CN211520509U - Liquid storage tank and liquid storage equipment - Google Patents

Abstract

The utility model provides a liquid storage pot and stock solution equipment relates to stock solution container technical field. The liquid storage tank comprises a tank body and a partition plate arranged in the tank body, the partition plate divides the inner space of the tank body into a liquid storage chamber and a pump room which are relatively independent, a liquid inlet pipe, a liquid delivery pump and a liquid outlet pipe which are sequentially connected are arranged in the pump room, the liquid inlet end of the liquid inlet pipe penetrates through the partition plate and is communicated with the liquid storage chamber, and the liquid outlet end of the liquid outlet pipe penetrates through the tank body and is communicated with the outside; the side wall of the pump room enclosed by the tank body is provided with an access for operators to pass through. This stock solution equipment includes communicating pipe and a plurality of above-mentioned liquid storage pot, and communicating pipe is including being responsible for the body and all communicate in a plurality of spinal branch bodys of being responsible for the body, and a plurality of spinal branch bodys communicate with the stock solution room one-to-one of a plurality of liquid storage pots. The baffle of this liquid storage pot separates pump room and oil storage room for two independent spaces, on the basis of realizing that crude oil stores and exports, can improve convenience, travelling comfort and the security that operating personnel maintained the transfer pump greatly.

Description

Liquid storage tank and liquid storage equipment

Technical Field

The utility model belongs to the technical field of the stock solution container technique and specifically relates to a liquid storage pot and stock solution equipment are related to.

Background

Generally use the liquid storage pot to store the crude oil of exploitation on the oil field, then pass through the transfer pump suction canning car and transport to the assigned position with the crude oil in the liquid storage pot as required, current transfer pump generally adopts the submerged pump form, submerged pump direct mount is in the liquid storage pot, when the submerged pump breaks down, operating personnel need carry out dismouting maintenance operation to the submerged pump in getting into the liquid storage pot through the manhole at top, the maintenance operation degree of difficulty is big, and be poisonous and harmful place in the liquid storage pot, probably bring the potential safety hazard for operating personnel.

Namely, the infusion pump in the existing liquid storage tank has high maintenance difficulty and may bring potential safety hazards to operators.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid storage pot and stock solution equipment to it is big to alleviate the transfer pump maintenance degree of difficulty among the prior art existing liquid storage pot, and probably brings the technical problem of potential safety hazard for operating personnel.

In a first aspect, an embodiment provides a liquid storage tank, which comprises a tank body and a partition plate arranged inside the tank body, wherein the partition plate divides the inner space of the tank body into a liquid storage chamber and a pump room which are relatively independent, an infusion pump, a liquid inlet pipe and a liquid outlet pipe are arranged in the pump room, the liquid inlet end of the liquid inlet pipe penetrates through the partition plate and is communicated with the liquid storage chamber, the liquid outlet end of the liquid inlet pipe is communicated with the liquid inlet end of the infusion pump, the liquid inlet end of the liquid outlet pipe is communicated with the liquid outlet end of the infusion pump, and the liquid outlet end of the liquid outlet pipe penetrates through the tank body and is communicated with; the side wall of the pump room surrounded by the tank body is provided with an inlet and an outlet for operators to pass through.

In an alternative embodiment, the partition is vertically disposed.

In an alternative embodiment, the partition and the tank are made of steel material, and the partition is welded with the tank.

In an alternative embodiment, the outlet end of the outlet pipe is located in the top region of the pump chamber.

In an alternative embodiment, the access opening is provided with a sealable door that can be opened and closed.

In an optional embodiment, the tank body comprises an inner container and an outer shell covering the inner container, and an insulating layer is filled between the inner container and the outer shell.

In an alternative embodiment, the infusion pump comprises a roots pump.

In a second aspect, an embodiment provides a liquid storage device, which includes a communication pipe and a plurality of liquid storage tanks according to any one of the foregoing embodiments, wherein the communication pipe includes a main pipe and a plurality of branch pipes connected to the main pipe, and the plurality of branch pipes are connected to the liquid storage chambers of the plurality of liquid storage tanks in a one-to-one correspondence manner.

