CN219283689U - Twist pipe dry type evaporator - Google Patents
Twist pipe dry type evaporator Download PDFInfo
- Publication number
- CN219283689U CN219283689U CN202223455998.3U CN202223455998U CN219283689U CN 219283689 U CN219283689 U CN 219283689U CN 202223455998 U CN202223455998 U CN 202223455998U CN 219283689 U CN219283689 U CN 219283689U
- Authority
- CN
- China
- Prior art keywords
- shell
- twist
- heat exchange
- rear end
- end shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a twist pipe dry type evaporator, and relates to the technical field of evaporators. The utility model comprises a shell, a front end shell, a rear end shell and a heat exchange tube assembly, wherein a first baffle is arranged in the front end shell, a refrigerant inlet and a refrigerant outlet which are respectively positioned at two sides of the first baffle are arranged on an outer end plate of the front end shell, an inner shell is fixed on an inner end plate of the front end shell, the shell is a hexagonal shell, the shell is fixed between the inner shell and the rear end shell, the heat exchange tube assembly consists of a plurality of twist tubes, and end plates are arranged at two ends of each twist tube. According to the utility model, the spiral twist tubes are designed as the heat exchange tubes, and the hexagonal shell is matched, so that a large number of spiral flow channels can be formed and form a tube bundle, fluid can generate turbulence along the twist channels of the tube bundle, the turbulence degree is promoted, the flow area in the twist tubes is changed, multiple throttling can be formed, the real countercurrent of refrigerant heating media can be realized, and the heat exchange effect and the working efficiency of the evaporator can be greatly improved.
Description
Technical Field
The utility model belongs to the technical field of evaporators, and particularly relates to a twist tube dry type evaporator.
Background
The heat exchange tubes of the existing tube bundle evaporator are divided into array straight tubes and U-shaped heat exchange tubes, a plurality of baffle plates are required to be arranged on the heat exchange tube assembly to play a role in baffling and are required to be fixed on the inner wall of a shell, and the holes and the heat exchange tube orifices on the baffle plates are smaller in diameter and more in number, so that the positioning is not facilitated during installation, and the problem that the evaporator is difficult to install and produce can occur.
Meanwhile, the outer wall of the heat exchange tube in the shell is smooth, even if a baffle exists, the liquid in the shell flows smoothly, the turbulence effect is poor, the cold and heat exchange is influenced, meanwhile, the refrigerant heat medium flows reversely relatively, and the heat exchange effect is influenced due to the fact that the flow is smooth, the flow speed is relatively large, and therefore the using effect of the evaporator is influenced.
Disclosure of Invention
The utility model aims to provide a twist pipe dry evaporator, which is characterized in that spiral twist pipes are designed to serve as heat exchange pipes, and simultaneously a hexagonal shell is matched, so that a large number of spiral flow channels can be formed to form a tube bundle, fluid can generate turbulence along twist channels of the tube bundle, the turbulence degree is promoted, the flow area in the twist pipes is changed, multiple throttling can be formed, the refrigerant heating medium can realize real countercurrent, and the heat exchange effect and the working efficiency of the evaporator can be greatly improved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a twist tube dry evaporator, which comprises a shell, a front end shell, a rear end shell and a heat exchange tube assembly;
a first baffle plate is arranged in the front end shell, and a refrigerant inlet and a refrigerant outlet which are respectively positioned at two sides of the first baffle plate are arranged on the outer end plate of the front end shell;
an inner shell is fixed on the inner end plate of the front end shell, the shell is a hexagonal shell, and the shell is fixed between the inner shell and the rear end shell;
the heat exchange tube assembly consists of a plurality of twist tubes, wherein end plates are arranged at two ends of each twist tube, the two end plates are respectively fixed on inner side plates of the front end shell and the rear end shell, and two ends of each twist tube are respectively communicated with the front end shell and the rear end shell;
the middle part of the shell is provided with a second baffle plate parallel to the first baffle plate, one end of the second baffle plate extends to the inner side of the front end shell, the second baffle plate in the inner shell is fixed on the inner wall of the inner shell, and a steering gap is formed between the other end of the second baffle plate and the rear end shell;
the heat exchange tube assembly is positioned in the shell and divided into two parts which are respectively arranged at two sides of the second partition board;
the outer walls of two adjacent twist tubes are mutually attached, the side wall of the twist tube at the outer side of the heat exchange tube assembly is attached to the inner wall of the shell, and a plurality of spiral flow passages are formed among the twist tubes and between the twist tube at the outer side of the heat exchange tube assembly and the inner wall of the shell;
the flow channel is distributed in a U shape through a turning gap, two ends of the flow channel are respectively communicated with two cavities formed by the second partition plates in the inner shell, and the peripheral side surface of the inner shell is provided with a water inlet and a water outlet which are respectively connected with the two cavities in the inner shell.
