Steam pipe condensate treatment device and steam pipe condensate treatment system

Abstract

The application provides a steam pipeline condensate water treatment device and a steam pipeline condensate water treatment system. The steam pipeline condensate water treatment device comprises a steam supply unit, a recovery unit, a temporary storage and collection unit, a steam injection unit and a heat exchange unit; the steam supply unit comprises a steam separator; the recovery unit is communicated with a second outlet and can recover liquid flow; the temporary storage and collection unit is communicated with the second outlet and can recover liquid flow when the recovery unit is in a fault state; the steam injection unit is communicated with a first outlet and is used for guiding gas flow. Through the arrangement of a first temperature sensor, a second temperature sensor and a third temperature sensor, the temperature of condensate water on the corresponding pipeline can be effectively monitored, and whether the recovery unit normally works can be judged; when the recovery unit is in a fault state, the temporary storage unit can be started to temporarily store condensate water, and the stable operation of the whole system is ensured.

Description

Technical Field

[0001] This application relates to the field of tobacco manufacturing technology, and in particular to steam pipeline condensate treatment device and steam pipeline condensate treatment system. Background Technology

[0002] Loosening and rehumidifying the tobacco leaves is a crucial step in cigarette manufacturing. Its main task is to loosen, warm, and humidify the dried tobacco slices to achieve suitable temperature and moisture content, thereby improving the toughness and processing resistance of the tobacco leaves and providing a stable raw material for subsequent processes such as leaf moistening and adding other materials.

[0003] During the blade rehydration process, the proper discharge of condensate from the steam pipes has a significant impact on the stable control of the steam system, directly affecting key indicators such as outlet moisture content, outlet temperature, and hot air temperature. When excessive condensate enters the steam system and cannot be discharged in time, or when related valves such as steam traps or pumps malfunction, condensate cannot be discharged properly, thus affecting heat exchange. This results in steam being mixed with a large amount of condensate during injection, severely impacting smooth production.

[0004] Therefore, there is an urgent need for steam pipeline condensate treatment devices and systems to address the technical problems existing in the current technology to a certain extent. Utility Model Content

[0005] The purpose of this application is to provide a steam pipeline condensate treatment device and a steam pipeline condensate treatment system, which can discharge condensate in a timely manner to a certain extent, control steam more accurately, and ensure key indicators such as outlet moisture, outlet temperature, and hot air temperature when the blades are loose and damp. This is to address situations where there is too much condensate entering the steam system and it cannot be discharged in time, or when the steam system's steam traps or related valves such as steam trap pumps fail, thereby achieving more precise control.

[0006] This application provides a steam pipeline condensate treatment device, including: A steam supply unit includes a steam separator for separating the introduced steam into gas and liquid phases, so that a gas stream is directed out through a first outlet of the steam separator and a liquid stream is directed out through a second outlet of the steam separator. The recovery unit, connected to the second outlet, is capable of recovering the liquid flow; A temporary storage and collection unit is connected to the second outlet. When the recovery unit is in a fault state, the temporary storage and collection unit can recover the liquid flow. A steam injection unit, connected to the first outlet, is used to guide the gas flow; The heat exchange unit has one end connected to the first outlet and the other end connected to the return outlet. The collection unit and the temporary storage collection unit are connected; the liquid flow generated by the gas flow through the heat exchange unit can be guided to the recovery unit, and when the recovery unit is in a fault state, it can be guided to the temporary storage collection unit.

[0007] In the above technical solution, the temporary storage collection unit further includes: A temporary storage box, one end of which is connected to the second outlet via a temporary storage pipe, and the other end of which is connected to the recycling unit via a first diversion pipe; A first temperature sensor, a first shut-off valve, and a first diaphragm valve are sequentially arranged on the temporary storage pipeline from the second outlet to the temporary storage box. A first filter, a second membrane valve, and a first angle valve are sequentially installed on the first diversion pipe from the temporary storage box to the recycling unit.

[0008] In the above technical solution, the heat exchange unit further includes a condensate circuit, a fresh air heat exchange steam pipeline, and a third guide pipe; The condensate circuit and the fresh air heat exchange steam pipeline are respectively connected to the first outlet of the steam separator, and the end of the condensate circuit and the fresh air heat exchange steam pipeline opposite to the first outlet is connected to the first guide pipe through the second guide pipe; a second temperature sensor is provided on the condensate circuit, and a third temperature sensor is provided on the fresh air heat exchange steam pipeline. A third flow guide pipe is also provided on the second flow guide pipe, and the end of the third flow guide pipe opposite to the second flow guide pipe is connected to the temporary storage box; a sixth shut-off valve and a third diaphragm valve are sequentially provided on the second flow guide pipe.

