CN212870229U - Boiler waste heat recovery thermodynamic cycle device - Google Patents
Boiler waste heat recovery thermodynamic cycle device Download PDFInfo
- Publication number
- CN212870229U CN212870229U CN202020808795.XU CN202020808795U CN212870229U CN 212870229 U CN212870229 U CN 212870229U CN 202020808795 U CN202020808795 U CN 202020808795U CN 212870229 U CN212870229 U CN 212870229U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchange
- pipeline
- heat recovery
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a boiler waste heat recovery thermodynamic cycle device, wherein, including heat recovery coil pipe, storage water tank, heat storage water tank, condenser and heat exchange device, the water inlet of heat recovery coil pipe pass through cold water pipeline with the storage water tank intercommunication, the last circulating pump that is equipped with of cold water pipeline, the delivery port of heat recovery coil pipe with heat storage water tank intercommunication, the import of condenser with heat storage water tank connects, the export of condenser with the storage water tank intercommunication, heat storage water tank's hot water export pass through the pipeline with heat exchange device's first access connection, heat exchange device's first export pass through the pipeline with the storage water tank intercommunication, heat exchange device's second import with the storage water tank intercommunication, heat exchange device's second export output preheating water. The utility model discloses when the used heat of recovery can provide the required heat energy of life, can also play the effect that reduces the boiler energy consumption, energy-conserving effect is better, and economic benefits is higher.
Description
Technical Field
The utility model relates to an exhaust heat recovery technical field, more specifically relates to a boiler waste heat recovery thermodynamic cycle device.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The steam boiler heats water in the boiler barrel by burning combustible materials, hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy by a steam power device, or the mechanical energy is converted into electric energy by a generator.
Waste heat recovery device among current boiler system generally comprises cold water pipeline, the waste heat pipeline, the coil pipe, hot water pipeline and storage water tank, the coil pipe is arranged in the passageway of waste heat pipeline, cold water pipeline and hot water pipeline connect respectively on the water inlet and the delivery port of coil pipe, the other end and the storage water tank of hot water pipeline are connected, during the use, cold water that is carried to the coil pipe through the cold water pipeline carries out quick heat transfer through waste heat pipeline and high temperature flue gas, make the cold water in the coil pipe heat up into hot water fast, hot water is carried to the storage water tank through the hot water pipeline and is stored, hot water in this storage water tank is as domestic water. Although the existing waste heat recovery device can meet the requirement of certain waste heat recovery, the existing waste heat recovery device has the defects of poor associativity with a boiler and untight associativity, can only provide heat energy required by people in life, cannot play a role in reducing the energy consumption of the boiler, cannot realize thermodynamic cycle to fully utilize the waste heat of the boiler, and has poor waste heat recovery effect, poor energy-saving effect and low economic benefit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the associativity of current waste heat recovery device and boiler relatively poor, the existence combines inseparably, can not play the effect that reduces the boiler energy consumption, and the relatively poor shortcoming of energy-conserving effect provides a boiler waste heat recovery thermodynamic cycle device. The utility model discloses when the used heat of recovery can provide the required heat energy of life, can also preheat the water of input boiler, play the effect that reduces the boiler energy consumption, energy-conserving effect is better, and economic benefits is higher.
In order to solve the technical problem, the utility model discloses a technical scheme is: a thermal circulation device for recovering boiler waste heat comprises a heat recovery coil pipe, a water storage tank, a heat storage water tank, a condenser and a heat exchange device which are arranged inside a boiler waste heat discharge pipeline, wherein a water inlet of the heat recovery coil pipe is communicated with the water storage tank through a pipeline, a water outlet of the heat recovery coil pipe is communicated with the heat storage water tank through a pipeline, an inlet of the condenser is communicated with a steam outlet of the heat storage water tank through a pipeline, an outlet of the condenser is communicated with the water storage tank through a pipeline, a hot water outlet of the heat storage water tank is connected with a first inlet of the heat exchange device through a pipeline, a first outlet of the heat exchange device is communicated with the water storage tank through a pipeline, a second inlet of the heat exchange device is communicated with the water storage tank, and a second outlet of the heat exchange device is communicated with a water delivery pipe of, and a circulating pump is arranged on a pipeline for communicating the outlet of the heat recovery coil pipe with the water storage tank. In the technical scheme, waste heat in a waste heat discharge pipeline is absorbed through a heat recovery coil pipe, in the process, the waste heat of the waste heat discharge pipeline heats and partially evaporates cold water from a water storage tank in a heat recovery coil pipe, wherein the cold water in the water storage tank is pumped into the heat recovery coil pipe through a circulating pump, water and water vapor heated by the waste heat enter a heat storage water tank, the water vapor enters a condenser from the heat storage water tank for condensation and then enters the water storage tank, a part of hot water in the heat storage water tank can be used as domestic water, and a part of the hot water enters a heat exchange device for heating the water storage tank and enters a heat exchange device, the heated cold water enters a boiler from a water conveying pipe, the hot water in the heat storage water tank is cooled after being heated and then enters the water storage tank, the flow mentioned above is continuously completed for circulation, because the condenser can condense the steam into cold water with, even if the temperature of the water heat-exchanged from the heat exchange device is high, the water in the water storage tank can be kept in a low temperature state after neutralization. In this technical scheme, the hot water after being heated by waste heat frame not only can provide the required heat energy of people's life, can also preheat the cold water that gets into the boiler, plays the effect that reduces the boiler energy consumption, reaches the make full use of to boiler waste heat through thermal cycle, and is energy-conserving effectual, and economic benefits is high.