In optional embodiment, the inlet of the stock solution room of liquid storage pot with the pump house is located the both sides that the stock solution room is relative, and is a plurality of the stock solution pot forms places the district, the pump house all faces place the outside in district, the inlet all faces place the inboard in district.

In an optional implementation manner, the number of the liquid storage tanks is four, the liquid outlet end of the liquid outlet pipe of each liquid storage tank is communicated with a liquid discharging pipe, the four liquid storage tanks are arranged in a 2 × 2 rectangular array, the liquid storage chambers of the two liquid storage tanks in the same row are arranged in opposite directions, and the liquid discharging pipes of the two liquid storage tanks in the same row are arranged in a back direction.

The utility model discloses liquid storage pot's beneficial effect includes:

the utility model provides a liquid storage pot carries out the divided baffle including the jar body that provides total accommodation space and being used for jar internal portion accommodation space, and the baffle separates the accommodation space of the jar body for the liquid storage room that is used for storing liquid and the pump house that is used for installing the transfer pump, and the lateral wall of pump house is equipped with the access & exit that supplies operating personnel to pass in and out.

When the liquid storage tank is used for storing crude oil in an oil field, the external oil supply device is communicated with the liquid inlet of the liquid storage chamber to convey oil into the liquid storage chamber, and the crude oil is stored in the liquid storage chamber; when the oil needs to be transported to the canning vehicle, a liquid discharging pipe can be connected to the liquid outlet end of the liquid outlet pipe (when the length of the liquid outlet pipe extending out of the pump room is long, the liquid discharging pipe can also be understood as a part of the liquid outlet pipe), the liquid discharging pipe is communicated with an oil inlet of the canning vehicle, the liquid conveying pump is started, crude oil in the liquid storage chamber is driven by the liquid conveying pump to flow into the liquid inlet pipe, and the crude oil flows through the liquid conveying pump, the liquid outlet pipe and the liquid discharging pipe and then is conveyed into the canning vehicle, so that the storage.

The pump room and the liquid storage chamber are separated into two relatively independent spaces by the partition plate, the infusion pump is installed in the pump room on the basis of crude oil storage and output, and when the infusion pump needs to be maintained, compared with the existing method that an operator needs to enter the oil storage tank through a manhole at the top of the tank body, the infusion pump can be disassembled and maintained by entering the pump room through an access at the side part of the pump room, so that the convenience of maintenance of the infusion pump is greatly improved; in addition, the pump room is as independent installation space, compares the oil storage room, and cleanliness factor and travelling comfort in the pump room are all higher to improve operating personnel's comfort level when maintaining the transfer pump, and reduce the injury that harmful substance caused operating personnel.

Promptly, the baffle of this liquid storage pot separates pump room and oil storage room for two independent spaces, on the basis of realizing that crude oil stores and export, can improve convenience, travelling comfort and the security that operating personnel maintained the transfer pump greatly.

The liquid storage equipment comprises the liquid storage tank and has all the beneficial effects of the liquid storage tank.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a partial top view of a fluid reservoir provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of a partial left side view of a liquid storage tank according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection of a plurality of liquid storage tanks in the liquid storage apparatus according to the embodiment of the present invention.

Icon: 100-tank body; 110-a liquid storage chamber; 111-a liquid inlet; 120-a pump room; 130-a sealing door; 140-inner container; 150-a housing; 160-an insulating layer; 170-a base; 180-lifting lugs; 200-a separator; 300-an infusion pump; 310-a motor; 320-a pump body; 400-liquid inlet pipe; 500-liquid outlet pipe; 600-liquid discharge pipe; 700-a vent; 800-communicating pipe; 810-a primary tube; 820-a branch pipe body; 830-gate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "center", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The embodiment provides a liquid storage tank, as shown in fig. 1 and fig. 2, the liquid storage tank comprises a tank body 100 and a partition plate 200 arranged inside the tank body 100, the partition plate 200 divides the inner space of the tank body 100 into a liquid storage chamber 110 and a pump room 120 which are relatively independent, a liquid delivery pump 300, a liquid inlet pipe 400 and a liquid outlet pipe 500 are arranged in the pump room 120, the liquid inlet end of the liquid inlet pipe 400 penetrates through the partition plate 200 and is communicated with the liquid storage chamber 110, the liquid outlet end of the liquid inlet pipe 400 is communicated with the liquid inlet end of the liquid delivery pump 300, the liquid inlet end of the liquid outlet pipe 500 is communicated with the liquid outlet end of the liquid delivery pump 300, and; the side wall of the pump room 120 enclosed by the tank 100 is provided with an entrance for operators to pass through.

