CN216668912U - Liquid level real-time monitoring device for biological liquid fuel storage tank - Google Patents

Abstract

The utility model discloses a liquid level real-time monitoring device for a biological liquid fuel storage tank, which comprises a tank body and a measuring barrel, wherein a plurality of conduction pipes are arranged on the tank body, threads a are arranged on the surfaces of the conduction pipes, a liquid inlet pipe is arranged on the measuring barrel and is positioned in the conduction pipes, a sleeve is sleeved on the outer side of the liquid inlet pipe and is provided with threads b, the sleeve threads rotate on the conduction pipes, a liquid level detection device is arranged at the top end of the inner side of the measuring barrel and is electrically connected with a PLC (programmable logic controller), a liquid outlet pipe is arranged at the lower end of the tank body, an electromagnetic valve is arranged on the liquid outlet pipe, and the electromagnetic valve is also electrically connected with the PLC. Insert in the conduction pipe through with the inlet tube to install the sleeve screw thread in the inlet tube outside on the conduction pipe, thereby can install the dismantlement to measuring a section of thick bamboo fast, make things convenient for the staff to overhaul the liquid level detection device in the measuring a section of thick bamboo.

Description

Liquid level real-time monitoring device for biological liquid fuel storage tank

Technical Field

The utility model relates to the technical field of liquid level monitoring, in particular to a liquid level real-time monitoring device for a biological liquid fuel storage tank.

Background

The biological liquid fuel is a liquid fuel obtained after diesel oil and some alcohol liquid fuels are mixed, wherein the diesel oil and the alcohol liquid fuels are volatile and combustible, so that the requirement of the storage tank on the sealing performance is high, and thus, workers can only carry out patrol estimation through manual work at variable times if wanting to know the liquid level change condition of the liquid fuels in the storage tank, but the judgment standards of everyone are different, so that errors are easily caused, and the conventional liquid level detection device is generally arranged in the tank body and is inconvenient to overhaul. Through long-term research of the inventor, the liquid level real-time monitoring device for the biological liquid fuel storage tank is invented.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a liquid level real-time monitoring device for a biological liquid fuel storage tank.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a liquid level real-time supervision device for biological liquid fuel storage tank, including a jar body and a measuring section of thick bamboo, be provided with a plurality of conduction pipes on the jar body, the surface of conduction pipe is provided with screw thread a, be provided with the inlet tube on the measuring section of thick bamboo, the inlet tube is located the conduction pipe, the outside cover of inlet tube has the sleeve, the sleeve has screw thread b, the sleeve screw thread is rotatory on the conduction pipe, the inboard top of measuring section of thick bamboo is provided with liquid level detection device, liquid level detection device is connected with the PLC controller electricity, the lower extreme of the jar body is provided with the drain pipe, be provided with the solenoid valve on the drain pipe, the solenoid valve is also connected with the PLC controller electricity.

Preferably, the outer surface of the liquid inlet pipe is provided with a limiting ring.

Preferably, a sealing groove is formed in the end face of the limiting ring close to the conduction pipe, and a sealing ring is installed in the sealing groove.

Preferably, the outside diameter of the sealing groove is smaller than the inside diameter of the sealing groove.

Preferably, an alarm is installed on the outer side of the tank body and is electrically connected with the PLC.

Preferably, the liquid level detection device is a guided wave radar liquid level gauge.

Preferably, there are two conduction pipes, and the conduction pipes are distributed up and down

The utility model has the following advantages:

1. insert in the conduction pipe through with the inlet tube to install the sleeve screw thread in the inlet tube outside on the conduction pipe, thereby can install the dismantlement to measuring a section of thick bamboo fast, make things convenient for the staff to overhaul the liquid level detection device in the measuring a section of thick bamboo.

2. Because the conduction pipe on the tank body is communicated with the tank body, the liquid level change in the measuring cylinder is equivalent to the liquid level change in the tank body, the liquid level in the measuring cylinder is detected in real time through the liquid level detection device, and a signal is sent to the PLC controller, when the liquid level is lower than a set value, the PLC controller controls the electromagnetic valve to be closed, and therefore the liquid fuel supply of the current storage tank is closed.

