Methanol cracking hydrogen production desorption gas recycling device

Abstract

The utility model provides a methanol cracking hydrogen production desorbed gas recycling device which comprises a gas inlet assembly, a filtering assembly and a collecting assembly, the filtering assembly used for filtering desorbed gas is installed on the upper side surface of the gas inlet assembly, and the collecting assembly used for recycling the desorbed gas is installed at the end, away from the gas inlet assembly, of the filtering assembly. Compared with the prior art, the utility model has the following beneficial effects: through the arrangement of the filter assembly, the flow dividing pipe divides the flow of desorbed gas during use, so that the gas can enter the filter tank more uniformly, and the gas can enter the filter tank more uniformly through the flow dividing; the gas can be more uniformly distributed on the whole cross section of the filtering tank, and each part of the filtering medium can play a role, so that the service life of the filtering medium is prolonged, and the filtering efficiency is integrally improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the recovery equipment field, especially relate to a kind of methanol cracking hydrogen desorption recovery and utilization device. BACKGROUND

[0002] Methanol cracking hydrogen desorption recovery and utilization device is a kind of professional equipment system for chemical industry field.In the process of methanol cracking hydrogen, in addition to obtaining hydrogen gas this main product, desorption gas containing multiple components will also be generated.The purpose of the device is to effectively recover and reuse these desorption gases, avoid resource waste, and reduce the impact of waste gas emission on the environment.The current methanol cracking hydrogen desorption recovery and utilization device exposes some places to be optimized in actual operation, desorption gas is mixed with many impurity components, like methanol cracking reaction residual catalyst fine particles, a small amount of unvaporized methanol and air mixed dust, etc., which directly leads to the gas composition entering the recovery and utilization link becomes mixed.In subsequent processes, the quality of recovered gas is reduced, so a new structure is needed to solve the above technical problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a methanol cracking hydrogen desorption recovery and utilization device to solve the problems raised in the background art.

[0004] The utility model discloses the following technical scheme realizes: a kind of methanol cracking hydrogen desorption recovery and utilization device, comprising: air intake component, filter component and collection component, the upper side surface of air intake component is equipped with the filter component for filtering desorption gas, the filter component is equipped with the collection component for recycling desorption gas at one end away from air intake component, the air intake component includes the buffer tank for buffering gas, the filter component includes the shunt pipe for shunting gas, one end of the shunt pipe is equipped with air intake pipe, the air intake pipe is equipped with filter tank at one end away from shunt pipe, the upper side surface of filter tank is equipped with air outlet pipe, the air outlet pipe is connected with collection component.

[0005] As a preferred embodiment, the outer surface of the buffer tank is provided with an air inlet member, the air inlet member is connected to the methanol cracking hydrogen device through a pipeline body, and a shunt pipe is installed at the center position of the upper surface of the buffer tank.

[0006] As a preferred implementation, the shunt pipe is in a Y-shaped structure, two outlets are arranged at one end of the shunt pipe away from the buffer tank, and one gas inlet pipe is arranged at each of the two outlets, and a gas valve is arranged at the connection between the gas inlet pipe and the shunt pipe.

[0007] As a preferred implementation, the two gas inlet pipes are connected to the outer side surfaces of two filter tanks respectively at one end away from the shunt pipe, and the two filter tanks are of the same structure.

[0008] As a preferred implementation, the filter tank is internally provided with a filter for filtering gas, and the filter is a solid particle filter, in use, the shunt pipe divides the desorption gas to make the gas enter the filter tank more uniformly, the gas is more uniformly distributed on the entire cross section of the filter tank, and each part of the filter medium can play a role, thereby prolonging the service life of the filter medium and improving the overall filtering efficiency.

[0009] As a preferred implementation, the upper side surface of the filter tank is provided with gas outlet pipes in a U-shaped structure, the two gas outlet pipes are of the same structure, and the collection assembly comprises a collection tank for collecting filtered gas.

[0010] As a preferred implementation, the inner side gas outlet pipe is connected to the upper side surface of the collection tank at one end away from the filter tank, and the outer side surface of the filter tank is provided with a collection pipe.

[0011] As a preferred implementation, the outer side gas outlet pipe is connected to the collection pipe at one end away from the filter tank, and the gas outlet pipe, the gas inlet pipe and the collection pipe are internally provided with one-way air valves.

