CN112665215A - Flue gas recovery type cold-heat exchange cold-storage and heat-storage system for cafeteria - Google Patents
Flue gas recovery type cold-heat exchange cold-storage and heat-storage system for cafeteria Download PDFInfo
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- CN112665215A CN112665215A CN202110103664.0A CN202110103664A CN112665215A CN 112665215 A CN112665215 A CN 112665215A CN 202110103664 A CN202110103664 A CN 202110103664A CN 112665215 A CN112665215 A CN 112665215A
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- heat
- cold
- flue gas
- gas recovery
- cafeteria
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003546 flue gas Substances 0.000 title claims abstract description 49
- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 238000005338 heat storage Methods 0.000 title claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000009825 accumulation Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 235000012171 hot beverage Nutrition 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 241000791841 Alectis ciliaris Species 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 235000021168 barbecue Nutrition 0.000 claims description 3
- 229920006327 polystyrene foam Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 18
- 238000001914 filtration Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 5
- 239000004519 grease Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention discloses a flue gas recovery type cold-heat exchange cold-storage and heat-storage system for a cafeteria, which comprises: the system comprises a heat pump, a cold accumulator, a heat accumulator, a refrigerating device and heat supply kitchen equipment; the cold junction of heat pump pass through the regenerator and connect cold storage plant, the hot junction of heat pump pass through the heat accumulator and connect heat supply kitchen utensils and appliances equipment, the top of heat supply kitchen utensils and appliances equipment sets up flue gas recovery unit, flue gas recovery unit loop through flue gas screening device and waste heat recoverer and connect the heat accumulator. The invention utilizes the heat pump, properly reduces the energy consumption, adopts the flue gas waste heat recovery, improves the heat supply capacity of the system, reduces the pollution to the environment, saves the electric power, has high efficiency, can better utilize the cold and heat quantity, and has no combustion process and relatively high safety.
Description
Technical Field
The invention discloses a flue gas recovery type cold-heat exchange cold-storage and heat-storage system for a cafeteria, and relates to the technical field of catering equipment.
Background
The energy structure of China is that coal is used a lot, so that the environmental pollution is serious; in an era with extremely developed industry, environmental problems are inevitable, the cost of human beings paid for the environmental problems is more and more serious while the era progresses and develops, people find a technology which is as friendly as possible to the environment while developing economy, the heat pump technology appears in due time, the heat pump technology is relatively energy-saving and environment-friendly, the pollution to the environment is small, and related laws issued by the state also promote the development and competition of the heat pump technology to be more smooth.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides the flue gas recovery type cold-heat exchange cold-storage and heat-storage system for the cafeteria, and improves the environmental protection.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: flue gas recovery type cold and heat exchange cold and heat accumulation system for cafeteria, comprising: the system comprises a heat pump, a cold accumulator, a heat accumulator, a refrigerating device and heat supply kitchen equipment; the cold junction of heat pump pass through the regenerator and connect cold storage plant, the hot junction of heat pump pass through the heat accumulator and connect heat supply kitchen utensils and appliances equipment, the top of heat supply kitchen utensils and appliances equipment sets up flue gas recovery unit, flue gas recovery unit loop through flue gas screening device and waste heat recoverer and connect the heat accumulator.
The heat accumulator adopts a variable pressure type steam heat accumulator, the variable pressure type heat accumulator mainly comprises two parts, one part is a heat accumulator body for accumulating steam in a saturated hot water state, the other part is a regulating valve for controlling the input and output of the steam to the body, the work of the heat accumulator is completed under the condition of automatic regulation, and the whole heat pump system can run under a stable load due to the balance regulation effect, so that the efficiency is efficiently improved.
The temperature of an outlet at the heating side of the heat pump is about 50 ℃, and the outlet of the heat pump is connected with the heat accumulator; the outlet of the other end of the heat pump is connected with an active cold accumulator, the active cold accumulator is a main part of magnetic refrigeration, and a magnetic working medium of the active cold accumulator is a refrigeration working medium and a cold accumulation material, so that the heat pump has ultrahigh efficiency.
Furthermore, the smoke recovery device adopts a water-transporting and gas-collecting (smoke) cover, and achieves the purpose of purifying the oil smoke after colliding with the oil smoke by forming water curtain circulation; partial oil smoke can be removed at the gas (smoke) collecting cover, the processing load of oil smoke purifying equipment is reduced, and the purifying effect of the system is improved; and the steam heat is collected and then sent to a flue gas screening device to separate oil from flue gas, so that the flue gas with small pollution is discharged.
Further, the refrigeration device comprises: the cold storage cabinet, set up the valve on the confession cold pipeline between regenerator and the freezer, the valve mean in regenerator exit with the valve in addition, the valve can freely be opened and closed, when not needing the work alright with closing, make the operating mode between the system not influence each other.
