WO2023155347A1 - 生产混凝土管桩工厂的蒸汽利用系统 - Google Patents

生产混凝土管桩工厂的蒸汽利用系统 Download PDF

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Publication number
WO2023155347A1
WO2023155347A1 PCT/CN2022/099653 CN2022099653W WO2023155347A1 WO 2023155347 A1 WO2023155347 A1 WO 2023155347A1 CN 2022099653 W CN2022099653 W CN 2022099653W WO 2023155347 A1 WO2023155347 A1 WO 2023155347A1
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Prior art keywords
steam
booster
inlet
outlet
pressure
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Ceased
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PCT/CN2022/099653
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English (en)
French (fr)
Inventor
刘效洲
刘杰成
陈法伊
高富强
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Guangdong University of Technology
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Guangdong University of Technology
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Application filed by Guangdong University of Technology filed Critical Guangdong University of Technology
Priority to US18/299,739 priority Critical patent/US12485577B2/en
Publication of WO2023155347A1 publication Critical patent/WO2023155347A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D11/00—Feed-water supply not provided for in other main groups
    • F22D11/02—Arrangements of feed-water pumps
    • F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245—Curing concrete articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48—Devices or arrangements for removing water, minerals or sludge from boilers ; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/50—Devices or arrangements for removing water, minerals or sludge from boilers ; Arrangement of cleaning apparatus in boilers; Combinations thereof with boilers for draining or expelling water

Definitions

  • the invention relates to the field of steam energy utilization, in particular to a steam residual pressure utilization system.
  • Concrete pipe pile is a cement concrete product produced by centrifugal molding process, which is widely used in building foundation projects.
  • steam curing is usually used.
  • Secondary curing process of pressure steaming The production and maintenance of concrete pipe piles need to consume a lot of water vapor.
  • a pipe pile maintenance steam recycling system disclosed in Chinese Patent Application No. 201920337710.1 includes a boiler room and an autoclave.
  • the boiler room is connected to the autoclave through an outlet pipe.
  • the extension pipe is connected with a floor heating system, and the floor heating system is connected to the boiler room through a return pipe.
  • the pipe pile maintenance steam recycling system has the following disadvantages or deficiencies: (1), this patent does not have a booster device, which cannot realize steam boosting and utilization; (2), the steam waste heat released by the autoclave is difficult to fully utilize, because South China The area does not require a floor heating system.
  • Another example is the prestressed pipe pile autoclave steam recycling system disclosed in Chinese Patent Application No. 201510164061.6, which includes a boiler, an autoclave and a steam curing pool.
  • the autoclave is connected to the boiler through a steam delivery pipeline, and the steam delivery pipeline is An air delivery valve is provided, the steam curing pool is connected to the autoclave through a steam exhaust pipe, the front end of the steam exhaust pipe is provided with an exhaust valve, and the rear end of the steam exhaust pipe is provided with a steam curing pool Steam delivery valve.
  • this prestressed pipe pile autoclave steam recycling system has the following disadvantages or deficiencies: (1), it is not suitable for the situation of using power plant steam to realize centralized heating, and the use cost is high; (2), it does not make full use of the steam discharged from the curing pool after the heat.
  • the purpose of the present invention is to provide a steam boost utilization system for concrete pipe pile factories, which can make full use of the low-pressure steam delivered by the power plant, and then use natural gas boilers and electric boilers to provide high-pressure steam, so that the steam boost can reach the concrete pipe pile factory According to the production requirements, the steam can not only be used for production, but also the hot water can be exchanged for heat, realizing the effect of energy recycling.
  • the present invention provides a steam utilization system for producing concrete pipe piles, including: a steam delivery device, a steam curing tank, several reaction kettles, a steam generating device, a first sub-cylinder, and a first booster , the second booster and the sewage expansion container, wherein the steam delivery device is used to transport low-pressure steam from the power plant, the steam curing pool is used to steam the concrete pipe piles with the first pressure steam, and the reaction kettle is used to use the second pressure steam
  • the steam-cured concrete pipe piles are pressure-cured by pressure steam, and the steam generating device is used to generate high-pressure steam, which is connected with the first sub-cylinder through the pipeline;
  • the first sub-cylinder includes: the first cylinder body, located in the first The high-pressure steam inlet on the cylinder body, the first high-pressure steam outlet, the second high-pressure steam outlet, and the third high-pressure steam outlet, the high-pressure steam inlet of the first sub-cylinder is connected with the steam generating device through a pipeline;
  • the first booster includes
  • the first booster includes: the second booster body, the No. 1 steam inlet of the second booster installed on the second booster body, and the No. 2 steam inlet of the second booster , and the steam outlet of the second booster, the No.
  • the No. 2 steam inlet of the second booster is connected with the sewage expansion vessel.
  • the steam outlet of the second booster is connected with the steam culture tank through the pipeline;
  • the sewage expansion vessel includes: the expansion vessel body, the steam inlet, the steam outlet and the sewage outlet arranged on the expansion vessel body, the steam inlet and the steam and steam of each reactor
  • the condensed water discharge port is connected, and the steam outlet is connected with the No. 2 steam inlet of the second booster of the second booster.
  • one blowdown expander is connected to 2 to 5 reactors, such as 3 or 4.
  • the reactor is a high-pressure reactor.
