Safety gas relief device for chemical equipment

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a chemical equipment gas safety relief device which comprises a pressure relief tank, an exhaust pipe, a gas distribution mechanism, a sealing mechanism and a spraying mechanism. The pressure relief tank communicates with an air inlet pipe, and the air inlet pipe penetrates through the pressure relief tank and extends into the pressure relief tank. The exhaust pipe is communicated with the top of the pressure relief tank; the gas distribution mechanism is arranged in the pressure relief tank and used for dispersing gas entering the pressure relief tank, and the gas inlet pipe is communicated with the gas distribution mechanism; the sealing mechanism is arranged in the pressure relief tank and used for preventing liquid in the pressure relief tank from entering the gas distribution mechanism; and the spraying mechanism is arranged in the pressure relief tank. Through the arrangement of the gas distribution mechanism, discharged gas is scattered by the rotating gas distribution pipe and then enters the cooling liquid in the pressure relief tank, soluble substances carried in the discharged gas are absorbed, gas overflowing the cooling liquid is subjected to secondary cooling through spraying of the spraying mechanism, and the treatment effect on the discharged gas is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical equipment technical field, concretely relates to a chemical equipment gas safety relief device. BACKGROUND

[0002] Chemical equipment, the general term of machine and equipment used in chemical industry production, in the chemical production process, leakage accident may occur, when the chemical production leakage accident occurs, a large amount of gas-liquid mixed dangerous material will be produced, which will greatly increase the production load of flare system, thus is not suitable for relief through the flare system, if the direct relief of these dangerous material is discharged in place, serious consequences will be produced.

[0003] The Chinese patent with the publication number CN219121132U discloses a chemical equipment gas safety relief device, which comprises a base, a relief tank is fixedly installed on the top surface of the base, a feed pipe is arranged on the outer wall surface of the relief tank, a supply pipe is fixedly installed on the inner top of the base, a connecting pipe one is fixedly installed on the outer wall surface of the supply pipe, the high-temperature gas-liquid two-phase material is introduced into the inner part of the relief tank through the feed pipe, at this time, the circulating pump is started, the cooling water in the liquid storage tank is introduced into the inner part of the connecting pipe two, and then is introduced into the connecting pipe one and the supply pipe through the connecting pipe two, and is sprayed through the spray head, the gas-liquid two-phase material is separated and cooled through the spraying of the spray head, the non-condensable gas and the water vapor are transported to the flare system through the gas inlet pipe on the top of the relief tank, the production load of the flare system is reduced, and the pollution of the gas-liquid two-phase material to the environment is reduced.

[0004] However, the above technical solution has the following disadvantages: the feed pipe is directly introduced into the relief tank, and only the cooling water sprayed by the spray head is used to cool the gas in the relief tank, the gas and the cooling liquid sprayed by the spray head cannot be fully contacted, the cooling effect is not obvious, and the practicability is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides a chemical equipment gas safety relief device.

[0006] The technical scheme of the utility model: a chemical equipment gas safety relief device, comprising:

[0007] A pressure relief tank is communicated with a gas inlet pipe, the gas inlet pipe penetrates through the pressure relief tank and extends to the inner part of the pressure relief tank;

[0008] An exhaust pipe is communicated with the top of the pressure relief tank;

[0009] A gas distribution mechanism is arranged in the pressure relief tank and is used for dispersing the gas entering the pressure relief tank, and the gas inlet pipe is communicated with the gas distribution mechanism.

[0010] A sealing mechanism is arranged in the pressure relief tank to prevent liquid in the pressure relief tank from entering the air distribution mechanism;

[0011] A spraying mechanism is arranged in the pressure relief tank for spraying operation, one end of the spraying mechanism is arranged in the upper half of the pressure relief tank, and the other end of the spraying mechanism is in communication with the pressure relief tank.

[0012] Preferably, the air distribution mechanism comprises a mounting cylinder, a mounting pipe, air distribution pipes and power impellers; the mounting cylinder is fixedly arranged at the bottom of the inner wall of the pressure relief tank, the air inlet pipe is in communication with the mounting cylinder, the mounting pipe is rotatably arranged in the mounting cylinder, one end of the mounting pipe penetrates through the mounting cylinder and extends to the outside of the mounting cylinder, a plurality of air distribution pipes are arranged, one end of each air distribution pipe is in communication with the mounting pipe, a plurality of air distribution holes are arranged on the surface of each air distribution pipe, the power impellers are movably arranged in the mounting cylinder, the power impellers are fixedly connected with the mounting pipe.

[0013] Preferably, a gas permeation hole is arranged on the surface of the mounting pipe and located in the mounting cylinder, and the gas permeation hole is located between two adjacent power impellers.

[0014] Preferably, the sealing mechanism comprises a limiting ring, pre-tightening springs, a dynamic sealing ring and a static sealing ring; the limiting ring is fixedly connected with the mounting pipe, the pre-tightening springs are arranged, one end of each pre-tightening spring is fixedly connected with the limiting ring, the dynamic sealing ring is slidably connected with the mounting pipe, the static sealing ring is sleeved on the mounting pipe and fixedly connected with the mounting cylinder, and the dynamic sealing ring is in close contact with the static sealing ring under the action of the pre-tightening springs.

[0015] Preferably, the spraying mechanism comprises a circulating pump, a water inlet pipe, a water delivery pipe and a spraying assembly; the circulating pump is arranged outside the pressure relief tank, one end of the water inlet pipe is in communication with the inlet of the circulating pump, the other end of the water inlet pipe penetrates through the pressure relief tank and extends to the inside of the pressure relief tank, one end of the water delivery pipe is in communication with the outlet of the circulating pump, the other end of the water delivery pipe penetrates through the pressure relief tank and extends to the inside of the pressure relief tank, the spraying assembly is arranged in the pressure relief tank, and the water delivery pipe is in communication with the spraying assembly.

[0016] Preferably, the spraying assembly comprises a spraying pipe and atomizing nozzles; the spraying pipe is in communication with the water delivery pipe, and the atomizing nozzles are arranged, and the atomizing nozzles are in communication with the spraying pipe.

[0017] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0018] This invention utilizes a gas distribution mechanism to disperse the released gas through a rotating gas distribution pipe into the coolant inside the pressure relief tank. The released gas comes into full contact with the coolant, allowing the coolant to cool the gas and absorb any soluble substances carried in it. The gas overflowing from the coolant undergoes secondary cooling through a spraying mechanism, further improving the treatment effect on the released gas. Attached Figure Description

[0019] Fig. 1 This is a perspective view of one embodiment of the present invention;

[0020] Fig. 2 This is a cross-sectional view of one embodiment of the present invention;

[0021] Fig. 3 This is a cross-sectional view of the air distribution mechanism in one embodiment of the present invention;

[0022] Fig. 4 This is a perspective view of the air distribution mechanism in one embodiment of the present invention;

[0023] Fig. 5 This is a perspective view of the sealing mechanism in one embodiment of the present invention.

[0024] Reference numerals in the attached diagram: 1. Pressure relief tank; 2. Air inlet pipe; 31. Mounting cylinder; 32. Mounting pipe; 33. Air distribution pipe; 34. Power impeller; 35. Vent hole; 41. Limiting ring; 42. Preload spring; 43. Dynamic sealing ring; 44. Static sealing ring; 51. Circulating pump; 52. Water inlet pipe; 53. Water delivery pipe; 54. Spray assembly; 541. Spray pipe; 542. Atomizing nozzle; 6. Exhaust pipe. Detailed Implementation

[0025] Example 1

[0026] like Figs. 1-5 As shown, the present invention proposes a gas safety relief device for chemical equipment, which includes a pressure relief tank 1, an exhaust pipe 6, a gas distribution mechanism, a sealing mechanism, and a spraying mechanism.

[0027] The pressure relief tank 1 is connected to an air inlet pipe 2, which passes through the pressure relief tank 1 and extends into the interior of the pressure relief tank 1.

[0028] The exhaust pipe 6 is connected to the top of the pressure relief tank 1;

[0029] The gas distribution mechanism is installed inside the pressure relief tank 1 to disperse the gas entering the pressure relief tank 1, and the air inlet pipe 2 is connected to the gas distribution mechanism.

