阅读说明：本技术 一种节能环保的空气分离设备的废气混合排放装置 (Energy-concerving and environment-protective air separation equipment's waste gas mixing discharging equipment ) 是由 周占盈 于 2021-09-14 设计创作，主要内容包括：本发明涉及废气排放技术领域,具体涉及一种节能环保的空气分离设备的废气混合排放装置；液氮罐上设置有减压阀,分离板的内部设置有空腔,输送管路的一端与减压阀相对应,输送管路的另一端与空腔相对应,空气分离设备产生的废气通过进气管进入到混合腔内,同时打开减压阀,使得液氮罐内的液氮汽化后,通过输送管路输送至分离板的空腔内,进而依次通过输送孔和第一通孔,进入到混合腔内,因为氮气的密度较小,从而使得氮气在上升过程中与废气充分混合,从而减少废气中的氧含量,避免废气中氧气过多,容易造成危害。(The invention relates to the technical field of waste gas emission, in particular to an energy-saving and environment-friendly waste gas mixed emission device of air separation equipment; be provided with the relief pressure valve on the liquid nitrogen container, the inside of separator plate is provided with the cavity, pipeline's one end is corresponding with the relief pressure valve, pipeline's the other end is corresponding with the cavity, the waste gas that air separation equipment produced passes through the intake pipe and enters into the hybrid chamber, open the relief pressure valve simultaneously, make liquid nitrogen vaporization in the liquid nitrogen container after, carry to the cavity of separator plate in through pipeline, and then loop through delivery port and first through-hole, enter into the hybrid chamber, because nitrogen gas's density is less, thereby make nitrogen gas at the in-process and the intensive mixing of waste gas that rise, thereby reduce the oxygen content in the waste gas, avoid oxygen too much in the waste gas, cause harm easily.)

1. An energy-saving and environment-friendly waste gas mixing and discharging device of air separation equipment is characterized in that,

the waste gas mixing and discharging device of the energy-saving and environment-friendly air separation equipment comprises a support frame, a shell, a liquid nitrogen tank, a pressure reducing valve, a conveying pipeline and a separating plate, wherein the shell is detachably connected with the support frame and is positioned above the support frame, a partition plate is arranged inside the shell and divides the inside of the shell into a mixing area and a nitrogen area from top to bottom in sequence, the separating plate is arranged inside the nitrogen area, a baffle is arranged inside the mixing area and divides the mixing area into a mixing cavity and a placing area from left to right in sequence, the liquid nitrogen tank is arranged inside the placing area, the pressure reducing valve is arranged on the liquid nitrogen tank, a cavity is arranged inside the separating plate, one end of the conveying pipeline corresponds to the pressure reducing valve, and the other end of the conveying pipeline corresponds to the cavity, the separation plate is provided with a plurality of conveying holes, the partition plate is located one end of the mixing cavity is provided with a plurality of first through holes, the shell is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe corresponds to the mixing cavity, and the air outlet pipe is located at the top of the shell.

2. The waste gas mixing and discharging device of an energy-saving and environment-friendly air separation plant as claimed in claim 1,

the inside in nitrogen gas district still is provided with the division board, the division board will the nitrogen gas district has left side to right side to separate for conveying district and pipeline district in proper order, the division board is located conveying district's inside, be provided with the second through-hole on the division board, conveying pipeline runs through the second through-hole.

3. The waste gas mixing and discharging device of an energy-saving and environment-friendly air separation plant as claimed in claim 2,

the separation plate comprises a plate body and four supports, the inside of the plate body is provided with the cavity, the four bottom corners of the plate body are respectively provided with the supports and each support is far away from one end of the plate body, which is detachably connected with the shell and is positioned inside the conveying area.

4. The waste gas mixing and discharging device of an energy-saving and environment-friendly air separation plant as claimed in claim 3,

every the support all includes connecting plate, backup pad and fixed plate, the one end of backup pad with connecting plate fixed connection, the other end of backup pad with fixed plate fixed connection, the connecting plate with the bottom of shell is dismantled and is connected, the fixed plate with the plate body is dismantled and is connected.