The liquid storage tank provided by the embodiment comprises a tank body 100 providing a total accommodating space and a partition plate 200 for dividing the accommodating space inside the tank body 100, wherein the partition plate 200 divides the accommodating space of the tank body 100 into a liquid storage chamber 110 for storing liquid and a pump room 120 for installing an infusion pump 300, and the side wall of the pump room 120 is provided with an entrance for an operator to enter and exit.

When the liquid storage tank is used for storing crude oil in an oil field, an external oil supply device (which can be an oil well wellhead pipeline) is communicated with the liquid inlet 111 of the liquid storage chamber 110 to convey oil into the liquid storage chamber 110, and the crude oil is stored in the liquid storage chamber 110; when oil needs to be transported to the canning vehicle, the liquid outlet end of the liquid outlet pipe 500 can be connected with the liquid discharging pipe 600 (when the length of the liquid outlet pipe 500 extending out of the pump room 120 is long, the liquid discharging pipe 600 can also be understood as a part of the liquid outlet pipe 500), the liquid discharging pipe 600 is communicated with an oil inlet of the canning vehicle, the liquid conveying pump 300 is started, the liquid conveying pump 300 drives crude oil in the liquid storage chamber 110 to flow into the liquid inlet pipe 400, and the crude oil flows through the liquid conveying pump 300, the liquid outlet pipe 500 and the liquid discharging pipe 600 and then is conveyed into the canning vehicle, so that the storage and the output of.

The pump room 120 and the liquid storage chamber 110 are separated into two relatively independent spaces by the partition plate 200, the infusion pump 300 is installed in the pump room 120 on the basis of crude oil storage and output, and when the infusion pump 300 needs to be maintained, compared with the existing method that an operator needs to enter the oil storage tank through a manhole at the top of the tank body 100, the operator can enter the pump room 120 through an entrance and exit at the side part of the pump room 120 to disassemble, assemble and maintain the infusion pump 300, so that the maintenance convenience of the infusion pump 300 is greatly improved; in addition, as independent installation space, the pump room 120 is higher in cleanliness and comfort compared with an oil storage chamber, so that the comfort of an operator in maintaining the infusion pump 300 is improved, and the harm of harmful substances to the operator is reduced.

That is, the baffle 200 of this liquid storage pot separates pump room 120 and oil storage room into two independent spaces, on the basis of realizing crude oil storage and output, can improve convenience, travelling comfort and the security that operating personnel maintained transfer pump 300 greatly.

Alternatively, in this embodiment, the partition 200 may be vertically disposed. The partition boards 200 are vertically arranged, and accordingly, the side walls of the liquid storage chamber 110 and the pump room 120 are vertical side walls, so that the regularity of the liquid storage chamber 110 and the pump room 120 is improved; in addition, compared with the inclined arrangement of the partition board 200, the vertical arrangement of the partition board 200 can also improve the matching performance of the partition board 200 and the inner wall of the tank body 100, correspondingly improve the connection sealing performance of the partition board 200 and the inner wall of the tank body 100, and ensure the independence of the pump room 120. It should be noted that the vertical arrangement is not limited to the parallel arrangement of the partition board and the vertical line, but also includes the range of the included angle between the partition board and the vertical line being 0-5 °.

In this embodiment, both the partition plate 200 and the tank 100 may be made of steel material, and the partition plate 200 is welded to the tank 100. The partition plate 200 and the tank body 100 are made of a specific material and a specific connection form of the partition plate 200 and the tank body 100, wherein the partition plate 200 is made of a steel plate, the steel plate has good thermal conductivity, crude oil at a certain temperature is input into the liquid storage chamber 110 in a cold area or in winter, and the temperature of the crude oil can be transmitted to the pump room 120 through the partition plate 200, so that the temperature of the pump room 120 is increased to a certain extent, the comfort of operation such as maintenance in the pump room 120 by an operator is improved, and the practicability of the liquid storage tank is further improved. Specifically, the can body 100 and the separator 200 may be made of a steel plate having a thickness of 5 mm.

