CN218065417U - Heat energy recovery system for recovering waste heat of steam condensate for refrigeration - Google Patents
Heat energy recovery system for recovering waste heat of steam condensate for refrigeration Download PDFInfo
- Publication number
- CN218065417U CN218065417U CN202221564462.2U CN202221564462U CN218065417U CN 218065417 U CN218065417 U CN 218065417U CN 202221564462 U CN202221564462 U CN 202221564462U CN 218065417 U CN218065417 U CN 218065417U
- Authority
- CN
- China
- Prior art keywords
- condensate
- steam
- waste heat
- steam condensate
- pipe
- 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
- 238000011084 recovery Methods 0.000 title claims abstract description 56
- 239000002918 waste heat Substances 0.000 title claims abstract description 45
- 238000005057 refrigeration Methods 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 153
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 93
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000010808 liquid waste Substances 0.000 abstract 1
- 238000010977 unit operation Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a refrigerated heat recovery system of steam condensate waste heat recovery, including steam condensate house steward, steam condensate house steward output and the input fixed connection who congeals the liquid buffer tank, a serial communication port, be fixed with the valve group that cuts off on the steam condensate house steward, the valve group that cuts off is used for just beginning to congeal the input fixed connection of liquid waste heat refrigerating system device debugging and device maintenance, be fixed with output connection pipe and input connection pipe on the steam condensate house steward and set up respectively around cutting off the valve group, the utility model discloses the waste heat that can retrieve steam condensate in a large number is used for preparing the refrigerated water to steam condensate waste heat recovery refrigerating plant replaces current electric refrigerating unit operation, and then realizes economize on electricity, reduces energy consumption total amount and manufacturing cost's purpose, can reduce discharging CO2 each year simultaneously, and energy-conservation carbon reduction effect is very obvious. The invention opens a new road for low-quality residual pressure and residual heat utilization of enterprises, and has great significance for energy conservation and consumption reduction of enterprises.
Description
Technical Field
The utility model relates to a heat recovery technical field especially relates to a refrigerated heat recovery system of steam condensate waste heat recovery.
Background
The method comprises the following steps that steam condensate is completely collected through a DN400 header pipe and enters a condensate buffer tank, so that the pressure and the temperature of the condensate buffer tank exceed design values, in order to meet the requirements of the design values and maintain the safe operation of the condensate buffer tank, an emptying pressure relief valve of the condensate buffer tank is required to be opened all the time, and a large amount of low-quality flash steam (about 70-90 KPa) is emptied; meanwhile, in order to meet the recycling requirement, the steam condensate collected by the condensate buffer tank is cooled to about 90 ℃ by a large amount of circulating water and then is sent back to the hydrothermal electrochemical water production process for recycling. By the operation, a large amount of flash steam is discharged, condensate is conveyed outwards and needs a large amount of circulating water for cooling, and a large amount of heat energy and desalted water are wasted.
At present, the waste heat of steam condensate and low-quality heat source steam is recovered, and a generally adopted method is to directly utilize the steam condensate or the low-quality heat source steam, indirectly heat a cold fluid through heat exchange equipment, and transfer the heat contained in the steam condensate or the low-quality heat source steam to the cold fluid to the maximum extent, so that the heat energy contained in the cold fluid (represented as the temperature rise or the change of the physical state of the cold fluid) is improved, and the quantity of high-quality steam used for heating the cold fluid is further reduced. Combining the practical situation of the current production system of a new Hangzhou company, firstly, the material or other medium streams needing to be preheated are very few, and the heat energy required for preheating is also less, and when 1.0MPa steam condensate is adopted for preheating, the needed amount is not very large, so that the fundamental problem cannot be solved. Secondly, if 1.0MPa steam condensate is adopted to preheat/heat other streams, proper heat exchanger equipment needs to be designed and purchased, and matched required pipelines need to be installed, so that the equipment investment and the engineering cost are very high.