5. The waste gas mixing and discharging device of an energy-saving and environment-friendly air separation plant as claimed in claim 1,

the top of shell still is provided with the stirring unit, the stirring unit includes power component, (mixing) shaft and stirring fan blade, the (mixing) shaft runs through the shell, the one end of (mixing) shaft is provided with from driven tooth portion, the other end of (mixing) shaft is provided with stirring fan blade, stirring fan blade is located the inside of hybrid chamber, power component's output with from driven tooth portion is corresponding.

6. The waste gas mixing and discharging device of an energy-saving and environment-friendly air separation plant as claimed in claim 5,

the power assembly comprises a driving motor, a gear reduction box and an output gear, the driving motor is detachably connected with the top of the shell, the gear reduction box is arranged at the output end of the driving motor, the output gear is arranged at the output end of the gear reduction box, and the output gear is meshed with the driven tooth part.

Technical Field

The invention relates to the technical field of waste gas emission, in particular to an energy-saving and environment-friendly waste gas mixed emission device of air separation equipment.

Background

During operation of large air separation plants, there may be large amounts of oxygen (emission greater than 60000-120000Nm3/h) emitted to the environment along with the off-gas

Exhaust gas containing a large amount of oxygen forms an oxygen-rich region, and the risk of fire or explosion increases with the increase of the oxygen concentration in the air, which is likely to cause damage if the oxygen content in the exhaust gas is not treated.

Disclosure of Invention

The invention aims to provide an energy-saving and environment-friendly waste gas mixing and discharging device of air separation equipment, which solves the problems that in the prior art, waste gas containing a large amount of oxygen forms an oxygen-rich area, the risk of fire or explosion is increased along with the increase of the oxygen concentration in the air, and the waste gas is easily damaged if the oxygen content in the waste gas is not treated.

In order to achieve the purpose, the invention provides an energy-saving and environment-friendly waste gas mixing and discharging device of air separation equipment, which comprises a support frame, a shell, a liquid nitrogen tank, a pressure reducing valve, a conveying pipeline and a separating plate, wherein the shell is detachably connected with the support frame and is positioned above the support frame, a partition plate is arranged inside the shell and divides the inside of the shell into a mixing area and a nitrogen area from top to bottom in sequence, the separating plate is arranged inside the nitrogen area, a baffle plate is arranged inside the mixing area and divides the mixing area into a mixing cavity and a placing area from left to right in sequence, the liquid nitrogen tank is arranged inside the placing area, the pressure reducing valve is arranged on the liquid nitrogen tank, a cavity is arranged inside the separating plate, one end of the conveying pipeline corresponds to the pressure reducing valve, the other end of the conveying pipeline corresponds to the cavity, a plurality of conveying holes are formed in the separating plate, the partition plate is located at one end of the mixing cavity and provided with a plurality of first through holes, an air inlet pipe and an exhaust pipe are arranged on the shell, the air inlet pipe corresponds to the mixing cavity, and the exhaust pipe is located at the top of the shell.

Waste gas that air separation equipment produced passes through the intake pipe enters into in the mixing chamber, open simultaneously the relief pressure valve makes liquid nitrogen vaporization back in the liquid nitrogen jar, through pipeline carries extremely in the cavity of separator plate, and then loops through the delivery port with first through-hole enters into in the mixing chamber, because the density of nitrogen gas is less to make nitrogen gas at the in-process and the exhaust intensive mixing that rise, thereby reduce the oxygen content in the waste gas, avoid oxygen too much in the waste gas, cause harm easily.

The separation plate is located in the conveying area, a second through hole is formed in the separation plate, and the conveying pipeline penetrates through the second through hole.

The partition plate is arranged in the nitrogen area, and the conveying pipeline penetrates through the partition plate, so that nitrogen can be conveyed to the mixing cavity through the first through hole more quickly.