Further, heat exchange device includes casing and heat exchange coil, heat exchange coil passes through dead lever fixed mounting and is in inside the casing, first import and first export are located the casing both ends, second import and second export are located respectively heat exchange coil's both ends. In this technical scheme, when the cold water in the water storage tank flowed into heat exchange device from the second import, be full of the inside of heat exchange dish, and when the hot water in the heat storage tank flowed into heat exchange device from first import, be full of the outside of heat exchange dish, cold water and hot water carried out the heat exchange among the heat exchange device, the cold water of storage water tank was carried to the boiler in through the second export after preheating in heat exchange device, reach and preheat the effect, play the effect that reduces the boiler energy consumption, the hot water that flows into from the heat storage tank flows out from first export and gets into the storage water tank after the heat exchange cooling.
Furthermore, the outer surface of the heat exchange coil is provided with a plurality of heat conduction copper sheets, and the inner wall of the shell is provided with a spoiler. The spoiler is arranged in the shell, and the heat conducting copper sheets are arranged on the heat exchange coil, so that the heat exchange efficiency of cold water and hot water in the heat exchange device can be improved.
Furthermore, the water inlet of the heat recovery coil pipe is connected with the pipeline through a flange, and the water outlet of the heat recovery coil pipe is connected with the pipeline through a flange.
Further, the shell is a cylindrical structure made of stainless steel.
Furthermore, the connection mode between the heat exchange coil and the heat conduction copper sheet is welding.
Further, the spoiler is a spiral plate. In order to cooperate with the heat exchange coil, the spoiler is provided as a helical plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is closely combined with the boiler and the boiler system through the matching of the heat exchange device, the water storage tank and the hot water storage tank, and can preheat the water entering the boiler, so that the recovered waste heat can not only provide heat energy required by life, but also play a role in reducing the energy consumption of the boiler, and the energy-saving effect is better and the economic benefit is higher;
2. the utility model discloses set up the spoiler in heat exchange device's the casing, set up the heat conduction copper sheet on the heat exchange coil, can improve the heat exchange efficiency of cold water and hot water among the heat exchange device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the heat exchanger of the present invention.
Fig. 3 is a schematic view of the heat exchange coil and the heat conducting copper sheet according to the present invention.
The graphic symbols are illustrated as follows:
1-a waste heat discharge pipeline, 2-a water storage tank, 3-a hot water storage tank, 4-a condenser, 5-a heat exchange device, 501-a shell, 502-a heat exchange coil, 503-a fixing rod, 504-a spoiler, 505-a heat conduction copper sheet, 6-a heat recovery coil, 7-a cold water conveying pipeline, 8-a circulating pump, 9-a hot water conveying pipeline, 10-a steam conveying pipeline, 11-a condensed water conveying pipeline, 12-a hot medium conveying pipeline, 13-a cold medium conveying pipeline, 14-a water inlet pipe and 15-a water conveying pipe.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
First embodiment
Fig. 1 to 3 show a first embodiment of a boiler waste heat recovery thermodynamic cycle device according to the present invention. A thermal circulation device for recovering boiler waste heat comprises a heat recovery coil pipe 6, a water storage tank 2, a hot water storage tank 3, a condenser 4 and a heat exchange device 5, wherein the waste heat discharge pipeline 1 is connected with a waste heat discharge port of a boiler, the heat recovery coil pipe 6 is arranged inside the waste heat discharge pipeline 1, a water inlet of the heat recovery coil pipe 6 is communicated with the water storage tank 2 through a cold water conveying pipeline 7, a circulating pump 8 is arranged on the cold water conveying pipeline 7, a water outlet of the heat recovery coil pipe 6 is communicated with the hot water storage tank 3 through a hot water conveying pipeline 9, a steam inlet of the condenser 4 is connected with a steam outlet of the hot water storage tank 3 through a steam conveying pipeline 10, a condensed water outlet of the condenser 4 is communicated with the water storage tank 2 through a condensed water conveying pipeline 11, a hot water outlet of the hot water storage tank 3 is connected with a heat medium inlet of the heat exchange device 5 through a heat medium, the liquid inlet of the heat exchange device 5 is communicated with the water storage tank 2 through a water inlet pipe 14, and the liquid outlet of the heat exchange device 5 is connected with a water pipe 15 for conveying water to the boiler.
