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CN-224230031-U - Device for producing sulfuric acid by using acid gas

CN224230031UCN 224230031 UCN224230031 UCN 224230031UCN-224230031-U

Abstract

The utility model relates to the technical field of chemical production equipment and discloses a device for producing sulfuric acid by using acid gas, which comprises a mixing box and a sulfuric acid steam condenser, wherein an explosion-proof mechanism is fixedly connected to the outer side of the mixing box, a quick-release filtering mechanism is fixedly connected to the outer side of the sulfuric acid steam condenser, the explosion-proof mechanism comprises an explosion-proof buffer tube, the outer side of the explosion-proof buffer tube is fixedly connected to the outer side of the mixing box, a fixing ring is fixedly connected to the inner side of the explosion-proof buffer tube, and an anti-backflow assembly is slidingly connected to the inner side of the fixing ring. According to the utility model, when the explosion-proof mechanism operates normally, gas pushes the explosion-proof plug to enable the gas to flow into the buffer cavity, and when the explosion-proof mechanism explodes, the spring and other structures drive the explosion-proof plug to block the gas flow, so that the safety of the device is ensured, the quick-dismantling filter mechanism is filtered by the gas supply of the cooling fan and the porous plate, the L-shaped chute and the quick-dismantling pull rod are used for conveniently replacing the filter part, the stability of the condenser is maintained, and the production efficiency and the operation reliability of the device are improved.

Inventors

  • Hong Houxiang
  • PAN JIN
  • MAO NING

Assignees

  • 美科益环保科技(江苏)有限公司

Dates

Publication Date
20260512
Application Date
20250928

Claims (8)

  1. 1. The device for producing sulfuric acid by using acid gas comprises a mixing box (1) and a sulfuric acid steam condenser (15), and is characterized in that an explosion-proof mechanism is fixedly connected to the outer side of the mixing box (1), and a quick-dismantling filtering mechanism is fixedly connected to the outer side of the sulfuric acid steam condenser (15); The anti-explosion mechanism comprises an anti-explosion buffer tube (4), wherein the outer side of the anti-explosion buffer tube (4) is fixedly connected to the outer side of the mixing box (1), the inner side of the anti-explosion buffer tube (4) is fixedly connected with a fixing ring (5), the inner side of the fixing ring (5) is slidably connected with an anti-reflux assembly, and the inner side of the anti-explosion buffer tube (4) is fixedly connected with a buffer protection assembly; The buffer protection assembly comprises a buffer porous plate (7), a buffer cavity is formed in one end of the explosion-proof buffer tube (4), the outer side of the buffer porous plate (7) is fixedly connected with the inside of the buffer cavity of the explosion-proof buffer tube (4), the outer side of the buffer porous plate (7) is fixedly connected with a guide sliding rod (9), the outer side of the guide sliding rod (9) is slidably connected with an explosion-proof plug (6), and the outer side of the explosion-proof plug (6) is slidably connected with the inner side of the fixed ring (5).
  2. 2. The device for producing sulfuric acid by using acid gas according to claim 1, wherein the quick-dismantling filtering mechanism comprises a cooling air inlet pipe (17), a cooling fan (16) is fixedly connected to the outer side of the sulfuric acid steam condenser (15), the outer side of the cooling air inlet pipe (17) is fixedly connected to the outer side of the cooling fan (16), a porous filter plate (29) is slidingly connected to the inner side of the cooling air inlet pipe (17), and an L-shaped chute (27) is formed in the outer side of the cooling air inlet pipe (17).
  3. 3. The device for producing sulfuric acid by using acid gas according to claim 2, wherein a quick-release pull rod (26) is slidably connected to the inner side of the L-shaped chute (27), a clamping spring (28) is fixedly connected to the outer side of the quick-release pull rod (26), one end of the clamping spring (28) is fixedly connected to the outer side of the quick-release pull rod (26), the other end of the clamping spring (28) is fixedly connected to the inner side of the L-shaped chute (27), and one end of the quick-release pull rod (26) far away from the clamping spring (28) is slidably connected to the inner side of the porous filter plate (29).
  4. 4. The device for producing sulfuric acid by using acid gas according to claim 1, wherein the backflow prevention assembly comprises a first spring (8), one end of the first spring (8) is fixedly connected to the outer side of the buffer porous plate (7), the other end of the first spring (8) is fixedly connected to the outer side of the explosion-proof plug (6), a second spring (11) is fixedly connected to the outer side of the explosion-proof plug (6), one end, far away from the explosion-proof plug (6), of the second spring (11) is fixedly connected to the outer side of the fixed ring (5), a sealing explosion-proof groove is formed in the inner side of the explosion-proof buffer tube (4), and a sealing strip (10) is fixedly connected to the outer side of the explosion-proof plug (6).
  5. 5. The device for producing sulfuric acid by using acid gas according to claim 1, wherein a combustion furnace (12) is fixedly connected to the outer side of the explosion-proof buffer tube (4), a waste heat recoverer (13) is fixedly connected to the outer side of the combustion furnace (12), a combined reactor (14) is fixedly connected to the outer side of the waste heat recoverer (13), and the outer side of the sulfuric acid steam condenser (15) is fixedly connected to the outer side of the combined reactor (14).
  6. 6. The device for producing sulfuric acid by using acid gas according to claim 1, wherein a discharging pipe (21) is fixedly connected to the bottom of the sulfuric acid steam condenser (15), a plurality of rows of condensing pipes (19) are fixedly connected to the inside of the sulfuric acid steam condenser (15), spiral fins (20) are fixedly connected to the inner side of the condensing pipes (19), a discharging control valve (22) is fixedly connected to the outer side of the discharging pipe (21), and the outer side of the sulfuric acid steam condenser (15) is connected with the mixing box (1) through a pipeline.
  7. 7. The device for producing sulfuric acid by using acid gas according to claim 1, wherein a combustion fan (18) is fixedly connected to the outer side of the sulfuric acid steam condenser (15), an acid mist catcher (23) is fixedly connected to the outer side of the combustion fan (18), a plurality of wire mesh foam removers (24) are fixedly connected to the inner side of the acid mist catcher (23), and a chimney (25) is fixedly connected to the outer side of the acid mist catcher (23).
  8. 8. The device for producing sulfuric acid by using acid gas according to claim 1, wherein a plurality of air inlet pipes (2) are fixedly connected to the outer side of the mixing box (1), and a mixing fan (3) is fixedly connected to the inner side of the mixing box (1).

Description

Device for producing sulfuric acid by using acid gas Technical Field The utility model relates to the technical field of chemical production equipment, in particular to a device for producing sulfuric acid by using acid gas. Background Sulfuric acid is an inorganic strong acid with strong corrosiveness, and has extremely wide application in the industrial field, can be used for manufacturing chemical fertilizers, refining petroleum, metal smelting and the like, and is taken as a basic chemical raw material in a modern production large environment, the yield of the sulfuric acid is often regarded as a mark for measuring the national chemical development level, and the demand for the sulfuric acid is continuously increased along with the development of various industries; The wet sulfuric acid preparing technology is an important sulfuric acid production process, can convert sulfur-containing acid gas into sulfuric acid, effectively reduces the emission of harmful gas in industrial production, realizes resource recycling, is indirectly related in daily life, and is characterized in that the production of a plurality of products depends on sulfuric acid, the production of the products is not separated from sulfuric acid from detergents, batteries to cement, the pH value of the detergents is regulated, the products are used as battery electrolyte and the cement performance is optimized, the modern industry is supported in a whisper way, the wet sulfuric acid preparing technology guarantees the sulfuric acid supply, a wet sulfuric acid device mainly comprises a combustion furnace, a converter, an absorption tower and the like, the combustion furnace is used for burning raw materials to generate sulfur dioxide, the converter promotes the sulfur dioxide to be converted into sulfur trioxide, the absorption tower is used for completing the absorption of the sulfur trioxide to generate sulfuric acid, and the whole preparation flow is that the raw materials are burnt and then converted, absorbed and the like to prepare the sulfuric acid; In the existing sulfuric acid production device, the combustion furnace has potential safety hazards. In normal operation, the guiding measures of the high-pressure mixed gas discharge are not perfect enough, and once unexpected explosion occurs, high-speed air flow is difficult to be blocked rapidly, acid and fuel gas still continuously flow in, so that the explosion degree is deepened continuously, the safety of the device is threatened, larger accident loss is caused, the stability of the production environment is damaged, and the production efficiency and the operation reliability of the device are affected. Disclosure of utility model In order to make up for the defects, the utility model provides a device for producing sulfuric acid by using acid gas, which aims to solve the problems of insufficient gas discharge guide and untimely explosion prevention blocking of a combustion furnace in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The device for producing sulfuric acid by using acid gas comprises a mixing box and a sulfuric acid steam condenser, wherein an explosion-proof mechanism is fixedly connected to the outer side of the mixing box, and a quick-release filtering mechanism is fixedly connected to the outer side of the sulfuric acid steam condenser; The anti-explosion mechanism comprises an anti-explosion buffer tube, the outer side of the anti-explosion buffer tube is fixedly connected with the outer side of the mixing box, the inner side of the anti-explosion buffer tube is fixedly connected with a fixing ring, the inner side of the fixing ring is slidably connected with an anti-reflux assembly, and the inner side of the anti-explosion buffer tube is fixedly connected with a buffer protection assembly; The buffer protection assembly comprises a buffer porous plate, one end of the explosion-proof buffer tube is provided with a buffer cavity, the outer side of the buffer porous plate is fixedly connected with the inside of the buffer cavity of the explosion-proof buffer tube, the outer side of the buffer porous plate is fixedly connected with a guide sliding rod, the outer side of the guide sliding rod is slidably connected with an explosion-proof plug, the outer side of the explosion-proof plug is slidably connected with the inner side of the fixed ring, and the explosion-proof protection assembly and the quick-release filtering mechanism are arranged on the outer side of the mixing box, so that the explosion protection of the mixing box, the gas backflow prevention, the explosion airflow buffering and the rapid disassembly and the rapid installation of the filtering component of the cooling air inlet pipe of the condenser are realized, and the safe and stable operation of the device is ensured; As a further description of the above technical solution: The quick-dismantling filter mechanism comprises