It should be noted that the partition board 200 may also be made of other heat-conducting boards, such as an iron board; and other sealing and fixing forms can be adopted between the partition board 200 and the tank 100.

Alternatively, in this embodiment, as shown in FIG. 2, the outlet end of outlet pipe 500 may be located in the top region of pump room 120. Because the oil inlet of canning car generally sets up in the top position and has a take the altitude, locate the top region of pump house 120 with the play liquid end of drain pipe 500 to ensure that the play liquid end of drain pipe 500 has a take the altitude, the corresponding height that needs the lift of outside liquid discharge pipe 600 that reduces improves the stability of liquid discharge pipe 600.

Optionally, in this embodiment, as shown in fig. 1, the liquid inlet end of the liquid inlet pipe 400 may be located in the bottom area of the partition board 200, so as to ensure effective transportation of the crude oil in the liquid storage chamber 110 by the liquid delivery pump 300, and reduce or even avoid the occurrence of invalid waste of the storage space in the liquid storage chamber 110 due to the fact that the crude oil below the liquid inlet end in the liquid storage chamber 110 cannot enter the liquid inlet pipe 400 due to a high height of the liquid inlet end.

Alternatively, in this embodiment, a sealing door 130 that can be opened and closed may be provided at the entrance and exit. The arrangement of the sealing door 130 can protect the components such as the infusion pump 300 in the pump room 120, so as to reduce the damage of external personnel or other external factors to the components in the pump room 120; on the other hand, the external environment is relatively cold, and when an operator operates in the pump room 120, the sealing door 130 can also play a role in blocking, so that the heat loss of the pump room is reduced, and the comfort in the pump room 120 is ensured. Specifically, the width of the sealing door 130 may be 1.2m considering the size of the pump room 120 and the infusion pump 300.

Optionally, as shown in fig. 2, a vent 700 may be provided at the top of the pump room 120 to ensure the circulation of air in the pump room 120 and reduce the occurrence of oxygen deficiency for the operator; preferably, a ventilation fan can be installed at the ventilation opening 700, and when necessary, an operator can turn on the ventilation fan to realize gas replacement of the pump room 120 in a short time, so that the use comfort of the pump room 120 is further improved.

Optionally, as shown in fig. 1, in this embodiment, the tank 100 may include an inner container 140 and an outer casing 150 covering the outer portion of the inner container 140, and an insulating layer 160 is filled between the inner container 140 and the outer casing 150. In cold regions or cold winter, the heat-insulating layer 160 can insulate crude oil in the liquid storage chamber 110 to keep the crude oil in fluidity and reduce the condition that the crude oil is solidified and cannot be conveyed; in addition, the heat insulation layer 160 can also play a role in heat insulation of the pump room 120, so as to reduce the heat loss of the pump room 120 and ensure the comfort level of the operating environment of the pump room 120. Specifically, the heat insulating layer 160 may be made of heat insulating materials such as heat insulating rock wool.

Specifically, in the present embodiment, the infusion pump 300 may include a roots pump. The roots pump has the characteristics of low rotating speed, small volume, large flow, small power consumption, high stability, high corrosion resistance, convenience in use, capability of working in a forward and reverse rotation mode and the like, the volume of the pump room 120 can be effectively reduced by using the roots pump in the pump room 120, and the efficiency of conveying viscous crude oil by using the roots pump is high, and the service life is long. Specifically, the roots pump comprises a motor 310 and a pump body 320, wherein the output end of the motor 310 is in transmission connection with the input end of the pump body 320 through a belt transmission component.

