JPS5915091A - Preventive device for mixing of liquid discharged from double chamber tank - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for preventing liquids from being mixed up from a multi-chamber tank O/J1 that individually accommodates different types of liquids.

An example of different types of liquids is Karin February ura, a multi-chamber tank that stores and transports light oil separately in each chamber, its υ1.
The output work is carried out as follows.

As shown in Fig. 1, if the type of liquid to be discharged is, for example, kerosene (for example, kerosene), the operator must first confirm that kerosene is stored in chamber 3B by checking 1- of the multi-chamber tank 1 or the display plate 2 on the side.
(After confirming, operate the operating handle 4B installed in the chamber 3B-1-, and open the bottom valve 5B, which opens and closes.
kerosene is being discharged.

However, if a worker sometimes makes a mistake and makes 8% tM, and makes one L Shibasaku handle of 762-tei that accommodates the desired 11ν type and a different Z(ru) type, for example, it is difficult to make one L Shibasaku handle. Draining diesel oil into the kerosene tank at the stand, fortune telling, /j-
, I-difference) 1°.

In addition, when loading various liquids into a multi-chamber tank + HH: Kura No. 1 (one pile G), a different type of liquid than what was written on the display board was mistakenly loaded into each chamber of C1. If it is crowded, work - K or table 5' 1jfi on the slope will be discharged 1. Even if it is cultivated, it will not be discharged. Fortunately, there is a drawback due to the current situation.

The present invention has been made to solve the above-mentioned problems.
81 (avoiding repeated operations, and
I)I ili of a multi-chamber tank that prevents confusion of 111ν species when loaded into each chamber of the multi-chamber tank before continuous use
ifν body? L=1 for every 1M anti-static device (for each
Target and 4-i.

Hereinafter, the present invention will be described as its embodiments), (d), q'(
Please explain in detail.

FIG. 2 shows J.flit profanity confusion prevention 11 according to the present invention.
This is a relay circuit 10 of the device. In addition, each of the following 1.] ^Y
In the explanation of the formation, "Go γμY Kuntan's various rooms" (1
+C# and other similar functions have a subscript Δ.

Listen to and distinguish between B and C.

The present invention is a storage base 1 that is installed on a vehicle 2J equipped with a multi-chamber tack l and that stores and stores a large amount of seeds in different terminals.
1 (see Fig. 6), which is connected to a different 1ITI terminal 16 provided for each liquid type tank. A loading liquid type discriminating means 13 for determining the type of liquid to be loaded into each chamber of the multi-chamber tank 1, and storing the type of liquid loaded in each chamber based on a signal from the loading liquid type discriminating means 13. The loading liquid type storage means 14 and the loading liquid type display I utility 15 for displaying the loaded liquid type for each chamber based on the signal of the loading liquid type storage means I4 are used as the main structure. There is.

To be more specific, the energizing means 12 is individually installed in each liquid type tank Ila to Ilc of the storage base 11, and the energizing means 12 is connected to different energizing ends/~16 as shown in FIGS. 3(a) to 3(C). a
-1fi C is the current-carrying terminal connected to it, and is this the current terminal? 1-L-' (,
Load the J signal indicating whether the liquid type tank 11 is about to be implanted in the multi-chamber tank 1). , each liquid (the energized parts 11 of the Φ tank are set to be placed in two different positions in the 31st Pj(a) to (1)), i!r1
The energizing terminal of the electric means 121ijll can be connected to the energizing terminal of either tank).

In each liquid type tank of the storage base 11, a specified liquid type is stored. ,
Uniquely multi-chamber tank I 6. Z loading” - old 4 t(ν(
It is designed to be Φ or decisive.・The loading liquid type publication separate page 13 is JiII tun j-1 coin 12
Detects the opening 1 of the loading man-ball 17△~170 of each compartment of the multi-chamber tack 1 in Fig. 4]. , m C
Faith from - blasphemous fin Rii゛(, Kai 1-1 Shitaman, 1;
This is to determine the type of liquid to be loaded into chamber Q and II.

Its configuration is as shown in the figure with one manball, for example I7Δ
It appears that the normally open contact p1 becomes normal when 1-1 opens.
Said sushi---normally open contact r1 operated by RI~R3
~r Relays R4~R that operate when any of 3 is traced
('+ is also provided.Similarly, other normally open contacts p2, ρ
3, relays R7 to R12 are also provided.