[0009] In the above technical solution, the steam pipeline condensate treatment device further includes a discharge unit, which includes a discharge branch. The discharge branch is provided in multiple ways, and the multiple discharge branch are connected in parallel to the temporary storage box; at least one of the discharge branch is connected to the upper edge of the temporary storage box, and the discharge branch is provided with an overflow valve; at least another discharge branch is provided with a first pneumatic ball valve; and at least another discharge branch is provided with a second shut-off valve.

[0010] In the above technical solution, the steam pipeline condensate treatment device further includes a cleaning unit, which includes a cleaning pipeline. The cleaning pipe is connected to the first diversion pipe; a second pneumatic ball valve, a three-way valve and a second angle valve are sequentially installed on the cleaning pipe.

[0011] In the above technical solution, the steam pipeline condensate treatment device further includes a cleaning unit, which includes cleaning the main pipeline and cleaning the branch pipelines. The main cleaning pipeline is connected to the temporary storage box, and a third shut-off valve and a third pneumatic valve are sequentially installed on the main cleaning pipeline. The two ends of the cleaning branch pipe are respectively connected to the third shut-off valve and the three-way valve.

[0012] In the above technical solution, the steam supply unit further includes a steam supply pipeline; The steam supply pipeline is connected to the inlet end of the steam separator, and a fourth shut-off valve, a second filter, and a fifth shut-off valve are sequentially installed on the steam supply pipeline.

[0013] In the above technical solution, the recycling unit further includes a recycling pipeline; The recovery pipeline is equipped with a seventh shut-off valve and a thermodynamic water pump in sequence.

[0014] In the above technical solution, the steam injection unit further includes a dual-medium nozzle ejector pipe and a circulating air direct injection steam pipe; The dual-medium nozzle ejector line and the circulating air direct injection steam line are respectively connected to the first outlet of the steam separator.

[0015] This application also provides a steam pipeline condensate treatment system, including the steam pipeline condensate treatment device described above.

[0016] Compared with the prior art, this application has the following beneficial effects: This application also provides a steam pipeline condensate treatment device, comprising: A steam supply unit includes a steam separator for separating the introduced steam into gas and liquid phases, so that a gas stream is directed out through a first outlet of the steam separator and a liquid stream is directed out through a second outlet of the steam separator. The recovery unit, connected to the second outlet, is capable of recovering the liquid flow; A temporary storage and collection unit is connected to the second outlet. When the recovery unit is in a fault state, the temporary storage and collection unit can recover the liquid flow. A steam injection unit, connected to the first outlet, is used to guide the gas flow; The heat exchange unit has one end connected to the first outlet and the other end connected to the return outlet. The collection unit and the temporary storage collection unit are connected; the liquid flow generated by the gas flow through the heat exchange unit can be guided to the recovery unit, and when the recovery unit is in a fault state, it can be guided to the temporary storage collection unit.

[0017] In summary, by setting up the first, second, and third temperature sensors, the temperature of the condensate on the corresponding pipes can be effectively monitored, thereby determining whether the recovery unit is working properly. When the recovery unit is in a faulty state, the temporary storage unit can be activated to temporarily store the condensate, ensuring the stable operation of the entire system.

[0018] This application also provides a steam pipeline condensate treatment system, including the aforementioned steam pipeline condensate treatment device. Therefore, it possesses all the beneficial effects of the steam pipeline condensate treatment device, which will not be specifically elaborated here. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the steam pipeline condensate treatment device provided in this application.