Furthermore, the variable-spacing fin heat exchanger is arranged between the cold supply pipeline between the cold storage device and the cold accumulator, so that frosting can be effectively prevented, and heat exchange can be better carried out in a low-temperature environment.
Further, the heat-supplying kitchen equipment includes: hot drink machine, food steamer, heat preservation pot, barbecue platform.
Furthermore, a uniform-pitch internal thread fin heat exchanger is arranged between the heat supply pipelines between the heat supply kitchen ware and the heat accumulator, so that the heat exchange area is increased.
Further, the waste heat recoverer comprises: the flue is arranged in the middle, the water tanks are arranged at the upper part and the bottom part, and the water tanks are connected to the outer wall of the flue; the water tanks on the upper side and the lower side are communicated through heat exchange tubes, the water tank on the lower side is provided with a water inlet, the water tank on the upper side is provided with a water outlet, and the top of the water tank is provided with a safety valve, a pressure gauge and a thermometer interface; when the heat exchanger works, smoke flows through the residual heat return device flue from left to right to wash the heat exchange tube and is discharged from the exhaust port on the right side, and heat exchange media in the heat exchange tube absorb heat and then flow out from the water outlet of the upper water tank.
Further, the flue gas screening device comprises: the device comprises a primary oil filtering bin and a secondary oil filtering bin, wherein the secondary oil filtering bin is arranged at the upper part of the primary oil filtering bin, the bottom of the primary oil filtering bin is provided with an air inlet, the top of the secondary oil filtering bin is provided with an air outlet, the top of the primary oil filtering bin is provided with a wall-mounted oil removing net, the outer side of the wall-mounted oil removing net is provided with a spiral air duct, an oil outlet is arranged below the wall-mounted oil removing net, the lower part of the oil outlet is connected with a waste oil collecting part, the bottom of the secondary oil filtering bin is provided with the oil removing net and an active carbon adsorption layer from bottom to top, the spiral air duct separates grease in the flue gas from the flue gas by the action of centrifugal force, the grease is filtered to the waste oil collecting part at the lower part after; the active carbon adsorption layer is arranged at the outlet of the flue gas screening device, and the adsorption of the active carbon is utilized to absorb fine particles in the flue gas, so that the pollution to the air is avoided.
Furthermore, the cooling pipeline is made of polystyrene foam plastics.
Furthermore, the surface of the heat supply pipeline is coated with one layer of asbestos powder, the outer wall of the heat supply pipeline is bound by two layers of heat insulation tiles, heat insulation measures enable heat to be transported in the heat supply pipeline without too much dissipation, and the heat insulation effect of the heat supply pipeline is improved.
The working principle is as follows: the refrigerating capacity generated by the heat pump is conveyed to the heat exchanger through the cold accumulator to keep the low temperature of the low-temperature refrigerating cabinet, and the generated heating capacity is conveyed to the heat exchanger through the heat accumulator to keep the high temperature of the working tables such as the constant-temperature hot drink machine and the like, so that the cold and heat exchange is realized.
Has the advantages that: the invention utilizes the heat pump, properly reduces the energy consumption, adopts the flue gas waste heat recovery, improves the heat supply capacity of the system, reduces the pollution to the environment, saves the electric power, has high efficiency, can better utilize the cold and heat quantity, and has no combustion process and relatively high safety.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the system of the present invention;
FIG. 2 is a schematic structural diagram of the flue gas separation device of the present invention;
fig. 3 is a schematic structural diagram of the waste heat recoverer of the present invention.
Detailed Description
The following describes the embodiments in further detail with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
One embodiment is shown in FIGS. 1-3: flue gas recovery type cold and heat exchange cold and heat accumulation system for cafeteria, comprising: the heat pump, the cold accumulator 1, the heat accumulator 4, the refrigerating device and the heat supply kitchen equipment; the cold junction of heat pump pass through regenerator 1 and connect cold storage plant, the hot junction of heat pump pass through heat accumulator 4 and connect heat supply kitchen utensils and appliances equipment, the top of heat supply kitchen utensils and appliances equipment sets up flue gas recovery unit 6, flue gas recovery unit 6 loop through flue gas screening device 7 and waste heat recoverer 9 and connect heat accumulator 4.
The smoke gas recovery device 6 adopts a water-transporting gas-collecting (smoke) cover, and achieves the purpose of purifying the oil smoke after colliding with the oil smoke by forming water curtain circulation; partial oil smoke can be removed at the gas (smoke) collecting cover, the processing load of oil smoke purifying equipment is reduced, and the purifying effect of the system is improved; and the steam heat is collected and sent to a flue gas screening device 7 to separate oil from flue gas, so that the flue gas with small pollution is discharged.
