Four-in-one synthesis furnace system

Abstract

This utility model discloses a four-in-one synthesis furnace system, including a four-in-one synthesis furnace, a control system, and a conveying system. The four-in-one synthesis furnace is connected to a plate heat exchanger, an alkali absorption tower, an automatic ignition device, a steam flash tank, and a forced circulation tank. The steam flash tank is connected to a wastewater sampling cooler at its end, and the alkali absorption tower is connected to a liquid alkali circulation tank at its end. The alkali absorption tower is used for deep treatment of unreacted hydrogen chloride gas and other harmful gases generated during the synthesis reaction, belonging to the field of hydrochloric acid production technology. This four-in-one synthesis furnace system ignites the raw material gas using an automatic ignition device, cools the gas using a plate heat exchanger, discharges the synthesis gas into a water tank for absorption, and treats the tail gas using an alkali absorption tower. By integrating multiple processes into one unit, it reduces intermediate connecting links and equipment, shortens the process flow, makes the production layout more compact, and effectively saves floor space.

Description

Technical Field

[0001] This utility model relates to the field of hydrochloric acid production technology, specifically a four-in-one synthesis furnace system. Background Technology

[0002] Hydrochloric acid is an aqueous solution of hydrogen chloride and has a wide range of industrial applications. It is a colorless and transparent liquid with a strong pungent odor and high corrosiveness. It is produced by burning chlorine and hydrogen in a synthesis furnace to generate hydrogen chloride gas, which is then absorbed by water. In the existing technology, after the synthesis furnace burns chlorine and hydrogen, other equipment is required for cooling, absorption, and tail gas treatment. This results in a large footprint for the equipment involved in multiple processes and a long process flow. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a four-in-one synthesis furnace system, which solves the problem that after the synthesis furnace burns chlorine and hydrogen, it still needs to use other equipment for cooling, absorption and exhaust gas treatment, which results in a large footprint and a long process flow for the equipment with multiple processes.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a four-in-one synthesis furnace system, including a four-in-one synthesis furnace, a control system and a conveying system. The four-in-one synthesis furnace is connected to a plate heat exchanger, an alkali absorption tower, an automatic ignition device, a steam flash tank and a forced circulation tank. The end of the steam flash tank is connected to a wastewater sampling cooler, and the end of the alkali absorption tower is connected to a liquid alkali circulation tank.

[0005] The alkali absorption tower is used for the deep treatment of unreacted hydrogen chloride gas and other harmful gases in the synthesis reaction.

[0006] The plate heat exchanger is used to cool the product and exchange the large amount of heat generated by the synthesis reaction to produce steam or for other process steps.

[0007] The steam flash tank is used to treat flash steam generated by high-temperature and high-pressure condensate during depressurization.

[0008] The forced circulation tank is used to force the circulation of raw material gas that has not reacted in time inside the four-in-one synthesis furnace.

[0009] Preferably, the automatic ignition device is connected to the bottom of the four-in-one synthesis furnace, and the end of the automatic ignition device is connected to a raw material gas source, which includes a hydrogen source, a compressed air source and a helium source. The bottom of the four-in-one synthesis furnace is connected to a chlorine source, so that the raw material gas can be ignited using the automatic ignition device.

[0010] Preferably, both the alkali absorption tower and the plate heat exchanger are connected to the top of the four-in-one synthesis furnace. The plate heat exchanger is connected to a cooling water source, which enables the cooling water to exchange heat with the plate heat exchanger, thereby enabling heat recovery.

[0011] Preferably, the steam flash tank is connected to the middle of the four-in-one synthesis furnace, and the end of the steam flash tank is connected to the steam pipeline network in the steam inlet area, so that the generated steam can be used for other low-pressure equipment.

[0012] Preferably, the bottom of the steam flash tank is connected to the sewage sampling cooler, and the end of the sewage sampling cooler is connected to the ditch, so that the sewage sampling cooler can discharge sewage into the ditch.

[0013] Preferably, the end of the forced circulation tank is connected to a steam desalination device, so that the wastewater in the forced circulation tank is desalinated.

[0014] Preferably, the control system includes a controller and sensors, including a temperature sensor, a pressure sensor, and a flow sensor, which can accurately control parameters such as temperature, pressure, and flow rate during synthesis, cooling, and absorption processes, enabling the full synthesis and efficient absorption of hydrogen chloride gas, producing hydrochloric acid with high and stable concentration and good product quality.

