Dissolved gas recovery structure of methanol synthesis device

Abstract

The utility model provides a methanol synthesis device dissolved gas recovery structure which comprises a synthesis box body, a recovery main pipe connected to the top of the synthesis box body, a transverse plate fixed at the top of the synthesis box body and located on the outer side of the recovery main pipe, and two groups of vertical rods symmetrically distributed left and right fixed at the bottom of the transverse plate, the bottom end of the vertical rod is fixedly connected with one side of the top of the synthesis box body, and a recycling mechanism for dissolved gas is arranged at the top of the transverse plate and comprises a recycling box. The methanol synthesis device dissolved gas recovery structure provided by the utility model solves the problems that in the existing methanol dissolved gas recovery, dissolved gas is fed into a factory fuel gas pipe network as fuel gas, so that toxic components in the dissolved gas are not treated in time and still exist in the fuel gas, and the environment in the air is polluted to a certain extent; meanwhile, toxic components can be inhaled into the body along with air, and certain harm is caused to the body of people.

Description

Technical Field

[0001] The utility model relates to the technical field of methanol synthesis dissolved gas recovery, in particular to a methanol synthesis device dissolved gas recovery structure. Background Art

[0002] Methanol is an important organic chemical raw material. The current industrial production of methanol usually uses hydrogen, carbon monoxide and carbon dioxide as raw materials. By controlling a certain composition ratio, temperature and pressure, the methanol synthesis reaction is carried out under the action of a copper-based catalyst.

[0003] At present, during the methanol synthesis production process, the methanol in the device will produce a large amount of dissolved gas. Since methanol is a toxic gas, the dissolved gas will contain some toxic components. The existing methanol dissolved gas recovery is to send the dissolved gas into the factory fuel gas pipeline as fuel gas, so that the toxic components in the dissolved gas are not processed in time and still exist in the fuel gas, which will cause certain pollution to the environment in the air. At the same time, the toxic components will be inhaled into the body along with the air, causing certain harm to people's bodies.

[0004] Therefore, it is necessary to provide a new dissolved gas recovery structure for a methanol synthesis device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a dissolved gas recovery structure of a methanol synthesis device which can timely process the toxic components in the dissolved gas.

[0006] The utility model provides a dissolved gas recovery structure for a methanol synthesis device, comprising a synthesis box, wherein the top of the synthesis box is connected to a recovery main pipe, a horizontal plate is fixed on the top of the synthesis box and located outside the recovery main pipe, two groups of vertical rods symmetrically distributed on the left and right are fixed on the bottom of the horizontal plate, the bottom ends of the vertical rods are fixedly connected to one side of the top of the synthesis box, and a recovery mechanism for dissolved gas is arranged on the top of the horizontal plate.

[0007] The recovery mechanism includes a recovery box, one side of the top of the recovery box is connected to an L-shaped guide pipe, one end of the L-shaped guide pipe extends to the inside of the recovery main pipe, the other side of the top of the recovery box is connected to a recovery secondary pipe, the top wall of the recovery box is fixedly connected to a partition plate, one side of the partition plate is provided with a plurality of solution nozzles, a sedimentation tank is provided at the bottom of the recovery box, and the other side of the partition plate is provided with a plurality of adsorbent boxes symmetrically distributed up and down, and a plurality of ventilation holes are opened inside the adsorbent box.

[0008] In order to achieve the effect of blocking the dissolved gas entering the recovery main pipe, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a circular baffle is provided inside the recovery main pipe, a rotating rod is fixed inside the circular baffle, a ring is fixed outside the recovery main pipe, a screw cover is provided outside the ring, one end of the rotating rod passes through the recovery main pipe and the ring in sequence and is fixedly connected to the outer wall of one side of the screw cover, the ring is movably connected to the outer wall of the rotating rod through a first through hole, and the other end of the rotating rod extends out of the recovery main pipe and is movably connected to the inside of the ring.

[0009] In order to achieve the effect of normal operation between the rotating rod and the ring, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a rotating groove is opened inside the ring, a rotating plate is arranged inside the rotating groove, and the rotating rod extends to one end of the ring and is fixedly connected to the outer wall of one side of the rotating plate.

[0010] In order to achieve the effect of limiting and fixing the rotating rod, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a plug rod is provided on the outside of the recovery main pipe and located on the top of the circular ring. The circular ring is plugged into and matched with the outer wall of the plug rod through the first plug hole opened. The plug rod extends to the outer wall of the first through hole and is plugged into and matched with the inner wall of the second plug hole opened inside the rotating rod.

