CN209214064U - A heat recovery device for a central air-conditioning main engine room - Google Patents

Abstract

The utility model belongs to the technical field of edible mushroom production equipment, in particular to a heat recovery device of a central air-conditioning main machine room, which comprises a condenser, wherein one side of the condenser is fixedly connected with a first heat source outlet pipe; when the air conditioner refrigerates, the hot water that the condenser came out advances in the pipe gets into plate heat exchanger from the heat source, heat the heat exchange plate, from plate heat exchanger heat source export reentrant condenser afterwards, dispel the heat to the condenser, when needs heat up the new trend, the new trend advances the pipe from the new trend, get into in the plate heat exchanger, the hot water heating's that the process condenser came out heat the back to the new trend, from the new trend exit tube get into the regional that needs to get into in, after through the heat exchange like this, the high temperature water that the condenser came out need not go the cooling tower cooling, and the intensification of the new trend of each region also need not provide other heat sources, the heat has been utilized, thermal waste has been reduced, the cost of cultivating has been reduced.

Description

A heat recovery device for a central air-conditioning main engine room

technical field

The utility model belongs to the technical field of edible fungus production equipment, in particular to a heat recovery device for a central air-conditioning host room.

Background technique

Due to the growth process of edible fungi, different growth cycles require different temperatures. In winter in the north, the weather is relatively cold. During the cultivation process of edible fungi in greenhouses, according to the different growth cycles of edible fungi in each greenhouse, different greenhouses The temperature required in different greenhouses is also different, so in the process of growing edible fungi in greenhouses, there will be situations that need to cool down and heat up at the same time. In order to cool down or heat up the temperature in different greenhouses, people begin to use central air conditioning to Adjust the temperature in the greenhouse. When the temperature in the greenhouse reaches the required temperature, the central air conditioner will stop working. Confirm the number of central air conditioners according to the number of greenhouses. When the central air conditioner is cooling, the condenser will generate heat. In winter, the fresh air needs to be heated before it enters the room. The temperature of the outlet water of the host condenser can reach a maximum of 37 degrees, and the lowest is 30 degrees, while the temperature of the fresh air inlet at the end only needs to be raised to 5 degrees.

Chinese patent (patent number: CN201621070371.8, which discloses a central air-conditioning heat recovery system), which can obtain temperature-controllable hot water through the heat recovery of central air-conditioning components, such as obtaining heat from 45°C to 60°C Water realizes the purpose of rational utilization of waste heat; and, through engineering testing, due to the reasonable control of temperature, the working efficiency of the utility model can be effectively improved, and the improvement range can reach 5% to 15%; and the failure rate is small, and the service life Extended, but there are certain problems.

There are following problems in existing technology:

1. Only air conditioners can be used to cool down. When the central air conditioner is cooling, the condenser will generate heat. The existing cooling tower is used to dissipate heat from the condenser, resulting in a waste of heat. The existing fresh air is heated by electric heating or steam Heating, the energy demand is bigger like this, has increased the cost of cultivating.

2. When the existing heat recovery device is recovering heat, the central air conditioner suspends work, and the condenser also suspends work, which leads to the phenomenon of reflux at the hot water outlet pipe and the fresh air outlet, which affects the efficiency of heat exchange.

Utility model content

In order to solve the problems raised in the above-mentioned background technology. The utility model provides a heat recovery device for a main engine room of a central air conditioner, which has the characteristics of reducing cost and preventing backflow.

In order to achieve the above object, the utility model provides the following technical solutions:

A heat recovery device for a central air conditioner host room, comprising a central air conditioner, a condenser is installed inside the central air conditioner, a first heat source outlet pipe is fixedly connected to one side of the condenser, and one side of the condenser is close to the One side of the first heat source outlet pipe is fixedly connected with a second heat source inlet pipe, one end of the first heat source outlet pipe is fixedly connected with a three-way pipe, and one end of the three-way pipe is fixedly connected with the first heat source inlet pipe, so One end of the inlet pipe of the first heat source is fixedly connected to a plate heat exchanger shell, and a heat exchange plate is installed inside the plate heat exchanger shell, and one side of the plate heat exchanger shell is far away from the first One side of the heat source inlet pipe is fixedly connected with a second heat source outlet pipe, and one side of the plate heat exchanger shell close to the side of the second heat source outlet pipe is fixedly connected with a fresh air inlet pipe, and the plate heat exchanger One side of the housing close to the first heat source inlet pipe is fixedly connected with a fresh air outlet pipe, one end of the first heat source inlet pipe is provided with a water pump, and one end of the fresh air outlet pipe is provided with an air pump.

