CN112588110A - Full-automatic graphite is cleared up tail gas processing apparatus for appearance - Google Patents

Full-automatic graphite is cleared up tail gas processing apparatus for appearance Download PDF

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CN112588110A
CN112588110A CN202011483615.6A CN202011483615A CN112588110A CN 112588110 A CN112588110 A CN 112588110A CN 202011483615 A CN202011483615 A CN 202011483615A CN 112588110 A CN112588110 A CN 112588110A
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fixedly connected
graphite digestion
treatment device
exhaust gas
gas treatment
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CN112588110B (en
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储涛
罗洋
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Hangzhou Tongmu Technology Achievement Transformation Service Co ltd
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Dingtai Hubei Biochemical Instrument Manufacturing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/44—Sample treatment involving radiation, e.g. heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases

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Abstract

本发明公开了一种全自动石墨消解仪用尾气处理装置，涉及尾气处理技术领域，包括石墨消解仪本体上具有消解工作区域，所述石墨消解仪本体安放于底板的上表面，底板的上表面两侧均通过对称的侧板固定连接有顶板，顶板上表面通过支架固定安装有处理箱，且处理箱的顶部开设有供处理后气体排出的出气口，出气口通过管路固定连通有中和罐，处理箱的内靠下侧与靠上侧分别固定连接有滤尘网与活性炭过滤网，且在滤尘网与活性炭过滤网之间还设置有光催化剂板。本申请得益于光催化剂板具有的强氧化功能，将醛类等有害气体被催化氧化，还能够将含氮、含硫等物质的含酸气体氧化成稳定的最高化合价含氮、含硫氧化物，便于后续进行中和反应。

Figure 202011483615

The invention discloses a tail gas treatment device for an automatic graphite digestion apparatus, which relates to the technical field of tail gas treatment, and includes a graphite digestion apparatus body with a digestion working area, the graphite digestion apparatus body being arranged on the upper surface of a bottom plate, and the upper surface of the bottom plate having a digestion working area. Both sides are fixedly connected with a top plate through symmetrical side plates, a processing box is fixedly installed on the top surface of the top plate through a bracket, and the top of the processing box is provided with an air outlet for discharging the treated gas, and the air outlet is fixedly connected to a neutralizer through a pipeline. The inner lower side and the upper side of the treatment box are respectively fixed with a dust filter screen and an activated carbon filter screen, and a photocatalyst plate is also arranged between the dust filter screen and the activated carbon filter screen. The application benefits from the strong oxidation function of the photocatalyst plate, which can catalyze the oxidation of harmful gases such as aldehydes, and can also oxidize the acid-containing gases containing nitrogen, sulfur and other substances into stable and highest valence nitrogen and sulfur-containing oxidation material, which is convenient for subsequent neutralization reaction.

Figure 202011483615

Description

Full-automatic graphite is cleared up tail gas processing apparatus for appearance
Technical Field
The invention relates to the technical field of tail gas treatment, in particular to a tail gas treatment device for a full-automatic graphite digestion instrument.
Background
The graphite digestion instrument is a common laboratory device, is used for sample pretreatment, sample pretreatment links in various fields of quality inspection, environment, food, biology, agriculture, mining industry, industry and the like, is applied to baking, drying, digestion and the like of samples, and can also be used for replacing the samples treated by the microwave digestion instrument to dare acid.
In chemical experiments, gases which are toxic and harmful to human bodies are often generated, once the gases are inhaled by people, serious threats can be brought to the life health of people, aldehyde gases and acid gases have great harm to the human bodies and great damage to the environment, a fume cupboard is normally used for collecting and treating tail gas in general experiments, the fume cupboard is generally provided with a treatment box for storing purifying liquid to achieve a treatment effect, but the treatment box has a poor absorption effect on the aldehyde gases and has a poor neutralization effect on gases with low chemical valence, such as nitrogen monoxide gases, sulfur trioxide gases and the like which are generated or volatilized in certain reactions, the gases with low chemical valence, such as the nitrogen monoxide gases, the sulfur trioxide and the like, can be completely and quickly neutralized by oxidation, the gases with low chemical valence, such as the nitrogen monoxide gases, the sulfur trioxide and the like are directly introduced into the treatment box, the treatment time can be delayed, and the neutralization liquid is wasted, thereby affecting the treatment effect.
