CN215295302U - Central air conditioning waste heat recovery device - Google Patents

Abstract

The utility model discloses a central air conditioning waste heat recovery device, which comprises a shell, an insulation can is fixedly connected inside the shell, an air pipe is fixedly communicated with one side wall of the shell, one end of the air pipe penetrates through the shell and is fixedly communicated with the insulation can, a heat exchange sheet is fixedly connected inside the insulation can, a plurality of straight pipes and arc pipes are arranged outside the heat exchange sheet, the straight pipes are in threaded connection with the arc pipes, a water pump is fixedly connected with the other side wall of the shell, both ends of the water pump are fixedly communicated with water inlet pipes, one of the water inlet pipes is fixedly communicated with one end of one of the straight pipes, the heat exchanger is arranged in the insulation can to contact with working media outside, the inside can be connected with an external water source through the straight pipes and the arc pipes, thereby heating water, avoiding the waste of resources, the heat exchanger can be disassembled by the connection of the straight pipes and the arc pipes, and can be directly contacted with the inner walls of the pipes during cleaning, the scale in the pipe can be cleaned one by one.

Description

Central air conditioning waste heat recovery device

Technical Field

The utility model belongs to the technical field of the air conditioner is energy-conserving, concretely relates to central air conditioning waste heat recovery device.

Background

The existing hotels mostly adopt a central air-conditioning system and a whole-day hot water supply system, generally, a central air-conditioning water chiller is adopted to provide a cold source, a fuel oil and gas steam boiler or a hot water boiler is adopted to provide a heat source, when the central air-conditioning water chiller runs, the central air-conditioning water chiller conveys continuous cold air to the indoor, meanwhile, heat is brought out through a cooling water system, finally, a large amount of hot air is discharged to the outdoor through a cooling tower, so that the resource waste is caused, the heat exchanger and a sleeve heat exchanger are easy to scale and break, the water outlet temperature of a heat pump water heater can reach 50 to 60 ℃, the water is most prone to scale in the temperature range, if the heat exchanger cannot be cleaned regularly, the heat exchanger can burst in the case of a plate heat exchanger, in the case of the sleeve heat exchanger, the inner pipe of the heat pump water heater can break, so that the whole heat pump water heater loses function, and the whole heat exchanger is mostly of a spiral pipe type structure, when the heat exchanger is cleaned, the inside of the heat exchanger is difficult to clean, stubborn water scales in the inside of the heat exchanger are difficult to dissolve by using a special cleaning solution, even the cleaning solution and the heat exchanger generate chemical reaction, and the heat exchanger is easy to corrode so as to damage the heat exchanger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central air conditioning waste heat recovery device, through placing the heat exchanger in the incubator make its outside and working medium contact, inside accessible straight tube and arc pipe meet with outside water source to this with the water heating, avoid the waste of resource, the mode that is connected through straight tube and arc pipe makes the heat exchanger can dismantle, can directly contact with the inside pipe wall when wasing, can be one by one with intraductal incrustation scale sanitization.

In order to achieve the above object, the utility model provides a following technical scheme: a central air-conditioning waste heat recovery device comprises a shell, wherein an insulation can is fixedly connected inside the shell, an air pipe is fixedly communicated with one side wall of the shell, one end of the air pipe penetrates through the shell and is fixedly communicated with the heat preservation box, the heat-exchanging plate is fixedly connected inside the heat-preserving box, a plurality of straight pipes and arc-shaped pipes are arranged outside the heat-exchanging plate, the straight pipes are in threaded connection with the arc-shaped pipes, the other side wall of the shell is fixedly connected with a water pump, both ends of the water pump are fixedly communicated with a water inlet pipe, one of the water inlet pipes is fixedly communicated with one end of one of the straight pipes, one end of the other straight pipe is fixedly communicated with a water outlet pipe, one end of the water outlet pipe, which is far away from the straight pipe, extends to the outside of the shell, a valve is arranged in the middle of the water outlet pipe, and the water outlet pipe can discharge hot water after heating is finished.

