CN212269517U - Pure hot distilled water preparation facilities - Google Patents
Pure hot distilled water preparation facilities Download PDFInfo
- Publication number
- CN212269517U CN212269517U CN202021637508.XU CN202021637508U CN212269517U CN 212269517 U CN212269517 U CN 212269517U CN 202021637508 U CN202021637508 U CN 202021637508U CN 212269517 U CN212269517 U CN 212269517U
- Authority
- CN
- China
- Prior art keywords
- stage
- outlet
- evaporator
- inlet
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a pure hot distilled water preparation facilities, include: each stage of evaporator comprises a secondary steam outlet and a heating steam inlet, and the secondary steam outlet of the Mth stage of evaporator in the N stages of evaporators is communicated with the heating steam inlet of the M-1 stage of evaporator; the system comprises N-1 levels of heaters, each level of heater comprises a water inlet to be heated, a water outlet to be heated and a steam inlet, wherein the water inlet to be heated of the M-1 level of heater in the N-1 level of heater is communicated with the water outlet to be heated of the M-2 level of heater, the steam inlet of the M-1 level of heater is communicated with the secondary steam outlet of the M level of evaporator, and the water outlet to be heated of the N-1 level of heater is communicated with a heat supply pipe network; the condenser comprises a steam inlet and a condensed water outlet, the steam inlet of the condenser is communicated with the secondary steam outlet of the 1 st-stage evaporator, and the condensed water outlet of the condenser is communicated with the water inlet of the 1 st-stage heater to be heated; wherein N is more than or equal to 2, N is more than or equal to M is more than or equal to 1, and M and N are integers.
Description
Technical Field
The utility model belongs to sea water desalination and central heating field especially relate to a pure hot distilled water preparation facilities.
Background
With the rapid development of the economic society of China and the continuous promotion of the urbanization process, the shortage of water resources becomes an important factor for restricting the sustainable development of the social economy of China. The per capita water resource amount of China is only one fourth of the per capita water resource amount of the world, and is one of the most scarce countries of the per capita water resource of the world. Seawater desalination is an effective means for increasing water resource from the source, is an important approach and strategic selection for solving the water resource shortage in China, and is also a necessary requirement for ensuring national safety and sustainable development. The seawater desalination technology is developed rapidly in recent years, wherein the seawater desalination technologies such as a distillation method, a reverse osmosis method and the like are mature day by day and are applied more and more widely in vast coastal areas of China, but the desalination cost of the technologies is generally higher at present, and how to greatly reduce the running energy cost is urgent for the development of the technologies.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing a preparation facilities that can produce pure hot distilled water when heat supply in order to reduce the cost of preparing the pure water.
(II) technical scheme
In order to solve the above problems, a first aspect of the present invention provides a pure hot distilled water preparing apparatus, comprising: the evaporator comprises N stages of evaporators, each stage of evaporator comprises a secondary steam outlet and a heating steam inlet, and the secondary steam outlet of the Mth stage of evaporator in the N stages of evaporators is communicated with the heating steam inlet of the M-1 th stage of evaporator; the device comprises N-1 stages of heaters, wherein each stage of heater comprises a water inlet to be heated, a water outlet to be heated and a steam inlet, the water inlet to be heated of the M-1 th stage of heater in the N-1 stages of heaters is communicated with the water outlet to be heated of the M-2 th stage of heater, the steam inlet of the M-1 th stage of heater is communicated with the secondary steam outlet of the M-1 th stage of evaporator, and the water outlet to be heated of the N-1 th stage of heater is communicated with a heat supply pipe network; the condenser comprises a steam inlet and a condensed water outlet, the steam inlet of the condenser is communicated with the secondary steam outlet of the 1 st-stage evaporator, and the condensed water outlet of the condenser is communicated with the water inlet of the 1 st-stage heater to be heated; wherein N is more than or equal to 2, N is more than or equal to M is more than or equal to 1, and M and N are integers.
Further, still include: the system comprises N-1 stages of preheaters, an evaporator and a condenser, wherein each stage of preheater comprises a preheating liquid outlet, a steam inlet and a condensed water outlet, and the evaporator also comprises a liquid inlet to be evaporated; and a preheating liquid outlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a liquid inlet to be evaporated of the M stage evaporator, a steam inlet of the M-1 stage preheater is communicated with a secondary steam outlet of the M stage evaporator, and a condensed water outlet of the M-1 stage preheater is communicated with a water pipeline to be heated of the M-1 stage heater.
Further, each stage of the preheater further comprises a preheating liquid inlet, and the condenser further comprises a cooling liquid pipeline outlet; and a preheating liquid inlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a preheating liquid outlet of an M-2 stage preheater, and a preheating liquid inlet of the 1 stage preheater is communicated with a cooling liquid pipeline outlet of the condenser.
Further, still include: and the cooling liquid direct discharging pipeline is communicated with the cooling liquid pipeline outlet of the condenser and is used for adjusting the flow of pure hot distilled water at the water outlet of the N-1 th-level heater to be heated.
Further, each stage of the evaporator also comprises a concentrated liquid outlet and a flash liquid inlet; and a concentrated liquid outlet of the M-th evaporator in the N-stage evaporator is communicated with a flash liquid inlet of the M-1-th evaporator.
Further, still include: the condenser comprises a heat exchanger, a condenser and a condenser, wherein the heat exchanger comprises a heat medium inlet and a cold medium outlet, and the condenser further comprises a cooling liquid pipeline inlet; and a hot medium inlet of the heat exchanger is communicated with a concentrated solution outlet of the 1 st-stage evaporator, and a cold medium outlet of the heat exchanger is communicated with a cooling liquid pipeline inlet of the condenser.
Further, the heat exchanger is a dividing wall type heat exchanger.
