CN213085467U - Liquid filling equipment - Google Patents
Liquid filling equipment Download PDFInfo
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- CN213085467U CN213085467U CN202021313801.0U CN202021313801U CN213085467U CN 213085467 U CN213085467 U CN 213085467U CN 202021313801 U CN202021313801 U CN 202021313801U CN 213085467 U CN213085467 U CN 213085467U
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Abstract
The utility model relates to a liquid filling equipment. The liquid filling equipment comprises a first liquid storage container and a second liquid storage container, wherein both a first liquid filling pipeline and a second liquid filling pipeline are provided with liquid filling ports, a first liquid filling cut-off valve is connected in series on the first liquid filling pipeline, and a second liquid filling cut-off valve is connected in series on the second liquid filling pipeline; liquid filling equipment includes gas injection pipeline, evacuation pipeline, first vacuum shut-off valve, second vacuum shut-off valve, first gas injection shut-off valve, second gas injection shut-off valve, the utility model discloses a liquid filling equipment can be simultaneously to two liquid feeding chamber filling operations through setting up first liquid injection pipeline and second liquid injection pipeline, also can select the quantity of liquid injection pipeline according to actual needs. The first liquid storage container and the second liquid storage container can be suitable for two kinds of liquid, one-time filling operation can be carried out when the double-liquid-cavity storage box is filled, and the technical problem that the operation is complex and the filling efficiency is low when the existing filling equipment is used for filling the double-liquid-cavity storage box is solved.
Description
Technical Field
The utility model relates to a liquid filling equipment.
Background
At present, when liquid media such as liquid fuel or water and the like are filled into equipment, a special filling system is mostly adopted for filling so as to avoid liquid leakage. For example, chinese patent application publication No. CN109708896A and application publication No. 2019.05.03 disclose a quantitative filling device for attitude control power system, the filling device includes a filling console, a vacuum pumping system, a filling container, an electronic scale, a warm-pressure system and a filling pipeline, one end of a delivery pipe of the filling pipeline is connected to a storage tank, and the other end is connected to a metal hose. Before filling, the filling device is arranged near the attitude control power system, the filling container and the temperature and pressure gas cylinder are arranged on the electronic scale, the filling connecting device is in butt joint with the storage tank interface of the attitude control power system, and the filling container, the filling control console and the filling connecting device are connected through a filling pipeline. Firstly, vacuumizing a storage tank of an attitude control power system, then filling propellant by adopting a filling mode combining negative pressure filling and positive pressure filling, wherein in the filling process, the propellant flows to the storage tank under the action of the pressure difference between a filling container and the storage tank, and when the filling amount meets the filling requirement, a valve on a filling pipeline is closed, so that filling is completed.
At present, a storage tank of part of equipment is provided with two liquid cavities, different liquids need to be filled, two sets of quantitative filling devices are generally needed to be arranged, and filling operation is carried out on the two liquid cavities twice, so that the technical problems of complex filling operation and low filling efficiency are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid filling equipment for solve the complicated filling inefficiency technical problem of operation that exists when present filling equipment is used for filling two liquid chamber storage tanks.
The utility model discloses a liquid filling equipment adopts following technical scheme:
the liquid filling apparatus includes:
a first liquid storage container connected with a first liquid injection pipeline,
a second liquid storage container connected with a second liquid injection pipeline,
the first liquid injection pipeline and the second liquid injection pipeline are both provided with liquid injection ports, and the liquid injection ports are used for injecting liquid into the cavity to be injected;
a first liquid injection cut-off valve for controlling the on-off of the first liquid injection pipeline is connected in series with the first liquid injection pipeline, and a second liquid injection cut-off valve for controlling the on-off of the second liquid injection pipeline is connected in series with the second liquid injection pipeline;
the gas injection pipeline is used for injecting gas into the first liquid storage container and the second liquid storage container to extrude liquid in the liquid storage containers;
the vacuumizing pipeline is used for vacuumizing the first liquid injection pipeline, the second liquid injection pipeline and the cavity to be injected with liquid;
the first vacuum block valve is used for controlling the connection and disconnection between the first liquid injection pipeline and the vacuum pumping pipeline;
the second vacuum block valve is used for controlling the connection and disconnection between the second liquid injection pipeline and the vacuumizing pipeline;
the first gas injection cut-off valve is used for controlling the connection and disconnection between the gas injection pipeline and the first liquid storage container;
and the second gas injection cut-off valve is used for controlling the connection and disconnection between the gas injection pipeline and the second liquid storage container.