[0011] In order to achieve the effect of mixing the solution in the solution tank with the dissolved gas, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a solution tank is fixed on the top of the recovery tank, a liquid pump is arranged on the top of the recovery tank, one side of the liquid pump is connected to a liquid pumping pipe, the other end of the liquid pumping pipe extends to the inside of the solution tank, the bottom of the liquid pump is connected to a first liquid inlet pipe, the first liquid inlet pipe extends to one side of a partition plate and is connected to a second liquid inlet pipe, the other end of the second liquid inlet pipe extends to the inside of the solution nozzle.

[0012] In order to achieve the effect of more convenient disassembly and assembly of the adsorbent box, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, the partition plate is plugged into the outer wall of the adsorbent box through an opened slot, and the adsorbent box extends out of the recovery box and is fixedly connected to a mounting plate at one end, a fixing screw is provided on one side of the mounting plate, and the mounting plate is movably connected to the outer wall of the fixing screw through a second through hole, and the fixing screw extends out of the outer wall of the second through hole and is threadedly connected to the inner wall of the threaded groove opened on one side of the recovery box.

[0013] In order to achieve the effect of replacing the adsorbent in the adsorbent box, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a feeding port is provided on the front side of the adsorbent box, a block is provided inside the feeding port, a movable groove is provided inside the block, a spring is fixedly connected to the bottom wall of the movable groove, a limiting rod is fixedly connected to the top of the spring, and the limiting rod extends out of the outer wall of the movable groove and is movably connected to the inner wall of the limiting hole provided inside the adsorbent box.

[0014] In order to achieve the effect of changing water in the sedimentation tank, the utility model provides a dissolved gas recovery structure for a methanol synthesis device. Preferably, a water outlet pipe is connected to the bottom of one side of the recovery box, a valve is provided on one side of the recovery box at the top of the water outlet pipe, a water filling pipe is provided on one side of the recovery box at the top of the water outlet pipe, and a sealing cover is threadedly connected to one side of the water filling pipe.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The dissolved gas recovery structure of the methanol synthesis device can absorb and process the toxic components in the dissolved gas through the cooperation of the solution nozzle, the sedimentation tank and the adsorbent box by adopting a recovery mechanism, and then send the dissolved gas after the toxic components are removed into the fuel gas pipe as fuel gas through the recovery secondary pipe, so as to avoid the toxic components in the dissolved gas from polluting the air environment and also prevent the toxic components from being inhaled into the human body along with the air. The problem that the existing methanol dissolved gas recovery is to send the dissolved gas into the factory fuel gas pipeline network as fuel gas, so that the toxic components in the dissolved gas are not processed in time and still exist in the fuel gas, which will cause certain pollution to the environment in the air, and the toxic components will be inhaled into the human body along with the air, causing certain harm to people's bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of a dissolved gas recovery structure of a methanol synthesis device provided by the utility model;

[0018] Figure 2 This is a schematic diagram of the connection between the recycling main pipe and the circular baffle of the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the recycling box structure of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of the structure of the adsorbent box of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the stopper of the utility model;

[0022] Figure 6 This is a schematic diagram of the internal structure of the recycling box of the utility model;

[0023] Figure 7 For this utility model Figure 6 Enlarged schematic diagram at point A in the middle.