Furthermore, each stage of the heater is a dividing wall type heat exchanger, and each stage of the heater also comprises a condensed water outlet; and a condensed water outlet of an M-1 stage heater in the N-1 stage heater is communicated with a water outlet to be heated of the M-1 stage heater.
Further, the condenser and the 1 st stage evaporator are disposed in one housing.
According to another aspect of the present invention, there is provided a method for preparing pure hot distilled water, which is obtained by distilling a liquid using the apparatus according to any one of the above embodiments; the liquid is at least one of the following: sea water, river water, lake water, groundwater, sewage, wastewater, and reclaimed water.
(III) advantageous effects
The above technical scheme of the utility model has following profitable technological effect:
the device of the utility model combines the pure water preparation and the centralized heating, produces the pure water while supplying heat, and utilizes the heating pipe network to convey the fresh water to the urban area, realizes the simultaneous production and the simultaneous delivery of the heat and the fresh water, effectively utilizes the heat consumed by the pure water preparation, and obtains the pure water without extra energy consumption, thereby greatly reducing the cost of preparing the pure water; and above-mentioned device utilizes heat supply pipe network to carry the pure water of making to the urban district, has reduced conveying cost by a wide margin.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the inlet and outlet of the heater in the case of a dividing wall type heat exchanger;
fig. 3 is a schematic structural diagram of a device according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fifth apparatus according to an embodiment of the present invention.
Reference numerals:
1: an evaporator; 2: a condenser; 3: a heater; 4: a preheater; 5: a heat exchanger; 1-1: an inlet of a solution to be evaporated; 1-2: a concentrated solution outlet; 1-3: a heating steam inlet; 1-4: a condensed water outlet; 1-5: a secondary steam outlet; 2-1: a coolant line inlet; 2-2: a coolant line outlet; 2-3: a steam inlet; 2-4: a condensed water outlet; 3-1: a water inlet to be heated; 3-2: an outlet for water to be heated; 3-3: a steam inlet; 3-4: a condensed water outlet; 4-1: a preheating liquid inlet; 4-2: a preheated liquid outlet; 4-3: a steam inlet; 4-4: a condensed water outlet; 5-1: a cold medium inlet; 5-2: a cold medium outlet; 5-3: a heat medium inlet; 5-4: a thermal medium outlet; 6: and a cooling liquid direct discharge pipeline.
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.
It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In a first aspect of the embodiments of the present invention, there is provided a pure hot distilled water preparing apparatus, comprising: the evaporator comprises N stages of evaporators, each stage of evaporator comprises a secondary steam outlet and a heating steam inlet, and the secondary steam outlet of the Mth stage of evaporator in the N stages of evaporators is communicated with the heating steam inlet of the M-1 th stage of evaporator; the device comprises N-1 stages of heaters, wherein each stage of heater comprises a water inlet to be heated, a water outlet to be heated and a steam inlet, the water inlet to be heated of the M-1 th stage of heater in the N-1 stages of heaters is communicated with the water outlet to be heated of the M-2 th stage of heater, the steam inlet of the M-1 th stage of heater is communicated with the secondary steam outlet of the M-1 th stage of evaporator, and the water outlet to be heated of the N-1 th stage of heater is communicated with a heat supply pipe network; the condenser comprises a steam inlet and a condensed water outlet, the steam inlet of the condenser is communicated with the secondary steam outlet of the 1 st-stage evaporator, and the condensed water outlet of the condenser is communicated with the water inlet of the 1 st-stage heater to be heated; wherein N is more than or equal to 2, N is more than or equal to M is more than or equal to 1, and M and N are integers.
China's central heating network is very developed and is distributed throughout every corner of a city. In particular, in recent years, long-distance heat supply networks have been developed rapidly, and the longest distance has reached nearly hundred kilometers. The embodiment is that the utility model combines the pure water preparation with the centralized heating, produces the pure water while supplying heat, and utilizes the heating pipe network to convey the fresh water to the urban area, realizes the simultaneous production and delivery of heat and fresh water, effectively utilizes the heat consumed by the pure water preparation, and obtains the pure water without extra energy consumption, thereby greatly reducing the cost of preparing the pure water; and above-mentioned embodiment device utilizes the heat supply pipe network to carry the pure water of making to urban area, has reduced conveying cost by a wide margin.
Optionally, the method further includes: the system comprises N-1 stages of preheaters, an evaporator and a condenser, wherein each stage of preheater comprises a preheating liquid outlet, a steam inlet and a condensed water outlet, and the evaporator also comprises a liquid inlet to be evaporated; and a preheating liquid outlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a liquid inlet to be evaporated of the M stage evaporator, a steam inlet of the M-1 stage preheater is communicated with a secondary steam outlet of the M stage evaporator, and a condensed water outlet of the M-1 stage preheater is communicated with a water pipeline to be heated of the M-1 stage heater.
Optionally, each stage of the preheater further comprises a preheating liquid inlet, and the condenser further comprises a cooling liquid pipeline outlet; and a preheating liquid inlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a preheating liquid outlet of an M-2 stage preheater, and a preheating liquid inlet of the 1 stage preheater is communicated with a cooling liquid pipeline outlet of the condenser.
Optionally, the method further includes: and the cooling liquid direct discharging pipeline is communicated with the cooling liquid pipeline outlet of the condenser and is used for adjusting the flow of pure hot distilled water at the water outlet of the N-1 th-level heater to be heated.
Optionally, each stage of the evaporator further comprises a concentrated liquid outlet and a flash liquid inlet; and a concentrated liquid outlet of the M-th evaporator in the N-stage evaporator is communicated with a flash liquid inlet of the M-1-th evaporator.
