. In addition, for the plate replacement of a single system, the number of the fixing bolts is generally only two, and the fixing of the support is very important, if the fixing is not firm, the plate replacement is easy to shake, and the risk of leakage caused by the occurrence of vibration crack of a refrigerant pipeline or a water side pipeline is easy to occur.
Disclosure of Invention
In view of the above, the utility model aims to solve the problems that the bracket is not firmly fixed, the pipeline is not resistant to filth blockage and frost cracking is easy to occur.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a water side pipeline assembly of a single-system plate heat exchanger comprises a plate heat exchanger, a first pipeline assembly and a side branch pipe;
one side of the plate heat exchanger is respectively connected with a first pipeline component and a side branch pipe through a groove clamp,
the side branch pipe comprises a second pipeline component, a Y-shaped filter and a third pipeline component, the second pipeline component, the Y-shaped filter and the third pipeline component are sequentially connected, and the third pipeline component is connected with the plate heat exchanger through a groove clamp;
the third pipeline component is provided with a ball valve component, the first pipeline component is provided with a differential pressure switch component, and an interface for connecting the ball valve component and the differential pressure switch component is communicated through a plastic hose.
Further, a fixed block is arranged above the pipeline bracket assembly; the first pipeline assembly and the second pipeline assembly are fixed through the pipeline bracket assembly and the fixed block; one end of the first pipeline component and one end of the second pipeline component, which are far away from the plate heat exchanger, are connected with a flange plastic cover.
Further, pipeline support subassembly includes upper bracket, ring piece, baffle, and the fixed block sets up the top at upper bracket, and the bottom of upper bracket is equipped with first U-shaped fixed slot, and the ring piece sets up the U-shaped bottom at first U-shaped fixed slot, and the both sides and the top of upper bracket are equipped with first rectangle piece, and the U-shaped both sides of the first U-shaped fixed slot of upper bracket are equipped with the second rectangle piece, and the second rectangle piece is connected with the ring, and the baffle sets up one side at upper bracket.
Further, the baffle is L shape, one side and the upper portion leg joint of baffle, the opposite side and the first rectangular piece bolted connection of baffle, one side of being connected between baffle and the upper portion is equipped with the second U-shaped fixed slot that corresponds with first U-shaped fixed slot, this device is fixed first steel pipe in the first pipeline subassembly through first U-shaped fixed slot and second U-shaped fixed slot, when needs dismantlement, dismantles the baffle from upper portion support, can accomplish, can not cause the damage to the pipeline.
Further, a bottom mounting plate is arranged at the bottom of the upper bracket, and an upper bracket bolt is mounted on the chassis.
Furthermore, a plate exchange bracket is arranged at the bottom of the plate heat exchanger, and the plate heat exchanger is connected with the chassis through the plate exchange bracket.
Further, the plate replacing support comprises a bottom support and a side support, the bottom support is fixedly arranged on one side of the side support, the bottom support is L-shaped, the horizontal end of the bottom support is fixedly arranged on the side support, a first mounting plate is arranged at the end part of the vertical end of the bottom support, a first mounting hole is formed in the first mounting plate, a second mounting plate is arranged at the bottom of the side support, and a second mounting hole is formed in the second mounting plate; the plate replacing support is mounted on the chassis through a first mounting hole and a second mounting hole.
Two side plate mounting plates are arranged on the side support, a third mounting hole is formed in the side mounting plate, and the side support is arranged on one side of the plate heat exchanger through a third mounting hole bolt.
Further, the first pipeline component comprises a first steel pipe, a reducing steel pipe and a mounting flange, the first steel pipe, the reducing steel pipe and the mounting flange are sequentially and fixedly arranged, two cone interfaces are arranged on the first steel pipe, one cone interface is connected with the differential pressure switch component, and the other cone interface is connected with a drain valve;
the flange plastic cover is mounted on the mounting flange. The flange plastic cover is installed on the installation flange.
Further, the ball valve assembly comprises a first ball valve and a first right-angle joint, wherein the first right-angle joint is arranged above the first ball valve, and preferably, the first ball valve and the first right-angle joint are in threaded installation.