[0021] Reference numerals: 101-Steam separator; 102-Steam supply pipeline; 103-Fourth shut-off valve; 104-Second filter; 105-Fifth shut-off valve; 106-Pressure reducing valve; 201 - Recovery pipeline; 202 - Seventh shut-off valve; 203 - Thermodynamic water pump; 301 - Temporary storage tank; 302 - First flow guide pipe; 303 - First temperature sensor; 304 - First shut-off valve; 305 - First diaphragm valve; 306 - First filter; 307 - Second diaphragm valve; 308 - First angle valve; 309 - Fourth temperature sensor; 310 - Stirrer; 311 - Vent valve; 312 - Liquid level sensor; 313 - Liquid level gauge; 401 - Dual-medium nozzle ejector line; 402 - Circulating air direct injection steam line; 601-Condensate circuit; 602-Fresh air heat exchange steam pipe; 603-Third guide pipe; 604-Second guide pipe; 605-Second temperature sensor; 606-Third temperature sensor; 607-Sixth shut-off valve; 608-Third diaphragm valve; 701 - Discharge branch; 702 - Overflow valve; 703 - First pneumatic ball valve; 704 - Second shut-off valve; 705 - Fourth diaphragm valve; 801 - Cleaning pipe; 802 - Second pneumatic ball valve; 803 - Three-way valve; 804 - Second angle valve; 901 - Clean the main pipeline; 902 - Clean the branch pipeline; 903 - Third shut-off valve; 904 - Third pneumatic valve; 905 - Clean the nozzle. Detailed Implementation

[0022] The following detailed embodiments are provided to aid the reader in gaining a comprehensive understanding of the methods, apparatus, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and / or systems described herein will be apparent upon understanding the disclosure of this application. For example, the order of operations described herein is merely illustrative and is not limited to the order presented herein; rather, changes that will be apparent upon understanding the disclosure of this application are possible, except for operations that must occur in a specific order. Furthermore, descriptions of features known in the art may be omitted for clarity and brevity. The features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein are provided only to illustrate some of the many possible ways of implementing the methods, apparatus, and / or systems described herein that will be apparent upon understanding the disclosure of this application. Throughout this specification, when an element (such as a layer, region, or substrate) is described as being "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, it may be directly "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, or there may be one or more other elements in between. Conversely, when an element is described as being "directly on" another element, "directly connected to" another element, "directly bonded to" another element, "directly on" another element, or "directly covering" another element, there may be no other elements in between. As used herein, the term "and / or" includes any one of the relevant items listed and any combination of any two or more of them. Although terms such as "first," "second," and "third" may be used herein to describe individual components, members, regions, layers, or portions, these components, members, regions, layers, or portions are not limited by these terms. More precisely, these terms are used only to distinguish one component, element, region, layer, or part from another. Therefore, without departing from the teachings of the examples described herein, the first component, element, region, layer, or part referred to as such in the examples may also be referred to as the second component, element, region, layer, or part. For ease of description, spatial relational terms such as “above,” “upper,” “below,” and “lower” may be used herein to describe the relationship between one element and another, as shown in the accompanying drawings. Such spatial relational terms are intended to include not only the orientation depicted in the drawings but also the different orientations of the device in use or operation. For example, if the device in the drawings is flipped, an element described as being “above” or “upper” relative to another element will subsequently be “below” or “lower” relative to that other element.Therefore, the term "above" includes both "above" and "below" depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., oscillating 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly. The terminology used herein is for describing various examples only and is not intended to limit this disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "comprising," "including," and "having" enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof. Variations in the shapes shown in the figures may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the figures but include changes in shape that occur during manufacturing. The features of the examples described herein may be combined in various ways that will be apparent upon understanding the disclosure of this application. Furthermore, although the examples described herein have a wide variety of constructions, other constructions are possible as will be apparent upon understanding the disclosure of this application.

[0023] Example 1 To address the technical problem that when a large amount of condensate enters the steam system and cannot be discharged in time, or when steam system valves or pumps malfunction, condensate cannot be discharged normally, thus affecting heat exchange and causing steam to be mixed with a large amount of condensate during injection, seriously affecting the smooth operation of production, this application provides a steam pipeline condensate treatment device, which is described below in conjunction with... Figure 1 The device will be described in detail.

[0024] Combination Figure 1 As shown, the steam pipeline condensate treatment device includes a steam supply unit. The steam supply unit includes a steam supply pipeline 102 and a steam separator 101 connected to the steam supply pipeline 102. Saturated steam is guided to the steam separator 101 through the steam supply pipeline 102. Within the steam separator 101, the saturated steam undergoes gas-liquid separation, ultimately forming a gas stream and a liquid stream. The gas stream is discharged through the first outlet of the steam separator 101, and the liquid stream is discharged through the second outlet of the steam separator 101. Specifically, saturated steam enters the steam separator 101 through the steam supply pipeline 102. Inside the separator, liquid water droplets in the steam are effectively separated through physical actions such as gravity settling, centrifugal separation, or mechanical collision. The separated gas stream (dry steam) is discharged from the first outlet, while the separated liquid stream is discharged from the second outlet.

