CN217503731U - Waste heat recovery device for heat supply - Google Patents
Waste heat recovery device for heat supply Download PDFInfo
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- CN217503731U CN217503731U CN202221562483.0U CN202221562483U CN217503731U CN 217503731 U CN217503731 U CN 217503731U CN 202221562483 U CN202221562483 U CN 202221562483U CN 217503731 U CN217503731 U CN 217503731U
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- heat
- pipe
- heat absorption
- discharging fume
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Abstract
The utility model relates to a waste heat recovery equipment technical field discloses a waste heat recovery device is used in heating power supply, including the pipe of discharging fume, the heat-absorbing pipe that the intraductal fixedly connected with multiunit of discharging fume evenly set up, the first switching pipe of air inlet fixedly connected with of heat-absorbing pipe, the end of giving vent to anger of heat-absorbing pipe is served and is connected with the second switching pipe, fixedly connected with mount on the outer wall of the pipe of discharging fume, the mount opposite side is connected with the heat-absorbing bucket, still includes: a heat exchange assembly; the heat absorption subassembly, the utility model discloses at first control the temperature of the coolant liquid in the heat absorption pipe through heat exchange assembly to increase heat absorption pipe and the intraductal temperature gradient of discharging fume, thereby hoisting device retrieves the intraductal thermal rate of recovery of discharging fume, later retrieves the heat in the heat exchange assembly through the heat absorption subassembly, the utility model discloses an increase the temperature gradient between pipe and the heat absorption pipe of discharging fume, through temperature gradient big more, heat transfer rate principle fast more increases the device to the interior thermal recycle ratio of flue gas.
Description
Technical Field
The utility model relates to a waste heat recovery equipment technical field specifically is a waste heat recovery device is used in heating power supply.
Background
From the energy statistics perspective, heating power refers to hot water, overheated or saturated steam that can provide the heat source, and heating power waste heat refers to the heat energy that can be utilized that releases in the production process, mainly has high temperature waste gas etc. waste heat utilization can produce steam through exhaust-heat boiler, promotes the steam turbine and does mechanical work or electricity generation, also can be used to heat or produce hot water, in industrial processing production process, often uses heating power waste heat recovery device to carry out waste heat recovery and purification treatment to industrial waste gas.
Most of the existing thermal waste heat recovery devices are characterized in that gas is introduced into a pipe with a shape of a circle, the pipe with the shape of the circle exchanges heat with cold water, so that the water is heated, heat in waste gas is recycled, and when the cold water exchanges heat with the pipe with the shape of the circle, the cold water is static, so that the cold water cannot be completely contacted with the pipe with the shape of the circle, the efficiency of waste heat recovery is low, and the effect of waste heat recovery is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste heat recovery device is used in heating power supply to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a waste heat recovery device for heating power supply, is including the pipe of discharging fume, the intraductal fixedly connected with multiunit heat absorption pipe that evenly sets up of discharging fume, and the first switching pipe of air inlet end fixedly connected with of heat absorption pipe, the end of giving vent to anger of heat absorption pipe is connected with the second switching pipe, fixedly connected with mount on the outer wall of the pipe of discharging fume, the mount opposite side is connected with the heat absorption bucket, still includes: the heat exchange component is connected in the heat absorption barrel and used for controlling the temperature of the cooling liquid in the heat absorption pipe so as to increase the temperature gradient in the heat absorption pipe and the smoke exhaust pipe; and the heat absorption component is connected in the heat absorption barrel and used for recovering heat in the heat exchange component.
As a further aspect of the present invention: the outer wall of the heat absorption pipe is fixedly connected with a plurality of groups of heat conduction blocks which are uniformly arranged.