Optionally, the method further includes: the condenser comprises a heat exchanger, a condenser and a condenser, wherein the heat exchanger comprises a heat medium inlet and a cold medium outlet, and the condenser further comprises a cooling liquid pipeline inlet; and a hot medium inlet of the heat exchanger is communicated with a concentrated solution outlet of the 1 st-stage evaporator, and a cold medium outlet of the heat exchanger is communicated with a cooling liquid pipeline inlet of the condenser.
Optionally, the heat exchanger is a dividing wall type heat exchanger.
Optionally, each stage of the heater is a dividing wall type heat exchanger, and each stage of the heater further comprises a condensed water outlet; and a condensed water outlet of an M-1 stage heater in the N-1 stage heater is communicated with a water outlet to be heated of the M-1 stage heater.
Optionally, the condenser and the stage 1 evaporator are disposed in a single housing.
In another aspect of the embodiments of the present invention, there is provided a method for preparing pure hot distilled water, wherein the pure hot distilled water is obtained by distilling liquid by using the apparatus of any one of the above embodiments; the liquid is at least one of the following: sea water, river water, lake water, groundwater, sewage, wastewater, and reclaimed water.
The first embodiment is as follows:
fig. 1 is a schematic structural diagram of a device according to a first embodiment of the present invention.
In this embodiment, a distillation-type hydrothermal cogeneration apparatus is provided, which is specifically applied to seawater desalination and urban heating, and includes an N-stage evaporator 1(N is greater than or equal to 2), a condenser 2, an (N-1) -stage heater 3, and a connecting pipeline. Each stage of evaporator 1 is a dividing wall type heat exchanger and comprises a liquid inlet 1-1 (from which seawater enters the device), a concentrated liquid outlet 1-2, a heating steam inlet 1-3, a condensed water outlet 1-4 and a secondary steam outlet 1-5; the condenser 2 is a dividing wall type heat exchanger and comprises a cooling liquid pipeline inlet 2-1 (from which seawater enters the device), a cooling liquid pipeline outlet 2-2, a steam inlet 2-3 and a condensed water outlet 2-4; the heater 3 is a mixed heat exchanger or a dividing wall type heat exchanger and comprises a water inlet 3-1 to be heated, a water outlet 3-2 to be heated and a steam inlet 3-3. A secondary steam outlet 1-5 of the 1 st-stage evaporator 1 is connected with a steam inlet 2-3 of the condenser 2; a condensed water outlet 2-4 of the condenser 2 is connected with a water inlet 3-1 of the 1 st-stage heater 3 to be heated; the outlet 3-2 of the water to be heated of the 1 st-stage heater 3 is connected with the inlet 3-1 of the water to be heated of the 2 nd-stage heater 3, the outlet 3-2 of the water to be heated of the 2 nd-stage heater 3 is connected with the inlet 3-1 of the water to be heated of the 3 rd-stage heater 3, … …, the outlet 3-2 of the water to be heated of the N-2 nd-stage heater 3 is connected with the inlet 3-1 of the water to be heated of the N-1 st-stage heater 3; a heating steam inlet 1-3 of a 1 st-stage evaporator 1 and a steam inlet 3-3 of a 1 st-stage heater 3 are connected with a secondary steam outlet 1-5 of a 2 nd-stage evaporator 1, a heating steam inlet 1-3 of the 2 nd-stage evaporator 1 and a steam inlet 3-3 of the 2 nd-stage heater 3 are connected with a secondary steam outlet 1-5 of a 3 rd-stage evaporator 1, … …, and a heating steam inlet 1-3 of an N-1 st-stage evaporator 1 and a steam inlet 3-3 of an N-1 st-stage heater 3 are connected with a secondary steam outlet 1-5 of an N-stage evaporator 1; the 1 st-stage evaporator 1 condensed water outlet 1-4 is connected with the 1 st-stage heater 3 shell or the 1 st-stage heater 3 water inlet 3-1 or the 1 st-stage heater 3 water outlet 3-2, the 2 nd-stage evaporator 1 condensed water outlet 1-4 is connected with the 2 nd-stage heater 3 shell or the 2 nd-stage heater 3 water inlet 3-1 or the 2 nd-stage heater 3 water outlet 3-2, … …, the N-1 st-stage evaporator 1 condensed water outlet 1-4 is connected with the N-1 st-stage heater 3 shell or the N-1 st-stage heater 3 water inlet 3-1 or the N-1 st-stage heater 3 water outlet 3-2.
As shown in FIG. 2, when the heater 3 is a dividing wall type heat exchanger, it further comprises a condensed water outlet 3-4, and the condensed water outlet 3-4 is connected to the water outlet 3-2 to be heated.
The working process of the distillation type hydrothermal coproduction process flow comprises the following steps: seawater enters each stage of evaporator 1 through a liquid inlet 1-1 to be evaporated, is heated by steam to generate secondary steam, and flows out from a concentrated liquid outlet 1-2 after being concentrated. The secondary steam generated by the 1 st-stage evaporator 1 enters the condenser 2 to heat the seawater, and the heat released by the secondary steam is condensed into condensed water which flows out from a condensed water outlet 2-4; one path of secondary steam generated by the 2 nd-level evaporator 1 enters the 1 st-level evaporator 1 as heating steam, the secondary steam is self-released and condensed into condensed water which flows out from a condensed water outlet 1-4, the other path of secondary steam enters the 1 st-level heater 3 to heat the condenser 2 and the condensed water generated by the 1 st-level evaporator 1, and the secondary steam is self-condensed into the condensed water which is mixed into the condenser 2 and the condensed water generated by the 1 st-level evaporator 1; by analogy, one path of secondary steam generated by the Nth-stage evaporator 1 enters the Nth-1-stage evaporator 1 to be used as heating steam, the secondary steam is self-released and condensed into condensed water which flows out from a condensed water outlet 1-4, the other path of secondary steam enters the Nth-1-stage heater 3 to heat the condenser 2 and the condensed water generated by the front-stage evaporators 1, and the secondary steam is self-condensed into the condensed water which is mixed with the condenser 2 and the condensed water generated by the front-stage evaporators 1. The hot water flowing out of the outlet 3-2 of the water to be heated of the N-1 level heater 3 is the fresh hot water generated by the process flow and is output to a heat and water user or is output to the heat and water user after further heating treatment.