[0025] In addition, a fourth shut-off valve 103, a second filter 104, and a fifth shut-off valve 105 are sequentially installed on the steam supply pipeline 102. The fourth shut-off valve 103, as the inlet control valve of the pipeline, is responsible for opening or cutting off the steam supply and serves as the first line of defense for system safety. The second filter 104, following the second shut-off valve 704, removes impurities and moisture from the steam, protecting the steam separator 101 from contamination and corrosion, and ensuring steam quality. Finally, the seventh shut-off valve 202, as the outlet control valve, precisely regulates or cuts off the flow rate of the purified steam to meet process requirements.

[0026] In addition, a pressure reducing valve 106 is installed at the first outlet. The pressure reducing valve at the first outlet is mainly used to adjust the pressure of the separated gas stream (dry steam) to the working pressure required by the downstream system to ensure its stable output.

[0027] Still combined Figure 1 As shown, the steam pipeline condensate treatment device includes a recovery unit. The recovery unit is connected to the second outlet and can recover the liquid flow generated by the steam separator 101. Specifically, the recovery unit includes a recovery pipeline 201, on which a seventh shut-off valve 202 and a thermal power water pump 203 are sequentially installed. In summary, the recovery unit receives the liquid flow (mainly condensate) discharged from the second outlet of the steam separator 101 and transports it to the boiler room or other systems requiring hot water as boiler feedwater or process water, thereby recovering a large amount of heat energy contained therein and significantly reducing system operating costs. In addition, it and the steam separator 101 are responsible for efficiently separating the gas-liquid two-phase flow in saturated steam, while the recovery unit focuses on collecting and transporting the separated liquid flow. Together, they constitute a complete steam condensate treatment and recovery system.

[0028] Still combined Figure 1 As shown, the steam pipeline condensate treatment device includes a temporary collection unit connected to the second outlet. When the recovery unit is in a faulty state, the temporary collection unit can recover the liquid flow. In other words, the temporary collection unit is the "safety valve" of the steam condensate treatment system. When the recovery unit (including the seventh shut-off valve 202 and the thermal power water pump 203) fails to work properly, it can immediately take over the control to ensure that the high temperature condensate will not flow to the blades in large quantities due to nowhere to go, thus causing the blades to become too wet.

[0029] Specifically, one end of the temporary storage tank 301 is connected to the second outlet via a temporary storage pipe, allowing the liquid flow (mainly condensate) discharged from the separator to smoothly enter the temporary storage tank 301 for temporary storage. The other end of the temporary storage tank 301 is connected to the recovery unit via the first guide pipe 302. Thus, when the condensate in the temporary storage tank 301 is full, the condensate can be drawn by the recovery unit (such as the thermal power water pump 203) and transported to the boiler or other water-using points, achieving the recycling of energy and resources. Of course, when the condensate in the temporary storage tank 301 is full, it is not limited to being drawn by the recovery unit; other processing methods will be used, which will be described below.

[0030] Furthermore, a first temperature sensor 303, a first shut-off valve 304, and a first diaphragm valve 305 are sequentially installed on the temporary storage pipeline from the second outlet to the temporary storage tank 301. The first temperature sensor 303 is installed adjacent to the second outlet and can monitor the temperature of the liquid flow immediately, providing crucial data for subsequent valve operation. For example, when the recovery unit (including the seventh shut-off valve 202 and the thermodynamic water pump 203) malfunctions and cannot operate normally, the condensate produced by the steam separator 101 cannot be directly guided to the recovery unit. At this time, the first temperature sensor 303 will detect that the temperature of the second outlet of the steam separator 101 is higher than normal. When the first temperature sensor 303 detects that the temperature of the second outlet of the steam separator 101 is higher than normal, the temporary storage collection unit is activated, temporarily storing the condensate produced by the steam separator 101 in the temporary storage tank 301.

[0031] The aforementioned first shut-off valve 304, as a manually controlled valve, serves as the first line of defense for system safety, allowing for manual shut-off or opening of the pipeline when necessary. The aforementioned first diaphragm valve 305, as an automatic control valve, can quickly respond to signals from the temperature sensor, precisely adjusting or cutting off the liquid flow to ensure the safety and stability of the temporary storage process.