In this embodiment, a base 170 may be provided at the bottom of the can 100. On one hand, the base 170 supports the whole tank 100, so that the placing stability of the tank 100 can be effectively ensured, and the situation that the tank 100 is toppled over is reduced; on the other hand, the base 170 can reduce direct contact between the tank 100 and the ground, and accordingly reduce adverse effects such as corrosion of the tank 100 caused by substances existing on the ground, thereby prolonging the service life of the tank 100.

In this embodiment, the lifting lug 180 can be fixedly connected to the base 170, and when the liquid storage tank needs to be moved, the liquid storage tank can be lifted through the lifting lug 180, so that the use convenience of the liquid storage tank is improved.

The embodiment further provides a liquid storage device, which includes a communication pipe 800 and a plurality of liquid storage tanks, wherein the communication pipe 800 includes a main pipe 810 and a plurality of branch pipes 820 both connected to the main pipe 810, and the plurality of branch pipes 820 are connected to the liquid storage chambers 110 of the plurality of liquid storage tanks in a one-to-one correspondence manner. The liquid storage chambers 110 of the plurality of liquid storage tanks form a communicating vessel through the communicating pipe 800, when one liquid storage tank conveys oil to the tank truck, the crude oil liquid level of the liquid storage chamber 110 in the liquid storage tank is reduced, and crude oil in the liquid storage chambers 110 of other liquid storage tanks can flow to the liquid storage chamber 110 through the communicating pipe 800 to supplement the liquid for the liquid storage chamber 110, so that the liquid storage capacity of the liquid storage equipment is greatly increased; in addition, all install on every liquid storage pot and unload liquid pipe 600 and outwards carry oil, the canning car can select the liquid pipe 600 that unloads of suitable position and angle to be its oil transportation according to actual conditions to improve stock solution equipment's use convenience.

Optionally, a gate 830 is disposed on each of the branch pipes 820. The on-off state of the corresponding branch pipe body 820 can be controlled by opening and closing the gate 830, when the liquid storage equipment is used, an operator can control the opening number of the gate 830 according to the amount of crude oil stored as required, if the amount of crude oil is large, all the gates 830 can be opened, and all the liquid storage chambers 110 are communicated to form oil containing chambers with large oil storage amount; when the crude oil amount is small, several gates 830 can be selectively opened, and several corresponding liquid storage chambers 110 are communicated to form oil containing chambers with corresponding oil storage amounts.

Optionally, in this embodiment, the liquid inlet 111 of the liquid storage chamber 110 of the liquid storage tank and the pump room 120 are located at two opposite sides of the liquid storage chamber 110, the plurality of liquid storage tanks form a placement area, the pump room 120 faces the outer side of the placement area, and the liquid inlet 111 faces the inner side of the placement area. The inlet 111 of stock solution room 110 sets up with pump house 120 relatively, then the inboard in district is placed towards to the stock solution room 110 homogeneous phase orientation of a plurality of liquid storages, and a plurality of stock solution room 110 positions are comparatively gathered promptly, and communicating pipe 800 communicates between each stock solution room 110 to shorten the length of communicating pipe 800 and reduce the cross complexity between the body of communicating pipe 800, ensure its intercommunication. Correspondingly, the pump rooms 120 of the liquid storage tanks are arranged outwards, and the liquid outlet pipe 500 and the liquid discharging pipe 600 are correspondingly positioned at the outer side of the placement area, so that the length of the pipe body of the liquid discharging pipe 600 for outward oil transportation is shortened, the oil transportation of the liquid discharging pipe 600 to the tank truck is ensured, and the situation that the liquid discharging pipe 600 is too long and is easy to shift and even topple over is reduced; in addition, a plurality of liquid discharge pipes 600 are towards different position, and the canning car can select suitable parking position as required.