  • the second sub-cylinder includes: a second cylinder, a low-pressure steam inlet provided on the second cylinder, a first low-pressure steam outlet and a second The low-pressure steam outlet, the low-pressure steam inlet is connected with the second booster steam outlet of the second booster through the pipeline, and the first low-pressure steam outlet is connected with the steam curing tank to provide low-pressure steam to the steam curing tank, and the second low-pressure steam The outlet communicates with the third booster through pipelines; the third booster includes the third booster body, the No. 1 steam inlet of the third booster installed on the third booster body, the third booster The No. 2 steam inlet and the steam outlet of the third booster, the No.
  • the internal structures of the first booster, the second booster and the third booster are the same, including: No. 1 steam chamber communicated with the steam inlet for introducing high-pressure steam, located at No. 1
  • the diffuser at the other end of the diffuser, the gas outlet direction of the diffuser is connected with the steam outlet of the steam.
  • a steam storage device is provided on the reaction steam channel, and the steam storage device is connected to the air inlet of each reactor, and each air inlet is provided with a valve and a pressure monitor.
  • the steam generation device includes: an electric boiler and a natural gas boiler, the electric boiler generates electricity through solar photovoltaic panels, and the high-pressure steam discharge ports of the electric boiler and the natural gas boiler are respectively connected with the high-pressure steam inlet of the first sub-cylinder to generate The 2.5MPa high-pressure steam is transmitted to the first sub-cylinder.
  • the first pressure is set to 0.3MPa
  • the second pressure is set to 1.0MPa.
  • the steam generating device transmits the generated high-pressure steam of 2.5MPa to the first sub-cylinder, and the high-pressure steam of 2.5MPa enters the first booster from the first high-pressure steam outlet and the No. 1 steam inlet of the first booster
  • it is mixed with the 0.7MPa low-pressure steam from the power plant delivered by the steam delivery device to form the second pressure steam of 1.0MPa
  • the second pressure steam of 1.0MPa is delivered to the steam through the steam outlet of the first booster through the reaction steam channel storage device, and then pour into each reactor until the pressure in each reactor reaches 1.0MPa, close the valve to stop the injection of 1.0MPa second pressure steam, until the pressure drops to 0.8MPa, then open the valve to continue Inject 1.0MPa second pressure steam;
  • 2.5MPa high-pressure steam enters the second booster from the second high-pressure steam outlet and No.
  • the second pressure steam of 1.0 MPa generated by the first booster can be transmitted to high-pressure reactors in other workshops for pressure curing of concrete pipe piles.
  • the concrete pipe piles are pressure-cured in the reactor for 2-3 hours.
  • the hot water pool includes a water storage body, a first hot water inlet, a second hot water inlet and a hot water outlet arranged on the water storage body, the first hot water inlet and the drainage of the steam curing pool The mouth is connected, and the second hot water inlet is connected with the sewage outlet of the sewage expansion vessel.
  • a heat exchanger is also included, and the heat exchanger includes a heat exchanger body, a hot sewage inlet, a cold sewage outlet, a cold water inlet and a hot water outlet arranged on the water heater body, the hot sewage inlet and the hot water of the hot water pool
  • the water outlet is connected, the cold sewage outlet is connected with the drainage ditch, the cold water inlet is connected with the cold water source, and the hot water outlet is connected with the steam generating device.
  • a water delivery valve is provided on the pipeline between the second hot water inlet and the sewage outlet of the sewage expansion vessel, and a replenishing water pump is provided on the pipeline between the cold water source and the cold water inlet.
  • the hot sewage at 85-95 degrees Celsius from the sewage expansion vessel and the hot water at 65-75 degrees Celsius from the steam culture tank enter the heat exchanger through the hot water pool, and are heated with the cold water at 20-25 degrees Celsius from the cold water source.
  • the formed hot water at 70-80 degrees Celsius is sent to the steam generating device to generate high-pressure steam, and the cold sewage at 20-25 degrees Celsius formed after the heat exchange is discharged to the drain.
  • the beneficial effects of the present invention are: (1), the residual steam pressure generated after high-pressure steam curing is fully excavated, and the first pressure steam formed after mixing with high-pressure steam is provided to the steam curing pool for steam curing of concrete pipe piles, fully Utilizes steam energy, which is more energy-saving and environmentally friendly; (2) Effectively utilizes the hot water energy discharged from the steam curing tank and the sewage expansion vessel to exchange heat from cold water into hot water at about 75 degrees Celsius, and then provide it to electric boilers and natural gas boilers, thereby It can quickly generate high-pressure steam, which not only improves the energy utilization rate of the whole system, but also improves the steam generation efficiency, energy saving and environmental protection; (3), it is suitable for using power plant steam to realize centralized heating, and can increase the pressure of power plant steam to ensure While increasing the production capacity, the environmental protection effect is achieved.
  • Fig. 1 shows a schematic structural view of a steam utilization system of a factory for producing concrete pipe piles according to the present invention.
  • Fig. 2 shows a schematic structural diagram of the first booster of the present invention.
  • the steam utilization system of the production concrete pipe pile factory includes: steam delivery device 1, electric boiler 2, natural gas boiler 3, steam curing pool 4, three reaction Kettle 5, blowdown expander 6, first sub-cylinder F1, second sub-cylinder F2, first booster S1, second booster S2, and third booster S3.
  • the steam curing pool 4 utilizes the first pressure steam of 0.3MPa to steam-cure the concrete pipe piles
  • the reactor 5 utilizes the second pressure steam of 1.0MPa to steam-cure the concrete pipe piles.
  • the steam conveying device 1 conveys the 0.7MPa low-pressure steam from the power plant to the first booster S1, the electric boiler 2 and the natural gas boiler 3 respectively generate 2.5MPa high-pressure steam, and the high-pressure steam is conveyed to the first sub-cylinder F1 .