Disclosure of Invention
The invention aims to provide a tail gas treatment device for a full-automatic graphite digestion instrument, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a tail gas treatment device for a full-automatic graphite digestion instrument comprises a graphite digestion instrument body, a digestion working area is arranged on the graphite digestion instrument body, the graphite digestion instrument body is arranged on the upper surface of the bottom plate, the two sides of the upper surface of the bottom plate are fixedly connected with top plates through symmetrical side plates, the upper surface of the top plate is fixedly provided with a treatment box through a bracket, the bottom of the treatment box is communicated with the position right above the digestion working area through an air exhaust assembly, and the top of the treatment box is provided with an air outlet for discharging treated gas, the air outlet is fixedly communicated with a neutralization tank through a pipeline, a dust filtering net and an active carbon filtering net are respectively and fixedly connected with the inner lower side and the inner upper side of the treatment box, a photocatalyst plate is arranged between the dust filter screen and the active carbon filter screen, the photocatalyst plate is fixedly arranged at the corresponding position of the inner wall of the treatment box, and an ultraviolet lamp is also arranged right above the photocatalyst plate and is fixedly arranged on the inner side wall of the treatment box.
As a further scheme of the invention: the projection of the ultraviolet lamp on the upper surface of the photocatalyst plate is just coincided with the middle line of the photocatalyst plate.
As a further scheme of the invention: the photocatalyst plate consists of two layers of three-dimensional honeycomb ceramic nets with titanium dioxide coatings loaded on the surfaces and porous particles loaded with nano titanium dioxide and filled between the two layers of honeycomb ceramic nets.
As a further scheme of the invention: the neutralizing tank is fixedly arranged on the upper surface of the top plate, strong acid liquid and strong alkali liquid are arranged in the neutralizing tank, and a plurality of air outlet pipes are arranged at the top of the neutralizing tank.
As a further scheme of the invention: the subassembly of bleeding is including dispelling the gas collecting cover that sets up directly over the working area, the interior middle part of gas collecting cover has the fan through mounting bracket fixed mounting, and the small-bore end of gas collecting cover is fixed to be communicated with global down in the activity ring, the last global fixed connection plastic bellow's of activity ring one end, and plastic bellow's the other end is vertical global down of up and the solid fixed ring of fixed connection, and solid fixed ring's last fixed surface installs the lower surface at the roof and corresponds the position, gu fixed ring inner circle corresponds the roof surface simultaneously and sets up the trompil that supplies the air duct lower extreme to be linked together, the sealed and fastening intercommunication in top of air duct is on the air inlet that the bottom of handling the case was seted up, still be provided with the adjustment.
As a further scheme of the invention: the adjustment subassembly includes activity ring upper surface both sides fixed connection's one end of acting as go-between, and the other end of acting as go-between wears the duplex winding from the line hole of seting up on the roof and connects on the bobbin, and two bobbins are fixed the dress respectively in the both sides of changeing the post, and the commentaries on classics post rotates and runs through on the air duct, and the one end of changeing the post passes through coupling joint on gear motor's output shaft, gear motor fixed mounting is at the upper surface of roof.
As a further scheme of the invention: the perforation that supplies the rotary column to run through is seted up to gas duct week portion bilateral symmetry position, and the inner peripheral portion complex connection of perforation has the sealing ring of round, and the inner peripheral fixed mounting of sealing ring has the bearing, and the bearing is used for rotating suit rotary column.
As a further scheme of the invention: the interior bottom of handling the case has the draught fan through mounting bracket fixed mounting, the inlet end of draught fan down and with air duct top intercommunication, and the end of giving vent to anger of draught fan directly over towards, the top of draught fan still is provided with a horizontal rotation axis simultaneously, the both ends of rotation axis are all rotated and are connected in the corresponding inner wall of handling the case, and the fixed cover of peripheral portion at the rotation axis is equipped with the paddle, the paddle is located the draught fan and gives vent to anger directly over the end, it gets rid of the one end of rope to go back fixed connection in the both sides of rotation axis simultaneously, and the other end fixedly connected.