[0012] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: by arranging the gas inlet assembly, the gas inlet assembly comprises a buffer tank for buffering gas, in the process of methanol cracking hydrogen production, the generation rate of desorption gas is not completely constant, when the conditions of methanol cracking reaction (such as temperature, pressure, methanol feeding rate, etc.) appear slight fluctuations, the flow of desorption gas will also change, at this time, the existence of the buffer tank in combination with the gas valve can play a buffering role when the flow fluctuates.

[0013] By setting the filter assembly, the upper side surface of the air inlet assembly is provided with a filter assembly for filtering the desorbed gas, and the filter assembly comprises a shunt pipe for shunting the gas, one end of the shunt pipe is provided with an air inlet pipe, and the air inlet pipe is provided with a filter tank away from the shunt pipe, in use, the shunt pipe shunts the desorbed gas, so that the gas can enter the filter tank more uniformly, without shunting, the desorbed gas may concentrate from a certain area of the filter tank, causing the filter medium (such as filter screen, filter core, etc.) of the area to be blocked or excessively worn out, while the filter medium of other areas is not fully utilized, through shunting, the gas can be more uniformly distributed on the entire cross section of the filter tank, so that each part of the filter medium can play a role, thereby prolonging the service life of the filter medium and improving the overall filtering efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0015] Fig. 1 It is a whole structure schematic view of the methanol cracking hydrogen production desorbed gas recycling device.

[0016] Fig. 2 It is a schematic view of the filter assembly of the methanol cracking hydrogen production desorbed gas recycling device.

[0017] In the figure, 100 is a buffer tank, and 110 is an air inlet part.

[0018] 200 is a shunt pipe, 210 is an air inlet pipe, 220 is a gas valve, 230 is a filter tank, and 240 is an air outlet pipe.

[0019] 300 is a collection tank, and 310 is a collection pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figs. 1-2The utility model provides a technical scheme: a kind of methanol cracking hydrogen production desorption gas recycling device, comprising: air intake component, filter component and collection component, the upper surface of air intake component is equipped with the filter component for filtering desorption gas, the end of filter component away from air intake component is equipped with the collection component for recycling desorption gas, air intake component includes the buffer tank 100 for buffering gas, filter component includes the shunt pipe 200 for shunting gas, one end of shunt pipe 200 is equipped with air intake pipe 210, air intake pipe 210 the end away from shunt pipe 200 is equipped with filter tank 230, the upper surface of filter tank 230 is equipped with air outlet pipe 240, and air outlet pipe 240 is connected with collection component.

[0022] Please refer to Figs. 1-2 , as the first embodiment of the utility model: the outside surface of buffer tank 100 is equipped with air intake piece 110, air intake piece 110 is connected with methanol cracking hydrogen production device by pipeline body, and the upper surface center position of buffer tank 100 is equipped with shunt pipe 200.

[0023] Shunt pipe 200 is Y-shaped structure, and two air intake pipes 210 are arranged on the end of shunt pipe 200 away from buffer tank 100, and the connecting portion between air intake pipe 210 and shunt pipe 200 is equipped with gas valve 220;

[0024] The end of two air intake pipes 210 away from shunt pipe 200 is connected with the outside surface of one filter tank 230 respectively, and two filter tanks 230 are the same structure;

[0025] When using, user first supplies waste gas (refers to waste gas containing a small amount of hydrogen, and most of hydrogen is discharged for use through another channel) to feed piece by methanol cracking hydrogen production equipment, so that it enters the inside of buffer tank 100, after gas enters the inside of buffer tank 100, gas will be stored in the inside of buffer tank 100 at this time, when recycling, user can open gas valve 220, so that the gas in the inside of buffer tank 100 is discharged, to filter recycling, because in the process of methanol cracking hydrogen production, the generation rate of desorption gas is not completely constant, when the conditions (such as temperature, pressure, methanol feed rate, etc.) of methanol cracking reaction appear slight fluctuation, the flow of desorption gas will also change, at this time, the existence of buffer tank 100 in combination with gas valve 220 can play the role of buffering when flow fluctuates.

