阅读说明：本技术 一种罐箱式lng储气调峰装置 (Tank type LNG gas storage peak regulation device ) 是由 黄锋 李怀兵 丁铁强 姚志强 魏凯 羊浩 陶晓伟 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种罐箱式LNG储气调峰装置,其特征在于：包括若干层叠堆码排列在一起的罐箱,相邻罐箱之间可拆卸地固定连接在一起,每个罐箱由标准集装箱框架、以及固定安装于标准集装箱框架内的低温液体贮罐组成,各罐箱中的低温液体贮罐的气相口分别通过气相阀门管组与气相汇流管相连通；各罐箱中的低温液体贮罐的进液口分别通过进液阀门管组与进液汇流管相连通,各罐箱中的低温液体贮罐的出液口分别通过出液阀门管组与出液汇流管相连通。本发明的优点是：现场组装及拆卸方便,提高了组装效率高,降低了工人劳动强度,并且现场组装不涉及任何动火作业,使用安全性高,对环境无污染。(The invention discloses a tank type LNG gas storage peak regulation device, which is characterized in that: the system comprises a plurality of tank boxes stacked and arranged together, wherein adjacent tank boxes are detachably and fixedly connected together, each tank box consists of a standard container frame and a low-temperature liquid storage tank fixedly arranged in the standard container frame, and a gas phase port of the low-temperature liquid storage tank in each tank box is respectively communicated with a gas phase collecting pipe through a gas phase valve pipe group; the liquid inlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid inlet collecting pipe through a liquid inlet valve pipe group, and the liquid outlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid outlet collecting pipe through a liquid outlet valve pipe group. The invention has the advantages that: the field assembly and disassembly are convenient, the assembly efficiency is improved, the labor intensity of workers is reduced, the field assembly does not involve any firing operation, the use safety is high, and the environment is not polluted.)

1. The utility model provides a tank box formula LNG gas storage peak regulation device which characterized in that: the system comprises a plurality of tank boxes stacked and arranged together, wherein adjacent tank boxes are detachably and fixedly connected together, each tank box consists of a standard container frame and a low-temperature liquid storage tank fixedly arranged in the standard container frame, and a gas phase port of the low-temperature liquid storage tank in each tank box is respectively communicated with a gas phase collecting pipe through a gas phase valve pipe group; the liquid inlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid inlet collecting pipe through a liquid inlet valve pipe group, and the liquid outlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid outlet collecting pipe through a liquid outlet valve pipe group.

2. The tank type LNG gas storage and peak regulation device of claim 1, wherein: adjacent tank boxes are fixedly connected together in a detachable mode through a plurality of locking bolts.

3. The tank type LNG gas storage and peak regulation device of claim 1, wherein: and a temperature sensor, a temperature transmitter, a differential pressure transmitter, a pressure display instrument and a liquid level display instrument are arranged on the low-temperature liquid storage tank of each tank box.

4. The tank type LNG gas storage and peak regulation device of claim 3, wherein: the gas phase port, the liquid inlet, the liquid outlet, each gas phase valve pipe group, each liquid inlet valve pipe group, each liquid outlet valve pipe group, the temperature sensor, the temperature transmitter, the differential pressure transmitter, the pressure display instrument and the liquid level display instrument on the low-temperature liquid storage tank in each tank box are all positioned on the same side.

5. The tank type LNG gas storage and peak regulation device of claim 4, wherein: a steel structure maintenance platform stretching across the layer of tank left and right is arranged on one side of each layer of tank connected with the valve pipe group, and the steel structure maintenance platform is connected and fixed with a standard container frame of the layer of tank through a plurality of locking bolts; be provided with the cat ladder that is convenient for the staff to climb to another floor steel construction maintenance platform from one deck steel construction maintenance platform between two adjacent steel construction maintenance platforms from top to bottom, the cat ladder is connected fixedly through a plurality of locking bolt and the standard container frame that corresponds the tank.

6. The tank type LNG storage and peak regulation device of claim 1, 2, 3, 4 or 5, wherein: the gas phase valve pipe group is a connecting pipe with a valve and used for communicating a gas phase port of the low-temperature liquid storage tank with the gas phase collecting pipe.

7. The tank type LNG storage and peak regulation device of claim 1, 2, 3, 4 or 5, wherein: the liquid inlet valve pipe group is a connecting pipe with a valve for communicating the liquid inlet of the low-temperature liquid storage tank with the liquid inlet collecting pipe.

8. The tank type LNG storage and peak regulation device of claim 1, 2, 3, 4 or 5, wherein: the liquid outlet valve pipe group is a connecting pipe with a valve and used for communicating a liquid outlet of the low-temperature liquid storage tank with the liquid outlet collecting pipe.

Technical Field

The invention relates to the technical field of LNG low-temperature storage equipment, in particular to a tank type LNG gas storage peak regulation device.