Further, the front end shell, the rear end shell and the inner shell are cylindrical shells, round holes are formed in the axle centers of the inner side plates of the front end shell and the rear end shell, and the end plates are fixed in the round holes.
Further, a plurality of mounting holes are formed in the end plate, straight pipes are arranged at two ends of the twist pipe, and the straight pipes at the end parts of the twist pipe are fixed in the mounting holes.
Further, the front end shell circumference side surface and the rear end shell circumference side surface are both fixed with supports, and the two sides of the bottom of each support are both fixed with supporting legs.
Further, an emptying port and a water drain port are respectively arranged above and below the peripheral side face of the shell, and the emptying port and the water drain port are positioned at one end, close to the rear end shell, of the shell.
Further, the peripheral sides of the water inlet and the water outlet are respectively provided with a temperature measuring port, a flow port and a pressure measuring port, and the emptying port, the water outlet, the temperature measuring port, the flow port and the pressure measuring port are all internally threaded pipe orifices.
The utility model has the following beneficial effects:
1. according to the utility model, the spiral twist tubes are designed as the heat exchange tubes, and the hexagonal shell is matched, so that organic bonding of twist ends on each twist tube and bonding between the shell and the twist tubes on the outer side of the heat exchange tube assembly can form a large number of spiral flow channels to form tube bundles, fluid can generate turbulence along the twist channels of the tube bundles, the turbulence degree is promoted, the tube pass and the shell pass are in spiral movement at the same time due to the unique structures of the tubes and the tube bundles, the flow area in the twist tubes is changed, multiple throttling can be formed, the refrigerant heating medium can realize real countercurrent, and the heat exchange effect and the working efficiency of the evaporator can be greatly improved.
2. The shell of the utility model does not need to be provided with a baffle plate, thereby being beneficial to the assembly of the evaporator and the assembly of the heat exchange tube assembly, being beneficial to the production and the processing, being beneficial to the subsequent maintenance and having lower maintenance cost.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a dry evaporator with twist tubes according to the present utility model;
FIG. 2 is a schematic view of the front end housing of the present utility model from the view point;
in the drawings, the list of components represented by the various numbers is as follows:
1-shell, 2-front end shell, 3-back end shell, 4-heat exchange tube assembly, 5-inner shell, 101-second baffle, 102-evacuation port, 103-drain port, 201-first baffle, 202-refrigerant inlet, 203-refrigerant outlet, 204-support, 205-support leg, 401-twist tube, 501-water inlet, 502-water outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the utility model is a twist tube dry evaporator, which comprises a shell 1, a front end shell 2, a rear end shell 3 and a heat exchange tube assembly 4;
a first separator 201 is arranged in the front end shell 2, and a refrigerant inlet 202 and a refrigerant outlet 203 which are respectively positioned at two sides of the first separator 201 are arranged on the outer end plate of the front end shell 2;
an inner shell 5 is fixed on the inner end plate of the front end shell 2, the shell 1 is a hexagonal shell 1, and the shell 1 is fixed between the inner shell 5 and the rear end shell 3;
the heat exchange tube assembly 4 consists of a plurality of twist tubes 401, wherein end plates are arranged at two ends of each twist tube 401, the two end plates are respectively fixed on inner side plates of the front end shell 2 and the rear end shell 3, and two ends of each twist tube 401 are respectively communicated with the front end shell 2 and the rear end shell 3;
the middle part of the shell 1 is provided with a second partition plate 101 parallel to the first partition plate 201, one end of the second partition plate 101 extends to the inner side of the front end shell 2, the second partition plate 101 in the inner shell 5 is fixed on the inner wall of the inner shell 5, and a steering gap is formed between the other end of the second partition plate 101 and the rear end shell 3;
the heat exchange tube assembly 4 is positioned in the shell 1 and divided into two parts which are respectively arranged at two sides of the second partition board 101;
the outer walls of two adjacent twist tubes 401 are mutually attached, the side wall of the twist tube 401 at the outer side of the heat exchange tube assembly 4 is attached to the inner wall of the shell 1, and a plurality of spiral flow passages are formed among the twist tubes 401 and between the twist tube 401 at the outer side of the heat exchange tube assembly 4 and the inner wall of the shell 1;
the flow channel is distributed in a U shape through the turning gap, two ends of the flow channel are respectively communicated with two cavities formed by the second partition plates 101 in the inner shell 5, and a water inlet 501 and a water outlet 502 which are respectively connected with the two cavities in the inner shell 5 are arranged on the peripheral side surface of the inner shell 5.