The refrigeration device comprises: a valve 2 is arranged on a cold supply pipeline between a cold accumulator 1 and the refrigerated cabinet.
The variable-spacing fin heat exchanger 3 is arranged between the cold supply pipeline between the cold storage device and the cold accumulator 1, so that frosting can be effectively prevented, and heat exchange can be better carried out in a low-temperature environment.
The heat-supplying kitchen equipment comprises: hot drink machine, food steamer, heat preservation pot, barbecue platform.
A constant-pitch internal thread fin heat exchanger 5 is arranged between the heat supply pipeline between the heat supply kitchen ware and the heat accumulator 4, so that the heat exchange area is increased; a valve 2 is arranged on a heat supply pipeline between the heat supply kitchen ware and the heat accumulator 4.
The waste heat recoverer 9 comprises: the flue is arranged in the middle, the water tanks are arranged at the upper part and the bottom part of the flue, the water tanks are connected to the outer wall of the flue, and the heat-insulating layer 15 is arranged around the water tanks; the water tanks on the upper side and the lower side are communicated through heat exchange pipes, the water tank on the lower side is provided with a water inlet 16, the water tank on the upper side is provided with a water outlet 14, and the top of the water tank is provided with a safety valve, a pressure gauge and a thermometer interface; when the waste heat recovery device works, smoke flows through the waste heat recovery device flue from left to right to wash the heat exchange tube, the treated smoke has small pollution to the environment, the smoke is discharged from the exhaust port 8 on the right side after heat exchange is finished, and heat exchange media in the heat exchange tube absorb heat and then flow out from the water outlet 14 of the upper water tank.
The flue gas screening device 7 comprises: the device comprises a primary oil filtering bin and a secondary oil filtering bin, wherein the secondary oil filtering bin is arranged at the upper part of the primary oil filtering bin, an air inlet is formed in the bottom of the primary oil filtering bin, an air outlet is formed in the top of the secondary oil filtering bin, a wall-mounted oil removing net 12 is arranged at the top of the primary oil filtering bin, a spiral air duct 13 is arranged on the outer side of the wall-mounted oil removing net 12, an oil outlet is formed below the wall-mounted oil removing net 12, a waste oil collecting part is connected below the oil outlet, an oil removing net 11 and an active carbon adsorption layer 10 are arranged at the bottom of the secondary oil filtering bin from bottom to top, the spiral air duct 13 separates grease in the flue gas from the flue gas under the action of centrifugal force, the grease is filtered to the waste oil collecting part at the lower part after the grease is thrown; the outlet of the flue gas screening device 7 is provided with an active carbon adsorption layer 10, and the adsorption of active carbon is utilized to absorb fine particles in flue gas, so that the pollution to air is avoided.
The cold supply pipeline is made of polystyrene foam plastics.
The surface of the heat supply pipeline is coated with a layer of asbestos powder, and the outer wall of the heat supply pipeline is bound by two layers of heat insulation tiles.
The refrigerating capacity generated by the heat pump is transmitted to the heat exchanger through the cold accumulator to keep the low temperature of the low-temperature refrigerating cabinet, and the generated heating capacity is transmitted to the heat exchanger through the heat accumulator to keep the high temperature of the working tables such as the constant-temperature hot drink machine and the like, so that the cold and heat exchange is realized.
The invention utilizes the heat pump, properly reduces the energy consumption, adopts the flue gas waste heat recovery, improves the heat supply capacity of the system, reduces the pollution to the environment, saves the electric power, has high efficiency, can better utilize the cold and heat quantity, and has no combustion process and relatively high safety.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. Cold and hot exchange cold-storage heat accumulation system of formula is retrieved to cafeteria flue gas, its characterized in that includes: the system comprises a heat pump, a cold accumulator, a heat accumulator, a refrigerating device and heat supply kitchen equipment;
the cold junction of heat pump pass through the regenerator and connect cold storage plant, the hot junction of heat pump pass through the heat accumulator and connect heat supply kitchen utensils and appliances equipment, the top of heat supply kitchen utensils and appliances equipment sets up flue gas recovery unit, flue gas recovery unit loop through flue gas screening device and waste heat recoverer and connect the heat accumulator.
2. The cafeteria flue gas recovery type heat exchange cold and heat accumulation system according to claim 1, wherein said cold storage means comprises: the cold storage device comprises a cold storage cabinet, and a valve is arranged on a cold supply pipeline between the cold storage device and the cold storage cabinet.
3. The cafeteria flue gas recovery type heat exchange, cold storage and heat accumulation system according to claim 1, wherein a variable-pitch fin heat exchanger is arranged between the cold supply pipeline between the cold storage device and the cold accumulator.
4. The cafeteria flue gas recovery type heat exchange, cold accumulation and heat storage system of claim 1, wherein said heat supply kitchen equipment comprises: one or more of a hot beverage maker, a steamer, a thermal pot, and a barbecue table.