As a further scheme of the invention: the tail end of each blade of the paddle is provided with a wind gathering bent part bent towards one side.
As a further scheme of the invention: the length of the throwing rope is larger than the shortest distance from the rotating shaft to the dust filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the tail gas generated in the work process of the digestion work area is pumped into the treatment box through the air pumping assembly, the tail gas firstly passes through the dust filtering net, larger particulate matters such as dust and the like in the tail gas are filtered, then passes through the photocatalyst plate under the irradiation of the ultraviolet lamp, harmful gases in the tail gas are catalyzed and oxidized, such as aldehyde gases, and the photocatalyst plate has a strong oxidation function, so that the tail gas can oxidize acid-containing gases containing substances such as nitrogen, sulfur and the like into stable nitrogen-containing oxides and sulfur-containing oxides with the highest chemical valence, then the tail gas is reacted through strong acid and strong base in the neutralization tank in sequence, and finally the treated gas is discharged to the atmosphere, so that the effect of automatic purification is achieved.
2. According to the invention, the speed reduction motor is started to drive the rotary column and the bobbin to rotate, then the bobbin is rotated and wound, the pull wire is utilized to upwards pull the movable ring, the movable ring is lifted and simultaneously can drive the gas gathering cover to synchronously lift, and the height of the gas gathering cover relative to the digestion working area can be adjusted within a certain range due to the scalability of the plastic corrugated pipe, so that the gas gathering cover can be adjusted to a height which does not interfere with a normal experiment and can suck tail gas as much as possible according to the use requirements of different test tube heights in the digestion working area, and the practicability of the invention is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a photocatalyst plate in the present invention;
FIG. 3 is a schematic view of the structure of the airway tube of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is a schematic view of the structure of a blade according to the present invention;
fig. 6 is a schematic view of the installation of the gas collecting cover and the plastic corrugated pipe in the present invention.
In the figure: 1. a graphite digestion instrument body; 2. clearing up a working area; 3. a base plate; 4. a side plate; 5. a top plate; 6. a gas gathering cover; 7. a fan; 8. a pull wire; 9. a fixing ring; 10. a movable ring; 11. a plastic bellows; 12. an air inlet; 13. an induced draft fan; 14. a paddle; 15. a rotating shaft; 16. a metal bead; 17. a treatment tank; 18. an active carbon filter screen; 19. an air outlet; 20. an ultraviolet lamp; 21. a photocatalyst plate; 22. a dust filter screen; 23. an air duct; 24. a bobbin; 25. a reduction motor; 26. a honeycomb ceramic mesh; 27. porous particles; 28. turning the column; 29. perforating; 30. a seal ring; 31. a bearing; 32. a neutralization tank; 33. and (4) throwing the rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in the embodiment of the present invention, a tail gas treatment device for a full-automatic graphite digestion instrument includes a graphite digestion instrument body 1 having a digestion work area 2, where the digestion work area 2 is a position where the graphite digestion instrument body 1 generates tail gas when working, the graphite digestion instrument body 1 is disposed on an upper surface of a bottom plate 3, two sides of the upper surface of the bottom plate 3 are fixedly connected with top plates 5 through symmetrical side plates 4, the upper surface of the top plate 5 is fixedly mounted with a treatment box 17 through a bracket, the bottom of the treatment box 17 is communicated with the right above the digestion work area 2 through an air exhaust assembly, the top of the treatment box 17 is provided with an air outlet 19 for discharging treated gas, the air outlet 19 is fixedly communicated with a neutralization tank 32 through a pipeline, a dust filtering net 22 and an activated carbon filtering net 18 are respectively and fixedly connected with an inner lower side and an upper side of the treatment box 17, a photocatalyst plate 21 is arranged between the dust filter 22 and the activated carbon filter 18, the photocatalyst plate 21 is fixedly arranged at a corresponding position on the inner wall of the treatment box 17, an ultraviolet lamp 20 is arranged right above the photocatalyst plate 21, the ultraviolet lamp 20 is fixedly arranged at the position on the inner side wall of the treatment box 17, exhaust gas generated during the operation of the digestion work area 2 is pumped into the treatment box 17 through an exhaust component, the exhaust gas firstly passes through the dust filter 22, dust and other large particulate matters in the exhaust gas are filtered, then the exhaust gas passes through the photocatalyst plate 21 under the irradiation of the ultraviolet lamp 20, harmful gases in the exhaust gas are catalyzed and oxidized, such as aldehyde gases, and due to the strong oxidation function of the photocatalyst plate 21, the exhaust gas containing nitrogen, sulfur and other substances can be oxidized into stable nitrogen and sulfur containing oxides with the highest chemical valence, and then the exhaust gas sequentially passes through strong acid and strong base in the neutralization tank to react, finally, the treated gas is discharged to the atmosphere, so that the effect of automatic purification is achieved.