Wherein, front end shell 2, rear end shell 3 and interior casing 5 are cylindric casing, and the inboard board axle center department of front end shell 2 and rear end shell 3 all is equipped with the round hole, and the end plate is fixed in the round hole.
Wherein, be equipped with a plurality of mounting holes on the end plate, twist tube 401 both ends are the straight tube, and the straight tube of twist tube 401 tip is fixed in the mounting hole.
As shown in fig. 1-2, the circumferential side of the front end shell 2 and the circumferential side of the rear end shell 3 are both fixed with a support 204, and both sides of the bottom of the support 204 are fixed with supporting legs 205.
Wherein, as shown in fig. 1, the upper part and the lower part of the peripheral side surface of the shell 1 are respectively provided with an emptying port 102 and a water drain port 103, and the emptying port 102 and the water drain port 103 are positioned at one end of the shell 1 close to the rear end shell 3.
As shown in fig. 1-2, the peripheral sides of the water inlet 501 and the water outlet 502 are respectively provided with a temperature measuring port, a flow port and a pressure measuring port, and the emptying port 102, the water drain 103, the temperature measuring port, the flow port and the pressure measuring port are all internally threaded pipe orifices.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a twist tube dry-type evaporator, includes casing (1), front end housing (2), rear end housing (3) and heat exchange tube subassembly (4), its characterized in that:
a first separator (201) is arranged in the front end shell (2), and a refrigerant inlet (202) and a refrigerant outlet (203) which are respectively positioned at two sides of the first separator (201) are arranged on an outer end plate of the front end shell (2);
an inner shell (5) is fixed on the inner end plate of the front end shell (2), the shell (1) is a hexagonal shell (1), and the shell (1) is fixed between the inner shell (5) and the rear end shell (3);
the heat exchange tube assembly (4) consists of a plurality of twist tubes (401), wherein end plates are arranged at two ends of each twist tube (401), the two end plates are respectively fixed on inner side plates of the front end shell (2) and the rear end shell (3), and two ends of each twist tube (401) are respectively communicated with the front end shell (2) and the rear end shell (3);
a second partition board (101) parallel to the first partition board (201) is arranged in the middle of the shell (1), one end of the second partition board (101) extends to the inner side of the front end shell (2), the second partition board (101) in the inner shell (5) is fixed on the inner wall of the inner shell (5), and a steering gap is formed between the other end of the second partition board (101) and the rear end shell (3);
the heat exchange tube assembly (4) is positioned in the shell (1) and divided into two parts which are respectively arranged at two sides of the second partition board (101);
the outer walls of two adjacent twist tubes (401) are mutually attached, the side wall of the twist tube (401) at the outer side of the heat exchange tube assembly (4) is attached to the inner wall of the shell (1), and a plurality of spiral flow passages are formed among the twist tubes (401) and between the twist tube (401) at the outer side of the heat exchange tube assembly (4) and the inner wall of the shell (1);
the flow channel is distributed in a U shape through a steering gap, two ends of the flow channel are respectively communicated with two cavities formed by the second partition plates (101) in the inner shell (5), and a water inlet (501) and a water outlet (502) which are respectively connected with the two cavities in the inner shell (5) are arranged on the peripheral side surface of the inner shell (5).
