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CN210030096U - High-temperature sewage heat exchange system - Google Patents

High-temperature sewage heat exchange system Download PDF

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Publication number
CN210030096U
CN210030096U CN201920322202.6U CN201920322202U CN210030096U CN 210030096 U CN210030096 U CN 210030096U CN 201920322202 U CN201920322202 U CN 201920322202U CN 210030096 U CN210030096 U CN 210030096U
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China
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fluid
sewage
flash
heat
heat exchanger
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CN201920322202.6U
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Chinese (zh)
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杨巍巍
姚颖
唐海涛
魏媛美
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BEIJING HYTM ENERGY SAVING EQUIPMENT Co Ltd
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BEIJING HYTM ENERGY SAVING EQUIPMENT Co Ltd
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Abstract

A high temperature wastewater heat exchange system comprising: the flash evaporator (1) and the heat exchanger (2) are communicated with each other; a sprayer (11) is arranged in the flash evaporator (1), and the sprayer (11) sprays high-temperature sewage into a flash evaporation chamber of the flash evaporator (1) so that the flash evaporator (1) flashes the high-temperature sewage to obtain steam; a fluid pipeline (21) is arranged in the heat exchanger (2); the fluid in the fluid line (21) exchanges heat with the steam to raise the temperature of the fluid in the fluid line. The embodiment of the utility model provides a pair of high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat, and the material that contains the solid is along with the sewage discharge after the flash distillation, can solve the adverse effect of solid matter to the heat transfer in the sewage, improves the utilization efficiency of sewage waste heat.

Description

High-temperature sewage heat exchange system
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective technique and specifically relates to a high temperature sewage heat transfer system is related to.
Background
High-temperature sewage exists in various industries, such as steel mill slag flushing water, textile printing and dyeing sewage and the like, and the sewage has high temperature and higher waste heat utilization value. However, the high-temperature sewage contains a large amount of solid substances, and if the high-temperature sewage is directly used for heat exchange, the heat exchanger is easy to block. Therefore, the high-temperature sewage is difficult to be directly utilized. Most of high-temperature sewage is directly precipitated and released without heat utilization, and energy waste is serious.
Although, there are some items for recovering waste heat, a large amount of solid matters contained in the sewage are filtered and then heat exchange is carried out. However, the filter is easily blocked and even damaged in this way, the heat exchanger is further affected, the blocking and heat exchange effects are reduced, and finally the corresponding overall effect is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat, and the material that contains the solid is along with the sewage discharge after the flash distillation, can solve the adverse effect of solid to the heat transfer in the sewage, improves the utilization efficiency of sewage waste heat.
In order to solve the above problem, the utility model provides a high temperature sewage heat transfer system, include: the flash evaporator and the heat exchanger are communicated with each other; a sprayer is arranged in the flash evaporator, and the sprayer sprays the high-temperature sewage into a flash evaporation chamber of the flash evaporator so that the flash evaporator can flash the high-temperature sewage to obtain steam; a fluid pipeline is arranged in the heat exchanger; fluid in the fluid pipeline is in heat exchange with the steam, so that the temperature of the fluid in the fluid pipeline is increased.
Further, a liquid blocking device is arranged at the communication position of the flash evaporator and the heat exchanger and used for absorbing liquid drops contained in the steam so as to reduce the humidity of the steam.
Furthermore, the liquid blocking device is a baffling liquid blocking plate.
Furthermore, the number of the flash evaporators is multiple;
further, the bottom of the flash chamber of the previous flash evaporator is communicated with a sprayer arranged in the next flash evaporator.
Further, the number of the heat exchangers is multiple; a plurality of heat exchangers are connected in series.
Further, the number of the heat exchangers is the same as that of the flash evaporators.
Further, the device also comprises an evaporator; the fluid line inlet of the first heat exchanger is communicated with the evaporator.
Further, a heater is also included; the heater is in communication with the outlet of the last heat exchanger fluid line.
Further, the device also comprises an evaporator, a heating fluid pipeline and a heater; the evaporator is respectively communicated with the fluid pipeline inlet of the first heat exchanger and the fluid pipeline outlet of the last heat exchanger; the heaters are respectively communicated with the inlet and the outlet of the heating fluid pipeline.