Further, the projection of the ultraviolet lamp 20 on the upper surface of the photocatalyst plate 21 is exactly coincident with the central line of the photocatalyst plate 21, so that the light source emitted by the ultraviolet lamp 20 can be irradiated on the photocatalyst plate 21 comprehensively and uniformly, the catalysis rate of the porous particles 27 in the photocatalyst plate 21 is increased, and the catalytic oxidation effect on harmful gases is improved.
Further, the photocatalyst plate 21 is composed of two layers of three-dimensional honeycomb ceramic nets 26 with titanium dioxide coatings loaded on the surfaces and porous particles 27 filled between the two layers of honeycomb ceramic nets 26 and loaded with nano titanium dioxide, and the honeycomb ceramic nets 26 have the effect of increasing the contact area with airflow, so that the reaction is more sufficient, and the purification treatment effect is improved.
Further, the neutralization tank 32 is fixedly arranged on the upper surface of the top plate 5, strong acid liquor and strong alkali liquor are arranged in the neutralization tank 32, and a plurality of air outlet pipes are arranged at the top of the neutralization tank 32.
Further, the air exhaust assembly comprises an air collecting cover 6 arranged right above the digestion working area 2, a fan 7 is fixedly arranged in the middle of the air collecting cover 6 through a mounting frame, a small-caliber end of the air collecting cover 6 is fixedly communicated with the lower peripheral surface of the movable ring 10, one end of a plastic corrugated pipe 11 is fixedly connected with the upper peripheral surface of the movable ring 10, the other end of the plastic corrugated pipe 11 is vertically upward and fixedly connected with the lower peripheral surface of the fixed ring 9, the upper surface of the fixed ring 9 is fixedly arranged at a corresponding position of the lower surface of the top plate 5, meanwhile, an opening for communicating the lower end of an air duct 23 is formed in the inner ring of the fixed ring 9 corresponding to the surface of the top plate 5, the top end of the air duct 23 is hermetically and fixedly communicated with an air inlet 12 formed in the bottom of the processing box 17, when the graphite digestion instrument body 1 works, the fan 7 is immediately started, the air collecting cover, then the gas is introduced into a treatment box 17 for purification treatment, and an adjusting component for adjusting the height of the gas gathering cover 6 is also arranged on the top plate 5.
Still further, the adjusting assembly includes one end of a stay wire 8 fixedly connected with both sides of the upper surface of the movable ring 10, the other end of the stay wire 8 is threaded through a wire hole opened on the top plate 5 and wound on a bobbin 24, two bobbins 24 are fixedly sleeved on both sides of a rotary post 28 respectively, the rotary post 28 is rotatably penetrated on the air duct 23, one end of the rotary post 28 is connected on an output shaft of a speed reducing motor 25 through a coupling, the speed reducing motor 25 is fixedly installed on the upper surface of the top plate 5, the purpose is that the rotary post 28 and the bobbin 24 are driven to rotate by starting the speed reducing motor 25, then in the process of the rotary winding of the bobbin 24, the movable ring 10 is pulled upwards by the stay wire 8, the movable ring 10 is lifted and simultaneously can drive the gas gathering cover 6 to synchronously lift, and the height of the gas gathering cover 6 relative to the digestion working area 2 can be adjusted within a certain range due to the scalability of the plastic corrugated pipe 11, therefore, the gas gathering cover 6 can be adjusted to a height which does not hinder a normal experiment and can pump in tail gas as far as possible according to the use requirements of different test tube heights on the digestion working area 2, and the practicability of the invention is greatly improved.