2. A dry evaporator with twist tubes according to claim 1, wherein the front end shell (2), the rear end shell (3) and the inner shell (5) are cylindrical shells, round holes are formed at the axes of inner side plates of the front end shell (2) and the rear end shell (3), and the end plates are fixed in the round holes.
3. A twist tube dry evaporator as set forth in claim 1 wherein said end plate is provided with a plurality of mounting holes, said twist tube (401) has straight tubes at both ends, and said straight tubes at the ends of said twist tube (401) are fixed in said mounting holes.
4. A twist tube dry evaporator as claimed in claim 1, wherein the front end shell (2) and the rear end shell (3) are each fixed with a support (204), and legs (205) are fixed to both sides of the bottom of the support (204).
5. A twist tube dry evaporator as claimed in claim 1, characterized in that the upper and lower side surfaces of the housing (1) are provided with an evacuation port (102) and a drain port (103), respectively, the evacuation port (102) and the drain port (103) being located at one end of the housing (1) close to the rear end shell (3).
6. The twist pipe dry evaporator as set forth in claim 5, wherein the water inlet (501) and the water outlet (502) are provided with a temperature measuring port, a flow port and a pressure measuring port on the peripheral sides, and the emptying port (102), the water drain port (103), the temperature measuring port, the flow port and the pressure measuring port are all internally threaded nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455998.3U CN219283689U (en) | 2022-12-21 | 2022-12-21 | Twist pipe dry type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455998.3U CN219283689U (en) | 2022-12-21 | 2022-12-21 | Twist pipe dry type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219283689U true CN219283689U (en) | 2023-06-30 |
Family
ID=86933558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223455998.3U Active CN219283689U (en) | 2022-12-21 | 2022-12-21 | Twist pipe dry type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219283689U (en) |
-
2022
- 2022-12-21 CN CN202223455998.3U patent/CN219283689U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200968787Y (en) | Pipe shell type heat-exchanger | |
| KR101723458B1 (en) | Heat exchanger with a pluralty of circular manner | |
| CN219283689U (en) | Twist pipe dry type evaporator | |
| CN202048727U (en) | Dry evaporator of spiral baffle plate | |
| CN105841523A (en) | Corrugated straight pipe heat exchanger and heat exchange method | |
| CN203385245U (en) | Shell-and-tube condenser | |
| CN108844387B (en) | Heat exchange structure and heat exchanger comprising same | |
| CN215766623U (en) | Three-tube plate heat exchanger | |
| CN101419004A (en) | Heat exchange method of pipe shell type heat-exchanger and heat exchanger thereof | |
| CN109506498B (en) | Tubular ultra-high temperature gas cooler | |
| CN216924827U (en) | Throttling evaporator | |
| CN112212724A (en) | Heat exchanger with rotational flow baffle plate | |
| CN220624992U (en) | Non-space heat exchanger | |
| CN220689896U (en) | Disassembly-free heat exchanger | |
| KR101723461B1 (en) | Double-pipe heat exchanger with airflow arrangement of gas and liquid | |
| CN220250755U (en) | High-efficiency shell-and-tube heat exchanger | |
| CN220304336U (en) | Titanium tube heat exchanger for nonferrous metal processing | |
| CN104623917A (en) | Small temperature difference tube/shell side variant space baffle plate-free energy-efficient evaporator | |
| CN219829593U (en) | Novel external flow-guiding efficient heat exchanger | |
| CN211204986U (en) | Shell and tube heat exchanger | |
| CN115127367B (en) | Microchannel heat exchanger, refrigerator and air conditioner | |
| CN212747433U (en) | Threaded multi-tube pass heat exchanger | |
| CN220062692U (en) | Tangential cylindrical graphite heat exchange block | |
| CN110608622B (en) | Tower type tube bundle heat exchanger | |
| CN209857696U (en) | Winding tube type capillary heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |