Novel yellow phosphorus collecting tank multi-medium coexistence interface liquid level meter

Abstract

The utility model discloses a novel yellow phosphorus collecting tank multi-medium coexistence interface liquid level meter which comprises an interface liquid level barrel body, a built-in strong magnetic levitation barrel is arranged on the interface liquid level barrel body in a sleeved mode and floats up and down on the barrel body along with the liquid level, the built-in strong magnetic levitation barrel senses a liquid level sensing device in the interface liquid level barrel body, and a transmitter converts signals. An outer protective sleeve is arranged on the outer side of the interface liquid level cylinder body, the outer protective sleeve can allow a liquid medium to flow in and act on the built-in strong magnetic levitation cylinder, and a medium temperature rise softening device is arranged in the outer protective sleeve to keep the medium in a liquid state. When the temperature of the yellow phosphorus storage tank is lower than 60 DEG C, a temperature sensor detects and opens a hot water inlet valve and a hot water outlet valve, heat is conducted to a peripheral yellow phosphorus and phosphorus mud coexistence area through the interior of the yellow phosphorus barrel, peripheral yellow phosphorus and phosphorus mud are softened, the strong magnetic levitation barrel can move freely, yellow phosphorus liquidity and liquid level measurement accuracy are guaranteed, and the whole system is operated automatically. Safety interlocking of the yellow phosphorus refining storage tank liquid level, the valve and the transfer pump can be achieved, and intrinsic safety of yellow phosphorus production is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to interface liquid level meter technical field, especially a novel yellow phosphorus collection groove multiple medium coexistence interface liquid level meter. BACKGROUND

[0002] Because the electric furnace method is used to produce yellow phosphorus, a large amount of by-products will be produced in the high-temperature conversion process of the ore, and in the recovery of yellow phosphorus, liquid yellow phosphorus, water and other impurities such as phosphorus mud exist at the same time, which leads to the fact that the ordinary liquid level meter is difficult to accurately measure the real data of yellow phosphorus. Since yellow phosphorus storage is a major hazard source, the measurement instrument must be accurate and reliable and have the interlocking requirement of emergency shutdown. Therefore, a liquid level meter capable of accurately measuring the impurity liquid level in the production by the electric furnace method is required. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a novel yellow phosphorus collection groove multiple medium coexistence interface liquid level meter, which solves the problem of inaccurate measurement of the yellow phosphorus collection groove liquid level meter.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A novel yellow phosphorus collection groove multiple medium coexistence interface liquid level meter, comprising an interface liquid level cylinder body, an inner built-in strong magnetic float cylinder is sleeved on the interface liquid level cylinder body and floats up and down on the cylinder body along with the liquid surface, the inner built-in strong magnetic float cylinder inducts the liquid level sensing device in the interface liquid level cylinder body and converts the signal by the transmitter, an outer protective sleeve is arranged on the outer side of the interface liquid level cylinder body, the outer protective sleeve can allow the liquid medium to flow in and act on the inner built-in strong magnetic float cylinder, and a medium temperature rise softening device is arranged in the outer protective sleeve to keep the medium in a liquid state.

[0006] The medium temperature rise softening device comprises a patch temperature sensor arranged in the outer protective sleeve, the patch temperature sensor signal is sent to the DCS system after conversion, and a heat source control device is arranged at the upper end of the outer protective sleeve to detect the temperature in the outer protective sleeve by the DCS system to control the heating and liquefaction of the medium.

[0007] The heat source control device comprises a hot water or steam inlet pipe and a hot water or steam outlet pipe arranged at the top of the interface liquid level cylinder body, the hot water or steam inlet pipe is connected with an inlet valve, and the pipe between the hot water or steam inlet pipe and the hot water or steam outlet pipe extends into the outer protective sleeve.

[0008] A blowdown outlet valve is arranged beside the hot water or steam outlet pipe.

[0009] The patch temperature sensor signal is input to the controller, and the controller output end controls the opening and closing of the inlet valve and the blowdown outlet valve.

[0010] The controller is in communication connection with the DCS system.

[0011] The utility model provides a novel yellow phosphorus collection groove multi -medium coexistence interface liquid level meter, when yellow phosphorus collection groove internal temperature falls below 60 DEG C, through interface liquid level meter built -in patch type temperature sensor will measure data to DCS system, open hot water import valve, will heat transfer liquid level meter periphery, ensure that yellow phosphorus collection groove internal phosphorus mud and other impurities are liquid, realize the adjustment function according to setting temperature, ensure that yellow phosphorus storage groove amount implements monitoring and essential safety production. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings and examples:

[0013] Figure 1 It is the layout structure schematic drawing of the utility model yellow phosphorus collection groove multi -medium coexistence interface liquid level meter;

[0014] Figure 2 It is the electrical connection schematic diagram of controller.

[0015] In the drawing: interface liquid level cylinder body 1, outer protective sleeve 2, built -in strong magnetic float 3, hot water or steam import pipeline 4, hot water or steam export pipeline 5, import valve 6, blowdown export valve 7, transmitter 8, patch temperature sensor 9, controller 10. DETAILED DESCRIPTION

[0016] As shown in Figure 1 A novel yellow phosphorus collection groove multi -medium coexistence interface liquid level meter, including interface liquid level cylinder body 1, built -in strong magnetic float 3 is set on interface liquid level cylinder body 1 and with liquid level on the cylinder up and down floating, built -in strong magnetic float 3 senses interface liquid level cylinder body 1 liquid level sensing device and by the signal conversion of transmitter 8, interface liquid level cylinder body 1 outside is equipped with outer protective sleeve 2, outer protective sleeve 2 can allow liquid medium to flow into and act on built -in strong magnetic float 3, outer protective sleeve 2 is equipped with medium temperature rise softening device and keeps medium liquid.

