Steam supply system

Abstract

The utility model discloses a steam supply system. The steam supply system comprises a main steam supply pipeline, a drainage assembly and a heating assembly. The main steam supply pipeline is used for supplying first steam. The drainage assembly is connected with the main steam supply pipeline. The drainage assembly is used for storing condensate water formed by liquefying the first steam in the main steam supply pipeline. The heating assembly is connected with the drainage assembly. The heating assembly is used for heating the condensate water to form second steam. Thus, condensate water formed by liquefying first steam in the main steam supply pipeline can be stored through the drainage assembly, the condensate water can be heated through the heating assembly to form second steam to be supplied to the main steam supply pipeline, heat and water recovery of the condensate water is achieved, and waste of the condensate water and heat contained in the condensate water caused by direct discharge of the condensate water is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of steam supply, and in particular to a steam supply system. Background Art

[0002] In the related art, in order to meet the steam demand of industrial users, long-distance steam pipelines are often used to centrally supply steam to industrial users. However, in the process of long-distance steam transportation, the heat dissipation of the pipelines easily causes part of the steam to liquefy and condense to produce drainage. If the drainage is directly discharged, it will lead to the waste of water and the heat contained in the water. Therefore, how to use the drainage produced by the liquefaction and condensation of part of the steam caused by the heat dissipation of the pipelines to avoid the waste of water and the heat contained in the water caused by the direct discharge of drainage has become a technical problem to be solved. Utility Model Content

[0003] In view of this, the utility model aims to solve one of the problems in the related art at least to a certain extent. To this end, the purpose of the present application is to provide a steam supply system.

[0004] The present application provides a steam supply system. The steam supply system includes a main steam supply pipeline, a drain assembly and a heating assembly. The main steam supply pipeline is used to supply a first steam. The drain assembly is connected to the main steam supply pipeline. The drain assembly is used to store condensed water formed by liquefying the first steam in the main steam supply pipeline. The heating assembly is connected to the drain assembly. The heating assembly is used to heat the condensed water to form a second steam.

[0005] In some embodiments, the heating component includes a steam generator. The steam generator is connected to the main steam supply pipeline and the drain component respectively. The steam generator is used to heat the condensed water to form the second steam.

[0006] In some embodiments, the heating assembly further comprises a heating source and a circulation pipeline. The circulation pipeline is connected to the steam generator. The heating source is arranged on the circulation pipeline. A heat transfer medium is stored in the circulation pipeline. The heating source is used to heat the heat transfer medium so that the heated heat transfer medium is transported to the steam generator through the circulation pipeline.

[0007] In some embodiments, the heating assembly further comprises a heat transfer medium pump. The heat transfer medium pump is disposed on the circulation pipeline. The heat transfer medium pump is used to drive the heat transfer medium in the circulation pipeline to circulate between the heating source and the steam generator.

[0008] In certain embodiments, the heating source comprises a solar thermal collector.

[0009] In some embodiments, the drain assembly includes a drain pipeline and a drain water tank. The drain water tank is arranged on the drain pipeline, and the drain pipeline is connected to the main steam supply pipeline and the steam generator respectively. The drain water tank is used to store the condensed water. The drain pipeline is used to transport the condensed water to the drain water tank for storage.

[0010] In some embodiments, the drain assembly further includes a water pump, which is disposed on the drain pipeline and is used to drive the condensed water in the water pump to flow in the drain pipeline and be delivered to the steam generator.

[0011] In certain embodiments, both the hydrophobic components and the heating components are multiple in number and are arranged in one-to-one correspondence.

[0012] In certain embodiments, the steam supply system includes a heat source, and the steam inlet of the main steam supply pipeline is connected to the heat source.

[0013] In certain embodiments, the main steam supply pipeline is connected to a user end.

[0014] In certain embodiments, the heating component is connected to the main steam supply pipeline and / or the user end, and is used to transport the second steam to the main steam supply pipeline and / or the user end.

[0015] The steam supply system of the present application can store condensed water formed by the liquefaction of the first steam in the main steam supply pipeline through a hydrophobic component, and can heat the condensed water through a heating component to form second steam to supply the main steam supply pipeline, thereby realizing heat and water recovery of the condensed water and avoiding waste of the condensed water and the heat contained in the condensed water due to direct discharge of the condensed water.