As a further aspect of the present invention: the heat exchanger comprises a heat exchange sheet and is characterized in that a plurality of fixing rods corresponding to the straight pipes are arranged outside the heat exchange sheet, a plurality of fixing bolts are arranged outside the fixing rods, the fixing rods are fixedly connected with the heat exchange sheet through the fixing bolts, and the straight pipes can be fixed through the fixing rods.

As a further aspect of the present invention: one side wall of casing be provided with the corresponding protection casing of water pump, one side of protection casing with one side fixed connection of casing, the protection casing can protect effectively the water pump.

As a further aspect of the present invention: the lower table wall four corners department of casing all is provided with the supporting leg, and is a plurality of the supporting leg with casing fixed connection, it is a plurality of the supporting leg can make the device more stable.

As a further aspect of the present invention: the lower surface wall fixedly connected with of dead lever is a plurality of stoppers, and is a plurality of the stopper with the straight tube is corresponding, and is a plurality of the stopper can be right the straight tube is spacing.

As a further aspect of the present invention: the front part of the heat preservation box is rotatably connected with a box door through a rotating shaft, the outside of the box door is fixedly connected with a handle, and a user can conveniently open the heat preservation box through the box door.

Compared with the prior art, the beneficial effects of the utility model are that: this central air conditioning waste heat recovery device, through arranging the fin in the heat preservation, the waste heat that the outer machine of central air conditioning produced passes through trachea and fin contact, inside accessible straight tube and arc meet with outside water source, with this with the water heating, avoid the waste of resource, the mode that is connected through straight tube and arc makes the heat exchanger can dismantle, can directly contact with the inside pipe wall when wasing, can be one by one with intraductal incrustation scale sanitization, pass through threaded connection between each straight tube and the arc, can guarantee heat exchanger overall structure's stability when using, avoid the incrustation scale to collect up too much and lead to the heat exchanger to damage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a side view of the heat exchanger plate of the present invention.

In the figure: 1. a housing; 2. a heat preservation box; 3. an air tube; 4. a heat exchanger fin; 5. a straight pipe; 6. an arc tube; 7. a water pump; 8. a water inlet pipe; 9. a water outlet pipe; 10. a valve; 11. fixing the rod; 12. fixing the bolt; 13. a protective cover; 14. supporting legs; 15. a limiting block; 16. and (4) a box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a central air conditioner waste heat recovery device comprises a shell 1, wherein supporting legs 14 are arranged at four corners of the lower surface wall of the shell 1, the supporting legs 14 are fixedly connected with the shell 1, the device can be more stable through the supporting legs 14, a protective cover 13 corresponding to a water pump 7 is arranged on one side wall of the shell 1, one side of the protective cover 13 is fixedly connected with one side of the shell 1, the water pump 7 can be effectively protected through the protective cover 13, the device can be more stable through the supporting legs 14, an insulation can 2 is fixedly connected inside the shell 1, the front part of the insulation can 2 is rotatably connected with a box door 16 through a rotating shaft, a handle is fixedly connected outside the box door 16, the box door 16 is convenient for a user to open the box door 2, an air pipe 3 is fixedly communicated with one side wall of the shell 1, one end of the air pipe 3 penetrates through the shell 1 and is fixedly communicated with the insulation can 2, and a heat exchange sheet 4 is fixedly connected inside the insulation can 2, the fixing device comprises a heat exchange sheet 4, a plurality of fixing rods 11 corresponding to straight pipes 5 are arranged outside the heat exchange sheet 4, a plurality of limiting blocks 15 are fixedly connected to the lower surface wall of each fixing rod 11, the limiting blocks 15 correspond to the straight pipes 5, the straight pipes 5 can be limited by the limiting blocks 15, a plurality of fixing bolts 12 are arranged outside the fixing rods 11, the fixing rods 11 are fixedly connected with the heat exchange sheet 4 through the fixing bolts 12, the straight pipes 5 can be fixed by the fixing rods 11, a plurality of straight pipes 5 and arc-shaped pipes 6 are arranged outside the heat exchange sheet 4, the straight pipes 5 are in threaded connection with the arc-shaped pipes 6, a water pump 7 is fixedly connected to the other side wall of the shell 1, water inlet pipes 8 are fixedly communicated with two ends of the water pump 7, one of the water inlet pipes 8 is fixedly communicated with one end of one of the straight pipes 5, one end of the other straight pipe 5 is fixedly communicated with a water outlet pipe 9, and one end of the water outlet pipe 9, which is far away from the straight pipes 5, extends to the outside of the shell 1, the middle part of the water outlet pipe 9 is provided with a valve 10, and the water outlet pipe 9 can discharge the heated hot water.

