CN218441796U

CN218441796U - High-temperature high-pressure steam flow emergency stop pressure relief and temperature reduction device

Info

Publication number: CN218441796U
Application number: CN202222639770.3U
Authority: CN
Inventors: 朱惟; 忻鑫磊
Original assignee: Zhejiang Hongshiliang Group Thermal Power Co ltd
Current assignee: Zhejiang Hongshiliang Group Thermal Power Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-03
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a high-temperature high-pressure steam flow emergency stopping pressure relief and cooling device, which belongs to the field of pressure relief and cooling devices, and comprises a pressure relief tank body and a slow flow tank arranged below the pressure relief tank body, wherein a flow inlet pipe is fixedly arranged on the front surface of the slow flow tank, a slow flow component is arranged in the slow flow tank, an air inlet pipe is fixedly arranged on the front surface of the pressure relief tank body, a pressure relief pipe is fixedly arranged on the left side of the pressure relief tank body, and a pressure relief component is arranged in the pressure relief tank body; the novel pressure relief tank can buffer the air flow in the pressure relief tank, avoids high-temperature and high-pressure steam flow entering the pressure relief tank from scouring the inner wall of the pressure relief tank, causes great potential safety hazards to the pressure relief tank after long-term use, and avoids the contact of cooling gas inside the pressure relief tank and the high-temperature and high-pressure steam flow, so that the pressure inside the pressure relief tank is rapidly increased, and the accident that the storage tank is easily subjected to boiling liquid expansion steam explosion is caused.

Description

High-temperature high-pressure steam flow emergency stop pressure relief and temperature reduction device

Technical Field

The utility model relates to a release heat sink technical field, more specifically say, relate to high temperature high pressure steam flow emergency shutdown release heat sink.

Background

In the matching equipment of a high-temperature high-pressure device or system, for the purpose of emergency stop or emergency maintenance, a pressure relief and temperature reduction device is often matched, the pressure relief and temperature reduction device usually uses a pressure relief tank, cooling gas is filled in the pressure relief tank, and the pressure relief tank is used for rapidly expanding the volume to realize the temperature reduction and pressure reduction treatment of high-temperature high-pressure steam flow.

Because the high-temperature and high-pressure steam flow entering the pressure relief tank washes the inner wall of the pressure relief tank, the pressure relief tank has larger potential safety hazard after long-term use, and the cooling gas inside the pressure relief tank is in contact with the high-temperature and high-pressure steam flow, so that the pressure inside the pressure relief tank is rapidly increased, the storage tank is easily subjected to accident of boiling liquid expansion steam explosion, and even huge casualties and property loss can be caused, therefore, the high-temperature and high-pressure steam flow emergency shutdown pressure relief and temperature reduction device is provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims to provide a high temperature high pressure steam flow emergency shutdown release heat sink, it can realize carrying out the buffering processing to the air current in the release jar, avoid entering into the high temperature in the release jar, highly compressed steam flow erodees the inner wall of release jar, long-term use leads to great potential safety hazard to appear in the release jar, and avoid inside cooling gas of release jar and high temperature, highly compressed steam flow contacts, make release jar internal pressure rise rapidly, very easily lead to the occurence of failure of storage tank emergence boiling liquid inflation steam explosion.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

High temperature high pressure steam flow emergency shutdown release heat sink, including the release jar body and set up the slow flow jar in the release jar body below, the preceding fixed inflow pipe that is provided with of slow flow jar, the inside of slow flow jar is provided with the slow flow subassembly, the preceding fixed intake pipe that is provided with of the release jar body, the fixed pressure release pipe that is provided with on the left side of the release jar body, the inside of the release jar body is provided with the release subassembly.

Furthermore, the flow slowing assembly comprises a plurality of arc-shaped baffle plates arranged at the bottom of the inner side of the flow slowing tank, one side of each arc-shaped baffle plate is fixedly connected with the side wall of the flow slowing tank, the arc-shaped baffle plates are arranged at intervals, a baffle is arranged inside the flow slowing tank, the bottom of the baffle is fixedly connected with the tops of the arc-shaped baffle plates, and a through groove is formed in the rear of the baffle.

Furthermore, a reinforcing rib is arranged between the arc baffle plate and the bottom of the inner side of the slow flow tank.

Furthermore, the pressure relief assembly comprises a pressure relief plate in sliding connection with the inner wall of the pressure relief tank body, a connecting rod is fixedly arranged above the pressure relief plate, a connecting through pipe is fixedly arranged above the pressure relief tank body, the connecting rod is in sliding connection with the inner wall of the connecting through pipe, a spring is arranged above the inner part of the connecting through pipe, and the other end of the spring is fixedly connected with the connecting rod.

Furthermore, a gasket is arranged on the upper periphery of the side surface of the pressure relief plate.

