CN112062188B - Multi-heat source hot distilled water preparation device, system and method - Google Patents
Multi-heat source hot distilled water preparation device, system and method Download PDFInfo
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- CN112062188B CN112062188B CN202010814598.3A CN202010814598A CN112062188B CN 112062188 B CN112062188 B CN 112062188B CN 202010814598 A CN202010814598 A CN 202010814598A CN 112062188 B CN112062188 B CN 112062188B
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- 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
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- 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
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- 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
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Abstract
The invention discloses a hot distilled water preparation device, a system and a method with multiple heat sources, comprising the following steps: the multistage distillation units are connected in series or in parallel; wherein the distillation unit comprises: the heat source inlets of each stage of the distillation unit are correspondingly communicated with heat sources with different temperature grades; the heat regenerator comprises a raw material liquid outlet and a concentrated liquid inlet; the raw material liquid outlet of the heat regenerator is communicated with the raw material liquid inlet of the distillation unit, and the concentrated liquid inlet of the heat regenerator is communicated with the concentrated liquid outlet of the distillation unit. The device comprehensively utilizes heat sources with different temperature grades, can effectively improve the energy utilization efficiency of distilled water preparation, and greatly reduces the cost of purified water preparation.
Description
Technical Field
The invention belongs to the technical field of distilled water preparation, and particularly relates to a hot distilled water preparation device, a hot distilled water preparation system and a hot distilled water preparation method with multiple heat sources.
Background
With the rapid development of the economic society and the continuous promotion of the urban process of China, the shortage of water resources has become an important factor for restricting the sustainable development of the social economy of China. The water-average resource amount of China is only one fourth of the world water-average resource amount, and is one of the most barren countries. Seawater desalination is an effective means for increasing the water resource amount from the source, is an important way and strategic choice for solving the water resource shortage in China, and is a necessary requirement for ensuring national safety and sustainable development. The sea water desalting technology has been developed rapidly in recent years, wherein the distillation method is applied more and more widely in vast coastal areas of China, but fresh water generated by the distillation method is often required to be newly built when being transported to water users, which leads to higher transportation cost, how to effectively reduce the transportation cost is a problem which needs to be solved by the sea water desalting technology, and considering that the concentrated heat supply areas are all composed of existing urban heat supply pipe networks, if the fresh water generated by the sea water desalting technology has certain temperature, the fresh water can be transported by utilizing the existing pipe networks, and the transportation cost can be greatly reduced. Meanwhile, the distillation method only uses a high-grade heat source to heat the seawater, but the low-grade heat source, such as steam turbine exhaust steam, only has a heat source of about 40 ℃ and cannot be effectively utilized.
Disclosure of Invention
Object of the invention
The invention aims to provide a hot distilled water preparation device, a hot distilled water preparation system and a hot distilled water preparation method with multiple heat sources so as to solve the problems.
(II) technical scheme
To solve the above problems, a first aspect of the present invention provides a multi-heat source hot distilled water preparing apparatus, comprising: the multistage distillation units are connected in series or in parallel; wherein the distillation unit comprises: the heat source inlets of each stage of the distillation unit are correspondingly communicated with heat sources with different temperature grades; the heat regenerator comprises a raw material liquid outlet and a concentrated liquid inlet; the raw material liquid outlet of the heat regenerator is communicated with the raw material liquid inlet of the distillation unit, and the concentrated liquid inlet of the heat regenerator is communicated with the concentrated liquid outlet of the distillation unit.
Further, the distillation unit includes: an N-stage evaporator, wherein each stage of evaporator comprises a secondary steam outlet, a heat source inlet and a concentrated solution outlet; the secondary steam outlet of the M-stage evaporator is communicated with the heat source inlet of the M-1-stage evaporator, the concentrated solution outlet of the 1 st stage evaporator in the 1 st stage distillation unit is communicated with the concentrated solution inlet of the heat regenerator, and the heat source inlet of the evaporator is communicated with the heat source inlet of the distillation unit; wherein N is more than or equal to M > 1, and M and N are integers.
Further, the distillation unit of stage 1 comprises: the N-1 grade heaters are connected in series or in parallel, each grade of the heaters comprises a steam inlet, and the steam inlet of the M-th grade heater in the N-1 grade heater is communicated with the secondary steam outlet of the M-th grade evaporator; the distillation unit of stages 2 to N includes: the N-stage heaters are connected in series or in parallel, each stage of heater comprises a steam inlet, the steam inlet of the M-th stage heater in the N-stage heater is communicated with the secondary steam outlet of the M-th stage evaporator, and the outlet of the N-th stage heater can be communicated with a heat supply pipe network.