Background

The gas storage and peak regulation system is a matched system which is necessary to adapt to the time imbalance of gas consumption of users and ensure stable gas supply, the LNG gas storage and peak regulation device is a main part of the gas storage and peak regulation system and is mainly used for storing LNG, and the volume of the LNG stored by the LNG gas storage and peak regulation device is generally 5000-100000 cubic meters. The LNG gas storage peak regulation device who uses at present is the big storage tank of tube-shape, and its structure includes: the bottom plate is formed by assembling and welding a plurality of flat steel plates, the barrel is formed by assembling and welding a plurality of arc-shaped steel plates, and the conical top cover is formed by assembling and welding a plurality of arc-shaped steel plates. The LNG gas storage peak regulation device has the following defects: the prefabricated arc-shaped steel plate and the prefabricated flat steel plate are welded and assembled on site manually, so that the installation is extremely inconvenient, the labor intensity of workers is high, and the installation efficiency is low.

The cryogenic liquid storage tank is a gas storage container for storing LNG, and has the advantages of convenient movement and installation; the structure of the device mainly comprises a tank body, and a gas phase port, a liquid inlet and a liquid outlet which are arranged on the tank body. Accordingly, the applicant has invented a device capable of applying a cryogenic liquid storage tank to gas storage peak shaving.

Disclosure of Invention

The invention aims to provide a tank type LNG storage and peak regulation device convenient to assemble on site.

In order to achieve the purpose, the invention adopts the following technical scheme: a tank type LNG gas storage peak regulation device comprises a plurality of tank boxes stacked and arranged together, wherein adjacent tank boxes are detachably and fixedly connected together, each tank box consists of a standard container frame and a low-temperature liquid storage tank fixedly arranged in the standard container frame, and a gas phase port of the low-temperature liquid storage tank in each tank box is respectively communicated with a gas phase collecting pipe through a gas phase valve pipe group; the liquid inlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid inlet collecting pipe through a liquid inlet valve pipe group, and the liquid outlets of the low-temperature liquid storage tanks in the tank boxes are respectively communicated with a liquid outlet collecting pipe through a liquid outlet valve pipe group.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: adjacent tank boxes are fixedly connected together in a detachable mode through a plurality of locking bolts.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: and a temperature sensor, a temperature transmitter, a differential pressure transmitter, a pressure display instrument and a liquid level display instrument are arranged on the low-temperature liquid storage tank of each tank box.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: the gas phase port, the liquid inlet, the liquid outlet, each gas phase valve pipe group, each liquid inlet valve pipe group, each liquid outlet valve pipe group, the temperature sensor, the temperature transmitter, the differential pressure transmitter, the pressure display instrument and the liquid level display instrument on the low-temperature liquid storage tank in each tank box are all positioned on the same side.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: a steel structure maintenance platform stretching across the layer of tank left and right is arranged on one side of each layer of tank connected with the valve pipe group, and the steel structure maintenance platform is connected and fixed with a standard container frame of the layer of tank through a plurality of locking bolts; be provided with the cat ladder that is convenient for the staff to climb to another floor steel construction maintenance platform from one deck steel construction maintenance platform between two adjacent steel construction maintenance platforms from top to bottom, the cat ladder is connected fixedly through a plurality of locking bolt and the standard container frame that corresponds the tank.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: the gas phase valve pipe group is a connecting pipe with a valve and used for communicating a gas phase port of the low-temperature liquid storage tank with the gas phase collecting pipe.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: the liquid inlet valve pipe group is a connecting pipe with a valve for communicating the liquid inlet of the low-temperature liquid storage tank with the liquid inlet collecting pipe.

Further, aforementioned tank formula LNG gas storage peak regulation device, wherein: the liquid outlet valve pipe group is a connecting pipe with a valve and used for communicating a liquid outlet of the low-temperature liquid storage tank with the liquid outlet collecting pipe.

Through the implementation of the technical scheme, the invention has the beneficial effects that: (1) the field assembly and disassembly are convenient, the assembly efficiency is improved, and the labor intensity of workers is reduced; (2) the field assembly does not involve any firing operation, the use safety is high, and the environment is not polluted; (3) compact structure, small floor area, flexible reserve volume and reasonable planning of the number of the tanks according to the reserve peak regulation scale.

Drawings

Fig. 1 is a schematic structural diagram of a tank-type LNG storage and peak regulation device according to the present invention.

Fig. 2 is a schematic structural view in a top view of fig. 1.

Fig. 3 is a schematic structural view of the steel structure maintenance platform and the ladder hidden in fig. 2.

Fig. 4 is a schematic structural view in the right-hand direction of fig. 1.

Fig. 5 is a schematic structural view of a single tank with the steel structure platform and the ladder hidden in fig. 4.

Fig. 6 is a schematic perspective view of fig. 1.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

As shown in fig. 1, 2, 3, 4, 5, and 6, the tank type LNG storage and peak shaving apparatus includes a plurality of stacked tanks 1, wherein adjacent tanks are detachably and fixedly connected together by means of locking bolts 2, each tank 1 is composed of a standard container frame 11 formed by surrounding bottom beams, vertical columns, and top beams, and a cryogenic liquid storage tank 12 welded and fixedly installed in the standard container frame 11, gas ports of the cryogenic liquid storage tanks 12 in each tank 1 are respectively communicated with a gas phase manifold 4 by means of a gas phase valve pipe group 3, and the gas phase valve pipe group 3 is a connecting pipe with a valve for communicating the gas ports of the cryogenic liquid storage tanks 12 with the gas phase manifold 4; the liquid inlet of the low-temperature liquid storage tank 12 in each tank 1 is respectively communicated with a liquid inlet valve pipe group 5 and a liquid inlet collecting pipe 6, and the liquid inlet valve pipe group 5 is a connecting pipe with a valve for communicating the liquid inlet of the low-temperature liquid storage tank 12 with the liquid inlet collecting pipe 6; the liquid outlets of the low-temperature liquid storage tanks 12 in each tank 1 are respectively communicated with a liquid outlet collecting pipe 8 through a liquid outlet valve pipe group 7, and the liquid outlet valve pipe group 7 is a connecting pipe with a valve for communicating the liquid outlets of the low-temperature liquid storage tanks 12 with the liquid outlet collecting pipe 8;

in this embodiment, a temperature sensor, a temperature transmitter, a differential pressure transmitter, a pressure display instrument, and a liquid level display instrument are disposed on the low-temperature liquid storage tank of each tank; the gas phase port, the liquid inlet, the liquid outlet, each gas phase valve pipe group, each liquid inlet valve pipe group, each liquid outlet valve pipe group, the temperature sensor, the temperature transmitter, the differential pressure transmitter, the pressure display instrument and the liquid level display instrument on the low-temperature liquid storage tank in each tank box are all positioned on the same side, so that the management and the operation are convenient;

in this embodiment, a steel structure maintenance platform 9 stretching across the tank on the left and right sides is arranged on one side of each layer of tank, the steel structure maintenance platform 9 is positioned on the same side with each gas phase valve pipe group 3, each liquid inlet valve pipe group 5 and each liquid outlet valve pipe group 7, and the steel structure maintenance platform 9 is connected and fixed with a standard container frame of the layer of tank through a plurality of locking bolts; the ladder stand 10 which is convenient for workers to climb from one layer of steel structure overhaul platform to the other layer of steel structure overhaul platform is arranged between the two steel structure overhaul platforms 9 which are adjacent up and down, the ladder stand 10 is connected and fixed with the standard container frame of the corresponding tank box through a plurality of locking bolts, the steel structure overhaul platforms which are transversely arranged and the ladder stands which are longitudinally arranged can increase the connection stability of the whole equipment, improve the use safety, facilitate the workers to install and overhaul each tank box, and simultaneously, as the steel structure platforms and the ladder stands are connected by using bolts, the movable fire operation such as welding and the like is not involved, thus further improving the use safety;

during installation, firstly, calculating the number of required tanks according to the volume of LNG to be stored, then stacking and arranging the prefabricated tanks together on a construction site, fixedly connecting the tanks 1 together through locking bolts 2, then respectively communicating gas phase ports of low-temperature liquid storage tanks 12 in the tanks 1 with a gas phase collecting pipe 4 through a gas phase valve pipe group 3, respectively communicating liquid inlet ports of the low-temperature liquid storage tanks 12 in the tanks 1 with a liquid inlet collecting pipe 6 through a liquid inlet valve pipe group 5, and respectively communicating liquid outlet ports of the low-temperature liquid storage tanks 12 in the tanks 1 with a liquid outlet collecting pipe 8 through a liquid outlet valve pipe group 7; then arranging a steel structure maintenance platform 9 which transversely spans the layer of tank left and right on one side of each layer of tank connected with the valve pipe group, wherein the steel structure maintenance platform 9 is fixedly connected with a standard container frame of the layer of tank through a plurality of locking bolts; and be provided with the cat ladder 10 that is convenient for the staff to climb to another floor steel construction maintenance platform from one floor steel construction maintenance platform between two adjacent steel construction maintenance platforms 9 from top to bottom, cat ladder 10 is also connected fixedly through a plurality of locking bolt and the standard container frame that corresponds the tank case to accomplish the equipment of gas storage peak regulation device.

The invention has the advantages that: (1) the field assembly and disassembly are convenient, the assembly efficiency is improved, and the labor intensity of workers is reduced; (2) the field assembly does not involve any firing operation, the use safety is high, and the environment is not polluted; (3) compact structure, small floor area, flexible reserve volume and reasonable planning of the number of the tanks according to the reserve peak regulation scale.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made in accordance with the technical spirit of the present invention are within the scope of the present invention as claimed.