[0024] Among them: 1. Synthetic box; 2. Recovery main pipe; 201. Circular baffle; 202. Rotating rod; 203. Ring; 204. Rotary cover; 205. First through hole; 206. Rotating groove; 207. Rotating plate; 208. Insertion rod; 209. First plug hole; 210. Second plug hole; 3. Horizontal plate; 301. Recovery box; 302. L-shaped flow guide pipe; 303. Recovery secondary pipe; 304. Partition plate; 305. Solution nozzle; 306. Sedimentation tank; 307. Adsorbent box; 308. Air hole; 309, solution box; 310, suction pump; 311, suction pipe; 312, first liquid inlet pipe; 313, second liquid inlet pipe; 314, slot; 315, mounting plate; 316, fixing screw; 317, second through hole; 318, threaded groove; 319, feeding port; 320, stopper; 321, movable groove; 322, spring; 323, limit rod; 324, limit hole; 325, water outlet pipe; 326, valve; 327, water filling pipe; 328, sealing cover; 4, vertical rod. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a dissolved gas recovery structure of a methanol synthesis device provided by the utility model; Figure 2 This is a schematic diagram of the connection between the recycling main pipe and the circular baffle of the utility model; Figure 3 This is a three-dimensional diagram of the recycling box structure of the utility model; Figure 4 This is a three-dimensional diagram of the structure of the adsorbent box of the utility model; Figure 5 This is a schematic diagram of the internal structure of the stopper of the utility model; Figure 6 This is a schematic diagram of the internal structure of the recycling box of the utility model; Figure 7 For this utility model Figure 6A schematic diagram of the methanol synthesis device at A is enlarged. A dissolved gas recovery structure comprises a synthesis box 1, a recovery main pipe 2 is connected to the top of the synthesis box 1, a horizontal plate 3 is fixed to the top of the synthesis box 1 and located outside the recovery main pipe 2, two groups of vertical rods 4 are fixed to the bottom of the horizontal plate 3 and are symmetrically distributed, the bottom ends of the vertical rods 4 are fixedly connected to one side of the top of the synthesis box 1, a recovery mechanism for dissolved gas is arranged on the top of the horizontal plate 3, and the recovery mechanism comprises a recovery box 301, an L-shaped guide pipe 302 is connected to one side of the top of the recovery box 301, and the L-shaped guide pipe 302 is connected to one side of the top of the recovery box 301. The end extends to the inside of the recovery main pipe 2, the other side of the top of the recovery box 301 is connected to the recovery secondary pipe 303, the top wall of the recovery box 301 is fixedly connected to a partition plate 304, one side of the partition plate 304 is provided with a plurality of solution nozzles 305, the bottom of the recovery box 301 is provided with a sedimentation tank 306, and the other side of the partition plate 304 is provided with a plurality of adsorbent boxes 307 symmetrically distributed up and down, and a plurality of ventilation holes 308 are opened inside the adsorbent box 307, and the diameter of the ventilation hole 308 is smaller than the diameter of the activated carbon adsorbent.

[0027] Reference Figure 1 and Figure 2 A circular baffle 201 is arranged inside the recycling main pipe 2, a rotating rod 202 is fixed inside the circular baffle 201, a circular ring 203 is fixed on the outside of the recycling main pipe 2, a rotating cover 204 is arranged on the outside of the circular ring 203, one end of the rotating rod 202 passes through the recycling main pipe 2 and the circular ring 203 in sequence and is fixedly connected to the outer wall of one side of the rotating cover 204, the circular ring 203 is movably connected to the outer wall of the rotating rod 202 through the first through hole 205 opened, the other end of the rotating rod 202 extends out of the recycling main pipe 2 and is movably connected to the inside of the circular ring 203, a rotating groove 206 is opened inside the circular ring 203, a rotating plate 207 is arranged inside the rotating groove 206, the rotating rod 202 extends to one end of the circular ring 203 and is fixedly connected to the outer wall of one side of the rotating plate 207.

[0028] Through the above technical scheme, the circular baffle 201 blocks the dissolved gas entering the recovery main pipe 2. When the dissolved gas in the synthesis box 1 needs to be recovered and processed, the rotary cover 204 on the outside of the ring 203 is rotated, and the rotating rod 202 and the circular baffle 201 are driven to rotate through the rotary cover 204, so that the circular baffle 201 is turned to a vertical state, thereby allowing the dissolved gas in the synthesis box 1 to enter the recovery main pipe 2.

[0029] Reference Figure 2A plug rod 208 is provided on the outside of the recovery main pipe 2 and at the top of the ring 203. The ring 203 is plugged into the outer wall of the plug rod 208 through the first plug hole 209. The plug rod 208 extends to the outer wall of the first through hole 205 and is plugged into the inner wall of the second plug hole 210 opened inside the rotating rod 202. The rotating rod 202 and the circular baffle 201 can be limited by the action of the plug rod 208 to prevent the circular baffle 201 from rotating inside the recovery main pipe 2, so as to prevent the dissolved gas from entering the recovery main pipe 2 when the dissolved gas does not need to be recovered.

[0030] Reference Figure 1 , Figure 3 and Figure 6 A solution tank 309 is fixed on the top of the recovery tank 301, and a liquid pump 310 is arranged on the top of the recovery tank 301. A liquid pump 311 is connected to one side of the liquid pump 310, and the other end of the liquid pump 311 extends to the inside of the solution tank 309. A first liquid inlet pipe 312 is connected to the bottom of the liquid pump 310, and the first liquid inlet pipe 312 extends to one side of the partition plate 304 and is connected to a second liquid inlet pipe 313, and the other end of the second liquid inlet pipe 313 extends to the inside of the solution nozzle 305.

