Device for recovering waste heat of evaporative condenser and heating tap water by using waste heat

Abstract

The utility model discloses a device for recovering waste heat of an evaporative condenser and heating tap water by utilizing the waste heat. The device comprises a condenser shell, the water storage tank is arranged at the bottom in the condenser shell; the coil pipe is arranged in the condenser shell and located on the upper portion of the water storage tank, and at least one spraying unit is arranged on the upper portion of the coil pipe; at least one water collector is arranged between the reservoir and the coil pipe, and water in the water collector penetrates through the reservoir through a first pipeline and is led to a water tank for malting; the circulating water pump is arranged on one side of the condenser shell; and the fan is arranged at the top of the condenser shell. The evaporative condenser can solve the problem that energy is wasted due to the fact that an existing evaporative condenser can generate a large amount of heat in the production process and the heat is usually directly discharged into the atmosphere.

Description

Technical Field

[0001] The utility model relates to the technical field of large-scale ammonia refrigeration systems, in particular to a device for recovering waste heat from an evaporative condenser and heating tap water using the waste heat. Background Art

[0002] Currently from March to May, the municipal tap water temperature is about 10-12 degrees, and the malting process requires a water temperature of about 16 degrees. The water needs to be heated, and a steam plate heat exchanger is usually used to heat the tap water, which is relatively costly.

[0003] With the continuous rise in energy costs and the enhancement of environmental protection awareness, waste heat recovery and utilization in industrial production processes have received more and more attention. Evaporative condensers generate a lot of heat during operation. If this heat can be effectively recovered, it can not only reduce energy consumption, but also reduce the operating costs of enterprises. In order to effectively discharge waste heat from the evaporative condenser and reduce costs, the heat discharged from the evaporative condenser is used to heat tap water to meet the requirements of the malting process and reduce steam consumption. The evaporative condenser is cooled and the tap water is heated at the same time. Therefore, an evaporative condenser waste heat recovery device is designed to meet current usage needs. Utility Model Content

[0004] The utility model provides a device for recovering waste heat from an evaporative condenser and heating tap water using the waste heat, which can solve the problem that a large amount of heat is generated during the production process of the existing evaporative condenser, and the heat is usually directly discharged into the atmosphere, resulting in a waste of energy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for recovering waste heat from an evaporative condenser and heating tap water using waste heat, comprising a condenser shell; a water reservoir, which is arranged at the bottom of the condenser shell; a coil, which is arranged in the condenser shell and located above the water reservoir, and at least one group of spray units is arranged on the upper part of the coil; at least one water collector is arranged between the water reservoir and the coil, and the water in the water collector passes through the water reservoir through a first pipe to reach a malting water pool; a circulating water pump, which is arranged on one side of the condenser shell, the first end of the circulating water pump is connected to the water reservoir, and the second end of the circulating water pump is connected to the spray unit; at least one fan, which is arranged on the top of the condenser shell. The device heats the tap water while cooling the condenser.

[0006] Preferably, the spray unit comprises a horizontally arranged water pipe, a plurality of nozzles are arranged at intervals along the length direction at the bottom of the water pipe, the nozzles are used to spray water so that the water is evenly dispersed to various parts of the coil to exchange heat with the coil and take away heat.

[0007] Preferably, a first control valve is provided on the first pipeline at the bottom of the condenser shell, and the first control valve is used to adjust the flow of warm water to the malting water pool.

[0008] Preferably, a second pipe connected to the water reservoir is provided on the lower side of the condenser shell, a second control valve is provided on the second pipe, and the end of the second pipe leads to a sewage tank. When the equipment is cleaned, the second pipe and the second control valve discharge the sewage into the sewage tank.

[0009] Preferably, a water inlet pipe connected to the water reservoir is provided on the side of the condenser shell, has a simple structure, and is used for replenishing water.

[0010] Preferably, the first end of the water inlet pipe is provided with a float valve in the water reservoir, and automatic water replenishment control is performed through the float valve. The second end of the water inlet pipe is provided with a third control valve, and the third control valve is used to adjust the water inlet flow rate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The heat discharged from the condenser is transferred to the tap water, so that the temperature of the tap water rises after passing through the condenser, thereby reducing energy consumption and costs and improving the economic efficiency of production. This waste heat recovery and utilization method can not only meet the water temperature requirements of the malting process, but also significantly reduce production costs and improve energy utilization efficiency. It can solve the problem that the existing evaporative condenser generates a lot of heat during the production process, and this heat is usually directly discharged into the atmosphere, resulting in energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the spray unit of the utility model.