Has the advantages that: the utility model discloses a liquid filling equipment can wait to annotate liquid cavity filling operation to two simultaneously through setting up first notes liquid pipeline and second notes liquid pipeline, because first notes liquid pipeline and second are annotated and are provided with on the liquid pipeline and annotate liquid shutoff valve, can select to wait to annotate the liquid pipeline work of liquid cavity quantity unanimity according to actual needs. The first liquid storage container and the second liquid storage container can be suitable for two kinds of liquid, are suitable for different liquid filling, can be used for filling once when the double-liquid-cavity storage box is filled, simplifies the filling operation steps, improves the filling efficiency, and solves the technical problem that the existing filling equipment is complex in operation and low in filling efficiency when used for filling the double-liquid-cavity storage box.
Furthermore, a bridging pipeline is connected between the first liquid injection pipeline and the second liquid injection pipeline, the bridging pipeline is communicated with the first liquid injection pipeline and the second liquid injection pipeline, the vacuumizing pipeline is communicated with the first liquid injection pipeline through the bridging pipeline, and the second vacuum block valve is arranged on the bridging pipeline and used for controlling the connection and disconnection of the bridging pipeline.
Has the advantages that: the piping of the apparatus is simplified by bridging the pipes.
Furthermore, liquid filling equipment is including inhaling empty container, inhales empty container and is used for taking out the liquid in first notes liquid pipeline and the second notes liquid pipeline after annotating the liquid and finish, inhales empty container and communicates with each other through bridging pipeline and first notes liquid pipeline or second notes liquid pipeline.
Has the advantages that: the suction container can suck the liquid medium of the filling pipeline, so that the workload of removing the filling pipeline is reduced, the filling pipeline is rapidly removed, and the corrosion of the liquid to the pipeline is reduced. Connecting the evacuation vessel by a bridge line further simplifies the piping of the apparatus.
Furthermore, the liquid filling device comprises an emptying container, the emptying container is used for pumping out liquid in the first liquid injection pipeline and the second liquid injection pipeline after liquid injection is finished, a first emptying block valve is arranged between the emptying container and the first liquid injection pipeline, a second emptying block valve is arranged between the emptying container and the second liquid injection pipeline, the first emptying block valve controls the connection and disconnection between the first liquid injection pipeline and the emptying container, and the second emptying block valve controls the connection and disconnection between the second liquid injection pipeline and the emptying container.
Has the advantages that: the suction container can suck the liquid medium of the filling pipeline, so that the workload of removing the filling pipeline is reduced, the filling pipeline is rapidly removed, and the corrosion of the liquid to the pipeline is reduced.
Furthermore, first notes liquid pipeline is connected in the bottom of first stock solution container, and adjacent with first stock solution container on first notes liquid pipeline the height of first notes liquid block valve is not higher than the height of first stock solution container, the bottom at second stock solution container is connected to the second notes liquid pipeline, and adjacent with second stock solution container on the second notes liquid pipeline the height of second notes liquid block valve is not higher than the height of second stock solution container.
Has the advantages that: the pipeline between the first liquid storage tank and the first liquid injection cut-off valve and the pipeline between the second liquid storage tank and the second liquid injection cut-off valve are reduced as much as possible, and the influence of air in the pipelines on the vacuum degree in the liquid injection pipeline is reduced.
Furthermore, a purification exhaust branch is arranged on the gas injection pipeline and used for guiding the discharged gas to the purification device.
Has the advantages that: the treatment of tail gas is realized, and air pollution is prevented.