[0017] The above-mentioned medium temperature rise softening device includes the patch temperature sensor 9 set in the outer protective sleeve 2, and the signal of the patch temperature sensor 9 is sent to the DCS system after being transmitted, and the outer protective sleeve 2 is provided with a heat source control device to detect the temperature in the outer protective sleeve 2 through the DCS system to control the heating and liquefaction of the medium.

[0018] The above-mentioned heat source control device includes the hot water or steam import pipeline 4 and the hot water or steam export pipeline 5 arranged at the top of the interface liquid level cylinder body 1, the hot water or steam import pipeline 4 is connected with the import valve 6, and the pipeline between the hot water or steam import pipeline 4 and the hot water or steam export pipeline 5 extends into the outer protective sleeve 2.

[0019] The hot water or steam export pipeline 5 is provided with a blowdown export valve 7 beside it.

[0020] As Figure 2 The patch temperature sensor 9 is connected to the controller 10, and the controller 10 controls the opening and closing of the inlet valve 6 and the sewage outlet valve 7.

[0021] The controller 10 is connected to the DCS system.

[0022] Embodiment 1:

[0023] A novel multi-medium coexisting interface liquid level meter for yellow phosphorus collection tank, comprising an interface liquid level cylinder 1, an outer protective sleeve 2, an inner strong magnetic float 3, a hot water or steam inlet pipeline 4, a hot water or steam outlet pipeline 5, a hot water inlet valve 6, a sewage outlet valve 7, a transmitter 8, a patch temperature sensor 9, and a DCS system 10.

[0024] The patch temperature sensor 9 is arranged in the outer protective sleeve 2, and detects the millivolt voltage signal and the interface liquid level meter transmitter 8, and the data is processed by the DCS system 10.

[0025] The sewage outlet valve 7 is arranged in the hot water outlet pipeline 5.

[0026] Further, the medium density of the float is 1.82 g / cm³.

[0027] Further, the hot water inlet valve is a pneumatic regulating valve, and the sewage outlet valve is a pneumatic valve, which are interlocked with the patch temperature sensor.

[0028] Further, the patch temperature sensor adopts PT100.

[0029] Further, the opening degree of the hot water inlet valve is automatically adjusted according to the detected temperature, so as to adjust the temperature around the liquid level meter.

[0030] Embodiment 2:

[0031] The liquid level meter described in Embodiment 1 is used, and the operation process is as follows: when the temperature of the measured yellow phosphorus collection tank is lower than 60℃ or the data of the interface liquid level meter is always in a static state during normal operation, the hot water inlet valve 5 and the hot water outlet pipeline 3 are arranged in the hot water or steam inlet pipeline 4, the valve is in an open state, and the sewage outlet valve 7 is in a closed state, until the detected liquid level returns to normal. When the hot water inlet valve 5 is in an open state, the patch temperature sensor 9 detects that the temperature continues to drop, and the DCS system 10 adjusts and processes to open the sewage outlet valve 7.

Claims

1. A new type of yellow phosphorus collecting tank multi-medium coexistence interface liquid level meter, characterized in that, Interface liquid level cylinder (1) is included, built-in strong magnetic float (3) is set on interface liquid level cylinder (1) and is floated with liquid level on cylinder, built-in strong magnetic float (3) is inducted to interface liquid level cylinder (1) liquid level sensing device and is converted signal by transmitter (8), interface liquid level cylinder (1) outside is equipped with outer protective sleeve (2), outer protective sleeve (2) can allow liquid medium to flow into and act on built-in strong magnetic float (3), outer protective sleeve (2) is equipped with medium temperature softening device and keeps medium to be liquid.

2. A novel yellow phosphorus collection tank multi-medium coexistence interface liquid level meter according to claim 1, characterized in that, The medium temperature softening device includes a patch temperature sensor (9) disposed in the outer protective sleeve (2), and the patch temperature sensor (9) sends a signal to the DCS system after conversion. The outer protective sleeve (2) is provided with a heat source control device at the upper end to detect the temperature in the outer protective sleeve (2) and control the heating and liquefaction of the medium through the DCS system.

3. A novel yellow phosphorus collection tank multi-medium coexistence interface liquid level meter according to claim 2, characterized in that, The heat source control device includes a hot water or steam inlet pipe (4) and a hot water or steam outlet pipe (5) disposed at the top of the interface liquid level cylinder (1). The hot water or steam inlet pipe (4) is connected with an inlet valve (6), and the hot water or steam inlet pipe (4) and the hot water or steam outlet pipe (5) extend into the outer protective sleeve (2).

4. A novel yellow phosphorus collection tank multi-medium coexistence interface liquid level meter according to claim 3, characterized in that, The hot water or steam outlet pipe (5) is provided with a blowdown outlet valve (7) beside it.

5. A novel yellow phosphorus collection tank multi-medium coexistence interface liquid level meter according to claim 4, characterized in that, The patch temperature sensor (9) signal is input to a controller (10), and the controller (10) output end controls the switch of the inlet valve (6) and the blowdown outlet valve (7).

6. A novel yellow phosphorus collection tank multi-medium coexistence interface liquid level meter according to claim 5, characterized in that, The controller (10) is in communication connection with the DCS system.

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