Further, one end of the outlet pipe of the second heat source passes through the outer casing of the non-return device, and the inner side wall of the outer casing of the non-return device is fixedly connected with a fixing plate on the side away from the shell of the plate heat exchanger. The outer surface of the plate is provided with several first through holes, the inner wall of the outer shell of the non-return device is provided with second through holes on the side close to the shell of the plate heat exchanger, and the side of the fixing plate is close to A fixed rod is fixedly connected to one side of the second through hole, a spring is fixedly connected to the outer wall of the fixed rod, and a baffle is fixedly connected to one end of the spring.

Further, the outlet pipe of the second heat source is fixedly connected with the inlet pipe of the second heat source through the tee pipe.

Further, one end of the fresh air outlet pipe is fixedly connected with the tee pipe.

Further, the number of the heat exchange plates is several, and all of them are fixedly connected with the inner side wall of the shell of the plate heat exchanger.

Further, a gasket is fixedly connected to the inner side wall of the outer casing of the non-return device.

Further, one side of the baffle is attached to the inner side wall of the outer casing of the non-return device, and the area of the baffle is larger than the area of the second through hole.

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

1. When the air conditioner is cooling, the hot water from the condenser enters the plate heat exchanger from the heat source into the pipe, heats the heat exchange plate, and then enters the condenser from the heat source outlet of the plate heat exchanger to dissipate heat from the condenser , when it is necessary to heat up the fresh air, the fresh air enters the pipe from the fresh air and enters the plate heat exchanger. After the heat exchange plate heated by the hot water from the condenser heats the fresh air, it enters the area to be entered from the fresh air outlet pipe After such heat exchange, the high-temperature water from the condenser does not need to be cooled by the cooling tower, and the fresh air in each area does not need to provide other heat sources. The heat is used, the waste of heat is reduced, and the cost of cultivation is reduced. cost.

2. When liquid or gas backflow occurs, the liquid or gas will push the baffle in the housing of the non-return device, and the baffle will block the inlet pipe, thereby preventing the backflow of liquid or gas, effectively preventing backflow and avoiding affect the efficiency of heat transfer.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the rear view of the utility model.

Fig. 3 is a left view of the utility model.

Fig. 4 is an internal view of the outer shell of the non-return device in the present invention.

Fig. 5 is a flowchart of the utility model.

In the figure: 1-condenser, 2-first heat source outlet pipe, 3-tee pipe, 4-first heat source inlet pipe, 5-plate heat exchanger shell, 6-heat exchange plate, 7-second heat source Outlet pipe, 8-Fresh air inlet pipe, 9-Fresh air outlet pipe, 10-Outer shell of non-return device, 11-Sealing gasket, 12-Fixed plate, 13-Fixed rod, 14-Spring, 15-Baffle, 16-No. One through hole, 17-second through hole, 18-second heat source inlet pipe, 19-central air conditioner, 20-water pump, 21-air pump.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-5, the utility model provides the following technical solutions:

A heat recovery device for a central air conditioner host room, comprising a central air conditioner 19, a condenser 1 is installed inside the central air conditioner 19, a first heat source outlet pipe 2 is fixedly connected to one side of the condenser 1, and a first heat source outlet pipe 2 is fixedly connected to one side of the condenser 1 The side close to the first heat source outlet pipe 2 is fixedly connected with the second heat source inlet pipe 18, one end of the first heat source outlet pipe 2 is fixedly connected with a tee pipe 3, and one end of the three-way pipe 3 is fixedly connected with the first heat source inlet pipe 4 , one end of the first heat source inlet pipe 4 is fixedly connected to a plate heat exchanger shell 5, and a heat exchange plate 6 is installed inside the plate heat exchanger shell 5, and one side of the plate heat exchanger shell 5 is far away from the first heat source One side of the inlet pipe 4 is fixedly connected with the second heat source outlet pipe 7, and the side of the plate heat exchanger shell 5 close to the second heat source outlet pipe 7 is fixedly connected with the fresh air inlet pipe 8, and the plate heat exchanger shell One side of 5 is fixedly connected with the fresh air outlet pipe 9 near the side of the first heat source inlet pipe 4, and one end of the first heat source inlet pipe 4 is provided with a water pump 20, and one end of the fresh air outlet pipe 9 is provided with an air pump 21.

In this embodiment: the model of the water pump 20 is GQ56467, and the water pump 20 provides power for the extraction and delivery of hot water.

In this embodiment: the model of the air pump 21 is FCY5015, and the air pump 21 provides power for the extraction and delivery of fresh air.