Further, the device also comprises a vacuum pump; the vacuum pump is communicated with the heat exchanger to pump out the non-condensable gas of the heat exchanger.
Further, the device also comprises a first pressure pump; the first pressure pump is communicated with the last flash evaporator and is used for discharging the fluid in the last flash evaporator.
The embodiment of the utility model provides a pair of high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low temperature fluid heaies up, can obtain high temperature sewage's heat, and the material that contains the solid is along with the sewage discharge after the flash distillation, can solve the adverse effect of solid matter to the heat transfer in the sewage, improves the utilization efficiency of sewage waste heat.
Drawings
FIG. 1 is a schematic structural view of a high-temperature sewage heat exchange system according to a first embodiment of the present invention;
FIG. 2a is a schematic structural view of a high temperature sewage heat exchange system according to a second embodiment of the present invention;
FIG. 2b is a schematic structural diagram of another high temperature sewage heat exchange system according to a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a high temperature sewage heat exchange system according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a high-temperature sewage heat exchange system according to a fourth embodiment of the present invention.
1: a flash evaporator; 11: a sprayer; 2: a heat exchanger; 21: a fluid line; 3: a liquid blocking device; 4: a heat pump; 41: an evaporator; 42: a heater; 5: a vacuum pump; 6: a first pressure pump; 7: a second pressure pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic structural view of a high-temperature sewage heat exchange system provided according to a first embodiment of the present invention.
As shown in fig. 1, the high-temperature sewage heat exchange system includes: the flash evaporator 1 and the heat exchanger 2 are communicated with each other; a sprayer 11 is arranged in the flash evaporator 1, and the sprayer 11 sprays the high-temperature sewage into a flash evaporation chamber of the flash evaporator 1, so that the flash evaporator 1 flashes the high-temperature sewage to obtain steam; a fluid pipeline 21 is arranged in the heat exchanger 2; the fluid in the fluid line 21 exchanges heat with the steam to raise the temperature of the fluid in the fluid line.
In a preferred embodiment, a liquid blocking device 3 is arranged at the position where the flash evaporator 1 is communicated with the heat exchanger 2 and is used for absorbing liquid drops contained in the steam, so that pollutants are prevented from entering the heat exchanger 2, and the heat exchange efficiency is reduced.
Optionally, the liquid blocking device 3 is a baffling liquid blocking plate.
Alternatively, the fluid enters the fluid line via a second pressure pump 7.
The utility model discloses in the high temperature sewage heat transfer system that the first embodiment provided, vacuum pump 5 indirectly with the indoor evacuation of heat transfer of heat exchanger 2, with the indoor evacuation of evaporation of flash vessel, the partial pressure of the interior vapor of evaporation chamber that makes the flash vessel reduces to make the boiling point of high temperature sewage reduce, further make high temperature sewage flash distillation. High-temperature sewage enters the flash evaporator 1 through the sprayer 11, high-temperature steam is obtained through flash evaporation under the negative pressure condition, the temperature of the sewage is reduced after the flash evaporation, the high-temperature steam enters the heat exchanger 2 to exchange heat with the low-temperature fluid in the fluid pipeline 21 after liquid drops contained in the steam are removed through the liquid blocking device 3, and the temperature of the low-temperature fluid is increased.
The utility model discloses a high temperature sewage heat transfer system that first embodiment provided utilizes the vacuum flash distillation principle, evaporates high temperature sewage in the flash vessel, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat, and the material that contains the solid is along with the sewage discharge after the flash distillation, can solve the adverse effect of solid matter to the heat transfer in the sewage, improves the utilization efficiency of sewage waste heat.
Fig. 2a is a schematic structural diagram of a high-temperature sewage heat exchange system according to a second embodiment of the present invention.
As shown in fig. 2a, the high temperature sewage heat exchange system includes: the flash evaporator 1 and the heat exchanger 2 are communicated with each other; a sprayer 11 is arranged in the flash evaporator 1, and the sprayer 11 sprays the high-temperature sewage into a flash evaporation chamber of the flash evaporator 1, so that the flash evaporator 1 flashes the high-temperature sewage to obtain steam; a fluid pipeline 21 is arranged in the heat exchanger 2; the fluid in the fluid line 21 exchanges heat with the steam to raise the temperature of the fluid in the fluid line.
