CN111942764A - Micropressure holding device for large storage tank - Google Patents

Micropressure holding device for large storage tank Download PDF

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CN111942764A
CN111942764A CN202010965929.3A CN202010965929A CN111942764A CN 111942764 A CN111942764 A CN 111942764A CN 202010965929 A CN202010965929 A CN 202010965929A CN 111942764 A CN111942764 A CN 111942764A
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storage tank
pressure
pipe
overflow
water storage
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CN111942764B (en
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金哲
范传杰
陈蓉
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Shandong Beichen Mechanical & Electrical Equipment Co ltd
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Shandong Beichen Mechanical & Electrical Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/24—Spillage-retaining means, e.g. recovery ponds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/48—Arrangements of indicating or measuring devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/004—Central heating systems using heat accumulated in storage masses water heating system with conventional supplementary heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

本发明公开了一种大型储罐微压保持装置，贮水箱上部一侧设有进水管，贮水箱下部设有溢流箱，溢流箱内部设有保压溢流管，保压溢流管穿过贮水箱且其上口高于贮水箱的底板，溢流箱上部一侧设有泄压管，泄压管一端与排污池连接；贮水箱上部一侧设有进气管，进气管下端低于保压溢流管的上口，且进气管下端与贮水箱底板不接触。本发明在贮水箱下部设置了溢流箱，在溢流箱内部设置了保压溢流管，在贮水箱上部设置了进气管，在非溢流时段，当储罐内气压大于一定压力时，保压溢流管对外排气，整个储罐对外泄压；当储罐内气压小于一定压力时，进气管进气进行补压，保证了储罐内部压力维持在安全范围内。

Figure 202010965929

The invention discloses a micro-pressure maintaining device for a large-scale storage tank. A water inlet pipe is arranged on one side of the upper part of the water storage tank, an overflow box is arranged at the lower part of the water storage tank, and a pressure-maintaining overflow pipe is arranged inside the overflow tank. Passing through the water storage tank and its upper opening is higher than the bottom plate of the water storage tank, a pressure relief pipe is arranged on the upper side of the overflow tank, and one end of the pressure relief pipe is connected to the sewage tank; the upper side of the water storage tank is provided with an air inlet pipe, and the lower end of the air inlet pipe is low It is located at the upper port of the pressure-maintaining overflow pipe, and the lower end of the intake pipe does not contact the bottom plate of the water storage tank. In the invention, an overflow tank is arranged at the lower part of the water storage tank, a pressure-preserving overflow pipe is arranged inside the overflow tank, and an air inlet pipe is arranged at the upper part of the water storage tank. The pressure-maintaining overflow pipe is exhausted to the outside, and the entire storage tank is depressurized to the outside; when the air pressure in the storage tank is less than a certain pressure, the air intake pipe will supplement the pressure to ensure that the internal pressure of the storage tank is maintained within a safe range.

Figure 202010965929

Description

一种大型储罐微压保持装置A small pressure holding device for a large storage tank

技术领域technical field

本发明属于保压装置技术领域，特别涉及一种大型储罐微压保持装置。The invention belongs to the technical field of pressure maintaining devices, in particular to a micro-pressure maintaining device for large storage tanks.

背景技术Background technique

当前我国大中型城市实行集中供热、采用清洁燃料(油、瓦斯气)供热后，缓解了以烟尘和硫化物为主的污染状况，但并没有缓解氮氧化物对大气质量的污染。At present, after the implementation of central heating and the use of clean fuels (oil, gas) for heating in large and medium-sized cities in my country, the pollution mainly caused by soot and sulfide has been alleviated, but the pollution of nitrogen oxides on air quality has not been alleviated.

近年来电力建设加速发展，电力供应的紧张局面趋于缓和，相当地区出现了电力过剩。一些地区从发展的角度出发开始鼓励发展以电为加热源。一些城市为了提高城市大气环境质量也开始发展电加热供暖方式，很多着重于市场经济发展的企业已经率先采用了电加热供暖的方式为自己的企业提供热能。In recent years, the development of power construction has been accelerated, the tension of power supply has tended to ease, and there has been a surplus of power in quite a few areas. From the perspective of development, some regions have begun to encourage the development of electricity as a heating source. In order to improve the quality of the urban atmospheric environment, some cities have also begun to develop electric heating and heating methods. Many enterprises that focus on the development of market economy have taken the lead in adopting electric heating and heating methods to provide heat energy for their enterprises.

用电有高峰期和低峰期，即将用电划分为低峰期的谷电和高峰期的峰电，通常峰电期间的用电量较大，在谷电期间发电厂生产的电能利用率较低，导致许多电能被浪费。Electricity consumption has peak periods and low-peak periods, that is to say, electricity consumption is divided into valley electricity during low peak period and peak electricity during peak period. Usually, the electricity consumption during peak electricity is larger, and the utilization rate of electricity produced by power plants during valley electricity low, causing a lot of power to be wasted.

由于用电不均衡，电网的峰谷差进一步拉大，而我国电网调峰能力严重不足，降低了发电机组的运行效率，造成能源浪费。为合理分配电网资源，降低能耗，一些地方提倡错峰用电。为了配合错峰用电，人们研发了电热蓄热供暖设备。在用电低谷时，电热管工作加热储热体，储热体储存能量，等到用电高峰时。电热管不工作，储存了热量的储热体向外部散热，达到供暖的目的。Due to the unbalanced power consumption, the peak-to-valley difference of the power grid is further widened, and the peak-shaving capacity of my country's power grid is seriously insufficient, which reduces the operating efficiency of the generator set and causes energy waste. In order to reasonably allocate power grid resources and reduce energy consumption, some places advocate off-peak power consumption. In order to cope with the staggered power consumption, people have developed electric heat storage heating equipment. When the electricity consumption is low, the electric heating tube works to heat the heat storage body, and the heat storage body stores energy until the electricity consumption peaks. The electric heating tube does not work, and the heat storage body that stores the heat dissipates heat to the outside to achieve the purpose of heating.

电蓄热供暖是转移高峰电力，开发低谷用电，优化资源配置，保护生态环境的一项重要措施。蓄热供暖设备的应用不仅能转移高峰电力，而且对防治大气污染，改进城市用电消费结构有极大的好处。Electric thermal storage heating is an important measure to transfer peak power, develop low-valley power consumption, optimize resource allocation and protect the ecological environment. The application of thermal storage heating equipment can not only transfer peak power, but also have great benefits for preventing and controlling air pollution and improving the structure of urban electricity consumption.

目前蓄热设备大多采用大型蓄水罐来储蓄高温热水，在谷电时间段蓄满高温水，在峰电时间对外供暖。当蓄水罐内部的水温升高时，水膨胀，压力也会上升，会对大型蓄水罐产生应力影响；当水温降低时，水冷缩，压力变低，也会对蓄水罐产生应力影响，进而引发事故。故需要保持水罐内的压力在一定的安全范围内。At present, most of the thermal storage equipment uses large water storage tanks to store high-temperature hot water, which is filled with high-temperature water during valley power hours, and external heating during peak power hours. When the water temperature inside the water storage tank rises, the water expands and the pressure also rises, which will have a stress effect on the large water storage tank; when the water temperature decreases, the water shrinks and the pressure becomes lower, which will also cause stress to the water storage tank impact, which can lead to accidents. Therefore, it is necessary to keep the pressure in the water tank within a certain safe range.

发明内容SUMMARY OF THE INVENTION

本发明的目的是克服现有技术中的不足，提供一种大型储罐微压保持装置，在贮水箱下部设置了溢流箱，在溢流箱内部设置了保压溢流管，在贮水箱上部设置了进气管，在非溢流时段，当储罐内气压大于一定压力时，保压溢流管对外排气，整个储罐对外泄压；当储罐内气压小于一定压力时，进气管进气进行补压，保证了储罐内部压力维持在安全范围内。The purpose of the present invention is to overcome the deficiencies in the prior art and provide a micro-pressure holding device for a large storage tank. An overflow box is arranged at the lower part of the water storage tank, and a pressure-preserving overflow pipe is arranged inside the overflow box. The upper part is provided with an air intake pipe. During the non-overflow period, when the air pressure in the storage tank is greater than a certain pressure, the pressure-preserving overflow pipe is exhausted to the outside, and the entire storage tank is depressurized to the outside; when the air pressure in the storage tank is less than a certain pressure, the air intake pipe The intake air is pressurized to ensure that the internal pressure of the storage tank is maintained within a safe range.

为了实现上述目的，本发明采用的技术方案是：In order to achieve the above object, the technical scheme adopted in the present invention is:

一种大型储罐微压保持装置，包括贮水箱、溢流箱，所述贮水箱上部一侧设有进水管，进水管上端设有连接法兰，连接法兰与储罐溢流管(图中未示出)可拆卸地连接，所述贮水箱下部设有溢流箱，所述溢流箱内部设有保压溢流管，保压溢流管穿过贮水箱且其上口高于贮水箱的底板，保压溢流管的上口与贮水箱底部间的空间形成液封容积，所述溢流箱上部一侧设有泄压管，泄压管一端与排污池连接(图中未示出)；所述贮水箱上部一侧设有进气管，进气管下端低于保压溢流管的上口，且进气管下端与贮水箱底板不接触。A micro-pressure holding device for a large storage tank, including a water storage tank and an overflow tank, a water inlet pipe is arranged on one side of the upper part of the water storage tank, and a connecting flange is arranged on the upper end of the water inlet pipe, and the connection flange is connected with the overflow pipe of the storage tank (Fig. (not shown in the figure) is detachably connected, an overflow tank is arranged at the lower part of the water storage tank, and a pressure-maintaining overflow pipe is arranged inside the overflow tank. The bottom plate of the water storage tank, the space between the upper mouth of the pressure-maintaining overflow pipe and the bottom of the water storage tank forms a liquid-sealed volume, and a pressure relief pipe is arranged on one side of the upper part of the overflow tank, and one end of the pressure relief pipe is connected to the sewage tank (Fig. Not shown); the upper side of the water storage tank is provided with an air inlet pipe, the lower end of the air inlet pipe is lower than the upper port of the pressure-maintaining overflow pipe, and the lower end of the air inlet pipe does not contact the bottom plate of the water storage tank.

当储罐发生溢流时，流体通过储罐溢流管流入贮水箱内部，并通过保压溢流管流入溢流箱内部，当溢流箱内部的流体液位高度达到泄压管时，流通从泄压管溢流至排污池中，保证了储罐溢流功能的正常使用。When the storage tank overflows, the fluid flows into the water storage tank through the storage tank overflow pipe, and flows into the overflow tank through the pressure-preserving overflow pipe. When the fluid level inside the overflow tank reaches the pressure relief pipe, the flow of The overflow from the pressure relief pipe to the sewage tank ensures the normal use of the overflow function of the storage tank.

在非溢流时段，贮水箱内的液位低于保压溢流管的上口，当储罐内气压大于泄压管与保压溢流管底部的高度L3形成的压力时，高压气体依次通过保压溢流管和泄压管向外排出，整个储罐对外泄压；当储罐内气压小于保压溢流管上口与贮水箱底板间的液封高度L2形成的压力时，储罐和贮水箱内部形成负压，外部空气通过进气管进入贮水箱和储罐内部进行补压，保证了储罐内部压力维持在安全范围内。During the non-overflow period, the liquid level in the water storage tank is lower than the upper port of the pressure-holding overflow pipe. When the air pressure in the storage tank is greater than the pressure formed by the height L3 between the pressure - relief pipe and the bottom of the pressure-holding overflow pipe, the high-pressure gas The pressure is discharged to the outside through the pressure-maintaining overflow pipe and the pressure-relief pipe in turn, and the entire storage tank is depressurized to the outside; when the air pressure in the storage tank is less than the pressure formed by the liquid seal height L 2 between the upper port of the pressure-holding overflow pipe and the bottom plate of the water storage tank , The negative pressure is formed inside the storage tank and the water storage tank, and the external air enters the water storage tank and the inside of the storage tank through the air intake pipe for supplementary pressure, which ensures that the internal pressure of the storage tank is maintained within a safe range.

作为本技术方案的进一步优选，所述进气管上部设有过滤网，避免了外部灰尘通过进气管进入贮水箱内部。As a further preference of the technical solution, the upper part of the air inlet pipe is provided with a filter screen to prevent external dust from entering the interior of the water storage tank through the air inlet pipe.

作为本技术方案的进一步优选，所述泄压管上设有单向阀，单向阀避免了溢流箱内部进入空气影响泄压的精度。As a further preference of the technical solution, the pressure relief pipe is provided with a one-way valve, and the one-way valve prevents the air entering into the overflow tank from affecting the pressure relief accuracy.

作为本技术方案的进一步优选，所述保压溢流管上端内部螺纹连接有伸缩管，伸缩管便于调节保压溢流管上口与贮水箱底板间的高度，从而调整储罐的补气气压。As a further preference of this technical solution, a telescopic tube is threaded inside the upper end of the pressure-maintaining overflow pipe, and the telescopic pipe is convenient to adjust the height between the upper port of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank, thereby adjusting the air supply pressure of the storage tank .

作为本技术方案的进一步优选，所述伸缩管上端设有限位环板，限位环板限制了伸缩管向下调节的范围，避免了伸缩管旋入保压溢流管内部后难以取出；所述限位环板两侧设有把手，把手便于伸缩管免工具快速调节As a further preference of this technical solution, the upper end of the telescopic tube is provided with a limit ring plate, and the limit ring plate limits the downward adjustment range of the telescopic tube, so as to avoid the difficulty of taking out the telescopic tube after being screwed into the pressure-maintaining overflow pipe; There are handles on both sides of the limit ring plate, and the handles are convenient for the rapid adjustment of the telescopic tube without tools.

作为本技术方案的进一步优选，所述溢流箱由透明材料制成，溢流箱一侧设有刻度线，便于判断调节板的位置，从而判断储罐的泄压压力。As a further preference of this technical solution, the overflow box is made of transparent material, and a scale line is provided on one side of the overflow box, which is convenient for judging the position of the adjustment plate, thereby judging the pressure relief pressure of the storage tank.

作为本技术方案的进一步优选，所述溢流箱内部设有调节板，所述保压溢流管底部安装在调节板上，且保压溢流管底部设有若干缺口，所述调节板下部设有螺杆，螺杆与溢流箱底板螺纹连接，螺杆下端设有手轮；根据储罐内部承压能力的大小，转动手轮调整调整泄压管与保压溢流管下口的高度L3，从而调整储罐的泄压压力，扩大了微压保证装置的适用范围。As a further preference of this technical solution, an adjustment plate is arranged inside the overflow box, the bottom of the pressure-maintaining overflow pipe is installed on the adjustment plate, and the bottom of the pressure-maintaining overflow pipe is provided with a number of gaps, and the lower part of the adjustment plate There is a screw, which is connected with the bottom plate of the overflow box by thread, and the lower end of the screw is provided with a hand wheel; according to the internal pressure bearing capacity of the storage tank, turn the hand wheel to adjust and adjust the height of the pressure relief pipe and the lower port of the pressure maintaining overflow pipe L 3 , thereby adjusting the pressure relief pressure of the storage tank and expanding the application range of the micro-pressure guarantee device.

作为本技术方案的进一步优选，所述进气管的长度L1大于泄压管与保压溢流管底部间的液位高度L3，当储罐内压大于泄压管与保压溢流管底部间的液位高度L3产生的压力时，保压溢流管对外泄压，进气管内液位静压力大于溢流箱的泄压压力，避免了流体从进气管上口排出。As a further preference of this technical solution, the length L 1 of the air inlet pipe is greater than the liquid level height L 3 between the pressure relief pipe and the bottom of the pressure maintaining overflow pipe. When the pressure generated by the liquid level height L3 between the bottoms, the pressure - maintaining overflow pipe is released to the outside, and the liquid level static pressure in the intake pipe is greater than the pressure relief pressure of the overflow tank, which prevents the fluid from being discharged from the upper port of the intake pipe.

作为本技术方案的进一步优选，所述溢流箱的容积VB大于两倍的保压溢流管内部容积Vb，当储罐压力大于泄压管与保压溢流管底部间的液位高度L3产生的压力完成泄压后，储罐内部压力等于0kpa时，保证了保压溢流管上口与贮水箱底板间仍然满液；当储罐压力小于保压溢流管上口与贮水箱底板间的液封高度形成的压力，溢流箱内部进一步向保压溢流管内注液时，溢流箱内不会吸空进气，保证了保压装置的精确性。As a further preference of this technical solution, the volume V B of the overflow tank is greater than twice the internal volume V b of the pressure maintaining overflow pipe, and when the pressure of the storage tank is greater than the liquid level between the pressure relief pipe and the bottom of the pressure maintaining overflow pipe After the pressure generated by the height L3 is released, when the internal pressure of the storage tank is equal to 0kpa, it is ensured that the upper port of the pressure-retaining overflow pipe and the bottom plate of the water storage tank are still full of liquid; Due to the pressure formed by the height of the liquid seal between the bottom plates of the water storage tank, when the overflow tank further injects liquid into the pressure-maintaining overflow pipe, the overflow tank will not suck in air, which ensures the accuracy of the pressure-maintaining device.

作为本技术方案的进一步优选，所述保压溢流管上口与贮水箱底板间形成的液封容积Vc大于进气管的体积Vd，当储罐内压大于泄压管与保压溢流管底部间的液位高度L3产生的压力，保压溢流管对外泄压时，保压溢流管上口与贮水箱底板间的流体往进气管内注液高度为：泄压管与保压溢流管底部间的液位高度L3，注液后液封流体不会被吸空，保证了保压装置的精确性。As a further preference of this technical solution, the volume Vc of the liquid seal formed between the upper port of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank is greater than the volume Vd of the intake pipe. The pressure generated by the liquid level height L3 between the bottoms of the pipes, when the pressure-maintaining overflow pipe releases the external pressure, the fluid between the upper port of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank is injected into the intake pipe at a height of: the pressure relief pipe and the The liquid level height L 3 between the bottoms of the pressure-maintaining overflow pipes ensures that the liquid-sealing fluid will not be emptied after injection, which ensures the accuracy of the pressure-maintaining device.

本发明的有益效果是：The beneficial effects of the present invention are:

1)本发明在贮水箱下部设置了溢流箱，在溢流箱内部设置了保压溢流管，在贮水箱上部设置了进气管，在非溢流时段，当储罐内气压大于一定压力时，保压溢流管对外排气，整个储罐对外泄压；当储罐内气压小于一定压力时，进气管进气进行补压，保证了储罐内部压力维持在安全范围内。1) In the present invention, an overflow tank is arranged at the lower part of the water storage tank, a pressure-preserving overflow pipe is arranged inside the overflow box, and an air intake pipe is arranged at the upper part of the water storage tank. During the non-overflow period, when the air pressure in the storage tank is greater than a certain pressure When the pressure is maintained, the overflow pipe is exhausted to the outside, and the entire storage tank is depressurized to the outside; when the air pressure in the storage tank is less than a certain pressure, the air intake pipe will supplement the pressure to ensure that the internal pressure of the storage tank is maintained within a safe range.

2)进气管上部设有过滤网，避免了外部灰尘通过进气管进入贮水箱内部。2) The upper part of the air intake pipe is provided with a filter screen to prevent external dust from entering the water storage tank through the air intake pipe.

3)泄压管上设有单向阀，单向阀避免了溢流箱内部进入空气影响泄压的精度。3) There is a one-way valve on the pressure relief pipe, which prevents the air entering the overflow box from affecting the pressure relief accuracy.

4)保压溢流管上端内部螺纹连接有伸缩管，伸缩管便于调节保压溢流管上口与贮水箱底板间的高度，从而调整储罐的补气气压。4) The upper end of the pressure-maintaining overflow pipe is internally threaded with a telescopic pipe, which is convenient for adjusting the height between the upper port of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank, thereby adjusting the air supply pressure of the storage tank.

5)伸缩管上端设有限位环板，限位环板限制了伸缩管向下调节的范围，避免了伸缩管旋入保压溢流管内部后难以取出；限位环板两侧设有把手，把手便于伸缩管免工具快速调节。5) The upper end of the telescopic tube is provided with a limit ring plate. The limit ring plate limits the downward adjustment range of the telescopic tube, which prevents the expansion pipe from being difficult to take out after being screwed into the pressure-preserving overflow pipe; there are handles on both sides of the limit ring plate , the handle is convenient for quick adjustment of the telescopic tube without tools.

6)溢流箱由透明材料制成，溢流箱一侧设有刻度线，便于判断调节板的位置，从而判断储罐的泄压压力。6) The overflow box is made of transparent material, and there is a scale line on one side of the overflow box, which is convenient for judging the position of the adjustment plate, so as to judge the pressure relief pressure of the storage tank.

7)溢流箱内部设有调节板，保压溢流管底部安装在调节板上，且保压溢流管底部设有若干缺口，调节板下部设有螺杆，螺杆与溢流箱底板螺纹连接，螺杆下端设有手轮；根据储罐内部承压能力的大小，转动手轮调整调整泄压管与保压溢流管下口的高度L3，从而调整储罐的泄压压力，扩大了微压保证装置的适用范围。7) There is an adjustment plate inside the overflow box, the bottom of the pressure-maintaining overflow pipe is installed on the adjustment plate, and the bottom of the pressure-maintaining overflow pipe is provided with a number of gaps, and the lower part of the adjustment plate is provided with a screw, which is threadedly connected to the bottom plate of the overflow box , There is a handwheel at the lower end of the screw; according to the pressure-bearing capacity of the storage tank, turn the handwheel to adjust the height L3 of the pressure relief pipe and the pressure-retaining overflow pipe, so as to adjust the pressure relief pressure of the storage tank and expand the Scope of application of the micro-pressure guarantee device.

8)进气管的长度大于泄压管与保压溢流管底部间的液位高度L3，当储罐内压大于泄压管与保压溢流管底部间的液位高度L3产生的压力时，保压溢流管对外泄压，进气管内液位静压力大于溢流箱的泄压压力，避免了流体从进气管上口排出。8) The length of the intake pipe is greater than the liquid level height L 3 between the pressure relief pipe and the bottom of the pressure maintaining overflow pipe. When the internal pressure of the storage tank is greater than the liquid level height L 3 between the pressure relief pipe and the bottom of the pressure maintaining overflow pipe. When the pressure is high, the pressure-maintaining overflow pipe is released to the outside, and the static pressure of the liquid level in the intake pipe is greater than the pressure relief pressure of the overflow tank, which prevents the fluid from being discharged from the upper port of the intake pipe.

9)溢流箱的容积VB大于两倍的保压溢流管内部容积Vb，当储罐压力大于泄压管与保压溢流管底部间的液位高度L3产生的压力完成泄压后，储罐内部压力等于0kpa时，保证了保压溢流管上口与贮水箱底板间仍然满液；当储罐压力小于保压溢流管上口与贮水箱底板间的液封高度形成的压力，溢流箱内部进一步向保压溢流管内注液时，溢流箱内不会吸空进气，保证了保压装置的精确性。9) The volume V B of the overflow tank is greater than twice the internal volume V b of the pressure-holding overflow pipe. When the pressure of the storage tank is greater than the liquid level height L3 between the pressure - relief pipe and the bottom of the pressure-holding overflow pipe, the pressure generated by the discharge is completed. After pressure, when the internal pressure of the storage tank is equal to 0kpa, it is ensured that the upper port of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank are still full of liquid; When the pressure is formed, when the inside of the overflow box further injects liquid into the pressure-maintaining overflow pipe, the overflow box will not suck in air, which ensures the accuracy of the pressure-maintaining device.

10)保压溢流管上口与贮水箱底板间形成的液封容积Vc大于进气管的体积Vd，当储罐内压大于泄压管与保压溢流管底部间的液位高度产生的压力，保压溢流管对外泄压时，保压溢流管上口与贮水箱底板间的流体往进气管内注液高度为：泄压管与保压溢流管底部间的液位高度L3，注液后液封流体不会被吸空，保证了保压装置的精确性。10) The volume Vc of the liquid seal formed between the upper opening of the pressure-maintaining overflow pipe and the bottom plate of the water storage tank is greater than the volume Vd of the intake pipe. When the pressure-retaining overflow pipe releases pressure to the outside, the fluid between the upper port of the pressure-retaining overflow pipe and the bottom plate of the water storage tank is injected into the intake pipe at a height of: the liquid level between the pressure-relief pipe and the bottom of the pressure-retaining overflow pipe With the height L 3 , the liquid sealing fluid will not be sucked out after injection, which ensures the accuracy of the pressure maintaining device.

附图说明Description of drawings

附图1是本发明一种大型储罐微压保持装置结构示意图。1 is a schematic structural diagram of a micro-pressure holding device for a large-scale storage tank according to the present invention.

附图2是本发明一种大型储罐微压保持装置剖视图。2 is a cross-sectional view of a micro-pressure holding device for a large-scale storage tank of the present invention.

附图3是本发明一种大型储罐微压保持装置中溢流管爆炸图。3 is an exploded view of the overflow pipe in a micro-pressure holding device for a large-scale storage tank of the present invention.

附图4是本发明一种大型储罐微压保持装置中伸缩管结构示意图。4 is a schematic structural diagram of a telescopic tube in a micro-pressure holding device for a large-scale storage tank of the present invention.

图中：1、贮水箱；2、进水管；3、连接法兰；4、溢流箱；5、刻度线；6、保压溢流管；7、调节板；8、螺杆；9、手轮；10、进气管；11、泄压管；12、单向阀；13、伸缩管；14、限位环板；15、把手；In the figure: 1. Water storage tank; 2. Water inlet pipe; 3. Connecting flange; 4. Overflow box; 5. Scale line; 6. Pressure-preserving overflow pipe; 7. Adjusting plate; Wheel; 10. Intake pipe; 11. Pressure relief pipe; 12. Check valve; 13. Telescopic pipe; 14. Limit ring plate; 15. Handle;

具体实施方式Detailed ways

下面结合附图1-4，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 1-4. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

在本发明的描述中，需要理解的是，术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明，而不是指示或暗示所指的装置或元件必须具有特定的方位、特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a specific orientation, a specific orientation configuration and operation, and therefore should not be construed as a limitation of the invention.

在本实施例中，设定保压装置的保压范围为-0.3KPa-12Kpa，即L2＝30mm，L3＝1200mm。In this embodiment, the pressure maintaining range of the pressure maintaining device is set to be -0.3KPa-12Kpa, that is, L 2 =30mm, L 3 =1200mm.

一种大型储罐微压保持装置，包括贮水箱1、溢流箱4，所述贮水箱1上部一侧设有进水管2，进水管2上端设有连接法兰3，连接法兰3与储罐溢流管(图中未示出)可拆卸地连接，所述贮水箱1下部设有溢流箱4，所述溢流箱4内部设有保压溢流管6，保压溢流管6穿过贮水箱1且其上口高于贮水箱1的底板，保压溢流管6的上口与贮水箱1底部间的空间形成液封容积，所述溢流箱4上部一侧设有泄压管11，泄压管11一端与排污池连接(图中未示出)；所述贮水箱1上部一侧设有进气管10，进气管10下端低于保压溢流管6的上口，且进气管10下端与贮水箱1底板不接触。A micro-pressure maintaining device for a large storage tank, comprising a water storage tank 1 and an overflow tank 4, a water inlet pipe 2 is arranged on one side of the upper part of the water storage tank 1, and a connection flange 3 is arranged on the upper end of the water inlet pipe 2, and the connection flange 3 is connected with the water inlet pipe 2. The storage tank overflow pipe (not shown in the figure) is detachably connected, the lower part of the water storage tank 1 is provided with an overflow tank 4, and the overflow tank 4 is provided with a pressure-maintaining overflow pipe 6, which can maintain pressure and overflow. The pipe 6 passes through the water storage tank 1 and its upper opening is higher than the bottom plate of the water storage tank 1. The space between the upper opening of the pressure-preserving overflow pipe 6 and the bottom of the water storage tank 1 forms a liquid sealing volume. The upper side of the overflow tank 4 A pressure relief pipe 11 is provided, and one end of the pressure relief pipe 11 is connected to the sewage tank (not shown in the figure); the upper side of the water storage tank 1 is provided with an air inlet pipe 10, and the lower end of the air inlet pipe 10 is lower than the pressure maintaining overflow pipe 6 and the lower end of the air intake pipe 10 is not in contact with the bottom plate of the water storage tank 1.

当储罐发生溢流时，流体通过储罐溢流管流入贮水箱1内部，并通过保压溢流管6流入溢流箱4内部，当溢流箱4内部的流体液位高度达到泄压管11时，流通从泄压管11溢流至排污池中，保证了储罐溢流功能的正常使用。When the storage tank overflows, the fluid flows into the water storage tank 1 through the storage tank overflow pipe, and flows into the overflow tank 4 through the pressure-maintaining overflow pipe 6. When the fluid level in the overflow tank 4 reaches the pressure relief When the pipe 11 is used, the flow overflows from the pressure relief pipe 11 to the sewage tank, which ensures the normal use of the overflow function of the storage tank.

在非溢流时段，贮水箱1内的液位低于保压溢流管6的上口，当储罐内气压大于12Kpa时，高压气体依次通过保压溢流管6和泄压管11向外排出，整个储罐对外泄压；当储罐内气压小于-0.3KPa时，储罐和贮水箱1内部形成负压，外部空气通过进气管10进入贮水箱1和储罐内部进行补压，保证了储罐内部压力维持在安全范围内。During the non-overflow period, the liquid level in the water storage tank 1 is lower than the upper port of the pressure-maintaining overflow pipe 6. When the pressure in the storage tank is greater than 12Kpa, the high-pressure gas passes through the pressure-maintaining overflow pipe 6 and the pressure relief pipe 11 in turn. When the air pressure in the storage tank is less than -0.3KPa, a negative pressure is formed inside the storage tank and the water storage tank 1, and the external air enters the water storage tank 1 and the interior of the storage tank through the air intake pipe 10 for supplementary pressure, It is ensured that the internal pressure of the storage tank is maintained within a safe range.

在本实施例中，所述进气管10上部设有过滤网，避免了外部灰尘通过进气管10进入贮水箱1内部。In this embodiment, the upper part of the air intake pipe 10 is provided with a filter screen to prevent external dust from entering the interior of the water storage tank 1 through the air intake pipe 10 .

在本实施例中，所述泄压管11上设有单向阀12，单向阀12避免了溢流箱4内部进入空气影响泄压的精度。In this embodiment, the pressure relief pipe 11 is provided with a one-way valve 12, and the one-way valve 12 prevents the air entering into the overflow tank 4 from affecting the pressure relief accuracy.

在本实施例中，所述保压溢流管6上端内部螺纹连接有伸缩管13，伸缩管13便于调节保压溢流管6上口与贮水箱1底板间的高度，从而调整储罐的补气气压。In this embodiment, a telescopic pipe 13 is threadedly connected to the upper end of the pressure-maintaining overflow pipe 6. The telescopic pipe 13 is convenient for adjusting the height between the upper opening of the pressure-maintaining overflow pipe 6 and the bottom plate of the water storage tank 1, thereby adjusting the height of the storage tank. Air pressure.

在本实施例中，所述伸缩管13上端设有限位环板14，限位环板14限制了伸缩管13向下调节的范围，避免了伸缩管13旋入保压溢流管6内部后难以取出；所述限位环板14两侧设有把手15，把手15便于伸缩管13免工具快速调节。In this embodiment, the upper end of the telescopic tube 13 is provided with a limit ring plate 14 , and the limit ring plate 14 limits the downward adjustment range of the telescopic tube 13 and prevents the expansion tube 13 from being screwed into the pressure-maintaining overflow pipe 6 . It is difficult to take out; the limit ring plate 14 is provided with handles 15 on both sides, and the handles 15 facilitate the rapid adjustment of the telescopic tube 13 without tools.

在本实施例中，所述溢流箱4由透明材料制成，溢流箱4一侧设有刻度线5，便于判断调节板7的位置，从而判断储罐的泄压压力。In this embodiment, the overflow box 4 is made of a transparent material, and a scale line 5 is provided on one side of the overflow box 4, which is convenient for judging the position of the regulating plate 7, thereby judging the pressure relief pressure of the storage tank.

在本实施例中，所述溢流箱4内部设有调节板7，所述保压溢流管6底部安装在调节板7上，且保压溢流管6底部设有若干缺口，所述调节板7下部设有螺杆8，螺杆8与溢流箱4底板螺纹连接，螺杆8下端设有手轮9；根据储罐内部承压能力的大小，转动手轮9调整调整泄压管11与保压溢流管6下口的高度L3，从而调整储罐的泄压压力，扩大了微压保证装置的适用范围。In this embodiment, an adjustment plate 7 is provided inside the overflow box 4, the bottom of the pressure-maintaining overflow pipe 6 is installed on the adjustment plate 7, and the bottom of the pressure-maintaining overflow pipe 6 is provided with a number of gaps. The lower part of the adjusting plate 7 is provided with a screw 8, the screw 8 is threadedly connected to the bottom plate of the overflow box 4, and the lower end of the screw 8 is provided with a hand wheel 9; The height L 3 of the lower port of the pressure-maintaining overflow pipe 6 adjusts the pressure relief pressure of the storage tank and expands the application range of the micro-pressure guarantee device.

在本实施例中，所述进气管10的长度L1大于泄压管11与保压溢流管6底部间的液位高度L3，当储罐内压大于12KPa时，保压溢流管6对外泄压，进气管10内液位静压力大于溢流箱4的泄压压力，避免了流体从进气管10上口排出。In this embodiment, the length L 1 of the intake pipe 10 is greater than the liquid level height L 3 between the pressure relief pipe 11 and the bottom of the pressure maintaining overflow pipe 6 . When the internal pressure of the storage tank is greater than 12KPa, the pressure maintaining overflow pipe 6. For external pressure relief, the static pressure of the liquid level in the intake pipe 10 is greater than the pressure relief pressure of the overflow tank 4, which prevents the fluid from being discharged from the upper port of the intake pipe 10.

在本实施例中，所述溢流箱4的容积VB大于两倍的保压溢流管6内部容积Vb，当储罐压力大于12KPa完成泄压后，储罐内部压力等于0kpa时，保证了保压溢流管6上口与贮水箱1底板间仍然满液；当储罐压力小于-0.3Kpa时，溢流箱4内部进一步向保压溢流管6内注液时，溢流箱4内不会吸空进气，保证了保压装置的精确性。In this embodiment, the volume V B of the overflow tank 4 is greater than twice the internal volume V b of the pressure-preserving overflow pipe 6 . When the pressure of the storage tank is greater than 12 kPa and the pressure relief is completed, when the internal pressure of the storage tank is equal to 0 kPa, It is ensured that the upper port of the pressure-maintaining overflow pipe 6 and the bottom plate of the water storage tank 1 are still full of liquid; when the pressure of the storage tank is less than -0.3Kpa, when the inside of the overflow tank 4 further injects liquid into the pressure-maintaining overflow pipe 6, the overflow occurs. There is no air intake in the box 4, which ensures the accuracy of the pressure maintaining device.

在本实施例中，所述保压溢流管6上口与贮水箱1底板间形成的液封容积Vc大于进气管10的体积Vd，当储罐内压大于12KPa，保压溢流管6对外泄压时，保压溢流管6上口与贮水箱1底板间的流体往进气管10内注液高度为1200mm，注液后液封流体不会被吸空，保证了保压装置的精确性。In this embodiment, the liquid sealing volume Vc formed between the upper opening of the pressure-maintaining overflow pipe 6 and the bottom plate of the water storage tank 1 is greater than the volume Vd of the air inlet pipe 10. When the internal pressure of the storage tank is greater than 12KPa, the pressure-maintaining overflow pipe 6 When the external pressure is released, the fluid between the upper port of the pressure-maintaining overflow pipe 6 and the bottom plate of the water storage tank 1 is injected into the intake pipe 10 at a height of 1200mm. accuracy.

以上内容仅仅是对本发明的结构所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的结构或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。The above content is only an example and description of the structure of the present invention. Those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of the invention. Or beyond the scope defined by the claims, all belong to the protection scope of the present invention.

Claims (10)

1. A micro-pressure retaining device of a large storage tank comprises a water storage tank and an overflow tank, and is characterized in that a water inlet pipe is arranged on one side of the upper portion of the water storage tank, a connecting flange is arranged at the upper end of the water inlet pipe and detachably connected with an overflow pipe of the storage tank, the overflow tank is arranged on the lower portion of the water storage tank, a pressure maintaining overflow pipe is arranged inside the overflow tank, the pressure maintaining overflow pipe penetrates through the water storage tank, an upper opening of the pressure maintaining overflow pipe is higher than a bottom plate of the water storage tank, a liquid seal volume is formed by a space between the upper opening of the pressure maintaining overflow pipe and the bottom of the water storage tank; and an air inlet pipe is arranged on one side of the upper part of the water storage tank, the lower end of the air inlet pipe is lower than the upper opening of the pressure maintaining overflow pipe, and the lower end of the air inlet pipe is not in contact with the bottom plate of the water storage tank.
2. The micropressure holding device for the large-sized storage tank according to claim 1, wherein a filter screen is arranged at the upper part of the air inlet pipe.
3. The micropressure holding device for the large-scale storage tank according to claim 1, wherein a check valve is arranged on the pressure relief pipe.
4. The micropressure holding device for the large-scale storage tank according to claim 1, wherein a telescopic pipe is connected to the inner thread of the upper end of the pressure maintaining overflow pipe.
5. The micropressure holding device for the large-scale storage tank according to claim 4, wherein the upper end of the telescopic pipe is provided with a limit ring plate, and handles are arranged on two sides of the limit ring plate.
6. The micropressure holding device for the large-sized storage tank according to any one of claims 1 to 5, wherein an adjusting plate is arranged inside the overflow tank, the bottom of the pressure maintaining overflow pipe is mounted on the adjusting plate, a plurality of notches are formed in the bottom of the pressure maintaining overflow pipe, a screw is arranged on the lower portion of the adjusting plate, the screw is in threaded connection with the bottom plate of the overflow tank, and a hand wheel is arranged at the lower end of the screw.
7. The micropressure holding device for the large-scale storage tank according to claim 6, wherein the overflow tank is made of transparent material, and one side of the overflow tank is provided with scale marks.
8. The micropressure holding device for large-scale storage tanks, according to claim 1, characterized in that the length L of the air inlet pipe1Is greater than the liquid level L between the pressure relief pipe and the bottom of the pressure maintaining overflow pipe3。
9. The micropressure holding device for large-scale storage tanks according to claim 8, characterized in that the volume V of the overflow tankBInternal volume V of pressure maintaining overflow pipe more than twiceb。
10. The micropressure holding device for large-scale storage tanks according to claim 9, wherein a liquid seal volume Vc formed between the upper opening of the pressure maintaining overflow pipe and the bottom plate of the water storage tank is larger than a volume V of the air inlet piped。
CN202010965929.3A 2020-09-15 2020-09-15 A micro-pressure maintaining device for large storage tanks Active CN111942764B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001166833A (en) * 1999-12-09 2001-06-22 Ishikawajima Harima Heavy Ind Co Ltd Seal pot for fine pressure adjustment
CN2525326Y (en) * 2002-01-15 2002-12-11 梁书苓 Two-way liquid sealed respiring valve
JP2007091234A (en) * 2005-09-27 2007-04-12 Kuraray Chem Corp Liquid sealing apparatus and airtight storage tank system using the same
CN202440026U (en) * 2012-01-21 2012-09-19 浙江卫星石化股份有限公司 Liquid seal breather valve
CN202440025U (en) * 2012-01-21 2012-09-19 浙江卫星石化股份有限公司 Storage tank with hydraulic seal breather valve
CN203500575U (en) * 2013-10-16 2014-03-26 洛阳瑞泽石化工程有限公司 Water seal tank with adjustable liquid seal height
CN103851228A (en) * 2013-10-16 2014-06-11 洛阳瑞泽石化工程有限公司 Water-sealed tank with adjustable liquid sealing height
CN204420217U (en) * 2014-12-26 2015-06-24 中国天辰工程有限公司 A kind of positive/negative-pressure seal water system
CN206103573U (en) * 2016-07-29 2017-04-19 保定市恒宇机械电器制造有限公司 Wet dust collector overflow water level regulating device
CN206897661U (en) * 2017-06-12 2018-01-19 威海尚品机械设备科技有限公司 A kind of metal mine cyclone overflow tunable arrangement
CN209160559U (en) * 2018-11-15 2019-07-26 山东金典化工有限公司 A kind of novel water sealed tank
CN111578141A (en) * 2020-06-19 2020-08-25 江苏永钢集团有限公司 Adjustable micro-pressure water seal device and adjusting method thereof
CN212268440U (en) * 2020-09-15 2021-01-01 山东北辰机电设备股份有限公司 Micropressure holding device for large storage tank

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001166833A (en) * 1999-12-09 2001-06-22 Ishikawajima Harima Heavy Ind Co Ltd Seal pot for fine pressure adjustment
CN2525326Y (en) * 2002-01-15 2002-12-11 梁书苓 Two-way liquid sealed respiring valve
JP2007091234A (en) * 2005-09-27 2007-04-12 Kuraray Chem Corp Liquid sealing apparatus and airtight storage tank system using the same
CN202440026U (en) * 2012-01-21 2012-09-19 浙江卫星石化股份有限公司 Liquid seal breather valve
CN202440025U (en) * 2012-01-21 2012-09-19 浙江卫星石化股份有限公司 Storage tank with hydraulic seal breather valve
CN203500575U (en) * 2013-10-16 2014-03-26 洛阳瑞泽石化工程有限公司 Water seal tank with adjustable liquid seal height
CN103851228A (en) * 2013-10-16 2014-06-11 洛阳瑞泽石化工程有限公司 Water-sealed tank with adjustable liquid sealing height
CN204420217U (en) * 2014-12-26 2015-06-24 中国天辰工程有限公司 A kind of positive/negative-pressure seal water system
CN206103573U (en) * 2016-07-29 2017-04-19 保定市恒宇机械电器制造有限公司 Wet dust collector overflow water level regulating device
CN206897661U (en) * 2017-06-12 2018-01-19 威海尚品机械设备科技有限公司 A kind of metal mine cyclone overflow tunable arrangement
CN209160559U (en) * 2018-11-15 2019-07-26 山东金典化工有限公司 A kind of novel water sealed tank
CN111578141A (en) * 2020-06-19 2020-08-25 江苏永钢集团有限公司 Adjustable micro-pressure water seal device and adjusting method thereof
CN212268440U (en) * 2020-09-15 2021-01-01 山东北辰机电设备股份有限公司 Micropressure holding device for large storage tank

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