CN-122006455-A - Acetylene gas production purification device

CN122006455ACN 122006455 ACN122006455 ACN 122006455ACN-122006455-A

Abstract

The invention discloses an acetylene gas production purification device, which relates to the technical field of purification devices and comprises a purification tank, a replacement tank, an acetylene inlet pipe and an acetylene outlet pipe which are sleeved on the purification tank, and a new liquid feeding pipe, a new liquid discharging pipe and a waste liquid recovery pipe which are sleeved outside the replacement tank. The silver nitrate solution after the reaction just can discharge to retrieve the chamber, the suspension board can follow the liquid level upwards, after the silver nitrate solution after the reaction discharges a part, the suspension board upwards pushes up the control lever and makes the putty plate no longer to new liquid discharging pipe shutoff, new silver nitrate solution just adds the purification jar, after the silver nitrate solution after most reactions got into the chamber of retrieving, the suspension board drives the slider and upwards moves, make the fixture block no longer to the closing plate location, the closing plate resets through first spring, can continue to acetylene purification after new silver nitrate solution gets into the purification jar in a large number, realize the device can carry out the effect of automatic discharge change according to the real-time reaction degree of silver nitrate solution, compared with prior art has the more accurate advantage of change opportunity.

Inventors

WANG SHUWEN
XU JIHUA
WANG MAOBIN
HUANG YUFEI
DONG MEI
LI JUN

Assignees

芜湖市永泰特种气体有限公司

Dates

Publication Date: 20260512
Application Date: 20260403

Claims (9)

1. The utility model provides an acetylene gas production purification device, includes purification jar (1), displacement jar (6), locates acetylene intake pipe (2) and acetylene outlet duct (3) on purification jar (1) and locates outside new liquid inlet pipe (71), new liquid discharging pipe (72) and waste liquid recovery pipe (81) of displacement jar (6), and its characterized in that still includes: The waste liquid discharge pipe (5) is communicated between the purification tank (1) and the replacement tank (6), a new liquid cavity (7) for storing silver nitrate solution and a recovery cavity (8) for storing reaction waste liquid of the purification tank (1) are arranged in the replacement tank (6), the new liquid discharge pipe (72) is communicated with the new liquid cavity (7) and the inner cavity of the purification tank (1), and the waste liquid discharge pipe (5) is communicated with the recovery cavity (8) and the inner cavity of the purification tank (1); The sealing plate (4) is hermetically arranged at a position lower than the acetylene inlet pipe (2) in the purification tank (1), the movement mode of the sealing plate (4) is that the sealing plate moves downwards along with the weight increase of silver nitrate solution reaction products, and the automatic waste liquid discharge operation of the waste liquid discharge pipe (5) is started; the suspension plate (82) is arranged in the recovery cavity (8) and moves in a way of lifting along with the liquid level of the waste liquid; The automatic liquid adding mechanism is arranged between the new liquid cavity (7) and the recovery cavity (8) and has a movement mode of lifting along with the lifting of the suspension plate (82), so as to drive the opening and closing of the port of the new liquid discharging pipe (72) and automatically control the action of supplementing new liquid; The device comprises a purification tank (1), a displacement tank (6) and a carrier rod (9), wherein the carrier rod is connected between the purification tank (1) and the displacement tank (6) and is positioned below a waste liquid discharge pipe (5), a positioning and resetting mechanism is arranged in the carrier rod (9) and used for locking a descending sealing plate (4), the positioning and resetting mechanism comprises a sliding block (95) arranged in a recovery cavity (8), the movement mode of the sliding block moves upwards along with the upward movement of a suspension plate (82), and the positioning and resetting mechanism is controlled to unlock the sealing plate (4).
2. The apparatus for purifying acetylene gas production according to claim 1, wherein: One end of the new liquid discharging pipe (72) extends to the inside of the purification tank (1) and is fixedly connected with the purification tank (1), the automatic liquid adding mechanism comprises a material blocking plate (10), and the material blocking plate (10) is blocked at one end of the new liquid discharging pipe (72) extending to the inside of the replacement tank (6).
3. The acetylene gas production and purification device according to claim 1, wherein the elastic piece is a first spring (41) fixedly connected to the bottom of the sealing plate (4), the bottom of the first spring (41) is fixedly connected with the inner bottom wall of the purification tank (1), the top of the sealing plate (4) is an inclined plane, and the outer wall of the sealing plate (4) is provided with a clamping groove (42).
4. The apparatus of claim 1, wherein one end of the waste liquid discharge pipe (5) extends into the interior of the displacement tank (6) and is fixedly connected to the displacement tank (6).
5. The acetylene gas production and purification device according to claim 1, wherein the positioning and resetting mechanism comprises a retraction groove (91) formed in one end of the bearing rod (9), the outer wall of the clamping block (93) is in sliding connection with the inside of the retraction groove (91), one end of the clamping block (93) is fixedly connected with a second spring (92), one end of the second spring (92) is fixedly connected with the inner side wall of the retraction groove (91), and one end top of the clamping block (93) extending out of the retraction groove (91) is an inclined surface.
6. The acetylene gas production and purification device according to claim 5, wherein one end of the clamping block (93) is fixedly connected with a steel rope (94), the inner side wall of the retraction groove (91) is provided with a through groove, the steel rope (94) is in sliding connection with the through groove, one end of the steel rope (94) is fixedly connected with a sliding block (95), and one side of the sliding block (95) is in sliding connection with one end of the bearing rod (9).
7. The acetylene gas production and purification device according to claim 2, wherein the automatic liquid adding mechanism further comprises a control rod (101) connected with the material blocking plate (10) and extending to the inside of the recovery cavity (8), a channel is formed in the inner top wall of the recovery cavity (8), the top of the control rod (101) penetrates through the channel and extends to the inside of the new liquid cavity (7), and the control rod (101) is in sliding connection with the channel.
8. The acetylene gas production and purification device according to claim 7, wherein the bottom of the material blocking plate (10) is fixedly connected with one end of a control rod (101) extending to the inside of the new liquid cavity (7), and the other end of the control rod (101) is fixedly connected with a balancing weight (102).
9. The acetylene gas production and purification device according to claim 1, wherein the suspension plate (82) is formed by combining a circular ring and a circular disc, the circular ring and the circular disc are fixedly connected through a connecting rod, and a counterweight ring (83) is fixedly connected to the bottom of the suspension plate (82).

Description

Acetylene gas production purification device Technical Field The invention relates to the technical field of purification devices, in particular to an acetylene gas production purification device. Background Acetylene is a highly flammable gas, and in the industrial production of acetylene, a calcium carbide method production process is mainly adopted, calcium limestone is used as a raw material, calcium carbide is generated through high-temperature treatment of an electric arc furnace, then the calcium carbide is reacted with water to prepare acetylene gas, sulfide impurities are often contained in the calcium carbide raw material, a small amount of impurities such as hydrogen sulfide can be inevitably carried into the acetylene gas generated through the reaction, the explosion risk of the mixed gas can be obviously improved by the associated gas, meanwhile, the purity of acetylene can be reduced, and the adverse effect on the quality of subsequent products is generated. Therefore, an acetylene gas production purification device is adopted in the production flow to remove the hydrogen sulfide. An acetylene gas production and purification device is equipment for further purifying industrial acetylene gas to high purity, and mainly can remove impurities (such as hydrogen sulfide and the like) and stabilize gas quality so as to meet the requirements of the electronic industry or other scenes with high requirements on the acetylene purity. The principle of purification is that raw material acetylene is introduced into a container filled with 20% silver nitrate solution through an air inlet pipe, and impurities such as phosphine (PH 3), hydrogen sulfide (H 2 S) and the like in the acetylene react with the silver nitrate to generate insoluble silver phosphide and silver sulfide precipitates, so that the harmful impurities are removed. The existing purifying device can effectively remove harmful impurities in acetylene through contact of acetylene and silver nitrate solution, and has the advantages of high efficiency in impurity removal, high purification purity, environmental protection, stability and the like. As the reaction continues, the precipitate will increase, covering the active sites of the solution, the reaction rate will decrease gradually, and how to replace the silver nitrate solution is an important trouble in the purification work: The discharge valve is closed and opened by manual operation of the acetylene inlet pipe, the silver nitrate solution is discharged, and then a new silver nitrate solution is injected, so that the manual operation is difficult and the strength is high. The gas outlet, the silver nitrate solution outlet and the inlet are respectively provided with a sensor, a controller and the like, so that automatic replacement of the silver nitrate solution is realized, and the efficiency is relatively high, but the main problems of stopping discharging acetylene and delaying the purification progress and continuity are that the external control system is controlled to replace by manually observing the reaction degree of the silver nitrate solution, the judgment of the reaction degree of the solution depends on personal subjective experience of staff, objective standard is lacking, the precision of the replacement time is insufficient, and automatic discharging and replacement based on the real-time reaction degree of the silver nitrate solution are difficult to realize. Therefore, the invention provides a purifying device for acetylene gas production. Disclosure of Invention The technical scheme of the invention aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims to provide an acetylene gas production and purification device so as to solve the problem that automatic discharge and replacement based on the real-time reaction degree of silver nitrate solution are difficult to achieve in the prior art. In order to achieve the purpose, the invention provides the following technical scheme that the acetylene gas production and purification device comprises a purification tank, a replacement tank, an acetylene inlet pipe and an acetylene outlet pipe which are arranged on the purification tank, a new liquid inlet pipe, a new liquid outlet pipe and a waste liquid recovery pipe which are arranged outside the replacement tank, and further comprises: The waste liquid discharge pipe is communicated between the purification tank and the replacement tank, a new liquid cavity for storing silver nitrate solution and a recovery cavity for storing reaction waste liquid of the purification tank are arranged in the replacement tank, the new liquid discharge pipe is communicated with the new liquid cavity and the purification tank cavity, and the waste liquid discharge pipe is communicated with the recovery cavity and the purification tank cavity; The sealing plate is hermetically arranged at a