Wherein, heat exchange device 5 includes casing 501, and the inside of casing 501 has heat exchange coil 502 through dead lever 503 fixed mounting, and heat exchange coil 502's surface is connected with a plurality of heat conduction copper sheets 505, is equipped with spoiler 504 on the inner wall of casing 501, and heat exchange coil 502's inlet is linked together with inlet tube 14, and heat exchange coil 502's outlet is linked together with raceway 15.
The working principle and the using flow of the embodiment are as follows: when in use, under the action of a circulating pump 8, cold water in a water storage tank 2 is conveyed into a heat recovery coil 6 in a waste heat discharge pipeline 1 through a cold water conveying pipeline 7, high-temperature flue gas discharged by a boiler transfers heat to the heat recovery coil 6, the cold water in the heat recovery coil 6 absorbs heat to form a mixture of steam and water in the pipe, the mixture is conveyed into a heat storage water tank 3 through a hot water conveying pipeline 9, the steam in the heat storage water tank 3 rises and is conveyed into a condenser 4 through a steam conveying pipe 10 to be condensed into water, the condensed water is conveyed into the water storage tank 2 through a condensed water conveying pipe 11 to be stored, the cold water in the water storage tank 2 is conveyed into a shell 501 of a heat exchange device 5 through a water inlet pipe 14 and then enters the heat exchange coil 502, meanwhile, hot water in the heat storage water tank 3 is conveyed into the shell 501 through a heat medium conveying pipe 12, and the cold water in the heat exchange coil 502 exchanges, the preheating effect is achieved, the arrangement of the flow baffle 504 in the shell 501 and the heat conducting copper sheets 505 on the heat exchange coil 502 obviously improves the high heat exchange efficiency, the preheated water is conveyed into the boiler through the water conveying pipe 15 to play a role in reducing the energy consumption of the boiler, the hot water which completes the heat exchange is returned into the water storage tank 2 through the hot medium outlet and the cold medium conveying pipe 13, the water in the water storage tank 2 is circularly conveyed into the heat recovery coil 6 under the action of the circulating pump 8, so that the waste heat recovery is completed and the thermal circulation recycling is integrally formed; the hot water in the hot water storage tank 3 can also be used as domestic hot water.
Second embodiment
This embodiment is similar to the first embodiment, except that the connection between the water inlet of the heat recovery coil 6 and the cold water delivery pipe 7 and the connection between the water outlet of the heat recovery coil 6 and the hot water delivery pipe 9 are flange connections. The flange connection mode is adopted to ensure that the joint strength of the heat recovery coil 6 and the connecting ends of the cold water conveying pipeline 7 and the hot water conveying pipeline 9 is higher, the tightness is better, and the disassembly is convenient.
In this embodiment, the housing 501 is a cylindrical structure made of stainless steel. The device has longer service life by utilizing the characteristic of stainless steel material, has the characteristics of rust prevention and scaling prevention, and is more beautiful by adopting a cylindrical structure.
The connection mode between the heat exchange coil 502 and the heat conducting copper sheet 505 is welding. The welding connection mode is adopted, so that the bonding strength between the heat exchange coil 502 and the heat conduction copper sheet 505 is higher, the production cost is lower, and the economy is higher.
Wherein the spoiler 504 is a spiral plate body adapted to the heat exchanging coil 502.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a boiler waste heat recovery thermodynamic cycle device, is including locating inside heat recovery coil pipe, storage water tank, heat storage water tank, condenser and the heat exchange device of boiler waste heat discharge pipe, its characterized in that: the water inlet of the heat recovery coil pipe is communicated with the water storage tank through a pipeline, the water outlet of the heat recovery coil pipe is communicated with the hot water storage tank through a pipeline, the inlet of the condenser is communicated with the steam outlet of the hot water storage tank through a pipeline, the outlet of the condenser is communicated with the water storage tank through a pipeline, the hot water outlet of the hot water storage tank is connected with the first inlet of the heat exchange device through a pipeline, the first outlet of the heat exchange device is communicated with the water storage tank through a pipeline, the second inlet of the heat exchange device is communicated with the water storage tank, the second outlet of the heat exchange device is communicated with the water delivery pipe of the boiler through a pipeline, and the outlet of the heat recovery coil pipe is provided with a circulating pump on the pipeline communicated with.
