CN218179303U - Dry evaporator for underground water type water source heat pump unit - Google Patents
Dry evaporator for underground water type water source heat pump unit Download PDFInfo
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- CN218179303U CN218179303U CN202222437460.3U CN202222437460U CN218179303U CN 218179303 U CN218179303 U CN 218179303U CN 202222437460 U CN202222437460 U CN 202222437460U CN 218179303 U CN218179303 U CN 218179303U
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Abstract
The utility model discloses a dry-type evaporimeter for groundwater formula water source heat pump set, include: the device comprises a cylinder and two groups of evaporation pipelines which are arranged in the cylinder up and down, wherein a plurality of baffle plates are arranged in the cylinder and are sequentially fixed on the upper wall and the lower wall of the cylinder in an up-and-down staggered manner; the two ends of the cylinder are sealed by end covers, each end cover is respectively provided with a refrigerant inlet and a refrigerant outlet, the inlet ends and the outlet ends of the evaporation pipelines are arranged on the same side, the inlet ends of the two groups of evaporation pipelines are arranged in a reverse direction, and the inlet end and the outlet end of each group of evaporation pipelines are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet on the end cover on the same side; the outer wall of the cylinder body is provided with a water inlet and a water outlet near the end covers at the two sides respectively. The utility model discloses a water temperature of the evaporimeter can regard as the foundation of control evaporimeter inflow. The purpose of controllable water quantity is achieved, and water loss is reduced.
Description
Technical Field
The utility model belongs to the technical field of the evaporimeter, a dry-type evaporimeter for groundwater formula water source heat pump set is related to.
Background
The underground water type water source heat pump unit comprises water ring type, underground water type and buried pipe type operation working conditions. The refrigerant working medium is evaporated in a liquid state in the dry evaporator, after the heat in the underground water is extracted, the refrigerant is changed into a gas state from the liquid state, the gas state refrigerant is sucked and compressed by the compressor, and the gas state refrigerant compressed by the compressor is discharged into the condenser after the pressure and the temperature are increased. The condenser carries out condensation heat exchange on refrigerant gas in a water cooling mode, and heat is taken out of the condenser by water pump equipment and is delivered to the tail end to be released. After the condensed high-temperature and high-pressure liquid flows through the throttle valve, the condensed high-temperature and high-pressure liquid enters the evaporator to be evaporated, the generated cold quantity exchanges heat with the underground water at the water source side to absorb the heat in the water, and thus the heat exchange circulation is completed.
As shown in fig. 3, which is a top view of the existing dry evaporator with two or more refrigeration units, the refrigeration units are arranged along the axial direction of the cylinder body, the water enters the dry evaporator from the water inlet, and exchanges heat with the left refrigeration unit and the right refrigeration unit through the up-and-down reciprocating action of the baffle plate, if only one side of the refrigeration unit works, the water on the other side does not exchange heat, and when the water flows out of the water outlet of the cylinder body, the temperature measured by the temperature sensor is the temperature of the mixed water after heat exchange and without heat exchange. Therefore, when part of the refrigeration units work, the water outlet temperature can not be used as the basis for controlling the water inlet flow of the evaporator, the water quantity control can not be realized, and the water quantity loss is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a dry evaporator for groundwater formula water source heat pump set, leaving water temperature can regard as the basis of control evaporimeter inflow flow, reaches the controllable purpose of water yield, reduces the water yield and runs off.
The utility model discloses a dry-type evaporimeter for groundwater formula water source heat pump set, include: the evaporator comprises a cylinder body and two groups of evaporation pipelines arranged in the cylinder body from top to bottom, wherein a plurality of baffle plates are arranged in the cylinder body and are sequentially fixed on the upper wall and the lower wall of the cylinder body in an up-and-down staggered manner; the two ends of the cylinder are sealed by end covers, each end cover is respectively provided with a refrigerant inlet and a refrigerant outlet, the inlet ends and the outlet ends of the evaporation pipelines are arranged on the same side, the inlet ends of the two groups of evaporation pipelines are arranged in a reverse direction, and the inlet end and the outlet end of each group of evaporation pipelines are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet on the end cover on the same side; the outer wall of the cylinder body is provided with a water inlet and a water outlet near the end covers at the two sides respectively.
