Double-tower nitrogen preparation device

Abstract

The utility model discloses a twin-tower nitrogen preparation device, relates to nitrogen preparation device technical field, including preparation tank no. 1, preparation tank no. 2 and storage pipe, preparation tank no. 1 and preparation tank no. 2 top fixedly connected with U-shaped pipe no. A filtering adsorption mechanism is arranged at the top of the combustion box, a threaded cylinder is arranged at the top of the filtering adsorption mechanism, exhaust mechanisms are arranged at the top of the first preparation tank and the top of the second preparation tank correspondingly, and a second U-shaped pipe is fixedly connected to the middle of the front face of the first preparation tank and the middle of the front face of the second preparation tank; a third U-shaped pipe is fixedly connected to the lower side of the back of the first preparation tank and the lower side of the back of the second preparation tank, and a combustion mechanism is arranged on the back of the combustion box. Dust and impurities in waste nitrogen are filtered through the filter screen, moisture contained in the waste nitrogen is adsorbed through the activated carbon filter cotton, flame is jetted by opening the ignition electric nozzle, and oxygen in the waste nitrogen is eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen preparation devices, in particular to a double-tower nitrogen preparation device. Background Art

[0002] There are two conventional air separation nitrogen production processes. One is to use a single tower reflux expansion process to produce pressurized nitrogen. Because the process is simple, easy to operate and the product can be directly used by users, it is widely used in electronics, float glass and other industries; but because the overall extraction rate of the process device is low and the product energy consumption is high, the process is generally used more when the nitrogen volume is less than 4000Nm3 / h and the pressure is 0.4-0.9Mpa(G); the other is to use a double tower positive flow to produce low-pressure nitrogen. This process has a high extraction rate and low energy consumption, and is suitable for large-scale nitrogen production devices. The following problems exist in the existing technology:

[0003] The existing contaminated nitrogen gas has a high oxygen content, generally 60%-75% oxygen. It is extremely dangerous to use the contaminated nitrogen gas as regeneration gas in subsequent processes. Secondly, after the nitrogen production is completed, the nitrogen is stored in a storage tank, but the nitrogen in the nitrogen production tank is discharged slowly, which reduces the working efficiency of the device. Utility Model Content

[0004] The utility model provides a double-tower nitrogen preparation device to solve the problems existing in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A double-tower nitrogen production device comprises a production tank 1, a production tank 2 and a storage tube, wherein the storage tube is arranged between the production tank 1 and the production tank 2, and the production tank 1 and the production tank 2 have the same structure, the front tops of the production tank 1 and the production tank 2 are fixedly connected with a U-shaped tube 1, the middle top of the U-shaped tube 1 is fixedly connected with a connecting tube 1, the top of the connecting tube 1 is provided with a combustion box, the top of the combustion box is provided with a filtering and adsorption mechanism, the top of the filtering and adsorption mechanism is provided with a threaded cylinder, the tops of the production tank 1 and the production tank 2 are respectively provided with An exhaust mechanism is provided, and the bottom of the exhaust mechanism penetrates into the interior of the preparation tank one and the preparation tank two, a U-shaped tube two is fixedly connected to the middle of the front of the preparation tank one and the preparation tank two, a connecting tube two is fixedly connected to the front end of the middle side of the U-shaped tube two, a U-shaped tube three is fixedly connected to the lower side of the back of the preparation tank one and the preparation tank two, a connecting tube three is fixedly connected to the front end of the middle side of the U-shaped tube three, a mounting tube is fixedly connected to the lower side of the back of the storage tube, a combustion mechanism is provided on the back of the combustion box, and the front side of the combustion mechanism penetrates into the interior of the combustion box.

[0007] A further improvement of the technical solution of the utility model lies in that: the front end outer wall of the connecting tube three penetrates to the inner wall of the mounting tube, the interiors of the U-shaped tube one and the connecting tube one are mutually connected, the interiors of the U-shaped tube two and the connecting tube two are mutually connected, the interiors of the U-shaped tube three and the connecting tube three are mutually connected, the U-shaped tube one and the U-shaped tube two are respectively connected to the interiors of the production tank one and the production tank two, and the interior of the connecting tube three is connected to the interior of the storage tube.

[0008] A further improvement of the technical solution of the utility model is that the filtering and adsorption mechanism includes a mounting shell, the top of the mounting shell is provided with two communicating holes which pass through inside and outside, the top of the mounting shell near the second communicating hole is fixedly connected with two threaded tubes, the bottom of the mounting shell is fixedly connected with a fixed tube, the bottom outer wall of the fixed tube is provided with two threads, a filter net is provided on the upper side of the inner wall of the mounting shell, and activated carbon filter cotton is provided on the lower side of the inner wall of the mounting shell.

[0009] A further improvement of the technical solution of the utility model is that the outer wall of the bottom of the threaded barrel is threadedly connected to the inner wall of the second threaded tube.

[0010] A further improvement of the technical solution of the utility model is that a connecting hole that penetrates inside and outside is opened in the middle side of the upper and lower ends of the combustion box, a threaded tube is fixedly connected to the middle side of the upper and lower ends of the combustion box, the inner wall of the threaded tube is threadedly connected to the bottom of the outer wall of the fixed tube, a thread is provided on the top of the outer wall of the connecting tube, and the inner wall of the threaded tube on the lower side is threadedly connected to the top of the outer wall of the connecting tube.

[0011] A further improvement of the technical solution of the utility model is that the combustion mechanism includes a fuel tank, a fuel pipe is fixedly connected to the front side of the fuel tank, the front end of the outer wall of the fuel pipe passes through the interior of the combustion box and is fixedly connected to an ignition nozzle, and the front end of the fuel tank is fixedly connected to the back of the combustion box.

[0012] A further improvement of the technical solution of the utility model is that the exhaust mechanism includes a hydraulic cylinder, the output end of the hydraulic cylinder penetrates into the interior of the preparation tank and is fixedly connected to a push rod, the bottom of the push rod is fixedly connected to a movable disk, and the outer wall of the movable disk is provided with a rubber ring.

[0013] A further improvement of the technical solution of the utility model is that the outer wall of the rubber ring overlaps the inner wall of the first production tank.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a double-tower nitrogen preparation device, which adopts the cooperation between a U-shaped tube, a combustion box, a filtering and adsorption mechanism, and a threaded barrel. The dirty nitrogen gas passes through the threaded barrel into the installation shell, so that the filter screen filters the dust and impurities in the dirty nitrogen gas, and then passes through the activated carbon filter cotton to adsorb the moisture contained in the dirty nitrogen gas, and then is discharged into the combustion box through a fixed pipe. The ignition nozzle is turned on to spray the flame, so as to eliminate the oxygen in the dirty nitrogen gas, solves the problem that the oxygen content in the existing dirty nitrogen gas is high, generally 60%-75% of oxygen, and there is a great danger in using the dirty nitrogen gas as the regeneration gas in the subsequent process, and achieves the beneficial effect of removing impurities, moisture and oxygen in the dirty nitrogen gas, avoiding the great danger of using the dirty nitrogen gas as the regeneration gas in the subsequent process.

[0016] 2. The utility model provides a double-tower nitrogen production device, which adopts the cooperation between the U-shaped pipe three, the connecting pipe three and the exhaust mechanism. By starting the hydraulic cylinder, the output end of the hydraulic cylinder drives the moving plate to push downward through the push rod, thereby compressing the nitrogen produced in the production tank one and the production tank two downward, so that it enters the storage pipe uniformly through the U-shaped pipe three and the connecting pipe three, which solves the problem that after the nitrogen production is completed, the nitrogen is stored in the storage tank, but the nitrogen in the nitrogen production tank is discharged slowly, which reduces the working efficiency of the device, and achieves the beneficial effect of facilitating and quickly transporting the produced nitrogen to the storage pipe for storage, thereby improving the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view schematic diagram of the three-dimensional structure of the double-tower nitrogen production device of the utility model;

[0018] Figure 2 It is a schematic diagram of the back side of the three-dimensional structure of the double-tower nitrogen production device of the utility model;

[0019] Figure 3 It is a schematic cross-sectional view of the three-dimensional structure of the filtering and adsorption mechanism of the utility model;

[0020] Figure 4 This is a schematic cross-sectional view of the three-dimensional structure of the combustion box of the utility model.

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the exhaust mechanism of the utility model.

[0022] In the figure: 1. Preparation tank one; 2. Preparation tank two; 3. Storage tube; 4. U-shaped tube one; 5. Connecting tube one; 51. Thread one; 6. Combustion box; 61. Threaded tube one; 601. Connecting hole one; 7. Filter adsorption mechanism; 71. Mounting shell; 710. Connecting hole two; 72. Threaded tube two; 73. Fixed tube; 730. Thread two; 74. Filter net; 75. Activated carbon filter cotton; 8. Threaded tube; 9. Exhaust mechanism; 91. Hydraulic cylinder; 92. Push rod; 93. Moving plate; 94. Rubber ring; 10. U-shaped tube two; 11. Connecting tube two; 12. Combustion mechanism; 121. Fuel tank; 122. Fuel pipe; 123. Ignition nozzle; 13. U-shaped tube three; 14. Connecting tube three; 15. Mounting tube. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods:

[0024] like Figure 1 As shown, the utility model provides a double-tower nitrogen production device, including a production tank 1, a production tank 2 and a storage tube 3, the storage tube 3 is arranged between the production tank 1 and the production tank 2, and the production tank 1 and the production tank 2 have the same structure, the front top of the production tank 1 and the production tank 2 is fixedly connected with a U-shaped tube 4, the middle top of the U-shaped tube 4 is fixedly connected with a connecting tube 5, the top of the connecting tube 5 is provided with a combustion box 6, the top of the combustion box 6 is provided with a filtering and adsorption mechanism 7, the top of the filtering and adsorption mechanism 7 is provided with a threaded cylinder 8, the top part of the production tank 1 and the production tank 2 An exhaust mechanism 9 is provided separately, and the bottom of the exhaust mechanism 9 penetrates into the interior of the preparation tank 1 and the preparation tank 2; a U-shaped tube 2 10 is fixedly connected to the middle of the front of the preparation tank 1 and the preparation tank 2; a connecting tube 2 11 is fixedly connected to the front end of the middle side of the U-shaped tube 2 10; a U-shaped tube 3 13 is fixedly connected to the lower side of the back of the preparation tank 1 and the preparation tank 2; a connecting tube 3 14 is fixedly connected to the front end of the middle side of the U-shaped tube 3 13; a mounting tube 15 is fixedly connected to the lower side of the back of the storage tube 3; a combustion mechanism 12 is provided on the back of the combustion box 6, and the front side of the combustion mechanism 12 penetrates into the interior of the combustion box 6;

[0025] A U-shaped tube 1 4, a connecting tube 1 5, a combustion box 6, a filtering and adsorption mechanism 7, a threaded barrel 8, an exhaust mechanism 9, a U-shaped tube 2 10, a connecting tube 2 11, a combustion mechanism 12, a U-shaped tube 3 13, a connecting tube 3 14 and an installation tube 15 are arranged. Dust, moisture and oxygen in the contaminated nitrogen gas are eliminated by the filtering and adsorption mechanism 7 and the threaded barrel 8 to avoid the great danger of using the contaminated nitrogen gas as regeneration gas in subsequent processes. Then, the nitrogen produced in the production tank 1 1 and the production tank 2 2 can be quickly discharged into the storage tube 3 for storage by operating the exhaust mechanism 9.

[0026] like Figure 2 As shown, the utility model provides a technical solution for a double-tower nitrogen production device: the front end outer wall of the connecting pipe three 14 penetrates to the inner wall of the installation pipe 15, the interiors of the U-shaped tube 14 and the connecting pipe 15 are mutually connected, the interiors of the U-shaped tube 2 10 and the connecting pipe 2 11 are mutually connected, the interiors of the U-shaped tube three 13 and the connecting pipe three 14 are mutually connected, the U-shaped tube 14 and the U-shaped tube 2 10 are respectively connected to the interiors of the production tank 1 and the production tank 2 2, the interior of the connecting pipe three 14 is connected to the interior of the storage tube 3, the dirty nitrogen is transported into the production tank 1 and the production tank 2 2 through the U-shaped tube 14 and the connecting pipe 15, the reaction gas is transported into the production tank 1 and the production tank 2 2 through the U-shaped tube 2 10 and the connecting pipe 2 11, and the produced nitrogen is transported into the storage tube 3 through the U-shaped tube 3 13 and the connecting pipe 3 14.

[0027] like Figure 3 As shown, the utility model provides a technical solution for a double-tower nitrogen production device: the filtering and adsorption mechanism 7 includes a mounting shell 71, the top of the mounting shell 71 is provided with a second connecting hole 710 that passes through the inside and outside, the top of the mounting shell 71 near the second connecting hole 710 is fixedly connected with a second threaded pipe 72, the bottom of the mounting shell 71 is fixedly connected with a fixed pipe 73, the bottom outer wall of the fixed pipe 73 is provided with a second thread 730, a filter screen 74 is provided on the upper side of the inner wall of the mounting shell 71, and an activated carbon filter cotton 75 is provided on the lower side of the inner wall of the mounting shell 71, dust impurities and water vapor in the dirty nitrogen are filtered and adsorbed by the filter screen 74 and the activated carbon filter cotton 75 respectively, the bottom outer wall of the threaded barrel 8 is threadedly connected to the inner wall of the second threaded pipe 72, and the filtering and adsorption mechanism 7 can be easily replaced through the second threaded pipe 72 and the fixed pipe 73.

[0028] like Figure 4 As shown, the utility model provides a technical solution for a double-tower nitrogen production device: a connecting hole 601 that passes through the inside and outside is opened in the middle side of the upper and lower ends of the combustion box 6, a threaded pipe 61 is fixedly connected to the middle side of the upper and lower ends of the combustion box 6, the inner wall of the threaded pipe 61 is threadedly connected to the bottom of the outer wall of the fixed pipe 73, a thread 51 is provided on the top of the outer wall of the connecting pipe 5, the inner wall of the lower threaded pipe 61 is threadedly connected to the top of the outer wall of the connecting pipe 5, the combustion mechanism 12 includes an oil tank 121, the front side of the oil tank 121 is fixedly connected to a fuel pipe 122, the front end of the outer wall of the fuel pipe 122 passes through the interior of the combustion box 6 and is fixedly connected to an ignition nozzle 123, through the cooperation between the oil tank 121, the fuel pipe 122 and the ignition nozzle 123, it is convenient to burn out the residual oxygen in the dirty nitrogen, and the front end of the oil tank 121 is fixedly connected to the back of the combustion box 6.

[0029] like Figure 5As shown, the utility model provides a technical solution for a double-tower nitrogen production device: an exhaust mechanism 9 includes a hydraulic cylinder 91, an output end of the hydraulic cylinder 91 penetrates into the interior of the production tank 1 and is fixedly connected to a push rod 92, a bottom of the push rod 92 is fixedly connected to a moving plate 93, an outer wall of the moving plate 93 is provided with a rubber ring 94, an outer wall of the rubber ring 94 overlaps with the inner wall of the production tank 1, and the moving plate 93 is driven downward by the hydraulic cylinder 91 to quickly transport the produced nitrogen in the production tank 1 and the production tank 2 into the storage tube 3.

[0030] The working principle of this double-tower nitrogen production device is described in detail below.

[0031] like Figure 1-5 As shown, first, the device is connected to a power source, and the dirty nitrogen gas enters the mounting shell 71 through the threaded tube 8, and then the dust impurities in the dirty nitrogen gas are filtered out through the filter screen 74, and then the moisture in the dirty nitrogen gas is adsorbed through the activated carbon filter cotton 75, so as to ensure the dryness of the dirty nitrogen gas, and then the dirty nitrogen gas enters the combustion box 6 through the fixed pipe 73, and the ignition nozzle 123 is started to spray the flame, so that the oxygen in the nitrogen gas is burned out, so that oxygen is involved in the following process, avoiding the great danger of using the dirty nitrogen gas as the regeneration gas in the subsequent process, and then, The polluted nitrogen gas enters into the preparation tank 1 and the preparation tank 2 through the connecting pipe 1 5 and the U-shaped pipe 1 4 respectively, and then the reaction gas is introduced into the preparation tank 1 and the preparation tank 2 from the U-shaped pipe 2 10 and the connecting pipe 2 11, and nitrogen is obtained after the reaction, and then the hydraulic cylinder 91 is started, and the output end of the hydraulic cylinder 91 drives the moving disk 93 to push downward through the push rod 92, so that the rubber ring 94 slides along the inner wall of the preparation tank 1 and the preparation tank 2, thereby compressing the prepared nitrogen in the preparation tank 1 and the preparation tank 2 downward, and enters into the storage pipe 3 through the U-shaped pipe 3 13 and the connecting pipe 3 14 for storage.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A double-tower nitrogen production device, comprising a production tank 1 (1), a production tank 2 (2) and a storage tube (3), characterized in that: The storage pipe (3) is arranged between the first preparation tank (1) and the second preparation tank (2), and the structures of the first preparation tank (1) and the second preparation tank (2) are the same. The front tops of the first preparation tank (1) and the second preparation tank (2) are fixedly connected with a U-shaped pipe (4), the middle top of the first U-shaped pipe (4) is fixedly connected with a connecting pipe (5), the top of the connecting pipe (5) is provided with a combustion box (6), the top of the combustion box (6) is provided with a filtering and adsorption mechanism (7), the top of the filtering and adsorption mechanism (7) is provided with a threaded cylinder (8), the tops of the first preparation tank (1) and the second preparation tank (2) are respectively provided with exhaust mechanisms (9), and the exhaust mechanisms (9) are provided with a plurality of threads. The bottom part penetrates into the interior of the first preparation tank (1) and the second preparation tank (2); the middle part of the front of the first preparation tank (1) and the second preparation tank (2) is fixedly connected with a U-shaped tube (10); the middle front end of the second U-shaped tube (10) is fixedly connected with a connecting tube (11); the lower back side of the first preparation tank (1) and the second preparation tank (2) is fixedly connected with a U-shaped tube (13); the middle front end of the third U-shaped tube (13) is fixedly connected with a connecting tube (14); the lower back side of the storage tube (3) is fixedly connected with a mounting tube (15); the back of the combustion box (6) is provided with a combustion mechanism (12), and the front side of the combustion mechanism (12) penetrates into the interior of the combustion box (6).

2. A double-tower nitrogen production device according to claim 1, characterized in that: The front end outer wall of the connecting pipe three (14) penetrates the inner wall of the mounting pipe (15); the interiors of the U-shaped pipe one (4) and the connecting pipe one (5) are mutually connected; the interiors of the U-shaped pipe two (10) and the connecting pipe two (11) are mutually connected; the interiors of the U-shaped pipe three (13) and the connecting pipe three (14) are mutually connected; the U-shaped pipe one (4) and the U-shaped pipe two (10) are respectively connected to the interiors of the preparation tank one (1) and the preparation tank two (2); the interior of the connecting pipe three (14) is mutually connected to the interior of the storage pipe (3).

3. A double-tower nitrogen production device according to claim 1, characterized in that: The filtering and adsorption mechanism (7) comprises a mounting shell (71), the top of the mounting shell (71) is provided with a second communicating hole (710) which passes through the inside and outside, the top of the mounting shell (71) is fixedly connected with a second threaded pipe (72) near the second communicating hole (710), the bottom of the mounting shell (71) is fixedly connected with a fixed pipe (73), the bottom outer wall of the fixed pipe (73) is provided with a second thread (730), the upper side of the inner wall of the mounting shell (71) is provided with a filter screen (74), and the lower side of the inner wall of the mounting shell (71) is provided with an activated carbon filter cotton (75).

4. A double-tower nitrogen production device according to claim 1, characterized in that: The outer wall of the bottom of the threaded cylinder (8) is threadedly connected to the inner wall of the second threaded tube (72).

5. A double-tower nitrogen production device according to claim 1, characterized in that: A connecting hole (601) is provided in the middle of the upper and lower ends of the combustion box (6), and a threaded tube (61) is fixedly connected to the middle of the upper and lower ends of the combustion box (6). The inner wall of the threaded tube (61) is threadedly connected to the bottom of the outer wall of the fixed tube (73). The top of the outer wall of the connecting tube (5) is provided with a thread (51), and the inner wall of the threaded tube (61) at the lower side is threadedly connected to the top of the outer wall of the connecting tube (5).

6. A double-tower nitrogen production device according to claim 1, characterized in that: The combustion mechanism (12) comprises an oil tank (121), the front side of the oil tank (121) being fixedly connected to a fuel pipe (122), the front end of the outer wall of the fuel pipe (122) passing through the interior of the combustion box (6) and being fixedly connected to an ignition nozzle (123), and the front end of the oil tank (121) being fixedly connected to the back of the combustion box (6).

7. A double-tower nitrogen production device according to claim 1, characterized in that: The exhaust mechanism (9) comprises a hydraulic cylinder (91), the output end of the hydraulic cylinder (91) penetrates into the interior of the preparation tank (1) and is fixedly connected to a push rod (92), the bottom of the push rod (92) is fixedly connected to a movable plate (93), and the outer wall of the movable plate (93) is provided with a rubber ring (94).

8. A double-tower nitrogen production device according to claim 7, characterized in that: The outer wall of the rubber ring (94) overlaps the inner wall of the preparation tank (1).

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