CN220648691U - Seawater culture drainage waste heat recovery and constant temperature system - Google Patents
Seawater culture drainage waste heat recovery and constant temperature system Download PDFInfo
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- CN220648691U CN220648691U CN202321508238.6U CN202321508238U CN220648691U CN 220648691 U CN220648691 U CN 220648691U CN 202321508238 U CN202321508238 U CN 202321508238U CN 220648691 U CN220648691 U CN 220648691U
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Abstract
The utility model discloses a mariculture drainage waste heat recovery and constant temperature system, which comprises a primary waste heat recovery heat exchanger, wherein one end of the primary waste heat recovery heat exchanger is provided with a sea water discharge pump through a pipeline, one end of the sea water discharge pump is connected with an automatic filter through a pipeline, one end of the automatic filter is connected with a culture pond through a pipeline, the other end of the primary waste heat recovery heat exchanger is connected with a secondary heat recovery unit through a pipeline, the secondary heat recovery unit is connected with a discharged sea water precipitator and a precipitation filter through a pipeline, the primary waste heat recovery heat exchanger is connected with a new sea water pump through a pipeline, the new sea water pump is connected with a new sea water automatic distribution valve through a pipeline, and the new sea water heat pump unit is used for supplementing supplementary heat required by a pond surface heat dissipation culture system of the whole system, and can provide newly added heat and new constant temperature sea water at the same time, so that the reliability of the system is improved.
Description
Technical Field
The utility model relates to the field of culture waste heat recovery, in particular to a marine culture drainage waste heat recovery and constant temperature system.
Background
The seawater constant temperature cultivation needs a large amount of heat to keep the cultivation water temperature, the traditional temperature rising mode is coal-fired, fuel oil, fuel gas or biomass boilers, after the environmental protection emission standard is improved, the natural gas boilers and the electric boilers are generally adopted in the cultivation farm, and the emission is up to the standard but the heat cost is high.
In recent years, although some farms adopt a heat pump technology, due to lack of knowledge of heat exchange theory and waste heat recovery theory and technology, the system still has a large efficiency lifting space, the mariculture drainage waste heat recovery and constant temperature system utilizes a small temperature difference waste heat recovery theory, and the auxiliary heat pump technology realizes high-efficiency recycling of low-grade energy.
In order to improve the efficiency of waste heat recovery and utilization, a new recovery system needs to be proposed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a mariculture drainage waste heat recovery and constant temperature system, and the system is used for supplementing the heat required by a pond surface heat dissipation cultivation system of the cultivation system and the newly added heat and the newly constant temperature seawater by combining a new seawater heat pump unit according to the actual heating system requirement of constant temperature mariculture, so that the reliability of the cultivation heat supply and constant temperature system is improved, the waste heat recovery and utilization efficiency of the system is greatly improved, and the heat supply constant temperature cost of cultivation is further reduced.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a mariculture drainage waste heat recovery and constant temperature system, includes one-level waste heat recovery heat exchanger, one end of one-level waste heat recovery heat exchanger is through the pipeline installation sea water discharge pump, the one end of sea water discharge pump is through the pipeline connection automatic filter, automatic filter be connected with the breed pond, the other end of one-level waste heat recovery heat exchanger is through the pipeline connection there is second grade heat recovery unit, second grade heat recovery unit is through the pipeline connection there is discharge sea water precipitator and precipitation filter, one-level waste heat recovery heat exchanger is through the pipeline connection there is new sea water pump, new sea water pump is through the pipeline connection there is new sea water automatic distribution valve, new sea water automatic distribution valve is through the pipeline connection there is new sea water heat pump unit.
Further, the secondary heat recovery unit is connected with the discharged seawater precipitator and the culture pond through pipelines.
Further, the primary waste heat recovery heat exchanger is connected with the new seawater heat pump unit through a pipeline.
Further, the automatic new seawater distribution valve is connected to the new seawater heat pump unit through double-row pipelines.
Further, the new seawater heat pump unit is connected to the outer side of the precipitation filter through a pipeline.
Drawings
FIG. 1 is a schematic diagram of the overall piping structure of the present utility model;
FIG. 2 is a schematic diagram of a partial pipeline according to the present utility model.
The reference numerals in the figures illustrate:
a first-stage waste heat recovery heat exchanger 1, a second-stage heat recovery unit 2, a new seawater heat pump unit 3, a discharged seawater precipitator 4, a precipitation filter 5, a new seawater pump 6, a seawater discharge pump 7, a new seawater automatic distribution valve 8, a culture pond 9 and an automatic filter 10.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples
Referring to fig. 1 and 2, the mariculture drain waste heat recovery and constant temperature system comprises a primary waste heat recovery heat exchanger 1, wherein one end of the primary waste heat recovery heat exchanger 1 is provided with a seawater discharge pump 7 through a pipeline, one end of the seawater discharge pump 7 is connected with an automatic filter 10 through a pipeline, the automatic filter 10 is connected with a culture pond 9 through a pipeline, the other end of the primary waste heat recovery heat exchanger 1 is connected with a secondary heat recovery unit 2 through a pipeline, the secondary heat recovery unit 2 is connected with a discharged seawater precipitator 4 and a precipitation filter 5 through a pipeline, the primary waste heat recovery heat exchanger 1 is connected with a new seawater pump 6 through a pipeline, the new seawater pump 6 is connected with a new seawater automatic distribution valve 8 through a pipeline, and the new seawater automatic distribution valve 8 is connected with a new seawater heat pump unit 3 through a pipeline.