Specifically, as shown in fig. 3, four liquid storage tanks may be provided, the liquid outlet end of the liquid outlet pipe 500 of each liquid storage tank is communicated with a liquid discharging pipe 600, the four liquid storage tanks are arranged in a 2 × 2 rectangular array, the liquid storage chambers 110 of two liquid storage tanks in the same row are oppositely arranged, and the liquid discharging pipes 600 of two liquid storage tanks in the same row are arranged in a back direction. First, a placement area formed by four liquid storage tanks is a rectangle with a regular shape, so that liquid storage equipment can be conveniently arranged. Secondly, with the visual angle of fig. 3 as a reference, the pump rooms 120 of the two liquid storage tanks on the left side are positioned on the left side of the tank body 100, the pump rooms 120 of the two liquid storage tanks on the right side are positioned on the right side of the tank body 100, namely the pump rooms 120 of the four liquid storage tanks are all positioned in the outer area of the placement area, the angles of the liquid discharging pipes 600 on the pump rooms 120 are set, so that the liquid discharging pipes 600 at four different positions all point to the outer side of the placement area, and the loading tank can select the proper liquid discharging pipes 600 to perform oil transportation operation according to actual conditions, so that the use convenience of the oil storage equipment; the stock solution room 110 of four liquid storage tanks all gathers in the central zone of placing the district, and communicating pipe 800 communicates each stock solution room 110 in this region, and the intercommunication operation can be realized to shorter body length, and the branch pipe way of communicating pipe 800 also is regular arranging with the corresponding stock solution room 110 to improve the processing convenience and the accuracy of communicating pipe 800. The arrangement mode of the liquid discharging pipe 600 is only one specific form, and an operator can adjust the installation angle of the liquid discharging pipe 600 according to actual requirements.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. The utility model provides a liquid storage tank, its characterized in that, including a jar body (100) with locate the inside baffle (200) of jar body (100), baffle (200) will the inner space of the jar body (100) is separated for relatively independent stock solution room (110) and pump house (120), install transfer pump (300), feed liquor pipe (400) and drain pipe (500) in the pump house (120), the feed liquor end of feed liquor pipe (400) passes baffle (200) with stock solution room (110) intercommunication, the play liquid end of feed liquor pipe (400) with the feed liquor end intercommunication of transfer pump (300), the feed liquor end of drain pipe (500) with the play liquid end intercommunication of transfer pump (300), the play liquid end of drain pipe (500) passes jar body (100) and outside intercommunication; the side wall of the pump room (120) enclosed by the tank body (100) is provided with an access for operators to pass through.

2. The fluid reservoir of claim 1, wherein said partition (200) is vertically disposed.

3. The fluid storage tank as set forth in claim 1, characterized in that said partition (200) and said tank (100) are both made of steel material, and said partition (200) is welded to said tank (100).

4. The fluid reservoir of claim 1, wherein the outlet end of the outlet tube (500) is located at a top region of the pump chamber (120).

5. Liquid storage tank as claimed in any of claims 1-4, characterized in that said access opening is provided with a sealable door (130) which can be opened and closed.

6. The fluid reservoir tank as set forth in any one of claims 1-4, wherein said tank body (100) comprises an inner container (140) and an outer shell (150) covering said inner container (140), and an insulating layer (160) is filled between said inner container (140) and said outer shell (150).

7. The fluid reservoir as defined in any one of claims 1-4, wherein said infusion pump (300) comprises a roots pump.

8. A liquid storage device, comprising a communication pipe (800) and a plurality of liquid storage tanks according to any one of claims 1 to 7, wherein the communication pipe (800) comprises a main pipe body (810) and a plurality of branch pipe bodies (820) which are all communicated with the main pipe body (810), and the plurality of branch pipe bodies (820) are communicated with the liquid storage chambers (110) of the plurality of liquid storage tanks in a one-to-one correspondence manner.

9. The liquid storage device according to claim 8, wherein the liquid inlet (111) of the liquid storage chamber (110) of the liquid storage tank and the pump room (120) are located on two opposite sides of the liquid storage chamber (110), the plurality of liquid storage tanks form a placement area, the pump rooms (120) face the outer side of the placement area, and the liquid inlet (111) faces the inner side of the placement area.

10. The liquid storage device of claim 8, wherein the number of the liquid storage tanks is four, the liquid outlet end of the liquid outlet pipe (500) of each liquid storage tank is communicated with a liquid discharge pipe (600), the four liquid storage tanks are arranged in a 2 x 2 rectangular array, the liquid storage chambers (110) of two liquid storage tanks in the same row are arranged oppositely, and the liquid discharge pipes (600) of two liquid storage tanks in the same row are arranged oppositely.

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