Example two:
fig. 3 is a schematic structural diagram of a device according to a second embodiment of the present invention.
Compared with the first embodiment, the first embodiment is additionally provided with the N-1 stage preheater 4 on the basis of the first embodiment, and the preheater 4 is a dividing wall type heat exchanger and comprises a preheating liquid inlet 4-1, a preheating liquid outlet 4-2, a steam inlet 4-3 and a condensed water outlet 4-4. A preheating liquid outlet 4-2 of a 1 st-stage preheater 4 is connected with a to-be-evaporated liquid inlet 1-1 of a 2 nd-stage evaporator, a preheating liquid outlet 4-2 of the 2 nd-stage preheater 4 is connected with a to-be-evaporated liquid inlet 1-1 of a 3 rd-stage evaporator, … …, and a preheating liquid outlet 4-2 of an N-1 st-stage preheater 4 is connected with a to-be-evaporated liquid inlet 1-1 of an N-stage evaporator; a steam inlet 4-3 of the 1 st-stage preheater is connected with a secondary steam outlet 1-5 of the 2 nd-stage evaporator, a steam inlet 4-3 of the 2 nd-stage preheater is connected with a secondary steam outlet 1-5 of the 3 rd-stage evaporator, … …, and a steam inlet 4-3 of the N-1 st-stage preheater is connected with a secondary steam outlet 1-5 of the N-stage evaporator; the condensed water outlet 4-4 of the 1 st stage preheater is connected with the water inlet 3-1 of the water to be heated of the 1 st stage heater 3 or the water outlet 3-2 of the water to be heated of the 1 st stage heater 3, the condensed water outlet 4-4 of the 2 nd stage preheater 4 is connected with the water inlet 3-1 of the water to be heated of the 2 nd stage heater 3 or the water outlet 3-2 of the water to be heated of the 2 nd stage heater 3, … …, and the condensed water outlet 4-4 of the N-1 st stage preheater 4 is connected with the water inlet 3-1 of the water to be heated of the N-1 st stage heater 3 or the water outlet 3-2 of the water to be heated of the N-1 st stage heater 3. A preheating liquid inlet 4-1 of a stage 1 preheater 4 and a to-be-evaporated liquid inlet 1-1 of a stage 1 evaporator 1 are connected with a cooling liquid pipeline outlet 2-2 of a condenser 2, a preheating liquid inlet 4-1 of the stage 2 preheater 4 and a to-be-evaporated liquid inlet 1-1 of the stage 2 evaporator 1 are connected with a preheating liquid outlet 4-2 of the stage 1 preheater 4, a preheating liquid inlet 4-1 of the stage 3 preheater 4 and a to-be-evaporated liquid inlet 1-1 of the stage 3 evaporator 1 are connected with a preheating liquid outlet 4-2 of the stage 2 preheater 4, … …, and a preheating liquid inlet 4-1 of the stage N-1 preheater 4 and a to-be-evaporated liquid inlet 1-1 of the stage N-1 evaporator 1 are connected with a preheating liquid outlet 4-2 of the stage N-2 preheater 4.
One path of seawater at the outlet of the condenser 2 enters the 1 st-stage evaporator 1, the other path of seawater is heated by the 1 st-stage preheater 4 and then divided into two paths, wherein one path of seawater enters the 2 nd-stage evaporator, the other path of seawater is heated by the 2 nd-stage preheater 4, and the rest is done in the same way, and the seawater is preheated step by step. Except for the 1 st-stage evaporator 1, the secondary steam generated by other evaporators 1 is divided into one path and enters the front-stage preheater 4 for condensation and heat release, the inlet seawater is preheated, and the condensed water is also converged into the condensed water pipeline to be used as part of the fresh water.
The concentrated solution outlet 1-2 of the 2 nd-stage evaporator 1 is connected with the 1 st-stage evaporator 1, the concentrated solution outlet 1-2 of the 3 rd-stage evaporator 1 is connected with the 2 nd-stage evaporator 1, … …, and the concentrated solution outlet 1-2 of the Nth-stage evaporator 1 is connected with the N-1 st-stage evaporator 1.
The concentrated seawater flowing out of the 2 nd-stage evaporator 1 enters the 1 st-stage evaporator 1, part of water vapor is flashed off, the residual concentrated seawater is converged with the concentrated seawater at the outlet of the 1 st-stage evaporator 1 and then flows out, and the water vapor flashed off is converged with the water vapor evaporated from the 1 st-stage evaporator 1 to be used as secondary steam generated by the 1 st-stage evaporator 1; by analogy, the concentrated seawater flowing out of the Nth-stage evaporator 1 enters the Nth-1-stage evaporator 1, part of steam is flashed out, the residual concentrated seawater is converged with the concentrated seawater at the outlet of the Nth-1-stage evaporator 1 and then flows out, and the flashed-out steam is converged with the steam evaporated by the Nth-1-stage evaporator 1 to serve as secondary steam generated by the Nth-1-stage evaporator 1.
Example three:
fig. 4 is a schematic structural diagram of a third embodiment of the present invention.