The secondary heat recovery unit 2 is connected with the discharged seawater precipitator 4 and the culture pond 9 through pipelines, the primary waste heat recovery heat exchanger 1 is connected with the new seawater heat pump unit 3 through pipelines, the new seawater automatic distribution valve 8 is connected with the new seawater heat pump unit 3 through double-row pipelines, and the new seawater heat pump unit 3 is connected with the outer side of the precipitation filter 5 through pipelines.
The main flow design of the system is as follows:
1. the heat of the discharged seawater is recovered in the first step by utilizing a seawater heat recovery heat exchanger in a concentrated or regional way through a discharge pipeline after heat preservation, wherein the adopted heat recovery heat exchanger is a seawater corrosion-resistant small-temperature-difference efficient heat exchanger, and the heat exchange degree can reduce the temperature of the discharged seawater to the degree that the temperature difference between the discharged seawater and the new seawater is only 1 ℃.
2. The waste heat recovery heat pump in the system extracts heat of the discharged water after utilizing the seawater heat recovery heat exchanger, the temperature of the discharged water is reduced to be more than 2 ℃ lower than the temperature of the new seawater, the extracted heat is used for lifting the new seawater from the seawater heat recovery heat exchanger, and the temperature of the new seawater is lifted to be required by a cultivation place.
3. The new seawater heat pump unit and the system divide the new seawater into two paths before entering the new seawater heat pump unit, one path is used as heat source water to enter a heat pump for heat release, so that heat is recovered, the heat source water is discharged into a seawater discharge system after heat release, the other path is used as heat absorption water, and the heat absorption water absorbs the heat of the new seawater heat pump unit and then raises the temperature of the heat absorption water to the temperature required by a cultivation place, and the heat absorption water enters a constant-temperature water system of the cultivation place.
4. The heat exchange temperature difference and the temperature rise amplitude of the seawater heat exchanger and the heat pump unit of the seawater aquaculture drainage waste heat recovery and constant temperature system are controlled within 10 ℃ and below 35 ℃, so that the design firstly can ensure that the COP of the heat pump unit is not lower than 7, secondly removes the scaling conditions of heat exchange equipment and the heat pump unit, and avoids the scaling problem in the system
5. After the waste heat recovery of the discharged seawater, water treatment facilities such as a sedimentation tank, a filter and the like are designed according to the discharge standard, so that the discharged seawater can reach the standard.
6. The automatic backwashing filter is designed for the seawater heat exchanger of the mariculture drainage waste heat recovery and constant temperature system and all water inlets of the heat pump unit, so that the blockage problem of each heat exchange device and the heat pump unit can be prevented, and the operation reliability of the system is improved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (5)
1. The marine culture drainage waste heat recovery and constant temperature system comprises a primary waste heat recovery heat exchanger (1), and is characterized in that: one end of one-level waste heat recovery heat exchanger (1) is through pipeline installation sea water discharge pump (7), the one end of sea water discharge pump (7) is through pipe connection automatic filter (10), automatic filter (10) be connected with breed pond (9), the other end of one-level waste heat recovery heat exchanger (1) is through pipe connection there is second grade heat recovery unit (2), second grade heat recovery unit (2) are through pipe connection there being discharge sea water precipitator (4) and sedimentation filter (5), one-level waste heat recovery heat exchanger (1) is through pipe connection there is new sea water pump (6), new sea water pump (6) are through pipe connection there is new sea water automatic distribution valve (8), new sea water automatic distribution valve (8) are new sea water heat pump unit (3) through pipe connection.
2. The mariculture drain waste heat recovery and constant temperature system according to claim 1, wherein: the secondary heat recovery unit (2) is connected with the discharged seawater precipitator (4) and the culture pond (9) through pipelines.
3. The mariculture drain waste heat recovery and constant temperature system according to claim 1, wherein: the primary waste heat recovery heat exchanger (1) is connected with the new seawater heat pump unit (3) through a pipeline.
4. The mariculture drain waste heat recovery and constant temperature system according to claim 1, wherein: the automatic new seawater distribution valve (8) is connected with the new seawater heat pump unit (3) through double-row pipelines.
5. The mariculture drain waste heat recovery and constant temperature system according to claim 1, wherein: the new seawater heat pump unit (3) is connected to the outer side of the precipitation filter (5) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508238.6U CN220648691U (en) | 2023-06-14 | 2023-06-14 | Seawater culture drainage waste heat recovery and constant temperature system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508238.6U CN220648691U (en) | 2023-06-14 | 2023-06-14 | Seawater culture drainage waste heat recovery and constant temperature system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220648691U true CN220648691U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508238.6U Active CN220648691U (en) | 2023-06-14 | 2023-06-14 | Seawater culture drainage waste heat recovery and constant temperature system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220648691U (en) |
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2023
- 2023-06-14 CN CN202321508238.6U patent/CN220648691U/en active Active
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