[0032] In addition, a first filter 306, a second diaphragm valve 307, and a first angle valve 308 are sequentially installed on the first flow guide pipe 302 from the temporary storage tank 301 to the recovery unit. The first filter 306, located adjacent to the outlet of the temporary storage tank 301, is responsible for intercepting any solid particles or impurities that may be present in the liquid flow, preventing them from entering subsequent pipes and equipment and causing blockages or wear. The second diaphragm valve 307, as an automatic control valve, can quickly adjust or cut off the liquid flow based on system signals, achieving precise flow control. The first angle valve 308, as a manual control valve, is the last line of defense for system safety; the pipe can be manually shut off or opened when needed, facilitating maintenance and emergency handling. In summary, the first filter 306, the second diaphragm valve 307, and the first angle valve 308 constitute a multi-stage control system, which fully considers the safety and reliability requirements of industrial pipeline systems. Through layered protection, it can cope with emergencies and ensure the stability and efficiency of the condensate recovery process.

[0033] In addition, the temporary storage tank 301 is equipped with a fourth temperature sensor 309, a stirrer 310, an exhaust valve 311, a liquid level sensor 312, and a liquid level gauge 313. The four temperature sensors monitor the real-time temperature of the liquid inside the temporary storage tank 301. The stirrer 310 prevents stratification or sedimentation of the liquid during temporary storage, ensuring uniform composition, which is crucial for subsequent recovery or processing. The exhaust valve 311 releases accumulated gas inside the temporary storage tank 301, maintaining pressure balance and preventing excessive pressure from affecting system safety. The liquid level sensor 312 and the liquid level gauge 313 provide real-time monitoring and intuitive display of the liquid level, ensuring it remains within a safe range and preventing overflow or evacuation, which are important guarantees for the safe operation of the system.

[0034] Still combined Figure 1 As shown, the steam pipeline condensate treatment device includes a steam injection unit connected to the first outlet for guiding the gas flow. Specifically, the steam injection unit includes a dual-medium nozzle ejector pipe 401 and a circulating air direct injection steam pipe 402; the dual-medium nozzle ejector pipe 401 and the circulating air direct injection steam pipe 402 are respectively connected to the first outlet of the steam separator 101. Here, the dual-medium nozzle ejector pipe 401 and the circulating air direct injection steam pipe 402 are used to guide the steam flow to the blades through different structural methods to humidify the blades. The specific structure and principle of these two pipes are existing technology and can be understood by those skilled in the art, therefore, they will not be described further.

[0035] Still combined Figure 1As shown, the steam pipeline condensate treatment device includes a heat exchange unit. One end of the heat exchange unit is connected to the first outlet, and the other end is connected to both the recovery unit and the temporary storage and collection unit. The liquid flow generated by the gas flow through the heat exchange unit can be guided to the recovery unit, and when the recovery unit is in a faulty state, it can be guided to the temporary storage and collection unit. The heat exchange unit receives the gas flow from the first outlet of the steam separator 101 and condenses the steam into liquid flow through heat exchange. During normal operation, the liquid flow generated by the heat exchange unit is transported to the boiler room or other water points through the recovery pipeline 201 (equipped with a seventh shut-off valve 202 and a thermal power water pump 203), realizing the recycling of energy and resources. The temporary storage and collection unit acts as a "safety valve" for the system. When the recovery unit malfunctions, the system automatically or manually switches the liquid flow to the temporary storage and collection unit for temporary storage, preventing a large amount of condensate from flowing to the blades and causing them to become overly wet.

[0036] The aforementioned structural design significantly improves the system's reliability and fault tolerance, preventing downtime caused by recycling unit malfunctions. It is particularly suitable for industries with stringent continuous production requirements, such as chemical and food processing. Furthermore, it facilitates subsequent maintenance or replacement of the recycling unit. Once the unit is back in normal operation, the temporarily stored condensate can be reintroduced into the recycling process, achieving zero-waste resource recovery.

[0037] Specifically, the heat exchange unit includes a condensate circuit 601, a fresh air heat exchange steam pipe 602, and a third guide pipe 603. The condensate circuit 601 and the fresh air heat exchange steam pipe 602 are respectively connected to the first outlet of the steam separator 101, and the ends of the condensate circuit 601 and the fresh air heat exchange steam pipe 602 opposite to the first outlet are connected to the first guide pipe 302 via a second guide pipe 604.