Further, the distillation unit further comprises: the N-stage preheaters are connected in series or in parallel, each stage of preheater comprises a steam inlet and a condensate outlet, and the steam inlet of an M-th stage preheater in the N-stage preheater is communicated with the secondary steam outlet of the M-th stage evaporator; the condensation water outlet of the preheater at the M stage is communicated with a water pipeline to be heated of the heater at the M stage; the condensate outlet of the preheater of the 1 st stage of the distillation unit is communicated with the inlet of the 1 st stage heater.
Further, the evaporator further comprises a heat source outlet, and the heat source outlet of the M-th stage of the evaporator in the N-stage evaporator is communicated with a water pipeline to be heated of the M-th stage of the heater.
Further, the heat source outlet of the N-th-stage evaporator in the distillation unit is communicated with the water pipeline to be heated of the 1-st-stage heater in the next-stage distillation unit.
Further, the heat source outlet of the evaporator of the nth stage is communicated with the outlet of the heater of the N-1 th stage.
Further, a secondary steam outlet of the evaporator of the 1 st stage in the M-stage distillation unit is communicated with a heat source inlet of the M-1 st stage distillation unit.
According to another aspect of the present invention, there is provided a multi-heat source hot distilled water preparing system comprising the hot distilled water preparing apparatus according to any one of the above-mentioned aspects.
According to still another aspect of the present invention, there is provided a method for producing hot distilled water having multiple heat sources, the hot distilled water being obtained by distilling a liquid using the apparatus according to any one of the above-mentioned aspects; the liquid is at least one of the following: seawater, river water, lake water, groundwater, sewage, wastewater and reclaimed water.
(III) beneficial effects
The technical scheme of the invention has the following beneficial technical effects:
the device comprehensively utilizes heat sources with different temperature grades, can effectively improve the energy utilization efficiency of distilled water preparation, greatly reduces the cost of pure water preparation, and simultaneously prepares hot distilled water with a certain temperature grade, which can meet the temperature requirement of central heating, so that the hot distilled water can be conveyed to a hot/water user through a heating pipe network, the co-production and co-delivery of heat and fresh water are realized, and the conveying cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to another embodiment of the present invention.
Fig. 3 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to still another embodiment of the present invention.
Reference numerals:
1: a distillation unit; 11: an evaporator; 111: a secondary steam outlet; 112: a heat source inlet; 113: a heat source outlet; 12: a heater; 121: a steam inlet; 122: a water pipeline to be heated; 13: a preheater; 131: a steam inlet; 132: a condensate outlet; 14: a raw material liquid inlet; 15: a concentrate outlet; 16: a heat source inlet; 17: a raw material liquid outlet; 2: a regenerator; 21: a raw material liquid outlet; 22: a concentrate inlet.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
A layer structure schematic diagram according to an embodiment of the present invention is shown in the drawings. The figures are not drawn to scale, wherein certain details may be exaggerated and some details may be omitted for clarity. The shapes of the various regions, layers and relative sizes, positional relationships between them shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements are denoted by like reference numerals throughout the various figures. For clarity, the various features of the drawings are not drawn to scale.
Example 1
Fig. 1 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides a multi-heat source hot distilled water preparing apparatus, comprising: a multi-stage distillation unit 1, wherein a plurality of stages of distillation units 1 are connected in series or in parallel; wherein the distillation unit 1 comprises: a raw material liquid inlet 14, a concentrated liquid outlet 15 and a heat source inlet 16, wherein the heat source inlet 16 of each stage of the distillation unit 1 is correspondingly communicated with heat sources with different temperature grades; a regenerator 2, wherein the regenerator 2 comprises a raw material liquid outlet 21 and a concentrated liquid inlet 22; the feed liquid outlet 21 of the regenerator 2 is in communication with the feed liquid inlet 14 of the distillation unit 1, and the concentrate inlet 22 of the regenerator 2 is in communication with the concentrate outlet 15 of the distillation unit 1. The device comprehensively utilizes heat sources with different temperature grades, can effectively improve the energy utilization efficiency of distilled water preparation, greatly reduces the cost of pure water preparation, and simultaneously prepares hot distilled water with a certain temperature grade, which can meet the temperature requirement of central heating, so that the hot distilled water can be conveyed to a hot/water user through a heating pipe network, the co-production and co-delivery of heat and fresh water are realized, and the conveying cost is greatly reduced.