In a preferred embodiment, a liquid blocking device 3 is arranged at the position where the flash evaporator 1 is communicated with the heat exchanger 2 and is used for absorbing liquid drops contained in the steam, so that pollutants are prevented from entering the heat exchanger 2, and the heat exchange efficiency is reduced.
The optional liquid-stop device 3 is a baffling liquid-stop plate.
In a specific embodiment, the number of the flash evaporators 1 is plural, and the plural flash evaporators 1 are connected in series. For example, the bottom of the flash chamber of the previous flash evaporator 1 is communicated with the sprayer 11 arranged in the next flash evaporator 1 to perform step evaporation, so that the high-temperature sewage is cooled in multiple stages, different pressure and temperature intervals can be formed, the sewage is cooled greatly, and more heat is obtained.
In a preferred embodiment, the heat exchanger 2 is provided in plurality, and the plurality of heat exchangers 2 are connected in series. For example, the outlet of the fluid line 21 of the previous heat exchanger communicates with the inlet of the fluid line 21 of the next heat exchanger; the gradient heat exchange between the steam and the fluid in the fluid pipeline is realized, so that the temperature of the fluid in the fluid pipeline 21 is increased in a gradient manner, and the utilization efficiency of the sewage waste heat is improved.
Alternatively, a very large heat exchanger may be used, with a fluid line disposed within it. One very large heat exchanger is in communication with a plurality of flash evaporators, see fig. 2 b.
Optionally, the number of the heat exchangers 2 is the same as that of the flash evaporators 1.
Preferably, the flow direction of the high temperature sewage is opposite to the flow direction of the fluid in the fluid pipeline 21, so as to better realize the heat exchange.
The utility model discloses in the high temperature sewage heat transfer system that the second embodiment provided, the sewage of high temperature passes through 11 entering flash vessel 1 of shower, and flash vessel 1 obtains high temperature vapor to high temperature sewage flash distillation, and sewage descends through the temperature behind the flash distillation, and high temperature vapor gets into in the heat exchanger 2 with the low temperature fluid heat transfer in the fluid pipeline 21 after liquid blocking device 3 gets rid of the liquid drop that steam contains for low temperature fluid heaies up. Then, the sewage after the first flash evaporation enters a sprayer of a second flash evaporator through a pipeline, is subjected to flash evaporation again to obtain steam, and exchanges heat with the fluid pipeline 21 through a liquid blocking device, so that stepped heat exchange is realized.
The embodiment of the utility model provides a pair of high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat. On the one hand, the solid-containing substance is discharged along with the sewage after flash evaporation, so that the adverse effect of the solid substance in the sewage on heat exchange can be solved, and the utilization efficiency of the sewage waste heat is improved. On the other hand, a plurality of flash evaporators are adopted for gradient flash evaporation, and a plurality of heat exchangers are adopted for multi-stage heating of low-temperature fluid, so that the heat energy of the sewage is fully utilized.
Fig. 3 is a schematic structural view of a high-temperature sewage heat exchange system provided according to a third embodiment of the present invention.
The utility model discloses the high temperature sewage heat transfer system that third embodiment provided includes: the flash evaporator 1 and the heat exchanger 2 are communicated with each other; a sprayer 11 is arranged in the flash evaporator 1, and the sprayer 11 sprays the high-temperature sewage into a flash evaporation chamber of the flash evaporator 1, so that the flash evaporator 1 flashes the high-temperature sewage to obtain steam; a fluid pipeline 21 is arranged in the heat exchanger 2; the fluid in the fluid line 21 exchanges heat with the steam to raise the temperature of the fluid in the fluid line.
The optional liquid-stop device 3 is a baffling liquid-stop plate.
In a specific embodiment, the number of the flash evaporators 1 is plural, and the plural flash evaporators 1 are connected in series. For example, the bottom of the flash chamber of the previous flash evaporator 1 is communicated with the sprayer 11 arranged in the next flash evaporator 1 to perform step evaporation, so that the high-temperature sewage is cooled in multiple stages, different temperature intervals can be formed, the sewage is cooled greatly, and more heat is obtained.
In a preferred embodiment, the heat exchanger 2 is provided in plurality, and the plurality of heat exchangers 2 are connected in series. For example, the outlet of the fluid line 21 of the previous heat exchanger communicates with the inlet of the fluid line 21 of the next heat exchanger; the gradient heat exchange between the steam and the fluid in the fluid pipeline is realized, so that the temperature of the fluid in the fluid pipeline 21 is increased in a gradient manner, and the utilization efficiency of the sewage waste heat is improved.