Further, the differential pressure switch assembly comprises a second right-angle joint, a differential pressure gauge and a second ball valve, the differential pressure gauge is arranged on one side of the second ball valve, the second right-angle joint is arranged above the second ball valve, and preferably, the second ball valve and the second right-angle joint are in threaded installation.
The first right-angle connector and the second right-angle connector are connected through a plastic hose.
Compared with the prior art, the water side pipeline assembly of the single-system plate heat exchanger has the following beneficial effects:
according to the plate heat exchanger and the water side pipeline fixing device, the plate exchange support and the pipeline support are optimally designed to fix the plate heat exchanger and the water side pipeline; the Y-shaped filter and the water pressure difference switch are adopted to effectively avoid the occurrence of frost crack plate replacement possibly caused by dirty blockage or water quantity reduction; the simple water side flange cover design is adopted, so that impurities are prevented from entering the water side pipeline when the unit is transported or stored. The water side pipeline assembly of the plate heat exchanger is simple to assemble, stable in structure, and freezing-proof and dirt-proof, and plays a certain promoting role in popularization and application of the plate heat exchanger.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a water side piping assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the overall installation of a water side piping assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a plate change bracket of a water side tube assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a first piping component of a water side piping component of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a differential pressure switch assembly for a water side tube assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a ball valve assembly of a water side tube assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
FIG. 7 is a schematic view of a piping bracket assembly of a water side piping assembly of a single system plate heat exchanger according to an embodiment of the present utility model;
fig. 8 is a schematic view of a flange plastic cover of a water side piping assembly of a single system plate heat exchanger according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a plate heat exchanger; 2. a plate replacing bracket; 2-1, a bottom bracket; 2-2, side supports; 3. a first conduit assembly; 3-1, a first steel pipe; 3-2, a cone tooth interface; 3-3, reducing steel pipes; 3-4, mounting flanges; 4. a second conduit assembly; 5. a Y-type filter; 6. a third conduit assembly; 7. groove clamp; 8. a ball valve assembly; 8-1, a first ball valve; 8-2, a first right-angle joint; 9. a differential pressure switch assembly; 9-1, a second right angle connector; 9-2, a differential pressure gauge; 9-3, a second ball valve; 10. a plastic hose; 11. a pipeline bracket assembly; 11-1, upper rack; 11-2, a circular ring piece; 11-3, a baffle; 12. a fixed block; 13. a rubber ring; 14. a flange plastic cover; 15. a drain valve; 16. a chassis.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Water side pipeline assembly of single-system plate heat exchanger 1: the plate type heat exchanger is formed by sequentially assembling and fixing a plate type heat exchanger 1, a plate exchange bracket 2, a first pipeline component 3, a second pipeline component 4, a Y-shaped filter 5, a third pipeline component 6, a groove clamp 7, a ball valve component 8, a differential pressure switch component 9, a plastic hose 10, a pipeline bracket component 11, a fixed block 12, a rubber ring 13, a flange plastic cover 14, a drain valve 15, a chassis 16 and the like.
The plate heat exchanger 1 is a single-system heat exchange plate, and the plate exchange bracket 2 is arranged on the chassis 16 through M10 bolts; the plate heat exchanger 1 is fixed on the plate exchange bracket 2 through an M8 bolt; the first pipeline component 3 is connected with a water gap at the lower part of the plate exchange through a groove clamp 7 and is fixed through a pipeline bracket; the second pipeline component 4, the Y-shaped filter 5 and the third pipeline component 6 are respectively connected through a groove clamp 7 in sequence, the interface at the other side of the third pipeline component 6 is connected with a water gap at the upper part of the plate heat exchanger 1 through the groove clamp 7, and the second pipeline component 4 is fixed on a pipeline bracket through a fixed block 12; the ball valve assembly 8 is arranged above the third pipeline assembly 6, the differential pressure switch assembly 9 is arranged above the first pipeline assembly 3, and the plastic hose 10 is used for communicating an interface for connecting the ball valve assembly 8 and the differential pressure switch assembly 9; the flange plastic covers 14 are respectively arranged on flange openings of the first pipeline assembly 3 and the second pipeline assembly 4;
the plate change bracket 2 is formed by welding a bottom bracket 2-1 and a side bracket 2-2;
the first pipeline component 3 is formed by welding and assembling a mounting flange 3-4 (DN 65 flange), a reducing steel pipe 3-3 (DN 40-DN 65 steel pipe reducing), and a first steel pipe 3-1; the second pipeline assembly 4 is formed by sequentially welding a DN65 flange, a DN 40-to-DN 65 steel pipe reducing, a second steel pipe and the like; the third pipeline assembly 6 consists of a third steel pipe; the ball valve assembly 8 is formed by connecting a first ball valve 8-1 and a first right-angle joint 8-2 in a threaded manner; the differential pressure switch assembly 9 is formed by connecting a second ball valve 9-3, a differential pressure gauge 9-2 and a second right-angle joint 9-1 in a threaded manner;
the pipeline bracket is formed by welding and assembling a baffle 11-3, a circular ring piece 11-2, an upper bracket 11-1 and the like in sequence; the chassis 16 is formed by bending, welding and assembling 3mm thick metal plates and is used for supporting a water side pipeline assembly of the plate heat exchanger 1; preferably, the bottom bracket 2-1 and the side bracket 2-2 of the plate replacing bracket 2 are formed by bending, punching and spraying galvanized plates with the thickness of 4 mm; preferably, the first steel pipe 3-1, the second steel pipe and the third steel pipe are DN40 steel pipes, and the lengths are 400mm, 120mm and 130mm respectively; preferably, the Y-shaped filter 5 is a DN40 clamp connection type filter, the number of filter meshes is 80 meshes, and the filter shell is made of brass; preferably, the cone tooth interface 3-2 is NPT1/4; preferably, the first ball valve 8-1 and the second ball valve 9-3 are made of brass, and are provided with rotary handles, one side of the interface is provided with outer teeth R1/4, and the other side of the interface is provided with inner teeth R1/4; preferably, the drain valve 15 is made of stainless steel and is provided with a rotary handle, one side of the drain valve is provided with an external tooth R1/4 in size, and the other side of the drain valve is provided with an unthreaded interface; preferably, the first right-angle joint 8-2 and the second right-angle joint are made of brass, one side is an external thread R1/4 interface, and the other side is a 6mm hose locking horn head; preferably, the on-off pressure difference of the pressure difference meter 9-2 is 50kpa, and the upper and lower interfaces are external thread G1/4 interfaces; preferably, the plastic hose 10 is made of nylon material, the outer diameter is 6mm, and the temperature resistant range is-35-120 ℃; preferably, the baffle plate 11-3 of the pipeline bracket and the upper bracket 11-1 are formed by bending, punching and spraying a hot dip galvanized plate with the thickness of 3 mm; the circular ring sheet 11-2 is formed by bending, cutting and spraying a hot dip galvanized plate with the thickness of 2 mm; preferably, the rubber ring 13 is formed by thermoplastic rubber, has the length of 100mm, the inner diameter of a circular ring with a section of 50mm and the thickness of 2mm, is opened at one side and is used for wrapping a steel pipe at the fixed position of the first pipeline assembly 3 and the pipeline bracket, so that the steel pipe is prevented from being directly contacted with a metal plate to generate abrasion and the like; preferably, the flange plastic cover 14 is formed by thermal shrinkage, the color is blue, the base is a cake with the thickness of 2mm, and 4 cylindrical protrusions are arranged on the base and used for clamping and sealing four holes of the flange.
The first step is to mount the plate change bracket 2 on the chassis 16, as shown in fig. 2, a schematic diagram of the plate change bracket is provided, and the bottom bracket 2-1 is used for supporting the plate heat exchanger 1 to avoid the plate heat exchanger from sinking and deforming under the action of gravity; the side support 2-2 is used for fixing bolts of the plate heat exchanger 1;
the second step is to install the plate heat exchanger 1 on the plate exchange bracket 2, then connect the first pipeline component 3 with the water gap at the lower part of the plate exchange through the groove clamp 7, then install the pipeline fixing frame 11 on the chassis 16, wrap a layer of rubber 13 on the steel pipe of the first pipeline component 3 near the flange opening during installation, and then clamp the part of steel pipe in the opening of the pipeline component 13. Fig. 3 shows a schematic view of the first line assembly 3, and fig. 5 shows a schematic view of the line bracket 11. Then, the second pipeline assembly 4, the Y-shaped filter 5 and the third pipeline assembly 6 are respectively connected through a groove clamp 7 in sequence, then the other side connector of the third pipeline assembly 6 is connected with a water gap at the upper part of the plate heat exchanger 1 through the groove clamp 7, and the second pipeline assembly 4 is fixed on the pipeline bracket assembly 11 through a fixed block 12; thus, the installation of the pipeline is completed; the third step is that a ball valve assembly 8 is arranged on a third pipeline assembly 6, a differential pressure switch assembly 9 is arranged on the first pipeline assembly 3, and a plastic hose 10 is used for connecting and communicating the interfaces of the ball valve assembly 8 and the differential pressure switch assembly 9; as shown in fig. 4, the ball valve assembly and the differential pressure switch assembly are schematically shown, and the rotary handles of the ball valve assembly 8 and the first ball valve 8-1 of the differential pressure switch assembly 9 are all in an open state during normal operation, so as to communicate the water inlet pipeline with the water outlet pipeline through the plastic hose 10 and measure the pressure drop, and when the water flow of the plate replacement is insufficient, the pressure drop is reduced, and thus the differential pressure switch is timely disconnected, so that the frost crack phenomenon caused by the insufficient water flow of the plate replacement is avoided. Then, the drain valve 15 is arranged on a cone joint at the bottom of the first pipeline assembly; in normal operation, the drain valve 15 is in a closed state, and when the unit is shut down, the valve is opened to drain excessive water in the pipeline, especially in winter, so as to avoid the phenomenon that the residual water gathers and freezes in the plate heat exchanger 1 to cause frost cracking. Then, respectively installing flange plastic covers 14 on flange openings of the first pipeline assembly 3 and the second pipeline assembly 4; the flange plastic cover is arranged to prevent impurities, particles and the like from entering the pipeline and then entering the plate heat exchanger 1 along with water flow to cause dirty blockage, thereby affecting the performance of the unit.
The utility model aims at providing a water side pipeline assembly of a single-system plate heat exchanger, which comprises the following components: fixing the plate heat exchanger and the water side pipeline through the optimally designed plate exchange bracket and the pipeline bracket; the Y-shaped filter and the water pressure difference switch are adopted to effectively avoid the occurrence of frost crack plate replacement possibly caused by dirty blockage or water quantity reduction; the simple water side flange cover design is adopted, so that impurities are prevented from entering the water side pipeline when the unit is transported or stored. The water side pipeline assembly of the plate heat exchanger is simple to assemble, stable in structure, and freezing-proof and dirt-proof, and plays a certain promoting role in popularization and application of the plate heat exchanger.
Claims (10)
1. The utility model provides a water side pipeline subassembly of single system plate heat exchanger which characterized in that: comprises a plate heat exchanger (1), a first pipeline component (3) and a side branch pipe;
one side of the plate heat exchanger (1) is respectively connected with a first pipeline component (3) and a side branch pipe through a groove clamp (7),
the side branch pipe comprises a second pipeline component (4), a Y-shaped filter (5) and a third pipeline component (6), the second pipeline component (4), the Y-shaped filter (5) and the third pipeline component (6) are sequentially connected, and the third pipeline component (6) is connected with the plate heat exchanger (1) through a groove clamp (7);
the third pipeline assembly (6) is provided with a ball valve assembly (8), the first pipeline assembly (3) is provided with a differential pressure switch assembly (9), and the interface for connecting the ball valve assembly (8) and the differential pressure switch assembly (9) is communicated through a plastic hose (10).
2. A water side line assembly for a single system plate heat exchanger according to claim 1 wherein: a fixed block (12) is arranged above the pipeline bracket assembly (11); the first pipeline assembly (3) and the second pipeline assembly (4) are fixed through a pipeline bracket assembly (11) and a fixed block (12); one end of the first pipeline component (3) and one end of the second pipeline component (4) which are far away from the plate heat exchanger (1) are connected with a flange plastic cover (14).