[0015] Reference numerals:

[0016] 1. Condenser shell, 2. Water reservoir, 3. Coil, 4. Spray unit, 41. Water pipe, 42. Nozzle, 5. Water collector, 6. First pipeline, 7. Malting pool, 8. Circulating water pump, 9. Fan, 10. First control valve, 11. Second pipeline, 12. Second control valve, 13. Water inlet pipeline, 14. Float valve, 15. Third control valve, 16. Sewage pool. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0018] like Figure 1-2 As shown, the utility model provides the following technical solutions to solve the problem that a large amount of heat is generated in the production process of the existing evaporative condenser, and the heat is usually directly discharged into the atmosphere, resulting in a waste of energy: an evaporative condenser waste heat recovery and waste heat heating tap water device, comprising a condenser shell 1; a water reservoir 2, which is arranged at the bottom of the condenser shell 1, and a water container located at the bottom of the condenser shell is used to collect and store circulating water; a coil 3, which is arranged in the condenser shell 1 and located at the upper part of the water reservoir 2, and at least one group of spray units 4 is arranged on the upper part of the coil 3, Used for cooling the coil 3; at least one water collector 5 is arranged between the water reservoir 2 and the coil 3, used for collecting spray water, the water in the water collector 5 passes through the water reservoir 2 through the first pipe 6 to the malting water pool 7, the malting water pool 7 is used to receive water treated by the recovery system; a circulating water pump 8 is arranged on one side of the condenser shell 1, the first end of the circulating water pump 8 is connected to the water reservoir 2, and the second end of the circulating water pump 8 is connected to the spray unit 4; at least one fan 9, the fan 9 is arranged on the top of the condenser shell 1, and the fan 9 is used to enhance air flow.

[0019] In this embodiment, if Figure 2 As shown, the spray unit 4 includes a horizontally arranged water pipe 41, and a plurality of nozzles 42 are arranged at intervals along the length direction at the bottom of the water pipe 41. The nozzles 42 are used to spray water so that the water is evenly dispersed to various parts of the coil to exchange heat with the coil and take away heat.

[0020] In this embodiment, if Figure 1 As shown, a first control valve 10 is provided on the first pipeline 6 at the bottom of the condenser shell 1 , and the first control valve 10 is used to adjust the flow of warm water to the malting water pool 7 .

[0021] In this embodiment, if Figure 1 As shown, a second pipe 11 connected to the water reservoir 2 is provided on the lower side of the condenser shell 1, and a second control valve 12 is provided on the second pipe 11. The end of the second pipe 11 leads to a sewage tank 16. When the equipment is cleaned, the second pipe 11 and the second control valve 12 discharge the sewage into the sewage tank 16.

[0022] In this embodiment, if Figure 1 As shown, a water inlet pipe 13 connected to the water reservoir 2 is provided on the side of the condenser shell 1, which has a simple structure and is used for replenishing water.

[0023] In this embodiment, if Figure 1As shown, the first end of the water inlet pipe 13 is located in the water reservoir 2 and is provided with a float valve 14, through which automatic water replenishment control is performed, and the second end of the water inlet pipe 13 is provided with a third control valve 15, which is used to adjust the water inlet flow rate.

[0024] In this embodiment, if Figure 1 As shown, the third control valve 15 is opened, the water reservoir 2 is automatically replenished through the float valve 14, the fan 9 is running, the circulating water pump 8 is running, the water flow of the water reservoir 2 enters the water pipe 41, the nozzle 42 sprays the water evenly to various places on the surface of the coil 3, the sprayed water flow is concentrated in the water collector 5, and is transported to the malting water pool 7 through the first pipeline 6 and the first control valve 10.

[0025] When the device is to be cleaned, the third control valve 15 is closed, the second control valve 12 is opened, and the water in the water reservoir 2 flows into the sewage pool 16 .

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A device for recovering waste heat from an evaporative condenser and heating tap water using waste heat, characterized in that: include: Condenser housing (1); A water reservoir (2) arranged at the bottom of the condenser shell (1); A coil (3) is arranged in the condenser shell (1) and located above the water reservoir (2), and at least one group of spray units (4) is arranged above the coil (3); At least one water collector (5) is arranged between the water reservoir (2) and the coil (3), and the water in the water collector (5) passes through the water reservoir (2) through a first pipe (6) and leads to a malting water pool (7); a circulating water pump (8), which is arranged on one side of the condenser shell (1), wherein a first end of the circulating water pump (8) is connected to the water reservoir (2), and a second end of the circulating water pump (8) is connected to the spray unit (4); At least one fan (9), the fan (9) being arranged on the top of the condenser shell (1).

2. The device for recovering waste heat from an evaporative condenser and heating tap water using waste heat according to claim 1, characterized in that: The spray unit (4) comprises a horizontally arranged water pipe (41), and a plurality of spray heads (42) are arranged at intervals along the length direction at the bottom of the water pipe (41).

3. The device for recovering waste heat from an evaporative condenser and heating tap water using waste heat according to claim 1, characterized in that: A first control valve (10) is provided on the first pipeline (6) at the bottom of the condenser shell (1).

4. The device for recovering waste heat from an evaporative condenser and heating tap water using waste heat according to claim 1, characterized in that: A second pipe (11) connected to the water reservoir (2) is provided on the lower side of the condenser shell (1), a second control valve (12) is provided on the second pipe (11), and an end of the second pipe (11) leads to a sewage tank (16).

5. The device for recovering waste heat from an evaporative condenser and heating tap water using waste heat according to claim 1, characterized in that: A water inlet pipe (13) connected to the water reservoir (2) is provided on the side of the condenser shell (1).

6. The device for recovering waste heat from an evaporative condenser and heating tap water using waste heat according to claim 5, characterized in that: The first end of the water inlet pipe (13) is located in the water reservoir (2) and is provided with a float valve (14), and the second end of the water inlet pipe (13) is provided with a third control valve (15).

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