CN103851228B - A water-sealed tank with adjustable liquid seal height - Google Patents
A water-sealed tank with adjustable liquid seal height Download PDFInfo
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- CN103851228B CN103851228B CN201310484738.5A CN201310484738A CN103851228B CN 103851228 B CN103851228 B CN 103851228B CN 201310484738 A CN201310484738 A CN 201310484738A CN 103851228 B CN103851228 B CN 103851228B
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 230000001105 regulatory effect Effects 0.000 claims abstract 5
- 239000013589 supplement Substances 0.000 claims abstract 3
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
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Abstract
Description
技术领域 technical field
本发明涉及一种液封高度可调的水封罐，属于石油化工、电力等涉及气相介质截断设备的领域，适用于低压、有毒、无毒、高温等气相介质有隔断要求并且液封高度根据需要可以调整的场合。 The invention relates to a water-sealed tank with adjustable liquid seal height, which belongs to the fields of petrochemical, electric power and other fields involving gas phase medium cut-off equipment, and is suitable for low pressure, toxic, non-toxic, high temperature and other gas phase media that have cut off requirements and the liquid seal height is based on Adjustable occasions are required.
背景技术 Background technique
目前，适用于炼油、化工行业用于烟气、氮气、燃料气等需要隔断、压力不大的工艺系统一般采用水封罐，水封罐原理是设定一定的液位，隔断气相介质通路，保证气相介质不泄露；当工艺压力平稳时，水封起作用，隔断气相介质；当系统超压时，气相介质突破水封压力而泄压，保证工艺系统的安全运行。 At present, water-sealed tanks are generally used in process systems suitable for oil refining and chemical industries that require isolation of flue gas, nitrogen, fuel gas, etc., and low pressure. Ensure that the gas phase medium does not leak; when the process pressure is stable, the water seal works to block the gas phase medium; when the system is overpressured, the gas phase medium breaks through the pressure of the water seal and releases the pressure, ensuring the safe operation of the process system.
目前国内水封罐的水封高度不可调，成本较高，结构复杂。因为系统改造、扩建或工艺系统变更，需要调整水封高度时，需要重新制造，成本较高。 At present, the water seal height of domestic water seal tanks cannot be adjusted, and the cost is high and the structure is complicated. When the water seal height needs to be adjusted due to system transformation, expansion or process system change, it needs to be remanufactured, which is costly.
有鉴于上述现有的水封罐存在的缺陷，本发明人基于从事此类产品设计制造多年丰富的实务经验及专业知识，并配合学理的运用，积极加以研究创新，以期创设一种新型的液封高度可调的水封罐，能够改进一般现有的水封罐，使其更具有实用性。经过不断的研究、设计，并经过反复试作样品及改进后，终于创设出确具实用价值的本发明。 In view of the above-mentioned defects in the existing water-sealed tanks, the inventor actively researches and innovates based on years of rich practical experience and professional knowledge in the design and manufacture of such products, and cooperates with the application of theories, in order to create a new type of liquid-sealed tank. The water-sealed tank with adjustable sealing height can improve the general existing water-sealed tank and make it more practical. Through continuous research, design, and after repeated trial samples and improvements, the present invention with practical value is finally created.
发明内容 Contents of the invention
本发明的目的在于，克服现有的水封罐存在的缺陷，而提供一种液封高度可调的水封罐，所要解决的技术问题是使其制造更容易、结构更简单、成本低廉、操作更方便、适用广泛，从而更加适于实用。 The purpose of the present invention is to overcome the defects of existing water-sealed tanks and provide a water-sealed tank with adjustable liquid seal height. The technical problem to be solved is to make it easier to manufacture, simpler in structure, low in cost, The operation is more convenient and the application is wide, so that it is more suitable for practical use.
本发明的目的及解决其技术问题是采用以下技术方案来实现的。依据本发明提出的一种液封高度可调的水封罐，其包括小水封和大水封；上述小水封包括：定位调整杆，内套管，溢流口，外套管，密封元件，补水口，引流管，切断阀，连通管；上述大水封包括：排水口，进水口，大筒体，出口管，入口管；其中小水封的外套管与大水封的大筒体固定连接，定位调整杆下端与外套管上端固定连接，内套管上端与定位调整杆连接，内套管位于外套管内，且内套管下端是通过密封元件与外套管滑动连接，溢流口水平位于外套管上方且与内套管固定连接，补水口水平位于外套管下方且与外套管连接，引流管的一端和连通管的一端分别与外套管底部固定连接，而引流管的另一端和连通管的另一端都位于大筒体内，切断阀位于引流管的中间位置，排水口与大筒体的底部固定连接，进水口与大筒体固定连接，入口管径向位于大筒体的中央且与大筒体固定连接，出口管横向位于大筒体的侧面且与大筒体固定连接。 The purpose of the present invention and the solution to its technical problems are achieved by adopting the following technical solutions. According to the present invention, a water-sealed tank with adjustable liquid seal height includes a small water seal and a large water seal; the above-mentioned small water seal includes: a positioning adjustment rod, an inner sleeve, an overflow port, an outer sleeve, and a sealing element , water supply port, drainage pipe, cut-off valve, connecting pipe; the above-mentioned large water seal includes: drain port, water inlet, large cylinder, outlet pipe, and inlet pipe; the outer sleeve of the small water seal is fixedly connected with the large cylinder of the large water seal , the lower end of the positioning adjustment rod is fixedly connected with the upper end of the outer sleeve, the upper end of the inner sleeve is connected with the positioning adjustment rod, the inner sleeve is located in the outer sleeve, and the lower end of the inner sleeve is slidingly connected with the outer sleeve through a sealing element, and the overflow port is horizontally located in the outer sleeve The top of the tube is fixedly connected with the inner casing, the water replenishment port is horizontally located below the outer casing and connected with the outer casing, one end of the drainage tube and one end of the communicating tube are respectively fixedly connected with the bottom of the outer casing, and the other end of the drainage tube is connected with the connecting tube. The other end is located in the large cylinder, the cut-off valve is located in the middle of the drainage pipe, the drain is fixedly connected to the bottom of the large cylinder, the water inlet is fixedly connected to the large cylinder, the inlet pipe is radially located in the center of the large cylinder and fixedly connected to the large cylinder, The outlet pipe is located laterally on the side of the large cylinder and fixedly connected with the large cylinder.
本发明的目的及解决其技术问题还可采用以下技术措施进一步实现。 The purpose of the present invention and its technical problems can also be further realized by adopting the following technical measures.
前述的液封高度可调的水封罐，其中所述的小水封还包括锁紧螺母，上述定位调整杆是通过锁紧螺母分别与内套管和外套管固定连接。 In the aforementioned water-sealed tank with adjustable liquid seal height, the small water seal further includes lock nuts, and the positioning adjustment rods are respectively fixedly connected to the inner sleeve and the outer sleeve through lock nuts.
本发明与现有技术相比具有明显的优点和有益效果。借由上述技术方案，本发明适用于炼油、化工行业用于烟气、氮气、燃料气等气相介质截断、压力不大的工艺系统。 Compared with the prior art, the present invention has obvious advantages and beneficial effects. By virtue of the above-mentioned technical solution, the present invention is applicable to process systems in the oil refining and chemical industry for cutting off gas phase media such as flue gas, nitrogen gas, fuel gas, etc., and with low pressure.
为实现上述发明目的，本发明主要包括两大部分：小水封和大水封。其中小水封包括：定位调整杆，锁紧螺母，内套管，溢流口，外套管，密封元件，补水口，引流管，切断阀，连通管，而大水封包括：排水口，进水口，大筒体，出口管，入口管。 In order to realize the above-mentioned purpose of the invention, the present invention mainly comprises two major parts: small water seal and big water seal. The small water seal includes: positioning adjustment rod, lock nut, inner casing, overflow port, outer casing, sealing element, water supply port, drainage pipe, shut-off valve, connecting pipe, and the large water seal includes: drain port, inlet Nozzle, large cylinder, outlet pipe, inlet pipe.
溢流口固定在内套管上，补水口固定在外套管上，引流管和连通管一端固定在外套管底部，另一端插入大筒体内，小水封外套管与大筒体固定在一起，共同组成一套水封罐。切断阀在引流管中间起切断引流管的作用。 The overflow port is fixed on the inner casing, the water supply port is fixed on the outer casing, one end of the drainage tube and the connecting pipe is fixed on the bottom of the outer casing, and the other end is inserted into the large cylinder, and the small water-sealed outer casing is fixed together with the large cylinder to form a joint. A set of water-sealed jars. The cut-off valve plays the role of cutting off the drainage tube in the middle of the drainage tube.
小水封内套管外表面和外套管内表面经过机械加工，保证表面光滑，内套管放入外套管内，在外套管内轴向能自由伸缩，内套管下端车有几道密封槽，槽内装入密封圈，起密封作用，保证内套管与外套管不能泄露。 The outer surface of the small water-sealed inner casing and the inner surface of the outer casing are machined to ensure a smooth surface. The inner casing is placed in the outer casing and can freely expand and contract in the axial direction in the outer casing. There are several sealing grooves at the lower end of the inner casing. Install the sealing ring to play a sealing role to ensure that the inner casing and the outer casing cannot leak.
定位调整杆一端固定在外套管上端，一端固定在内套管上部，通过定位调整杆，控制内套管在外套管内移动，位置定好后，锁紧螺母锁紧定位调整杆，从而孔溢流口的位置，保证液封高度。 One end of the positioning adjustment rod is fixed on the upper end of the outer sleeve, and the other end is fixed on the upper part of the inner sleeve. Through the positioning adjustment rod, the inner sleeve is controlled to move in the outer sleeve. After the position is fixed, the lock nut locks the positioning adjustment rod, so that the hole overflows position to ensure the height of the liquid seal.
溢流口管子内径下端到入口管下端就是液封高度，小水封内外套管通过引流管与大水封的大筒体液面相通，大水封与小水封液位相等，通过调整溢流口的高度，可以控制大水封的液封高度。 The lower end of the inner diameter of the overflow pipe to the lower end of the inlet pipe is the height of the liquid seal. The inner and outer sleeves of the small water seal communicate with the liquid surface of the large cylinder of the large water seal through the drainage tube. The liquid level of the large water seal and the small water seal are equal. The height of the large water seal can be controlled.
溢流口往上调整，液封高度变大，补水口进水，大水封筒体液位也升高，直到与溢流口相等。 When the overflow port is adjusted upwards, the height of the liquid seal becomes larger, and when water enters the water supply port, the liquid level of the large water seal cylinder also rises until it is equal to the overflow port.
当向下调整溢流口的位置时，水位降低，大水封与小水封的水通过溢流口流程，液封高度降低，从而达到控制液位的目的。 When the position of the overflow port is adjusted downward, the water level decreases, the water of the large water seal and the small water seal passes through the process of the overflow port, and the height of the liquid seal decreases, so as to achieve the purpose of controlling the liquid level.
连通管的作用是，当大筒体根据工艺要求，不需要水封时，切断阀切断引流管，排水口排出大筒体的液体，连通管这时候和小水封起到水封作用。 The function of the connecting pipe is that when the large cylinder does not need a water seal according to the process requirements, the shut-off valve cuts off the drainage pipe, and the drain outlet discharges the liquid in the large cylinder. At this time, the connecting pipe and the small water seal play a role of water sealing.
气相介质由大水封入口管进入大筒体由出口管排出，大筒体上有进水口，排水口，水封罐，液量大时用大筒体的进水口进水，排水口排水，补水口作为液封的调整、补充用水。 The gas phase medium enters the large cylinder through the large water-sealed inlet pipe and is discharged from the outlet pipe. The large cylinder has a water inlet, a discharge outlet, and a water-sealed tank. Adjustment of the liquid seal, replenishment of water.
本发明一种液封高度可调的水封罐至少具有下列优点： A water-sealed tank with adjustable liquid seal height of the present invention has at least the following advantages:
本发明可以调整水封罐的液封高度，满足工艺系统不同操作状态的密封要求，可以通过小水封调节大水封的液封高度，保证工艺系统流量的要求，小水封可以单独使用，满足不同工况的工艺要求。 The invention can adjust the liquid seal height of the water seal tank to meet the sealing requirements of different operating states of the process system. The liquid seal height of the large water seal can be adjusted through the small water seal to ensure the flow rate of the process system. The small water seal can be used alone. Meet the process requirements of different working conditions.
本发明的液封调整部分可以系列化生产，方便优化设计，降低设计、制造费用，整体制造简单，材料用量少，造价低，液封压力调整方便，维修方便，密封严密，能实现零泄漏，适应性强，可以适应高温、有毒、易燃等不同性质的气相介质，使用范围较大。 The liquid seal adjustment part of the present invention can be serially produced, which is convenient for optimal design, reduces design and manufacturing costs, is simple to manufacture overall, uses less material, and is low in cost. , strong adaptability, can adapt to high temperature, toxic, flammable and other gaseous media with different properties, and has a wide range of applications.
本发明的液封高度调整方便，满足不同水封的需要，可以与较大的水封罐组成联合体，降低大水封的制造难度和成本，补水也方便，又能保证水封的可靠。 The liquid seal height of the present invention is convenient to adjust, meets the needs of different water seals, can form a union with larger water seal tanks, reduces the difficulty and cost of manufacturing large water seals, is also convenient for water replenishment, and can ensure the reliability of the water seal.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。 The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.
附图说明 Description of drawings
图1是本发明一种液封高度可调的水封罐的结构示意图。 Fig. 1 is a schematic structural view of a water-sealed tank with adjustable liquid-seal height according to the present invention.
图2是本发明调整后的小水封结构示意图。 Fig. 2 is a schematic diagram of the adjusted small water seal structure of the present invention.
图3是本发明的小水封沿着A向的示意图。 Fig. 3 is a schematic diagram along the direction A of the small water seal of the present invention.
【主要元件符号说明】 [Description of main component symbols]
Ⅰ：小水封Ⅱ：大水封 Ⅰ: Small water seal Ⅱ: Large water seal
1：定位调整杆2：锁紧螺母 1: Positioning adjustment lever 2: Lock nut
3：内套管4：溢流口 3: Inner casing 4: Overflow port
5：外套管6：密封元件 5: Outer sleeve 6: Sealing element
7：补水口8：引流管 7: Water supply port 8: Drainage tube
9：切断阀10：连通管 9: Shut-off valve 10: Connecting pipe
11：排水口12：进水口 11: Outlet 12: Water inlet
13：大筒体14：出口管 13: Large cylinder 14: Outlet pipe
15：入口管 15: Inlet pipe
具体实施方式 detailed description
为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本发明提出的一种液封高度可调的水封罐其具体实施方式、结构、特征及其功效，详细说明如后。 In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation of a liquid-sealed height-adjustable water-sealed tank proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , structure, feature and effect thereof, detailed description is as follows.
图1为本发明一种液封高度可调的水封罐的结构示意图，图2是本发明调整后的小水封结构示意图，图3是本发明的小水封沿着A向的示意图。 Fig. 1 is a schematic structural diagram of a water-sealed tank with adjustable liquid seal height according to the present invention, Fig. 2 is a schematic diagram of the adjusted small water seal structure of the present invention, and Fig. 3 is a schematic diagram of the small water seal according to the present invention along the direction A.
如图1、图2及图3所示，本发明一种液封高度可调的水封罐，其主要包括两部分：小水封Ⅰ和大水封Ⅱ。小水封Ⅰ包括：定位调整杆1，锁紧螺母2，内套管3，溢流口4，外套管5，密封元件6，补水口7，引流管8，切断阀9，连通管10。大水封Ⅱ包括：排水口11，进水口12，大筒体13，出口管14，入口管15。 As shown in Fig. 1, Fig. 2 and Fig. 3, a water-seal tank with adjustable liquid seal height according to the present invention mainly includes two parts: small water seal I and large water seal II. Small water seal I includes: positioning adjustment rod 1, lock nut 2, inner casing 3, overflow port 4, outer casing 5, sealing element 6, water supply port 7, drainage pipe 8, shut-off valve 9, and connecting pipe 10. The large water seal II includes: a water outlet 11, a water inlet 12, a large cylinder 13, an outlet pipe 14, and an inlet pipe 15.
小水封Ⅰ内套管3放入外套管5内，定位调整杆1把内外套管5固定在一起，拧动定位调整杆1可以调整内套管3相对外套管5的高度，位置定好后，锁紧螺母2锁紧定位调整杆1，多余的液体从溢流口4的流出，不足的部分有补水口7补充，从而保证水封高度。 Small water seal I inner casing 3 is put into the outer casing 5, and the positioning adjustment rod 1 fixes the inner and outer casing 5 together. Turning the positioning adjustment rod 1 can adjust the height of the inner casing 3 relative to the outer casing 5. After the position is fixed , The lock nut 2 locks the positioning adjustment rod 1, the excess liquid flows out from the overflow port 4, and the insufficient part is supplemented by the water replenishment port 7, thereby ensuring the height of the water seal.
内外套管5有密封结构，保证内外套管5密封。 The inner and outer sleeves 5 have a sealing structure to ensure the sealing of the inner and outer sleeves 5 .
小水封Ⅰ内外套管5通过引流管8与大水封Ⅱ的大筒体13液面相通，大水封Ⅱ与小水封Ⅰ液位相等，通过调整溢流口4的高度，可以控制大水封Ⅱ的水封高度。 The inner and outer sleeves 5 of the small water seal I communicate with the liquid surface of the large cylinder 13 of the large water seal II through the drainage tube 8, and the liquid level of the large water seal II and the small water seal I is equal. By adjusting the height of the overflow port 4, the large water seal can be controlled. Water seal height of water seal II.
溢流口4往上调整，液封高度变大，补水口7进水，大水封Ⅱ筒体液位也升高，直到与溢流口4相等；当向下调整溢流口4的位置时，水位降低，大水封Ⅱ与小水封Ⅰ的水通过溢流口4流程，液封高度降低，从而达到控制水封高度的目的。 When the overflow port 4 is adjusted upward, the height of the liquid seal becomes larger, and the water supply port 7 enters the water, and the liquid level of the large water seal II cylinder also rises until it is equal to the overflow port 4; when the position of the overflow port 4 is adjusted downward , the water level decreases, the water of the large water seal II and the small water seal I passes through the overflow port 4 process, and the height of the liquid seal is reduced, so as to achieve the purpose of controlling the height of the water seal.
连通管10的作用是，当大筒体13根据工艺要求，不需要水封时，切断阀9切断引流管8，排水口11排出大筒体13的液体，连通管10这时候和小水封Ⅰ起到水封作用。 The function of the connecting pipe 10 is that when the large cylinder 13 does not need a water seal according to the process requirements, the shut-off valve 9 cuts off the drainage pipe 8, and the drain port 11 discharges the liquid in the large cylinder 13. At this time, the connecting pipe 10 works with the small water seal I to the water seal.
大水封Ⅱ入口管15为气相介质入口，由出口管14排出，大筒体13上有进水口12，排水口11，液量大时用大筒体13的进水口12进水，排水口11排水，小水封Ⅰ补水口7作为液封的调整、补充用水，大水封Ⅱ大筒体13内水封高度按小水封Ⅰ调整，从而切断气相介质通路，起到水封作用。 The large water seal II inlet pipe 15 is the inlet of the gas phase medium, which is discharged from the outlet pipe 14. There is a water inlet 12 and a water outlet 11 on the large cylinder 13. When the liquid volume is large, the water inlet 12 of the large cylinder 13 is used for water intake, and the water outlet 11 is used for drainage. The small water seal I replenishment port 7 is used as liquid seal adjustment and supplementary water, and the water seal height in the large cylinder body 13 of the large water seal II is adjusted according to the small water seal I, thereby cutting off the gas phase medium passage and playing the role of water seal.
小水封Ⅰ外套管5与大筒体13固定在一起，组成一套液封高度可调的水封罐系统。 The outer casing 5 of the small water seal I and the large cylinder 13 are fixed together to form a water seal tank system with adjustable liquid seal height.
因为是通过小水封Ⅰ控制大水封Ⅱ的液位高度，可以适用不同工艺系统的气相介质液封要求，通过选择合适的大水封Ⅱ的材质、进出口直径，可以应用较大流量，较高温度的水封系统，而且小水封Ⅰ也可以单独使用起到密封作用。 Because the liquid level of the large water seal II is controlled by the small water seal I, it can be applied to the gas phase medium liquid seal requirements of different process systems. By selecting the appropriate material and inlet and outlet diameter of the large water seal II, a larger flow rate can be applied. Higher temperature water seal system, and the small water seal I can also be used alone to play a sealing role.
综上所述，本发明可以调整水封罐的液封高度，满足不同工况的工艺要求，保证工艺装置的顺利运行。有成本低廉的优势。相对于目前的各种水封罐，本发明是一种制造更容易、结构更简单、成本低廉、操作更方便、适用广泛的新型水封罐。 In summary, the present invention can adjust the liquid seal height of the water seal tank, meet the process requirements of different working conditions, and ensure the smooth operation of the process equipment. It has the advantage of low cost. Compared with various current water-sealed tanks, the present invention is a novel water-sealed tank with easier manufacture, simpler structure, lower cost, more convenient operation and wide application.
以上所述，仅是本发明的较佳实施例而已，并非对本发明做任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所做的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。 The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes. Technical Essence of the Invention Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.
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| CN111734849B (en) * | 2020-07-04 | 2022-03-22 | 南京天人环保设备有限公司 | Automatic water replenishing safe water-sealed tank with variable liquid level and control method thereof |
| CN111942764B (en) * | 2020-09-15 | 2025-07-15 | 山东北辰机电设备股份有限公司 | A micro-pressure maintaining device for large storage tanks |
| CN112707051B (en) * | 2020-12-31 | 2022-07-22 | 河南红东方化工股份有限公司 | Hydrochloric acid storage tank for aminoacetic acid production |
| CN113418032B (en) * | 2021-06-10 | 2023-11-14 | 洛阳超蓝节能技术有限公司 | Liquid seal valve and gas phase medium cutting-off method thereof |
| CN114777519A (en) * | 2022-05-05 | 2022-07-22 | 苏州荣轩环保有限公司 | A safety overflow device for condensate collection tank |
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