Compared with the first embodiment, the first embodiment is additionally provided with the N-1 stage preheater 4 on the basis of the first embodiment, and the preheater 4 is a dividing wall type heat exchanger and comprises a preheating liquid inlet 4-1, a preheating liquid outlet 4-2, a steam inlet 4-3 and a condensed water outlet 4-4. 4-1 of 4 preheating liquid inlets of 1 st level preheater links to each other with 2 coolant pipe way exports 2-2 of condenser, 4-1 of 4 preheating liquid inlets of 2 nd level preheater links to each other with 4-2 of 4 preheating liquid exports of 1 st level preheater, 4-1 of 4 preheating liquid inlets of 3 rd level preheater links to each other with 4-2 of 4 preheating liquid exports of 2 nd level preheater, … …, 4-1 of 4 preheating liquid inlets of N-1 level preheater link to each other with 4-2 of 4 preheating liquid exports of N-2 level preheater, 1 of N level evaporator waits to evaporate liquid inlet 1-1 and 4-2 of 4 preheating liquid exports of N-1 level preheater link to each other. A concentrated solution outlet 1-2 of the 2 nd-stage evaporator 1 is connected with a to-be-evaporated solution inlet 1-1 of the 1 st-stage evaporator 1, a concentrated solution outlet 1-2 of the 3 rd-stage evaporator 1 is connected with a to-be-evaporated solution inlet 1-1 of the 2 nd-stage evaporator 1, … …, and a concentrated solution outlet 1-2 of the Nth-stage evaporator 1 is connected with a to-be-evaporated solution inlet 1-1 of the N-1 st-stage evaporator 1.
The seawater at the outlet of the condenser 2 passes through the 1 st-stage preheater 4, the 2 nd-stage preheaters 4 and … … and the N-1 st-stage preheater 4 in sequence, is preheated stage by stage and finally enters the N-stage evaporator 1. The concentrated seawater flowing out of the Nth-stage evaporator 1 enters the Nth-1-stage evaporator 1 to evaporate a part of water vapor, the residual concentrated seawater enters the Nth-2-stage evaporator 1 to evaporate a part of water vapor, the residual concentrated seawater enters the Nth-3-stage evaporator 1, … …, and finally the concentrated seawater flows out of the Nth-stage evaporator 1.
The secondary steam generated by the higher-stage evaporator 1 enters the next-stage evaporator 1 as a heating source.
Example four:
fig. 5 is a schematic structural diagram of a fourth embodiment of the present invention.
Compared with the second embodiment, the heat exchanger 5 is added on the basis of the second embodiment, and the heat exchanger 5 is a dividing wall type heat exchanger and comprises a cold medium inlet 5-1 (seawater inlet), a cold medium outlet 5-2, a heat medium inlet 5-3 and a heat medium outlet 5-4. The cold medium outlet 5-2 is connected with the cooling liquid pipeline inlet 2-1 of the condenser 2, and the hot medium inlet 5-3 is connected with the concentrated liquid outlet 1-2 of the 1 st-stage evaporator 1.
Concentrated seawater from a concentrated solution outlet 1-2 of a first-stage evaporator 1 enters a heat exchanger 5 to heat seawater, and is discharged through a heat medium outlet 5-4 after heat release and temperature reduction; the low-temperature seawater enters the heat exchanger 5 through the cold medium inlet 5-1 to absorb heat and raise temperature, and then enters the condenser 2, so that the purpose of energy conservation is achieved.
Example five:
fig. 6 is a schematic structural diagram of a fifth apparatus according to an embodiment of the present invention.
Compared with the second embodiment or the fourth embodiment, the present embodiment adds the coolant straight-line pipeline 6 on the basis of the second embodiment or the fourth embodiment, and the inlet end of the coolant straight-line pipeline 6 is connected with the outlet 2-2 of the coolant pipeline of the condenser 2. The seawater at the outlet of the condenser 2 is divided into two parts, one part of seawater enters the evaporator 1 and the preheater 4 to be distilled to generate fresh water, and the other part of seawater is discharged through the cooling liquid direct discharge pipeline 6, so that the yield of the fresh and hot water can be adjusted. Due to the addition of the cooling liquid direct discharging pipeline 6, the device can be only used for seawater desalination in non-heating seasons except for the cogeneration of water and heat in the heating seasons, as shown in fig. 6: in non-heating seasons, after seawater enters the condenser 2 to be heated, part of seawater enters the device to be concentrated to generate fresh water, and the other part of seawater returns to the sea through the cooling liquid direct discharge pipeline 6; the produced fresh water flows from the high-stage heater 3 to the low-stage heater 3 in a stepwise manner, and finally flows out from the 1 st-stage heater 3.
Optionally, the seawater may be river water, lake water, underground water, sewage, wastewater, reclaimed water, and other water sources, which are not listed in the embodiments, and pure distilled water is generated by the device.
The utility model aims at protecting a pure hot distilled water preparation facilities, include: the evaporator comprises N stages of evaporators, each stage of evaporator comprises a secondary steam outlet and a heating steam inlet, and the secondary steam outlet of the Mth stage of evaporator in the N stages of evaporators is communicated with the heating steam inlet of the M-1 th stage of evaporator; the device comprises N-1 stages of heaters, wherein each stage of heater comprises a water inlet to be heated, a water outlet to be heated and a steam inlet, the water inlet to be heated of the M-1 th stage of heater in the N-1 stages of heaters is communicated with the water outlet to be heated of the M-2 th stage of heater, the steam inlet of the M-1 th stage of heater is communicated with the secondary steam outlet of the M-1 th stage of evaporator, and the water outlet to be heated of the N-1 th stage of heater is communicated with a heat supply pipe network; the condenser comprises a steam inlet and a condensed water outlet, the steam inlet of the condenser is communicated with the secondary steam outlet of the 1 st-stage evaporator, and the condensed water outlet of the condenser is communicated with the water inlet of the 1 st-stage heater to be heated; wherein N is more than or equal to 2, N is more than or equal to M is more than or equal to 1, and M and N are integers. The device combines the purified water preparation and the centralized heat supply, produces the purified water while supplying heat, and utilizes the heat supply pipe network to convey the fresh water to the urban area, thereby realizing the simultaneous production and delivery of heat and the fresh water, effectively utilizing the heat consumed by the purified water preparation, and obtaining the purified water without additional energy consumption, thereby greatly reducing the cost for preparing the purified water; and above-mentioned embodiment device utilizes the heat supply pipe network to carry the pure water of making to urban area, has reduced conveying cost by a wide margin.