The separation plate comprises a plate body and four supports, the cavity is formed in the plate body, the supports are arranged at four bottom corners of the plate body, each support is far away from one end of the plate body, the shell is detachably connected with the support, and the support is located in the conveying area.

The plate bodies are mounted in the conveying area in a suspended mode through the four supports, so that the conveying holes are closer to the first through holes.

Each support comprises a connecting plate, a supporting plate and a fixing plate, one end of the supporting plate is fixedly connected with the connecting plate, the other end of the supporting plate is fixedly connected with the fixing plate, the connecting plate is detachably connected with the bottom of the shell, and the fixing plate is detachably connected with the plate body.

The connecting plate is fixed with the shell through screws, the fixing plate is fixed with the plate body through screws, and therefore the separating plate is installed.

The stirring device comprises a shell, a stirring unit, a stirring shaft, a driven tooth part, a stirring blade, a mixing cavity and a stirring unit, wherein the stirring unit is arranged at the top of the shell and comprises a power component, the stirring shaft and the stirring blade, the stirring shaft penetrates through the shell, the driven tooth part is arranged at one end of the stirring shaft, the stirring blade is arranged at the other end of the stirring shaft, the stirring blade is located inside the mixing cavity, and the output end of the power component corresponds to the driven tooth part.

And starting the power assembly, and driving the stirring shaft to rotate through the driven tooth part, so that the gas in the mixing cavity is accelerated to be mixed through the stirring fan blades.

The power assembly comprises a driving motor, a gear reduction box and an output gear, the driving motor is detachably connected with the top of the shell, the gear reduction box is arranged at the output end of the driving motor, the output gear is arranged at the output end of the gear reduction box, and the output gear is meshed with the driven tooth part.

And starting the driving motor, and driving the output gear to rotate after the output rotating speed of the driving motor is reduced by using the gear reduction box, wherein the output gear is meshed with the driven tooth part, so that the stirring shaft is driven to rotate.

The invention relates to an energy-saving and environment-friendly waste gas mixing and discharging device of air separation equipment, wherein a pressure reducing valve is arranged on a liquid nitrogen tank, a cavity is arranged inside a separation plate, one end of a conveying pipeline corresponds to the pressure reducing valve, the other end of the conveying pipeline corresponds to the cavity, a plurality of conveying holes are formed in the separation plate, one end, positioned at a mixing cavity, of a partition plate is provided with a plurality of first through holes, an air inlet pipe and an exhaust pipe are arranged on a shell, the air inlet pipe corresponds to the mixing cavity, waste gas generated by the air separation equipment enters the mixing cavity through the air inlet pipe, the pressure reducing valve is opened at the same time, liquid nitrogen in the liquid nitrogen tank is vaporized and then conveyed into the cavity of the separation plate through the conveying pipeline, and then sequentially passes through the conveying holes and the first through holes, enter into in the mixing chamber to make nitrogen gas intensive mixing with waste gas at the in-process that rises because nitrogen gas's density is less, thereby reduce the oxygen content in the waste gas, avoid oxygen too much in the waste gas, cause harm easily.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of an exhaust mixing and discharging device of an energy-saving and environment-friendly air separation plant provided by the invention.

Fig. 2 is a sectional view of the internal structure taken along line a-a of fig. 1 according to the present invention.

Fig. 3 is a schematic view of the internal structure of the housing provided by the present invention.

Fig. 4 is an enlarged view of a portion of the structure of fig. 3 a according to the present invention.

Fig. 5 is a schematic structural view of a separation plate provided by the present invention.

Fig. 6 is an enlarged view of a portion of the structure of fig. 5 a according to the present invention.