As a further aspect of the present invention: the heat exchange assembly comprises a first conduit fixedly connected to the liquid outlet end of the heat absorption barrel, the other end of the first conduit is connected with one end of a capillary tube, the other end of the capillary tube is connected to the liquid inlet end of a first adapter tube, a fixed block is connected to the outer wall of the smoke exhaust tube, a compressor is connected to the fixed block, the air outlet end of a second adapter tube is connected to the air inlet end of the compressor, the liquid outlet end of the compressor is connected with a second conduit, and the other end of the second conduit is connected to the liquid inlet end of the heat absorption barrel.
As a further aspect of the present invention: the heat absorption assembly comprises two groups of partition plates arranged in the heat absorption barrel, a heating chamber is arranged between the partition plates, tapping chambers are arranged on two sides of the partition plates, and radiating pipes fixedly connected between the two groups of partition plates are arranged between the partition plates.
As a further aspect of the present invention: a water filling port is arranged on one side of the heat absorption barrel, a water outlet is arranged on one side of the water filling port, and valves are arranged on the water filling port and the water outlet.
As a further aspect of the present invention: a first temperature sensor is arranged in the smoke exhaust pipe, and a second temperature sensor is arranged in the heating chamber.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at first control the temperature of the coolant liquid in the heat absorption pipe through heat exchange assembly to increase heat absorption pipe and the intraductal temperature gradient of discharging fume, thereby hoisting device retrieves the heat in the heat exchange assembly through the heat absorption assembly later to the intraductal thermal rate of recovering of discharging fume, the utility model discloses an increase the temperature gradient between pipe and the heat absorption pipe of discharging fume, it is big more through temperature gradient, the faster principle of heat transfer rate, increase the device to thermal recycle ratio in the flue gas.
Drawings
Fig. 1 is a schematic structural diagram of a waste heat recovery device for heat supply in the present invention.
Fig. 2 is a front view of a waste heat recovery device for heat supply of the present invention.
Fig. 3 is a cross-sectional view of a waste heat recovery device for heat supply of the present invention.
Fig. 4 is a sectional view of the waste heat recovery device for heat supply of the present invention.
In the figure: 1-smoke exhaust pipe, 2-heat absorption pipe, 3-heat conduction block, 4-first adapter pipe, 5-second adapter pipe, 6-fixing frame, 7-heat absorption barrel, 8-first conduit, 9-capillary tube, 10-fixing block, 11-compressor, 12-connecting pipe, 13-tapping chamber, 14-heating chamber, 15-radiating pipe, 16-water injection port, 17-water discharge port and 18-valve.
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 ~ 4, in the embodiment of the utility model, a waste heat recovery device for heating power supply, including discharging fume pipe 1, the heat absorption pipe 2 that fixedly connected with multiunit evenly set up in discharging fume pipe 1, the first switching pipe 4 of the air inlet fixedly connected with of heat absorption pipe 2, the end of giving vent to anger of heat absorption pipe 2 is served and is connected with second switching pipe 5, fixedly connected with mount 6 on the pipe 1 outer wall of discharging fume, 6 opposite sides of mount are connected with heat absorption bucket 7, still include: the heat exchange component is connected in the heat absorption barrel 7 and used for controlling the temperature of the cooling liquid in the heat absorption pipe 2 so as to increase the temperature gradient in the heat absorption pipe 2 and the smoke exhaust pipe 1; and connect and be used for carrying out the heat absorption subassembly of retrieving to the heat in the heat exchange assembly in the heat absorption bucket 7, the utility model discloses at first control the temperature of the coolant liquid in the heat absorption pipe 2 through heat exchange assembly to increase heat absorption pipe 2 and the temperature gradient in the pipe 1 of discharging fume, thereby hoisting device retrieves through the heat absorption subassembly heat in to the pipe 1 rate of recovery of discharging fume, later.
In a condition of this embodiment, please refer to fig. 1-4, the heat conduction block 3 that the even setting of fixedly connected with multiunit on the 2 outer walls of heat absorption pipe, the utility model discloses a thermal absorption rate in the pipe 1 of discharging fume is accelerated in the setting of heat conduction block 3.