[0038] The condensate circuit 601 is equipped with a second temperature sensor 605, and the fresh air heat exchange steam pipeline 602 is equipped with a third temperature sensor 606. The second guide pipe 604 is also equipped with a third guide pipe 603, the end of which is opposite to the second guide pipe 604 and connected to the temporary storage box 301. A sixth shut-off valve 607 and a third diaphragm valve 608 are sequentially installed on the third guide pipe 603.

[0039] In the heat exchange unit, the second temperature sensor 605 (located in the condensate circuit 601) and the third temperature sensor 606 (located in the fresh air heat exchange steam pipe 602) together form a precise temperature monitoring network to ensure the efficient and safe operation of the system. The second temperature sensor 605 and the third temperature sensor 606 respectively detect the temperature of the condensate in the condensate circuit 601 and the fresh air heat exchange steam pipe 602. When the temperature is too high, it indicates that the recovery unit has malfunctioned, and a large amount of condensate is blocking the condensate circuit 601 and the fresh air heat exchange steam pipe 602. At this time, the third diversion pipe 603 will be activated to divert the condensate to the temporary storage unit.

[0040] In this embodiment, combined with Figure 1 As shown, the steam pipeline condensate treatment device also includes a discharge unit, which includes a discharge branch 701. Multiple discharge branches 701 are provided, and these multiple discharge branches 701 are connected in parallel to the temporary storage tank 301. At least one discharge branch 701 is connected to the upper edge of the temporary storage tank 301, and this discharge branch is equipped with an overflow valve 702. At least one other discharge branch 701 is equipped with a first pneumatic ball valve 703. At least another discharge branch 701 is equipped with a second shut-off valve 704. Furthermore, another discharge branch 701 can be connected in parallel, and this discharge branch 701 is equipped with a fourth diaphragm valve 705.

[0041] The aforementioned discharge unit, through multiple parallel branches, achieves graded and controllable discharge of condensate from the temporary storage tank 301, ensuring the system's safety and flexibility under different operating conditions. The overflow valve 702 branch, connected to the upper edge of the temporary storage tank 301, serves as a safety pressure relief mechanism. When the pressure or liquid level inside the temporary storage tank 301 exceeds a set threshold, the overflow valve 702 automatically opens, discharging excess condensate or gas to prevent overpressure and ensure system safety. The first pneumatic ball valve 703 branch is a rapid discharge channel. Driven by the control system, the pneumatic ball valve can be remotely and quickly opened and closed. When rapid emptying of the temporary storage tank 301 is required (e.g., in an emergency or for system maintenance), this valve can be quickly opened for efficient discharge. The second shut-off valve 704 branch is a conventional discharge channel, typically used for manual adjustment or flow cutoff. This valve can be manually operated when a portion of the condensate needs to be discharged in a controllable manner or for system maintenance. The aforementioned multi-branch parallel design allows the system to flexibly select the discharge method according to actual needs, satisfying both the need for safe pressure relief and providing flexibility for both rapid and conventional discharge, greatly improving the system's reliability and operability.

[0042] In this embodiment, combined with Figure 1As shown, the steam pipeline condensate treatment device also includes a cleaning unit, which includes a cleaning pipe 801 connected to the first diversion pipe 302. A second pneumatic ball valve 802, a three-way valve 803, and a second angle valve 804 are sequentially installed on the cleaning pipe 801. This cleaning unit is designed to allow the condensate in the storage tank 301 to be used for cleaning other components when the entire system is not in operation. The second pneumatic ball valve 802 serves as the inlet control valve for the cleaning pipe 801, enabling remote and rapid opening or closing for convenient cleaning operations. The three-way valve 803 is a key diversion control component, precisely directing the condensate from the storage tank 301 into the cleaning pipe 801. The second angle valve 804 serves as the outlet control valve, used to regulate the discharge of condensate.

[0043] In this embodiment, combined with Figure 1 As shown, the steam pipeline condensate treatment device also includes a cleaning unit, which includes a main cleaning pipeline 901 and a branch cleaning pipeline 902; the main cleaning pipeline 901 is connected to the temporary storage box 301, and a third shut-off valve 903 and a third pneumatic valve 904 are sequentially installed on the main cleaning pipeline 901. The two ends of the cleaning branch pipe 902 are connected to the third shut-off valve 903 and the three-way valve 803, respectively. The cleaning unit can clean the temporary storage tank 301 in a timely manner to prevent the accumulation of residues from affecting the normal operation of the system.