[0030] A sealing mechanism is installed inside the pressure relief tank 1 to prevent liquid inside the pressure relief tank 1 from entering the gas distribution mechanism;

[0031] The spraying mechanism is installed inside the pressure relief tank 1 for spraying operations. One end of the spraying mechanism is located in the upper half of the pressure relief tank 1, and the other end of the spraying mechanism is connected to the pressure relief tank 1.

[0032] Example 2

[0033] like Figs. 2-4 As shown, this utility model proposes a gas safety relief device for chemical equipment. Compared with Embodiment 1, this embodiment also specifically discloses the structure of the gas distribution mechanism. The gas distribution mechanism includes an installation cylinder 31, an installation pipe 32, a gas distribution pipe 33, and a power impeller 34. The installation cylinder 31 is fixedly installed at the bottom of the inner wall of the pressure relief tank 1. The inlet pipe 2 is connected to the installation cylinder 31. The installation pipe 32 is rotatably installed inside the installation cylinder 31. A one-way valve is installed inside the installation pipe 32 to prevent liquid in the pressure relief tank 1 from entering the installation cylinder 31. One end of the 1 penetrates through the mounting cylinder 31 and extends to the outside of the mounting cylinder 31. Multiple air distribution pipes 33 are provided. One end of the air distribution pipe 33 is connected to the mounting pipe 32. Multiple air distribution holes are opened through the surface of the air distribution pipe 33. Multiple power impellers 34 are movably disposed inside the mounting cylinder 31. Power impellers 34 are provided. Power impellers 34 are fixedly connected to the mounting pipe 32. A vent hole 35 is opened through the surface of the mounting pipe 32 and inside the mounting cylinder 31. The vent hole 35 is located between two connected power impellers 34.

[0034] Example 3

[0035] like Figs. 3-5 As shown, this utility model proposes a gas safety relief device for chemical equipment. Compared with Embodiment 2, this embodiment also specifically discloses the structure of the sealing mechanism. The sealing mechanism includes a limiting ring 41, a pre-tightening spring 42, a dynamic sealing ring 43, and a static sealing ring 44. The limiting ring 41 is fixedly connected to the mounting pipe 32. Multiple pre-tightening springs 42 are provided. One end of the pre-tightening spring 42 is fixedly connected to the limiting ring 41. The dynamic sealing ring 43 is slidably connected to the mounting pipe 32. The static sealing ring 44 is sleeved on the mounting pipe 32 and fixedly connected to the mounting cylinder 31. The dynamic sealing ring 43 fits against the static sealing ring 44 under the action of the pre-tightening spring 42.

[0036] Example 4

[0037] like Figs. 1-2As shown, this utility model discloses a gas safety relief device for chemical equipment. Compared with Embodiment 3, this embodiment further discloses the structure of a spraying mechanism. The spraying mechanism includes a circulating pump 51, an inlet pipe 52, a water delivery pipe 53, and a spraying assembly 54. The circulating pump 51 is installed outside the pressure relief tank 1 and is connected to the control system and power supply via wires. One end of the inlet pipe 52 is connected to the inlet of the circulating pump 51, and the other end of the inlet pipe 52 passes through the pressure relief tank 1 and extends... Inside the pressure relief tank 1, one end of the water supply pipe 53 is connected to the outlet of the circulating pump 51, and the other end of the water supply pipe 53 passes through the pressure relief tank 1 and extends into the interior of the pressure relief tank 1. The spray assembly 54 is installed inside the pressure relief tank 1, and the water supply pipe 53 is connected to the spray assembly 54. The spray assembly 54 includes a spray pipe 541 and an atomizing nozzle 542. The spray pipe 541 is connected to the water supply pipe 53, and multiple atomizing nozzles 542 are provided. The atomizing nozzles 542 are connected to the spray pipe 541.

[0038] In the event of a leak, the released gas enters the mounting cylinder 31 through the inlet pipe 2. As the gas enters the mounting cylinder 31 through the inlet pipe 2, it drives the power impeller 34 and the mounting pipe 32 to rotate together. The rotation of the mounting pipe 32 drives the gas distribution pipe 33 to rotate together. The gas in the mounting cylinder 31 enters the mounting pipe 32 through the vent hole 35, then enters the gas distribution pipe 33, and is discharged into the liquid in the pressure relief tank 1 through the gas distribution hole. The circulating pump 51 works to send the liquid into the spray pipe 541 through the water inlet pipe 52 and the water delivery pipe 53, and then sprays it out through the atomizing nozzle 542 to spray the gas that has overflowed from the liquid. The treated gas is sent to the flare system through the exhaust pipe 6.

[0039] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A gas safety relief device for chemical plants, characterized by, The utility model relates to a pressure relief tank, which comprises an air inlet pipe (2) penetrating through the pressure relief tank (1) and extending into the pressure relief tank (1), an exhaust pipe (6) communicating with the top of the pressure relief tank (1), a gas distribution mechanism arranged in the pressure relief tank (1) for dispersing the gas entering the pressure relief tank (1), the air inlet pipe (2) communicating with the gas distribution mechanism, the gas distribution mechanism comprising a mounting cylinder (31), a mounting pipe (32), a plurality of gas distribution pipes (33) and a plurality of power impellers (34), the mounting cylinder (31) being fixedly arranged at the bottom of the inner wall of the pressure relief tank (1), the air inlet pipe (2) communicating with the mounting cylinder (31), the mounting pipe (32) being rotatably arranged in the mounting cylinder (31), one end of the mounting cylinder (31) penetrating through the mounting cylinder (31) and extending outside the mounting cylinder (31), the plurality of gas distribution pipes (33) being arranged, one end of each of the gas distribution pipes (33) communicating with the mounting pipe (32), a plurality of gas distribution holes being formed in the surface of each of the gas distribution pipes (33), the plurality of power impellers (34) being movably arranged in the mounting cylinder (31), the plurality of power impellers (34) being fixedly connected with the mounting pipe (32), a sealing mechanism arranged in the pressure relief tank (1) for preventing the liquid in the pressure relief tank (1) from entering the gas distribution mechanism, the sealing mechanism comprising a limiting ring (41), a plurality of pre-tightening springs (42), a dynamic sealing ring (43) and a static sealing ring (44), the limiting ring (41) being fixedly connected with the mounting pipe (32), one end of each of the plurality of pre-tightening springs (42) being fixedly connected with the limiting ring (41), the dynamic sealing ring (43) being slidably connected with the mounting pipe (32), the static sealing ring (44) being sleeved on the mounting pipe (32) and fixedly connected with the mounting cylinder (31), the dynamic sealing ring (43) being in abutment with the static sealing ring (44) under the action of the pre-tightening spring (42), a spraying mechanism arranged in the pressure relief tank (1) for spraying operation, one end of the spraying mechanism being arranged in the upper half of the pressure relief tank (1), the other end of the spraying mechanism communicating with the pressure relief tank (1). A plurality of air permeation holes (35) are formed in the surface of the mounting pipe (32) and located in the interior of the mounting cylinder (31), the air permeation holes (35) being located between two adjacent power impellers (34). The spraying mechanism comprises a circulating pump (51), a water inlet pipe (52), a water delivery pipe (53) and a spraying assembly (54), the circulating pump (51) being arranged outside the pressure relief tank (1), one end of the water inlet pipe (52) communicating with the inlet of the circulating pump (51), the other end of the water inlet pipe (52) penetrating through the pressure relief tank (1) and extending into the pressure relief tank (1), one end of the water delivery pipe (53) communicating with the outlet of the circulating pump (51), the other end of the water delivery pipe (53) penetrating through the pressure relief tank (1) and extending into the pressure relief tank (1), the spraying assembly (54) being arranged in the pressure relief tank (1), the water delivery pipe (53) communicating with the spraying assembly (54). ​ ​ 2. A gas relief device for a chemical plant according to claim 1, characterized in that ​ 3. A gas relief device for chemical plant according to claim 1, characterized in that ​ 4. A gas relief device for chemical plant according to claim 3, characterized in that The spraying assembly (54) comprises a spraying pipe (541) and atomizing nozzles (542); the spraying pipe (541) is communicated with the water supply pipe (53), and the atomizing nozzles (542) are provided in plurality, and the atomizing nozzles (542) are communicated with the spraying pipe (541).

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