The distillation unit 1 includes: an N-stage evaporator 11, each stage of the evaporator 11 including a secondary vapor outlet 111, a heat source inlet 112, and a concentrate outlet 115; the secondary steam outlet 111 of the Mth-stage evaporator 11 is communicated with the heat source inlet 112 of the Mth-1-stage evaporator 11, the concentrated solution outlet 115 of the 1 st-stage evaporator 11 in the 1 st-stage distillation unit 1 is communicated with the concentrated solution inlet 22 of the heat regenerator 2, and the heat source inlet 112 of the Nth-stage evaporator 11 is communicated with the heat source inlet 16 of the distillation unit 1; wherein N is more than or equal to M > 1, and M and N are integers.
The distillation unit 1 of stage 1 comprises: a N-1 stage heater 12, wherein the N-1 stage heaters 12 are connected in series or in parallel, each stage of heater 12 comprises a steam inlet 121, and the steam inlet 121 of the M-th stage heater 12 in the N-1 stage heater 12 is communicated with the secondary steam outlet 111 of the M-th stage evaporator 11;
the distillation unit 1 of stages 2 to N includes: the N-stage heaters 12 are connected in series or in parallel, each of the N-stage heaters 12 comprises a steam inlet 121, the steam inlet 121 of the M-stage heater 12 in the N-stage heater 12 is communicated with the secondary steam outlet 111 of the M-stage evaporator 11, and the outlet of the N-stage heater 12 can be communicated with a heat supply pipe network.
The distillation unit 1 further comprises: the N-stage preheaters 13 are connected in series or in parallel, each stage of the preheaters 13 comprises a steam inlet 131 and a condensate outlet 132, and the steam inlet 131 of the M-stage preheater 13 in the N-stage preheaters 13 is communicated with the secondary steam outlet 111 of the M-stage evaporator 11;
the condensate outlet 132 of the preheater 13 at the M-th stage is communicated with the water pipeline 122 to be heated of the heater 12 at the M-th stage; the condensate outlet 132 of the stage 1 preheater 13 of the stage 1 distillation unit 1 communicates with the inlet of the stage 1 heater 12.
The evaporator 11 further comprises a heat source outlet 113, and the heat source outlet 113 of the evaporator 11 at the M th stage in the N stages of the evaporator 11 is communicated with a water pipeline 122 to be heated of the heater 12 at the M th stage. The heat source outlet 113 of the evaporator 11 at the nth stage in the distillation unit 1 is communicated with the water pipeline 122 to be heated of the heater 12 at the 1 st stage in the distillation unit 1 at the next stage.
The heat source outlet 113 of the evaporator 11 at the nth stage in the distillation unit 1 is communicated with the water pipe 122 to be heated of the heater 12 at the 1 st stage in the distillation unit 1 at the next stage, or is discharged through a discharge pipe.
The raw material liquid firstly enters the heat regenerator 2, after the temperature is initially raised in the heat regenerator 2, the raw material liquid enters the 1 st stage distillation unit 1 through the raw material liquid inlet 14 of the 1 st stage distillation unit 1, one part of the raw material liquid is heated and concentrated by the 1 st heat source, the other part of the raw material liquid flows out through the raw material liquid outlet 17 of the 1 st stage distillation unit 1, the raw material liquid inlet 14 of the 2 nd-stage distillation unit 1 is communicated with the raw material liquid outlet 17 of the N-1 st-stage distillation unit 1, which enters the 2 nd-stage distillation unit 1, after entering the N-stage distillation unit 1, the concentrated solution is heated and concentrated by an N-th heat source, flows out through a concentrated solution outlet of the N-th distillation unit 1, enters the N-1-th distillation unit 1 through a concentrated solution inlet of the N-1-th distillation unit 1, is mixed with concentrated solution produced by the N-1-th distillation unit 1, is communicated with a concentrated solution outlet of the 1-th distillation unit 1, is communicated with a concentrated solution inlet of the 1-th distillation unit 1, is communicated with a regenerator 2, and is discharged through a concentrated solution outlet 15 after being cooled in the regenerator 2.
The distilled water outlets of the distillation units 1 at each level are connected in series, the distilled water outlet of the distillation unit 1 at the 1 st level is communicated with the distilled water inlet of the distillation unit 1 at the 2 nd level, and the hot distilled water flowing out from the distilled water outlet of the distillation unit 1 at the N-th level is the light hot water generated by the process flow and is output to hot and water users or is further heated and then output to the hot and water users.
The heat source of the M-th stage enters the distillation unit 1 of the M-th stage through a heat source inlet 16 of the distillation unit 1 of the M-th stage, and the heat source after heat release and temperature reduction flows out through a heat source outlet of the distillation unit 1 of the M-th stage.