In this embodiment: when the air conditioner is cooling, the hot water from the condenser 1 enters the three-way pipe 3 from the first heat source outlet pipe 2, and then enters the first heat source inlet pipe 4 from the three-way pipe 3, and a three-way pipe is provided. The pipe 3 can connect multiple first heat source outlet pipes 2, so that the hot water from multiple condensers 1 can enter the first heat source inlet pipe 4 from the three-way pipe 3, thereby entering the plate heat exchanger shell 5, and then into the heat exchange plate 6, the hot water will heat the heat exchange plate 6, and the hot water will become cold, and then enter the second heat source outlet pipe 7 from the plate heat exchanger shell 5, and then from the second heat source outlet pipe 7 The second heat source outlet pipe 7 enters the second heat source inlet pipe 18, and then enters the condenser 1 to dissipate heat from the condenser 1. When the fresh air is heated up, the fresh air enters the plate heat exchanger shell 5 from the fresh air inlet pipe 8, Then enter in the heat exchange plate 6, because the hot water coming out from the condenser 1 has heated the heat exchange plate 6, so the heat exchange plate 6 can heat the fresh air, after the heat exchange plate 6 heats the fresh air, then From the fresh air outlet pipe 9 into the area that needs to be entered, the water pump 20 provides power for the extraction and delivery of hot water, and the air pump 21 provides power for the extraction and delivery of fresh air, because the highest water temperature of the condenser 1 can reach 37 degrees, and the lowest is 30 degrees, and the fresh air inlet temperature at the end only needs to be raised to 5 degrees, so the plate heat exchanger can satisfy the heating of the fresh air. After such heat exchange, the high-temperature water coming out of the condenser 1 does not need to be cooled by the cooling tower. The heating of the fresh air in each area does not need to provide other heat sources, the heat is utilized, the waste of heat is reduced, and the cost of production is reduced at the same time.

Specifically, one end of the second heat source outlet pipe 7 runs through the outer casing 10 of the non-return device, and the inner side wall of the outer casing 10 of the non-return device is fixedly connected to the side of the shell 5 of the plate heat exchanger with a fixed plate 12, and the fixed plate 12 Several first through holes 16 are opened on the outer surface, second through holes 17 are opened on the inner side wall of the outer shell 10 of the non-return device close to the shell 5 of the plate heat exchanger, and the side of the fixing plate 12 is close to the second through holes. One side of the hole 17 is fixedly connected with a fixed rod 13, the outer wall of the fixed rod 13 is fixedly connected with a spring 14, and one end of the spring 14 is fixedly connected with a baffle 15; gas or liquid enters the outer shell of the non-return device through the second through hole 17 At 10 o'clock, the baffle plate 15 will be pushed away, and the spring 14 will be deformed at the same time. The fixed rod 13 can fix the spring 14, and the fixed plate 12 can fix the fixed rod 13. When gas or liquid backflow occurs, the gas or liquid passes through the second The through hole 17 enters the outer shell 10 of the non-return device. Because of backflow, the baffle plate 15 will not deform the spring 14, and the spring 14 will withstand the baffle plate 15, so that the baffle plate 15 blocks the second through hole 17, and the gas Or the liquid will not flow out, avoiding the backflow of gas or liquid.

Specifically, the second heat source outlet pipe 7 is fixedly connected with the second heat source inlet pipe 18 through the three-way pipe 3; the second heat source outlet pipe 7 is fixedly connected with the second heat source inlet pipe 18 through the three-way pipe 3, so that the cooled heat Water enters the tee pipe 3 from the second heat source outlet pipe 7, and then enters multiple second heat source inlet pipes 18 through the tee pipe 3, thereby entering multiple condensers 1 to dissipate heat from the multiple condensers 1.

Specifically, one end of the fresh air outlet pipe 9 is fixedly connected with a three-way pipe 3; by setting the three-way pipe 3 at one end of the fresh air outlet pipe 9, the heated fresh air can enter multiple regional pipes that need to enter.

Specifically, there are several heat exchange plates 6, all of which are fixedly connected to the inner sidewall of the plate heat exchanger shell 5; by adding or reducing several heat exchange plates 6, the effect of increasing or reducing the heat exchange area can be achieved. In order to increase or decrease the heat exchange efficiency, several heat exchange plates 6 can be freely designed according to the actual situation.

Specifically, a gasket 11 is fixedly connected to the inner side wall of the outer casing 10 of the non-return device; the gas or liquid entering the outer casing 10 of the non-return device can be prevented from leaking out by providing the gasket 11 .

Specifically, one side of the baffle 15 is attached to the inner side wall of the outer shell 10 of the non-return device, and the area of the baffle 15 is larger than the area of the second through hole 17; The area of the second through hole 17 is large, so the baffle plate 15 can block the gas or liquid flowing back and avoid the gas or liquid from flowing back.