2. The boiler waste heat recovery thermodynamic cycle device of claim 1, wherein: heat exchange device includes casing and heat exchange coil, heat exchange coil passes through dead lever fixed mounting and is in inside the casing, first import and first export are located the casing both ends, second import and second export are located respectively heat exchange coil's both ends.
3. A boiler waste heat recovery thermodynamic cycle device as claimed in claim 2, wherein: the outer surface of the heat exchange coil is provided with a plurality of heat conduction copper sheets, and the inner wall of the shell is provided with a spoiler.
4. A boiler waste heat recovery thermodynamic cycle device as claimed in claim 3, wherein: the water inlet of the heat recovery coil pipe is connected with the pipeline through a flange, and the water outlet of the heat recovery coil pipe is connected with the pipeline through a flange.
5. A boiler waste heat recovery thermodynamic cycle device as claimed in claim 3, wherein: the shell is a cylindrical structure made of stainless steel.
6. The boiler waste heat recovery thermodynamic cycle device of claim 5, wherein: the heat exchange coil and the heat conduction copper sheet are connected in a welding mode.
7. The boiler waste heat recovery thermodynamic cycle device of claim 6, wherein: the spoiler is a spiral plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020808795.XU CN212870229U (en) | 2020-05-14 | 2020-05-14 | Boiler waste heat recovery thermodynamic cycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020808795.XU CN212870229U (en) | 2020-05-14 | 2020-05-14 | Boiler waste heat recovery thermodynamic cycle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212870229U true CN212870229U (en) | 2021-04-02 |
Family
ID=75204702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020808795.XU Active CN212870229U (en) | 2020-05-14 | 2020-05-14 | Boiler waste heat recovery thermodynamic cycle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212870229U (en) |
-
2020
- 2020-05-14 CN CN202020808795.XU patent/CN212870229U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202470536U (en) | Double-high flue gas hot-water after-burning type lithium bromide absorption type cold and hot water unit | |
| CN212870229U (en) | Boiler waste heat recovery thermodynamic cycle device | |
| CN202361850U (en) | Corrosion-resistant gas-liquid type gravity assisted heat pipe heat exchanger | |
| CN201917244U (en) | Double-tube double-tube-plate steam waste heat recoverer | |
| CN212339199U (en) | Boiler system for cleaning and efficiently recycling heat energy | |
| CN201016608Y (en) | Heat exchanger for condensing gas water heater | |
| CN201340135Y (en) | Hot water direct combustion single/double effect composite type lithium bromide absorption cold water/hot and cold water set | |
| CN211261348U (en) | Energy-saving direct-fired generator with integrated structure | |
| CN106568234A (en) | Megawatt-level carbon dioxide heat pump system applied to community system by using solar energy | |
| CN2632589Y (en) | Hot piping double-effect lithium bromide absorbing cold hot water apparatus with smoke waste heat drive | |
| CN102278818B (en) | Condensation heat exchanger of gas water heater | |
| CN202303589U (en) | Prefabricated radiant heating system with overall consideration of heating, air conditioning and sanitary hot water | |
| CN205448762U (en) | Water storage formula stainless steel heat exchanger | |
| CN206352987U (en) | A kind of condensation water residual heat recycle device | |
| CN212179224U (en) | Condensing boiler system | |
| CN2921698Y (en) | Integrated condensation boiler | |
| CN211695415U (en) | Double air inlet heat exchanger for condensing gas water heater | |
| CN203657570U (en) | Smoke and hot water boiler heat exchanger convenient to maintain | |
| CN211953319U (en) | Multi-effect energy conversion equipment | |
| CN212157667U (en) | Heat conduction oil furnace is used in water purification agent production | |
| CN215002268U (en) | Hot-blast unit of high temperature water source heat pump | |
| CN219713324U (en) | Heating system for gas steam boiler | |
| CN216319989U (en) | Flue gas waste heat evaporator | |
| CN204574199U (en) | Hot blast and the additional hot direct contact heat exchanger of electricity | |
| CN2188695Y (en) | Vacuum energy-saving safety hot water boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |