CN213237701U - Coupling tank for plate heat exchanger unit - Google Patents
Coupling tank for plate heat exchanger unit Download PDFInfo
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- CN213237701U CN213237701U CN202021143953.0U CN202021143953U CN213237701U CN 213237701 U CN213237701 U CN 213237701U CN 202021143953 U CN202021143953 U CN 202021143953U CN 213237701 U CN213237701 U CN 213237701U
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- upper tank
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Abstract
The utility model relates to a heat exchanger technical field, in particular to coupling jar body. A coupling jar body for plate heat exchanger group includes: an upper tank and a lower tank; the top of the upper tank is provided with a mixed water outlet and an upper tank outlet, the side wall of the upper tank is provided with an upper tank inlet, and the upper tank inlet is provided with a micro-resistance check valve; a filtering inlet and a water mixing inlet are formed in the upper part of the side wall of the lower tank, and a filtering net is arranged in the filtering inlet; the lower part of the side wall of the lower tank is provided with a lower tank outlet; a drain valve is arranged at the bottom of the lower tank; sealing the top surface of the lower tank; the bottom of the upper tank is connected with the top surface of the lower tank through a flange. The lower jar of the coupling jar body has filtration, muddy water function, and the upper tank possesses the non return function, and the bypass check valve that sets up between upper tank and the lower jar can effectively prevent the emergence of water hammer phenomenon. The utility model discloses can solve heat exchanger group before because the too big problem of system resistance that the unreasonable of lectotype and structure caused, effectively improve heat exchanger group's transmission and distribution efficiency, save the loss of the energy.
Description
Technical Field
The utility model relates to a heat exchanger technical field, in particular to coupling jar body.
Background
The plate heat exchanger unit can automatically and continuously convert the heat obtained by the primary network into domestic water and heating water required by a user. The working principle is as follows: hot water enters the plate heat exchanger from the primary side inlet of the unit for heat exchange, hot water with different temperatures such as heating, air conditioning, floor heating or domestic water is produced, and the hot water flows out from the secondary side outlet of the unit and is led out to users by a secondary heat supply pipeline. Secondary side backwater is subjected to dirt removal through a filter, enters the plate heat exchanger through a secondary side circulating water pump for heat exchange, and is led out again; the primary return water returns to the heat source to form a closed cycle for continuous heat supply.
Need set up filtration equipment, water mixing equipment, non return device and bypass line between secondary heating system's circulating water pump and heat exchanger, the improper problem that can cause the too big problem of system resistance of above subassembly selection and structure influences transmission and distribution efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: a coupling tank body is arranged between the circulating water pump and the heat exchanger, and can flexibly serve circulating water of the heat exchanger unit.
The technical scheme of the utility model is that: a coupling jar body for plate heat exchanger group, the coupling jar body includes: an upper tank and a lower tank.
The top of the upper tank is provided with a mixed water outlet and an upper tank outlet, and the side wall of the upper tank is provided with an upper tank inlet; the bottom surface of the upper tank is provided with an opening and a flange.
A filtering inlet and a water mixing inlet are formed in the upper part of the side wall of the lower tank, and a filtering net is arranged in the filtering inlet; the lower part of the side wall of the lower tank is provided with a lower tank outlet; a drain valve is arranged at the bottom of the lower tank; the top surface of the lower tank is sealed.
The bottom of the upper tank is connected with the top surface of the lower tank through a flange.
The inlet of the upper tank is communicated with the outlet of the water pump, and the outlet of the lower tank is communicated with the inlet of the water pump; the medium in the lower tank is led to the upper tank under the action of the water pump. The outlet of the upper tank is connected with the inlet of the heat exchanger through a pipeline; the outlet of the heat exchanger is connected with the mixed water inlet on the lower tank through a pipeline. The mixed water outlet of the upper tank is communicated with the cold side user side through a pipeline, and the return water of the cold side user side is communicated to the filtering inlet of the lower tank.
When in work:
high-temperature medium flowing out of the heat exchanger side enters the lower tank through the water mixing inlet, and under the action of the water pump, the high-temperature medium is discharged from the outlet of the lower tank and enters the upper tank through the inlet of the upper tank; the medium is divided into two paths from the upper tank, one path leads to the cold side user end through the mixed water outlet, and the other path returns to the heat exchanger through the upper tank outlet, so that circulation is formed.
The low-temperature medium flowing out of the user end side at the cold side enters the lower tank through the filtering inlet, is subjected to heat mixing with the high-temperature medium in the lower tank after being filtered, and is discharged from the outlet of the lower tank and enters the upper tank through the inlet of the upper tank under the action of the water pump; one path of the medium in the upper tank leads to a cold side user end, and the other path of the medium returns to the heat exchanger, so that circulation is formed.
On the basis of the scheme, specifically, the number of the upper tank inlets is two, and the upper tank inlets are symmetrically arranged on two sides of the upper tank. Furthermore, in order to prevent the medium from flowing back in the pipeline, a micro-resistance check valve is arranged at the inlet of the upper tank.
On the basis of the scheme, specifically, the number of the outlets of the lower tank is two, and the outlets are symmetrically arranged on two sides of the lower tank. Furthermore, in order to realize the control of the medium flow, a butterfly valve is arranged in the outlet of the lower tank.
On the basis of above-mentioned scheme, furtherly, for preventing the water hammer phenomenon appears when the pump stopping, be equipped with the bypass check valve between upper tank bottom and lower tank deck, during the pump stopping, the bypass check valve is opened and is eliminated the water hammer and vibrate.
On the basis of the scheme, a filter screen cleaning opening is further formed in the upper portion of the side wall of the lower tank; the filter screen cleaning port is closed by a flange cover; the filter screen cleaning port and the filter inlet are positioned at the same horizontal height; the filter screen sets up between filter inlet and the clean mouth of filter screen. When the filter screen is cleaned, the flange cover at the cleaning opening of the filter screen is opened and taken out.
Has the advantages that: the lower jar of the coupling jar body has filtration, muddy water function, and the upper tank possesses the non return function, and the bypass check valve that sets up between upper tank and the lower jar can effectively prevent the emergence of water hammer phenomenon. The utility model discloses can solve heat exchanger group before because the too big problem of system resistance that the unreasonable of lectotype and structure caused, effectively improve heat exchanger group's transmission and distribution efficiency, save the loss of the energy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view along AA of FIG. 2;
FIG. 4 is a schematic view of the working principle of the present invention;
in the figure: 1-upper tank, 2-lower tank, 3-mixed water outlet, 4-micro-resistance check valve, 5-filtering inlet, 6-filter screen cleaning port, 7-mixed water inlet, 8-butterfly valve, 9-lower tank outlet, 10-upper tank inlet, 11-blow-down valve, 12-upper tank outlet, 13-bypass check valve, 14-water pump, 15-heat exchanger, 16-cold side user side.
Detailed Description
Referring to fig. 1, 2 and 3, a coupling tank for a plate heat exchanger unit, the coupling tank comprises: an upper tank 1 and a lower tank 2.
The top of the upper tank 1 is provided with a mixed water outlet 3 and an upper tank outlet 12, and the side wall of the upper tank 1 is provided with an upper tank inlet 10; the bottom surface of the upper tank 1 is provided with an opening and a flange. Wherein, the upper tank inlet 10 is communicated with the outlet of a water pump 14, the upper tank outlet 12 is connected with the inlet of a heat exchanger 15 through a pipeline, and the mixed water outlet 3 is communicated with a cold side user terminal 16 through a pipeline. In this example, the number of the upper tank inlets 10 is two, and the inlets are symmetrically arranged on both sides of the upper tank 1. To prevent the medium from flowing back in the line, a micro-resistance check valve 4 is provided at the upper tank inlet 10.
A filtering inlet 5 and a mixed water inlet 7 are arranged at the upper part of the side wall of the lower tank 2, and a filtering net is arranged in the filtering inlet 5; the lower part of the side wall of the lower tank 2 is provided with a lower tank outlet 9; a drain valve 11 is arranged at the bottom of the lower tank 2; the top surface of the lower tank 2 is sealed. Wherein, the outlet 9 of the lower tank is communicated with the inlet of a water pump 14, and the medium in the lower tank 2 is led to the upper tank 1 under the action of the water pump 14; the mixed water inlet 7 is connected with the outlet of the heat exchanger 15 through a pipeline; the filter inlet 5 is connected to the return water of the cold-side user terminal 16 via a line. In this example, the number of the lower tank outlets 9 is two, and the two outlets are symmetrically arranged on two sides of the lower tank 2. In order to realize the control of the medium flow, a butterfly valve 8 is arranged in the outlet 9 of the lower tank. The upper part of the side wall of the lower tank 2 is also provided with a filter screen cleaning port 6; the filter screen cleaning port 6 is closed by a flange cover; the filter screen cleaning port 6 and the filter inlet 5 are positioned at the same horizontal height; the filter screen is arranged between the filter inlet 5 and the filter screen cleaning opening 6. When the filter screen is cleaned, the flange cover at the filter screen cleaning opening 6 is opened and taken out.
The bottom of the upper tank 1 is connected with the top surface of the lower tank 2 through a flange. In order to prevent the water hammer phenomenon when the pump is stopped, a bypass check valve 13 is arranged between the bottom of the upper tank 1 and the top surface of the lower tank 2, and the bypass check valve 13 is opened to eliminate the shock of water shock waves when the pump is stopped.
Referring to fig. 4, in operation: high-temperature medium flowing out of the heat exchanger 15 enters the lower tank 2 through the mixed water inlet 7, and is discharged from the lower tank outlet 9 and enters the upper tank 1 through the upper tank inlet 10 under the action of the water pump 14; the medium is divided into two paths from the upper tank 1, one path is led to the cold side user end 16 through the mixed water outlet 3, and the other path is returned to the heat exchanger 15 through the upper tank outlet 12, so that circulation is formed.
A low-temperature medium flowing out of a cold-side user terminal 16 enters the lower tank 2 through the filtering inlet 5, is subjected to heat mixing with a high-temperature medium in the lower tank 2 after being filtered, and is discharged from the lower tank outlet 9 and enters the upper tank 1 through the upper tank inlet 10 under the action of the water pump 14; the medium in the upper tank 1 is led to the cold-side user terminal 16 on the one hand and is returned to the heat exchanger 15 on the other hand, thus forming a circulation.
The device combines the functions of non-return, filtration, bypass and water mixing, can flexibly serve the circulating water pump of the heat exchanger unit, ensures the low pressure drop characteristic of the function, and has the designed target value below 30 kPa.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a coupling jar body for plate heat exchanger group which characterized in that: the coupling jar body includes: an upper tank (1) and a lower tank (2);
the top of the upper tank (1) is provided with a mixed water outlet (3) and an upper tank outlet (12), and the side wall of the upper tank (1) is provided with an upper tank inlet (10); the bottom surface of the upper tank (1) is provided with an opening and is provided with a flange;
a filtering inlet (5) and a water mixing inlet (7) are formed in the upper portion of the side wall of the lower tank (2), and a filtering net is arranged in the filtering inlet (5); a lower tank outlet (9) is formed in the lower part of the side wall of the lower tank (2); a drain valve (11) is arranged at the bottom of the lower tank (2); the top surface of the lower tank (2) is sealed;
the bottom of the upper tank (1) is connected with the top surface of the lower tank (2) through the flange.
2. A coupling tank for a plate heat exchanger unit according to claim 1, characterized in that: the number of the upper tank inlets (10) is two, and the upper tank inlets are symmetrically arranged on two sides of the upper tank (1).
3. A coupling tank for a plate heat exchanger unit according to claim 1 or 2, characterized in that: and a micro-resistance check valve (4) is arranged at the inlet (10) of the upper tank.
4. A coupling tank for a plate heat exchanger unit according to claim 2, characterized in that: the number of the lower tank outlets (9) is two, and the lower tank outlets are symmetrically arranged on two sides of the lower tank (2).
5. A coupling tank for a plate heat exchanger unit according to claim 1 or 4, characterized in that: a butterfly valve (8) is arranged in the lower tank outlet (9).
6. A coupling tank for a plate heat exchanger unit according to claim 1, characterized in that: a bypass check valve (13) is arranged between the bottom of the upper tank (1) and the top surface of the lower tank (2).
7. A coupling tank for a plate heat exchanger unit according to claim 1, characterized in that: the upper part of the side wall of the lower tank (2) is also provided with a filter screen cleaning opening (6); the filter screen cleaning opening (6) is closed by a flange cover; the filter screen cleaning opening (6) and the filtering inlet (5) are at the same horizontal height; the filter screen is arranged between the filter inlet (5) and the filter screen cleaning opening (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143953.0U CN213237701U (en) | 2020-06-19 | 2020-06-19 | Coupling tank for plate heat exchanger unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143953.0U CN213237701U (en) | 2020-06-19 | 2020-06-19 | Coupling tank for plate heat exchanger unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213237701U true CN213237701U (en) | 2021-05-18 |
Family
ID=75885137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021143953.0U Active CN213237701U (en) | 2020-06-19 | 2020-06-19 | Coupling tank for plate heat exchanger unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213237701U (en) |
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2020
- 2020-06-19 CN CN202021143953.0U patent/CN213237701U/en active Active
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