The working principle and application process of the utility model: when the air conditioner is cooling, the hot water from the condenser 1 enters the three-way pipe 3 from the first heat source outlet pipe 2, and then enters the first heat source inlet pipe 4 from the three-way pipe 3 Inside, the three-way pipe 3 can be connected to a plurality of first heat source outlet pipes 2, so that hot water from multiple condensers 1 can enter the first heat source inlet pipe 4 from the three-way pipe 3, thereby entering the plate heat exchanger. In the heat exchanger shell 5, and then into the heat exchange plate 6, the hot water heats the heat exchange plate 6, and the hot water will become cold, and then enter the second heat source outlet pipe 7 from the plate heat exchanger shell 5 , and then enter the second heat source inlet pipe 18 from the second heat source outlet pipe 7, and then enter the condenser 1 to dissipate heat from the condenser 1, and when the fresh air is heated, the fresh air enters the plate heat exchanger shell from the fresh air inlet pipe 8 body 5, and then enters the heat exchange plate 6, after the heat exchange plate 6 heats the fresh air, then enters the area to be entered from the fresh air outlet pipe 9, and the gas or liquid enters the non-return device shell through the second through hole 17 When the body 10, the baffle plate 15 will be pushed away, and the spring 14 will be deformed at the same time, and then flow out of the non-return device outer shell 10 through the first through hole 16, the fixed rod 13 can fix the spring 14, and the fixed plate 12 can fix the fixed rod 13 , when gas or liquid backflow occurs, the gas or liquid enters the outer shell 10 of the non-return device through the second through hole 17, and because of backflow, the baffle 15 will not deform the spring 14, and the spring 14 will withstand the baffle Plate 15, so that the baffle plate 15 blocks the second through hole 17 to avoid backflow, the gasket 11 can prevent the gas or liquid entering the outer shell 10 of the non-return device from leaking out, and the water pump 20 provides power for the extraction and delivery of hot water , The air pump 21 provides power for the extraction and delivery of fresh air.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. A heat recovery device for a central air conditioner host room, comprising a central air conditioner (19), the inside of the central air conditioner (19) is equipped with a condenser (1), and one side of the condenser (1) is fixedly connected with a second A heat source outlet pipe (2), one side of the condenser (1) close to the side of the first heat source outlet pipe (2) is fixedly connected with a second heat source inlet pipe (18), characterized in that: One end of the first heat source outlet pipe (2) is fixedly connected with a three-way pipe (3), and one end of the three-way pipe (3) is fixedly connected with a first heat source inlet pipe (4), and the first heat source inlet pipe (4) ) is fixedly connected with a plate heat exchanger shell (5), and a heat exchange plate (6) is installed inside the plate heat exchanger shell (5), and the plate heat exchanger shell (5) One side away from the first heat source inlet pipe (4) is fixedly connected with a second heat source outlet pipe (7), and the side of the plate heat exchanger shell (5) is close to the second heat source outlet pipe One side of (7) is fixedly connected with a fresh air inlet pipe (8), and one side of the plate heat exchanger shell (5) close to the side of the first heat source inlet pipe (4) is fixedly connected with a fresh air outlet pipe (9), one end of the first heat source inlet pipe (4) is provided with a water pump (20), one end of the fresh air outlet pipe (9) is provided with an air pump (21), the central air conditioner (19), the Both the water pump (20) and the air pump (21) are electrically connected to an external power supply. 2. A heat recovery device for a central air-conditioning main engine room according to claim 1, characterized in that: one end of the second heat source outlet pipe (7) runs through the outer casing (10) of the non-return device, and the non-return device A fixed plate (12) is fixedly connected to the inner side wall of the outer shell (10) away from the plate heat exchanger shell (5), and the outer surface of the fixed plate (12) is provided with several first through holes (16), the inner side wall of the outer casing (10) of the non-return device is provided with a second through hole (17) on the side close to the plate heat exchanger casing (5), and the fixing plate (12) One side is fixedly connected with fixed rod (13) near the side of described second through hole (17), and the outer wall of described fixed rod (13) is fixedly connected with spring (14), and one end of described spring (14) Fixedly connected with baffle plate (15). 3. A heat recovery device for a central air-conditioning main engine room according to claim 1, characterized in that: the second heat source outlet pipe (7) passes through the three-way pipe (3) and the second heat source inlet pipe (18) fixed connection. 4. A heat recovery device for a central air-conditioning main engine room according to claim 1, characterized in that: one end of the fresh air outlet pipe (9) is fixedly connected with the three-way pipe (3). 5. A heat recovery device for a central air-conditioning main engine room according to claim 1, characterized in that: the number of the heat exchange plates (6) is several, and all of them are fixedly connected to the shell of the plate heat exchanger (5) inner wall. 6. A heat recovery device for a central air-conditioning main engine room according to claim 2, characterized in that: a gasket (11) is fixedly connected to the inner side wall of the outer casing (10) of the non-return device. 7. A heat recovery device for a central air-conditioning main engine room according to claim 2, characterized in that: one side of the baffle (15) is attached to the inner wall of the outer casing (10) of the non-return device, and The area of the baffle (15) is larger than the area of the second through hole (17).