CN114353548A - Low-grade steam energy recovery condensation plate heat exchanger - Google Patents
Low-grade steam energy recovery condensation plate heat exchanger Download PDFInfo
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- CN114353548A CN114353548A CN202111619142.2A CN202111619142A CN114353548A CN 114353548 A CN114353548 A CN 114353548A CN 202111619142 A CN202111619142 A CN 202111619142A CN 114353548 A CN114353548 A CN 114353548A
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Abstract
The invention provides a low-grade steam energy recovery condensation plate type heat exchanger, which comprises a fixed clamping plate, a plate pack, a movable plate, an upper guide rod, a lower guide rod, an upright post and a fixed assembly, wherein the plate pack is arranged between the fixed clamping plate and the movable plate; the upper guide rod and the lower guide rod are respectively arranged at the upper end and the lower end of the plate pack, and the two ends of the upper guide rod and the lower guide rod are respectively fixed on the fixed clamping plate and the upright post; a plurality of fixing components are arranged between the upper end and the lower end of the fixed splint and the movable plate; the upright post is fixedly arranged on one side of the movable plate far away from the plate pack; the fixed clamping plate, the plate pack and the movable plate are all provided with a steam inlet in the middle of the top, a condensate outlet in the middle of the bottom, cooling liquid inlets are symmetrically arranged on the left side and the right side of the condensate outlet in the bottom, and cooling liquid outlets are symmetrically arranged on the left side and the right side of the steam inlet in the top. The invention can reach the requirements of high efficiency, small occupied area, simplicity, reliability and high cost performance, can be applied to various industries and promotes the smooth operation of energy conservation, emission reduction and water conservation.
Description
Technical Field
The invention relates to the technical field of energy utilization and recovery, in particular to a low-grade steam energy recovery condensation plate type heat exchanger.
Background
In the existing heavy industry, light industry and civil industry in China, a lot of low-grade steam is often generated, such as a drainage flash vessel and an exhaust gas of a deaerator of a power plant, waste steam and flash steam of the steel chemical industry and the like. The low-grade steam is not paid attention to due to low pressure and low temperature, so that working media or energy is wasted, and the method runs counter to the current standard reaching of double carbon in China. Conventional shell and tube or other heat exchangers are not well utilized due to space on site, construction costs, steam pressure, etc. The plate heat exchanger has the characteristics of high efficiency, small occupied area and easiness in maintenance, but the conventional plate heat exchanger is not suitable for energy recovery and condensation of low-grade steam, and the cost performance is not high. Against this background, there is a need in the market for a plate heat exchanger specifically designed for low-grade steam working medium and energy recovery.
Therefore, there is a need for further improvements to the prior art.
Disclosure of Invention
The invention aims to provide a low-grade steam energy recovery condensation plate type heat exchanger, which can solve the technical problem that the cost performance is low because the existing plate type heat exchanger is only suitable for high-grade steam energy recovery and condensation.
The invention provides a low-grade steam energy recovery condensation plate type heat exchanger, which comprises a fixed clamping plate, a plate pack, a movable plate, an upper guide rod, a lower guide rod, an upright post and a fixed assembly,
the plate pack is arranged between the fixed clamping plate and the movable plate;
the upper guide rod and the lower guide rod are respectively arranged at the upper end and the lower end of the plate pack, and the two ends of the upper guide rod and the lower guide rod are respectively fixed on the fixed clamping plate and the upright post;
a plurality of fixing assemblies are arranged between the upper end and the lower end of the fixed clamping plate and the movable plate;
the upright post is fixedly arranged on one side of the movable plate far away from the plate pack;
the steam cooling device comprises a fixed clamping plate, a plate pack and a movable plate, wherein the fixed clamping plate, the plate pack and the movable plate are all provided with a steam inlet in the middle of the top, the fixed clamping plate, the plate pack and the movable plate are all provided with a condensate outlet in the middle of the bottom, the fixed clamping plate, the plate pack and the movable plate are all arranged at the bottom, coolant inlets are symmetrically arranged on the left side and the right side of the condensate outlet, and the fixed clamping plate, the plate pack and the movable plate are all arranged at the top, and coolant outlets are symmetrically arranged on the left side and the right side of the steam inlet.
