CN212987701U - Hot air defrosting evaporator - Google Patents
Hot air defrosting evaporator Download PDFInfo
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- CN212987701U CN212987701U CN202021999063.XU CN202021999063U CN212987701U CN 212987701 U CN212987701 U CN 212987701U CN 202021999063 U CN202021999063 U CN 202021999063U CN 212987701 U CN212987701 U CN 212987701U
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- evaporator
- evaporator body
- collecting pipe
- defrosting
- liquid supply
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Abstract
The utility model provides a steam defrosting evaporator, its pipeline that makes the evaporimeter satisfies integrated control's demand, its simple structure, operation are reliable. The evaporator comprises an evaporator body, and is characterized in that a fin part is arranged in the evaporator body, a fan is arranged on the periphery of the fin part of the evaporator body, an expansion valve is integrated at the pipeline connecting end of the evaporator body, one end of the evaporator body is respectively connected with an air suction collecting pipe and a hot gas collecting pipe, the air suction collecting pipe is connected to one end of the evaporator body through a normally open air suction main valve, the hot gas collecting pipe is connected to one end of the evaporator body through a normally closed hot gas valve, the other end of the evaporator body is connected with a liquid supply collecting pipe, a normally closed liquid supply valve is arranged on the liquid supply collecting pipe and communicated to the other end of the evaporator body, the liquid supply collecting pipe is further connected to the other end of the evaporator body through a bypass pipeline.
Description
Technical Field
The utility model relates to a technical field of freezer evaporimeter structure specifically is steam defrosting evaporimeter.
Background
The hot defrosting mode is one of the defrosting modes commonly used in the refrigeration house and has the characteristics of energy conservation and high efficiency. Compared with the common electrochemical frost, the hot-air defrosting energy-saving effect is very obvious, the defrosting is quicker, and the service life and the reliability of a defrosting component are higher. The evaporator is an important part in a refrigeration house system, refrigeration and defrosting operation are realized, wherein the design of the defrosting assembly of the evaporator is related to the overall performance and the using effect of the evaporator, the existing hot air defrosting evaporator has complex pipeline, cannot meet the integrated control requirement, and is relatively unreliable in operation.
Disclosure of Invention
To the problem, the utility model provides a steam defrosting evaporimeter, its pipeline that makes the evaporimeter satisfies integrated control's demand, and its simple structure, operation are reliable.
Steam defrosting evaporimeter, its characterized in that: the evaporator comprises an evaporator body, a fin part is arranged in the evaporator body, a fan is arranged on the periphery of the fin part of the evaporator body, an expansion valve is integrated at the pipeline connecting end of the evaporator body, one end of the evaporator body is respectively connected with an air suction collecting pipe and a hot gas collecting pipe, the air suction collecting pipe is connected to one end of the evaporator body through a normally open air suction main valve, the hot gas collecting pipe is connected with one end of the evaporator body through a normally closed hot gas valve, the other end of the evaporator body is connected with a liquid supply collecting pipe, a normally closed liquid supply valve is arranged on the liquid supply collecting pipe and communicated to the other end of the evaporator body, the liquid supply collecting pipe is further connected to the other end of the evaporator body through a bypass pipeline, and a one-way valve is arranged on the bypass.
It is further characterized in that:
when the defrosting and draining header is arranged, a bypass pipeline is not required to be arranged on the liquid supply header, and the other end of the evaporator body is connected to the defrosting and draining header through a one-way valve;
two ends of the normally open type air suction main valve are provided with second bypass pipelines, and normally open type pressure relief valves are arranged on the second bypass pipelines and are convenient for pressure relief;
the evaporator comprises an evaporator body, a fan and a heat exchange air outlet hole, wherein the evaporator body is arranged in the evaporator body;
the upper surface of the bottom plate is integrated with a water pan, the water pan is obliquely arranged from one side to the other side, a drain hole is formed in the lower side of the water pan, the bottom of the drain hole is communicated with a drain pipe, the convenience of draining after water receiving is ensured, and when the drain hole is blocked, cleaning and maintenance can be carried out only by opening the corresponding area of the lower side;
the water pan is characterized in that heat exchange tubes are distributed on the surface area of the water pan and are used for communicating gas input and output ports of a coil pipe area, introduced into the evaporator body, from a hot air collecting pipe or an air suction collecting pipe, and the heat exchange tubes are distributed along the length direction of the water pan, wherein the heat exchange tube at one end is connected with the heat exchange tube at the other end again after being changed to the direction through an integrated pipeline, so that the heat exchange tubes are reasonably and reliably distributed, and the heat exchange tubes are used for carrying out heat exchange with the area at the corresponding position of the water;
the arrangement of the coil pipe area adopts a fork-row design, and the heat exchange efficiency is improved.