In this embodiment, multiple heat sources with different grades can be simultaneously utilized to generate hot distilled water together, compared with the method of using different heat sources to generate hot distilled water in a dispersed manner, the embodiment has the advantages that the temperature of generated hot distilled water is higher through the organic combination between devices, the comprehensive utilization efficiency of the heat sources can be greatly improved, the equipment volume is reduced, and the cost for preparing hot distilled water is reduced.
Example 2
Fig. 2 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to another embodiment of the present invention.
As shown in fig. 2, this embodiment provides a hot distilled water preparation apparatus with multiple heat sources, which is different from the first embodiment in that:
the heat source outlet 113 of the evaporator 11 at the nth stage in the distillation unit 1 communicates with the outlet of the heater 12 at the nth stage. And the secondary steam outlet 111 of the evaporator 11 of the 1 st stage in the distillation unit 1 communicates with the heat source inlet 16 of the evaporator 11 of the nth stage in the distillation unit 1 of the preceding stage. The steam generated by the distillation unit 1 at the M stage is mixed with the heat source at the M-1 stage and then enters the distillation unit 1 at the M-1 stage as the heat source.
Example 3
Fig. 3 is a schematic structural view of a multi-heat source hot distilled water preparing apparatus according to still another embodiment of the present invention.
As shown in fig. 3, this embodiment provides a hot distilled water preparation device with multiple heat sources, which is different from the second embodiment in that:
the secondary steam outlet 111 of the evaporator 11 of the 1 st stage in the distillation unit 1 of the M-th stage is communicated with the heat source inlet 16 of the distillation unit 1 of the M-1 st stage. The steam generated by the distillation unit 1 at the M-1 level is used as part of heat sources in the distillation unit 1 at the M-1 level, and the part of steam is condensed and released in the distillation unit 1 at the M-1 level and then is used as condensed water to be converged into a hot distilled water pipeline of the distillation unit 1 at the M-1 level;
the heat source of the M-1 th stage is taken as another part of heat source through the heat source inlet of the distillation unit 1 of the M-1 th stage, and the heat source of the M-1 th stage after temperature reduction is discharged through the heat source outlet of the distillation unit 1 of the M-1 th stage.
The M-1 th stage heat source and the steam discharged from the secondary steam outlet 111 of the distillation unit 1 of the M-th stage are not mixed but are simultaneously used as heat sources of the distilled water preparation device.
Example 4
This embodiment provides a multi-heat source hot distilled water preparation system comprising the hot distilled water preparation device according to any one of embodiments 1 to 3. The system is used for sea water desalination and/or heat supply.
Example 5
This example provides a method of preparing multi-heat source hot distilled water obtained by distilling a liquid using the apparatus of any one of examples 1 to 3; the liquid is at least one of the following: seawater, river water, lake water, groundwater, sewage, wastewater and reclaimed water.
The raw material liquid firstly enters the heat regenerator 2, after the temperature is initially raised in the heat regenerator 2, the raw material liquid enters the 1 st stage distillation unit 1 through the raw material liquid inlet 14 of the 1 st stage distillation unit 1, one part of the raw material liquid is heated and concentrated by the 1 st heat source, the other part of the raw material liquid flows out through the raw material liquid outlet 17 of the 1 st stage distillation unit 1, the raw material liquid inlet 14 of the 2 nd-stage distillation unit 1 is communicated with the raw material liquid outlet 17 of the N-1 st-stage distillation unit 1, which enters the 2 nd-stage distillation unit 1, after entering the N-stage distillation unit 1, the concentrated solution is heated and concentrated by an N-th heat source, flows out through a concentrated solution outlet of the N-th distillation unit 1, enters the N-1-th distillation unit 1 through a concentrated solution inlet of the N-1-th distillation unit 1, is mixed with concentrated solution produced by the N-1-th distillation unit 1, is communicated with a concentrated solution outlet of the 1-th distillation unit 1, is communicated with a concentrated solution inlet of the 1-th distillation unit 1, is communicated with a regenerator 2, and is discharged through a concentrated solution outlet 15 after being cooled in the regenerator 2.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (8)
1. A multi-heat source hot distilled water preparing apparatus, comprising:
a multi-stage distillation unit (1), wherein the multi-stage distillation units (1) are connected in series; wherein the distillation unit (1) comprises: a raw material liquid inlet (14), a concentrated liquid outlet (15) and a heat source inlet (16), wherein the heat source inlet (16) of each stage of the distillation unit (1) is correspondingly communicated with heat sources with different temperature grades;