[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 It is a schematic diagram of the structure of the steam supply system of certain embodiments of the present application.

[0019] Main component reference numbers:

[0020] Steam supply system 100;

[0021] Main steam supply pipeline 10, steam supply regulating valve 11, steam inlet 13 of the main steam supply pipeline; drain assembly 20, drain pipeline 21, drain water tank 23, drain valve 25, second control valve 27, water pump 29;

[0022] Heating assembly 30; steam generator 31, water inlet 311, steam outlet 313, heat transfer medium inlet 315, heat transfer medium outlet 317; heating source 33, solar collector 331; circulation pipeline 35; first control valve 37; heat transfer medium pump 39;

[0023] Output pipeline 40 ; heat source 50 ; user end 60 ; first user end 61 , first steam branch pipeline 611 , third control valve 613 ; second user end 63 , second steam branch pipeline 631 , fourth control valve 633 . DETAILED DESCRIPTION

[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0025] In the description of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, and may refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection, or mutual communication; direct connection, indirect connection through an intermediate medium, internal connection between two elements, or interaction between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0027] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0028] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0029] See also Figure 1 The present application provides a steam supply system 100. The steam supply system 100 includes a main steam supply pipeline 10, a drain assembly 20 and a heating assembly 30. The main steam supply pipeline 10 is used to supply first steam. The drain assembly 20 is connected to the main steam supply pipeline 10. The drain assembly 20 is used to store condensed water formed by liquefying the first steam in the main steam supply pipeline 10. The heating assembly 30 is connected to the drain assembly 20. The heating assembly 30 is used to heat the condensed water to form second steam.

[0030] Among them, the first steam and / or the second steam may refer to low-temperature and low-pressure steam, medium-temperature and medium-pressure steam or high-temperature and high-pressure steam. The temperatures of low-temperature and low-pressure steam, medium-temperature and medium-pressure steam and high-temperature and high-pressure steam increase successively, and the pressures increase successively. For example, low-temperature and low-pressure steam may refer to steam with a temperature less than 120°C and a pressure less than 1Mpa. Medium-temperature and medium-pressure steam may refer to steam with a temperature in the range of 120°C to 200°C and a pressure in the range of 1Mpa to 4Mpa. High-temperature and high-pressure steam may refer to steam with a temperature greater than 200°C and a pressure greater than 4Mpa.

[0031] Specifically, a steam supply regulating valve 11 may be provided on the main steam supply pipeline 10. The steam supply regulating valve 11 may control the steam volume of the first steam supplied by the main steam supply pipeline 10. One end of the drain assembly 20 may be connected to the main steam supply pipeline 10, and the other end of the drain assembly 20 may be connected to the heating assembly 30.

[0032] When the user needs steam, the user can open the steam supply regulating valve 11 in an electric or manual manner to allow the first steam to flow in the main steam supply pipeline 10 and supply the first steam to the user. It should be noted that the electric manner can be to control the steam supply regulating valve 11 to open by a motor. The user can control the steam volume of the first steam supplied to the user by the main steam supply pipeline 10 through the steam supply regulating valve 11 according to actual conditions.

[0033] Due to the temperature difference between the inside and outside of the main steam supply pipeline 10, the first steam is easily liquefied and condensed into condensed water when flowing in the main steam supply pipeline 10. Therefore, the present application can store the condensed water formed by the liquefaction of the main steam supply pipeline 10 through the drain assembly 20 set in the steam supply system 100, and can heat the condensed water through the heating assembly 30 connected to the drain assembly 20 to generate the second steam, which is supplied to the user or the second steam is transported to the main steam supply pipeline 10 to supplement the steam for the main steam supply pipeline 10, so that the condensed water can be recycled and utilized to avoid the waste of water resources and heat energy.

[0034] In this way, the steam supply system 100 of the present application can store condensed water formed by the liquefaction of the first steam in the main steam supply pipeline 10 through the hydrophobic component 20, and can heat the condensed water through the heating component 30 to form second steam to supply the main steam supply pipeline 10, thereby realizing heat and water recovery of the condensed water and avoiding waste of condensed water and heat contained in the condensed water due to direct discharge of the condensed water.