That is, a normally open contact rl-r3 is activated by any one of the relays 1 to R3, which is activated by a pair of contact connections in the energizing means 12, and a normally open contact rl-r3 is activated by a relay connected to one of relays 1 to R3, which is activated by a pair of contact connections in the energizing means 12, and a normally open contact rl-r3 is activated by a relay connected to one of the relays 1 to R3. Relays R4 to Rl2, which operate only when open contacts p1 to p7!3 are open, allow loading liquid type 1. A signal is output to means 14.

The loading lfk type storage means 14 stores the loading liquid type determining means 1.
Normally open contacts operated by relays R4 to R2 installed in the loaded liquid type determining means 13. and relays R13 to R21 that operate with normally closed contacts, and sealed contacts r13 to r21 that maintain the operation of the relays.
A self-holding circuit consisting of

Loading liquid type key 5i11 ・Daily 1
3C The determined liquid type and storage chamber are memorized, and -1
Loading is done by operating id L---R13~Rjl.
The same signal as the stored signal is outputted to the Ik, fdi display means 15.

The loaded liquid type display means 15 is used to, for example, turn on a corresponding lamp in order to allow the operator to confirm what kind of liquid is stored in each chamber of the multi-chamber tank 1. As shown in FIG. 11(a), the lamps PLl to PL9 of the display 2G are lit by the seat opening contacts r13 to r21 activated by the relay 1≧1:1721. stomach〕.

It goes without saying that the lamp will continue to light up as long as 13 to 1221 is present.The display on the loaded liquid type display means 15 is: In addition to lighting a lamp as mentioned above, it is also important to display text or colors.

In addition to the above configuration, multiple manhole opening detection means 18,
By installing a detection means 19 and an alarm means 20 to notify the field lightning condition detected by these means, it is possible to avoid careless omissions or careless operations by workers during loading work. can do.

Briefly 4, the plurality of manpole open III detection means 18 is arranged in series by combining 211 MI of sealed contacts 11 to 13 operated by LmA to ImC as described above. A required number of relays are connected in parallel, and a relay R22 is provided to operate any one of them. This is detected in advance so that an alarm can be issued via the alarm means 20 so that the loading chamber is specified as the only chamber for the time being to prevent the liquid being loaded into a room other than the desired chamber. It is something to do.

The bottom valve interval L" detection means 19 is a limit switch LvΔ~l provided on the operation handle of the bottom valve 5Δ~5C of each chamber.
A parallel circuit of cloth contacts r4 to r12, which are activated by the relays R4 to l<12, is connected in series to each of the chamber contacts 14 to 16 activated by -vC, and when they are connected, one of them is activated. Relay R23~1n25
Kaset & J is here. This is the house I'm about to load.)
j [Kaikai 111. '(ii) and the loaded liquid is d
Exploration 14 wandering (3, avoid this -4 to do that'?
Detection in advance as shown in Figure 1.
be.

The alarm means 20 is the detection means 1) i, 1 of 1-2).
5) Received "I believe from" LJ face body 2 (: 4. The Z setting was also established -L, -rE nokofa/"l' L l O,, l I was lit. -ζMei for work: Death (IL!゛44・の(,()る.

Due to the configuration described above, the following problems can occur:
I can do 10 things.

Next, the loading work of the multiple 45 tanks 1- to the storage base 11 will be described. In addition, J'l! In order to help l' + ii, the Solow thousand years -1 and (j
o(Explanation゛J7:,,.

The 61st jiglHI□121 equipped with a multi-chamber tank 1
On the 21st, the 11th seed tank 1121 of the storage base 11 was checked (〃f).
llf I 2 to the energizing terminal I installed on the tank.
Connect to Ei rJ (Sdenop I in flowchart)
, l; written as 7.1・Sl).

In addition, when loading flammable liquids and discharging 1J1, accidents due to static electricity G may occur, and to prevent this, grounding as required by the Fire Service Act is required.

Ground cotton 22 and liquid type tank 11a installed in the vehicle
The earth connection LJ 23 provided in Figure 3 (a)
) together with the ground terminal L5 as shown in energization = f.
ll&I 2 and energizing terminal 1 fi a~l 6
If the contacts L1 to E4 of c are built-in, the ground wire connection work and the energizing means connection work can be done at the same time, and there is no change from what has been required in the past) iiJ Noh.