Further, the liquid filling equipment comprises a filling vehicle, the first liquid filling pipeline comprises a first filling vehicle liquid filling pipeline positioned on the filling vehicle and a first liquid storage pipeline connecting the filling vehicle and a first liquid storage container, and the first liquid storage pipeline and the first filling vehicle liquid filling pipeline are detachably fixed; the second liquid injection pipeline comprises a second filling vehicle liquid injection pipeline on the filling vehicle and a second liquid storage pipeline connecting the filling vehicle and a second liquid storage container, and the second liquid storage pipeline and the second filling vehicle liquid injection pipeline are detachably fixed.
Has the advantages that: the filling vehicle is convenient for filling operation, and the sectional type pipeline is convenient for the folding and unfolding of the pipeline.
Further, the liquid filling device comprises a first weighing device and a second weighing device, wherein the first weighing device is used for weighing the first liquid storage container, and the second weighing device is used for weighing the second liquid storage container.
Has the advantages that: the total filling amount and the residual content of the liquid can be known in real time, and accurate filling is realized.
Drawings
Fig. 1 is a schematic structural view of a liquid filling apparatus according to embodiment 1 of the present invention;
in the figure: 1-a first liquid storage tank; 2-a second liquid storage tank; 3-a first liquid injection pipeline; 31-a first filling vehicle liquid filling pipeline; 32-a first reservoir line; 4-a second liquid injection pipeline; 41-a liquid injection pipeline of a second filling vehicle; 42-a second reservoir line; 5-a filling service valve; 6-filling a vehicle; 7-vacuum pumping pipeline; 71-vacuum pipeline of the filling vehicle; 72-vacuum device connecting pipeline; 8-a bridge line; 9-a vacuum-pumping device; 10-suction of the empty can; 11-gas injection pipeline; 111-main gas injection path; 112-gas injection branch; 113-a purge line; 12-a gas cylinder; 13-cylinder valve; 14-a blow-off air gun; 15-a neutralization bucket; 16-a first electronic scale; 17-a second electronic scale; 18-liquid injection cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the 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 embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses liquid filling equipment's embodiment 1: as shown in fig. 1, the liquid filling apparatus includes a first liquid storage tank 1 and a second liquid storage tank 2, the first liquid storage tank 1 is connected with a first liquid injection pipeline 3, a first liquid injection cut-off valve is connected in series on the first liquid injection pipeline 3, the first liquid injection cut-off valve is provided in three numbers, namely a first liquid injection cut-off valve K6, a first liquid injection cut-off valve K7 and a first liquid injection cut-off valve K8, the three first liquid injection cut-off valves can cut off the first liquid injection pipeline 3, a second liquid injection cut-off valve is connected in series on the second liquid injection pipeline 4, the second liquid injection cut-off valve is provided in three numbers, namely a second liquid injection cut-off valve K15, a second liquid injection cut-off valve K16 and a second liquid injection cut-off valve K12, and the three second cut-off valves can cut off the second liquid injection pipeline 4. In this embodiment, the first liquid storage tank 1 constitutes a first liquid storage container, and the second liquid storage tank 2 constitutes a second liquid storage container.
As shown in fig. 1, the first liquid injection pipeline 3 is connected to the bottom of the first liquid storage tank 1, the first liquid injection cut-off valve K7 is disposed on one side of the first liquid storage tank 1, and the height of the first liquid injection cut-off valve K7 is smaller than the height of the first liquid storage tank 1, so that the pipeline between the first liquid storage tank 1 and the first liquid injection cut-off valve K7 is as small as possible, when in actual use, the height of the first liquid injection cut-off valve K7 in this embodiment is smaller than the liquid level height of the first liquid injection tank, so that the pipeline between the first liquid injection tank and the first liquid injection cut-off valve K7 is always in a liquid state, and it is avoided that air in the pipeline between the first liquid injection cut-off valve K7 affects the vacuum degree in the pipeline after the first liquid injection cut-off valve K7 is opened by vacuum pumping. The liquid injection port C7 of the first liquid injection pipeline 3 is used for injecting liquid into the cavity 18 to be injected into the storage tank, and the liquid injection port C7 is used for connecting the filling service valve 5 and injecting liquid into the cavity 18 to be injected into the storage tank through the filling service valve 5. In other embodiments, the height of the first liquid filling and stopping valve K7 may be equal to the height of the first liquid filling tank, and of course, when the requirement on the vacuum degree is not high, the height of the first liquid filling and stopping valve K7 may also be higher than the height of the first liquid filling tank.