[0031] Through the above technical scheme, the chemical components in the solution in the solution tank 309 can separate the dissolved gas from the toxic components inside it. The solution in the solution tank 309 is extracted by the liquid pump 310 and enters the first liquid inlet pipe 312 through the liquid extraction pipe 311, and then enters the second liquid inlet pipe 313 through the first liquid inlet pipe 312 and is sprayed on the dissolved gas entering the recovery tank 301 through the solution nozzle 305, so that the solution sprayed by the solution nozzle 305 separates and processes the toxic components in the dissolved gas.

[0032] Reference Figure 3 , Figure 6 and Figure 7 The partition plate 304 is plugged into and matched with the outer wall of the adsorbent box 307 through the slot 314 provided therein, and the adsorbent box 307 extends out of one end of the recycling box 301 and is fixedly connected with a mounting plate 315, and a fixing screw 316 is provided on one side of the mounting plate 315, and the mounting plate 315 is movably connected with the outer wall of the fixing screw 316 through the second through hole 317 provided therein, and the fixing screw 316 extends out of the outer wall of the second through hole 317 and is threadedly connected with the inner wall of the thread groove 318 provided on one side of the recycling box 301, and the adsorbent in the adsorbent box 307 is an activated carbon adsorbent, and a plurality of adsorbent boxes 307 can be installed inside the recycling box 301 through the mounting plate 315, and the mounting plate 315 can be fixed on the recycling box 301 through the threaded connection between the fixing screw 316 and the thread groove 318, so that the mounting plate 315 and the adsorbent box 307 in the recycling box 301 are more firmly and reliably secured.

[0033] Refer to 4 and Figure 5The front side of the adsorbent box 307 is provided with a feeding port 319, and a stopper 320 is arranged inside the feeding port 319. A movable groove 321 is provided inside the stopper 320. The bottom wall of the movable groove 321 is fixedly connected with a spring 322, and the top of the spring 322 is fixedly connected with a limiting rod 323. The limiting rod 323 extends out of the outer wall of the movable groove 321 and is movably connected with the inner wall of the limiting hole 324 opened in the adsorbent box 307. When the adsorbent in the adsorbent box 307 needs to be replaced, the limiting rod 323 in the limiting hole 324 is pressed to move the limiting rod 323 to the inside of the movable groove 321, and then the stopper 320 can be removed from the feeding port 319, and then the adsorbent in the adsorbent box 307 can be poured out, and then the new adsorbent can be put into the adsorbent box 307, so that the adsorbent in the adsorbent box 307 can be replaced more conveniently.

[0034] Reference Figure 3 , Figure 6 and Figure 7 A water outlet pipe 325 is connected to the bottom of one side of the recovery box 301, a valve 326 is provided on one side of the recovery box 301 and located at the top of the water outlet pipe 325, a water filling pipe 327 is provided on one side of the recovery box 301 and located at the top of the water outlet pipe 325, and a sealing cover 328 is threadedly connected to one side of the water filling pipe 327. The valve 326 on the top of the water outlet pipe 325 is opened to discharge the liquid in the sedimentation tank 306 through the water outlet pipe 325, and new water can be added to the sedimentation tank 306 through the water filling pipe 327, so that the water change of the sedimentation tank 306 is more convenient.

[0035] The implementation principle of the dissolved gas recovery structure of a methanol synthesis device in an embodiment of the utility model is: by adopting a recovery mechanism, through the cooperation between the solution nozzle 305, the sedimentation tank 306 and the adsorbent box 307, the toxic components in the dissolved gas can be absorbed and processed, and then the dissolved gas after the toxic components are removed is sent to the fuel gas pipe as fuel gas through the recovery secondary pipe 303, so as to avoid the toxic components in the dissolved gas from polluting the air environment, and also prevent the toxic components from being inhaled into the human body along with the air.

[0036] The standard parts used in the utility model can all be purchased from the market, special-shaped parts can be customized according to the description in the specification and the drawings, the specific connection methods of each part all adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dissolved gas recovery structure for a methanol synthesis device, characterized in that: The invention comprises a synthesis box (1), the top of the synthesis box (1) is connected to a recovery main pipe (2), a horizontal plate (3) is fixed on the top of the synthesis box (1) and located outside the recovery main pipe (2), two groups of vertical rods (4) symmetrically distributed on the left and right are fixed on the bottom of the horizontal plate (3), the bottom ends of the vertical rods (4) are fixedly connected to one side of the top of the synthesis box (1), and a recovery mechanism for dissolved gas is arranged on the top of the horizontal plate (3); The recovery mechanism comprises a recovery box (301), one side of the top of the recovery box (301) is connected to an L-shaped guide pipe (302), one end of the L-shaped guide pipe (302) extends into the interior of the recovery main pipe (2), the other side of the top of the recovery box (301) is connected to a recovery secondary pipe (303), a partition plate (304) is fixedly connected to the top wall of the recovery box (301), one side of the partition plate (304) is provided with a plurality of solution nozzles (305), a sedimentation tank (306) is provided at the bottom of the recovery box (301), and the other side of the partition plate (304) is provided with a plurality of adsorbent boxes (307) symmetrically distributed up and down, and a plurality of ventilation holes (308) are opened inside the adsorbent box (307).