When the contacts tl and L2 of the energizing means 12 are electrically connected, the relay ni or the contact 1 is activated by the electric power supplied from the power supply of the vehicle 21 (S2), and this is connected to the contact G (discriminating the type of liquid to be loaded). The opening contact r1 of means 13 is forced through.

In this state, the operator selects the desired chamber 38 of the multi-chamber tank l into which the liquid from the liquid type tank lla is to be loaded.
Δ is opened (S3). And that man ball 17'
Insert the loading arm 24 (see Figure J! (6)) into A. At this time, the switch I-mΔ detects that the manpole 17Δ is open and switches to the Contaminated liquid type determination] 1. Pass through the normally open contact p1 of 1 (S).
4), so R4 is activated (S5).

As a result, the normally open contact r4 of the loaded liquid type +:'1.1 14 becomes 1lll. - Force, other normally open contacts, 5.
, r I'r are connected in the energizing means 12, Ji
, (because relay R2, 123 or 1 is not working and 2 is not working, that Amme 11) (is R2,
r Near' (Relay not working + < 5, R6 turns ON state (21)
)j! In state Ii, relay + e l 3 operates (
S(i). Relay 1 to 13 is self-maintained by the normally open contact r13, which is connected to the operation of this relay.
[Even if there is only a disconnection from the energizing terminal 1, the type of liquid filled in the kit and the incense contained in the kit are still recorded].

2 more rilets 6. 7. When the normally open contact r l 3 of the loaded liquid type display means 15 is open, 7. Therefore, the -lamp)) L I lights up at the corresponding location on the display 20 as shown in FIG. 11(a). :l, it is displayed that the th toy β△ has a kalin or something.

As with the above-mentioned filling operation, storage group +1i! When performing work on filling the second chamber of multi-chamber tank 1 from 11 of 11 species Kunk ++ a, connect the connected i'l electric terminal ↑' l
The contacts t1 and R2 of the energizing means 12 are electrically connected by fia. Lire l? 1 is activated, and as a result, the normally open contact r1 of the loading liquid type determining means 13 is opened.

This situation! ) to open the manhole 1713 of the desired room 313, then open the rimino 1-switch lmB or open the manpole 1714. IL' (The normally open contact p2 of the loading liquid type determining means 13 upon detecting the presence of the liquid is jlrl.

However, at -7, relay R7 is activated, and normally open contact r7 of loading 7 good type record 19 means 14 is connected, and relay 1' is activated.
e R6 makes J. The operation of this relay (1!
The relay Rl 6 is self-held by the opening contact r16, which becomes Om, and the loading and receiving chambers are exclusively designated. Furthermore, this relay allows the opening and closing point, r16, of the loaded liquid type display means 15 to become open, so that the lamp 1) R4 is suitable.

Similarly, H11'++ Boshu (1 mountain 11 (turtle fishiri! tank 111.1 to the 1st chamber of multi-chamber tank l; (
ΔG, eyes! If you want to perform R3, use the connected communication port R3. L+' l [i l) l Koyori'
Yukameboshi ■Mori 12's 1 base point L1 and 1:) or mej7no+li
be done.

Relay 122 is activated and the normally open contact of 1, 13 (41'4 included, ltν type/publication discrimination 1, 13), 1
'-? 'h.

In this state, go to the desired room; open 7△ for the manhole of Go△1-
1 Then, it is detected that the liminotos inona l, m△ or -・'nbol 17Δ is open [-1, and 7- (loading Il liquid type '1' 130) '+';'+'Open contact p1'111 and -1・<,.

Therefore, Sushi-R5 works! °i included 1/) When the normally open contact r5 of the liquid discharge means 14 is open, 7. (2'l
Relay 14 is activated. At 1'1 of this relay) - (to the normally open contact r l 4, Lri I/lt
'l・1 or self fkl, ~ and ■ rI included lIk species and containment room are memorized A1 bar 13. Furthermore, this relay allows loading 1ν (Φ), normally open contact r1 of 111 and 15
4 is the pass (, Man, I'l'l, 2 or 4 points.