1-support frame, 2-shell, 21-partition board, 211-first through hole, 22-mixing area, 23-nitrogen area, 231-partition board, 232-conveying area, 233-pipeline area, 234-second through hole, 24-baffle, 25-mixing cavity, 26-placing area, 27-air inlet pipe, 28-air outlet pipe, 3-liquid nitrogen tank, 4-pressure reducing valve, 5-conveying pipeline, 6-separation board, 61-cavity, 62-conveying hole, 63-plate body, 64-bracket, 65-connecting board, 66-supporting board, 67-fixing board, 7-stirring unit, 71-power component, 72-stirring shaft, 73-stirring fan blade, 74-driven tooth part, 75-driving motor, 76-gear reduction box, 77-output gear, 8-adjusting unit, 81-driving component, 82-adjusting component, 821-rotating shaft, 822-adjusting plate, 823-rotating gear, 83-transmission piece, 831-rotating rod, 832-transmission gear and 84-placing plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 6, the invention provides an energy-saving and environment-friendly waste gas mixing and discharging device of an air separation device, the waste gas mixing and discharging device of the energy-saving and environment-friendly air separation device comprises a support frame 1, a shell 2, a liquid nitrogen tank 3, a pressure reducing valve 4, a conveying pipeline 5 and a separating plate 6, the shell 2 is detachably connected with the support frame 1 and is positioned above the support frame 1, a partition plate 21 is arranged inside the shell 2, the partition plate 21 divides the inside of the shell 2 into a mixing area 22 and a nitrogen area 23 from top to bottom, the separating plate 6 is arranged inside the nitrogen area 23, a baffle 24 is arranged inside the mixing area 22, the baffle 24 divides the mixing area 22 into a mixing cavity 25 and a placing area 26 from left to right, the liquid nitrogen tank 3 is arranged inside the placing area 26, the pressure reducing valve 4 is arranged on the liquid nitrogen tank 3, the inside of separator 6 is provided with cavity 61, the one end of conveying line 5 with it is corresponding to relief pressure valve 4, the other end of conveying line 5 with cavity 61 is corresponding, be provided with a plurality of delivery holes 62 on the separator 6, baffle 21 is located the one end of hybrid chamber 25 is provided with a plurality of first through-holes 211, be provided with intake pipe 27 and blast pipe 28 on the shell 2, intake pipe 27 with the hybrid chamber 25 is corresponding, blast pipe 28 with be located the top of shell 2.

In this embodiment, the waste gas that air separation equipment produced passes through intake pipe 27 enters into in the hybrid chamber 25, open simultaneously relief pressure valve 4 makes liquid nitrogen vaporization in the liquid nitrogen container 3 back, through pipeline 5 carry to in the cavity 61 of separator 6, and then loop through delivery hole 62 with first through-hole 211 enters into in the hybrid chamber 25, because the density of nitrogen gas is less to make nitrogen gas fully mix with waste gas at the in-process that rises, thereby reduce the oxygen content in the waste gas, avoid oxygen too much in the waste gas, cause harm easily.

Further, a partition plate 231 is further arranged inside the nitrogen area 23, the partition plate 231 divides the nitrogen area 23 into a conveying area 232 and a pipeline area 233 from left to right, the partition plate 6 is located inside the conveying area 232, a second through hole 234 is formed in the partition plate 231, and the conveying pipeline 5 penetrates through the second through hole 234.

In the present embodiment, the partition plate 231 is disposed inside the nitrogen gas region 23, and the conveying pipe 5 penetrates through the partition plate 231, so that nitrogen gas is more rapidly conveyed into the mixing chamber 25 through the first through hole 211.

Further, the separation plate 6 includes a plate body 63 and four supports 64, the inside of the plate body 63 is provided with the cavity 61, four bottom corners of the plate body 63 are provided with the supports 64, each of the supports 64 is far away from one end of the plate body 63 is detachably connected to the housing 2 and is located inside the conveying area 232.

In the present embodiment, the plate 63 is mounted inside the conveying area 232 by four brackets 64 in a suspended manner, so that the conveying hole 62 is closer to the first through hole 211.

Further, each support 64 all includes connecting plate 65, backup pad 66 and fixed plate 67, the one end of backup pad 66 with connecting plate 65 fixed connection, the other end of backup pad 66 with fixed plate 67 fixed connection, connecting plate 65 with the bottom of shell 2 is dismantled and is connected, fixed plate 67 with plate 63 is dismantled and is connected.