[0035] In some embodiments, the heating assembly 30 includes a steam generator 31. The steam generator 31 is respectively connected to the main steam supply pipeline 10 and the drain assembly 20. The steam generator 31 is used to heat the condensed water to form the second steam.

[0036] Specifically, the steam supply system 100 further includes an output pipeline 40. The steam generator 31 includes a water inlet 311 and a steam outlet 313. The water inlet 311 of the steam generator 31 is connected to the drain assembly 20, and the steam outlet 313 of the steam generator 31 is connected to the main steam supply pipeline 10 through the output pipeline 40.

[0037] When the steam supplied by the main steam supply pipeline 10 is insufficient or the user needs to use steam, the drain assembly 20 can firstly transport the stored condensed water to the steam generator 31, and the condensed water flows into the steam generator 31 from the water inlet 311 of the steam generator 31. Then, the steam generator 31 can heat the condensed water to form the second steam, and the second steam can be output from the steam outlet 313 of the steam generator 31, and the second steam can be transported to the main steam supply pipeline 10 through the output pipeline 40, so as to supplement the steam for the main steam supply pipeline 10 or directly transport the second steam to the user for use.

[0038] See also Figure 1 In some embodiments, the heating assembly 30 further includes a heating source 33 and a circulation pipeline 35. The circulation pipeline 35 is connected to the steam generator 31. The heating source 33 is disposed on the circulation pipeline 35. A heat transfer medium is stored in the circulation pipeline 35. The heating source 33 is used to heat the heat transfer medium so that the heated heat transfer medium is transported to the steam generator 31 through the circulation pipeline 35.

[0039] Specifically, the heating assembly 30 further includes a first control valve 37. One end of the circulation pipeline 35 is connected to the heat transfer medium inlet 315 of the steam generator 31, and the other end of the circulation pipeline 35 is connected to the heat transfer medium outlet 317 of the steam generator 31. The heating source 33 is arranged on the circulation pipeline 35. The first control valve 37 is arranged on the circulation pipeline 35 and is located between the heat transfer medium inlet 315 of the steam generator 31 and the heating source 33. It should be noted that the heating source 33 can be a solar collector 331, a thermal oil heating device or a thermal oil heating boiler, etc.

[0040] When the steam generator 31 needs to heat the condensed water to generate the second steam, the user can open the first control valve 37 manually or electrically, and the heat transfer medium flows in the circulation pipeline 35, and after the heat transfer medium is heated by the heating source 33 to a temperature greater than a predetermined temperature, the heated heat transfer medium flows through the circulation pipeline 35 and from the heat transfer medium inlet 315 of the steam generator 31 to the heat transfer medium side of the steam generator 31, and exchanges heat with the condensed water on the water side of the steam generator 31 to generate the second steam. Then, the heat transfer medium after the heat exchange with the condensed water on the water side of the steam generator 31 can flow back to the circulation pipeline 35 from the heat transfer medium outlet 317 of the steam generator 31, and after being heated by the heating source 33, it flows into the steam generator 31 again, and the cycle is repeated to continuously heat the condensed water in the steam generator 31, and the second steam is continuously generated. It should be noted that the heat transfer medium can be, for example, thermal oil. The predetermined temperature may be, for example, 180°C, 182°C, 184°C, 186°C, 188°C, 190°C, 192°C, 194°C, 196°C, 198°C or 200°C, without limitation herein.

[0041] In some embodiments, the heating assembly 30 further includes a heat transfer medium pump 39. The heat transfer medium pump 39 is disposed on the circulation pipeline 35. The heat transfer medium pump 39 is used to drive the heat transfer medium in the circulation pipeline 35 to circulate between the heating source 33 and the steam generator 31.

[0042] Specifically, the heat transfer medium pump 39 can be on the circulation pipeline 35 and located between the heat transfer medium outlet 317 of the steam generator 31 and the heating source 33. When the steam generator 31 needs to heat the condensed water to generate the second steam, the user can drive the heat transfer medium to flow in the circulation pipeline 35 through the heat transfer medium pump 39, and heat the heat transfer medium to a temperature greater than the predetermined temperature through the heating source 33. At this time, the user can manually or electrically open the first control valve 37 so that the heated heat transfer medium flows from the heat transfer medium inlet 315 through the circulation pipeline 35 to the heat transfer medium side of the steam generator 31 to exchange heat with the condensed water in the steam generator 31 to generate the second steam. Then, the heat transfer medium after exchanging heat with the condensed water on the water side of the steam generator 31 can flow back to the circulation pipeline 35 from the heat transfer medium outlet 317 of the steam generator 31, and after being heated by the heating source 33, it flows into the steam generator 31 again. In this way, the condensed water in the steam generator 31 is continuously heated in a cycle to continuously generate the second steam.