In the same way, the lfk bodies can be implanted one after another into the desired chambers of the multi-chamber tank 1 from the ?'r liquid small tank of H(i:Kurafu 11i!II), and the Notes 1 and 7 means and display q1 (memorized and displayed in G, 2).

Therefore, as a special case, the same type of liquid may be loaded into all chambers of the multi-chamber tank I without any problem.

When you open the manpole of multi-chamber tank 1, if there is another manpole that is already open, or if you accidentally open more than one manpole, open the manpole as described above. In order to avoid a situation where the rope ink arm 24 is accidentally inserted into an undesired chamber, a warning can be given to the operator.

However, at least two manpoles, e.g. 17Δ,
171 (the normally open contact p of the plurality of manpole opening detection means 1) which is opened (S8) and shown in FIG.
1 and 12 are connected, and relay R22 is activated (S9).

As a result, the normally open contact r22 of the inspector means 20 becomes open, and
Buzzer 13 Z sounds (S10) and P L I
O lights up (Sll).

If there is only one manhole open,
There is no possibility that the above-mentioned relay will not operate and an alarm will be issued (S12, S l 3.8I4).

In addition, the desired room of the multi-chamber tank 1 to be loaded, for example, 3△
The bottom valve 5Δ is IIIf's 'l emotion' C11jl l
l When doing so (S 15), the loaded liquid leaks out (
, Limino 1 to switch 1 installed on the operation handle of the bottom valve 5A which is open L1, normally open contact 7!4 (S16) which becomes normal due to the construction 1 of vΔ, and storage base XO = seed tank. For example, the relay of the loading liquid type discriminating means 14 that discriminates the chamber in which the man ball is open 1-1 is connected to the normally open contact r4, which is normalized by R4 (3, 5), and the bottom valve open 1-1 detecting means 19.
Relay river 23 made 41 Tsuno Saichi υ (S I 7)
, normally open contact r2:l' of alarm stage 20, 231
, litho-'F-1UZ and lamp P L I I, Uzuki Saichi 1i (,')I 0131B) l to the worker.
]] Arouse the will 1. Of course, if the bottom valve is closed, there will be no alarm from the alarm means 20. This is the same as in the case of ``IX''.

In this state, drive the obonzo 25 shown in Fig. 6 (
S22) Liquid type tank + the liquid in Za to medium thickness 4I° (incl. J-, (S23) and rod 1 incl. e7) ('l”!?j 4
．． Nisai Ha Jro II"jt, #f+), c or defense 11, and load the desired liquid type at 91'43G JJ, two and force 1 (kiru).

The predetermined liquid 4:li stored in each chamber a) and the +iii record stored in the storage liquid type storage means 14 (jJ
The lighting of a predetermined lamp on the display 26 is continued until the first call is made.

When discharging a desired type of liquid from the multi-chamber tank 1 loaded with various types of liquid into the tank 1, which is a gasoline stand, the indicator 2 ('r) indicates the chamber in which the type of liquid is stored. The operator can discharge the desired lfk body.

In other words, as shown in FIG. 7, in order to discharge the multi-chamber tank 1 into a predetermined tank 27 (of the Kalinstan Iξ27), first connect the ground, open the bottom valve 5C of the corresponding chamber 3C, and then drain the discharge pipe 2.
The discharge source valve 29 of No. 8 can be opened to discharge the soil through the discharge source 30.

In the configuration and operation described above, the energizing means 12 may be replaced with a circuit 3I as shown in 81';/14. 4', each liquid Jift tank 6 of the storage base 11, two-stage (<r J'L Z, current-carrying end f' I ti
64 &, 1. I (i';], II [i l)
, 1 [i (: iij with different resistors IJ'CR2, 1
? 1), 1 < (interposed - 1i, +5i'
(1) inli mountain: ■1 step + z no H++i city, 1j
:, 1j' = is placed in series with 1 resistor R (+, and the difference in weight is indicated by A9 ()1 at point ()). is interposed between the relays 1 and 1 and R3.

According to this circuit; 31, energization 111i: i J' l
(+a ~ l ('+(Every C1 two different voltages Va=(Ro/(l-o41?n1))・()Vb=
(Ro/ (Ro41?b)l ・V.