  • the electric boiler 2 generates electricity through a solar photovoltaic panel 7 .
  • the first sub-cylinder F1 includes a first cylinder block (not labeled in the figure), a high-pressure steam inlet F10, a first high-pressure steam outlet F11, a second high-pressure steam outlet F12, and a third high-pressure steam outlet F13.
  • the first sub-cylinder F1 The high-pressure steam inlet F10 communicates with the electric boiler 2 and the natural gas boiler 3 through pipes.
  • the first booster S1 includes the first booster body (not labeled in the figure), the No. 1 steam inlet S11 of the first booster, the No. 2 steam inlet S12 of the first booster, and the steam outlet S13 of the first booster , the No. 1 steam inlet S11 of the first booster communicates with the first high-pressure steam outlet F11 of the first sub-cylinder F1, the No. 2 steam inlet S12 of the first booster communicates with the steam delivery device 1, and the first booster
  • the steam outlet S13 communicates with the gas inlet 51 of each reactor 5 through the reaction steam channel L.
  • the second booster S2 includes a second booster body (not labeled in the figure), No. 1 steam inlet S21 of the second booster, No. 2 steam inlet S22 of the second booster, and steam outlet of the second booster S23, the No. 1 steam inlet S21 of the second booster communicates with the second high-pressure steam outlet F12 of the first sub-cylinder F1, and the No. 2 steam inlet S22 of the second booster communicates with the sewage expansion vessel 6, and the second booster
  • the device steam outlet S23 communicates with the steam culture tank 4 through a pipeline.
  • the blowdown expander 6 includes an expander body (not labeled in the figure), a steam inlet 61, a steam outlet 62 and a sewage outlet 63.
  • the steam inlet 61 communicates with the steam and condensed water outlet 52 of each reactor 5, and the steam outlet 62 It communicates with the steam inlet S22 of the second booster No. 2 of the second booster S2.
  • the second sub-cylinder F2 includes a second cylinder block (not labeled in the figure), a low-pressure steam inlet F20, a first low-pressure steam outlet F21, a second low-pressure steam outlet F22, and a low-pressure steam inlet F20.
  • the second booster steam outlet S23 of the second booster S2 is communicated with through the pipeline, and the first low-pressure steam outlet F21 is communicated with the steam-curing tank 4, so that the low-pressure steam of 0.3MPa can be provided to the steam-raising tank 4.
  • the second low-pressure steam outlet F22 communicates with the third booster S3 through a pipeline.
  • the third booster S3 includes a third booster body (not labeled in the figure), No. 1 steam inlet S31 of the third booster, No. 2 steam inlet S32 of the third booster, and steam outlet S33 of the third booster , No. 1 steam inlet S31 of the third booster is connected to F13 with the third high-pressure steam outlet of the first sub-cylinder F1, and No. 2 steam inlet S32 of the third booster is connected with the second low-pressure steam outlet of the second sub-cylinder F2 Through F22, the steam outlet S33 of the third booster communicates with each reactor 5 through the reaction steam channel L.
  • the internal structures of the first booster S1, the second booster S2 and the third booster S3 are the same, taking the first booster S1 as an example, as shown in FIG. 2 , Its interior includes: No. 1 steam chamber S101, No. 2 steam chamber S102, nozzle S103, mixing chamber S104 and diffuser S105. Specifically, No. 1 steam inlet S11 and a No. 1 steam chamber S101 is connected, and enters the mixing chamber S104 at high speed through the nozzle S103 to form a local negative pressure. The low-pressure steam at the No. 2 steam inlet S12 of the first booster is sucked into the mixing chamber S104 and mixed with the high-pressure steam. Medium-pressure steam is formed at the diffuser S105 and sent to the steam outlet S13 of the first booster to be injected out of the first booster S1.
  • a steam storage device 8 is arranged on the reaction steam channel L, and the steam storage device 8 communicates with the gas inlet 51 of each reactor 5, and each gas inlet 51 is provided with a valve V and Pressure monitor P, so that the steam pressure in each reactor can be monitored at any time and the steam filling of each reactor can be controlled.
  • the electric boiler 2 and the natural gas boiler 3 transmit the 2.5MPa high-pressure steam to the first sub-cylinder F1
  • the 2.5MPa high-pressure steam comes from the first high-pressure steam outlet F11 and the No. 1 steam inlet of the first booster S11 enters the first booster S1 and mixes with the 0.7MPa low-pressure steam from the power plant delivered by the steam delivery device 1 to form the second pressure steam of 1.0MPa, which passes through the first booster
  • the steam outlet S13 is sent to the steam storage device 8 through the reaction steam channel L, and then poured into each reactor 5 until the pressure in each reactor 5 reaches 1.0MPa, and the valve V is closed to stop the second injection of 1.0MPa.
  • the hot water pool 9 includes a water storage body (not numbered in the figure), a first hot water inlet 91, a second hot water inlet 92 and a heat exchanger.
  • the water outlet 93 and the first hot water inlet 91 communicate with the drain (not labeled) of the steam culture tank 4
  • the second hot water inlet 92 communicates with the sewage outlet 63 of the sewage expansion vessel 6 .
  • the heat exchanger 10 includes a heat exchanger body (not labeled in the figure), a hot sewage inlet 101, a cold sewage outlet 102, a cold water inlet 103 and a hot water outlet 104, and the hot sewage inlet 101 is connected to the hot water outlet 93 of the hot water pool
  • the cold sewage outlet 102 is connected with the drain (not shown in the figure)
  • the cold water inlet 103 is connected with the cold water source (not shown in the figure)
  • the hot water outlet 104 is connected with the electric boiler 2 and the natural gas boiler 3 .
  • a water delivery valve G1 is provided on the pipeline between the second hot water inlet 92 and the sewage outlet 63 of the blowdown expander 6 , and a supplementary water pump G2 is provided on the pipeline between the cold water source and the cold water inlet 103 .
  • the hot sewage at 85-95 degrees Celsius from the sewage expansion vessel 6 and the hot water at 65-75 degrees Celsius from the steam culture tank 4 enter the heat exchanger 10 through the hot water pool 9, and the 20-25 degrees Celsius from the cold water source
  • the formed hot water at 70-80 degrees Celsius is sent to the electric boiler 2 and the natural gas boiler 3 to generate high-pressure steam, and the cold sewage at 20-25 degrees Celsius formed after the heat exchange is discharged to the drain.

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Abstract

一种生产混凝土管桩工厂的蒸汽利用系统，包括：蒸汽输送装置（1）、蒸养池（4）、若干个反应釜（5）、蒸汽产生装置、第一分气缸（F1）、第一升压器（S1）、第二升压器（S2）及排污扩容器（6），第一分气缸（F1）的高压蒸汽入口（F10）与蒸汽产生装置相连通，第一升压器一号蒸汽入口（S11）与第一分气缸（F1）的第一高压蒸汽出口（F11）相连通，第一升压器二号蒸汽入口（S12）与蒸汽输送装置（1）相连通，第一升压器蒸汽出口（S13）与每一个反应釜（5）的入气口（51）相连通，第二升压器（S2）的第二升压器一号蒸汽入口（S21）与第一分气缸（F1）相连通，第二升压器二号蒸汽入口（S22）与排污扩容器（6）相连通，第二升压器蒸汽出口（S23）与蒸养池（4）相连通，排污扩容器（6）的蒸汽入口（61）与每一个反应釜（5）的蒸汽和冷凝水排出口（52）相连通，蒸汽出口（62）与第二升压器（S2）的第二升压器二号蒸汽入口（S22）相连通。

Description

生产混凝土管桩工厂的蒸汽利用系统 技术领域
本发明涉及蒸汽能源利用领域，特别涉及一种蒸汽余压利用系统。
 背景技术
混凝土管桩是采用离心成型工艺生产的水泥混凝土制品，广泛应用于建筑基础工程，混凝土管桩生产中为了实现混凝土强度快速达到强度等级要求，降低管模及堆场的运转周期，通常采用蒸养—压蒸的二次养护工艺。混凝土管桩管桩生产养护过程需要消耗大量的水蒸汽。
目前生产混凝土管桩的工厂，采用集中供热的方式。但因为煤炭资源紧缺，价格昂贵，晚上电厂输送至生产混凝土管桩工厂的蒸汽压力不够，使得混凝土管桩的生产受到很大影响，但是又必须使用电厂蒸汽以实现集中供热，为此不得不额外提供高压蒸汽，将电厂的供应蒸汽升压以便达到生产要求。
中国专利申请201920337710.1号公开的一种管桩养护蒸汽循环利用系统，其包括锅炉房和高压釜，锅炉房通过出气管道与高压釜连接，高压釜通过连接管道连接有蒸汽养护池，蒸汽养护池通过延伸管道连接有地暖系统，地暖系统通过回流管道连接在锅炉房上。然而，该管桩养护蒸汽循环利用系统存在以下缺点或不足：（1）、此专利没有升压装置，无法实现蒸汽升压利用；（2）、高压釜释放的蒸汽余热难以充分利用，因为华南地区无需地暖系统。
又如中国专利申请201510164061.6号公开的预应力管桩高压釜蒸汽循环利用系统，包括锅炉、高压釜和蒸汽养护池，所述的高压釜通过蒸汽送气管道与锅炉连接，所述的蒸汽输送管道上设置有送气阀阀门，所述的蒸汽养护池通过蒸汽排气管道与高压釜连接，所述的蒸汽排气管道的前端设置有排气阀阀门，蒸汽排气管道的后端设置有蒸汽养护池送汽阀阀门。然而，该预应力管桩高压釜蒸汽循环利用系统存在以下缺点或不足：（1）、不适合使用电厂蒸汽实现集中供热的情况，使用成本高；（2）、没有充分利用养护池蒸汽排出后的热量。
因此，提供一种可以适用集中供热并充分利用蒸汽余压，并能对现有集中供热蒸汽升压利用，实现能源循环使用的生产混凝土管桩工厂的蒸汽利用系统成为业内急需解决的问题。
 技术问题
本发明的目的是提供一种生产混凝土管桩工厂的蒸汽升压利用系统，其能够充分利用电厂输送的低压蒸汽，再利用天然气锅炉和电锅炉提供高压蒸汽，使得蒸汽升压达到混凝土管桩工厂的生产要求，蒸汽不仅可供生产使用，而且产生的热水还可以进行换热，实现了能量循环利用的效果。
 技术解决方案
为了实现上述目的，本发明提供了一种生产混凝土管桩工厂的蒸汽利用系统，包括：蒸汽输送装置、蒸养池、若干个反应釜、蒸汽产生装置、第一分气缸、第一升压器、第二升压器以及排污扩容器，其中，蒸汽输送装置用于输送来自电厂的低压蒸汽，蒸养池用于利用第一压力蒸汽对混凝土管桩进行蒸养，反应釜用于利用第二压力蒸汽对进行过蒸养的混凝土管桩进行压养，蒸汽产生装置用于产生高压蒸汽，其通过管道与第一分气缸相连通；第一分气缸包括：第一缸体、设于第一缸体上的高压蒸汽入口、第一高压蒸汽出口、第二高压蒸汽出口、以及第三高压蒸汽出口，第一分气缸的高压蒸汽入口通过管道与蒸汽产生装置相连通；第一升压器包括：第一升压器本体、设于第一升压器本体上的第一升压器一号蒸汽入口、第一升压器二号蒸汽入口及第一升压器蒸汽出口，第一升压器一号蒸汽入口与第一分气缸的第一高压蒸汽出口相连通，第一升压器二号蒸汽入口与蒸汽输送装置相连通，第一升压器蒸汽出口通过反应蒸汽通道与每一个反应釜的入气口相连通；第二升压器包括：第二升压器本体、设于第二升压器本体上的第二升压器一号蒸汽入口、第二升压器二号蒸汽入口、以及第二升压器蒸汽出口，第二升压器一号蒸汽入口与第一分气缸的第二高压蒸汽出口相连通，第二升压器二号蒸汽入口与排污扩容器相连通，第二升压器蒸汽出口通过管道与蒸养池相连通；排污扩容器包括：扩容器本体、设于扩容器本体上的蒸汽入口、蒸汽出口以及污水出口，蒸汽入口与每一个反应釜的蒸汽和冷凝水排出口相连通，蒸汽出口与第二升压器的第二升压器二号蒸汽入口相连通。
优选地，一个排污扩容器与2~5个反应釜相连接，比如3个或4个。
优选地，反应釜为高压反应釜。
可选择地，还包括第二分气缸及第三升压器，其中，第二分气缸包括：第二缸体、设于第二缸体上的低压蒸汽入口、第一低压蒸汽出口以及第二低压蒸汽出口，低压蒸汽入口通过管道与第二升压器的第二升压器蒸汽出口相连通，第一低压蒸汽出口与蒸养池相连通以向蒸养池提供低压蒸汽，第二低压蒸汽出口通过管道与第三升压器相连通；第三升压器包括第三升压器本体、设于第三升压器本体上的第三升压器一号蒸汽入口、第三升压器二号蒸汽入口以及第三升压器蒸汽出口，第三升压器一号蒸汽入口与第一分气缸的第三高压蒸汽出口相连通，第三升压器二号蒸汽入口与第二分气缸的第二低压蒸汽出口相连通，第三升压器蒸汽出口通过反应蒸汽通道与每一个反应釜相连通。
可选择地，第一升压器、第二升压器以及第三升压器的内部结构相同，包括：与用于通入高压蒸汽的蒸汽入口相连通的一号蒸汽腔、设于一号蒸汽腔末端的喷嘴、设于喷嘴喷气方向且与之相连通的混合室、与混合室的相连通并与用于通入低压蒸汽的蒸汽入口相连通的二号蒸汽腔、以及设于混合室的另一端的扩散器，扩散器的出气方向与蒸汽的蒸汽出口相连通。
可选择地，反应蒸汽通道上设置有蒸汽存储装置，蒸汽存储装置与每一个反应釜的入气口相连通，每一个入气口处设置有阀门及压力监测仪。
可选择地，蒸汽产生装置包括：电锅炉及天然气锅炉，电锅炉通过太阳能光伏板进行发电，电锅炉与天然气锅炉的高压蒸汽排放口分别与第一分气缸的高压蒸汽入口相连通，以将产生的2.5MPa的高压蒸汽传输至第一分气缸中。
可选择地，第一压力设定为0.3MPa，第二压力设定为1.0MPa。
可选择地，蒸汽产生装置将产生的2.5MPa的高压蒸汽传输至第一分气缸中，2.5MPa的高压蒸汽自第一高压蒸汽出口及第一升压器一号蒸汽入口进入第一升压器中，与通过蒸汽输送装置输送的来自电厂的0.7MPa的低压蒸汽混合，形成1.0MPa的第二压力蒸汽，1.0MPa的第二压力蒸汽经由第一升压器蒸汽出口通过反应蒸汽通道输送至蒸汽存储装置中，然后再灌注至每一个反应釜内，直至每一个反应釜内的压力达到1.0MPa，关闭阀门停止灌注1.0MPa的第二压力蒸汽，直至压力下降至0.8MPa时，再开启阀门继续灌注1.0MPa的第二压力蒸汽；2.5MPa的高压蒸汽自第二高压蒸汽出口及第二升压器一号蒸汽入口进入第二升压器中，与来自排污扩容器的0.1MPa的蒸汽混合，形成0.3MPa的第一压力蒸汽，0.3MPa的第一压力蒸汽进入第二分气缸，通过第一低压蒸汽出口进入蒸养池，通过第二低压蒸汽出口进入第三升压器，与2.5MPa的高压蒸汽混合形成1.0MPa的第二压力蒸汽，经由第三升压器蒸汽出口通过反应蒸汽通道输送至蒸汽存储装置中。
优选地，第一升压器产生的1.0MPa的第二压力蒸汽可传输至其它车间的高压反应釜进行混凝土管桩的压养。
优选地，混凝土管桩在反应釜内压养2~3个小时。
可选择地，还包括热水池，热水池包括储水本体、设于储水本体上的第一热水入口、第二热水入口及热水出口，第一热水入口与蒸养池的排水口相连通，第二热水入口与排污扩容器的污水出口相连通。
可选择地，还包括换热器，换热器包括换热器本体、设于热水器本体上的热污水入口、冷污水出口、冷水进入口及热水排出口，热污水入口与热水池的热水出口相连通，冷污水出口与排水沟相连通，冷水入口与冷水源相连通，热水排出口与蒸汽产生装置相连通。
可选择地，第二热水入口与排污扩容器的污水出口之间的管道上设有输水阀，冷水源与冷水入口之间的管道上设有补水水泵。
可选择地，来自排污扩容器的85~95摄氏度的热污水与来自蒸养池的65~75摄氏度的热水经由热水池进入换热器中，与来自冷水源的20~25摄氏度的冷水进行热交换后，形成的70~80摄氏度的热水输送至蒸汽产生装置用于产生高压蒸汽，换热后形成的20~25摄氏度的冷污水排放至排水沟。
 有益效果
本发明的有益效果是：（1）、充分挖掘了高压蒸养后产生的蒸汽余压，与高压蒸汽混合后形成的第一压力蒸汽，提供给蒸养池对混凝土管桩进行蒸养，充分利用了蒸汽能源，更加节能环保；（2）、有效利用蒸养池及排污扩容器排出的热水能量，将冷水换热成为75摄氏度左右的热水，再提供给电锅炉及天然气锅炉，从而可以快速产生高压蒸汽，不仅提高了整个系统的能量利用率，同时也提高了蒸汽的产生效率，节能环保；（3）、适用于使用电厂蒸汽实现集中供热，可以提高电厂蒸汽的压力来确保产能产量的同时，实现了环保效果。
 附图说明
图1示出了本发明的生产混凝土管桩工厂的蒸汽利用系统的构造示意图。
图2示出了本发明的第一升压器的结构示意图。
 本发明的最佳实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
请参照图1，作为一种非限制性实施方式，本发明提供的生产混凝土管桩工厂的蒸汽利用系统包括：蒸汽输送装置1、电锅炉2、天然气锅炉3、蒸养池4、三个反应釜5、排污扩容器6、第一分气缸F1、第二分气缸F2、第一升压器S1、第二升压器S2、以及第三升压器S3。
 本发明的实施方式
在该非限制性实施方式中，蒸养池4利用0.3MPa的第一压力蒸汽对混凝土管桩进行蒸养，反应釜5利用1.0MPa的第二压力蒸汽对进行过蒸养的混凝土管桩进行压养，蒸汽输送装置1将来自电厂的0.7MPa的低压蒸汽输送至第一升压器S1，电锅炉2和天然气锅炉3分别产生2.5MPa的高压蒸汽，高压蒸汽被输送至第一分气缸F1。如图1所示，电锅炉2通过太阳能光伏板7进行发电。
 第一分气缸F1包括第一缸体（图中未标号）、高压蒸汽入口F10、第一高压蒸汽出口F11、第二高压蒸汽出口F12、以及第三高压蒸汽出口F13，第一分气缸F1的高压蒸汽入口F10通过管道与电锅炉2和天然气锅炉3相连通。
第一升压器S1包括第一升压器本体（图中未标号）、第一升压器一号蒸汽入口S11、第一升压器二号蒸汽入口S12及第一升压器蒸汽出口S13，第一升压器一号蒸汽入口S11与第一分气缸F1的第一高压蒸汽出口F11相连通，第一升压器二号蒸汽入口S12与蒸汽输送装置1相连通，第一升压器蒸汽出口S13通过反应蒸汽通道L与每一个反应釜5的入气口51相连通。
第二升压器S2包括第二升压器本体（图中未标号）、第二升压器一号蒸汽入口S21、第二升压器二号蒸汽入口S22、以及第二升压器蒸汽出口S23，第二升压器一号蒸汽入口S21与第一分气缸F1的第二高压蒸汽出口F12相连通，第二升压器二号蒸汽入口S22与排污扩容器6相连通，第二升压器蒸汽出口S23通过管道与蒸养池4相连通。
排污扩容器6包括扩容器本体（图中未标号）、蒸汽入口61、蒸汽出口62以及污水出口63，蒸汽入口61与每一个反应釜5的蒸汽和冷凝水排出口52相连通，蒸汽出口62与第二升压器S2的第二升压器二号蒸汽入口S22相连通。
作为另一种非限制性实施方式，第二分气缸F2包括第二缸体（图中未标号）、低压蒸汽入口F20、第一低压蒸汽出口F21以及第二低压蒸汽出口F22，低压蒸汽入口F20通过管道与第二升压器S2的第二升压器蒸汽出口S23相连通，第一低压蒸汽出口F21与蒸养池4相连通，从而可以向蒸养池4提供0.3MPa的低压蒸汽，第二低压蒸汽出口F22通过管道与第三升压器S3相连通。