[0043] It should be noted that the user can freely control the flow rate of the heat-conducting medium flowing into the steam generator 31 through the heat-conducting medium pump 39 according to actual conditions, and freely control the amount of the heat-conducting medium flowing into the steam generator 31 through the first control valve 37, thereby controlling the amount of the second steam generated by the steam generator 31.

[0044] In some embodiments, the heating source 33 includes a solar collector 331. That is, since the solar collector 331 is a device that can convert solar energy into heat energy to heat the heat-conducting medium, and solar energy is a clean energy with less environmental pollution, the present application can reduce the energy pollution generated when heating the heat-conducting medium by using the solar collector 331.

[0045] See also Figure 1 In some embodiments, the drain assembly 20 includes a drain pipe 21 and a drain tank 23. The drain tank 23 is arranged on the drain pipe 21. The drain pipe 21 is respectively connected to the main steam supply pipe 10 and the steam generator 31. The drain tank 23 is used to store condensed water, and the drain pipe 21 is used to transport the condensed water to the drain tank 23 for storage.

[0046] Specifically, the drain assembly 20 further includes a drain valve 25 and a second control valve 27. The drain valve 25 is arranged on the drain pipeline 21 and is located between the main steam supply pipeline 10 and the drain water tank 23. The drain valve 25 is used to control the amount of condensed water flowing from the main steam supply pipeline 10 into the drain water tank 23. The second control valve 27 is arranged on the drain pipeline 21 and is located between the drain water tank 23 and the steam generator 31. The second control valve 27 is used to control the amount of condensed water flowing into the steam generator 31.

[0047] There is a temperature difference between the inside and outside of the main steam supply pipeline 10, so that when the first steam flows in the main steam supply pipeline 10 and liquefies and condenses into condensed water, the user can open the drain valve 25 manually or electrically, and the condensed water can flow into the drain water tank 23 through the drain pipeline 21 for storage.

[0048] When the steam generator 31 needs to generate the second steam, the user can first open the second control valve 27 manually or electrically, so that the condensed water flows from the drain tank 23 through the drain pipe 21, and then enters the water side of the steam generator 31 from the water inlet 311 of the steam generator 31. At this time, the steam generator 31 can heat the condensed water to generate the second steam, and supply it to the user through the output pipe 40 or supply it to the main steam supply pipe 10 for supplementary steam to the main steam supply pipe 10. It should be noted that in the process of delivering condensed water to the steam generator 31 through the drain pipe 21, the user can freely control the amount of condensed water flowing into the steam generator 31 through the second control valve 27 or adjust the water level of the drain tank 23 according to the actual situation, so as to keep the steam volume of the second steam generated by the steam generator 31 unchanged.

[0049] In some embodiments, the drain assembly 20 further includes a water pump 29. The water pump 29 is disposed on the drain pipeline 21. The water pump 29 is used to drive the condensed water in the water pump 29 to flow in the drain pipeline 21 and transport it to the steam generator 31.

[0050] Specifically, the water pump 29 may be disposed on the drain pipe 21 and located between the second control valve 27 and the steam generator 31 .

[0051] When the steam generator 31 needs to generate the second steam, the user can first open the second control valve 27 manually or electrically to allow condensed water to flow from the drain tank 23 into the drain pipe 2153. Then, the condensed water flowing into the drain pipe 21 can be pumped and transported to the steam generator 31 through the water pump 29 to generate the second steam through the steam generator 31. It should be noted that in the process of transporting condensed water to the steam generator 31 through the drain pipe 21, the user can freely control the flow rate of the condensed water flowing into the steam generator 31 through the water pump 29 according to the actual situation, so as to keep the steam volume of the second steam generated by the steam generator 31 unchanged.

[0052] See also Figure 1 In some embodiments, the number of both the hydrophobic component 20 and the heating component 30 are multiple and are arranged in a one-to-one correspondence.