[0044] The specific usage method of the above structure is as follows: Before preheating, the fourth shut-off valve 103 is opened, and steam passes through the second filter 104 and the fifth shut-off valve 105 before entering the steam-water separator. After entering the separator, under normal conditions, condensate flows through the thermodynamic water pump 203 and the seventh shut-off valve 202 into the recovery pipeline 201. At this time, the first temperature sensor 303 monitors the temperature of the condensate discharged from the steam-water separator in real time. When the first temperature sensor 303 detects that the condensate temperature is lower than the temperature at the corresponding pressure after a certain period, the first diaphragm valve 305 opens, and condensate flows through the first shut-off valve 304. The first diaphragm valve 305 gradually opens according to the set opening degree, entering the condensate storage tank 301. When the first temperature sensor 303 detects that the condensate temperature reaches the temperature at the corresponding steam pressure, the first diaphragm valve 305 gradually closes according to the preset procedure.

[0045] During preheating, steam continues to enter the fresh air heat exchange steam pipeline 602 through the pressure reducing valve. The steam exchanges heat with the air in the fresh air heat exchange steam pipeline 602 via a heat exchanger. The resulting condensate enters the third guide pipe 603. At this time, the third temperature sensor 606 monitors the temperature of the condensate produced in the fresh air heat exchange steam pipeline 602 in real time. After a certain preheating period, if the temperature value monitored by the third temperature sensor 606 is still lower than the condensate temperature at the corresponding steam pressure, the third diaphragm valve 608 gradually opens according to a preset procedure. The condensate then enters the temporary storage tank 301 through the sixth shut-off valve 607 and the third diaphragm valve 608. When the third temperature sensor 606 detects that the condensate temperature has reached the temperature value at the corresponding steam pressure, the third diaphragm valve 608 gradually closes according to a preset procedure.

[0046] When preheating ends and material feeding begins, the steam valve leading to the fresh air heat exchange steam pipeline 602 is closed. At this time, steam enters three separate pipelines: one in the dual-medium nozzle ejector pipeline 401, one in the circulating air direct injection steam pipeline 402, and one in the condensate circuit 601. After passing through the heat exchanger, the steam in the condensate circuit 601 becomes condensate and enters the recovery unit. Meanwhile, the second temperature sensor 605 monitors the condensate temperature. After a certain period, when the condensate temperature detected by the second temperature sensor 605 is lower than the temperature at the corresponding steam pressure, the third diaphragm valve 608 gradually opens, and the condensate flows through the sixth shut-off valve 607 and the third diaphragm valve 608 into the temporary storage tank 301. When the temperature detected by the second temperature sensor 605 reaches the condensate temperature value at the corresponding steam pressure, the third diaphragm valve 608 gradually closes.

[0047] Temporary storage tank 301 collects condensate that cannot be properly recovered from various pipelines under different conditions. The recovered condensate enters the recovery unit after passing through the first filter 306 and the first angle valve 308. When too much condensate is produced and the temporary storage tank 301 cannot hold it, the liquid level sensor 312 detects that the condensate level is too high. A large amount of condensate is discharged through the overflow valve 702 and also through the fourth diaphragm valve 705 to the floor drain.

[0048] When production ends, the condensate collected in the temporary storage box 301 can enter the cleaning pipe 801 through the second pneumatic ball valve 802, three-way valve 803, and second angle valve 804 to participate in the cleaning of the blade loosening and rehydration roller.

[0049] When the temporary storage tank 301 reaches a certain usage period, the cleaning water enters the cleaning nozzle 905 through the third shut-off valve 903 and the third pneumatic valve 904 to clean the temporary storage tank 301. During cleaning, the agitator 310 is turned on to prevent scale from settling and to assist in cleaning the temporary storage tank 301. The cleaned water is discharged to the floor drain.

[0050] In summary, by setting up the first temperature sensor 303, the second temperature sensor 605, and the third temperature sensor 606, the temperature of the condensate on the corresponding pipeline can be effectively monitored, thereby determining whether the recovery unit is working properly. When the recovery unit is in a faulty state, the temporary storage unit can be activated to temporarily store the condensate, ensuring the stable operation of the entire system.