2. A dissolved gas recovery structure for a methanol synthesis device according to claim 1, characterized in that: A circular baffle (201) is arranged inside the recovery main pipe (2), a rotating rod (202) is fixed inside the circular baffle (201), a circular ring (203) is fixed outside the recovery main pipe (2), a rotating cover (204) is arranged outside the circular ring (203), one end of the rotating rod (202) passes through the recovery main pipe (2) and the circular ring (203) in sequence and is fixedly connected to the outer wall of one side of the rotating cover (204), the circular ring (203) is movably connected to the outer wall of the rotating rod (202) through a first through hole (205) provided therein, and the other end of the rotating rod (202) extends out of the recovery main pipe (2) and is movably connected to the inside of the circular ring (203).

3. A dissolved gas recovery structure for a methanol synthesis device according to claim 2, characterized in that: A rotating groove (206) is provided inside the circular ring (203), a rotating plate (207) is provided inside the rotating groove (206), and the rotating rod (202) extends to one end of the circular ring (203) and is fixedly connected to an outer wall of one side of the rotating plate (207).

4. A dissolved gas recovery structure for a methanol synthesis device according to claim 2, characterized in that: An insertion rod (208) is arranged outside the recovery main pipe (2) and located at the top of the circular ring (203); the circular ring (203) is plugged into and matched with the outer wall of the insertion rod (208) through a first plug hole (209); the insertion rod (208) extends to the outer wall of the first through hole (205) and is plugged into and matched with the inner wall of a second plug hole (210) provided inside the rotating rod (202).

5. The dissolved gas recovery structure of a methanol synthesis device according to claim 1, characterized in that: A solution tank (309) is fixed on the top of the recovery tank (301), and a liquid pump (310) is arranged on the top of the recovery tank (301). A liquid pump (311) is connected to one side of the liquid pump (310), and the other end of the liquid pump (311) extends to the inside of the solution tank (309). A first liquid inlet pipe (312) is connected to the bottom of the liquid pump (310), and the first liquid inlet pipe (312) extends to one side of the partition plate (304) and is connected to a second liquid inlet pipe (313), and the other end of the second liquid inlet pipe (313) extends to the inside of the solution nozzle (305).

6. A dissolved gas recovery structure for a methanol synthesis device according to claim 1, characterized in that: The partition plate (304) is plugged into and matched with the outer wall of the adsorbent box (307) through the slot (314) provided therein; the adsorbent box (307) extends out of one end of the recovery box (301) and is fixedly connected to a mounting plate (315); a fixing screw (316) is provided on one side of the mounting plate (315); the mounting plate (315) is movably connected to the outer wall of the fixing screw (316) through a second through hole (317) provided therein; the fixing screw (316) extends out of the outer wall of the second through hole (317) and is threadedly connected to the inner wall of a threaded groove (318) provided on one side of the recovery box (301).

7. The dissolved gas recovery structure of a methanol synthesis device according to claim 1, characterized in that: A feeding port (319) is provided on the front of the adsorbent box (307), a block (320) is provided inside the feeding port (319), a movable groove (321) is provided inside the block (320), a spring (322) is fixedly connected to the bottom wall of the movable groove (321), a limiting rod (323) is fixedly connected to the top of the spring (322), and the limiting rod (323) extends out of the outer wall of the movable groove (321) and is movably connected to the inner wall of the limiting hole (324) provided inside the adsorbent box (307).

8. The dissolved gas recovery structure of a methanol synthesis device according to claim 1, characterized in that: A water outlet pipe (325) is connected to the bottom of one side of the recovery box (301), a valve (326) is provided on one side of the recovery box (301) at the top of the water outlet pipe (325), a water supply pipe (327) is provided on one side of the recovery box (301) at the top of the water outlet pipe (325), and a sealing cover (328) is threadedly connected to one side of the water supply pipe (327).

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