Preferably, the plate pack comprises a plurality of first plates and a plurality of second plates, the first plates and the second plates are arranged in a staggered manner,
the steam inlet, the condensate outlet, the cooling liquid inlet and the cooling liquid outlet on the front surfaces of the first plate and the second plate are respectively provided with a first protruding structure;
the steam inlet, the condensate outlet, the cooling liquid inlet and the cooling liquid outlet on the back surfaces of the first plate and the second plate are all arranged into a first groove structure;
the first protruding structure is matched with the first groove structure, and sealing gaskets are arranged in grooves of the cooling liquid inlet and the cooling liquid outlet on the back surface of the first plate; sealing gaskets are arranged in grooves of the steam inlet and the condensate outlet on the back surface of the second plate.
Preferably, the peripheries of the front sides of the first plate and the second plate are provided with second protruding structures, the peripheries of the back sides of the first plate and the second plate are provided with second groove structures, the second protruding structures are matched with the second groove structures, and a sealing gasket is arranged in the second groove structures.
Preferably, the steam inlet, the condensate outlet, the cooling liquid inlet and the cooling liquid outlet are all arranged in a square shape, a circular shape or a door arch shape.
Preferably, the sealing gasket is a rubber gasket.
Preferably, the fixed splint and the movable plate are provided with first mounting holes corresponding to the fixed components, and the fixed components fix the plate package between the fixed splint and the movable plate through the first mounting holes, so that the first plate and the second plate are compressed.
Preferably, the fixed clamping plate, the movable plate and the middle of the upper end and the lower end of the upright post are provided with second mounting holes, the corresponding positions of the upper end and the lower end of the sheet package are provided with positioning holes, and the upper guide rod and the lower guide rod are fixed between the upright post and the fixed clamping plate through the second mounting holes;
the movable plate can move on the upper guide rod and the lower guide rod freely through the second mounting hole formed in the movable plate.
Preferably, the outer side of the bottom of the fixed clamping plate is provided with a ground foot, and the fixed clamping plate is fixedly arranged through the ground foot.
Preferably, the outer side of the bottom of the upright post is provided with an anchor, and the upright post is fixedly arranged through the anchor.
Preferably, a part of the first plate, a part of the second plate or the movable plate is provided with a blind plate and a sealing gasket corresponding to the blind plate, so as to form a multi-channel and exhaust non-condensable gas.
Compared with the prior art, the low-grade steam energy recovery condensation plate type heat exchanger has the following beneficial effects:
1. the low-grade steam energy recovery condensation plate type heat exchanger can meet the requirements of high efficiency, small occupied area, simplicity, reliability and high cost performance, can be applied to various industries, and promotes smooth operation of energy conservation, emission reduction and water conservation.
2. According to the invention, each heat exchange plate adopts a steam large-opening inlet and a condensate outlet which are suitable for low-grade steam condensation, and two inlets and two outlets are adopted for the cold end, so that the maximum air input is achieved, the drainage is convenient and fast, and the best condensation effect is achieved.
3. The invention is suitable for the working medium and energy recovery of low-grade steam in the industries of industry, civil use and other industries, has the characteristics of small occupied area, more heat recovery (small temperature difference) and less cold water use, and is particularly suitable for quickly eliminating the white smoke and the leakage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for explaining the concept of the present invention.
FIG. 1 is a schematic structural diagram of a low-grade steam energy recovery condensing plate heat exchanger according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic front view of a first plate;
FIG. 4 is a schematic view of the back side structure of the first plate;
FIG. 5 is a schematic front view of a second plate;
FIG. 6 is a schematic view of the back side structure of the second plate;
FIG. 7 is a schematic view of the structure of the retaining splint;
fig. 8 is a schematic structural view of the movable plate.
Summary of reference numerals:
1. fixed splint 2, plate package 201, first plate
202. Second plate 203, steam inlet 204, condensate outlet
205. Coolant inlet 206, coolant outlet 3, moving plate
4. Upper guide rod 5, lower guide rod 6 and upright post
7. Bolt 8, nut 9, lower margin
10. Seal gasket 11, first protruding structure 12, first groove structure
13. Second protruding structure 14, second groove structure 15, first mounting hole
16. Second mounting hole 17, positioning hole
Detailed Description
Hereinafter, an embodiment of a low-grade steam energy recovery condensing plate heat exchanger according to the present invention will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include any obvious replacement or modification of the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structure of portions of embodiments of the present invention. The same or similar reference numerals are used to denote the same or similar parts.
The low-grade steam energy recovery condensation plate type heat exchanger provided by the invention is mainly used for condensing steam, so that the recovery of working media and heat is achieved, the related environment is also purified, and the effects of environment friendliness, whitening and dehumidification are achieved.
The invention covers all working conditions suitable for the condensation of the steam, such as civil light industry, heavy industry, military, aerospace and the like, and comprises power stations, steel, petrochemical industry, food and medicine, heat supply power and the like, which are not listed.
As shown in fig. 1, the invention provides a low-grade steam energy recovery condensation plate heat exchanger, which comprises a fixed splint 1, a plate package 2, a movable plate 3, an upper guide rod 4, a lower guide rod 5, a column 6 and a fixed assembly, wherein the plate package 2 is arranged between the fixed splint 1 and the movable plate 3; the upper guide rod 4 and the lower guide rod 5 are respectively arranged at the upper end and the lower end of the plate package 2, and the two ends of the upper guide rod 4 and the lower guide rod 5 are respectively fixed on the fixed splint 1 and the upright post 6; a plurality of fixing components are arranged between the upper end and the lower end of the fixed splint 1 and the movable plate 3; the upright 6 is fixedly arranged on the side of the movable plate 3 away from the plate pack 2, i.e. the upright 6 is arranged outside the movable plate 3. As shown in fig. 3-8, the fixed splint 1, the plate package 2, and the movable plate 3 are all provided with a steam inlet 203 in the middle of the top, the fixed splint 1, the plate package 2, and the movable plate 3 are all provided with a condensate outlet 204 in the middle of the bottom, the fixed splint 1, the plate package 2, and the movable plate 3 are all provided with coolant inlets 205 symmetrically on the left and right sides of the condensate outlet 204, and the fixed splint 1, the plate package 2, and the movable plate 3 are all provided with coolant outlets 206 symmetrically on the left and right sides of the steam inlet 203 on the top.
The invention adopts two cooling liquid inlets 205 and two cooling liquid outlets 206, and improves the flow rate by a double-in and double-out design. The steam inlet 203 can also be opened with a small round opening for extracting non-condensable gas and other working conditions.
In a further embodiment of the invention, the plate package 2 comprises a plurality of first plates 201 and a plurality of second plates 202, the first plates 201 and the second plates 202 being arranged alternately. As shown in fig. 3 and 5, the vapor inlet 203, the condensate outlet 204, the coolant inlet 205, and the coolant outlet 206 on the front surfaces of the first plate 201 and the second plate 202 are all provided as the first projection structure 11. As shown in fig. 4 and 6, the vapor inlet 203, the condensate outlet 204, the coolant inlet 205, and the coolant outlet 206 on the back surfaces of the first plate 201 and the second plate 202 are all provided as the first groove structure 12. The first convex structure 11 is matched with the first groove structure 12, and the sealing gaskets 10 are arranged in the grooves of the cooling liquid inlet 205 and the cooling liquid outlet 206 on the back surface of the first plate 201; the grooves of the steam inlet 203 and the condensate outlet 204 on the back surface of the second plate 202 are provided with sealing gaskets 10. Preferably, as shown in fig. 3 and 5, second protruding structures 13 are disposed around the front surfaces of the first plate 201 and the second plate 202, as shown in fig. 4 and 6, second groove structures 14 are disposed around the back surfaces of the first plate 201 and the second plate 202, the second protruding structures 13 are matched with the second groove structures 14, and sealing gaskets 10 are disposed in the second groove structures 14 on the back surfaces of the first plate 201 and the second plate 202. Preferably, sealing gasket 10 is a rubber gasket.
The back surface of the first plate 201 is engaged with the front surface of the second plate 202 through a protrusion and groove structure.
According to the invention, each heat exchange plate adopts a steam large-opening inlet and a condensate outlet which are suitable for low-grade steam condensation, and two inlets and two outlets are adopted for the cold end, so that the maximum air input is achieved, the drainage is convenient and fast, and the best condensation effect is achieved.
In further embodiments of the present invention, as shown in fig. 3-8, the vapor inlet 203, the condensate outlet 204, the coolant inlet 205, and the coolant outlet 206 are all provided in a square, circular, or door arch shape. The vapor inlet 203, the condensate outlet 204, the coolant inlet 205 and the coolant outlet 206 may be square, circular, door arch, or the vapor inlet 203 may be door arch, and the condensate outlet 204, the coolant inlet 205 and the coolant outlet 206 may be circular, that is, the shapes of the vapor inlet 203, the condensate outlet 204, the coolant inlet 205 and the coolant outlet 206 may be set according to the specific situation, and are not limited to the above shapes, or may be different combinations of the above shapes.
As can be seen from fig. 3 to 6, if the steam inlet 203 is configured as a door arch, the arc is downward; the condensate outlet 204 is preferably provided in a circular shape; the cooling liquid inlets 205 are arranged at two sides of the bottom end, and if the cooling liquid inlets are arranged in a door arch shape, the arc shape is upward; the coolant outlets 206 are provided on both sides of the top end, and if provided in the shape of a door arch, the arc is downward.
The heat exchanger adopts a plate heat transfer structure, and the plate package 2 comprises a plurality of first plates 201 and a plurality of second plates 202, wherein the first plates 201 and the second plates 202 are arranged in a staggered mode. The sealing gaskets 10 on the back of the first plate 201 and the second plate 202 can enable the sealing connection between the plates, between the plates and the fixed clamping plate 1 and between the plates and the movable plate 3. Wherein, the plate package 2 is close to the fixed splint 1 and the side of the movable plate 3 is respectively a head plate and a tail plate, and the rest are heat exchange plates.
The first plate 201 and the second plate 202 are corrugated plates, and the corrugated shape is selected according to specific working conditions. Specifically, the vicinity of the steam inlet 203, the condensate outlet 204, the coolant inlet 205 and the coolant outlet 206 on the plate can be provided with a diversion area.
The plates are combined through different sealing gaskets 10, and the bulges are clamped with the groove structures, so that the sealing between the plates and the flow separation between fluids are achieved. The corrugations in the sheet may be in different combinations. The gasket seal 10, as shown in FIGS. 3-6, is illustrated schematically and not specifically as a corrugated structure, which can be designed according to the prior art. The head and tail plates are omitted in fig. 1, and the head and tail plates and other plates form a plate package 2.
As shown in fig. 1 and 7-8, a closed space is formed between adjacent first and second plates 201 and 202, and the adjacent closed spaces are a cold side and a hot side respectively, wherein a cooling liquid flows in the cold side, and steam flows in the hot side. A sealing gasket 10 is arranged in the first groove structure 12 at the periphery of the cooling liquid water inlet/outlet at the steam side, namely the hot side; on the cold side, a sealing gasket 10 is arranged in the first groove structure 12 around the vapour inlet 203 and the condensate outlet 204, so that the vapour and the condensate do not come into contact with water.
As shown in fig. 1 and 2, the bottom of the fixed splint 1 is provided with feet 9, and the fixed splint 1 is fixed by the feet 9. As shown in fig. 2, the bottom of the upright post 6 is provided with an anchor 9, and the upright post 6 is fixed by the anchor 9.
According to the invention, the fixed splint 1 and the movable plate 3 are provided with the first mounting holes 15 corresponding to the fixing components, and the fixing components fix the plate pack 2 between the fixed splint 1 and the movable plate 3 through the first mounting holes 15, so that the compression state between the first plate 201 and the second plate 202 is realized. The fixing component is specifically a bolt 7 and nut 8 component. The plate pack 2, the fixed clamping plate 1 and the movable plate 3 form a sealed space, and the sealing pressing force is from the bolt 7 and the nut 8. As can be seen from fig. 1, the specific number of components of the bolt 7 and the nut 8 depends on the operating conditions. The bearing and the positioning of the plate package 2 come from the upper guide rod 4 and the lower guide rod 5, and the upright post 6 and the ground foot 9 play a role in supporting and fixing. The number of the ground pins 9 may be 2 or more.