[0053] That is, in one embodiment, Figure 1As shown, the number of both the hydrophobic component 20 and the heating component 30 can be 2, and each hydrophobic component 20 and heating component 30 corresponds to a set of steam generating modules.

[0054] In one example, when the first steam supplied by the main steam supply pipeline 10 is insufficient, each set of steam generating modules can supply second steam to the main steam supply pipeline 10 , thereby supplementing the steam in the main steam supply pipeline 10 .

[0055] In another example, when a user needs to use steam, each set of steam generating modules can provide the second steam to one user respectively, so that each user can freely control the supply amount of the second steam according to his / her demand for steam.

[0056] It should be noted that Figure 1 The number of steam generating modules shown is for example only and the number of steam generating modules is not limited to Figure 1 The two sets are shown, and the number of steam generating modules can also be, for example, 3 sets, 4 sets, 5 sets, 6 sets, 7 sets, 8 sets or 9 sets, etc., without limitation here.

[0057] In some embodiments, the steam supply system 100 includes a heat source 50, and the steam inlet 13 of the main steam supply pipeline 10 is connected to the heat source 50. That is, the first steam supplied by the main steam supply pipeline 10 can be provided by the heat source 50. The heat source 50 can be a thermal power plant or a gas boiler.

[0058] See also Figure 1 In some embodiments, the main steam supply pipeline 10 is connected to a user end 60 .

[0059] Specifically, the user end 60 may include a first user end 61 and a second user end 63. The first user end 61 may be connected to the main steam supply pipeline 10 via a first steam branch pipeline 611. The second user end 63 may be connected to the main steam supply pipeline 10 via a second steam branch pipeline 631. A third control valve 613 may be provided on the first branch pipeline. A fourth control valve 633 may be provided on the second straight pipeline.

[0060] When the users of the first user end 61 and the second user end 63 need to use steam, the third control valve 613 and the fourth control valve 633 can be opened manually or electrically, and the first steam flowing in the main steam supply pipeline 10 can be supplied to the first user end 61 and the second user end 63 through the first steam branch pipeline 611 and the second steam branch pipeline 631. It should be noted that the first user end 61 and the second user end 63 can both refer to steam-using equipment in an enterprise. The steam-using equipment can be, for example, a drying device or a heater.

[0061] It should be noted that Figure 1The number of user terminals 60 shown in the figure is for illustration only. The number of user terminals 60 may be, for example, 3, 4, 5, 6, 7, 8, 9 or 10, which is not limited here.

[0062] In some embodiments, the heating assembly 30 is connected to the main steam supply pipeline 10 and / or the user end 60 to transport the second steam to the main steam supply pipeline 10 and / or the user end 60 .

[0063] Specifically, the heating assembly 30 is connected to the main steam supply pipeline 10 and / or the user end 60, and is used to deliver the second steam to the main steam supply pipeline 10 and / or the user end 60, including the following three situations:

[0064] (1) The heating assembly 30 is connected to the main steam supply pipeline 10 and is used to deliver the second steam to the main steam supply pipeline 10. Figure 1 As shown, for example, the heating assembly 30 can be connected to the main steam supply pipeline 10 through the output pipeline 40 to deliver second steam to supplement steam for the main steam supply pipeline 10 when the first steam in the main steam supply pipeline 10 is insufficient.

[0065] (2) The heating component 30 is connected to the user end 60 and is used to deliver the second steam to the user end 60. Figure 1 As shown, for example, the heating component 30 can be connected to the second steam branch line 631 through the output pipeline 40, and is located between the fourth control valve 633 and the second user end 63. For example, when the second user end 63 needs to use steam, the second steam can be directly supplied to the second user end 63 by the heating component 30 through the output pipeline 40 and the second steam branch line 631. For another example, when the second user end 63 needs to use steam, the user can manually or electrically open the fourth control valve 633 to allow the first steam to flow from the main steam supply pipeline 10 through the second steam branch line 631. At this time, the second steam supplied by the heating component 30 can flow into the second steam branch line 631 through the output pipeline 40, so that the first steam and the second steam merge to supply steam to the second user end 63. It should be noted that the user can control the amount of steam flowing from the first steam into the second steam branch line 631 by adjusting the opening of the fourth control valve 633 to ensure that the amount of steam supplied to the second user end 63 remains unchanged.