The utility model discloses an among the dry-type evaporator for groundwater formula water source heat pump set, the both ends of barrel set gradually the tube sheet, seal up and divide the chamber board and seal fixedly through the end cover, and the entrance point and the exit end of evaporation pipeline link up and fix on the tube sheet of homonymy, the outer marginal part and the tube sheet fixed connection of end cover, the central part of end cover are to keeping away from the direction protrusion vacuole formation of tube sheet, divide the chamber board to be the tube-shape, be equipped with the partition muscle in it, divide the chamber board to set up and fall into a plurality of refrigerant chambeies with the cavity in the cavity, and the entrance point of evaporation pipeline and the refrigerant import of end cover all communicate with same refrigerant chamber, make the refrigerant get into corresponding evaporation pipeline, and the refrigerant export of the exit end of evaporation pipeline and end cover all communicates with same refrigerant chamber, makes the corresponding evaporation pipeline of refrigerant outflow.
In the dry evaporator for the underground water type water source heat pump unit of the utility model, each group of evaporation pipelines comprises four-way evaporation tubes, and tube holes which are butted with the inlet ends and the outlet ends of the four-way evaporation tubes are arranged on the tube plates; the inlet end of the first-pass evaporation tube in each group of evaporation pipelines is communicated with a refrigerant inlet on the end cover on the same side, and the outlet end of the fourth-pass evaporation tube is communicated with a refrigerant outlet on the end cover on the same side; the outlet end of the first-pass evaporation tube and the inlet end of the second-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the second-pass evaporation tube and the inlet end of the third-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the third-pass evaporation tube and the inlet end of the fourth-pass evaporation tube are communicated with the same refrigerant cavity.
In the dry evaporator for the groundwater type water source heat pump unit of the utility model, each evaporating pipe is composed of a plurality of copper pipes.
The utility model discloses a dry-type evaporator for groundwater formula water source heat pump set, including arranging two sets of evaporation pipelines in the barrel from top to bottom, when two sets of evaporation pipelines refrigerate alone respectively or two sets of evaporation pipelines refrigerate simultaneously, whole water all carries out the heat transfer, and the leaving water temperature that flows out the evaporimeter after the heat transfer can be regarded as the true temperature after the heat transfer. The leaving water temperature and the cold quantity are in a linear relation, the flow of water can be adjusted at will according to the cold quantity in the evaporator, namely, the utility model discloses a leaving water temperature of the evaporator can be used as the basis for controlling the inflow of the evaporator. The purpose of controllable water quantity is achieved, and water loss is reduced.
Drawings
FIG. 1 is a schematic structural view of a dry evaporator for a groundwater type water source heat pump unit of the present invention;
FIG. 2 is a side view of the dry evaporator of the present invention used in the groundwater type water source heat pump unit;
FIG. 3 is a top view of a prior art dry evaporator;
1-end cover, 11-first refrigerant inlet, 12-first refrigerant outlet, 13-second refrigerant inlet, 14-second refrigerant outlet, 2-cavity separating plate, 21-separating rib, 22-refrigerant cavity, 3-sealing gasket, 4-tube plate, 41-tube hole, 5-cylinder, 6-baffle plate, 7-water inlet, 8-water outlet and 9-copper tube.
Detailed Description
As shown in FIGS. 1 and 2, the dry evaporator for the groundwater type water source heat pump unit of the present invention comprises: a cylinder 5 and two groups of evaporation pipelines which are arranged in the cylinder 5 from top to bottom. A plurality of baffle plates 6 are arranged in the cylinder 5, and the baffle plates 6 are sequentially fixed on the upper wall and the lower wall of the cylinder 5 in a vertically staggered manner. The two ends of the cylinder 5 are sealed by end covers 1, each end cover 1 is provided with a refrigerant inlet and a refrigerant outlet, the inlet ends and the outlet ends of the evaporation pipelines are arranged on the same side, the inlet ends of the two groups of evaporation pipelines are arranged in a reverse direction, and the inlet end and the outlet end of each group of evaporation pipelines are correspondingly connected with the refrigerant inlet and the refrigerant outlet on the end cover 1 on the same side; the outer wall of the barrel 5 is provided with a water inlet 7 and a water outlet 8 near the end covers at the two sides.