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 (9)
1. A pure hot distilled water preparation device is characterized by comprising:
the evaporator comprises N stages of evaporators, each stage of evaporator comprises a secondary steam outlet and a heating steam inlet, and the secondary steam outlet of the Mth stage of evaporator in the N stages of evaporators is communicated with the heating steam inlet of the M-1 th stage of evaporator;
the device comprises N-1 stages of heaters, wherein each stage of heater comprises a water inlet to be heated, a water outlet to be heated and a steam inlet, the water inlet to be heated of the M-1 th stage of heater in the N-1 stages of heaters is communicated with the water outlet to be heated of the M-2 th stage of heater, the steam inlet of the M-1 th stage of heater is communicated with the secondary steam outlet of the M-1 th stage of evaporator, and the water outlet to be heated of the N-1 th stage of heater is communicated with a heat supply pipe network;
the condenser comprises a steam inlet and a condensed water outlet, the steam inlet of the condenser is communicated with the secondary steam outlet of the 1 st-stage evaporator, and the condensed water outlet of the condenser is communicated with the water inlet of the 1 st-stage heater to be heated;
wherein N is more than or equal to 2, N is more than or equal to M is more than or equal to 1, and M and N are integers.
2. The apparatus of claim 1, further comprising:
the system comprises N-1 stages of preheaters, an evaporator and a condenser, wherein each stage of preheater comprises a preheating liquid outlet, a steam inlet and a condensed water outlet, and the evaporator also comprises a liquid inlet to be evaporated;
and a preheating liquid outlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a liquid inlet to be evaporated of the M stage evaporator, a steam inlet of the M-1 stage preheater is communicated with a secondary steam outlet of the M stage evaporator, and a condensed water outlet of the M-1 stage preheater is communicated with a water pipeline to be heated of the M-1 stage heater.
3. The apparatus of claim 2,
each stage of the preheater further comprises a preheating liquid inlet, and the condenser further comprises a cooling liquid pipeline outlet;
and a preheating liquid inlet of an M-1 stage preheater in the N-1 stage preheater is communicated with a preheating liquid outlet of an M-2 stage preheater, and a preheating liquid inlet of the 1 stage preheater is communicated with a cooling liquid pipeline outlet of the condenser.
4. The apparatus of claim 3, further comprising:
and the cooling liquid direct discharging pipeline is communicated with the cooling liquid pipeline outlet of the condenser and is used for adjusting the flow of pure hot distilled water at the water outlet of the N-1 th-level heater to be heated.
5. The apparatus of claim 1,
each stage of the evaporator also comprises a concentrated liquid outlet and a flash liquid inlet;
and a concentrated liquid outlet of the M-th evaporator in the N-stage evaporator is communicated with a flash liquid inlet of the M-1-th evaporator.
6. The apparatus of claim 5, further comprising:
the condenser comprises a heat exchanger, a condenser and a condenser, wherein the heat exchanger comprises a heat medium inlet and a cold medium outlet, and the condenser further comprises a cooling liquid pipeline inlet;
and a hot medium inlet of the heat exchanger is communicated with a concentrated solution outlet of the 1 st-stage evaporator, and a cold medium outlet of the heat exchanger is communicated with a cooling liquid pipeline inlet of the condenser.
7. The apparatus of claim 6, wherein the heat exchanger is a dividing wall heat exchanger.
8. The apparatus of claim 1, wherein each stage of the heater is a dividing wall heat exchanger, each stage of the heater further comprising a condensate outlet;
and a condensed water outlet of an M-1 stage heater in the N-1 stage heater is communicated with a water outlet to be heated of the M-1 stage heater.