In summary, the most ideal method for solving the problem in item 1 is to perform the concentrated recycling of residual energy on 1.0MPa steam condensate (i.e. recycling the heat energy of the condensate to cool the condensate), and solve the problem at one time with the least investment and the least amount of work. However, by what kind of technology, how to concentrate and recycle a large amount of heat energy contained in the steam condensate becomes a key problem to be considered and solved.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a cryogenic heat recovery system of steam condensate waste heat recovery for overcome prior art and how can concentrate recycle's problem with a large amount of heat energy that the steam condensate contains.
In order to realize the above purpose, the utility model provides a refrigerated heat recovery system of steam condensate waste heat recovery, including the steam condensate house steward, the input fixed connection of steam condensate house steward output and condensate buffer tank, be fixed with the valve unit that cuts off on the steam condensate house steward, the valve unit that cuts off is used for just beginning condensate waste heat refrigerating system device debugging and device maintenance, be fixed with output connection pipe and input connection pipe on the steam condensate house steward and set up respectively around the valve unit that cuts off, output connection pipe and input connection pipe respectively with the input and the output fixed connection of steam condensate waste heat recovery refrigerating plant, last fixedly connected with circulating water device and the refrigerated water conveyor of steam condensate waste heat recovery refrigerating plant, the refrigerated water is prepared to the usable a large amount of heat energy that the steam condensate of steam condensate waste heat recovery refrigerating plant contains, realizes heat recovery.
Further, steam condensate waste heat recovery refrigerating plant includes the closed condensate flash tank, and the closed condensate flash tank can isolate saturated steam from high temperature hot water, the steam output end fixedly connected with steam type lithium bromide refrigerating unit of the closed condensate flash tank, the high temperature water output end of the closed condensate flash tank passes through two sets of hot water type lithium bromide refrigerating units of inverter pump fixedly connected with, recoverable heat of steam type lithium bromide refrigerating unit and hot water type lithium bromide refrigerating unit refrigerates.
Furthermore, all fixedly connected with refrigerated water conveyor and circulating water device on steam type lithium bromide refrigerating unit and the hot water type lithium bromide refrigerating unit respectively, refrigerated water conveyor and circulating water device can make steam type lithium bromide refrigerating unit and hot water type lithium bromide refrigerating unit can retrieve the heat and refrigerate.
Further, the high temperature water output end of closed condensate flash drum is through inverter pump still fixedly connected with earial drainage pipe connection, be fixed with gate valve and liquid level control valve on the earial drainage pipe, liquid level control valve can adjust the start-up according to the teletransmission level gauge of fixed on the closed condensate flash drum, prevents that the liquid level is too high in the closed condensate flash drum, be fixed with the teletransmission level gauge on the closed condensate flash drum.
Furthermore, the output ends of the steam type lithium bromide refrigerating unit, the hot water type lithium bromide refrigerating unit and the drainage pipe are fixedly connected with the input connecting pipe.
Furthermore, a manual exhaust pipe, a safety valve and a pressure regulating system are further fixed on the closed condensate flash tank, a valve is fixed on the manual exhaust pipe and can be manually operated to exhaust, the safety valve can realize safe pressure relief, the take-off pressure is 0.20-0.25 Mpa, and the pressure regulating system can realize the regulation of the pressure in the closed condensate flash tank by automatically conveying saturated steam.
Further, the pressure regulating system comprises a pressure regulating connecting pipe, an open condensing heat exchanger and an open condensate water recovery device, wherein the input end of the pressure regulating connecting pipe is fixedly communicated with the closed condensate flash tank and is fixedly connected with a gate valve and a pressure regulating valve, the pressure regulating valve can be regulated and started according to a pressure transfer instrument on the closed condensate flash tank to prevent overlarge pressure in the closed condensate flash tank, the output end of the pressure regulating connecting pipe is fixedly connected with the input end of the open condensing heat exchanger, the output end of the open condensing heat exchanger is fixedly connected with the open condensate water recovery device, a circulating water device is fixedly connected to the open condensing heat exchanger, an overflow pipeline and a sewage discharge pipeline are fixed to the open condensate water recovery device, and the input end side of the open condensate water recovery device is fixedly connected with the output end of the steam type lithium bromide refrigerating unit.
