Automatic pressure relief system

Abstract

The utility model discloses an automatic pressure relief system which comprises a reaction kettle body, a steam conveying pipe, a cooling water feeding pipeline and a cooling water return pipeline, one end of the steam conveying pipe and one end of the cooling water feeding pipeline are jointly connected with a water-steam mixer, one end of the water-steam mixer is connected with a plurality of conveying pipelines, and the conveying pipelines are connected with the cooling water return pipeline. A coil pipe is arranged on the circumferential side wall in the reaction kettle body, one end of the conveying pipeline is connected to the coil pipe, one end of the cooling water return pipeline penetrates through the reaction kettle body and is connected to the coil pipe, a stirring mechanism is arranged on the reaction kettle body, a circulating water pump is installed on the cooling water feeding pipeline, and the cooling water return pipeline is connected to the circulating water pump. And a connecting pipe is connected between the cooling water feeding pipeline and the cooling water return pipeline. According to the utility model, the pressure of the system can be kept within the range required by the process, the stable operation of the whole system is ensured, the risk caused by the operation of workers can be reduced, the safety of the operation is ensured, the operation is simple, and the practicability, rapidity and convenience are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline pressure relief technical field especially relates to an automatic pressure relief system. BACKGROUND

[0002] When the reaction kettle is in reaction, constant temperature water needs to be passed to the disc pipe in the initial reaction, and cooling water needs to be passed to the disc pipe to cool the material after the reaction, when the disc pipe is passed with constant temperature water, the internal circulation pipe and the disc pipe pressure gradually rise due to the steam feed water heating of the pipeline heater, which brings hidden troubles to the operation and safety.

[0003] When the system pressure rises, manual opening of the bypass valve is needed to release pressure.

[0004] 1. inconvenient operation, difficult to control;

[0005] 2. if the bypass valve is not closed in time, it will lead to water shortage, instability of the constant temperature water system, and increase of the risk, therefore, the reaction kettle automatic pressure relief device is proposed to solve the above problems. INVENTION CONTENTS

[0006] The utility model discloses a kind of automatic pressure relief systems to solve the shortcomings in prior art.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] An automatic pressure relief system, including reaction kettle body, steam delivery pipe, cooling water upper water pipeline and cooling water backwater pipeline, the steam delivery pipe and the one end of cooling water upper water pipeline are connected with water vapor mixer, the one end of water vapor mixer is connected with multiple delivery pipelines, the one side wall in reaction kettle body is equipped with disc pipe, the one end of delivery pipeline is connected on disc pipe, the one end of cooling water backwater pipeline is through reaction kettle body and is connected on disc pipe, stirring mechanism is equipped on reaction kettle body, circulating water pump is installed on cooling water upper water pipeline, connecting pipe is connected between cooling water upper water pipeline and cooling water backwater pipeline, spare pipeline is equipped on steam delivery pipe, cooling water upper water pipeline and cooling water backwater pipeline, overflow valve is installed on the spare pipeline of cooling water backwater pipeline.

[0009] Preferably, the stirring mechanism includes a drive motor fixed to the upper end of the reaction kettle body, an output shaft of the drive motor is connected to a stirring rod at its end, the stirring rod extends into the reaction kettle body at its lower end, a plurality of connecting rods are connected to the stirring rod at equal intervals on its side wall, a plurality of stirring blades are fixed to one end of the connecting rods, and a plurality of protrusions are arranged on the stirring blades at equal intervals.

[0010] Preferably, the upper end of the reaction kettle body is provided with a feeding port.

[0011] Preferably, the conveying pipeline is composed of three fixed pipes.

[0012] Preferably, a valve group is installed on the standby pipeline, the steam conveying pipe, the cooling water up-pipeline and the cooling water back-pipeline.

[0013] In the utility model, when the coil pipe is supplied with constant temperature water, the circulating water pump is started, and the inner circulating water temperature is set, the pipeline heater heats and keeps constant temperature of the circulating water to the set water temperature, when cooling, the outer circulating cooling water pump is started, when the coil pipe of the reaction kettle is supplied with constant temperature water, in order to ensure constant temperature, the steam conveying pipe is used to add steam to the system, so that the pressure of the system is increased, when the pressure is increased to the set value of the overflow valve, the overflow valve is started (the thrust of water is greater than the spring pressure) to timely release pressure, so that automatic pressure relief is realized.

[0014] The utility model can keep the system pressure constant in the range of process requirement, ensures stable operation of the whole system, can reduce the risk brought by worker operation, ensures the safety of operation, and simultaneously operation is simple, and the practicality, rapidity and convenience are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the structural drawing of the utility model;

[0016] Fig. 2 It is the structural drawing of the stirring device of the utility model.

[0017] In the drawing: 1 driving motor, 2 reaction kettle body, 3 conveying pipeline, 4 water-steam mixer, 5 steam conveying pipe, 6 overflow valve, 7 standby pipeline, 8 connecting pipe, 9 cooling water up-pipeline, 10 circulating water pump, 11 feeding port, 12 cooling water back-pipeline, 13 stirring blade, 14 lug, 15 connecting rod, 16 stirring rod. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0019] Referring to Figs. 1-2 An automatic pressure relief system, comprising a reaction kettle body 2, a steam conveying pipe 5, a cooling water up-pipeline 9 and a cooling water back-pipeline 12, the steam conveying pipe 5 and the cooling water up-pipeline 9 are commonly connected with a water-steam mixer 4 at one end, which is used for mixing steam and cooling water to heat;

[0020] The water vapor mixer 4 is connected with a plurality of conveying pipes 3, the conveying pipes 3 are composed of three fixed pipes, a coil pipe is arranged on a side wall of the reaction kettle body 2, one end of the conveying pipe 3 is connected with the coil pipe, one end of the cooling water return pipe 12 penetrates through the reaction kettle body 2 and is connected with the coil pipe, the coil pipe sufficiently heats the material in the reaction kettle, meanwhile, the coil pipe is connected with the three fixed pipes of the conveying pipe 3, meanwhile, the output effect is good, the heating effect is improved, and meanwhile, the stability is ensured;

[0021] The reaction kettle body 2 is provided with a stirring mechanism, the stirring mechanism comprises a driving motor 1 fixed to the upper end of the reaction kettle body 2, an output shaft of the driving motor 1 is connected with a stirring rod 16, the lower end of the stirring rod 16 extends into the reaction kettle body 2, a plurality of connecting rods 15 are connected to a side wall of the stirring rod 16 at equal intervals, a stirring blade 13 is fixed to one end of the connecting rod 15, a plurality of protrusions 14 are arranged on the stirring blade 13 at equal intervals, the driving motor 1 drives the stirring rod 16 to rotate, and then drives the stirring blade 13 to rotate, so that the stirring and mixing effect is realized;

[0022] The cooling water supply pipe 9 is provided with a circulating water pump 10, the cooling water supply pipe 9 and the cooling water return pipe 12 are connected with a connecting pipe 8, the steam conveying pipe 5, the cooling water supply pipe 9 and the cooling water return pipe 12 are all provided with a standby pipe 7, the standby pipe 7 of the cooling water return pipe 12 is provided with an overflow valve 6, when the pressure increases to the set value of the overflow valve 6, the overflow valve 6 is started to timely release pressure, so that the automatic pressure relief is realized;

[0023] The upper end of the reaction kettle body 2 is provided with a feeding port 11, the standby pipe 7, the steam conveying pipe 5, the cooling water supply pipe 9 and the cooling water return pipe 12 are all provided with a valve group, in the circulation, the corresponding valve is selected to be closed according to the requirement, so that the internal circulation is realized.

[0024] In the utility model, when the coil pipe is supplied with constant temperature water, the circulating water pump 10 is started, meanwhile, the internal circulation water temperature is set, the pipe heater heats and keeps constant temperature of the circulating water to the set water temperature, when the temperature is lowered, the external circulation cooling water pump is started, when the constant temperature water is supplied to the coil pipe of the reaction kettle, in order to ensure the constant temperature, the steam conveying pipe 5 is used to add steam to the system, so that the pressure of the system is increased, when the pressure increases to the set value of the overflow valve 6, the overflow valve 6 is started (the water thrust is greater than the spring pressure) to timely release pressure, so that the automatic pressure relief is realized.

[0025] The above only describes the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An automatic pressure relief system comprising a reactor vessel body (2), a steam delivery pipe (5), a cooling water supply pipe (9) and a cooling water return pipe (12), characterized by, The steam delivery pipe (5) and the cooling water inlet pipe (9) are connected with a water-steam mixer (4) at one end, one end of the water-steam mixer (4) is connected with a plurality of delivery pipes (3), a coil pipe is arranged on a side wall of the reaction kettle body (2), one end of the delivery pipe (3) is connected with the coil pipe, one end of the cooling water outlet pipe (12) penetrates through the reaction kettle body (2) and is connected with the coil pipe, a stirring mechanism is arranged on the reaction kettle body (2), a circulating water pump (10) is arranged on the cooling water inlet pipe (9), a connecting pipe (8) is connected between the cooling water inlet pipe (9) and the cooling water outlet pipe (12), the steam delivery pipe (5), the cooling water inlet pipe (9) and the cooling water outlet pipe (12) are all provided with a standby pipe (7), and an overflow valve (6) is arranged on the standby pipe (7) of the cooling water outlet pipe (12).

2. An automatic pressure relief system according to claim 1, wherein: The stirring mechanism comprises a driving motor (1) fixed on the upper end of the reaction kettle body (2), an output shaft of the driving motor (1) is connected with a stirring rod (16) at the tail end, the stirring rod (16) extends to the inside of the reaction kettle body (2) at the lower end, a plurality of connecting rods (15) are connected on a side wall of the stirring rod (16) at equal intervals, a stirring blade (13) is fixed on one end of the connecting rod (15), and a plurality of protrusions (14) are arranged on the stirring blade (13) at equal intervals.

3. An automatic pressure relief system according to claim 1, wherein: One side of the upper end of the reaction kettle body (2) is provided with a feeding port (11).

4. An automatic pressure relief system according to claim 1, wherein: The delivery pipe (3) is composed of three fixed pipes.

5. An automatic pressure relief system according to claim 1, wherein: Valve groups are arranged on the standby pipe (7), the steam delivery pipe (5), the cooling water inlet pipe (9) and the cooling water outlet pipe (12).

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