Optionally, the number of the heat exchangers 2 is the same as that of the flash evaporators 1.
Preferably, the flow direction of the high temperature sewage is opposite to the flow direction of the fluid in the fluid pipeline 21, so as to better realize the heat exchange.
The utility model discloses the high temperature sewage heat transfer system that third embodiment provided still includes: heat pump 4, heat pump 4 includes evaporator 41. The evaporator 41 communicates with the inlet of the fluid line 21 of the first heat exchanger 2. The fluid to be heated is evaporated by the evaporator 41, so that the fluid to be heated enters the first heat exchanger through the fluid pipeline 21 of the first heat exchanger after being cooled, and is heated greatly after heat exchange by the plurality of heat exchangers.
In a preferred embodiment, the heat pump 4 further comprises a heater 42; the heater 42 communicates with the outlet of the fluid line 21 of the last heat exchanger 2. The heated fluid is heated by the heater 42, and the temperature of the fluid is further raised, so that the temperature of the fluid is higher, and the utilization of the high-temperature fluid can be met.
It should be noted that the utility model discloses contain heat pump 4 among the high temperature sewage heat transfer system that the third embodiment provided, applicable in little difference in temperature heating mode, the temperature of the fluid when heating is higher, and is less with the difference in temperature of sewage, and the system that adopts the second embodiment to provide probably can't retrieve the waste heat in a large number, consequently sets up heat pump 4 to form low temperature cold flow body. Through this kind of setting, can improve the utilization ratio of sewage. In detail, assuming that the temperature of the sewage is 60 ℃ and the temperature of the fluid to be heated is 50 ℃, if the system of the second embodiment is used for direct heating, the temperature of the sewage is reduced to a temperature higher than 50 ℃, the temperature of the heated fluid does not exceed 60 ℃, and the temperature reduction range of the sewage is small. After the heat pump is added, if the temperature of the fluid to be heated at 50 ℃ is reduced to 30 ℃, the sewage can be reduced by 20 ℃ more (the energy of 20 ℃ more is released), the temperature of the fluid to be heated can be higher than the temperature of the sewage, and the heat utilization rate of the sewage is greatly improved.
Alternatively, the heat pump in the third embodiment may be a compression heat pump, or may be an absorption heat pump.
In an alternative embodiment, the system further comprises a vacuum pump 5; the vacuum pump 5 is communicated with the heat exchanger 2 and pumps out the non-condensable gas in the heat exchanger 2.
In an alternative embodiment, the system further comprises a first pressure pump 6; a first pressure pump 6 is in communication with the last heat exchanger 2 for discharging the fluid in the last flash vessel 1.
The embodiment of the utility model provides a pair of high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat. On the one hand, solid substances are discharged along with sewage after flash evaporation, the adverse effect of the solid substances in the sewage on heat exchange can be solved, and the utilization efficiency of sewage waste heat is improved. In the second aspect, a plurality of flash evaporators are adopted for gradient flash evaporation, and a plurality of heat exchangers are adopted for multi-stage heating of low-temperature fluid, so that the heat energy of sewage is fully utilized. The third aspect, the utility model discloses the system that the third embodiment provided is provided with the heat pump, can realize the heat transfer of little difference in temperature, can realize retrieving the waste heat of high temperature sewage in a large number.
Fig. 4 is a schematic structural view of a high-temperature sewage heat exchange system provided by a fourth embodiment of the present invention.
The utility model discloses the high temperature sewage heat transfer system that the fourth embodiment provided includes: the flash evaporator 1 and the heat exchanger 2 are communicated with each other; a sprayer 11 is arranged in the flash evaporator 1, and the sprayer 11 sprays the high-temperature sewage into a flash evaporation chamber of the flash evaporator 1, so that the flash evaporator 1 flashes the high-temperature sewage to obtain steam; a fluid pipeline 21 is arranged in the heat exchanger 2; the fluid in the fluid line 21 exchanges heat with the steam to raise the temperature of the fluid in the fluid line.
The optional liquid-stop device 3 is a baffling liquid-stop plate.