The second liquid injection pipeline 4 is similar to the first liquid injection pipeline 3 in structure, the second liquid injection pipeline 4 is connected to the bottom of the second liquid storage tank 2, the second liquid injection cut-off valve K15 is arranged on one side of the second liquid storage tank 2, and the height of the second liquid injection cut-off valve K15 is smaller than that of the second liquid storage tank 2, so that a pipeline between the second liquid storage tank 2 and the second liquid injection cut-off valve K15 is as small as possible, during actual use, the height of the second liquid injection cut-off valve K15 in the embodiment is smaller than the liquid level height in the second liquid injection tank, and the pipeline between the second liquid injection tank and the second liquid injection cut-off valve K15 is always in a liquid state. The liquid injection port C6 of the second liquid injection pipeline 4 is used for injecting liquid into the cavity to be injected into the storage tank, the liquid injection port C6 is used for connecting the filling service valve 5, and the liquid is injected into the cavity 18 to be injected into the storage tank through the filling service valve 5. In other embodiments, the height of the second liquid filling and stopping valve K15 may be equal to the height of the second liquid filling tank, and of course, when the requirement on the vacuum degree is not high, the height of the second liquid filling and stopping valve K15 may also be higher than the height of the second liquid filling tank.
In this embodiment, the liquid filling apparatus includes a filling vehicle 6, the first filling pipe 3 and the second filling pipe 4 both include two parts, the first filling pipe 3 includes a first filling vehicle filling pipe 31 located on the filling vehicle 6, and a first storage pipe 32 connecting the first filling vehicle filling pipe 31 and the first liquid storage tank 1, and the first storage pipe 32 is detachably and fixedly connected with the first filling vehicle filling pipe 31. The first filling vehicle filling pipeline 31 is connected with the first liquid storage pipeline 32 through a filling pipeline interface C3, and the filling port C7 is arranged on the first filling vehicle filling pipeline 31.
The second filling pipeline 4 comprises a second filling vehicle filling pipeline 41 positioned on the filling vehicle 6 and a second liquid storage pipeline 42 connecting the second filling vehicle filling pipeline 41 and the second liquid storage tank 2, and the second liquid storage pipeline 42 and the second filling vehicle filling pipeline 41 are detachably fixed. The liquid injection pipeline is divided into two parts, so that the liquid injection pipeline is convenient to recycle. The second filling vehicle filling pipe 41 is connected with the first liquid storage pipe 32 through a filling pipe joint C5, and the filling port C6 is arranged on the second filling vehicle filling pipe 41.
In this embodiment, the liquid filling apparatus further includes a vacuum pumping device 9, the vacuum pumping device 9 is connected to a vacuum pumping pipeline 7, the vacuum pumping pipeline 7 is used for vacuum pumping of the first liquid filling pipeline 3, the second liquid filling pipeline 4 and the liquid cavity 18 to be filled, the vacuum pumping pipeline 7 is provided with two first vacuum block valves, the two first vacuum block valves are respectively a first vacuum block valve K9 and a first vacuum block valve K10, a bridging pipeline 8 is connected between the first liquid filling pipeline 3 and the second liquid filling pipeline 4, the bridging pipeline 8 is provided with a second vacuum block valve K11, and the second vacuum block valve K11 is used for controlling on-off of the second liquid filling pipeline 4 and the vacuum pumping pipeline 7.
In this embodiment, the evacuation line 7 includes an evacuation line 71 of the filling vehicle 6 and a vacuum device connecting line 72 connected to the evacuation device 9, the evacuation device 9 is a vacuum pump set, and a vacuum line port C8 of the evacuation line 71 of the filling vehicle is connected to the vacuum device connecting line 72.
The liquid filling equipment further comprises an air suction tank 10, and the air suction tank 10 is used for pumping out liquid in the first liquid injection pipeline 3 and the second liquid injection pipeline 4, so that the pipeline retraction and release operation is facilitated, and meanwhile, the corrosion of the liquid to the pipeline can be avoided. As shown in fig. 1, two suction cutoff valves are provided between the suction tank 10 and the second liquid injection line 4, the two suction cutoff valves are a suction cutoff valve K13 and a suction cutoff valve K14, respectively, and the two suction cutoff valves can improve the safety level and can function when one suction cutoff valve fails. The suction tank 10 is communicated with the first liquid injection pipeline 3 through a bridging pipeline 8, and the on-off between the suction tank and the first liquid injection pipeline is controlled through a second vacuum block valve K11.
In this embodiment, the first liquid injection line 3 is provided with two filters, namely a filter G2 and a filter G3, the first liquid injection cut-off valve K8 is arranged between the filter G2 and the filter G3, and the interface between the first liquid injection line 3 and the vacuum line 7 and the interface between the first liquid injection line 3 and the bridge line 8 are also between the filter G2 and the filter G3. Two filters, namely a filter G4 and a filter G5, are arranged on the second liquid injection pipeline 4, a first liquid injection cut-off valve K8 is arranged between the filter G2 and the filter G3, and the interface of the first liquid injection pipeline 3 and the vacuumizing pipeline 7 and the interface of the first liquid injection pipeline 3 and the bridging pipeline 8 are also arranged between the filter G2 and the filter G3.
The liquid filling device comprises an air injection pipeline 11, wherein a filter G1 and a one-way valve D1 are further arranged on the air injection pipeline 11, and the air injection pipeline 11 is used for injecting air into the first liquid storage tank 1 and the second liquid storage tank 2 to extrude liquid. The gas injection pipeline 11 comprises a gas injection main pipeline 111 and a gas injection branch pipeline 112, the gas injection branch pipeline 112 is connected to the downstream of the gas injection main pipeline 111, in the embodiment, two gas injection branch pipelines 112 are arranged, the two gas injection branch pipelines 112 are respectively communicated with the first liquid storage tank 1 and the second liquid storage tank 2, a first gas injection cut-off valve K5 and a second gas injection cut-off valve K17 are respectively arranged on the two gas injection branch pipelines 112, the first gas injection cut-off valve K5 is used for controlling the on-off between the gas injection pipeline 11 and the first liquid storage tank 1, and the second gas injection cut-off valve K17 is used for controlling the on-off between the gas injection pipeline 11 and the second liquid storage tank 2. In this embodiment, a helium gas level is used as a gas source, a gas cylinder valve 13 is provided at the mouth of the gas cylinder 12, and the interface C1 of the main gas injection path 111 is connected to the gas cylinder valve 13. The liquid filling equipment is provided with a blowing air gun 14 which can blow the pipeline, the pipeline connecting piece, the working table surface, the ground or the hose and the like before filling, after filling or in the process of withdrawing the pipeline. In other embodiments, nitrogen may be used instead of helium.
The two gas injection branches 112 each include a filling vehicle branch located on the filling vehicle and a liquid storage tank connecting branch connected with the liquid storage tank. The interfaces C2 and C3 are respectively arranged on the two filling vehicle branches, and the filling vehicle branches and the liquid storage tank connecting branches are detachably fixed, so that the pipelines are convenient to disassemble and assemble.
In this embodiment, the gas injection pipeline 11 is provided with a pressure gauge P1, a pressure gauge P2, a pressure gauge P3, a pressure reducer J1, a shut-off valve K2, and a shut-off valve K3. The main gas injection path 111 is connected with a purge line 113, the purge line 113 is used for guiding the discharged gas into the neutralization drum 15, and a purge cutoff valve K4 is provided on the purge line 113. In other embodiments, a purge line may be connected to the gas purifier to purge the exhausted gas.
In this embodiment, the liquid filling apparatus further includes a first electronic scale 16 and a second electronic scale 17, the first electronic scale 16 weighs the liquid in the first liquid storage tank 1 and the liquid in the first liquid storage tank 1 to accurately calculate the liquid filling amount of the first liquid filling pipeline 3, and the second electronic scale 17 weighs the liquid in the second liquid storage tank 2 and the liquid in the second liquid storage tank 2. The first electronic scale and the second electronic scale both constitute a weighing device.