Adopt the utility model discloses a behind the steam defrosting evaporimeter, the gas end of evaporimeter body is connected with the header of breathing in respectively, the steam header, the liquid end of evaporimeter body is connected with the liquid header, the main valve of breathing in through the controller drive type of opening always, the type hot gas valve that closes always, the type liquid feed valve that closes always, the correspondence of check valve is opened or is closed, make the steam defrosting evaporimeter be in the refrigeration or the defrosting mode that correspond, make the accurate reliable operation of whole integrated system, it makes the pipeline of evaporimeter satisfy integrated control's demand, a structure is simple, the operation is reliable.
Drawings
FIG. 1 is a schematic diagram of an internal pipeline structure according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal piping structure of a second embodiment of the present invention;
fig. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic perspective view of the coil area and the heat exchange tubes of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the evaporator comprises an evaporator body 1, a fin part 2, a fan 3, an expansion valve 4, an air suction header 5, a hot air header 6, a normally open type air suction main valve 7, a normally closed type hot air valve 8, a liquid supply header 9, a normally closed type liquid supply valve 10, a second bypass pipeline 11, a normally open type pressure release valve 12, an outer frame 13, a bottom plate 14, a side plate 15, an end plate 16, a bypass pipeline 17, a one-way valve 18, a defrosting and draining header 19, a fin temperature sensor 20, a top plate 21, a water receiving disc 22, a water discharging hole 23, a heat exchange pipe 24, a coil area 25 and an integrated pipeline 26.
Detailed Description
Hot air defrosting evaporator, see fig. 1-4: the evaporator comprises an evaporator body 1, a fin part 2 is arranged in the evaporator body 1, a fan 3 is arranged on the periphery of the fin part 2 of the evaporator body 1, an expansion valve 4 is integrated at the pipeline connecting end of the evaporator body 1, one end of the evaporator body 1 is respectively connected with an air suction collecting pipe 5 and a hot air collecting pipe 6, the air suction collecting pipe 5 is connected to one end of the evaporator body 1 through a normally open air suction main valve 7, the hot air collecting pipe 6 is connected with one end of the evaporator body 1 through a normally closed hot air valve 8, the other end of the evaporator body 1 is connected with a liquid supply collecting pipe 9, and a normally closed liquid supply valve 10 communicated to the other end of the evaporator body 1 is arranged on the liquid supply collecting pipe. The two ends of the normally open type air suction main valve 7 are provided with second bypass pipelines 11, the second bypass pipelines 11 are provided with normally open type pressure relief valves 12, and the normally open type pressure relief valves 12 are convenient for pressure relief.
The evaporator further comprises an outer frame 13, wherein the outer frame 13 comprises a bottom plate 14, a top plate 21, peripheral side plates 15 and end plates 16, the pipeline part and the evaporator body 1 are arranged in an inner cavity of the outer frame 13, the fan 3 is arranged on one end plate 16, and a heat exchange air outlet hole is formed in the other end plate 16;
a water pan 22 is integrated on the upper surface of the bottom plate 1, the water pan 22 is obliquely arranged from one side to the other side, a drain hole 23 is formed in the lower side of the water pan 22, a drain pipe is communicated with the bottom of the drain hole 23, convenience of draining after water receiving is ensured, and when the drain hole 23 is blocked, cleaning and maintenance can be carried out only by opening the corresponding area of the lower side;
the arrangement of the calandria in the coil area 25 adopts a fork-row design, and the heat exchange efficiency is improved.
When the evaporator is specifically connected, the fin part 2 of the evaporator body 1 is provided with the fin temperature sensor 20, so that mode conversion is facilitated.