Still further, the bilateral symmetry position of the periphery of the air duct 23 is provided with a through hole 29 for the rotary column 28 to pass through, the inner periphery of the through hole 29 is compositely connected with a circle of sealing ring 30, the inner periphery of the sealing ring 30 is fixedly provided with a bearing 31, the bearing 31 is used for rotatably sleeving the rotary column 28, the sealing ring 30 has a sealing effect, the condition that the tail gas in the air duct 23 escapes can be avoided to the maximum extent, and the normal gas transmission function of the air duct 23 cannot be hindered.
Further, an induced draft fan 13 is fixedly installed at the inner bottom of the processing box 17 through an installation frame, an air inlet end of the induced draft fan 13 faces downwards and is communicated with the top of the air guide tube 23, an air outlet end of the induced draft fan 13 faces towards the upper side, a transverse rotating shaft 15 is further arranged above the induced draft fan 13, two ends of the rotating shaft 15 are rotatably connected to corresponding inner walls of the processing box 17, blades 14 are fixedly sleeved on the outer periphery of the rotating shaft 15, the blades 14 are located right above the air outlet end of the induced draft fan 13, one ends of throwing ropes 33 are fixedly connected to two sides of the rotating shaft 15, metal beads 16 are fixedly connected to the other ends of the throwing ropes 33, so that the blades 14 can drive the rotating shaft 15 to rotate by means of air flow blown by the induced draft fan 13, the throwing ropes 33 can intermittently flap the metal beads 16 onto the dust filter 22, and normal ventilation and dust-cutting functions are prevented, and after a period of time, the treatment box 17 is opened to clean and replace the dust filter 22, so that the actual use effect is improved.
Still further, the wind-gathering bent portion that bends to one side is all formed at each blade end of the paddle 14, and its purpose is that can carry out certain gathering effect to the air current that blows, improve the blade windage in the paddle 14 to improve the driving force, realize that wind drives the purpose that paddle 14 smoothly rotates.
Further, the length of the throwing rope 33 is greater than the shortest distance between the rotating shaft 15 and the dust filter 22, so that the throwing rope 33 can drive the metal beads 16 to throw and hit the lower surface of the dust filter 22, the dust filter 22 slightly vibrates, and large-particle impurities blocked on the dust filter 22 are shaken off with a certain probability.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

1.一种全自动石墨消解仪用尾气处理装置，包括石墨消解仪本体(1)上具有消解工作区域(2)，其特征在于，所述石墨消解仪本体(1)安放于底板(3)的上表面，底板(3)的上表面两侧均通过对称的侧板(4)固定连接有顶板(5)，顶板(5)上表面通过支架固定安装有处理箱(17)，处理箱(17)的底部通过抽气组件连通于消解工作区域(2)的正上方，且处理箱(17)的顶部开设有供处理后气体排出的出气口(19)，出气口(19)通过管路固定连通有中和罐(32)，处理箱(17)的内靠下侧与靠上侧分别固定连接有滤尘网(22)与活性炭过滤网(18)，且在滤尘网(22)与活性炭过滤网(18)之间还设置有光催化剂板(21)，光催化剂板(21)固定安装在处理箱(17)内壁对应位置，且光催化剂板(21)的正上方还设置有紫外线灯(20)，紫外线灯(20)固定安装在处理箱(17)的内侧壁位置。1. a fully automatic graphite digestion instrument exhaust gas treatment device, comprising a graphite digestion instrument body (1) with a digestion work area (2), it is characterized in that, the graphite digestion instrument body (1) is placed on the bottom plate (3) The upper surface of the bottom plate (3) is fixedly connected with a top plate (5) through symmetrical side plates (4) on both sides, and a processing box (17) is fixedly installed on the upper surface of the top plate (5) through a bracket, and the processing box ( The bottom of 17) is communicated directly above the digestion work area (2) through the air extraction assembly, and the top of the processing box (17) is provided with an air outlet (19) for discharging the treated gas, and the air outlet (19) passes through the pipeline. A neutralization tank (32) is fixedly communicated with, and a dust filter screen (22) and an activated carbon filter screen (18) are fixedly connected to the inner lower side and the upper side of the treatment box (17), respectively, and the dust filter screen (22) and the activated carbon filter screen (22) are fixedly connected with the activated carbon filter screen (18). A photocatalyst plate (21) is also arranged between the filter screens (18), the photocatalyst plate (21) is fixedly installed at a corresponding position on the inner wall of the processing box (17), and an ultraviolet lamp is also provided directly above the photocatalyst plate (21). (20), the ultraviolet lamp (20) is fixedly installed on the inner side wall of the processing box (17). 2.根据权利要求1所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述紫外线灯(20)处于光催化剂板(21)上表面的投影恰好与光催化剂板(21)的中线重合。2. The exhaust gas treatment device for a fully automatic graphite digestion apparatus according to claim 1, wherein the projection of the ultraviolet lamp (20) on the upper surface of the photocatalyst plate (21) is exactly the same as that of the photocatalyst plate (21). ) coincide with the midline. 3.根据权利要求1-2任一项所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述光催化剂板(21)由两层表面负载有二氧化钛涂层三维的蜂窝陶瓷网(26)以及填充在两层蜂窝陶瓷网(26)之间的负载有纳米二氧化钛的多孔颗粒(27)组成。3. The exhaust gas treatment device for a fully automatic graphite digestion apparatus according to any one of claims 1-2, wherein the photocatalyst plate (21) is loaded with a three-dimensional honeycomb with a titanium dioxide coating on the surface of two layers. It consists of a ceramic mesh (26) and porous particles (27) loaded with nano-titania and filled between two layers of honeycomb ceramic meshes (26). 4.根据权利要求1所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述中和罐(32)固定安放于顶板(5)上表面，且中和罐(32)中具有强酸液以及强碱液，且中和罐(32)的顶部具有多个出气管。4. a kind of exhaust gas treatment device for fully automatic graphite digestion apparatus according to claim 1, is characterized in that, described neutralization tank (32) is fixedly placed on the upper surface of top plate (5), and neutralization tank (32) There are strong acid liquid and strong alkali liquid in the neutralization tank (32), and the top of the neutralization tank (32) has a plurality of gas outlet pipes. 5.根据权利要求1所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述抽气组件包括消解工作区域(2)正上方设置的聚气罩(6)，聚气罩(6)的内中部通过安装架固定安装有风扇(7)，且聚气罩(6)的小口径端固定连通于活动环(10)的下周面，活动环(10)的上周面固定连接塑料波纹管(11)的一端，而塑料波纹管(11)的另一端竖直朝上并固定连接固定环(9)的下周面，且固定环(9)的上表面固定安装在顶板(5)的下表面对应位置，同时固定环(9)内圈对应顶板(5)表面开设有供导气管(23)下端相连通的开孔，导气管(23)的顶端密封且紧固连通在处理箱(17)的底部开设的进气口(12)上，所述顶板(5)上还设置有用于调整聚气罩(6)高度的调整组件。5. The exhaust gas treatment device for a fully automatic graphite digestion apparatus according to claim 1, wherein the gas extraction assembly comprises a gas gathering hood (6) provided directly above the digestion work area (2), and gas gathering The fan (7) is fixedly installed in the inner middle part of the cover (6) through the mounting bracket, and the small diameter end of the gas collecting cover (6) is fixedly connected to the lower peripheral surface of the movable ring (10), and the upper surface of the movable ring (10) is One end of the plastic corrugated pipe (11) is fixedly connected to the surface, and the other end of the plastic corrugated pipe (11) is vertically upward and fixedly connected to the lower peripheral surface of the fixing ring (9), and the upper surface of the fixing ring (9) is fixedly installed At the corresponding position on the lower surface of the top plate (5), at the same time, the inner ring of the fixing ring (9) corresponds to the surface of the top plate (5) with an opening for communicating with the lower end of the air duct (23), and the top of the air duct (23) is sealed and tightly It is fixedly connected to the air inlet (12) opened at the bottom of the processing box (17), and the top plate (5) is also provided with an adjustment component for adjusting the height of the gas collecting hood (6). 