The utility model discloses a theory of operation: the device is when using, the waste heat that the outer machine of central air conditioning produced gets into insulation can 2 inside effect on heat exchanger fin 4 through trachea 3, water pump 7 is through inlet tube 8 with cold water suction straight tube 5 and arc 6 in, make heat exchanger fin 4 flow by outlet pipe 9 after with water heating under the working medium effect in insulation can 2, when the dirt in straight tube 5 and the arc 6 of needs, open insulation can 2's chamber door 16, then loosen fixing bolt 12 of dead lever 11 outside, take off dead lever 11, then loosen the screw thread and take off straight tube 5 and arc 6, alright realize the washing to straight tube 5 and arc 6, screw up arc 6 and straight tube 5 after the washing is good, rethread fixing bolt 12 can with dead lever 11 is fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a central air conditioning waste heat recovery device, includes casing (1), its characterized in that: the heat preservation box is characterized in that the heat preservation box (2) is fixedly connected to the inside of the shell (1), an air pipe (3) is fixedly communicated with one side wall of the shell (1), one end of the air pipe (3) penetrates through the shell (1) and is fixedly communicated with the heat preservation box (2), a heat exchange plate (4) is fixedly connected to the inside of the heat preservation box (2), a plurality of straight pipes (5) and arc pipes (6) are arranged outside the heat exchange plate (4), the straight pipes (5) are in threaded connection with the arc pipes (6), a water pump (7) is fixedly connected to the other side wall of the shell (1), water inlet pipes (8) are fixedly communicated with the two ends of the water pump (7), one of the water inlet pipes (8) is fixedly communicated with one end of one of the straight pipes (5), the other end of one of the straight pipe (5) is fixedly communicated with a water outlet pipe (9), and one end, far away from the straight pipe (5), extends to the outside of the shell (1) And a valve (10) is arranged in the middle of the water outlet pipe (9).

2. The waste heat recovery device of the central air conditioner as claimed in claim 1, wherein: the heat exchange fin is characterized in that a plurality of fixing rods (11) corresponding to the straight pipes (5) are arranged outside the heat exchange fin (4), a plurality of fixing bolts (12) are arranged outside the fixing rods (11), and the fixing rods (11) are fixedly connected with the heat exchange fin (4) through the fixing bolts (12).

3. The waste heat recovery device of the central air conditioner as claimed in claim 1, wherein: a protective cover (13) corresponding to the water pump (7) is arranged on one side wall of the shell (1), and one side of the protective cover (13) is fixedly connected with one side of the shell (1).

4. The waste heat recovery device of the central air conditioner as claimed in claim 1, wherein: the lower surface wall four corners department of casing (1) all is provided with supporting leg (14), a plurality of supporting leg (14) with casing (1) fixed connection.

5. The waste heat recovery device of the central air conditioner as claimed in claim 2, wherein: the lower surface wall of the fixed rod (11) is fixedly connected with a plurality of limiting blocks (15), and the limiting blocks (15) correspond to the straight pipes (5).

6. The waste heat recovery device of the central air conditioner as claimed in claim 1, wherein: the front part of the heat preservation box (2) is rotatably connected with a box door (16) through a rotating shaft, and the outside of the box door (16) is fixedly connected with a handle.

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