[0026] Please refer to Figs. 1-2 , as the second embodiment of the utility model: filter tank 230 is equipped with filter piece for filtering gas inside, and filter piece is solid particle filter;

[0027] The upper side surface of the filter tank 230 is provided with a U-shaped air outlet pipe 240, two air outlet pipes 240 are the same in structure, and the collecting assembly comprises a collecting tank 300 for collecting filtered gas;

[0028] The inner side air outlet pipe 240 is connected to the upper side surface of the collecting tank 300 away from the filter tank 230, and the outer side surface of the filter tank 230 is provided with a collecting pipe 310;

[0029] The outer side air outlet pipe 240 is connected to the collecting pipe 310 away from the filter tank 230, and the air outlet pipe 240, the air inlet pipe 210 and the collecting pipe 310 are all provided with a one-way air valve;

[0030] In use, when the gas is discharged through the buffer tank 100 for recycling, the gas is first split into two streams through the shunt pipe 200 and then sent into the filter tank 230 through the air inlet pipe 210, and then the solid particles in the gas are adsorbed and filtered by the filter element in the filter tank 230 (the filter element is a prior art, and its working principle and structure are not described here), after the gas is filtered in the filter tank 230, the gas is then discharged into the collecting tank 300 through the air outlet pipe 240 for collection, and finally the gas collected in the collecting tank 300 is recycled and used subsequently, since the desorbed gas is split by the shunt pipe 200, the gas can enter the filter tank 230 more uniformly, without splitting, the desorbed gas may enter from a certain area of the filter tank 230, causing the filter medium (such as filter screen, filter element, etc.) in the area to be clogged or excessively worn, while the filter medium in other areas is not fully utilized, by splitting, the gas can be more uniformly distributed on the entire cross section of the filter tank 230, so that each part of the filter medium can play a role, thereby prolonging the service life of the filter medium and improving the overall filtering efficiency.

[0031] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A methanol cracking hydrogen production desorption gas recovery and utilization device, comprising: An intake assembly, a filter assembly, and a collection assembly, characterized in that a filter assembly for filtering desorbed gas is installed on the upper surface of the intake assembly, and a collection assembly for recovering desorbed gas is installed at the end of the filter assembly away from the intake assembly. The air intake assembly includes a buffer tank (100) for buffering the gas, and the filter assembly includes a diversion pipe (200) for diverting the gas. An air intake pipe (210) is installed at one end of the diversion pipe (200), and a filter tank (230) is installed at the end of the air intake pipe (210) away from the diversion pipe (200). An air outlet pipe (240) is installed on the upper surface of the filter tank (230), and the air outlet pipe (240) is connected to the collection assembly.

2. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 1, characterized in that: An air inlet (110) is installed on the outer surface of the buffer tank (100), and the air inlet (110) is connected to the methanol cracking hydrogen production unit through the pipeline body. A diversion pipe (200) is installed at the center of the upper surface of the buffer tank (100).

3. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 2, characterized in that: The diversion pipe (200) has a Y-shaped structure. The end of the diversion pipe (200) away from the buffer tank (100) is provided with two outlets. Each of the two outlets is equipped with an air inlet pipe (210). A gas valve (220) is installed at the connection between the air inlet pipe (210) and the diversion pipe (200).

4. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 3, characterized in that: The ends of the two intake pipes (210) away from the split pipe (200) are respectively connected to the outer surface of a filter canister (230), and the two filter canisters (230) have the same structure.

5. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 4, characterized in that: The filter canister (230) is equipped with a filter element for filtering gas, which is a solid particle filter.

6. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 1, characterized in that: The filter canister (230) is equipped with a U-shaped air outlet pipe (240) on its upper surface. The two air outlet pipes (240) have the same structure. The collection assembly includes a collection canister (300) for collecting the filtered gas.

7. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 6, characterized in that: The end of the inner air outlet pipe (240) away from the filter canister (230) is connected to the upper surface of the collection canister (300), and the outer surface of the filter canister (230) is equipped with a collection pipe (310).

8. The methanol cracking hydrogen production desorption gas recovery and utilization device as described in claim 7, characterized in that: The end of the outer air outlet pipe (240) away from the filter tank (230) is connected to the collection pipe (310). One-way air valves are provided inside the air outlet pipe (240), the air inlet pipe (210) and the collection pipe (310).

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