In specific implementation, the two groups of evaporation pipelines are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet on the end covers 1 at two sides. As shown in fig. 1, the inlet and outlet ends of the evaporation line located below are connected to the first refrigerant inlet 11 and the first refrigerant outlet 12 on the left end cap, respectively, and the inlet and outlet ends of the evaporation line located above are connected to the second refrigerant inlet 13 and the second refrigerant outlet 14 on the right end cap, respectively.
And the two ends of the cylinder body 5 are sequentially provided with a tube plate 4, a sealing gasket 3 and a cavity dividing plate 2 and are fixedly sealed and fixed through an end cover 1. The inlet end and the outlet end of the evaporation pipeline are fixedly communicated with the tube plate 5 on the same side, the outer edge part of the end cover 1 is fixedly connected with the tube plate 4, and the central part of the end cover 1 protrudes in the direction far away from the tube plate 4 to form a cavity. The cavity dividing plate 2 is cylindrical, a partition rib 21 is arranged in the cavity dividing plate 2, and the cavity is divided into a plurality of refrigerant cavities 22 by the cavity dividing plate 2. The inlet end of the evaporation pipeline and the refrigerant inlet of the end cover 1 are communicated with the same refrigerant cavity, so that the refrigerant enters the corresponding evaporation pipeline, and the outlet end of the evaporation pipeline and the refrigerant outlet of the end cover are communicated with the same refrigerant cavity, so that the refrigerant flows out of the corresponding evaporation pipeline.
In specific implementation, each group of evaporation pipelines comprises four-pass evaporation tubes, and the tube plate 4 is provided with tube holes 41 which are in butt joint with the inlet ends and the outlet ends of the evaporation tubes of each pass. The inlet end of the first-pass evaporation tube in each group of evaporation pipelines is communicated with a refrigerant inlet on the end cover on the same side, and the outlet end of the fourth-pass evaporation tube is communicated with a refrigerant outlet on the end cover on the same side; the outlet end of the first-pass evaporation tube and the inlet end of the second-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the second-pass evaporation tube and the inlet end of the third-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the third-pass evaporation tube and the inlet end of the fourth-pass evaporation tube are communicated with the same refrigerant cavity. Each evaporator tube is composed of a plurality of copper tubes 9.
In specific implementation, the end caps 1, the cavity dividing plate 2 and the sealing gasket 3 at the left end and the right end in fig. 1 are arranged in a manner of rotating 180 degrees with respect to each other. The left side is taken as an example for explanation, and the right side is the same. The upper half part of the left cavity-dividing plate is provided with two refrigerant cavities. The outlet end of the first-pass evaporation tube and the inlet end of the second-pass evaporation tube of the evaporation pipeline positioned above are both communicated with one refrigerant cavity; the outlet end of the third-pass evaporating pipe and the inlet end of the fourth-pass evaporating pipe of the upper evaporating pipeline are communicated with the other refrigerant cavity. The lower half part of the left cavity-dividing plate is provided with three refrigerant cavities. The inlet end of the first-pass evaporation tube and the outlet end of the fourth-pass evaporation tube of the evaporation pipeline positioned below are respectively communicated with the refrigerant cavities on two sides, and the outlet end of the second-pass evaporation tube and the inlet end of the third-pass evaporation tube are both communicated with the refrigerant cavity in the middle. The shape of the sealing gasket 3 is the same as that of the cavity dividing plate 2, and sealing among different refrigerant cavities can be realized.
The utility model discloses a dry-type evaporator carries out the heat exchange in a waters simultaneously including two sets of evaporation pipelines of arranging from top to bottom enjoying. The evaporation pipeline comprises a four-pass evaporation pipe, taking the evaporation pipeline below as an example, a refrigerant enters the first-pass evaporation pipe from the first refrigerant inlet 11 and begins to evaporate until the cavity dividing plate 2 at the right end of the cylinder body 1 is communicated with the second-pass evaporation pipe, the second-pass evaporation pipe returns to the cavity dividing plate 2 at the left side after being deflected from the cavity dividing plate 2 at the right end and is communicated with the third-pass evaporation pipe, the cavity dividing plate at the left side of the third-pass evaporation pipe is deflected again and returns to the cavity dividing plate at the right side and is communicated with the fourth-pass evaporation pipe, the fourth-pass evaporation pipe returns to the left side after being deflected again and is communicated with the first refrigerant outlet 12, and the refrigerant flows through the four-pass evaporation pipe to complete the evaporation heat exchange process. In the process, water enters the barrel body 5 from the water inlet 7 and is limited by the baffle plate 6, the water flow direction is changed, up-and-down wave flow is formed, heat exchange is carried out with the evaporation tube in the barrel body 5, the cold energy is brought out of the barrel body of the evaporator, and the water after heat exchange flows out from the water outlet.