第三升压器S3包括第三升压器本体（图中未标号）、第三升压器一号蒸汽入口S31、第三升压器二号蒸汽入口S32以及第三升压器蒸汽出口S33，第三升压器一号蒸汽入口S31与第一分气缸F1的第三高压蒸汽出口相连通F13，第三升压器二号蒸汽入口S32与第二分气缸F2的第二低压蒸汽出口相连通F22，第三升压器蒸汽出口S33通过反应蒸汽通道L与每一个反应釜5相连通。
在该非限制性实施方式中，第一升压器S1、第二升压器S2以及第三升压器S3的内部结构相同，以第一升压器S1为例，如图2所示，其内部包括：一号蒸汽腔S101、二号蒸汽腔S102、喷嘴S103、混合室S104以及扩散器S105，具体来讲，用于通入高压蒸汽的第一升压器一号蒸汽入口S11与一号蒸汽腔S101相连通，经过喷嘴S103的作用高速进入混合室S104，形成局部负压，将第一升压器二号蒸汽入口S12处的低压蒸汽吸入混合室S104内，与高压蒸汽混合后，在扩散器S105处形成中压蒸汽并被输送至第一升压器蒸汽出口S13喷射出第一升压器S1外。
作为另一种非限制性实施方式，反应蒸汽通道L上设置有蒸汽存储装置8，蒸汽存储装置8与每一个反应釜5的入气口51相连通，每一个入气口51处设置有阀门V及压力监测仪P，由此可以随时监测每个反应釜内的蒸汽压力以及控制每个反应釜的蒸汽灌注。
由此可见，电锅炉2和天然气锅炉3将产生的2.5MPa的高压蒸汽传输至第一分气缸F1中，2.5MPa的高压蒸汽自第一高压蒸汽出口F11及第一升压器一号蒸汽入口S11进入第一升压器S1中，与通过蒸汽输送装置1输送的来自电厂的0.7MPa的低压蒸汽混合，形成1.0MPa的第二压力蒸汽，1.0MPa的第二压力蒸汽经由第一升压器蒸汽出口S13通过反应蒸汽通道L输送至蒸汽存储装置8中，然后再灌注至每一个反应釜5内，直至每一个反应釜5内的压力达到1.0MPa，关闭阀门V停止灌注1.0MPa的第二压力蒸汽，直至压力下降至0.8MPa时，再开启阀门V继续灌注1.0MPa的第二压力蒸汽。同时，2.5MPa的高压蒸汽自第二高压蒸汽出口F12及第二升压器一号蒸汽入口S21进入第二升压器S2中，与来自排污扩容器6的0.1MPa的蒸汽混合，形成0.3MPa的第一压力蒸汽，0.3MPa的第一压力蒸汽进入第二分气缸F2，通过第一低压蒸汽出口F21进入蒸养池4，通过第二低压蒸汽出口F22进入第三升压器S3，与2.5MPa的高压蒸汽混合形成1.0MPa的第二压力蒸汽，经由第三升压器蒸汽出口S33通过反应蒸汽通道L输送至蒸汽存储装置中。
生产混凝土管桩的车间可以有多个，比如5~10个，这样第一升压器S1产生的1.0MPa的第二压力蒸汽还可以传输至其它车间的高压反应釜5处，进行混凝土管桩的压养。
作为又一种非限制性实施方式，还包括热水池9及换热器10，热水池9包括储水本体（图中未标号）、第一热水入口91、第二热水入口92及热水出口93，第一热水入口91与蒸养池4的排水口（图中未标号）相连通，第二热水入口92与排污扩容器6的污水出口63相连通。换热器10包括换热器本体（图中未标号）、热污水入口101、冷污水出口102、冷水进入口103及热水排出口104，热污水入口101与热水池的热水出口93相连通，冷污水出口102与排水沟（图中未示出）相连通，冷水入口103与冷水源（图中未示出）相连通，热水排出口104与电锅炉2和天然气锅炉3相连通。
为了便于控制，第二热水入口92与排污扩容器6的污水出口63之间的管道上设有输水阀G1，冷水源与冷水入口103之间的管道上设有补水水泵G2。
由此，来自排污扩容器6的85~95摄氏度的热污水与来自蒸养池4的65~75摄氏度的热水经由热水池9进入换热器10中，与来自冷水源的20~25摄氏度的冷水进行热交换后，形成的70~80摄氏度的热水输送至电锅炉2和天然气锅炉3用于产生高压蒸汽，换热后形成的20~25摄氏度的冷污水排放至排水沟。
尽管在此已详细描述本发明的优选实施方式，但要理解的是本发明并不局限于这里详细描述和示出的具体结构，在不偏离本发明的实质和范围的情况下可由本领域的技术人员实现其它的变型和变体。

Claims (7)

  1. 一种生产混凝土管桩工厂的蒸汽利用系统，包括：蒸汽输送装置、蒸养池、以及若干个反应釜，所述蒸汽输送装置用于输送来自电厂的低压蒸汽，所述蒸养池用于利用第一压力蒸汽对混凝土管桩进行蒸养，所述反应釜用于利用第二压力蒸汽对进行过蒸养的混凝土管桩进行压养；
    其特征在于，所述生产混凝土管桩工厂的蒸汽利用系统还包括：蒸汽产生装置、第一分气缸、第一升压器、第二升压器、排污扩容、第二分气缸及第三升压器，
    其中，所述蒸汽产生装置用于产生高压蒸汽，其通过管道与所述第一分气缸相连通；
    所述第一分气缸包括：第一缸体、设于所述第一缸体上的高压蒸汽入口、第一高压蒸汽出口、第二高压蒸汽出口、以及第三高压蒸汽出口，所述第一分气缸的高压蒸汽入口通过管道与所述蒸汽产生装置相连通；
    所述第一升压器包括：第一升压器本体、设于所述第一升压器本体上的第一升压器一号蒸汽入口、第一升压器二号蒸汽入口及第一升压器蒸汽出口，所述第一升压器一号蒸汽入口与所述第一分气缸的第一高压蒸汽出口相连通，所述第一升压器二号蒸汽入口与所述蒸汽输送装置相连通，所述第一升压器蒸汽出口通过反应蒸汽通道与每一个反应釜的入气口相连通；