Furthermore, the circulating water device comprises a circulating water inlet pipe, a circulating water outlet pipe, a circulating water upper water header pipe and a circulating water return header pipe, wherein the input end of the circulating water inlet pipe is fixedly connected with the circulating water upper water header pipe, and the output end of the circulating water outlet pipe is fixedly connected with the circulating water return header pipe.
Furthermore, the chilled water conveying device comprises a chilled water inlet pipe, a chilled water outlet pipe, a chilled water feeding main pipe and a chilled water return main pipe, wherein the input end of the chilled water inlet pipe is fixedly connected with the chilled water feeding main pipe, and the output end of the chilled water outlet pipe is fixedly connected with the chilled water return main pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the steam condensate waste heat recovery refrigerating device can be used for replacing the existing electric refrigerating unit to run, so that the purposes of saving electricity and reducing the total energy consumption and the production cost are achieved, CO2 can be reduced annually, and the effects of saving energy and reducing carbon are very obvious. The invention opens a new road for low-quality residual pressure and residual heat utilization of enterprises, and has great significance for energy conservation and consumption reduction of enterprises.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the working system of fig. 1 according to the present invention;
fig. 3 is a schematic structural view of the circulating water and chilled water working system in fig. 1 according to the present invention.
Fig. 4 is a schematic structural diagram of the working system of the present invention.
In the figure: the system comprises a steam condensate header pipe 1, a condensate buffer tank 2, a cut-off valve group 3, a steam condensate waste heat recovery refrigerating device 4, a circulating water device 5, a chilled water conveying device 6, a closed condensate flash tank 7, a steam type lithium bromide refrigerating unit 8, a hot water type lithium bromide refrigerating unit 9, a variable frequency pump 10, a circulating water upper header pipe 11, a circulating water return header pipe 12, a chilled water upper header pipe 13, a chilled water return header pipe 14, a discharge conduit pipe 15, a remote liquid level meter 16 and a pressure regulating system 17.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be further described with reference to the following embodiments; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, the utility model discloses a refrigerated heat recovery system of steam condensate waste heat recovery, including steam condensate house steward 1, the input fixed connection of 1 output of steam condensate house steward and condensate buffer tank 2, be fixed with cut-off valve group 3 on the steam condensate house steward 1, cut-off valve group 3 is used for just beginning condensate waste heat refrigerating system device start-up debugging and device maintenance, be fixed with output connection pipe and input connection pipe on the steam condensate house steward 1 and set up respectively in the front and back of cut-off valve group 3, output connection pipe and input connection pipe respectively with the input of steam condensate waste heat recovery refrigerating plant 4 and output fixed connection, fixedly connected with circulating water device 5 and refrigerated water conveyor 6 on the steam condensate waste heat recovery refrigerating plant 4, the refrigerated water is prepared to the usable a large amount of heat energy that steam condensate of steam condensate waste heat recovery refrigerating plant 4 contains, realizes heat recovery.
Steam condensate waste heat recovery refrigerating plant 4 includes closed condensate flash tank 7, closed condensate flash tank 7 can separate saturated steam from high temperature hot water, the steam output end fixedly connected with steam type lithium bromide refrigerating unit 8 of closed condensate flash tank 7, the high temperature water output end of closed condensate flash tank 7 passes through two sets of hot water type lithium bromide refrigerating unit 9 of inverter pump 10 fixedly connected with, but steam type lithium bromide refrigerating unit 8 and hot water type lithium bromide refrigerating unit 9 recoverable heat refrigerate.
All fixedly connected with refrigerated water conveyor 6 and circulating water device 5 on steam type lithium bromide refrigerating unit 8 and the hot water type lithium bromide refrigerating unit 9 respectively, refrigerated water conveyor 6 and circulating water device 5 can make steam type lithium bromide refrigerating unit 8 and hot water type lithium bromide refrigerating unit 9 can retrieve the heat and refrigerate.