As shown in fig. 1 and 7-8, the fixed splint 1, the movable plate 3 and the upright 6 are provided with second mounting holes 16 at corresponding positions between the upper and lower ends thereof, and the plate package 2 is provided with positioning holes 17 at corresponding positions between the upper and lower ends thereof, so that the upper guide rod 4 and the lower guide rod 5 are fixed between the upright 6 and the fixed splint 1 through the second mounting holes 16. Wherein, the movable plate 3 can move freely on the upper guide rod 4 and the lower guide rod 5 through the second mounting hole 16.
As shown in fig. 3 to 6 mainly for showing the overall structure of the first plate 201 or the second plate 202, the positioning hole 17 provided in the middle of the upper and lower ends thereof is not illustrated, but the structure of the positioning hole 17 can be seen from fig. 1.
According to the invention, the upper guide rod 4 and the lower guide rod 5 sequentially penetrate through a second mounting hole 16 on the fixed splint 1, a positioning hole 17 on the plate package 2, a second mounting hole 16 on the movable plate 3 and a second mounting hole (not shown) on the upright post 6, the upper guide rod 4 and the lower guide rod 5 are fixedly arranged in the second mounting hole 16 arranged in the upper guide rod and the lower guide rod before mounting, the fixed splint 1 and the upright post 6 are fixed in advance through the anchor 9 and cannot move in the process of mounting the plate package 2, and the movable plate 3 can move between the fixed splint 1 and the upright post 6.
In the invention, a blind plate and a corresponding sealing gasket are arranged on part of the first plate 201, part of the second plate 202 or the movable plate 3 to form a multi-channel and exhaust noncondensable gas. As shown in fig. 8, the movable plate 3 is usually provided as a blind plate, but an opening which is the same as, similar to or partially similar to the fixed splint 1 may be provided to increase the flow rate, discharge the non-condensable gas, and the like, in consideration of the field conditions. The plate package 2 is tightly pressed by a bolt 7 and a nut 8, and the steam inlet 203, the condensate outlet 204, the cooling liquid inlet 205 and the cooling liquid outlet 206 are connected with a pipeline through flanges or welding modes to achieve a sealing effect.
As shown in fig. 8, the steam inlet 203 may also be a noncondensable gas discharge port located in the middle of the top of the plate, and the specific size of the discharge port depends on the specific working condition. In order to discharge the non-condensable gas, an intermediate steam inlet 203 on a certain first plate 201 or a certain second plate 202 in the middle of the plate package 2 is blocked, namely, a blind plate structure is arranged, the non-condensable gas can flow downwards due to the blocking of the steam inlet 203, continues to move backwards through a condensate outlet 204, and then continues to move backwards through a rear steam inlet 203 until the non-condensable gas is discharged out of the condensing plate heat exchanger. This approach is just one example. Different blind plate conditions can be set according to other conditions, and are not illustrated one by one. Alternatively, the condensate outlet 204 may also be used as a steam exhaust or drain, depending on the operating conditions.
The embodiments of the low-grade steam energy recovery condensation plate heat exchanger according to the present invention have been described above. The specific features such as shape, size and location for a low-grade steam energy recovery condensing plate heat exchanger of the present invention may be specifically designed in accordance with the function of the features disclosed above, all of which are within the reach of one skilled in the art. Moreover, the technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the present invention, so as to achieve the purpose of the present invention.
Claims (10)
1. A low-grade steam energy recovery condensation plate type heat exchanger is characterized by comprising a fixed splint, a plate pack, a movable plate, an upper guide rod, a lower guide rod, a stand column and a fixed assembly,
the plate pack is arranged between the fixed clamping plate and the movable plate;
the upright post is fixedly arranged on one side of the movable plate far away from the plate pack;
the upper guide rod and the lower guide rod are respectively arranged at the upper end and the lower end of the plate pack, and the two ends of the upper guide rod and the lower guide rod are respectively fixed on the fixed clamping plate and the upright post;
a plurality of fixing assemblies are arranged between the upper end and the lower end of the fixed clamping plate and the movable plate;
the steam cooling device comprises a fixed clamping plate, a plate pack and a movable plate, wherein the fixed clamping plate, the plate pack and the movable plate are all provided with a steam inlet in the middle of the top, the fixed clamping plate, the plate pack and the movable plate are all provided with a condensate outlet in the middle of the bottom, the fixed clamping plate, the plate pack and the movable plate are all arranged at the bottom, coolant inlets are symmetrically arranged on the left side and the right side of the condensate outlet, and the fixed clamping plate, the plate pack and the movable plate are all arranged at the top, and coolant outlets are symmetrically arranged on the left side and the right side of the steam inlet.