Furthermore, a plurality of anti-scouring plates are uniformly arranged on the inner wall of the flow inlet pipe.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) In this technical scheme, evenly set up a plurality of anti-scouring boards of stabilizing on the inner wall through the admission pipe, carry out the reposition of redundant personnel to the high temperature that the admission pipe enters into in the slow flow jar, high-pressure steam flow and handle, slow down the impact that high temperature, high-pressure steam enter into at the slow flow jar.

(2) In the technical scheme, the structure of the slow flow component is matched with the structure of the pressure relief component, so that the cooling gas in the pressure relief tank is prevented from contacting with high-temperature and high-pressure steam flow, the pressure in the pressure relief tank is rapidly increased, and the storage tank is easily subjected to the accident of boiling liquid expansion steam explosion.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is a schematic view of the internal structure of the slow flow tank.

The reference numbers in the figures illustrate:

1. a pressure relief tank body; 2. a slow flow tank; 3. an inlet pipe; 4. an air inlet pipe; 5. a pressure relief pipe; 6. an arc baffle plate; 7. a baffle plate; 8. a through groove; 9. unloading the pressing plate; 10. a connecting rod; 11. connecting a through pipe; 12. a spring; 13. a gasket; 14. an impact-resistant brushing plate.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Example (b):

referring to fig. 1-5, the high-temperature high-pressure steam flow emergency stop pressure relief and temperature reduction device comprises a pressure relief tank body 1 and a slow flow tank 2 arranged below the pressure relief tank body 1, wherein the pressure relief tank body 1 and the slow flow tank 2 are made of an alloy containing Mn13 and Mn13Cr2, so that the pressure relief tank body 1 and the slow flow tank 2 have good pressure resistance and corrosion resistance, and further the use safety of the pressure relief tank body 1 and the slow flow tank 2 is improved, a flow inlet pipe 3 is fixedly arranged on the front surface of the slow flow tank 2 and used for enabling high-temperature high-pressure steam flow to flow into the device, a slow flow component is arranged inside the slow flow tank 2 and used for carrying out slow flow treatment on the high-temperature high-pressure steam flow flowing into the slow flow pipe, so that the high-temperature high-pressure steam flow entering the pressure relief tank flushes the inner wall of the pressure relief tank, and thus avoiding great potential safety hazards of the pressure relief tank due to long-term use, an air inlet pipe 4 is fixedly arranged on the front surface of the pressure relief tank body 1 and used for filling cooling air into the pressure relief tank body 1 so as to avoid the high-temperature steam flow and the pressure relief tank interior to be contacted with the high-temperature steam flow.

Referring to fig. 2 and 5, the slow flow assembly comprises a plurality of arc-shaped baffle plates 6 arranged at the bottom of the inner side of the slow flow tank 2, one sides of the arc-shaped baffle plates 6 are fixedly connected with the side wall of the slow flow tank 2, the arc-shaped baffle plates 6 are arranged at intervals, a baffle 7 is arranged inside the slow flow tank 2, the bottom of the baffle 7 is fixedly connected with the tops of the arc-shaped baffle plates 6, a through groove 8 is formed in the rear portion of the baffle 7, and through the structural arrangement of the slow flow assembly, the arc-shaped baffle plates 6 and the baffle plate 7 form a zigzag flow channel in the slow flow tank 2, high-temperature and high-pressure steam constantly generates baffling, collision and overturning in the flowing process, impact energy carried by steam flow is greatly consumed, so that high-temperature and high-pressure steam flow is buffered, high temperature in the pressure in a pressure relief tank is prevented from entering the high-temperature steam flow, the inner wall of the pressure relief tank is prevented from being scoured by the high-pressure steam flow, and great potential safety hazard of the relief tank caused by long-term use is avoided.

Referring to fig. 2 and 4, a reinforcing rib is arranged between the arc-shaped baffle plate 6 and the inner bottom of the slow flow tank 2, so that the stability of the arc-shaped baffle plate 6 arranged at the inner bottom of the slow flow tank 2 is improved, and the impact resistance of the arc-shaped baffle plate 6 is further improved.

Referring to fig. 2 and 3, the pressure relief assembly includes a pressure relief plate 9 slidably connected to an inner wall of the pressure relief tank body 1, a connecting rod 10 is fixedly disposed above the pressure relief plate 9, a connecting through pipe 11 is fixedly disposed above the pressure relief tank body 1, the connecting rod 10 is slidably connected to the inner wall of the connecting through pipe 11, a spring 12 is disposed above an inner portion of the connecting through pipe 11, another end of the spring 12 is fixedly connected to the connecting rod 10, after the high-temperature and high-pressure steam flow entering the slow flow tank 2 through the slow flow assembly is subjected to slow flow treatment, the steam flow enters the pressure relief tank body 1 through the through groove 8, pressure in the pressure relief tank body 1 is increased, the pressure relief plate 9 is moved upward, the spring 12 is deformed, the connecting rod 10 and the connecting through pipe 11 are stably moved to buffer the steam flow, and then the steam flow is discharged out of the pressure relief tank body 1 through the pressure relief pipe 5, so that the high-temperature and high-pressure steam flow is stopped urgently, and the pressure cooling gas in the pressure relief tank is prevented from contacting with the high-temperature and high-pressure steam flow, so that the pressure relief accident of the boiling liquid expansion steam in the pressure relief tank is rapidly increased.

