A kind of aquaculture heat recovery system

Abstract

The present invention relates to a heat recovery system for aquaculture, characterized in that it comprises: a heat exchange device and a breeding house, wherein the heat exchange device is connected to the breeding house, and the heat exchange device is used to recover the heat of the gas in the breeding house. The present invention eliminates harmful gases and dust in the waste gas by acid washing and water washing, thereby solving the problem of dirty air polluting the environment in the breeding house; the heat recovery pipe group supported by graphene absorbs the heat in the waste water, and the hot water is used for preheating the air of the ventilation window, thereby solving the problem that the existing equipment cannot recover the waste heat in the breeding house.

Description

Technical Field

[0001] The invention relates to a breeding heat recovery system. Background Art

[0002] The breathing of animals in existing breeding pens will produce a large amount of moist and warm gas, and the excrement of animals will produce harmful gases such as sulfur dioxide and oxygen. At present, there is no equipment for recycling waste heat in breeding pens, resulting in a waste of energy. Summary of the invention

[0003] The present invention aims to solve the above-mentioned problems and provides a breeding heat recovery system, which solves the problem that the existing equipment cannot recover the waste heat in the breeding pens and solves the problem that the dirty air inside the breeding pens pollutes the environment.

[0004] A breeding heat recovery system is characterized by comprising: a heat exchange device and a breeding pen, wherein the heat exchange device is connected to the breeding pen, and the heat exchange device is used to recover the heat of the gas in the breeding pen.

[0005] Preferably, the heat exchange device includes a shell, an air intake pipe, a first high-pressure fan, a dust removal spray pipe, a heat recovery pipe and a heat recovery pipe group. The top of the shell is fixedly connected to the air intake pipe, the first high-pressure fan is installed in the air intake pipe, the dust removal spray pipe is installed above the shell, and a plurality of nozzles are fixedly installed below the dust removal spray pipe. A water storage portion is formed at the bottom of the shell, a heat recovery pipe group is arranged in the water storage portion, and the heat recovery pipe group is connected to the heat recovery pipe through a pipe.

[0006] Preferably, the heat recovery pipes of adjacent heat exchange devices are interconnected.

[0007] Preferably, it further comprises a heat pump unit, and the heat pump unit is connected with the heat recovery pipeline through a pipeline.

[0008] Preferably, it also includes a ventilation window and a heat exchange tube group for heating or cooling the air, the ventilation window is fixedly installed on the wall of the breeding pen, a heat exchange tube group is arranged below the ventilation window, the heat exchange tube group is adjacent to the heat pump unit through a water inlet pipe, the heat exchange tube group is connected to the heat recovery pipe of the heat exchange device through a water outlet pipe, and an air intake sleeve is mounted on the outer side of the heat exchange tube group, and the air intake sleeve is connected to the ventilation window.

[0009] Preferably, a top plate is fixedly connected to the upper part of the breeding pen, a roof is fixedly connected to the top of the breeding pen, side plates are respectively fixedly connected on both sides above the top plate, the top plate, the side plates and the roof form a cavity, a second fan is arranged in the cavity, the second fan is fixedly mounted on the top plate, and the second fan is used to draw the gas below the top plate into the cavity to connect the cavity with the heat exchange device.

[0010] Preferably, the heat exchange device further comprises a pickling pipe and a pickling water curtain, the pickling pipe is fixedly provided with a plurality of nozzles, and the pickling water curtain is below the pickling pipe.

[0011] Preferably, an air outlet is formed on the side of the shell, the side of the shell is fixedly connected to the mesh basket, the air outlet is communicated with the mesh basket, and the mesh basket is provided with a purification medium.

[0012] Preferably, the ventilation window comprises a valve baffle and an air guide plate, wherein the valve baffle is inside the ventilation window frame and is rotatably connected to the ventilation window frame, and the air guide plate is on the top of the ventilation window frame and is rotatably connected to the ventilation window frame.