The high temperature water output of closed condensate flash tank 7 is through inverter pump 10 still fixedly connected with earial drainage pipe 15 and connect, is fixed with gate valve and liquid level control valve on the earial drainage pipe 15, and the liquid level control valve can be adjusted according to the teletransmission level gauge of fixed on the closed condensate flash tank 7 and is started, prevents that the liquid level is too high in the closed condensate flash tank 7, is fixed with teletransmission level gauge 16 on the closed condensate flash tank 7.
The output ends of the steam type lithium bromide refrigerating unit 8, the hot water type lithium bromide refrigerating unit and the drainage conduit 15 are fixedly connected with the input connecting pipe.
Still be fixed with manual blast pipe, relief valve and pressure governing system 17 on the closed condensate flash tank 7, be fixed with the valve on the manual blast pipe, can carry out the exhaust of manually operation valve, the relief valve can realize safe pressure release and take off pressure at 0.20 Mpa-0.25 Mpa, and pressure governing system 17 accessible automatic saturated steam of carrying realizes adjusting the pressure in the closed condensate flash tank 7.
The pressure regulating system 17 comprises a pressure regulating connecting pipe, an open type condensing heat exchanger and an open type condensate water recycling device, the input end of the pressure regulating connecting pipe is fixedly communicated with the closed type condensate flash tank 7 and is fixedly provided with a gate valve and a pressure regulating valve, the pressure regulating valve can be regulated and started according to a pressure transmission instrument on the closed type condensate flash tank 7, the pressure in the closed type condensate flash tank 7 is prevented from being too large, the output end of the pressure regulating connecting pipe is fixedly connected with the input end of the open type condensing heat exchanger, the output end of the open type condensing heat exchanger is fixedly connected with the open type condensate water recycling device, the open type condensing heat exchanger is fixedly internally connected with a circulating water device 5, the open type condensate water recycling device is fixedly provided with an overflow pipeline and a sewage discharge pipeline, and the input end side of the open type condensate water recycling device is fixedly connected with the output end of the steam type lithium bromide refrigerating unit 8.
The circulating water device 5 comprises a circulating water inlet pipe, a circulating water outlet pipe, a circulating water upper water header pipe 11 and a circulating water return header pipe 12, wherein the input end of the circulating water inlet pipe is fixedly connected with the circulating water upper water header pipe 11, and the output end of the circulating water outlet pipe is fixedly connected with the circulating water return header pipe 12.
Chilled water conveyor 6 includes chilled water inlet tube, chilled water outlet pipe, freezing water supply main 13 and chilled water return main 14, and the input and the freezing water supply main 13 fixed connection of chilled water inlet tube, the output and the freezing water return main 14 fixed connection of chilled water outlet pipe.
When the refrigerating system is used, a set of DN400 cut-off valve group 3 is additionally arranged on the 1.0MPaG steam condensate header pipe 1 (mainly used when the condensate waste heat refrigerating system device is started to be started for debugging and the device is overhauled), and a DN250 pipeline is newly built in front of the cut-off valve group 3 to introduce 1.0MPaG steam condensate into the steam condensate waste heat recovery refrigerating device 4. And a DN250 pipeline is newly built behind the valve bank to guide the 1.0MPaG steam condensate which is subjected to heat recovery by the steam condensate waste heat recovery refrigerating device 4 into the original condensate recovery main pipe.
Specifically, in a 0.13MPaG closed condensate flash tank 7, all 1.0MPaG steam condensate (with the pressure of 0.8MPa and the temperature of 180 ℃) is introduced into the closed condensate flash tank 7, 0.13MPaG steam (about 16 t/h) is flashed from the top of the closed condensate flash tank 7 and introduced into a steam type lithium bromide refrigerating unit 8, and 280t/h of 125 ℃ hot water discharged from the bottom of the closed condensate flash tank 7 is pumped into the other two groups of hot water type lithium bromide refrigerating units 9 by using a variable frequency pump 10 for utilization. After the steam type lithium bromide refrigerating unit 8 utilizes the latent heat of 0.13MPaG steam which is a byproduct of the closed condensate flash tank 7 for refrigeration, 90 ℃ steam condensate which is discharged from the steam type lithium bromide refrigerating unit 8 passes through a condensate water recovery device and is pumped out by a pump to be converged with condensate of the hot water type lithium bromide refrigerating unit 9 to be discharged out of a boundary area.