When the liquid filling apparatus in this embodiment fills liquid into two tanks simultaneously, the liquid filling port C6 and the liquid filling port C7 are used simultaneously, and the specific steps are as follows:
1) and adding a proper amount of liquid medium to be injected into the first liquid storage tank 1 and the second liquid storage tank 2, and if the liquid medium to be injected is toxic and harmful, adding a proper amount of solid or liquid for neutralizing the liquid medium into the suction tank 10 and the neutralizing bucket 15.
2) Opening a first liquid injection cut-off valve K6, a second liquid injection cut-off valve K16, a first liquid injection cut-off valve K8, a first vacuum cut-off valve K9, a first vacuum cut-off valve K10, a second vacuum cut-off valve K11, a second liquid injection cut-off valve K12, an air suction cut-off valve K13, an air suction cut-off valve K14 and all the filling service valves 5, closing all the other valves, then opening a vacuum pump set for vacuumizing, and vacuumizing the vacuum tank 10 along with the first liquid injection pipeline 3 and the second liquid injection pipeline 4 before liquid injection.
3) After the vacuum degrees in the first liquid injection pipeline 3, the second liquid injection pipeline 4, the liquid injection cavity to be injected and the vacuum suction tank 10 meet the requirements, the first vacuum stop valve K9, the first vacuum stop valve K10, the second vacuum stop valve K11, the vacuum suction stop valve K13, the vacuum suction stop valve K14 and all the filling service valves 5 are closed, and the vacuum pump set is closed. At this time, the first liquid injection pipeline 3, the second liquid injection pipeline 4 and the vacuum suction tank 10 are all vacuum.
4) Recording the display values of the electronic scales under the first liquid storage tank 1 and the second liquid storage tank 2, wherein the display values are respectively T11 and T21, the display value unit is Kg, opening the first liquid injection cut-off valve K7 and the second liquid injection cut-off valve K15, and recording the display values of the electronic scales under the first liquid storage tank 1 and the second liquid storage tank 2 after the values are stable, wherein the display values are respectively T12 and T22.
5) Opening all the filling service valves 5, and recording display values of the electronic scales under the first liquid storage tank 1 and the second liquid storage tank 2 after the electronic scales are stable, wherein the display values are T13 and T23 respectively;
6) opening a gas cylinder valve 13, a cut-off valve K2, a cut-off valve K3, a first gas injection cut-off valve K5 and a second gas injection cut-off valve K17, slowly adjusting a pressure reducer J1, slowly pressurizing the first liquid storage tank 1 and the second liquid storage tank 2 by helium, recording display values of the first liquid storage tank 1 and the second liquid storage tank 2 after electronic weighing values of the first liquid storage tank 1 and the second liquid storage tank 2 are stable, wherein the display values are respectively T14 and T24, and calculating the T12-T14 and T22-T24 values to be the filling amount in the two liquid cavities to be filled respectively; then the filling service valve 5 is closed;
7) after filling, the second vacuum stop valve K11, the suction stop valve K13 and the suction stop valve K14 are opened, and the liquid in the first liquid filling pipeline 3 and the second liquid filling pipeline 4 is sucked into the suction tank 10. Because the inside of the vacuum tank 10 is vacuum, the vacuum stop valve K13 and the vacuum stop valve K14 before the vacuum tank 10 is opened can suck the liquid medium of the filling pipeline into the vacuum tank 10, so that the workload of pipeline removal is reduced, the quick removal of the filling pipeline is realized, the corrosion of the liquid to the pipeline is reduced, and particularly, the liquid which is poisonous and harmful can be greatly prevented from damaging human bodies by the liquid medium.
8) And opening the purification cut-off valve K4, the first gas injection cut-off valve K5 and the second gas injection cut-off valve K17 to release the pressure in the first liquid storage tank 1 and the second liquid storage tank 2. The liquid carried in the helium gas in the gas injection pipeline 11 is removed in the neutralization barrel 15, and the neutralization barrel 15 can reduce the harm of the volatile harmful gas to operators.