    所述第二升压器包括：第二升压器本体、设于所述第二升压器本体上的第二升压器一号蒸汽入口、第二升压器二号蒸汽入口、以及第二升压器蒸汽出口，所述第二升压器一号蒸汽入口与所述第一分气缸的所述第二高压蒸汽出口相连通，所述第二升压器二号蒸汽入口与所述排污扩容器相连通，所述第二升压器蒸汽出口通过管道与所述蒸养池相连通；
    所述排污扩容器包括：扩容器本体、设于所述扩容器本体上的蒸汽入口、蒸汽出口以及污水出口，所述蒸汽入口与每一个所述反应釜的蒸汽和冷凝水排出口相连通，所述蒸汽出口与所述第二升压器的第二升压器二号蒸汽入口相连通；
    所述第二分气缸包括：第二缸体、设于所述第二缸体上的低压蒸汽入口、第一低压蒸汽出口以及第二低压蒸汽出口，所述低压蒸汽入口通过管道与所述第二升压器的第二升压器蒸汽出口相连通，所述第一低压蒸汽出口与所述蒸养池相连通以向所述蒸养池提供低压蒸汽，所述第二低压蒸汽出口通过管道与所述第三升压器相连通；
    所述第三升压器包括第三升压器本体、设于所述第三升压器本体上的第三升压器一号蒸汽入口、第三升压器二号蒸汽入口以及第三升压器蒸汽出口，所述第三升压器一号蒸汽入口与所述第一分气缸的第三高压蒸汽出口相连通，所述第三升压器二号蒸汽入口与所述第二分气缸的第二低压蒸汽出口相连通，所述第三升压器蒸汽出口通过所述反应蒸汽通道与每一个所述反应釜相连通；
    所述第一升压器、所述第二升压器以及所述第三升压器的内部结构相同，包括：与用于通入高压蒸汽的蒸汽入口相连通的一号蒸汽腔、设于所述一号蒸汽腔末端的喷嘴、设于所述喷嘴喷气方向且与之相连通的混合室、与所述混合室的相连通并与用于通入低压蒸汽的蒸汽入口相连通的二号蒸汽腔、以及设于所述混合室的另一端的扩散器，所述扩散器的出气方向与蒸汽的蒸汽出口相连通；
    其中，所述蒸汽产生装置将产生的2.5MPa的高压蒸汽传输至所述第一分气缸中，2.5MPa的高压蒸汽自所述所述第一高压蒸汽出口及所述第一升压器一号蒸汽入口进入所述第一升压器中，与通过所述蒸汽输送装置输送的来自电厂的0.7MPa的低压蒸汽混合，形成1.0MPa的第二压力蒸汽，1.0MPa的第二压力蒸汽经由所述第一升压器蒸汽出口通过所述反应蒸汽通道输送至所述蒸汽存储装置中，然后再灌注至每一个所述反应釜内，直至每一个所述反应釜内的压力达到1.0MPa，关闭所述阀门停止灌注1.0MPa的第二压力蒸汽，直至压力下降至0.8MPa时，再开启所述阀门继续灌注1.0MPa的第二压力蒸汽；2.5MPa的高压蒸汽自所述第二高压蒸汽出口及所述第二升压器一号蒸汽入口进入所述第二升压器中，与来自所述排污扩容器的0.1MPa的蒸汽混合，形成0.3MPa的第一压力蒸汽，0.3MPa的第一压力蒸汽进入所述第二分气缸，通过所述第一低压蒸汽出口进入所述蒸养池，通过所述第二低压蒸汽出口进入所述第三升压器，与2.5MPa的高压蒸汽混合形成1.0MPa的第二压力蒸汽，经由所述第三升压器蒸汽出口通过所述反应蒸汽通道输送至所述蒸汽存储装置中。
  2. 如权利要求1所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，所述反应蒸汽通道上设置有蒸汽存储装置，所述蒸汽存储装置与每一个所述反应釜的入气口相连通，每一个所述入气口处设置有阀门及压力监测仪。
  3. 如权利要求2所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，所述蒸汽产生装置包括：电锅炉及天然气锅炉，所述电锅炉通过太阳能光伏板进行发电，所述电锅炉与所述天然气锅炉的高压蒸汽排放口分别与所述第一分气缸的高压蒸汽入口相连通，以将产生的2.5MPa的高压蒸汽传输至所述第一分气缸中。
  4. 如权利要求3所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，所述第一压力设定为0.3MPa，所述第二压力设定为1.0MPa。
  5. 如权利要求4所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，还包括热水池，所述热水池包括储水本体、设于所述储水本体上的第一热水入口、第二热水入口及热水出口，所述第一热水入口与所述蒸养池的排水口相连通，所述第二热水入口与所述排污扩容器的污水出口相连通。
  6. 如权利要求5所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，还包括换热器，所述换热器包括换热器本体、设于所述热水器本体上的热污水入口、冷污水出口、冷水进入口及热水排出口，所述热污水入口与所述热水池的热水出口相连通，所述冷污水出口与排水沟相连通，所述冷水入口与冷水源相连通，所述热水排出口与所述蒸汽产生装置相连通。
  7. 如权利要求6所述的生产混凝土管桩工厂的蒸汽利用系统，其特征在于，所述第二热水入口与所述排污扩容器的污水出口之间的管道上设有输水阀，所述冷水源与所述冷水入口之间的管道上设有补水水泵。
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