High-temperature hot water (125 ℃) after the heat release of the 0.13MPaG closed condensate flash tank is flashed is sent into two groups of hot water type lithium bromide refrigerating unit 9 by a variable frequency pump 10, after the hot water type lithium bromide refrigerating unit 9 utilizes most of heat contained in 125 ℃ hot water to refrigerate, 90 ℃ hot water coming out of the hot water type lithium bromide refrigerating unit 9 and 90 ℃ hot water coming out of the steam type lithium bromide refrigerating unit 8 are converged into a whole and sent out of a boundary area.
High-temperature hot water at 90 ℃ from the steam type lithium bromide refrigerating unit 8 and the two hot water type lithium bromide refrigerating units 9 is converged to a main pipe, returns to a condensate main pipe, and is sent to other workshops for recycling after passing through the condensate buffer tank 2. The three waste heat refrigerating units can produce 2548m & lt 3 & gt/h of chilled water at the temperature of 3 ℃ in a common mode, and the chilled water is collected in a header pipe of DN800 and then is conveyed into the chilled water conveying device 6.
In the concrete implementation situation, the waste heat of 1.0MPa steam condensate (with the pressure of 0.8-0.9 MPaG and the temperature of 180 ℃) which is recovered to 300t/h is used for preparing chilled water with the temperature of 3 ℃, and a waste heat recovery lithium bromide unit is used for replacing the existing electric refrigerating unit to operate, so that the purposes of saving electricity and reducing the total energy consumption and the production cost of a company are achieved.
After the waste heat recovery unit is built and put into operation, the output refrigerating capacity is estimated to be about 23MW per hour, the electric energy can be saved by 2748.82 ten thousands kwh per year, which is equivalent to that standard coal 3378.30 tons (equivalent value) per year can be saved, the emission of CO2 emission can be reduced by 24307.8 tons per year, and the energy-saving and carbon-reducing effects are very obvious. The invention opens a new road for low-quality residual pressure and residual heat utilization of enterprises, and has great significance for energy conservation and consumption reduction of enterprises.
In order to ensure the independent normal operation of the whole system, corresponding control valves and corresponding detection instruments are respectively fixed on pipelines required by connecting each device, so that the normal conveying of the control pipelines and the detection of related data such as pressure, temperature, conveying capacity and the like in the output process are facilitated.
Main performance indexes and related experimental data of other equipment: the steam condensate pressure of 1.0MPa is 0.8-0.9 MPaG, the temperature is 180 ℃, and the flow is about 300t/h; the protocol finally can prepare the amount of 3 ℃ frozen water: 2548m3/h, steam pressure of a byproduct obtained by flashing 1.0MPa steam condensate: 0.13MPa, and the flow rate is 16t/h; the temperature of the steam condensate after flash evaporation is 125 ℃, and the flow rate is 280t/h; after the waste heat is recovered by the waste heat refrigerating unit, the final hot water outlet temperature is 90 ℃, and the flow is about 300t/h.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. 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 (9)
1. The utility model provides a refrigerated heat recovery system of steam condensate waste heat recovery, includes steam condensate house steward, the input fixed connection of steam condensate house steward output and condensate buffer tank, its characterized in that, be fixed with the valve unit that cuts off on the steam condensate house steward, the valve unit that cuts off is used for just beginning condensate waste heat refrigerating system device debugging and device maintenance, be fixed with output connection pipe and input connection pipe on the steam condensate house steward and set up respectively around the valve unit that cuts off, output connection pipe and input connection pipe respectively with steam condensate waste heat recovery refrigerating plant's input and output fixed connection, last fixedly connected with circulating water device of steam condensate waste heat recovery refrigerating plant and refrigerated water conveyor, the refrigerated water is prepared to a large amount of heat energy that the usable steam condensate of steam condensate waste heat recovery refrigerating plant contains, realizes heat recovery.