The utility model discloses a first liquid storage pot 1 and second liquid storage pot 2 are on the electronic scale, at the filling in-process, along with the reduction of the liquid in the liquid storage pot, the total weight of liquid storage pot and liquid can be shown in real time to the electronic scale, can learn the residual content of annotating total amount and liquid in real time, realize accurate filling. According to actual needs, the filling device can fill two cavities to be filled simultaneously, can also fill one cavity to be filled independently, and can also control the filling amount and the filling sequence of the two cavities to be filled at will.
The utility model discloses liquid filling equipment's embodiment 2, the difference in the structure of liquid filling equipment in this embodiment and above-mentioned embodiment 1 only lies in: in this embodiment, the evacuation pipeline is provided with two branches, and the first vacuum block valve and the second vacuum block valve are respectively provided on the two branches.
The utility model discloses concrete embodiment 3 of liquid filling equipment, the difference in the structure of the liquid filling equipment in this embodiment and above-mentioned concrete embodiment 1 only lies in: the air suction container is respectively communicated with the first liquid injection pipeline and the second liquid injection pipeline through two air suction pipelines, a first air suction cut-off valve and a second air suction cut-off valve are respectively arranged on the two air suction pipelines, the first air suction cut-off valve controls the connection and disconnection between the first liquid injection pipeline and the air suction container, and the second air suction cut-off valve controls the connection and disconnection between the second liquid injection pipeline and the air suction container.
The utility model discloses liquid filling equipment's embodiment 4, the difference in the structure of liquid filling equipment in this embodiment and above-mentioned embodiment 1 only lies in: the height of the first liquid injection cut-off valve is higher than that of the liquid storage container.
The utility model discloses concrete embodiment 5 of liquid filling equipment, the difference in the structure of the liquid filling equipment in this embodiment and above-mentioned concrete embodiment 1 only lies in: and each liquid storage pipeline and the vacuum pump of the liquid filling equipment are arranged on the filling vehicle, so that the liquid filling equipment is convenient to move.
The utility model discloses concrete embodiment 6 of liquid filling equipment, the difference in the structure of the liquid filling equipment in this embodiment and above-mentioned concrete embodiment 1 only lies in: first liquid storage pot and second liquid storage pot are transparent material and are provided with the scale, need not set up weighing device in this embodiment.
The utility model discloses concrete embodiment 7 of liquid filling equipment, the difference in the structure of the liquid filling equipment in this embodiment and above-mentioned concrete embodiment 1 only lies in: the suction container is communicated with the second liquid injection pipeline through a bridging pipeline.
The utility model discloses liquid filling equipment's embodiment 8, the difference in the structure of liquid filling equipment in this embodiment and above-mentioned embodiment 1 only lies in: the filling equipment is provided with a third liquid filling pipeline and a third liquid storage tank, and the third liquid filling pipeline is similar to the first liquid filling pipeline in structure, but is independent of the first liquid filling pipeline and the second liquid filling pipeline.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Liquid filling apparatus, characterized by comprising:
a first liquid storage container connected with a first liquid injection pipeline,
a second liquid storage container connected with a second liquid injection pipeline,
the first liquid injection pipeline and the second liquid injection pipeline are both provided with liquid injection ports, and the liquid injection ports are used for injecting liquid into the cavity to be injected;
a first liquid injection cut-off valve for controlling the on-off of the first liquid injection pipeline is connected in series with the first liquid injection pipeline, and a second liquid injection cut-off valve for controlling the on-off of the second liquid injection pipeline is connected in series with the second liquid injection pipeline;
the gas injection pipeline is used for injecting gas into the first liquid storage container and the second liquid storage container to extrude liquid in the liquid storage containers;
the vacuumizing pipeline is used for vacuumizing the first liquid injection pipeline, the second liquid injection pipeline and the cavity to be injected with liquid;
the first vacuum block valve is used for controlling the connection and disconnection between the first liquid injection pipeline and the vacuum pumping pipeline;
the second vacuum block valve is used for controlling the connection and disconnection between the second liquid injection pipeline and the vacuumizing pipeline;
the first gas injection cut-off valve is used for controlling the connection and disconnection between the gas injection pipeline and the first liquid storage container;
and the second gas injection cut-off valve is used for controlling the connection and disconnection between the gas injection pipeline and the second liquid storage container.