Referring to fig. 2, the gasket 13 is disposed on the upper periphery of the side surface of the pressure relief plate 9, the gasket 13 is made of fluorosilicone rubber, and has a high heat resistance and stability, and can maintain a good tensile property after several hundred hours at 288 ℃, so that the pressure relief plate 9 is pushed more stably by high-temperature and high-pressure steam, and the pressure relief effect of the pressure relief plate 9 is further improved.

Referring to fig. 2 and 4, a plurality of anti-impact brushing plates 14 are uniformly arranged on the inner wall of the inflow pipe 3, so that high-temperature and high-pressure steam flow entering the slow flow tank 2 from the inflow pipe 3 is subjected to shunting treatment, the impact of the high-temperature and high-pressure steam entering the slow flow tank 2 is relieved, and the effect of relieving the pressure of the high-temperature and high-pressure steam flow in the later period is further improved.

When in use: the high-temperature high-pressure steam flow entering the slow flow tank 2 through the inflow pipe 3 is divided by uniformly arranging a plurality of stable anti-impact brush plates 14 on the inner wall of the inflow pipe 3, the impact of the high-temperature high-pressure steam entering the slow flow tank 2 is relieved, the structure arrangement of the slow flow assembly is matched with the structure arrangement of the pressure relief assembly, a plurality of arc-shaped baffle plates 6 and baffle plates 7 form a zigzag flow channel in the slow flow tank 2, the high-temperature high-pressure steam continuously generates baffling, collision and overturning in the flowing process, the impact energy carried by the steam flow is greatly consumed, the high-temperature high-pressure steam flow is buffered, the steam flow enters the pressure relief tank body 1 through the through grooves 8, the pressure in the pressure relief tank body 1 is increased, the pressure relief plate 9 is moved upwards, the spring 12 is deformed, the connecting rod 10 and the connecting through pipe 11 stably move to buffer the steam flow, the steam flow is discharged out of the pressure relief tank body 1 through the pressure relief pipe 5, the high-temperature high-pressure steam flow emergency stop and pressure relief is realized, the cooling gas in the pressure relief tank is prevented from contacting with the high-temperature pressure relief tank, the pressure steam flow is rapidly increased, and the steam flow in the pressure relief tank, and the steam storage tank is extremely easily expanded to cause boiling accident.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. High temperature high pressure steam flow emergency shutdown release heat sink, including the release jar body (1) and set up in the slow-flow jar (2) of the release jar body (1) below, its characterized in that: the utility model discloses a pressure relief device, including a slow flow jar body (1), the preceding fixed inflow pipe (3) that is provided with of slow flow jar (2), the inside of slow flow jar (2) is provided with the slow flow subassembly, the preceding fixed intake pipe (4) that is provided with of the pressure relief jar body (1), fixed pressure relief pipe (5) that is provided with on the left side of the pressure relief jar body (1), the inside of the pressure relief jar body (1) is provided with the release subassembly.

2. The high temperature high pressure steam flow emergency shutdown pressure relief heat sink of claim 1, wherein: the slow flow component comprises a plurality of arc-shaped baffle plates (6) arranged at the bottom of the inner side of the slow flow tank (2), one side of each arc-shaped baffle plate (6) is fixedly connected with the side wall of the slow flow tank (2), the arc-shaped baffle plates (6) are arranged at intervals, a baffle (7) is arranged inside the slow flow tank (2), the bottom of the baffle (7) is fixedly connected with the tops of the arc-shaped baffle plates (6), and a through groove (8) is formed in the rear portion of the baffle (7).

3. The high temperature, high pressure steam flow emergency shutdown pressure relief heat sink of claim 2, wherein: and a reinforcing rib is arranged between the arc baffle plate (6) and the bottom of the inner side of the slow flow tank (2).

4. The high temperature, high pressure steam flow emergency shutdown, pressure relief, and temperature reduction device of claim 1, wherein: the release subassembly include with the inner wall of the release jar body (1) carries out sliding connection's release board (9), the fixed connecting rod (10) that is provided with in top of release board (9), the fixed connecting tube (11) that is provided with in top of the release jar body (1), connecting rod (10) with sliding connection is carried out to the inner wall of connecting tube (11), the inside top of connecting tube (11) is provided with spring (12), the other end of spring (12) with connecting rod (10) fixed connection.

5. The high temperature, high pressure steam flow emergency shutdown pressure relief heat sink of claim 4, wherein: and a gasket (13) is arranged on the upper periphery of the side surface of the pressure relief plate (9).

6. The high temperature, high pressure steam flow emergency shutdown, pressure relief, and temperature reduction device of claim 1, wherein: a plurality of anti-impact brushing plates (14) are uniformly arranged on the inner wall of the flow inlet pipe (3).