In this embodiment, the connecting plate 65 and the housing 2 are fixed by screws, the fixing plate 67 and the plate body 63 are fixed by screws, so as to complete the installation of the separating plate 6, and the connecting plate 65 and the fixing plate 67 are both fixedly connected with the supporting plate 66, and are manufactured by an integral molding technology during manufacturing, so that the structure is firmer.

Further, the top of the outer shell 2 is also provided with a stirring unit 7, the stirring unit 7 comprises a power assembly 71, a stirring shaft 72 and stirring fan blades 73, the stirring shaft 72 penetrates through the outer shell 2, one end of the stirring shaft 72 is provided with driven tooth portions 74, the other end of the stirring shaft 72 is provided with the stirring fan blades 73, the stirring fan blades 73 are located inside the mixing cavity 25, and the output end of the power assembly 71 corresponds to the driven tooth portions 74.

In this embodiment, the power assembly 71 is started, and the stirring shaft 72 is rotated by the driven gear portion 74, so that the gas in the mixing chamber 25 is mixed by the stirring blades 73.

Further, the power assembly 71 comprises a driving motor 75, a gear reduction box 76 and an output gear 77, the driving motor 75 is detachably connected with the top of the shell 2, the gear reduction box 76 is arranged at the output end of the driving motor 75, the output gear 77 is arranged at the output end of the gear reduction box 76, and the output gear 77 is meshed with the driven tooth part 74.

In this embodiment, the driving motor 75 is started, and the gear reduction box 76 is used to slow down the output rotation speed of the driving motor 75, so as to drive the output gear 77 to rotate, because the output gear 77 is engaged with the driven tooth portion 74, so as to drive the stirring shaft 72 to rotate.

Further, still be provided with adjusting unit 8 on the separation plate 6, the separation unit includes drive assembly 81, a plurality of adjusting part 82 and a plurality of driving medium 83, be provided with on the inside wall of conveying district 232 and place board 84, it is provided with on the board 84 drive assembly 81 to place, the activity is provided with on the separation plate 6 a plurality of adjusting part 82, every adjusting part 82 respectively with one be the column and be the vertical setting conveying hole 62 corresponding, every two adjacent adjusting part 82 all is provided with driving medium 83 between, the output of drive assembly 81 with one of them be located the avris adjusting part 82 corresponding.

In this embodiment, start drive assembly 81, the drive is located the avris adjust assembly 82 rotates, simultaneously through a plurality of transmission member 83, it is a plurality of in proper order remaining adjust assembly 82 rotates to through adjust assembly 82's turned angle, change the size of delivery port 62, and then adjust the conveying rate of nitrogen gas.

Further, each adjusting assembly 82 comprises a rotating shaft 821, an adjusting plate 822 and a rotating gear 823, the rotating shaft 821 penetrates through the separating plate 6 and is movably connected with the separating plate 6, a plurality of adjusting plates 822 are arranged on the rotating shaft 821, each adjusting plate 822 corresponds to one conveying hole 62, the rotating gear 823 is arranged at one end, located outside the separating plate 6, of the rotating shaft 821, and the transmission member 83 is arranged between every two adjacent rotating gears 823.

In this embodiment, the driving assembly 81 is activated to drive the rotating gear 823 to rotate, so that the rotating shaft 821 is rotated to drive the adjusting plate 822 to rotate, thereby adjusting the size of the conveying hole 62.

Further, each transmission member 83 includes a rotating rod 831 and a transmission gear 832, one end of the rotating rod 831 is movably connected to the outside of the separation plate 6, the other end of the rotating rod 831 is provided with the transmission gear 832, and the transmission gear 832 is engaged with the transmission gear 823.

In this embodiment, since the transmission gear 832 is engaged with the rotation gear 823, the plurality of adjusting assemblies 82 are sequentially rotated by the plurality of transmission members 83.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.