In a specific embodiment, the number of the flash evaporators 1 is plural, and the plural flash evaporators 1 are connected in series. For example, the bottom of the flash chamber of the previous flash evaporator 1 is communicated with the sprayer 11 arranged in the next flash evaporator 1 to perform step evaporation, so that the high-temperature sewage is cooled in multiple stages, different temperature intervals can be formed, the sewage is cooled greatly, and more heat is obtained.
In a preferred embodiment, the heat exchanger 2 is provided in plurality, and the plurality of heat exchangers 2 are connected in series. For example, the outlet of the fluid line 21 of the previous heat exchanger communicates with the inlet of the fluid line 21 of the next heat exchanger; the gradient heat exchange between the steam and the fluid in the fluid pipeline is realized, so that the temperature of the fluid in the fluid pipeline 21 is increased in a gradient manner, and the utilization efficiency of the sewage waste heat is improved.
Optionally, the number of the heat exchangers 2 is the same as that of the flash evaporators 1.
Preferably, the flow direction of the high temperature sewage is opposite to the flow direction of the fluid in the fluid pipeline 21, so as to better realize the heat exchange.
The utility model discloses the high temperature sewage heat transfer system that fourth embodiment provided still includes: the heat pump 4, the heat pump 4 includes an evaporator 41, a heating line and a heater 42. The evaporator 41 is respectively communicated with the inlet of the fluid pipeline 21 of the first heat exchanger 2 and the outlet of the fluid pipeline of the last heat exchanger 2 to form a fluid closed loop; the heater 42 communicates with the inlet and outlet of the heating fluid line, respectively. So that the fluid closed circuit heats the heating fluid. The fluid to be heated is evaporated through the evaporator 41, so that the fluid to be heated enters the first heat exchanger through the fluid pipeline 21 of the first heat exchanger after being cooled, is heated greatly after heat exchange of the plurality of heat exchangers, is cooled again, and the process is circulated. After the temperature of the fluid to be heated is raised, the fluid to be heated exchanges heat with the heating fluid, so that the temperature of the heating fluid is raised, and the heating fluid is heated by the heater 42, so that the temperature in the heating fluid is further raised, the temperature of the fluid is higher, and the utilization of the high-temperature fluid can be met.
It should be noted that the heat pump 4 is included in the high-temperature sewage heat exchange system provided by the fourth embodiment of the present invention, the heated fluid can be isolated from the intermediate fluid (the fluid between the heat exchange system and the heat pump 4), and the heat exchange system is suitable for the situation that the two fluid components are different or the temperatures are not matched.
Alternatively, the heat pump in the fourth embodiment may be a compression heat pump, or may be an absorption heat pump.
In an alternative embodiment, the system further comprises a vacuum pump 5; the vacuum pump 5 is communicated with the heat exchanger 2 and pumps out the non-condensable gas in the heat exchanger 2.
In an alternative embodiment, the system further comprises a first pressure pump 6; a first pressure pump 6 is in communication with the last heat exchanger 2 for discharging the fluid in the last flash vessel 1.
In an alternative embodiment, the system is provided with a drain arranged at the bottom of the last heat exchanger. In this embodiment, the system may be located at a high level above the ground, for example, 10 meters above the ground at the lowest level of the system, so that the fluid in the last heat exchanger flows out through the drain port by gravity.
The embodiment of the utility model provides a pair of high temperature sewage heat transfer system utilizes the flash vessel with high temperature sewage flash distillation, obtains vapor, recycles vapor and microthermal fluid heat transfer for low-temperature fluid heaies up, can obtain high temperature sewage's heat. On the one hand, solid substances are discharged along with sewage after flash evaporation, the adverse effect of the solid substances in the sewage on heat exchange can be solved, and the utilization efficiency of sewage waste heat is improved. In the second aspect, a plurality of flash evaporators are adopted for gradient flash evaporation, and a plurality of heat exchangers are adopted for multi-stage heating of low-temperature fluid, so that the heat energy of sewage is fully utilized. In a third aspect, the present invention provides a system provided with a heat pump, which can isolate a heated fluid from an intermediate fluid (a fluid between a heat exchange system and the heat pump 4), and is suitable for the situation where two fluids have different compositions or are not matched in temperature.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (10)

1. A high temperature sewage heat exchange system, characterized by includes: the flash evaporator (1) and the heat exchanger (2) are communicated with each other;
a sprayer (11) is arranged in the flash evaporator (1), and the sprayer (11) sprays high-temperature sewage into a flash evaporation chamber of the flash evaporator (1) so that the flash evaporator (1) flashes the high-temperature sewage to obtain steam;
a fluid pipeline (21) is arranged in the heat exchanger (2); the fluid in the fluid line (21) exchanges heat with the steam to raise the temperature of the fluid in the fluid line.