In one aspect of this embodiment, please refer to fig. 1 to 4, the heat exchange assembly includes a first conduit 8 fixedly connected to a liquid outlet end of a heat absorption barrel 7, the other end of the first conduit 8 is connected to one end of a capillary tube 9, the other end of the capillary tube 9 is connected to a liquid inlet end of a first adapter tube 4, an outer wall of the smoke exhaust tube 1 is connected to a fixed block 10, the fixed block 10 is connected to a compressor 11, a gas outlet end of a second adapter tube 5 is connected to a gas inlet end of the compressor 11, a liquid outlet end of the compressor 11 is connected to a second conduit 12, the other end of the second conduit 12 is connected to a liquid inlet end of the heat absorption barrel 7, the heat exchange assembly first heats low-temperature refrigerant gas in the heat absorption tube 2 through smoke in the smoke exhaust tube 1, the heated refrigerant gas flows into the compressor 11 along the second adapter tube 5, so as to compress the refrigerant gas, high-temperature refrigerant liquid is formed, the high-temperature refrigerant liquid flows into the heat absorption assembly for heat dissipation, the normal-temperature refrigerant liquid after heat dissipation flows into the capillary tube 9, the diameter of the capillary tube 9 is small, so that the flow velocity of the refrigerant liquid in the capillary tube 9 is increased, the pressure is increased, then when the normal-temperature refrigerant liquid enters the heat absorption tube 2 through the capillary tube 9, the normal-temperature refrigerant enters the low flow velocity from the high flow velocity, a large pressure drop is generated, the boiling point of the refrigerant is reduced by the large pressure drop, evaporation and heat absorption are started, and low-temperature refrigerant steam is generated.
In one aspect of this embodiment, referring to fig. 1-4, the heat absorbing assembly includes two partitions disposed in the heat absorbing barrel 7, a heating chamber 14 disposed between the partitions, a tapping chamber 13 disposed on two sides of the partitions, a radiating pipe 15 fixedly connected between the two groups of partition boards is arranged between the partition boards, a water filling port 16 is arranged at one side of the heat absorption barrel 7, a water outlet 17 is arranged at one side of the water filling port 16, the water injection port 16 and the water discharge port 17 are provided with valves 18, the heat absorption component divides and guides the high-temperature coolant injected into the heat absorption barrel 7 through the dividing chamber 13, thereby flowing into the radiating pipe, and heating the water body in the heating chamber 14 through the radiating pipe 15, thereby transferring the heat absorbed in the smoke exhaust pipe 1 to the water body, and the device injects cold water into the heating chamber 14 through the arrangement of the water injection port 16, and then discharges the hot water through the water discharge port 17.
In a situation of this embodiment, please refer to fig. 1 to 4, a first temperature sensor is disposed in the smoke exhaust pipe 1, a second temperature sensor is disposed in the heating chamber 14, the device senses the temperature in the smoke exhaust pipe 1 through the first temperature sensor, and monitors the temperature of the water in the heating chamber 14 through the second temperature sensor.