5. The cafeteria flue gas recovery type heat exchange cold-heat accumulation system according to claim 1, wherein a constant-pitch internal thread fin heat exchanger is arranged between the heat supply pipelines between the heat supply kitchen ware and the heat accumulator.
6. The cafeteria flue gas recovery type heat exchange cold and heat accumulation system according to claim 1, wherein said waste heat recoverer comprises: the water tank is connected to the outer wall of the flue, the water tanks on the upper side and the lower side are communicated through heat exchange tubes, a water inlet is formed in the water tank located on the lower portion of the flue, and a water outlet is formed in the water tank located on the upper portion of the flue.
7. The cafeteria flue gas recovery type heat exchange cold and heat accumulation system according to claim 1, wherein said flue gas screening device comprises: one-level oil filter storehouse and second grade oil filter storehouse, second grade oil filter storehouse set up on the upper portion in one-level oil filter storehouse, the bottom in one-level oil filter storehouse sets up the air inlet, second grade oil filter storehouse top sets up the gas outlet, the top in one-level oil filter storehouse set up the wall built-up and remove the net of oiling, the outside that the wall built-up removed the net of oiling sets up spiral duct, the below that the wall built-up removed the net of oiling sets up the oil-out, waste oil collection department is connected to the below of oil-out, second grade oil filter storehouse bottom by supreme setting down except that net of oiling and active carbon adsorption layer.
8. The cafeteria flue gas recovery type heat exchange cold-storage and heat-storage system as claimed in claim 3, wherein said cold supply duct is made of polystyrene foam.
9. The cafeteria flue gas recovery type heat exchange cold-heat accumulation system according to claim 5, wherein the surface of the heat supply pipeline is coated with a layer of asbestos powder, and the outer wall of the heat supply pipeline is bound by two layers of heat insulation tiles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103664.0A CN112665215A (en) | 2021-01-26 | 2021-01-26 | Flue gas recovery type cold-heat exchange cold-storage and heat-storage system for cafeteria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103664.0A CN112665215A (en) | 2021-01-26 | 2021-01-26 | Flue gas recovery type cold-heat exchange cold-storage and heat-storage system for cafeteria |
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| Publication Number | Publication Date |
|---|---|
| CN112665215A true CN112665215A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110103664.0A Pending CN112665215A (en) | 2021-01-26 | 2021-01-26 | Flue gas recovery type cold-heat exchange cold-storage and heat-storage system for cafeteria |
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| CN (1) | CN112665215A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135136A1 (en) * | 2012-03-12 | 2013-09-19 | Rong Guohua | Kitchen heat-recycling air conditioning system |
| CN104406210A (en) * | 2014-11-21 | 2015-03-11 | 南开大学 | Cooking fume treating device |
| CN106563339A (en) * | 2015-10-09 | 2017-04-19 | 冀文平 | Dry and wet dual-use flue gas purification equipment for organic flue gas |
| CN206420096U (en) * | 2017-01-23 | 2017-08-18 | 郑旭阳 | A kind of air heat energy collection system |
| CN107747750A (en) * | 2017-10-25 | 2018-03-02 | 南京师范大学 | Dining room waste heat recovery lampblack absorber based on oscillating heat pipe |
| CN108344005A (en) * | 2018-03-27 | 2018-07-31 | 重庆大学 | Large and medium-sized kitchen residual heat recycling system |
| CN212108585U (en) * | 2020-04-28 | 2020-12-08 | 顾鹏 | Kitchen oil smoke heat energy collecting and utilizing system |
-
2021
- 2021-01-26 CN CN202110103664.0A patent/CN112665215A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013135136A1 (en) * | 2012-03-12 | 2013-09-19 | Rong Guohua | Kitchen heat-recycling air conditioning system |
| CN104406210A (en) * | 2014-11-21 | 2015-03-11 | 南开大学 | Cooking fume treating device |
| CN106563339A (en) * | 2015-10-09 | 2017-04-19 | 冀文平 | Dry and wet dual-use flue gas purification equipment for organic flue gas |
| CN206420096U (en) * | 2017-01-23 | 2017-08-18 | 郑旭阳 | A kind of air heat energy collection system |
| CN107747750A (en) * | 2017-10-25 | 2018-03-02 | 南京师范大学 | Dining room waste heat recovery lampblack absorber based on oscillating heat pipe |
| CN108344005A (en) * | 2018-03-27 | 2018-07-31 | 重庆大学 | Large and medium-sized kitchen residual heat recycling system |
| CN212108585U (en) * | 2020-04-28 | 2020-12-08 | 顾鹏 | Kitchen oil smoke heat energy collecting and utilizing system |
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Application publication date: 20210416 |
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| RJ01 | Rejection of invention patent application after publication |