[0015] Preferably, the conveying system includes a conveying pipeline and a conveying pump, and the conveying system is used to convey materials.

[0016] This invention provides a four-in-one synthesis furnace system. Compared with the prior art, it has the following advantages:

[0017] 1. This four-in-one synthesis furnace system ignites the raw material gas through an automatic ignition device, causing it to burn and synthesize inside the four-in-one synthesis furnace. The gas is cooled by a plate heat exchanger, and the synthesis gas is discharged into a water tank for absorption. An alkali absorption tower is used to treat the tail gas. This system integrates multiple processes into one, reduces intermediate connection links and equipment, shortens the process flow, makes the production layout more compact, and effectively saves floor space.

[0018] 2. This four-in-one synthesis furnace system, through the control system, precisely controls the temperature, pressure, flow rate and other parameters of the synthesis, cooling and absorption processes, which can achieve full synthesis and efficient absorption of hydrogen chloride gas, producing hydrochloric acid with high and stable concentration and good product quality. The system can monitor and precisely adjust the entire production process in real time, reduce interference from human factors, reduce the difficulty and labor intensity of operation, and improve the stability and safety of operation.

[0019] 3. This four-in-one synthesis furnace system improves energy efficiency and reduces energy consumption and production costs by utilizing the large amount of heat generated by the synthesis reaction to produce steam or for other process steps.

[0020] 4. This four-in-one synthesis furnace system uses an alkali absorption tower to deeply treat unreacted hydrogen chloride gas and other harmful gases, ensuring that they meet emission standards and reducing environmental pollution. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] In the diagram: 1. Four-in-one synthesis furnace; 2. Automatic ignition device; 3. Alkali absorption tower; 4. Liquid alkali circulation tank; 5. Transfer pump; 6. Plate heat exchanger; 7. Steam flash tank; 8. Wastewater sampling cooler; 9. Forced circulation tank; 10. Transfer pipeline. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1This utility model provides a technical solution: a four-in-one synthesis furnace system, including a four-in-one synthesis furnace 1, a control system, and a conveying system. The control system includes a controller and sensors, including temperature sensors, pressure sensors, and flow sensors. It can precisely control parameters such as temperature, pressure, and flow rate during synthesis, cooling, and absorption processes, achieving full synthesis and efficient absorption of hydrogen chloride gas. The produced hydrochloric acid has a high and stable concentration and good product quality. Furthermore, it allows for real-time monitoring and precise adjustment of the entire production process, reducing human error, lowering operational difficulty and labor intensity, and improving operational stability and safety. In addition, the integrated design of the equipment facilitates daily maintenance and management. The conveying system includes a conveying pipeline 10 and a conveying pump 5, used for conveying materials. The four-in-one synthesis furnace 1 is connected to a plate heat exchanger 6, an alkali absorption tower 3, an automatic ignition device 2, a steam flash tank 7, and a forced circulation tank 9. The end of the steam flash tank 7 is connected to a wastewater sampling cooler 8, which is used to cool the steam and water samples taken from the steam flash tank 7 and can discharge wastewater. The end of the alkali absorption tower 3 is connected to a liquid alkali circulation tank 4. The raw material gas can be ignited by the automatic ignition device 2, so that it can be combusted and synthesized inside the four-in-one synthesis furnace 1. The plate heat exchanger 6 is used to cool the gas, and the synthesis gas is discharged into a water tank for absorption. The tail gas is treated by the alkali absorption tower 3. The four-in-one synthesis furnace integrates multiple processes into one, reduces intermediate connection links and equipment, shortens the process flow, makes the production layout more compact, and effectively saves floor space.

[0025] The automatic ignition device 2 is connected to the bottom of the four-in-one synthesis furnace 1. The end of the automatic ignition device 2 is connected to a raw material gas source, which includes a hydrogen source, a compressed air source, and a helium source. The bottom of the four-in-one synthesis furnace 1 is connected to a chlorine source, which enables the automatic ignition device 2 to ignite the raw material gas. The helium source can dilute the hydrogen source to avoid violent reactions or explosions.

[0026] The alkali absorption tower 3 is used for the deep treatment of unreacted hydrogen chloride gas and other harmful gases in the synthesis reaction. The liquid alkali circulation tank 4 sprays liquid alkali into the alkali absorption tower 3, so that the liquid alkali can react with the unreacted hydrogen chloride gas and other harmful gases, thereby effectively improving the treatment effect of the tail gas.

[0027] Plate heat exchanger 6 is used to cool the product and exchange the large amount of heat generated by the synthesis reaction to produce steam or for other process steps. Both the alkali absorption tower 3 and the plate heat exchanger 6 are connected to the top of the four-in-one synthesis furnace 1. The plate heat exchanger 6 is connected to a cooling water source, which enables the cooling water to exchange heat with the plate heat exchanger 6, thereby enabling heat recovery.

[0028] The steam flash tank 7 is used to treat the flash steam generated by the high-temperature and high-pressure condensate during depressurization. The steam flash tank 7 is connected to the middle of the four-in-one synthesis furnace 1. The end of the steam flash tank 7 is connected to the steam pipeline network of the steam inlet area, so that the generated steam can be used for other low-pressure equipment. The bottom of the steam flash tank 7 is connected to the sewage sampling cooler 8. The end of the sewage sampling cooler 8 is connected to the ditch, so that the sewage sampling cooler 8 can discharge sewage into the ditch.

[0029] The forced circulation tank 9 is used to force the circulation of raw material gas that has not reacted in time inside the four-in-one synthesis furnace 1. The end of the forced circulation tank 9 is connected to the steam desalination equipment, so that the wastewater in the forced circulation tank 9 can be desalinated.

[0030] During operation, the automatic ignition device 2 ignites the raw material gas, causing it to burn and synthesize inside the four-in-one synthesis furnace 1. The gas is cooled by the plate heat exchanger 6, and the synthesis gas is discharged into the water tank for absorption. The tail gas is treated by the alkali absorption tower 3. By integrating multiple processes into one, the intermediate connection links and equipment are reduced, the process flow is shortened, the production layout is more compact, and the floor area and space are effectively saved.

[0031] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. A four-in-one synthetic furnace system, characterized by: It includes a four-in-one synthesis furnace (1), a control system and a conveying system. The four-in-one synthesis furnace (1) is connected to a plate heat exchanger (6), an alkali absorption tower (3), an automatic ignition device (2), a steam flash tank (7) and a forced circulation tank (9). The end of the steam flash tank (7) is connected to a wastewater sampling cooler (8), and the end of the alkali absorption tower (3) is connected to a liquid alkali circulation tank (4). The alkali absorption tower (3) is used for deep treatment of unreacted hydrogen chloride gas and other harmful gases in the synthesis reaction; The plate heat exchanger (6) is used to cool the product and exchange the large amount of heat generated by the synthesis reaction to produce steam or for other process steps. The steam flash tank (7) is used to treat the flash steam generated by high-temperature and high-pressure condensate during pressure reduction; The forced circulation tank (9) is used to force the circulation of raw material gas that has not reacted in time inside the four-in-one synthesis furnace (1).

2. The four-in-one combination furnace system of claim 1, wherein: The automatic ignition device (2) is connected to the bottom of the four-in-one synthesis furnace (1). The end of the automatic ignition device (2) is connected to a raw material gas source, which includes a hydrogen source, a compressed air source and a helium source. The bottom of the four-in-one synthesis furnace (1) is connected to a chlorine source.

3. The four-in-one combination furnace system of claim 1, wherein: The alkali absorption tower (3) and the plate heat exchanger (6) are both connected to the top of the four-in-one synthesis furnace (1), and the plate heat exchanger (6) is connected to a cooling water source.

4. The four-in-one synthesis furnace system according to claim 1, characterized in that: The steam flash tank (7) is connected to the middle of the four-in-one synthesis furnace (1), and the end of the steam flash tank (7) is connected to the steam pipeline network of the steam inlet area.

5. The four-in-one synthesis furnace system according to claim 1, characterized in that: The bottom of the steam flash tank (7) is connected to the sewage sampling cooler (8), and the end of the sewage sampling cooler (8) is connected to the ditch.

6. The four-in-one synthesis furnace system according to claim 1, characterized in that: The forced circulation tank (9) is connected at one end to a steam desalination equipment.

7. The four-in-one synthesis furnace system according to claim 1, characterized in that: The control system includes a controller and sensors, including a temperature sensor, a pressure sensor, and a flow sensor.

8. The four-in-one synthesis furnace system according to claim 1, characterized in that: The conveying system includes a conveying pipe (10) and a conveying pump (5), and is used to convey materials.

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