[0066] (3) The heating assembly 30 is connected to the main steam supply pipeline 10 and the user end 60, and is used to transport the second steam to the main steam supply pipeline 10 and the user end 60. That is, Figure 1As shown, for example, the heating assembly 30 may include two, one heating assembly 30 is connected to the main steam supply pipeline 10, and the other heating assembly 30 may be connected to the user end 60. When the user needs to use steam, one heating assembly 30 can deliver the second steam to the main steam supply pipeline 10, while the other heating assembly 30 can directly deliver the second steam to the user end 60 for use by the second user end 63.

[0067] To summarize, in an example, when the user end 60 needs to use steam, the heat source 50 can first generate the first steam and transport it to the first user end 61 and the second user end 63 respectively through the main steam supply pipeline 10, so as to supply the first steam to the users of the first user end 61 and the second user end 63 for use. At this time, due to the temperature difference between the inside and outside of the main steam supply pipeline 10, the first steam flows in the main steam supply pipeline 10 to easily liquefy and condense condensed water, and the condensed water can be stored in the hydrophobic component 20.

[0068] When the main steam supply pipeline 10 needs to be supplemented with steam or the user end 60 needs to use steam, the drain assembly 20 can transport the stored condensed water to the steam generator 31. At this time, the heat transfer medium can be heated and then transported to the steam generator 31 through the circulation pipeline 35, so that the heated heat transfer medium exchanges heat with the condensed water in the steam generator 31 to vaporize and generate second steam, and the second steam is transported to the main steam supply pipeline 10 or the user end 60 through the steam outlet 313 of the steam generator 31 and the output pipeline 40, so as to supplement steam to the main steam supply pipeline 10 or supply steam to the user end 60.

[0069] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A steam supply system, characterized in that: The steam supply system comprises: A main steam supply pipeline, used for supplying the first steam; a drain assembly, the drain assembly being connected to the main steam supply pipeline, the drain assembly being used to store condensed water formed by liquefaction of the first steam in the main steam supply pipeline; A heating component is connected to the hydrophobic component, and the heating component is used to heat the condensed water to form second steam.

2. The steam supply system according to claim 1, characterized in that: The heating component includes a steam generator, which is connected to the main steam supply pipeline and the drain component respectively, and is used to heat the condensed water to form second steam.

3. The steam supply system according to claim 2, characterized in that: The heating component also includes a heating source and a circulation pipeline, the circulation pipeline is connected to the steam generator, the heating source is arranged on the circulation pipeline, a heat-conducting medium is stored in the circulation pipeline, and the heating source is used to heat the heat-conducting medium so that the heated heat-conducting medium is transported to the steam generator through the circulation pipeline.

4. The steam supply system according to claim 3, characterized in that: The heating component further includes a heat transfer medium pump, which is disposed on the circulation pipeline and is used to drive the heat transfer medium in the circulation pipeline to circulate between the heating source and the steam generator.

5. The steam supply system according to claim 3, characterized in that: The heating source includes a solar thermal collector.

6. The steam supply system according to claim 2, characterized in that: The drain assembly includes a drain pipeline and a drain water tank. The drain water tank is arranged on the drain pipeline. The drain pipeline is connected to the main steam supply pipeline and the steam generator respectively. The drain water tank is used to store the condensed water. The drain pipeline is used to transport the condensed water to the drain water tank for storage.

7. The steam supply system according to claim 6, characterized in that: The drain assembly also includes a water pump, which is disposed on the drain pipeline and is used to drive the condensed water in the water pump to flow in the drain pipeline and be transported to the steam generator.

8. The steam supply system according to claim 7, characterized in that: The number of both the hydrophobic components and the heating components are multiple and are arranged in one-to-one correspondence.

9. The steam supply system according to claim 1, characterized in that: The steam supply system comprises a heat source, and the steam inlet of the main steam supply pipeline is connected to the heat source.

10. The steam supply system according to claim 1, characterized in that: The main steam supply pipeline is connected to a user end.

11. The steam supply system according to claim 1, characterized in that: The heating component is connected to the main steam supply pipeline and / or the user end, and is used to transport the second steam to the main steam supply pipeline and / or the user end.

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