[0013] The present invention has the following advantages: harmful gases and dust in the exhaust gas are eliminated through acid washing and water washing, thereby solving the problem of dirty air polluting the environment inside the breeding pens; heat in the wastewater is absorbed by the heat recovery pipe group supported by graphene, and hot water is used to preheat the air of the ventilation window, thereby solving the problem that the existing equipment cannot recover the waste heat in the breeding pens. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0015] Figure 1 : Schematic diagram of the external structure of the present invention;

[0016] Figure 2 : Schematic diagram of the external structure of the present invention (without the roof);

[0017] Figure 3 : Schematic diagram of the internal structure of the present invention;

[0018] Figure 4 : A schematic structural diagram of the heat exchange device of the present invention;

[0019] Figure 5 : A schematic cross-sectional view of the heat exchange device of the present invention;

[0020] Figure 6 : A local enlarged structural schematic diagram of the present invention;

[0021] Figure 7 : A schematic structural diagram of the air intake sleeve of the present invention;

[0022] Figure 8 : A schematic diagram of the structure of the valve baffle of the present invention; DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and examples:

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Embodiment 1:

[0027] like Figures 1 to 7 As shown, this embodiment provides a breeding heat recovery system, characterized in that it includes: a heat exchange device 1 and a breeding pen 2, the heat exchange device 1 is connected to the breeding pen 2, and the heat exchange device 1 is used to recover the heat of the gas in the breeding pen 2.

[0028] Preferably, the heat exchange device 1 includes a shell 10, an air intake pipe 11, a first high-pressure fan 12, a dust removal spray pipe 15, a heat recovery pipe 16 and a heat recovery pipe group 17. The top of the shell 10 is fixedly connected to the air intake pipe 11, and the first high-pressure fan 12 is installed in the air intake pipe 11. The dust removal spray pipe 15 is installed above the shell 10, and a plurality of nozzles are fixedly installed below the dust removal spray pipe 15. A water storage portion 10a is formed at the bottom of the shell 10, and a heat recovery pipe group 17 is arranged in the water storage portion 10a. The heat recovery pipe group 17 is connected to the heat recovery pipe 16 through a pipe.

[0029] Preferably, the heat recovery pipes 16 of adjacent heat exchange devices 1 are interconnected.

[0030] Preferably, a heat pump unit 5 is further included, and the heat pump unit 5 is connected to the heat recovery pipeline 16 through a pipeline.

[0031] Preferably, it also includes a ventilation window 24 and a heat exchange tube group 25 for heating or cooling air, the ventilation window 24 is fixedly installed on the wall of the breeding pen 2, and a heat exchange tube group 25 is arranged below the ventilation window 24. The heat exchange tube group 25 is adjacent to the heat pump unit 5 through the water inlet pipe 51, and the heat exchange tube group 25 is connected to the heat recovery pipe 16 of the heat exchange device 1 through the water outlet pipe 52. The outer side of the heat exchange tube group 25 is provided with an air intake sleeve 26, and the air intake sleeve 26 is connected to the ventilation window 24.

[0032] Preferably, a top plate 21 is fixedly connected to the upper part of the breeding pen 2, a roof 28 is fixedly connected to the top of the breeding pen 2, side plates 22 are respectively fixedly connected to both sides above the top plate 21, the top plate 21, the side plates 22 and the roof 28 form a cavity 27, a second fan 23 is arranged in the cavity 27, the second fan 23 is fixedly mounted on the top plate 21, and the second fan 23 is used to draw the gas below the top plate 21 into the cavity 27, so as to connect the cavity 27 with the heat exchange device 1.

[0033] Preferably, the heat exchange device 1 further comprises a pickling pipe 14 and a pickling water curtain 18 b , the pickling pipe 14 is fixedly provided with a plurality of nozzles, and the pickling water curtain 18 b is below the pickling pipe 14 .

[0034] Preferably, an air outlet 13 is formed on the side of the shell 10, the side of the shell 10 is fixedly connected to the mesh basket 19, the air outlet 13 is communicated with the mesh basket 19, and the mesh basket 19 is placed with a purification medium.