2. The heat energy recovery system for recovering and refrigerating the waste heat of the steam condensate according to claim 1, wherein the steam condensate waste heat recovery refrigerating device comprises a closed condensate flash tank, the closed condensate flash tank can separate saturated steam from high-temperature hot water, a steam type lithium bromide refrigerating unit is fixedly connected to a steam output end of the closed condensate flash tank, two groups of hot water type lithium bromide refrigerating units are fixedly connected to a high-temperature water output end of the closed condensate flash tank through a variable frequency pump, and the steam type lithium bromide refrigerating unit and the hot water type lithium bromide refrigerating unit can recover heat to refrigerate.
3. The system for recovering heat energy for refrigeration by recovering waste heat of steam condensate according to claim 2, wherein the steam type lithium bromide refrigeration unit and the hot water type lithium bromide refrigeration unit are respectively and fixedly connected with a chilled water conveying device and a circulating water device, and the chilled water conveying device and the circulating water device can enable the steam type lithium bromide refrigeration unit and the hot water type lithium bromide refrigeration unit to recover heat energy for refrigeration.
4. The system for recovering waste heat of steam condensate and refrigerating as claimed in claim 3, wherein the high temperature water output end of the closed condensate flash tank is further fixedly connected with a drainage conduit through a variable frequency pump, a gate valve and a liquid level regulating valve are fixed on the drainage conduit, the liquid level regulating valve can be adjusted and started according to a remote liquid level meter fixed on the closed condensate flash tank, so as to prevent the liquid level in the closed condensate flash tank from being too high, and the remote liquid level meter is fixed on the closed condensate flash tank.
5. The heat energy recovery system for recovering waste heat of steam condensate for refrigeration as claimed in claim 4, wherein the output ends of the steam type lithium bromide refrigeration unit, the hot water type lithium bromide refrigeration unit and the discharge conduit are fixedly connected with the input connecting pipe.
6. The heat energy recovery system for recovering waste heat of steam condensate for refrigeration as claimed in claim 5, wherein a manual exhaust pipe, a safety valve and a pressure regulating system are further fixed on the closed condensate flash tank, a valve is fixed on the manual exhaust pipe, manual operation of the valve can be performed for exhaust, the safety valve can achieve safe pressure relief, the jump-off pressure is 0.20 Mpa-0.25 Mpa, and the pressure regulating system can achieve pressure regulation in the closed condensate flash tank by automatically delivering saturated steam.
7. The heat energy recovery system for recovering and refrigerating the waste heat of the steam condensate according to claim 6, wherein the pressure regulating system comprises a pressure regulating connecting pipe, an open type condensing heat exchanger and an open type condensate water recovery device, the input end of the pressure regulating connecting pipe is fixedly communicated with the closed type condensate flash tank, a gate valve and a pressure regulating valve are fixed on the pressure regulating connecting pipe, the pressure regulating valve can be regulated and started according to a pressure transmission instrument on the closed type condensate flash tank to prevent the pressure in the closed type condensate flash tank from being too high, the output end of the pressure regulating connecting pipe is fixedly connected with the input end of the open type condensing heat exchanger, the output end of the open type condensing heat exchanger is fixedly connected with the open type condensate water recovery device, a circulating water device is fixedly connected with the open type condensing heat exchanger, an overflow pipeline and a pollution discharge pipeline are fixed on the open type condensate water recovery device, and the input end side of the open type condensate water recovery device is also fixedly connected with the output end of the steam type lithium bromide refrigerating unit.
8. The steam condensate waste heat recovery refrigeration heat energy recovery system of claim 7, wherein the circulating water device comprises a circulating water inlet pipe, a circulating water outlet pipe, a circulating water upper water header pipe and a circulating water return header pipe, an input end of the circulating water inlet pipe is fixedly connected with the circulating water upper water header pipe, and an output end of the circulating water outlet pipe is fixedly connected with the circulating water return header pipe.