[0051] Example 2 This application also provides a steam pipeline condensate treatment system, including the aforementioned steam pipeline condensate treatment device. Therefore, it possesses all the beneficial effects of the steam pipeline condensate treatment device, which will not be specifically elaborated here.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A steam pipeline condensate treatment device, characterized in that, include: A steam supply unit includes a steam separator for separating the introduced steam into gas and liquid phases, so that a gas stream is directed out through a first outlet of the steam separator and a liquid stream is directed out through a second outlet of the steam separator. The recovery unit, connected to the second outlet, is capable of recovering the liquid flow; A temporary storage and collection unit is connected to the second outlet. When the recovery unit is in a fault state, the temporary storage and collection unit can recover the liquid flow. A steam injection unit, connected to the first outlet, is used to guide the gas flow; The heat exchange unit has one end connected to the first outlet and the other end connected to the return outlet. The receiving unit and the temporary storage collection unit are connected; The liquid flow generated by the gas flow through the heat exchange unit can be directed to the recovery unit, and when the recovery unit is in a fault state, it can be directed to the temporary storage and collection unit.

2. The steam pipeline condensate treatment device according to claim 1, characterized in that, The temporary storage collection unit includes: A temporary storage box, one end of which is connected to the second outlet via a temporary storage pipe, and the other end of which is connected to the recycling unit via a first diversion pipe; A first temperature sensor, a first shut-off valve, and a first diaphragm valve are sequentially arranged on the temporary storage pipeline from the second outlet to the temporary storage box. A first filter, a second membrane valve, and a first angle valve are sequentially installed on the first diversion pipe from the temporary storage box to the recycling unit.

3. The steam pipeline condensate treatment device according to claim 2, characterized in that, The heat exchange unit includes a condensate circuit, a fresh air heat exchange steam pipeline, and a third guide pipe. The condensate circuit and the fresh air heat exchange steam pipeline are respectively connected to the first outlet of the steam separator, and the end of the condensate circuit and the fresh air heat exchange steam pipeline opposite to the first outlet is connected to the first guide pipe through the second guide pipe; a second temperature sensor is provided on the condensate circuit, and a third temperature sensor is provided on the fresh air heat exchange steam pipeline. A third flow guide pipe is also provided on the second flow guide pipe, and the end of the third flow guide pipe opposite to the second flow guide pipe is connected to the temporary storage box; a sixth shut-off valve and a third diaphragm valve are sequentially provided on the third flow guide pipe.

4. The steam pipeline condensate treatment device according to claim 2, characterized in that, The steam pipeline condensate treatment device further includes a discharge unit, which includes a discharge branch; The discharge branch is provided in multiple ways, and the multiple discharge branch are connected in parallel to the temporary storage box; at least one of the discharge branch is connected to the upper edge of the temporary storage box, and the discharge branch is provided with an overflow valve; at least another discharge branch is provided with a first pneumatic ball valve; and at least another discharge branch is provided with a second shut-off valve.

5. The steam pipeline condensate treatment device according to claim 4, characterized in that, The steam pipeline condensate treatment device also includes a cleaning unit, which includes a cleaning pipeline. The cleaning pipe is connected to the first diversion pipe; a second pneumatic ball valve, a three-way valve and a second angle valve are sequentially installed on the cleaning pipe.

6. The steam pipeline condensate treatment device according to claim 5, characterized in that, The steam pipeline condensate treatment device also includes a cleaning unit, which includes cleaning the main pipeline and cleaning the branch pipelines. The main cleaning pipeline is connected to the temporary storage box, and a third shut-off valve and a third pneumatic valve are sequentially installed on the main cleaning pipeline. The two ends of the cleaning branch pipe are respectively connected to the third shut-off valve and the three-way valve.

7. The steam pipeline condensate treatment device according to claim 1, characterized in that, The steam supply unit also includes a steam supply pipeline; The steam supply pipeline is connected to the inlet end of the steam separator, and a fourth shut-off valve, a second filter, and a fifth shut-off valve are sequentially installed on the steam supply pipeline.

8. The steam pipeline condensate treatment device according to claim 1, characterized in that, The recycling unit includes recycling pipelines; The recovery pipeline is equipped with a seventh shut-off valve and a thermodynamic water pump in sequence.

9. The steam pipeline condensate treatment device according to claim 1, characterized in that, The steam injection unit includes a dual-medium nozzle ejector pipe and a circulating air direct injection steam pipe. The dual-medium nozzle ejector line and the circulating air direct injection steam line are respectively connected to the first outlet of the steam separator.

10. A steam pipeline condensate treatment system, characterized in that, The steam pipeline condensate treatment device includes any one of claims 1-9.

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