(: ” (R(1/ (I< o t lze(1)
) ・Since there are 0 or 10 points (to Yu), 7 corresponds to Gorera no Den 11 and Suino Sen 32 changes to I, lj or j, lii Den'
4゛Shoulder Rl・〜I? :Select 3'4. After that, the operation is 1 and 5''.

In such a current-carrying circuit 3, the conducting wires connected to the current-carrying terminals IEi should not be connected to the current-carrying terminals 12 &;
For example, you can use 1 core wire (1 tree) and 33 core wires.
Dentsu J1 with 18 people. There is an advantage to using a thin connection line for the guard 12.

FIG. 9 shows a relay circuit 40 of a different embodiment to which a discharge liquid mix-up prevention device C is applied. The same reference numbers will be used for parts that are not different from those in Figure 2, and the explanation will be omitted.

This embodiment is equipped with a telephone number 41 for discriminating the type and publication of the flit, and a discharge liquid type display 1 stage 42. Of these, the discharge liquid type discrimination means 41 and the multiple bottom valve open L1 detection 1 stage 4 at the time of discharge
3 is provided so as to be freely switchable between the loading liquid type discrimination means 13 and the plural manpole opening 1 detection means 18 via the loading and discharging selection means 44.

- Stand tanks 27a to 27C of the gasoline stand 27 for discharging the liquid of the multi-chamber tank l and storing it;
, are not shown in the drawings, or are connected to those of the storage base 11 shown in FIGS. 3(, 3) to (c).
5 C, is provided.

However, as in the case of the liquid type tank, the shape of the energizing terminal uniquely determines the type of liquid handled by the stand tank.

The discharge liquid type determination means 41 has normally open contacts r1 to 1';
"l) 1.1 A is turned on ζ 1 J) 4° The multiple bottom valve open 14 detection means 43 has the same structure as the plurality of man-ball open L1 detection arms 18 when discharging, and the bottom valve 5 8~5C [Sei 1 on the handle A1 limit switch 1, ■△~Lv (operation from l - 4a) cold open contact p4~
Consisting of β6, the police + January' death 2o's 'J'-13
Z Oyo U Run-7"I'1, I I & Departure i"+,!
It's the first day of the day.

The loading/discharging selection means 44 selects the loading/unloading selection means 44 (during the loading operation down to the ground 11 and during the loading/unloading operation 12'l).
The discriminating means 13.
41 and the detection stage 18.4; 3 are separated.

When the relay circuit 40 is blue, it is possible that during loading and unloading operations (4), each chamber of the multi-chamber tank L corresponds to the stand tank of the gas station F' 27, and the discharge is completed. Time confusion can be prevented. Hereinafter, it will be explained in conjunction with -Jnol:J-:J-ya-I shown in FIG.

At the storage base J1, the loading selection means 47I is connected to the contact L6 and 7, and as described in the above embodiment, the respective liquid types are already stored in each chamber of the multi-chamber tank 1,
With the memory stored in the loaded liquid type storage means 14 and the lamp in the loaded liquid type display means 15 lit, the multi-chamber tank 1 is moved into one position, and the vehicle 21 is moved to the stand 27. When the tank 27b is loaded sideways, first, the contacts of the loading/discharging selection means 44, which are connected to contacts L6 and C7, are changed to C6 and C8 (S
30). Then, as shown in FIG. 7, when the ground cotton 22 is connected, the energizing means 12 is simultaneously connected to the energizing terminal 45b of the stand tank 27b as described above. Note that even if the contacts of the loading and discharging selection means 44 are switched, the loading liquid type storage means 14 and the loading liquid type displaying means I5 are not cut off by the loading and discharging selection means 44, so the memory and display disappear. Never.

When the energizing means 12 is connected, the energizing terminal 45b connects the contacts L1 and C3 to 4. 'Tracing's C1 sushi-1
Relay R27 is activated (S32J.4).
, (wa I-, j, relay 1-27 is the methane tank 2 which is the kerosene tank of the thread tank l and the kerosene tank of the kalinstan 127
7b or something like ``4'' determines that the person has received a blessing. At 7, this relay causes the '1\1' open contact of the discharged liquid type display means 42 to open (27), and the lamp I) L l : 3 or the mark on the display body 46 (Fig. 1I (E)). Yoso Ungetsu Juru (S
33) 6 Therefore, each station in the multi-chamber tank I is housed in the l1lli of Karin, light oil, and four oils. :
It is also possible to acknowledge that 'c' exists (S3.
i).

ζ, open the bottom valve 50: 15) L, then open the discharge source valve 29 "U (S36) 4.1
1 into the stand tank 27I) through the discharge bowl 30) (S37).

Note that when the bottom valve 5C is opened, other bottom valves such as 513
If it is also open, it will be discharged from Heigaruura 4) along with 1ura, so in order to prevent this, 1iijki discharge l will be discharged.
lN Multiple bottom valve open [-1 The detection means 43 does not detect it 5
31i), the alarm means 20 can prompt the operator to do so (S39.54(1)).

In the following two embodiments, three types of liquids have been described as examples, but it goes without saying that the present invention can be applied to all multi-chamber tanks with two or more chambers that handle two or more types of liquids.

In addition, although each operation has been explained using a relay circuit, it is also possible to use a digital logic circuit consisting of a gate circuit.

As described in detail below, the present invention includes an energizing means connected to different energizing glass installed in each liquid type tank of a different liquid storage base, and a energizing means connected to a different energizing glass installed in each liquid type tank of a different kind of liquid storage base, More luck than the seed tank! Loading liquid type discriminating means for determining the type of liquid to be loaded into each chamber of the general multi-chamber tank; and loading liquid for storing the type of liquid loaded in each chamber based on a signal from the loading liquid type discriminating means. The loading liquid type display 1-1 displays the type of liquid loaded in each chamber based on the signal of the loading liquid type storage means. Drain the desired liquid type into the chamber tank, 1, and listan 1 tank. &Kamitsuno;yl< 11 G, from 2 (I “I can recognize it.

7 Therefore, the desired 11 species are each '.;U,1,SI
JI: +++ When the worker is in 4-, (7\difference or I', (jj I avoid the work (to, also, when 4Jj is working, there is a message in each room that says, ``J be in it lIk 4+I-I'm confused or cow. There's nothing to do.

[Brief explanation of the drawing]

Figure 1 is a 14-north view of a multi-chamber tank on the east side of INOL that accommodates different liquids, and Figure 2 is a view of the present invention.
! Relay circuit diagram applied to 4-body confusion prevention 11 device, No.:
31″J, 1(a) to (c) are energizing means and energizing, 71M
,, f'-, saw travel example, Fig. 4 is a sectional view of the rear chamber tank of the present invention, Fig. 5 does not show the operation of loading +14, and Fig. 1j is jii. 'Loading state diagram of 4-ton multi-chamber tank-1 at storage base, No. The figure shows the state of discharge into the tank 71 of the multi-chambered tank that goes down to the gasoline stand, Fig. 8 shows the trace and other embodiments of the Ju Denko I-Y, and Fig. 13 shows the state of discharge into the tank. Different embodiments of the relay circuit to which invention C is applied, Fig. 10 shows the operation when outputting 1/1.
b) An example of &:1 display body. 1 Multi-chamber tank, 3Δ~ ;) 1 U Chamber, 5Δ~5B
Bottom valve, 11 Storage base 1.1 a-11C: Liquid species tank, 12 iI! I electric means, 13 Loading I liquid type 10 stages, 14 Loading liquid type description 1.9 means, 15 Loading?
+ Seed display upper row, I fi, 1 (i; r ~ 1 (song 1i terminal, 26.46 display body, 27a-27cm
Stand tank, 28=141 deoboro,

Claims (1)

[Claims] (1) In a multi-chamber tank for transportation, in which each chamber individually housing different liquid types has a bottom valve for discharge, and a discharge pipe communicating with the bottom valve is provided, each of the liquid storage bases An energizing means connected to different energizing terminals provided on the liquid type tank, and a energizing means used to determine the type of liquid to be loaded from the liquid type tank of the storage base into each chamber of the multi-chamber tank for transportation and general use. loading liquid type determining means for storing the type of liquid loaded in each chamber based on a signal from the loading liquid type determining means; Loading liquid type display means for displaying based on a signal from the loading liquid type storage means, and a loading liquid type display means for displaying the loading liquid type based on a signal from the loading liquid type storage means; Check the bottom valve to be loaded using the loading liquid type display means.
A device to prevent mix-up of discharged liquid from a multi-chamber tank.