The utility model discloses a form of arranging about two sets of evaporation pipelines adopt, when refrigerating alone or two sets of evaporation pipelines refrigerate simultaneously, whole water all carries out the heat transfer, and the leaving water temperature of outflow evaporimeter behind the heat transfer can be regarded as the true temperature behind the heat transfer. The water outlet temperature and the cold quantity are in a linear relation, and the flow of water can be adjusted at will according to the cold quantity in the evaporator, namely, the water outlet temperature of the evaporator can be used as the basis for controlling the water inlet flow of the evaporator. The purpose of controllable water quantity is achieved, and water loss is reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the spirit of the present invention, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A dry-type evaporimeter for groundwater formula water source heat pump set, its characterized in that includes: the evaporator comprises a cylinder body and two groups of evaporation pipelines arranged in the cylinder body from top to bottom, wherein a plurality of baffle plates are arranged in the cylinder body and are sequentially fixed on the upper wall and the lower wall of the cylinder body in an up-and-down staggered manner; the two ends of the cylinder are sealed by end covers, each end cover is respectively provided with a refrigerant inlet and a refrigerant outlet, the inlet ends and the outlet ends of the evaporation pipelines are arranged on the same side, the inlet ends of the two groups of evaporation pipelines are arranged in a reverse direction, and the inlet end and the outlet end of each group of evaporation pipelines are respectively and correspondingly connected with the refrigerant inlet and the refrigerant outlet on the end cover on the same side; the outer wall of the cylinder body is provided with a water inlet and a water outlet near the end covers at the two sides respectively.
2. The dry evaporator for an underground water type water source heat pump unit as claimed in claim 1, wherein the tube body is provided at both ends thereof with a tube plate, a gasket and a cavity plate in sequence and fixed thereto by an end cap, the inlet end and the outlet end of the evaporation tube are fixed to the tube plate on the same side, the outer edge of the end cap is fixedly connected to the tube plate, the central portion of the end cap protrudes in a direction away from the tube plate to form a cavity, the cavity plate is cylindrical and provided therein with partition ribs, the cavity plate is disposed in the cavity to divide the cavity into a plurality of refrigerant chambers, the inlet end of the evaporation tube and the refrigerant inlet of the end cap are both communicated with the same refrigerant chamber, so that the refrigerant enters the corresponding evaporation tube, the outlet end of the evaporation tube and the refrigerant outlet of the end cap are both communicated with the same refrigerant chamber, and the refrigerant flows out of the corresponding evaporation tube.
3. The dry evaporator for an underground water type water source heat pump unit as claimed in claim 2, wherein each set of evaporation pipeline comprises four-way evaporation tubes, and tube holes butted with the inlet ends and the outlet ends of the four-way evaporation tubes are arranged on the tube plate; the inlet end of the first-pass evaporation tube in each group of evaporation pipelines is communicated with a refrigerant inlet on the end cover on the same side, and the outlet end of the fourth-pass evaporation tube is communicated with a refrigerant outlet on the end cover on the same side; the outlet end of the first-pass evaporation tube and the inlet end of the second-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the second-pass evaporation tube and the inlet end of the third-pass evaporation tube are communicated with the same refrigerant cavity; the outlet end of the third-pass evaporation tube and the inlet end of the fourth-pass evaporation tube are communicated with the same refrigerant cavity.
4. A dry evaporator for an underground water type water source heat pump unit as claimed in claim 3, wherein each evaporation tube is composed of a plurality of copper tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222437460.3U CN218179303U (en) | 2022-09-14 | 2022-09-14 | Dry evaporator for underground water type water source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222437460.3U CN218179303U (en) | 2022-09-14 | 2022-09-14 | Dry evaporator for underground water type water source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218179303U true CN218179303U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222437460.3U Active CN218179303U (en) | 2022-09-14 | 2022-09-14 | Dry evaporator for underground water type water source heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218179303U (en) |
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2022
- 2022-09-14 CN CN202222437460.3U patent/CN218179303U/en active Active
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