The utility model discloses a theory of operation is: the utility model discloses at first heat the low temperature refrigerant gas in the heat absorption pipe 2 through the flue gas in the pipe 1 of discharging fume, refrigerant gas after the heating flows into compressor 11 along second adapter tube 5, thereby compress refrigerant gas, form high temperature refrigerant liquid, high temperature refrigerant liquid flows into shunting room 13, and divide through shunting room 13 and lead the high temperature coolant of pouring into in the heat absorption bucket 7, thereby flow into in the heat dissipation pipe, and heat the water in heating chamber 14 through cooling tube 15, thereby the heat transfer that absorbs in the pipe 1 of discharging fume is to the water in, and the device pours into cold water into heating chamber 14 through the setting of water filling port 16, later discharge hot water through outlet 17, normal atmospheric temperature refrigerant liquid after the heat dissipation flows into in capillary 9, because capillary 9 diameter is less, therefore the refrigerant liquid velocity of flow increases in capillary 9, the pressure is increased, then when the normal temperature refrigerant liquid enters the heat absorption pipe 2 through the capillary tube 9, the normal temperature refrigerant enters the low flow velocity from the high flow velocity, and generates a large pressure drop, the large pressure drop enables the boiling point of the refrigerant to be reduced and the refrigerant starts to evaporate and absorb heat, low temperature refrigerant steam is generated and flows into the heat absorption pipe 2, and therefore the heat in the smoke exhaust pipe 1 is recycled.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 waste heat recovery device for heating power supply, is including discharging fume the pipe, its characterized in that, the intraductal fixedly connected with multiunit heat absorption pipe that evenly sets up of discharging fume, and the first switching pipe of air inlet fixedly connected with of heat absorption pipe is served and is connected with the second switching pipe in the giving vent to anger of heat absorption pipe, fixedly connected with mount on the outer wall of the pipe of discharging fume, the mount opposite side is connected with the bucket that absorbs heat, still includes: the heat exchange component is connected in the heat absorption barrel and used for controlling the temperature of the cooling liquid in the heat absorption pipe so as to increase the temperature gradient in the heat absorption pipe and the smoke exhaust pipe; and the heat absorption component is connected in the heat absorption barrel and used for recovering heat in the heat exchange component.
2. The waste heat recovery device for heat supply of claim 1, wherein a plurality of groups of uniformly arranged heat conducting blocks are fixedly connected to the outer wall of the heat absorbing pipe.
3. The waste heat recovery device for heat supply according to claim 1, wherein the heat exchange assembly comprises a first conduit fixedly connected to the liquid outlet end of the heat absorption barrel, the other end of the first conduit is connected with one end of a capillary tube, the other end of the capillary tube is connected to the liquid inlet end of a first adapter tube, the outer wall of the smoke exhaust tube is connected with a fixed block, the fixed block is connected with a compressor, the gas outlet end of a second adapter tube is connected to the gas inlet end of the compressor, the liquid outlet end of the compressor is connected with a second conduit, and the other end of the second conduit is connected to the liquid inlet end of the heat absorption barrel.
4. The heat recovery device of claim 1, wherein the heat absorbing assembly comprises two sets of partition plates disposed in the heat absorbing barrel, a heating chamber is disposed between the partition plates, tapping chambers are disposed at two sides of the partition plates, and a heat dissipating pipe fixedly connected between the two sets of partition plates is disposed between the partition plates.
5. The waste heat recovery device for heat supply according to claim 1, wherein a water filling port is provided at one side of the heat absorption barrel, a water discharge port is provided at one side of the water filling port, and valves are provided at the water filling port and the water discharge port.
6. The waste heat recovery device for heat supply of claim 1, wherein a first temperature sensor is disposed in the smoke exhaust pipe, and a second temperature sensor is disposed in the heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221562483.0U CN217503731U (en) | 2022-06-22 | 2022-06-22 | Waste heat recovery device for heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221562483.0U CN217503731U (en) | 2022-06-22 | 2022-06-22 | Waste heat recovery device for heat supply |
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| Publication Number | Publication Date |
|---|---|
| CN217503731U true CN217503731U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221562483.0U Active CN217503731U (en) | 2022-06-22 | 2022-06-22 | Waste heat recovery device for heat supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770465A (en) * | 2022-12-22 | 2023-03-10 | 南京华电节能环保股份有限公司 | Flue gas purification type waste heat recoverer |
-
2022
- 2022-06-22 CN CN202221562483.0U patent/CN217503731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770465A (en) * | 2022-12-22 | 2023-03-10 | 南京华电节能环保股份有限公司 | Flue gas purification type waste heat recoverer |
| CN115770465B (en) * | 2022-12-22 | 2023-07-18 | 南京华电节能环保股份有限公司 | Flue gas purification type waste heat recoverer |
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