9. The apparatus of claim 1, wherein the condenser and the stage 1 evaporator are disposed in a single housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020105042595 | 2020-06-05 | ||
| CN202010504259 | 2020-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212269517U true CN212269517U (en) | 2021-01-01 |
Family
ID=73499364
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021637508.XU Active CN212269517U (en) | 2020-06-05 | 2020-08-07 | Pure hot distilled water preparation facilities |
| CN202010788483.1A Pending CN112010379A (en) | 2020-06-05 | 2020-08-07 | Pure hot distilled water preparation device and method |
| CN202021645050.2U Active CN213357008U (en) | 2020-06-05 | 2020-08-10 | Distilled water preparation facilities |
| CN202010797144.XA Active CN112062187B (en) | 2020-06-05 | 2020-08-10 | Preparation device and preparation method of hot distilled water |
| CN202010814598.3A Active CN112062188B (en) | 2020-06-05 | 2020-08-13 | Multi-heat source hot distilled water preparation device, system and method |
| CN202010815755.2A Active CN112062189B (en) | 2020-06-05 | 2020-08-14 | Multistage multi-heat-source evaporation type hot fresh water preparation device and method and waste heat recovery system |
| CN202010897860.5A Pending CN112062374A (en) | 2020-06-05 | 2020-08-31 | Multi-effect distillation and reverse osmosis hot purified water preparation device, system and method |
Family Applications After (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010788483.1A Pending CN112010379A (en) | 2020-06-05 | 2020-08-07 | Pure hot distilled water preparation device and method |
| CN202021645050.2U Active CN213357008U (en) | 2020-06-05 | 2020-08-10 | Distilled water preparation facilities |
| CN202010797144.XA Active CN112062187B (en) | 2020-06-05 | 2020-08-10 | Preparation device and preparation method of hot distilled water |
| CN202010814598.3A Active CN112062188B (en) | 2020-06-05 | 2020-08-13 | Multi-heat source hot distilled water preparation device, system and method |
| CN202010815755.2A Active CN112062189B (en) | 2020-06-05 | 2020-08-14 | Multistage multi-heat-source evaporation type hot fresh water preparation device and method and waste heat recovery system |
| CN202010897860.5A Pending CN112062374A (en) | 2020-06-05 | 2020-08-31 | Multi-effect distillation and reverse osmosis hot purified water preparation device, system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (7) | CN212269517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010379A (en) * | 2020-06-05 | 2020-12-01 | 北京清建能源技术有限公司 | Pure hot distilled water preparation device and method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072114B (en) * | 2021-05-08 | 2024-06-25 | 西安热工研究院有限公司 | System and method for heating domestic water by recovering waste heat of strong brine |
| CN116284209B (en) * | 2023-04-23 | 2023-10-03 | 宁安市粮油淀粉机械制造有限公司 | Complete equipment for extracting soluble proteins of potatoes |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1569765A (en) * | 1968-03-18 | 1969-06-06 | ||
| JPS5330673B2 (en) * | 1972-08-10 | 1978-08-29 | ||
| RU2081649C1 (en) * | 1994-07-19 | 1997-06-20 | Свердловский научно-исследовательский институт химического машиностроения | Multistep distillation plant |
| CN1171799C (en) * | 2002-08-09 | 2004-10-20 | 周堃 | Multi-effect distilling process and equipment for desalinating seawater |
| CN101012071B (en) * | 2007-01-31 | 2010-10-27 | 华北电力大学 | Film-shell type multiple-effect film-reducing distillation sea-water desalinating device |
| CA2610052C (en) * | 2007-11-08 | 2013-02-19 | Imperial Oil Resources Limited | System and method of recovering heat and water and generating power from bitumen mining operations |
| CN101264947B (en) * | 2008-04-30 | 2011-05-11 | 华北电力大学 | Segment water-water preheating multiple-effect distillation sea water desalination technical process |
| CN101462780B (en) * | 2009-01-23 | 2011-10-12 | 国家海洋局天津海水淡化与综合利用研究所 | Low temperature multiple-effect distillation seawater desalination system and process flow thereof |
| CN101538070B (en) * | 2009-04-22 | 2011-09-07 | 长安大学 | Solar energy sea water desalinating device |
| CN101708871B (en) * | 2009-12-03 | 2011-06-29 | 招玉春 | Gradient preheating multistage evaporation-type seawater desalination power generation system |
| CN102205993B (en) * | 2011-03-18 | 2013-02-13 | 清华大学 | Adverse current closed type multistage seawater desalination system and method |
| CN102424436B (en) * | 2011-08-31 | 2013-11-13 | 天津滨瀚环保科技发展有限公司 | High-temperature seawater desalting and distillation device and method |
| CN202849193U (en) * | 2012-02-29 | 2013-04-03 | 李星煜 | Multistage vacuum distillation seawater desalting device |
| US9028653B2 (en) * | 2012-04-13 | 2015-05-12 | Korea Institute Of Energy Research | Evaporative desalination device of multi stage and multi effect using solar heat |
| CN102976421B (en) * | 2012-11-22 | 2014-07-09 | 中国神华能源股份有限公司 | Sea water desalination system |
| CN102976427B (en) * | 2012-12-25 | 2014-05-28 | 中盈长江国际新能源投资有限公司 | Seawater desalting plant continuously supplied with solar heat and method thereof |
| CN103265089B (en) * | 2013-05-07 | 2014-11-05 | 西安交通大学 | High temperature high efficiency multi-effect seawater distillation desalination apparatus and method |
| CN103951005B (en) * | 2014-04-30 | 2018-07-17 | 集美大学 | The more technology coupling seawater desalination plants of zero-emission and its method |
| CN104402079B (en) * | 2014-11-18 | 2016-08-17 | 潍坊联兴新材料科技股份有限公司 | Industrial exhaust heat type low temperature multi-effect seawater desalting system and method for desalting seawater thereof |
| US10676373B2 (en) * | 2015-01-05 | 2020-06-09 | Husham Al-Ghizzy | Thermal utilization system and methods |
| CN204625232U (en) * | 2015-02-12 | 2015-09-09 | 金大地新能源（天津）集团有限公司 | Utilize sun power coupling sea water source heat pump heat supply and seawater desalination system |
| CN104961182B (en) * | 2015-06-04 | 2018-01-16 | 浙江大学 | A kind of Trans-critical cycle air-conditioning of Winter-summer dual purpose and desalinization co-generation system |