6.根据权利要求5所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述调整组件包括活动环(10)上表面两侧固定连接的拉线(8)一端，而拉线(8)的另一端自顶板(5)上开设的线孔穿上并绕接在绕线筒(24)上，两个绕线筒(24)分别固定套装在转柱(28)的两侧，而转柱(28)转动贯穿在导气管(23)上，且转柱(28)的一端通过联轴器连接在减速电机(25)的输出轴上，减速电机(25)固定安装在顶板(5)的上表面。6. The exhaust gas treatment device for a fully automatic graphite digestion apparatus according to claim 5, wherein the adjustment assembly comprises one end of a pull wire (8) fixedly connected on both sides of the upper surface of the movable ring (10), and the pull wire The other end of (8) is passed through the wire hole opened on the top plate (5) and wound on the bobbin (24). , and the rotating column (28) rotates through the air duct (23), and one end of the rotating column (28) is connected to the output shaft of the deceleration motor (25) through a coupling, and the deceleration motor (25) is fixedly installed on the top plate. (5) on the upper surface. 7.根据权利要求5或6所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述导气管(23)周部两侧对称位置开设有供转柱(28)贯穿的穿孔(29)，且穿孔(29)内周部复合连接有一圈的密封环(30)，密封环(30)的内周固定安装有轴承(31)，轴承(31)用于转动套装转柱(28)。7. A kind of exhaust gas treatment device for an automatic graphite digestion apparatus according to claim 5 or 6, characterized in that, two symmetrical positions on both sides of the circumference of the air guide pipe (23) are provided with a rotating column (28) passing through. A through hole (29) is formed, and the inner circumference of the through hole (29) is compositely connected with a sealing ring (30), a bearing (31) is fixedly installed on the inner circumference of the sealing ring (30), and the bearing (31) is used for rotating the sleeved rotating column (28). 8.根据权利要求1所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述处理箱(17)的内底部通过安装架固定安装有引风机(13)，引风机(13)的进气端朝下并与导气管(23)顶部连通，而引风机(13)的出气端朝向正上方，同时引风机(13)的上方还设置有一横向的旋转轴(15)，旋转轴(15)的两端均转动连接于处理箱(17)的对应内壁，且在旋转轴(15)的外周部固定套装有桨叶(14)，桨叶(14)位于引风机(13)出气端的正上方，同时在旋转轴(15)的两侧还固定连接甩绳(33)的一端，而甩绳(33)的另一端固定连接有金属珠(16)。8. The exhaust gas treatment device for a fully automatic graphite digestion apparatus according to claim 1, wherein the inner bottom of the treatment box (17) is fixedly installed with an induced draft fan (13) by means of a mounting frame, and the induced draft fan (17). The air inlet end of 13) faces downwards and communicates with the top of the air duct (23), while the air outlet end of the induced draft fan (13) faces directly above, and a horizontal rotating shaft (15) is also provided above the induced draft fan (13), Both ends of the rotating shaft (15) are rotatably connected to the corresponding inner walls of the processing box (17), and a paddle (14) is fixedly sleeved on the outer periphery of the rotating shaft (15), and the paddle (14) is located in the induced draft fan (13). ) directly above the gas outlet, and at the same time on both sides of the rotating shaft (15) is also fixedly connected to one end of the throwing rope (33), and the other end of the throwing rope (33) is fixedly connected with a metal ball (16). 9.根据权利要求8所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述桨叶(14)的每个叶片末端均成形向一侧弯曲的聚风折弯部。9 . The exhaust gas treatment device for an automatic graphite digestion apparatus according to claim 8 , wherein each blade end of the paddle ( 14 ) is formed with a wind-gathering bent portion that is bent to one side. 10 . 10.根据权利要求8所述的一种全自动石墨消解仪用尾气处理装置，其特征在于，所述甩绳(33)的长度大于旋转轴(15)到滤尘网(22)之间的最短距离。10 . The exhaust gas treatment device for an automatic graphite digestion apparatus according to claim 8 , wherein the length of the rope (33) is greater than the shortest distance between the rotating shaft (15) and the dust filter (22). 11 . distance.
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