[0035] Preferably, the ventilation window 24 includes a valve baffle 241 and an air guide plate 242, wherein the valve baffle 241 is inside the window frame of the ventilation window 24 and is rotatably connected to the window frame of the ventilation window 24, and the air guide plate 242 is at the top of the window frame of the ventilation window 24 and is rotatably connected to the window frame of the ventilation window 24.

[0036] Working principle:

[0037] In winter, the second fan 23 works to generate negative pressure inside the breeding pen 2, and fresh air outside the breeding pen 2 enters the breeding pen 2 through the ventilation window 24. At this time, the direction of the airflow is from the ventilation window 24 through the inside of the breeding pen 2, and is sucked into the cavity 27 by the second fan 23.

[0038] The first high-pressure fan 12 works to draw the dirty air containing waste heat in the cavity 27 into the housing 10 of the heat exchange device 1 through the air inlet pipe 11 .

[0039] The dirty air containing waste heat moves from top to bottom in the shell 10, and is first pickled by the acid liquid sprayed from the nozzle of the pickling pipe 14, and then passes through the pickling water curtain 18b with acid liquid to further eliminate sulfur dioxide and ammonia in the dirty air. Then, the dirty air is sprayed by the nozzle of the dust removal spray pipe 15 for dust removal, and the waste heat of the dirty air is collected into the water by contacting and dissolving the dirty air with water. The water and acid liquid with waste heat enter the water storage part 10a, and contact with the heat recovery pipe group 17 made of graphene and plastic in the water storage part 10a. The heat recovery pipe group 17 transfers the waste heat of the liquid in the water storage part 10a to the heat recovery pipe 16 through heat transfer. The heated hot water in the heat recovery pipe 16 is pumped into the heat exchange pipe group 25 through the heat pump pipe group 5 to preheat the cold air entering the ventilation window 24. The temperature of the air in the breeding shed 2 is increased to prevent the air from condensing in the breeding shed 2 due to low temperature, which causes the animals to contact with condensed water and cause an increase in mortality. The above-mentioned acid solution is a diluted sulfuric acid solution.

[0040] The purification medium in the basket 19 is a culture medium and microorganisms that can remove harmful gases, and the components in the harmful gases are decomposed by the microorganisms.

[0041] When the valve baffle 241 of the ventilation window 24 is closed, the hole of the ventilation window 24 can be completely covered, and the air intake of the air intake area of ​​the ventilation window 24 can be changed by rotating the valve baffle 241. The air flow angle of the air intake is controlled by changing the angle of the air guide plate 242 to prevent the air flow from blowing directly onto the animal.

[0042] The heat exchange tube group 25 includes a side plate 251 and a heat exchange tube 252. Both ends of the heat exchange tube 252 are connected to the side plate 251. The medium in the water inlet pipe 51 enters the heat exchange tube 252 through the side plate 251 on one side, and flows out to the water outlet pipe 52 through the side plate 251 on the other side.

[0043] In summer: the refrigeration device in the heat pump unit 5 provides cold medium for the heat exchange tube group 25, so that the water in the air condenses at the heat exchange tube group 25, reduces the humidity of the air entering the breeding shed 2, and improves the survival rate of animals and reduces the disease rate of animals by reducing the humidity. The heat pump unit 5, the water inlet pipe 51, the heat exchange tube group 25 and the water outlet pipe 52 form a series loop. In summer, the medium returns directly to the heat pump unit 5 without passing through the heat recovery pipe 16, closes the heat recovery pipe 16, and opens a pipe in parallel with the heat recovery pipe 16.

[0044] The water storage part 10 a is connected to the sewage purification unit 4 through a pipeline. The sewage in the water storage part 10 a is pumped out and purified by the sewage purification unit 4 and then discharged from the drainage pipe 41 .

[0045] In summer, the deodorizing and dust removing parts in the heat exchange device 1 still work.

[0046] The valve baffle 241 uses PVC material and a hollow structure. A partition plate 241a is formed inside the valve baffle 241, dividing the inside of the valve baffle 241 into three hollow layers, thereby solving the heat conduction problem and avoiding the condensation point of the air; preheating and precooling the air solves the temperature difference problem between indoors and outdoors, and also reduces air condensation; and then there is the application of the enthalpy-humidity diagram.