2. A high-temperature sewage heat exchange system according to claim 1, wherein a liquid blocking device (3) is arranged at the communication position of the flash evaporator (1) and the heat exchanger (2) and is used for absorbing liquid drops contained in the steam so as to reduce the humidity of the steam.
3. A high temperature wastewater heat exchange system according to claim 2, wherein the liquid baffle means (3) is a baffling liquid baffle.
4. A high-temperature sewage heat exchange system according to claim 1, wherein the number of the flash evaporators (1) is plural;
the bottom of the flash chamber of the previous flash evaporator (1) is communicated with a sprayer (11) arranged in the next flash evaporator (1).
5. A high temperature sewage heat exchange system according to claim 4 wherein the heat exchanger (2) is plural;
the plurality of heat exchangers (2) are connected in series.
6. A high temperature sewage heat exchange system according to claim 5, wherein the number of the heat exchangers (2) is the same as the number of the flash evaporators (1).
7. A high temperature sewage heat exchange system according to claim 5 or 6 further comprising an evaporator (41);
the evaporator (41) is communicated with the inlet of the fluid pipeline (21) of the first heat exchanger (2).
8. A hot water heat exchange system according to claim 7, further comprising a heater (42);
the heater (42) is communicated with the outlet of the fluid pipeline (21) of the last heat exchanger (2).
9. A high temperature sewage heat exchange system according to claim 5 or 6, further comprising an evaporator (41), a heating fluid line and a heater (42);
the evaporator (41) is respectively communicated with the inlet of the fluid pipeline (21) of the first heat exchanger (2) and the outlet of the fluid pipeline of the last heat exchanger (2);
the heater (42) is in communication with the inlet and outlet of the heated fluid line, respectively.
10. A high temperature sewage heat exchange system according to claim 1 further comprising a vacuum pump (5);
the vacuum pump (5) is communicated with the heat exchanger (2) and used for pumping out the non-condensable gas of the heat exchanger (2).
CN201920322202.6U 2019-03-13 2019-03-13 High-temperature sewage heat exchange system Active CN210030096U (en)

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Application Number Priority Date Filing Date Title
CN201920322202.6U CN210030096U (en) 2019-03-13 2019-03-13 High-temperature sewage heat exchange system

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Application Number Priority Date Filing Date Title
CN201920322202.6U CN210030096U (en) 2019-03-13 2019-03-13 High-temperature sewage heat exchange system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504097A (en) * 2020-04-27 2020-08-07 哈尔滨工大金涛科技股份有限公司 External connection straight-through type phase change heat exchange device
CN112777662A (en) * 2021-02-01 2021-05-11 哈尔滨工大金涛科技股份有限公司 Multi-medium flash evaporation device based on simultaneous utilization of multiple hot waste water
CN113175770A (en) * 2021-04-26 2021-07-27 清华大学 Orifice plate type liquid blocking device
CN114198736A (en) * 2021-11-19 2022-03-18 山东鲁润热能科技有限公司 Vacuum phase-change flash evaporation condensation heat and water taking device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111504097A (en) * 2020-04-27 2020-08-07 哈尔滨工大金涛科技股份有限公司 External connection straight-through type phase change heat exchange device
CN111504097B (en) * 2020-04-27 2023-11-14 哈尔滨工大金涛科技股份有限公司 Externally-connected straight-through phase change heat exchange device
CN112777662A (en) * 2021-02-01 2021-05-11 哈尔滨工大金涛科技股份有限公司 Multi-medium flash evaporation device based on simultaneous utilization of multiple hot waste water
CN113175770A (en) * 2021-04-26 2021-07-27 清华大学 Orifice plate type liquid blocking device
CN114198736A (en) * 2021-11-19 2022-03-18 山东鲁润热能科技有限公司 Vacuum phase-change flash evaporation condensation heat and water taking device

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