2. The low-grade steam energy recovery condensing plate heat exchanger of claim 1, wherein the plate pack comprises a plurality of first plates and a plurality of second plates, the first plates and the second plates are arranged in an alternating manner,
the steam inlet, the condensate outlet, the cooling liquid inlet and the cooling liquid outlet on the front surfaces of the first plate and the second plate are respectively provided with a first protruding structure;
the steam inlet, the condensate outlet, the cooling liquid inlet and the cooling liquid outlet on the back surfaces of the first plate and the second plate are all arranged into a first groove structure;
the first protruding structure is matched with the first groove structure, and sealing gaskets are arranged in grooves of the cooling liquid inlet and the cooling liquid outlet on the back surface of the first plate; sealing gaskets are arranged in grooves of the steam inlet and the condensate outlet on the back surface of the second plate.
3. The low-grade steam energy recovery condensation plate heat exchanger of claim 2, wherein the first plate and the second plate are provided with a second raised structure around the front surface, the first plate and the second plate are provided with a second groove structure around the back surface, the second raised structure is matched with the second groove structure, and the second groove structure is provided with a sealing gasket.
4. The low-grade steam energy recovery cold plate heat exchanger of claim 2, wherein the steam inlet, the condensate outlet, the coolant inlet and the coolant outlet are each square, circular or door-arch shaped.
5. The low-grade steam energy recovery condensing plate heat exchanger of claim 2 or 3, wherein the sealing gasket is a rubber gasket.
6. The low-grade steam energy recovery condensation plate heat exchanger of claim 1, wherein the fixed clamping plate and the movable plate are provided with first mounting holes corresponding to the fixing components, and the fixing components fix the plate package between the fixed clamping plate and the movable plate through the first mounting holes, so as to realize a compression state between the first plate and the second plate.
7. The low-grade steam energy recovery condensation plate heat exchanger of claim 1, wherein the fixed clamping plate, the movable plate and the middle of the upper end and the lower end of the upright post are provided with second mounting holes, the upper end and the lower end of the plate package are provided with positioning holes, and the upper guide rod and the lower guide rod are fixed between the upright post and the fixed clamping plate through the second mounting holes;
the movable plate can move on the upper guide rod and the lower guide rod freely through the second mounting hole formed in the movable plate.
8. The low-grade steam energy recovery condensation plate heat exchanger of claim 1, wherein the bottom of the fixing clamp plate is provided with a ground pin at the outer side, and the fixing clamp plate is fixedly arranged through the ground pin.
9. The low-grade steam energy recovery condensation plate heat exchanger of claim 1, wherein the bottom of the vertical column is provided with a ground pin outside, and the vertical column is fixedly arranged through the ground pin.
10. The low-grade steam energy recovery condensation plate heat exchanger of claim 1, wherein a part of the first plate, a part of the second plate or the movable plate is provided with a blind plate and a sealing gasket corresponding to the blind plate, so as to form a multi-channel and discharge non-condensable gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619142.2A CN114353548A (en) | 2021-12-27 | 2021-12-27 | Low-grade steam energy recovery condensation plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111619142.2A CN114353548A (en) | 2021-12-27 | 2021-12-27 | Low-grade steam energy recovery condensation plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114353548A true CN114353548A (en) | 2022-04-15 |
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ID=81102556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111619142.2A Pending CN114353548A (en) | 2021-12-27 | 2021-12-27 | Low-grade steam energy recovery condensation plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114353548A (en) |
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2021
- 2021-12-27 CN CN202111619142.2A patent/CN114353548A/en active Pending
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