Drawings

FIG. 1 is a schematic view of the exterior of a storage tank;

FIG. 2 is a schematic structural diagram of an electrical principle of the liquid level real-time monitoring device;

FIG. 3 is a schematic structural view showing the positional relationship between the conducting tube and the liquid inlet tube;

FIG. 4 is an enlarged view of A;

in the figure, 1-tank body, 17-electromagnetic valve, 18-liquid outlet pipe, 40-measuring cylinder, 41-guided wave radar liquid level meter, 42-conduction pipe, 43-thread a, 44-sleeve, 45-thread b, 46-liquid inlet pipe, 47-sealing ring, 48-sealing groove and 49-limiting ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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.

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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, as shown in fig. 1, the liquid level real-time monitoring device for the bio-liquid fuel storage tank comprises a tank body 1 and a measuring cylinder 40, wherein a plurality of conducting pipes 42 are arranged on the tank body 1, preferably, two conducting pipes 42 are arranged, and the conducting pipes 42 are distributed vertically. The surface of conduction pipe 42 is provided with screw thread a43, be provided with inlet tube 46 on the measurement section of thick bamboo 40, inlet tube 46 is located the conduction pipe 42, inlet tube 46's outside cover has sleeve 44, sleeve 44 has screw thread b45, sleeve 44 screw thread rotation is on the conduction pipe 42, insert in the conduction pipe 42 through inlet tube 46, and install the sleeve 44 screw thread outside inlet tube 46 on the conduction pipe 42, thereby can install the dismantlement to the measurement section of thick bamboo 40 fast, make things convenient for the staff to overhaul the liquid level detection device in the measurement section of thick bamboo 40. The top end of the inner side of the measuring cylinder 40 is provided with a liquid level detection device which is electrically connected with the PLC, the lower end of the tank body 1 is provided with a liquid outlet pipe 18, the liquid outlet pipe 18 is provided with an electromagnetic valve 17, and the electromagnetic valve 17 is also electrically connected with the PLC. Because the conduction pipe 42 on the tank body 1 is communicated with the tank body 1, the liquid level change in the measuring cylinder 40 is equivalent to the liquid level change in the tank body 1, the liquid level in the measuring cylinder 40 is detected in real time through the liquid level detection device, a signal is sent to the PLC, and when the liquid level is lower than a set value, the PLC controls the electromagnetic valve 17 to be closed, so that the liquid fuel supply of the current storage tank is closed.

Further, as shown in fig. 3, a limiting ring 49 is disposed on the outer surface of the liquid inlet pipe 46. Specifically, the main function of the limiting ring 49 is to limit the insertion depth of the liquid inlet pipe 46, so as to increase the installation rate of workers.

In the present embodiment, a seal groove 48 is formed in an end surface of the stopper ring 49 adjacent to the conduction pipe 42, and the seal ring 47 is fitted in the seal groove 48. Specifically, when the liquid inlet pipe 46 is inserted and the limit ring 49 abuts against the conduction pipe 42, the pipe wall of the conduction pipe 42 presses and seals the seal ring 47, the sleeve 44 is rotated by an operator to fix the sleeve 44 on the conduction pipe 42 in a threaded manner, the sleeve 44 increases the contact surface between the sleeve 44 and the conduction pipe 42 in the rotation process, the sleeve 44 limits and fixes the limit ring 49, the seal ring 47 is fixed, and the sealing performance is guaranteed. Further, the outside diameter of the seal groove 48 is smaller than the inside diameter of the seal groove 48, and the outside diameter of the seal groove 48 is smaller than the inside diameter of the seal groove 48, so that the seal ring 47 is prevented from falling out of the seal groove 48.

Further, as shown in fig. 2, an alarm is installed on the outer side of the tank body 1, and the alarm is electrically connected with the PLC controller. Specifically, when the liquid level detection device detects that the liquid level in the measuring cylinder 40 is lower than a set value, the PLC starts an alarm, and a worker hears an alarm sound to perform liquid supplementing operation on the liquid level detection device, so that manual patrol is replaced. Still further, the liquid level detection device is a guided wave radar level gauge 41. In this embodiment, the conduit 42 is provided with a valve (not shown).

The working process of the utility model is as follows: the staff closes the valve on the conduction pipe 42 first, then inserts the liquid inlet pipe 46 into the conduction pipe 42, when the spacing ring 49 is pressed on the conduction pipe 42, the pipe wall of the conduction pipe 42 can extrude and seal the sealing ring 47, the staff rotates the sleeve 44, the sleeve 44 is fixed on the conduction pipe 42 in a thread rotation way, the sleeve 44 can enlarge the contact surface of the sleeve 44 and the conduction pipe 42 in the rotation process, the sleeve 44 can limit and fix the spacing ring 49, thereby fixing the sealing ring 47, ensuring the sealing performance, further installing the measuring cylinder 40 on the tank body 1, at the moment, the valve is opened, because the conduction pipe 42 on the tank body 1 is communicated with the tank body 1, the liquid level change in the measuring cylinder 40 is equivalent to the liquid level change in the tank body 1, the liquid level in the measuring cylinder 40 is detected in real time through the guided wave radar liquid level meter 41, and the signal is sent to the PLC controller, when the liquid level is lower than the set value, the PLC controller controls the solenoid valve 17 to close, thereby shutting off the liquid fuel supply to the current tank; when needing to overhaul guided wave radar level gauge 41, the staff closes the valve earlier, takes off sleeve 44 from conduction pipe 42 again, takes liquid inlet tube 46 out from conduction pipe 42 again to dismantle measuring cylinder 40 from jar body 1 and overhaul guided wave radar level gauge 41.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a liquid level real-time supervision device for biological liquid fuel storage tank which characterized in that: including a jar body (1) and a measurement section of thick bamboo (40), be provided with a plurality of conduction pipes (42) on jar body (1), the surface of conduction pipe (42) is provided with screw thread a (43), be provided with inlet tube (46) on measurement section of thick bamboo (40), inlet tube (46) are located in conduction pipe (42), the outside cover of inlet tube (46) has sleeve (44), sleeve (44) have screw thread b (45), sleeve (44) screw thread rotation is in on conduction pipe (42), measurement section of thick bamboo (40) inboard top is provided with liquid level detection device, liquid level detection device is connected with the PLC controller electricity, the lower extreme of jar body (1) is provided with drain pipe (18), be provided with solenoid valve (17) on drain pipe (18), solenoid valve (17) also with the PLC controller electricity is connected.

2. The device for monitoring the liquid level of the biological liquid fuel storage tank in real time as claimed in claim 1, wherein: the outer surface of the liquid inlet pipe (46) is provided with a limiting ring (49).

3. The device for monitoring the liquid level of the bio-liquid fuel storage tank in real time according to claim 2, wherein: close to conduction pipe (42) seted up seal groove (48) on the terminal surface of spacing ring (49), install sealing washer (47) in seal groove (48).

4. The device for monitoring the liquid level of the biological liquid fuel storage tank in real time according to claim 3, wherein: the outside diameter of the sealing groove (48) is smaller than the inside diameter of the sealing groove (48).

5. The device for monitoring the liquid level of the bio-liquid fuel storage tank in real time according to claim 4, wherein: an alarm is installed on the outer side of the tank body (1), and the alarm is electrically connected with the PLC.

6. The device for monitoring the liquid level of a biological liquid fuel storage tank in real time as claimed in claim 5, wherein: the liquid level detection device is a guided wave radar liquid level meter (41).

7. The device for monitoring the liquid level of the biological liquid fuel storage tank in real time as claimed in claim 6, wherein: the number of the conduction pipes (42) is two, and the conduction pipes (42) are distributed up and down.

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