the heat regenerator (2) comprises a raw material liquid outlet (21) and a concentrated liquid inlet (22); the raw material liquid outlet (21) of the heat regenerator (2) is communicated with the raw material liquid inlet (14) of the distillation unit (1), and the concentrated liquid inlet (22) of the heat regenerator (2) is communicated with the concentrated liquid outlet (15) of the distillation unit (1); wherein the distillation unit (1) comprises:
-a N-stage evaporator (11), each stage of the evaporator (11) comprising a secondary steam outlet (111), a heat source inlet (112) and a concentrate outlet (115); the secondary steam outlet (111) of the M-stage evaporator (11) is communicated with the heat source inlet (112) of the M-1-stage evaporator (11), the concentrated solution outlet (115) of the 1 st stage evaporator (11) in the 1 st stage distillation unit (1) is communicated with the concentrated solution inlet (22) of the heat regenerator (2), and the heat source inlet (112) of the N-stage evaporator (11) is communicated with the heat source inlet (16) of the distillation unit (1);
wherein N is more than or equal to M > 1, and M and N are integers;
the distillation unit (1) of stage 1 comprises: an N-1 stage heater (12), wherein the N-1 stage heaters (12) are connected in series or in parallel, each stage of heater (12) comprises a steam inlet (121), and the steam inlet (121) of an M-th stage heater (12) in the N-1 stage heater (12) is communicated with a secondary steam outlet (111) of the M-th stage evaporator (11);
the distillation unit (1) of stages 2 to N comprises: n-stage heaters (12), N-stage heaters (12) are connected in series or in parallel, each stage of heater (12) comprises a steam inlet (121), the steam inlet (121) of the M-th stage heater (12) in the N-stage heaters (12) is communicated with a secondary steam outlet (111) of the M-th stage evaporator (11), and an outlet of the N-th stage heater (12) can be communicated with a heating pipe network.
2. The multi-heat source hot distilled water preparation device according to claim 1, wherein the distillation unit (1) further comprises:
the N-stage preheaters (13), N stages of preheaters (13) are connected in series or in parallel, each stage of preheater (13) comprises a steam inlet (131) and a condensate outlet (132), and the steam inlet (131) of the M-th stage preheater (13) in the N-stage preheater (13) is communicated with the secondary steam outlet (111) of the M-th stage evaporator (11);
the condensation water outlet (132) of the preheater (13) at the M stage is communicated with a water pipeline (122) to be heated of the heater (12) at the M stage; the condensate outlet (132) of the stage 1 preheater (13) of the stage 1 distillation unit (1) is in communication with the inlet of the stage 1 heater (12).
3. The multi-heat source hot distilled water preparation device according to claim 2, wherein the evaporator (11) further comprises:
and the heat source outlet (113), the heat source outlet (113) of the M-stage evaporator (11) is communicated with the water pipeline (122) to be heated of the M+1-stage heater (12). Wherein N-1 is more than or equal to M is more than or equal to 1.
4. The multi-heat source hot distilled water preparing device according to claim 2, wherein,
the heat source outlet (113) of the evaporator (11) at the N-th stage in the distillation unit (1) is communicated with a water pipeline (122) to be heated of the heater (12) at the 1-th stage in the next stage of the distillation unit (1), or is discharged through a discharge pipeline.
5. The multi-heat source hot distilled water preparing device according to claim 2, wherein,
a heat source outlet (113) of the evaporator (11) of the nth stage is communicated with an outlet of the heater (12) of the nth stage.
6. The multi-heat source hot distilled water preparing apparatus according to claim 2, wherein:
a secondary steam outlet (111) of the evaporator (11) at the 1 st stage in the distillation unit (1) at the M-th stage is communicated with a heat source inlet (16) of the distillation unit (1) at the M-1 st stage.
7. A multi-heat source hot distilled water preparation system comprising the hot distilled water preparation device according to any one of claims 1 to 6.
8. A process for the preparation of multi-heat source hot distilled water, characterized in that the hot distilled water is obtained by distilling a liquid using the apparatus according to any one of claims 1 to 6:
the raw material liquid is at least one of the following: seawater, river water, lake water, groundwater, sewage, wastewater and reclaimed water.
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| CN2020105042595 | 2020-06-05 | ||
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| CN112062188A CN112062188A (en) | 2020-12-11 |
| CN112062188B true CN112062188B (en) | 2023-06-20 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| CN112062374A (en) | 2020-12-11 |
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| CN213357008U (en) | 2021-06-04 |
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