2. The liquid filling apparatus according to claim 1, wherein a bridging line is connected between the first liquid injection line and the second liquid injection line, the bridging line communicates the first liquid injection line and the second liquid injection line, the evacuation line communicates with the first liquid injection line through the bridging line, and the second vacuum shut-off valve is provided on the bridging line to control on/off of the bridging line.
3. The liquid filling apparatus according to claim 2, wherein the liquid filling apparatus includes an emptying container for drawing out the liquid in the first liquid filling line and the second liquid filling line after the liquid filling is completed, and the emptying container is communicated with the first liquid filling line or the second liquid filling line through the bridging line.
4. The liquid filling apparatus according to claim 1 or 2, wherein the liquid filling apparatus comprises an emptying container, the emptying container is used for pumping out the liquid in the first liquid filling pipeline and the second liquid filling pipeline after the liquid filling is finished, a first emptying block valve is arranged between the emptying container and the first liquid filling pipeline, a second emptying block valve is arranged between the emptying container and the second liquid filling pipeline, the first emptying block valve controls the connection and disconnection between the first liquid filling pipeline and the emptying container, and the second emptying block valve controls the connection and disconnection between the second liquid filling pipeline and the emptying container.
5. The liquid charging apparatus according to claim 1 or 2, wherein the first liquid charging line is connected to a bottom of a first liquid storage container, a height of the first liquid charging shut-off valve adjacent to the first liquid storage container on the first liquid charging line is not higher than a height of the first liquid storage container, the second liquid charging line is connected to a bottom of a second liquid storage container, and a height of the second liquid charging shut-off valve adjacent to the second liquid storage container on the second liquid charging line is not higher than a height of the second liquid storage container.
6. The liquid filling apparatus according to claim 1 or 2, wherein a purge exhaust branch is provided on the gas injection pipe for introducing exhaust gas to a purge device.
7. The liquid filling apparatus according to claim 1 or 2, wherein the liquid filling apparatus comprises a filling vehicle, the first liquid injection pipeline comprises a first filling vehicle liquid injection pipeline on the filling vehicle and a first liquid storage pipeline connecting the filling vehicle and a first liquid storage container, and the first liquid storage pipeline and the first filling vehicle liquid injection pipeline are detachably fixed; the second liquid injection pipeline comprises a second filling vehicle liquid injection pipeline on the filling vehicle and a second liquid storage pipeline connecting the filling vehicle and a second liquid storage container, and the second liquid storage pipeline and the second filling vehicle liquid injection pipeline are detachably fixed.
8. The liquid filling apparatus according to claim 1 or 2, wherein the liquid filling apparatus comprises a first weighing device for weighing the first reservoir and a second weighing device for weighing the second reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021313801.0U CN213085467U (en) | 2020-07-07 | 2020-07-07 | Liquid filling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251194A (en) * | 2021-11-18 | 2022-03-29 | 西安航天动力试验技术研究所 | Propellant filling system and method for metal diaphragm storage tank |
| CN117791060A (en) * | 2024-02-23 | 2024-03-29 | 深圳市铂纳特斯智能装备股份有限公司 | Battery filling method and system |
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2020
- 2020-07-07 CN CN202021313801.0U patent/CN213085467U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251194A (en) * | 2021-11-18 | 2022-03-29 | 西安航天动力试验技术研究所 | Propellant filling system and method for metal diaphragm storage tank |
| CN117791060A (en) * | 2024-02-23 | 2024-03-29 | 深圳市铂纳特斯智能装备股份有限公司 | Battery filling method and system |
| CN117791060B (en) * | 2024-02-23 | 2024-06-25 | 常州铂纳特斯自动化科技有限公司 | Battery filling method and system |
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