The first specific embodiment is shown in fig. 1: the liquid supply header 9 is also connected to the other end of the evaporator body 1 through a bypass line 17, the bypass line 17 being provided with a check valve 18.
The second embodiment is shown in fig. 2: when the defrosting and draining header 19 is provided, a bypass pipeline is not required to be arranged on the liquid supply header 19, and the other end of the evaporator body 1 is connected to the defrosting and draining header 19 through the check valve 18.
The working principle is as follows: the gas end of evaporimeter body is connected with the collector of breathing in respectively, the steam collector, the liquid end of evaporimeter body is connected with the liquid collector, main valve and the normal close type liquid feed valve of breathing in are opened through the controller drive normal open type, and normal close type hot gas valve and check valve close, make the thermal defrosting evaporimeter be in the refrigeration mode, the main valve is inhaled to the controller drive normal open type and the normal close type liquid feed valve closes, and normal close type hot gas valve and check valve open, make the thermal defrosting evaporimeter be in the defrosting mode, make the accurate reliable operation of whole integrated system, it makes the pipeline of evaporimeter satisfy integrated control's demand, a structure is simple, the operation is reliable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. Steam defrosting evaporimeter, its characterized in that: the evaporator comprises an evaporator body, a fin part is arranged in the evaporator body, a fan is arranged on the periphery of the fin part of the evaporator body, an expansion valve is integrated at the pipeline connecting end of the evaporator body, one end of the evaporator body is respectively connected with an air suction collecting pipe and a hot gas collecting pipe, the air suction collecting pipe is connected to one end of the evaporator body through a normally open air suction main valve, the hot gas collecting pipe is connected with one end of the evaporator body through a normally closed hot gas valve, the other end of the evaporator body is connected with a liquid supply collecting pipe, a normally closed liquid supply valve is arranged on the liquid supply collecting pipe and communicated to the other end of the evaporator body, the liquid supply collecting pipe is further connected to the other end of the evaporator body through a bypass pipeline, and a one-way valve is arranged on the bypass.
2. The thermal defrosting evaporator of claim 1 wherein: when the defrosting and draining header is arranged, a bypass pipeline is not required to be arranged on the liquid supply header, and the other end of the evaporator body is connected to the defrosting and draining header through a one-way valve.
3. The thermal defrosting evaporator of claim 1 or 2, wherein: and second bypass pipelines are arranged at two ends of the normally-open type air suction main valve, and normally-open type pressure release valves are arranged on the second bypass pipelines.
4. The thermal defrosting evaporator of claim 1 or 2, wherein: the evaporator is characterized by further comprising an outer frame, wherein the outer frame comprises a bottom plate, peripheral side plates and end plates, the pipeline part and the evaporator body are both arranged in an inner cavity of the outer frame, the fan is arranged on one end plate, and a heat exchange air outlet hole is formed in the other end plate.
5. The thermal defrosting evaporator of claim 4, wherein: the water receiving tray is integrated on the upper surface of the bottom plate, the water receiving tray is obliquely arranged from one side to the other side, a drain hole is formed in the lower side of the water receiving tray, and the bottom of the drain hole is communicated with a drain pipe.
6. The thermal defrosting evaporator of claim 5 wherein: the water pan is characterized in that heat exchange tubes are distributed on the surface area of the water pan and are used for communicating with gas input and output ports of the coil pipe area where the hot gas collecting pipe or the suction collecting pipe is introduced into the evaporator body, the heat exchange tubes are distributed along the length direction of the water pan, and the heat exchange tubes at one end are connected with the heat exchange tubes at the other end again after being changed by the integrated pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021999063.XU CN212987701U (en) | 2020-09-14 | 2020-09-14 | Hot air defrosting evaporator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021999063.XU CN212987701U (en) | 2020-09-14 | 2020-09-14 | Hot air defrosting evaporator |
Publications (1)
Publication Number | Publication Date |
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CN212987701U true CN212987701U (en) | 2021-04-16 |
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Family Applications (1)
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CN202021999063.XU Active CN212987701U (en) | 2020-09-14 | 2020-09-14 | Hot air defrosting evaporator |
Country Status (1)
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CN (1) | CN212987701U (en) |
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2020
- 2020-09-14 CN CN202021999063.XU patent/CN212987701U/en active Active
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