9. The steam condensate waste heat recovery refrigeration heat energy recovery system of claim 7, wherein the chilled water delivery device comprises a chilled water inlet pipe, a chilled water outlet pipe, a chilled water supply main pipe and a chilled water return main pipe, the input end of the chilled water inlet pipe is fixedly connected with the chilled water supply main pipe, and the output end of the chilled water outlet pipe is fixedly connected with the chilled water return main pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564462.2U CN218065417U (en) | 2022-06-21 | 2022-06-21 | Heat energy recovery system for recovering waste heat of steam condensate for refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221564462.2U CN218065417U (en) | 2022-06-21 | 2022-06-21 | Heat energy recovery system for recovering waste heat of steam condensate for refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218065417U true CN218065417U (en) | 2022-12-16 |
Family
ID=84433125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221564462.2U Active CN218065417U (en) | 2022-06-21 | 2022-06-21 | Heat energy recovery system for recovering waste heat of steam condensate for refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218065417U (en) |
-
2022
- 2022-06-21 CN CN202221564462.2U patent/CN218065417U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863645B (en) | A kind of pipe network pressure energy of natural gas and cold recoverable utilize system | |
| CN104265381A (en) | Natural gas pipeline network variable-voltage generation and cooling system and method | |
| CN205002378U (en) | Oil field sewage waste heat recovery system | |
| CN206325247U (en) | Energy saving technique condensate liquid stripping system | |
| CN218065417U (en) | Heat energy recovery system for recovering waste heat of steam condensate for refrigeration | |
| CN102827623A (en) | Method and system for recycling waste heat of ammonia water | |
| CN201795634U (en) | Waste heat recovery energy saving apparatus for cooling | |
| CN209605253U (en) | 300MW and ratings above wet type cooling unit high back pressure and heat pump united heating system | |
| CN110185506B (en) | Pressure energy comprehensive utilization system of natural gas pressure regulating station | |
| CN207907342U (en) | A kind of energy and water saving type heat pump hot-water system | |
| CN207778546U (en) | Waste heat heat accumulation recovery system | |
| CN102322414A (en) | The air compressor unit that the cold and hot amount HQ high quality of a kind of inter-stage reclaims and stores | |
| CN202228310U (en) | Air compressor set for recycling and storing interstage cooling heat | |
| CN206637944U (en) | A kind of recovery reliquefaction installation for BOG | |
| CN109751652A (en) | 300MW and ratings above wet type cooling unit high back pressure and heat pump united heating system | |
| CN206928979U (en) | Natural gas power complementary energy synthesis utilizes system | |
| CN210089183U (en) | Device for transferring LNG cold energy by using phase-change refrigerant | |
| CN111102868B (en) | System and method for recycling waste heat of propane dehydrogenation device | |
| CN207751220U (en) | A kind of mixed alkanes reaction product swell refrigeration piece-rate system | |
| CN208108614U (en) | One kind being used for the liquefied pressure energy recovery system of ethane | |
| CN206129668U (en) | Centrifugation air compressor machine waste heat recovery system | |
| CN212082069U (en) | Steam recovery economizer system suitable for tire mill | |
| CN215598154U (en) | Power plant cooling tower filler deicing system | |
| CN104006374B (en) | Based on condensation water recovery system and the method for work of coagulation hydroenergy backwater heat exchanger | |
| CN206019055U (en) | A kind of cyclic ammonia water waste heat recovery unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 017418 west side of Yili Road, duguitala Town, Hangjin Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Ordos Xinrun Energy Co.,Ltd. Country or region after: China Address before: 017418 west side of Yili Road, duguitala Town, Hangjin Banner, Ordos City, Inner Mongolia Autonomous Region Patentee before: ORDOS CITY XINHANG ENERGY CO.,LTD. Country or region before: China |