[0047] The ventilation window 24 and the heat exchange tube group 25 are made of plastic material to avoid corrosion.

[0048] The present invention is described above by way of examples, but the present invention is not limited to the above specific embodiments, and any changes or modifications made based on the present invention belong to the scope of protection claimed by the present invention.

Claims

1. A heat recovery system for aquaculture, characterized in that: include: A heat exchange device (1) and a breeding pen (2), wherein the heat exchange device (1) is connected to the breeding pen (2), and the heat exchange device (1) is used to recover heat from gas in the breeding pen (2); The heat exchange device (1) comprises a shell (10), an air intake pipe (11), a first high-pressure fan (12), a dust removal spray pipe (15), a heat recovery pipe (16) and a heat recovery pipe group (17); the top of the shell (10) is fixedly connected to the air intake pipe (11); the first high-pressure fan (12) is installed in the air intake pipe (11); the dust removal spray pipe (15) is installed above the shell (10); a plurality of spray heads are fixedly installed below the dust removal spray pipe (15); a water storage portion (10a) is formed at the bottom of the shell (10); a heat recovery pipe group (17) is arranged in the water storage portion (10a); the heat recovery pipe group (17) is connected to the heat recovery pipe (16) through a pipe; An air outlet (13) is formed on the side of the shell (10), the side of the shell (10) is fixedly connected to a mesh basket (19), the air outlet (13) is connected to the mesh basket (19), and a purification medium is placed in the mesh basket (19); The purification medium in the basket (19) is a culture medium and microorganisms that can remove harmful gases. The components in the harmful gases are decomposed by the microorganisms. It also includes a heat pump unit (5), wherein the heat pump unit (5) is connected to a heat recovery pipeline (16) via a pipeline; It also comprises a ventilation window (24) and a heat exchange tube group (25) for heating or cooling air, wherein the ventilation window (24) is fixedly mounted on the wall of the breeding house (2), a heat exchange tube group (25) is arranged below the ventilation window (24), the heat exchange tube group (25) is adjacently connected to the heat pump unit (5) through a water inlet pipe (51), the heat exchange tube group (25) is connected to the heat recovery pipe (16) of the heat exchange device (1) through a water outlet pipe (52), and an air intake sleeve (26) is sleeved on the outer side of the heat exchange tube group (25), and the air intake sleeve (26) is connected to the ventilation window (24); The heat exchange tube group (25) preheats the cold air to prevent the air from condensing in the breeding shed (2) due to the low temperature.

2. The aquaculture heat recovery system according to claim 1, characterized in that: The heat recovery pipes (16) of adjacent heat exchange devices (1) are connected.

3. The aquaculture heat recovery system according to claim 1, characterized in that: A top plate (21) is fixedly connected to the upper part of the breeding pen (2), a roof (28) is fixedly connected to the top of the breeding pen (2), side plates (22) are fixedly connected to both sides above the top plate (21), the top plate (21), the side plates (22) and the roof (28) form a cavity (27), a second fan (23) is arranged in the cavity (27), the second fan (23) is fixedly mounted on the top plate (21), and the second fan (23) is used to draw gas below the top plate (21) into the cavity (27), so as to connect the cavity (27) with the heat exchange device (1).

4. The aquaculture heat recovery system according to claim 1, characterized in that: The heat exchange device (1) further comprises a pickling pipeline (14) and a pickling water curtain (18b), wherein the pickling pipeline (14) is fixedly provided with a plurality of nozzles, and the pickling water curtain (18b) is located below the pickling pipeline (14).

5. The aquaculture heat recovery system according to claim 1, characterized in that: The ventilation window (24) comprises a valve baffle (241) and an air guide plate (242); the valve baffle (241) is located inside a window frame of the ventilation window (24) and is rotatably connected to the window frame of the ventilation window (24); and the air guide plate (242) is located at the top of the window frame of the ventilation window (24) and is rotatably connected to the window frame of the ventilation window (24).

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