CN103977578B - Liquid discharge device and method and flash-boiling evaporators condensate drain and method - Google Patents
Liquid discharge device and method and flash-boiling evaporators condensate drain and method Download PDFInfo
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Abstract
本发明公开了一种液体排放装置及方法与扩容蒸发器冷凝水排放装置及方法，所述液体排放装置包括储液罐及缓存罐，所述缓存罐及储液罐连通，所述储液罐设有进气口、出气口及出液口，所述缓存罐设有出气口及进液口，所述缓存罐的进液口连通于待排液体装置，所述储液罐的出气口、缓存罐的出气口均连通于待排液体装置，所述缓存罐与储液罐之间、储液罐的出气口处、储液罐的进气口与出液口处均设有控制阀，所述缓存罐的容积为所述储液罐的容积的0.1-0.9倍。本发明涉及的液体排放装置可提高待排水装置的处理能力，产品单位能耗同时下降。
The invention discloses a liquid discharge device and method, and a capacity expansion evaporator condensate discharge device and method. The liquid discharge device includes a liquid storage tank and a buffer tank, the buffer tank and the liquid storage tank are connected, and the liquid storage tank An air inlet, an air outlet and a liquid outlet are provided. The buffer tank is provided with an air outlet and a liquid inlet. The liquid inlet of the buffer tank is connected to the liquid device to be discharged. The air outlet of the liquid storage tank, The gas outlets of the buffer tanks are all connected to the liquid device to be discharged, and there are control valves between the buffer tank and the liquid storage tank, at the gas outlet of the liquid storage tank, at the air inlet and liquid outlet of the liquid storage tank, The volume of the buffer tank is 0.1-0.9 times the volume of the liquid storage tank. The liquid discharge device involved in the invention can improve the processing capacity of the device to be drained, and reduce the unit energy consumption of the product at the same time.
Description
技术领域 technical field
本发明涉及真空系统下冷凝水的收集、排放控制领域，特别是涉及一种液体排放装置及方法与扩容蒸发器冷凝水排放装置及方法。 The invention relates to the field of collection and discharge control of condensed water in a vacuum system, in particular to a liquid discharge device and method, and a capacity expansion evaporator condensed water discharge device and method.
背景技术 Background technique
目前印染行业淡碱回收使用的蒸发器一般为八～十六级的扩容蒸发器，它由蒸发器主体、真空系统、冷凝水排放系统等组成。该装置在真空环境下运行，在运行过程中，装置不断将碱液中的水分蒸发成水蒸气，并将水蒸气冷凝下来，收集到一个冷凝水罐中，并通过重力将冷凝水排出系统外。如果冷凝水不能有效排放，则蒸发过程不能有效进行。 At present, the evaporators used in the recovery of light alkali in the printing and dyeing industry are generally eight to sixteen-stage expansion evaporators, which are composed of the main body of the evaporator, a vacuum system, and a condensate discharge system. The device operates in a vacuum environment. During the operation, the device continuously evaporates the water in the lye into water vapor, condenses the water vapor, collects it in a condensed water tank, and discharges the condensed water out of the system by gravity. . If the condensate is not drained efficiently, the evaporation process cannot be carried out efficiently.
目前，这种扩容蒸发器使用的冷凝水排放装置，冷凝水储水罐在排水时，扩容蒸发器主体的冷凝水不能排放到冷凝水储水罐中，冷凝水将重新回到扩容蒸发器主体，达不到对淡碱液的浓缩效果，降低了扩容蒸发器的处理能力。 At present, the condensed water discharge device used in this expansion evaporator, when the condensed water storage tank is draining, the condensed water in the main body of the expansion evaporator cannot be discharged into the condensed water storage tank, and the condensed water will return to the main body of the expansion evaporator , can not achieve the concentration effect of the light lye, reducing the processing capacity of the expansion evaporator.
发明内容 Contents of the invention
基于此，有必要提供一种可在真空状态下，可提高处理能力，产品单位能耗同时下降的液体排放装置。 Based on this, it is necessary to provide a liquid discharge device that can increase the processing capacity and reduce the unit energy consumption of the product in a vacuum state.
一种液体排放装置，包括储液罐及缓存罐，所述缓存罐及储液罐连通； A liquid discharge device, including a liquid storage tank and a buffer tank, and the buffer tank and the liquid storage tank are in communication;
所述储液罐设有进气口、出气口及出液口，所述缓存罐设有出气口及进液口，所述缓存罐的进液口连通于待排液体装置，所述储液罐的出气口、缓存罐的出气口均连通于待排液体装置，所述缓存罐与储液罐之间、储液罐的出气口处、储液罐的进气口与出液口处均设有控制阀，所述缓存罐的容积为所述储液罐的容积的0.1-0.9倍。 The liquid storage tank is provided with an air inlet, an air outlet, and a liquid outlet, and the buffer tank is provided with an air outlet and a liquid inlet. The liquid inlet of the buffer tank is connected to the liquid device to be discharged. The gas outlet of the tank and the gas outlet of the buffer tank are all connected to the liquid device to be discharged. A control valve is provided, and the volume of the buffer tank is 0.1-0.9 times the volume of the liquid storage tank.
本发明涉及的液体排放装置，可在真空状态下，通过缓存罐，把储水罐处于排水的时间也均利用进行真空排水系统的液体排出浓缩工作，即在储水罐排水期间，利用缓存罐继续保持真空排水系统的液体排出步骤。且通过多次的设计及使用得出所述缓存罐的容积为所述储水罐的容积的0.1-0.9倍之间，缓存的效果最佳，体积过小，缓存的力度不够，多余的冷凝水会回流至扩容蒸发器主体，体积过大，则会浪费资源，增加成本。 The liquid discharge device involved in the present invention can use the buffer tank to discharge and concentrate the liquid in the vacuum drainage system during the time when the water storage tank is draining in a vacuum state, that is, the buffer tank can be used to Proceed with the liquid draining steps for maintaining the vacuum drain system. And through many times of design and use, it is found that the volume of the buffer tank is between 0.1-0.9 times the volume of the water storage tank, and the effect of buffering is the best. Water will flow back to the main body of the expanded evaporator, and if the volume is too large, resources will be wasted and costs will be increased.
在其中一个实施例中，所述缓存罐的容积为所述储液罐的容积的0.2倍。使得所述缓存的力度与成本的控制达到平衡状态。 In one of the embodiments, the volume of the buffer tank is 0.2 times the volume of the liquid storage tank. The strength of the cache and the cost control are balanced.
在其中一个实施例中，所述缓存罐设有出液口，所述缓存罐的出液口连通于所述储液罐。通过出水口与管道的连通，便于拆卸，也便于检修。 In one of the embodiments, the buffer tank is provided with a liquid outlet, and the liquid outlet of the buffer tank communicates with the liquid storage tank. The connection between the water outlet and the pipeline is convenient for disassembly and maintenance.
在其中一个实施例中，所述缓存罐的进液口及出液口分别设置于所述缓存罐的顶部和底部。使得冷凝水在重力作用下排出，不需要外界动力，节约成本。 In one of the embodiments, the liquid inlet and the liquid outlet of the buffer tank are respectively arranged on the top and the bottom of the buffer tank. The condensed water is discharged under the action of gravity without external power, saving cost.
在其中一个实施例中，所述储液罐设有进液口，所述储液罐的进液口连通于所述缓存罐的出液口。通过储水罐的进水口与缓存罐的出水口通过管道的连通，便于拆卸，也便于检修、更换部件。 In one embodiment, the liquid storage tank is provided with a liquid inlet, and the liquid inlet of the liquid storage tank is connected to the liquid outlet of the buffer tank. The connection between the water inlet of the water storage tank and the water outlet of the buffer tank through pipelines is convenient for disassembly, maintenance and replacement of components.
本发明的另一目的在于提供一种液体排放方法。 Another object of the present invention is to provide a liquid discharge method.
一种液体排放方法，包括如下步骤： A liquid discharge method, comprising the steps of:
关闭所述储液罐的进气口与出液口，打开所述储液罐的出气口，连通所述缓存罐与储液罐，待排液体装置排出液体经缓存罐至储液罐； Close the air inlet and liquid outlet of the liquid storage tank, open the air outlet of the liquid storage tank, communicate with the buffer tank and the liquid storage tank, and the liquid to be discharged by the liquid discharge device passes through the buffer tank to the liquid storage tank;
打开所述储液罐的进气口与出液口，关闭所述储液罐的出气口，断开所述缓存罐与储液罐之间的连接，待排液体装置排液体至缓存罐，所述储液罐排出液体。 Open the air inlet and liquid outlet of the liquid storage tank, close the air outlet of the liquid storage tank, disconnect the connection between the buffer tank and the liquid storage tank, and wait for the liquid discharge device to drain the liquid to the buffer tank, The liquid storage tank discharges liquid.
本发明涉及的液体排放方法，设备要求低，操作简便，易于控制，不需要过多的人为干预。 The liquid discharge method involved in the invention has low equipment requirements, simple operation, easy control, and does not require excessive human intervention.
本发明的另一目的在于提供一种可在真空状态下，可提高扩容蒸发器的处理能力，产品单位能耗同时下降的扩容蒸发器冷凝水排放装置。 Another object of the present invention is to provide a condensate discharge device for the expansion evaporator which can increase the processing capacity of the expansion evaporator and reduce the unit energy consumption of the product in a vacuum state.
一种扩容蒸发器冷凝水排放装置，包括扩容蒸发器主体、储水罐及缓存罐，所述扩容蒸发器主体、缓存罐及储水罐依次连通； A condensed water discharge device for a capacity expansion evaporator, comprising a main body of a capacity expansion evaporator, a water storage tank and a buffer tank, wherein the main body of the capacity expansion evaporator, the buffer tank and the water storage tank are connected in sequence;
所述扩容蒸发器主体设有进气口，所述储水罐设有进气口、出气口及出水口，所述缓存罐设有出气口，所述储水罐的出气口、缓存罐的出气口均连通于所述扩容蒸发器主体的进气口，所述缓存罐与储水罐之间、扩容蒸发器主体的进气口与储水罐的出气口之间、储水罐的进气口与出水口处均设有控制阀； The main body of the expansion evaporator is provided with an air inlet, the water storage tank is provided with an air inlet, an air outlet and a water outlet, the buffer tank is provided with an air outlet, the air outlet of the water storage tank, the buffer tank The air outlets are all connected to the air inlet of the expanded evaporator main body, between the buffer tank and the water storage tank, between the air inlet of the expanded evaporator main body and the air outlet of the water storage tank, and between the inlet of the water storage tank. There are control valves at the air port and water outlet;
所述缓存罐的容积为所述储水罐的容积的0.1-0.9倍。 The volume of the buffer tank is 0.1-0.9 times the volume of the water storage tank.
本发明涉及的扩容蒸发器冷凝水排放装置，通过在所述扩容蒸发器主体、储水罐之间增加缓存罐，把储水罐处于排水的时间也均利用进行扩容蒸发器主体排水浓缩工作，即在储水罐排水期间，利用缓存罐继续保持扩容蒸发器主体的排出冷凝水步骤，避免扩容蒸发器主体的冷凝水重新回到扩容蒸发器主体，达到对淡碱液的浓缩效果，经测试，扩容蒸发器主体在运行时，冷凝水储水罐每5分钟排水一次，排水时间约为45秒，排水时，扩容蒸发器没有浓缩效果。经计算，提高扩容蒸发器的处理能力约45/(300+45)＝13％。且通过多次的设计及使用得出所述缓存罐的容积为所述储水罐的容积的0.1-0.9倍之间，缓存的效果最佳，体积过小，缓存的力度不够，多余的冷凝水会回流至扩容蒸发器主体，体积过大，则会浪费资源，增加成本。 The condensed water discharge device of the expansion evaporator according to the present invention, by adding a buffer tank between the main body of the expansion evaporator and the water storage tank, can also use the time when the water storage tank is draining to carry out drainage and concentration of the main body of the expansion evaporator, That is, during the drainage period of the water storage tank, the buffer tank is used to continue to maintain the step of discharging condensed water from the main body of the expansion evaporator, so as to prevent the condensed water from the main body of the expansion evaporator from returning to the main body of the expansion evaporator, so as to achieve the effect of concentrating the light lye. After testing , When the main body of the expansion evaporator is running, the condensed water storage tank drains water every 5 minutes, and the drainage time is about 45 seconds. When draining, the expansion evaporator has no concentration effect. It is calculated that the processing capacity of the expanded evaporator is increased by about 45/(300+45)=13%. And through many times of design and use, it is found that the volume of the buffer tank is between 0.1-0.9 times the volume of the water storage tank, and the effect of buffering is the best. Water will flow back to the main body of the expanded evaporator, and if the volume is too large, resources will be wasted and costs will increase.
在其中一个实施例中，所述扩容蒸发器主体设有出水口，所述扩容蒸发器主体的冷凝水出水口设置于所述扩容蒸发器主体的底部，所述扩容蒸发器主体的冷凝水出水口连通于所述缓存罐。通过出水口与管道的连通，便于拆卸，也便于检修。 In one of the embodiments, the main body of the expansion evaporator is provided with a water outlet, and the condensed water outlet of the main body of the expansion evaporator is arranged at the bottom of the main body of the expansion evaporator, and the condensed water outlet of the main body of the expansion evaporator is The water port communicates with the buffer tank. The connection between the water outlet and the pipeline is convenient for disassembly and maintenance.
在其中一个实施例中，所述缓存罐设有进水口及出水口，所述缓存罐的进水口连通于所述扩容蒸发器主体的冷凝水出水口，所述缓存罐的出水口连通于所述储水罐。通过进水口及出水口与管道的连通，便于拆卸，也便于检修。 In one of the embodiments, the buffer tank is provided with a water inlet and a water outlet, the water inlet of the buffer tank is connected to the condensed water outlet of the expansion evaporator body, and the water outlet of the buffer tank is connected to the Said storage tank. The connection between the water inlet and the water outlet and the pipeline is convenient for disassembly and maintenance.
本发明的另一目的在于提供一种扩容蒸发器冷凝水排放方法。 Another object of the present invention is to provide a method for discharging condensed water from an expanded evaporator.
一种扩容蒸发器冷凝水排放方法，包括如下步骤： A method for discharging condensed water from a capacity-expanding evaporator, comprising the steps of:
关闭所述储水罐的进气口与出水口，打开扩容蒸发器主体的进气口与储水罐的出气口，连通所述缓存罐与储水罐，扩容蒸发器主体排水经缓存罐至储水罐； Close the air inlet and water outlet of the water storage tank, open the air inlet of the main body of the expansion evaporator and the air outlet of the water storage tank, connect the buffer tank and the water storage tank, and drain the water from the main body of the expansion evaporator through the buffer tank to Water tank;
打开所述储水罐的进气口与出水口，关闭扩容蒸发器主体的进气口与储水罐的出气口，断开所述缓存罐与储水罐之间的连接，扩容蒸发器主体排水至缓存罐，所述储水罐排水。 Open the air inlet and water outlet of the water storage tank, close the air inlet of the expansion evaporator body and the air outlet of the water storage tank, disconnect the connection between the buffer tank and the water storage tank, and expand the evaporator body Drain to buffer tank, said storage tank drains.
本发明涉及的扩容蒸发器冷凝水排放方法，设备要求低，操作简便，易于控制，不需要过多的人为干预。 The method for discharging the condensed water of the expansion evaporator according to the invention has low equipment requirements, simple operation, easy control, and does not require excessive human intervention.
附图说明 Description of drawings
图1为本发明实施例示意图。 Fig. 1 is a schematic diagram of an embodiment of the present invention.
附图标记说明 Explanation of reference signs
10、扩容蒸发器主体；20、储水罐；30、控制阀；40、排气管道；41、进气管道；42、排水管道；50、缓存罐。 10. Main body of expansion evaporator; 20. Water storage tank; 30. Control valve; 40. Exhaust pipe; 41. Air intake pipe; 42. Drainage pipe; 50. Buffer tank.
具体实施方式 detailed description
以下将结合实施例及附图对本发明做进一步的说明。 The present invention will be further described below in conjunction with embodiments and accompanying drawings.
一种扩容蒸发器冷凝水排放装置，参见图1，包括扩容蒸发器主体10、储水罐20及缓存罐50，所述缓存罐50的尺寸为所述储水罐20的尺寸的一半。 A condensate discharge device for an expanded evaporator, referring to FIG. 1 , includes an expanded evaporator body 10 , a water storage tank 20 and a buffer tank 50 , the size of the buffer tank 50 being half of the size of the water storage tank 20 .
所述扩容蒸发器主体10设有进气口、出水口，所述扩容蒸发器主体10的出水口设置于所述扩容蒸发器主体10的底部，所述储水罐20设有进气口、出气口及出水口，所述储水罐20的进气口连接有进气管道41，所述缓存罐50设有出气口、进水口及出水口，所述缓存罐50的进水口及出水口分别设置于所述缓存罐50的顶部和底部，所述扩容蒸发器主体10的进气口设置于所述扩容蒸发器主体10的顶部，所述缓存罐50的出气口设置于所述缓存罐50的顶部，所述储水罐20的出气口、缓存罐50的出气口均通过排气管道40并联连通于所述扩容蒸发器主体10的进气口，所述扩容蒸发器主体10的出水口通过排水管道42连通于所述缓存罐50的进水口，所述缓存罐50的出水口通过排水管道42连通于所述储水罐20的进水口；所述缓存罐50与储水罐20之间、扩容蒸发器主体10的进气口与储水罐20的出气口之间、储水罐20的进气口与出水口处均设有控制阀30，所述控制阀30为气动阀；所述扩容蒸发器主体10、缓存罐50及储水罐20依次处于上下位置，使得冷凝水在重力作用下排出，不需要外界动力，节约成本。 The expansion evaporator main body 10 is provided with an air inlet and a water outlet, the water outlet of the expansion evaporator main body 10 is arranged at the bottom of the expansion evaporator main body 10, and the water storage tank 20 is provided with an air inlet, An air outlet and a water outlet, the air inlet of the water storage tank 20 is connected with an air inlet pipe 41, the buffer tank 50 is provided with an air outlet, a water inlet and a water outlet, the water inlet and the water outlet of the buffer tank 50 They are respectively arranged on the top and bottom of the buffer tank 50, the air inlet of the expansion evaporator body 10 is arranged on the top of the expansion evaporator body 10, and the gas outlet of the buffer tank 50 is arranged on the buffer tank 50, the air outlet of the water storage tank 20 and the air outlet of the buffer tank 50 are all connected in parallel to the air inlet of the expansion evaporator main body 10 through the exhaust pipe 40, and the outlet of the expansion evaporator main body 10 is The water port is communicated with the water inlet of the buffer tank 50 through the drain pipe 42, and the water outlet of the buffer tank 50 is communicated with the water inlet of the water storage tank 20 through the drain pipe 42; the buffer tank 50 and the water storage tank 20 Control valve 30 is provided between the air inlet of expansion evaporator main body 10 and the air outlet of water storage tank 20, and at the air inlet and water outlet of water storage tank 20. The control valve 30 is a pneumatic valve. ; The expansion evaporator main body 10, the buffer tank 50 and the water storage tank 20 are in the upper and lower positions in turn, so that the condensed water is discharged under the action of gravity without external power, saving costs.
本发明涉及的扩容蒸发器冷凝水排放方法，包括如下步骤： The condensed water discharge method of the expansion evaporator that the present invention relates to comprises the following steps:
首先，关闭所述储水罐20的进气口与出水口处的控制阀30，打开所述缓存罐50与储水罐20之间、扩容蒸发器主体10的进气口与储水罐20的出气口之间的控制阀30，扩容蒸发器主体10排水经缓存罐50至储水罐20； First, close the control valve 30 at the air inlet and water outlet of the water storage tank 20, and open the air inlet and the water storage tank 20 between the buffer tank 50 and the water storage tank 20, the expansion evaporator main body 10, and the water storage tank 20. The control valve 30 between the gas outlets, the main body of the expansion evaporator 10 drains water through the buffer tank 50 to the water storage tank 20;
当所述储水罐20内的冷凝水装满时，打开所述储水罐20的进气口与出水口处的控制阀30，关闭所述缓存罐50与储水罐20之间、扩容蒸发器主体10的进气口与储水罐20的出气口之间的控制阀30，扩容蒸发器主体10排水至缓存罐50，所述储水罐20进行排水；如此反复循环。 When the condensed water in the water storage tank 20 is full, open the control valve 30 at the air inlet and the water outlet of the water storage tank 20, close the buffer tank 50 and the water storage tank 20, and expand the capacity. The control valve 30 between the air inlet of the evaporator main body 10 and the air outlet of the water storage tank 20 expands the capacity of the evaporator main body 10 to drain water to the buffer tank 50, and the water storage tank 20 drains water; this cycle is repeated.
本发明涉及的扩容蒸发器冷凝水排放装置，通过在所述扩容蒸发器主体、储水罐之间增加缓存罐，把储水罐处于排水的时间也均利用进行扩容蒸发器主体排水浓缩工作，即在储水罐排水期间，利用缓存罐继续保持扩容蒸发器主体的排出冷凝水步骤，避免扩容蒸发器主体的冷凝水重新回到扩容蒸发器主体，达到对淡碱液的浓缩效果，经测试，扩容蒸发器主体在运行时，冷凝水储水罐每5分钟排水一次，排水时间约为45秒，排水时，扩容蒸发器没有浓缩效果。经计算，提高扩容蒸发器的处理能力约45/(300+45)＝13％。且通过多次的设计及使用得出所述缓存罐的容积为所述储水罐的容积的0.1-0.9倍之间，尤其是0.2倍，缓存的效果最佳，缓存的力度大，成本低。 The condensed water discharge device of the expansion evaporator according to the present invention, by adding a buffer tank between the main body of the expansion evaporator and the water storage tank, can also use the time when the water storage tank is draining to carry out drainage and concentration of the main body of the expansion evaporator, That is, during the drainage period of the water storage tank, the buffer tank is used to continue to maintain the step of discharging condensed water from the main body of the expansion evaporator, so as to prevent the condensed water from the main body of the expansion evaporator from returning to the main body of the expansion evaporator, so as to achieve the effect of concentrating the light lye. After testing , When the main body of the expansion evaporator is running, the condensed water storage tank drains water every 5 minutes, and the drainage time is about 45 seconds. When draining, the expansion evaporator has no concentration effect. It is calculated that the processing capacity of the expanded evaporator is increased by about 45/(300+45)=13%. And through many times of design and use, it is found that the volume of the buffer tank is between 0.1-0.9 times the volume of the water storage tank, especially 0.2 times, the cache effect is the best, the cache is strong, and the cost is low .
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。 The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.
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Application publication date: 20140813 Assignee: Guangdong Yipai Textile Technology Co.,Ltd. Assignor: Guangdong Esquel Textile Co.,Ltd. Contract record no.: X2025980033840 Denomination of invention: Liquid discharge device and method and expansion evaporator condensate discharge device and method Granted publication date: 20160120 License type: Common License Record date: 20251111 Application publication date: 20140813 Assignee: Guangdong Shirushi Textile Technology Co.,Ltd. Assignor: Guangdong Esquel Textile Co.,Ltd. Contract record no.: X2025980033862 Denomination of invention: Liquid discharge device and method and expansion evaporator condensate discharge device and method Granted publication date: 20160120 License type: Common License Record date: 20251111 |
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Denomination of invention: Liquid discharge device and method and expansion evaporator condensate discharge device and method Granted publication date: 20160120 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: Guangdong Esquel Textile Co.,Ltd. Registration number: Y2025980052526 |