3. A water side line assembly for a single system plate heat exchanger according to claim 2 wherein: the pipeline bracket assembly (11) comprises an upper bracket (11-1), circular ring sheets (11-2) and a baffle plate (11-3), wherein a fixed block (12) is arranged above the upper bracket (11-1), a first U-shaped fixed groove is formed in the bottom of the upper bracket (11-1), the circular ring sheets (11-2) are arranged at the U-shaped bottom of the first U-shaped fixed groove, first rectangular sheets are arranged on the two sides and the top of the upper bracket (11-1), second rectangular sheets are arranged on the two sides of the U-shaped of the first U-shaped fixed groove of the upper bracket (11-1), the second rectangular sheets are connected with the circular ring, and the baffle plate (11-3) is arranged on one side of the upper bracket (11-1).
4. A water side line assembly for a single system plate heat exchanger according to claim 3 wherein: the baffle (11-3) is L-shaped, one side of the baffle (11-3) is connected with the upper bracket (11-1) through bolts, the other side of the baffle (11-3) is connected with the first rectangular sheet through bolts, and a second U-shaped fixing groove corresponding to the first U-shaped fixing groove is formed in one side of the baffle (11-3) connected with the upper portion.
5. A water side tube assembly for a single system plate heat exchanger as claimed in claim 4 wherein: the bottom of the upper bracket (11-1) is provided with a bottom mounting plate, and the upper bracket (11-1) is mounted on the chassis (16) through bolts.
6. A water side line assembly for a single system plate heat exchanger according to claim 1 wherein: the bottom of the plate heat exchanger (1) is provided with a plate exchange bracket (2), and the plate heat exchanger (1) is connected with a chassis (16) through the plate exchange bracket (2).
7. A water side tube assembly for a single system plate heat exchanger as defined in claim 6 wherein: the plate replacing support (2) comprises a bottom support (2-1) and a side support (2-2), wherein the bottom support (2-1) is fixedly arranged on one side of the side support (2-2), the bottom support (2-1) is L-shaped, the horizontal end of the bottom support (2-1) is fixedly arranged on the side support (2-2), a first mounting plate is arranged at the end part of the vertical end of the bottom support (2-1), a first mounting hole is formed in the first mounting plate, a second mounting plate is arranged at the bottom of the side support (2-2), and a second mounting hole is formed in the second mounting plate; the plate replacing bracket (2) is mounted on the chassis (16) through a first mounting hole and a second mounting hole;
two side plate mounting plates are arranged on the side support (2-2), a third mounting hole is formed in the side mounting plate, and the side support (2-2) is arranged on one side of the plate heat exchanger (1) through a third mounting hole bolt.
8. A water side line assembly for a single system plate heat exchanger according to claim 1 wherein: the first pipeline assembly (3) comprises a first steel pipe (3-1), a reducing steel pipe (3-3) and a mounting flange (3-4), wherein the first steel pipe (3-1), the reducing steel pipe (3-3) and the mounting flange (3-4) are sequentially and fixedly arranged, two cone interfaces (3-2) are arranged on the first steel pipe (3-1), one cone interface (3-2) is connected with the differential pressure switch assembly (9), and the other cone interface (3-2) is connected with a drain valve (15);
a flange plastic cover (14) is mounted on the mounting flange (3-4).
9. A water side line assembly for a single system plate heat exchanger according to claim 1 wherein: the ball valve assembly (8) comprises a first ball valve (8-1) and a first right-angle joint (8-2), and the first right-angle joint (8-2) is arranged above the first ball valve (8-1).
10. A water side tube assembly for a single system plate heat exchanger as claimed in claim 9 wherein: the differential pressure switch assembly (9) comprises a second right-angle connector (9-1), a differential pressure gauge (9-2) and a second ball valve (9-3), wherein the differential pressure gauge (9-2) is arranged on one side of the second ball valve (9-3), the second right-angle connector (9-1) is arranged above the second ball valve (9-3), and the first right-angle connector (8-2) and the second right-angle connector (9-1) are connected through a plastic hose (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742940.2U CN219474368U (en) | 2023-04-06 | 2023-04-06 | Water side pipeline assembly of single-system plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320742940.2U CN219474368U (en) | 2023-04-06 | 2023-04-06 | Water side pipeline assembly of single-system plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474368U true CN219474368U (en) | 2023-08-04 |
Family
ID=87442018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320742940.2U Active CN219474368U (en) | 2023-04-06 | 2023-04-06 | Water side pipeline assembly of single-system plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474368U (en) |
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2023
- 2023-04-06 CN CN202320742940.2U patent/CN219474368U/en active Active
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