| CN105110399B (en) * | 2015-06-04 | 2017-09-08 | 浙江大学 | A kind of Trans-critical cycle air-conditioning and flat flow desalinization co-generation system |
| US9393502B1 (en) * | 2015-07-02 | 2016-07-19 | King Saud University | Desalination system |
| CN105240062A (en) * | 2015-10-14 | 2016-01-13 | 付怀仁 | Waste heat recycling and heating system with expansion work recycling function |
| CN105649690B (en) * | 2015-12-29 | 2017-03-15 | 西安交通大学 | A kind of big hotspot stress co-generation unit and its method of work |
| CN205307834U (en) * | 2016-01-13 | 2016-06-15 | 湖南铁道职业技术学院 | Absorption heat pump sea water desalination device of recovery waste heat |
| CN105692750B (en) * | 2016-03-04 | 2018-07-31 | 华北电力大学 | A kind of multiple-effect distillation seawater desalination system using surplus heat of power plant |
| CN105923675B (en) * | 2016-06-14 | 2018-12-07 | 西安交通大学 | A kind of desalination plant of thermo-compression evaporation coupling multiple-effect evaporation |
| CN106115825A (en) * | 2016-08-19 | 2016-11-16 | 北京今大禹环境技术股份有限公司 | A kind of low temperature multiple-effect distillation seawater desalination system |
| CN108623065B (en) * | 2017-03-22 | 2020-08-25 | 天华化工机械及自动化研究设计院有限公司 | Method for recycling mother liquor of PTA refining unit |
| CN107445233A (en) * | 2017-09-05 | 2017-12-08 | 王旭 | A kind of mechanical compression type multiple-effect distillation seawater desalination system of Coupling Water-source Heat Pump |
| CN107676842B (en) * | 2017-11-02 | 2019-09-27 | 清华大学 | The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant |
| CN109796099A (en) * | 2017-11-17 | 2019-05-24 | 华东理工大学 | A kind of reverse osmosis -- positive infiltration -- seawater desalination system and method for multi-effect distilling coupling |
| RU2687914C1 (en) * | 2018-09-17 | 2019-05-16 | федеральное государственное автономное образовательное учреждение высшего образования "Самарский национальный исследовательский университет имени академика С.П. Королёва" | Complex plant for seawater desalination and power generation |
| CN109319866A (en) * | 2018-11-15 | 2019-02-12 | 集美大学 | A kind of sea water desalination and the concentration integrated system of concentrated seawater and processing method |
| CN209237373U (en) * | 2018-12-17 | 2019-08-13 | 上海新奥新能源技术有限公司 | A kind of preheating type heat pump double-effect evaporation concentration systems |
| CN110217848A (en) * | 2019-05-30 | 2019-09-10 | 郑州电力高等专科学校 | The seawater desalination system utilized based on Combined cycle gas-steam turbine fume afterheat |
| CN212269517U (en) * | 2020-06-05 | 2021-01-01 | 北京清建能源技术有限公司 | Pure hot distilled water preparation facilities |
-
2020
- 2020-08-07 CN CN202021637508.XU patent/CN212269517U/en active Active
- 2020-08-07 CN CN202010788483.1A patent/CN112010379A/en active Pending
- 2020-08-10 CN CN202021645050.2U patent/CN213357008U/en active Active
- 2020-08-10 CN CN202010797144.XA patent/CN112062187B/en active Active
- 2020-08-13 CN CN202010814598.3A patent/CN112062188B/en active Active
- 2020-08-14 CN CN202010815755.2A patent/CN112062189B/en active Active
- 2020-08-31 CN CN202010897860.5A patent/CN112062374A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112010379A (en) * | 2020-06-05 | 2020-12-01 | 北京清建能源技术有限公司 | Pure hot distilled water preparation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112062187A (en) | 2020-12-11 |
| CN112062188B (en) | 2023-06-20 |
| CN112062189B (en) | 2022-09-27 |
| CN112062188A (en) | 2020-12-11 |
| CN112062187B (en) | 2022-06-24 |
| CN112062374A (en) | 2020-12-11 |
| CN112062189A (en) | 2020-12-11 |
| CN112010379A (en) | 2020-12-01 |
| CN213357008U (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212269517U (en) | Pure hot distilled water preparation facilities | |
| CN100470167C (en) | Heat pump type heat exchanging unit | |
| CN103351034B (en) | High-temperature gas cooled reactor and low-temperature multiple-effect distillation seawater desalinization coupling device | |
| CN101955238A (en) | Seawater desalting method and device | |
| CN109489101B (en) | Central heating system and central heating method thereof | |
| CN201181133Y (en) | Combined cooling, heating and power supplying system | |
| CN203249231U (en) | System using water drainage waste heat of heating network heater to heat raw water | |
| CN102607090B (en) | A kind of big temperature-difference central heating system of utilization industrial exhaust heat | |
| CN212403523U (en) | Preparation device of hot purified water | |
| Tai et al. | A water-heat combined supply system based on waste heat from a coastal nuclear power plant in northern China | |
| CN109028269B (en) | Absorption heat pump unit and heat supply system for recycling low-temperature water source waste heat | |
| WO2022094900A1 (en) | Single long-distance pipe-based low-temperature waste heat heating system | |
| CN201163126Y (en) | Heat pump type heat-exchanging device | |
| CN108218080A (en) | A kind of hotting mask using industrial waste heat couples seawater desalination system | |
| CN214780863U (en) | Distilled water preparation facilities | |
| CN208055131U (en) | A kind of hotting mask using industrial waste heat couples seawater desalination system | |
| CN212269520U (en) | High-salinity wastewater system utilizing photo-thermal evaporation crystallization | |
| CN205717457U (en) | A kind of centralized great temperature difference heat supply system | |
| CN207365159U (en) | A kind of water source cascade utilization heat pump system | |
| CN214370507U (en) | Composite heat and water supply system based on waste heat utilization of large nuclear power unit | |
| CN205933287U (en) | Sea water desalination's distiller | |
| CN215062303U (en) | Low-temperature waste heat supply system based on single-pipe long-distance transmission | |
| CN212657773U (en) | Online water quality treatment system for primary heat supply network water | |
| CN214780864U (en) | Preparation device of hot distilled water | |
| RU2160872C1 (en) | Method and system for heat supply to urban users from suburb cogeneration station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |