Gas synthesis device
By designing the feeding unit of the gas synthesis device, the solid material is pretreated, which solves the problem of moisture absorption and agglomeration of solid materials in solid-liquid reactions, and improves the reaction efficiency and Resource utilization rate avoids environmental pollution.
Patent Information
- Application Number
- CN202421250116.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-03
AI Technical Summary
In solid-liquid reaction, the lack of pretreatment of moisture-absorbing and agglomerating solid materials leads to long reaction time, insufficient reaction, low yield, and many impurities. The direct emission of ammonia in the liquid ammonia system leads to waste of resources and Environmental pollution.
A gas synthesis device is designed, including a feeding unit, a synthesis unit and a collection unit. The gas treatment area in the feeding unit purifies the abrasive area and the storage area through the first intake pipe, and grinds the solid material in combination with the abrasive area to remove water and prevent blocking. The reaction is carried out in the synthesis unit, and the ammonia recovery tank in the collection unit recovers the ammonia generated from the reaction.
By pretreating solid materials, the reaction time is shortened, the reaction rate and conversion rate are improved, the yield and purity are improved, and the ammonia recovery and utilization are avoided to avoid waste of resources and environmental pollution.
Smart Images
Figure CN222489985U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of chemical equipment, and in particular to a gas synthesis device. Background Art
[0002] At present, the solid-liquid reactions involved often lack the pretreatment of moisture-absorbing and agglomerated solid materials during the feeding process, resulting in long reaction time, incomplete reaction, low yield, and many impurities. In some solid-liquid reactions based on liquid ammonia systems, ammonia gas will be carried, which will lead to waste of resources and environmental pollution if discharged directly.
[0003] In view of this, there is an urgent need to provide a solid-liquid reaction synthesis device that can pretreat moisture-absorbing and agglomerated solid materials to shorten the reaction time, allow the reaction to proceed fully, thereby indirectly improving the yield and purity, and realizing the recovery and utilization of ammonia. Utility Model Content
[0004] The purpose of the present application is to provide a gas synthesis device to solve the above-mentioned technical problems.
[0005] The technical solution of the present application provides a gas synthesis device, comprising: a feeding unit, a synthesis unit and a collecting unit, the feeding unit comprising a gas processing area, a grinding area and a storage area arranged in sequence from top to bottom in the vertical direction, the gas processing area is connected to a first air inlet pipe and a first exhaust pipe, the grinding area comprises a grinder, the grinder is connected to a feed port to grind incoming materials, the outlet of the grinder is connected to the storage area, and the outlet of the first air inlet pipe faces the grinding area; the synthesis unit is connected to the storage area, and the synthesis unit is also connected to a product delivery pipe for delivering the synthesized product; the collecting unit comprises an ammonia recovery tank, and the ammonia recovery tank is controllably connected to the product delivery pipe.
[0006] Optionally, a baffle is provided between the gas treatment area and the abrasive area, and an air inlet and an air outlet are provided on the baffle; a gas distributor is provided at the outlet end of the first air inlet pipe, and the outlet of the gas distributor faces the air inlet; an air outlet net is provided on the air outlet and is connected to the first exhaust pipe.
[0007] Optionally, a first temperature control unit and a vibration feeder are provided on the outer wall of the abrasive zone.
[0008] Optionally, the material storage area includes a pre-storage bin and a material storage bin; a screen is provided between the pre-storage bin and the abrasive area, and the pre-storage bin and the material storage bin are connected via a first feed pipe whose opening and closing can be controlled.
[0009] Optionally, a second temperature control unit is provided on the outer wall of the storage bin, and a second air inlet pipe and a second exhaust pipe are connected to the storage bin.
[0010] Optionally, the synthesis unit is further connected to a liquid inlet pipe for supplying a reaction liquid and a second feed pipe controllably connected to the material storage area; and a stirrer is arranged in the synthesis unit.
[0011] Optionally, the synthesis unit is connected to a liquid level meter.
[0012] Optionally, the feeding unit is provided with a first pressure gauge and a first thermometer; and the synthesis unit is provided with a second pressure gauge and a second thermometer.
[0013] Optionally, the collection unit further includes a collection tank and a product tank, wherein both the collection tank and the product tank are switchably connected to the product delivery pipe; and the collection tank is controllably connected to the ammonia recovery tank.
[0014] Optionally, the ammonia recovery tank is controllably connected to the liquid inlet pipe.
[0015] The above technical solution has the following beneficial effects:
[0016] In the gas synthesis device provided by the present application, the air inlet of the first air inlet pipe in the gas processing area of the feeding unit is used to purge the abrasive area and the storage area, and the solid material is ground in combination with the abrasive area, which can effectively remove water from the solid material and prevent agglomeration, so that the solid material can fully react in the synthesis unit, thereby improving the reaction rate and conversion rate. The ammonia recovery tank in the collection unit can recover the ammonia gas produced by the reaction, thereby avoiding waste of resources and environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 Schematic diagram of the structure of a gas synthesis device in one embodiment of the present application.
[0018] Figure 2 Schematic diagram of the structure of a feeding unit in one embodiment of the present application.
[0019] Figure 3 Schematic diagram of the structure of a synthesis unit in one embodiment of the present application.
[0020] Figure 4 Schematic diagram of the structure of a collection unit in one embodiment of the present application.
[0021] Reference Numbers
[0022] Feeding unit-1, first air inlet pipe-101, first air inlet valve-102, gas distributor-103, first exhaust valve-104, air inlet-105, air outlet-106, first pressure gauge-107, first thermometer-108, grinder-109, first temperature control unit-110, vibrating feeder-111, screen-112, pre-storage bin-113, first feed valve-114, storage bin-115, second air inlet valve-116, second exhaust valve-117, second temperature control unit-118.
[0023] Synthesis unit-2, second feed valve-201, reactor-202, agitator-203, first product valve-204, second pressure gauge-205, second thermometer-206, liquid level gauge-207, liquid feed valve-208.
[0024] Collection unit-3, first collection valve-301, collection tank-302, second collection valve-303, product tank-304, recovery valve-305, ammonia recovery tank-306, and adjustment valve-307. DETAILED DESCRIPTION
[0025] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.
[0026] It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, a variety of structural modes and implementation modes can be replaced by those skilled in the art. Therefore, the following specific implementation methods and drawings are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the entirety of the utility model or as a limitation or restriction on the technical solution of the utility model.
[0027] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to different positions and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.
[0028] The present application provides a gas synthesis device, comprising: a feeding unit 1, a synthesis unit 2 and a collecting unit 3. The feeding unit 1 is above the synthesis unit 2, the collecting unit 3 is beside the synthesis unit 2, and the collecting unit 3 is also provided with a recovery device.
[0029] Please refer to Figures 1 to 4The feeding unit 1 includes a gas processing area, an abrasive area and a storage area arranged in sequence from top to bottom in the vertical direction. The gas processing area is connected to a first air inlet pipe 101 and a first exhaust pipe. The abrasive area includes an abrasive 109. The abrasive 109 is connected to the feed port of the solid material to grind the solid material. The outlet of the abrasive 109 is connected to the storage area. The outlet of the first air inlet pipe 101 faces the abrasive area. The abrasive 109 can be a blade-shaped grinding tool that is rotatably set in the abrasive area to grind the solid material. The first air inlet pipe 101 can be an inert gas such as nitrogen, argon, helium, etc., which plays a role in drying the solid material. The gas is discharged from the first exhaust pipe after drying the solid material in the abrasive area and the storage area. The first air inlet pipe 101 is provided with a first air inlet valve 102, and the first exhaust pipe is also provided with a first exhaust valve 104. The above two valves are used to control the opening and closing or opening degree of the pipelines where they are located.
[0030] The synthesis unit 2 is connected to the material storage area, and the synthesis unit 2 is also connected to a product delivery pipe for delivering the synthesis product.
[0031] The collection unit 3 includes an ammonia recovery tank 306 , and the ammonia recovery tank 306 is controllably connected to the product delivery pipe.
[0032] In the gas synthesis device provided in the embodiment of the present application, the air intake of the first air intake pipe 101 in the gas processing area of the feeding unit 1 is used to purge the abrasive area and the storage area, and the solid material is ground in combination with the abrasive area, which can effectively remove water from the solid material and prevent agglomeration, so that the reaction in the synthesis unit 2 is sufficient, and the reaction rate and conversion rate are improved. The ammonia recovery tank 306 in the collection unit 3 can recover the ammonia generated by the reaction to avoid waste of resources and environmental pollution.
[0033] As an optional embodiment, a baffle is provided between the gas treatment area and the abrasive area, and an air inlet 105 and an air outlet 106 are provided on the baffle; a gas distributor 103 is provided at the outlet end of the first air inlet pipe 101, and the outlet of the gas distributor 103 faces the air inlet 105; an air outlet net is provided on the air outlet 106 and is connected to the first exhaust pipe. Figure 2 As shown, the first exhaust pipe is arranged at a position opposite to the first air inlet pipe 101 in the gas processing area, and the gas discharged from the gas outlet network flows toward the interface of the first exhaust pipe under the action of gas pressure and is discharged through the first exhaust pipe. The first exhaust pipe can also be directly connected to the gas outlet network to achieve gas discharge.
[0034] The baffle can be connected to the inner wall of the abrasive zone by welding or threading. The diameter of the gas distributor 103 is 80-90% of the size of the air inlet 105, and is 5-20 mm higher than the baffle. A plurality of air outlet holes are provided at the outlet of the gas distributor 103, and the air outlet holes face the air inlet 105 to achieve uniform outflow of gas. The air outlet net is sieve-shaped, and the number of sieve stacking layers is ≥1, and the stacking method is staggered stacking and / or aligned stacking to achieve the effect of air outlet and material blocking.
[0035] As an optional embodiment, a first temperature control unit 110 and a vibration feeder 111 are provided on the outer wall of the abrasive zone. The first temperature control unit 110 in the embodiment of the present application may be a sandwich structure, which heats and insulates the abrasive zone through circulating heat exchange fluids such as brine, steam, air, etc.; the first temperature control unit 110 may also be an electric heating wire, which is wound around the outer wall of the abrasive zone to heat and insulate. The vibration feeder 111 may be an ultrasonic vibrator or a mechanical vibrator, etc., which promotes the feeding speed by vibrating the abrasive zone. The temperature of the solid material in the abrasive zone can be effectively controlled by the first temperature control unit 110, and the problem of agglomeration and retention of the solid material can be prevented by the vibration feeder 111.
[0036] As an optional embodiment, the storage area includes a pre-storage bin 113 and a storage bin 115. A screen 112 is provided between the pre-storage bin 113 and the abrasive area, and the pre-storage bin 113 and the storage bin 115 are connected via a first feed pipe that can be controlled to open and close. The screen 112 in the present application can further screen the solid material falling from the abrasive area, the pre-storage bin 113 has the function of buffering and temporarily storing solid materials, and a first feed valve 114 is provided on the first feed pipe, and the opening and closing and opening degree of the first feed pipe are controlled by the first feed valve 114.
[0037] As an optional embodiment, a second temperature control unit 118 is provided on the outer wall of the storage bin 115, and a second air inlet pipe and a second exhaust pipe are connected to the storage bin 115. The second temperature control unit 118 in the embodiment of the present application can be a sandwich structure, which heats and insulates the abrasive area through circulating heat exchange fluids such as brine, steam, air, etc.; the second temperature control unit 118 can also be an electric heating wire, which is wound on the outer wall of the storage bin 115 to achieve heating and insulation effects. The second air inlet pipe can be filled with inert gases such as nitrogen, argon, helium, etc., which play a role in drying solid materials. The gas flows out from the second exhaust pipe after the solid materials are dried in the storage bin 115. A second air inlet valve 116 is provided on the second air inlet pipe, and a second exhaust valve 117 is provided on the second exhaust pipe. The second exhaust pipe is connected to the first exhaust pipe, and the above valves are used to control the opening of the pipeline.
[0038] As an optional embodiment, the synthesis unit 2 is also connected to a liquid inlet pipe for supplying a reaction liquid and a second feed pipe controllably connected to the storage area; the reactor 202 of the synthesis unit 2 is provided with an agitator 203. The reaction liquid in the embodiment of the present application can be liquid nitrogen, and the agitator 203 is provided with a plurality of stirring blades, and a through hole for solid material to pass through is provided on the stirring blades, which is conducive to increasing the stirring effect and shortening the reaction time. The agitator 203 is provided with a rotating shaft for driving the plurality of stirring blades 203 to rotate, and the rotating shaft is sealed and penetrated into the reactor 202, and the driving end of the rotating shaft is located outside the reactor 202. A first product valve 204 is provided on the product delivery pipe, a second feed valve 201 is provided on the second feed pipe, and a liquid feed valve 208 is provided on the liquid inlet pipe, and the above valves are used to control the flow of the pipeline.
[0039] As an optional embodiment, the synthesis unit 2 is connected with a liquid level meter 207. The liquid level of the reaction material in the synthesis unit 2 can be known through the reading of the liquid level meter 207, which is conducive to controlling the opening of the valves on the liquid inlet pipe, the feed pipe and the product delivery pipe, and further controlling the reaction speed of the material in the synthesis unit 2.
[0040] As an optional embodiment, the feeding unit 1 is provided with a first pressure gauge 107 and a first thermometer 108 ; the synthesis unit 2 is provided with a second pressure gauge 205 and a second thermometer 206 .
[0041] As an optional embodiment, the collection unit 3 further includes a collection tank 302 and a product tank 304, and the collection tank 302 and the product tank 304 are both switchably connected to the product delivery pipe; the collection tank 302 is controllably connected to the ammonia recovery tank 306. The collection tank 302 can use water as a collection liquid to collect ammonia gas produced by the reaction, and transfer the impurity ammonia gas to the ammonia recovery tank 306 through the pipeline where the recovery valve 305 is located after being absorbed by water, and the product tank 304 is used to collect the product gas of the reaction process. The collection tank 302 is connected to the product delivery pipe through the pipeline where the first collection valve 301 is located, and the product tank 304 is connected to the product delivery pipe through the second collection valve 303.
[0042] As an optional embodiment, the ammonia recovery tank 306 is controllably connected to the liquid inlet pipe. The ammonia recovery tank 306 and the liquid inlet pipe can be connected via a regulating pipe, and a regulating valve 307 is provided on the regulating pipe. By controlling the opening of the regulating valve 307, the amount of liquid nitrogen in the liquid inlet pipe entering the ammonia recovery tank 306 is controlled to control the concentration of ammonia water in the ammonia recovery tank 306, which is beneficial to subsequent recycling.
[0043] As needed, the above technical solutions can be combined to achieve the best technical effect.
[0044] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principles of the present invention, several other modifications can be made, which should also be considered as the protection scope of the present invention.
Claims
1. A gas synthesis device, characterized in that: include: Feeding unit, synthesis unit and collection unit, The feeding unit comprises a gas processing area, an abrasive area and a material storage area arranged in sequence from top to bottom in the vertical direction, the gas processing area is connected with a first air inlet pipe and a first air outlet pipe, the abrasive area comprises an abrasive device, the abrasive device is connected with a feed port to grind incoming materials, the outlet of the abrasive device is connected with the material storage area, and the outlet of the first air inlet pipe faces the abrasive area; The synthesis unit is connected to the material storage area, and the synthesis unit is also connected to a product delivery pipe for delivering the synthesis product; The collection unit includes an ammonia recovery tank, and the ammonia recovery tank is controllably connected to the product delivery pipe.
2. The gas synthesis device according to claim 1, characterized in that: A baffle is provided between the gas treatment area and the abrasive area, and an air inlet and an air outlet are provided on the baffle; A gas distributor is provided at the gas outlet end of the first gas inlet pipe, and the outlet of the gas distributor faces the gas inlet; The air outlet is provided with an air outlet net and is connected to the first exhaust pipe.
3. The gas synthesis device according to claim 2, characterized in that: A first temperature control unit and a vibration feeder are arranged on the outer wall of the abrasive zone.
4. The gas synthesis device according to claim 1, characterized in that: The material storage area includes a pre-storage bin and a material storage bin; A screen is provided between the pre-storage bin and the abrasive area, and the pre-storage bin is connected to the storage bin via a first feed pipe which can be controlled to open and close.
5. The gas synthesis device according to claim 4, characterized in that: A second temperature control unit is disposed on the outer wall of the material storage bin, and a second air inlet pipe and a second air exhaust pipe are connected to the material storage bin.
6. The gas synthesis device according to claim 1, characterized in that: The synthesis unit is also connected to a liquid inlet pipe for supplying a reaction liquid and a second feed pipe controllably connected to the material storage area; A stirrer is arranged in the synthesis unit.
7. The gas synthesis device according to claim 1, characterized in that: The synthesis unit is connected with a liquid level meter.
8. The gas synthesis device according to claim 1, characterized in that: The feeding unit is provided with a first pressure gauge and a first thermometer; The synthesis unit is provided with a second pressure gauge and a second thermometer.
9. The gas synthesis device according to claim 1, characterized in that: The collection unit further comprises a collection tank and a product tank, wherein both the collection tank and the product tank are switchably connected to the product delivery pipe; The collecting tank is controllably connected to the ammonia recovery tank.
10. The gas synthesis device according to claim 6, characterized in that: The ammonia recovery tank is controllably connected to the liquid inlet pipe.