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CN107052017B - A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory - Google Patents

A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory Download PDF

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Publication number
CN107052017B
CN107052017B CN201710457470.4A CN201710457470A CN107052017B CN 107052017 B CN107052017 B CN 107052017B CN 201710457470 A CN201710457470 A CN 201710457470A CN 107052017 B CN107052017 B CN 107052017B
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China
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air
filter chamber
channel
chamber
wind pressure
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CN201710457470.4A
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CN107052017A (en
Inventor
毕思全
陈方毅
杜明飞
张树峰
蔡振华
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Zibo Heroic Laboratory Equipment Co Ltd
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Zibo Heroic Laboratory Equipment Co Ltd
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Priority to CN201710457470.4A priority Critical patent/CN107052017B/en
Publication of CN107052017A publication Critical patent/CN107052017A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023Fume cabinets or cupboards, e.g. for laboratories

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  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)

Abstract

A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory belong to laboratory special equipment field.It is characterized by comprising vent cabinet, experimental box body is arranged in the top of the vent cabinet, setting experiment cavity in the experimental box body, and setting corrosion-resistant finishes or inlay in the experiment cavity, the corrosion-resistant finishes or inlay are polytetrafluoroethylene (PTFE) material.The present invention is not only able to provide more convenient and fast experiment condition, and corrosion-resistant finishes or inlay is arranged in experiment cavity, experimental provision can be prevented to be corroded or damage, equipment is more durable;Test cavity and also can also more scientific reasonable processing flue gas, suction while accomplish harmless processing, enable experimentation more safely controllable, the personal safety and health status of practical Protection personnel;Further, since being provided with condensate liquid water conservancy diversion collection device, therefore condensate liquid can be prevented to be back to experiment cavity;The present apparatus is additionally provided with air draft pressure maintaining regulator, can guarantee that the pressure in lab space is accurately adjustable.

Description

A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory
Technical field
The invention belongs to laboratory special equipment fields, and in particular to a kind of dedicated ventilation in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory is set It is standby.
Background technique
Traditional experiment chamber ventilated cabinet is relatively simple, is provided with experiment space, exhaust fan and relevant gas supply merely Power supply ancillary equipment.But old-fashioned vent cabinet is in actual use, often exist exhaust gas escape, pollute or toxic gas collect it is inadequate In time with abundant problem, environmental pollution is caused, or even jeopardize the healthy and safe of experimenter.It especially must be in vent cabinet The particular experiment of progress, often relates to combustion process, and while generating a large amount of flue gases, flue-gas temperature is higher, conveys in discharge Cheng Zhonghui, which is enabled, generates a large amount of condensed water in pipeline, if operation is collected in the absorption for carrying out exhaust gas merely, without carrying out to heat Recovery processing, can cause serious accident.
Due to needing the special gas such as oxygen, nitrogen, combustion gas in experimentation, it is also necessary to various functional fluids it is defeated It send, the container of these substances generally requires in the cabinet body being arranged near experiment cabinet, and lab space and above-mentioned storing is empty Between when being used in conjunction with, have efficient service performance, although can be easy to use, without long-range conveying, also need In view of fire-proof and explosion-proof safety problem.Further, since inevitably there is volatilization leakage during transportation in various gases or liquid Situation, therefore the suction cleaning for carrying out storing interior of the cabinet is also critically important.
Due to, needing to keep specific ambient pressure in some experiments, and gas in experiment cavity is sucked out in processing In the process, pumping exhaust will affect the experiment intracorporal air pressure of chamber, and the accuracy of experiment is caused to be difficult to be guaranteed.
Applicant devises experiment vent cabinet described in this patent, no by the research and development and practical application of going into operation of many years But it is capable of providing more convenient and fast experiment condition, corrosion-resistant finishes or inlay are set in experiment cavity, can prevent experiment from filling It sets and is corroded or damages, equipment is more durable;Test cavity and also can also more scientific reasonable processing flue gas, taking out Accomplish harmless processing while suction, enables experimentation more safely controllable, the personal safety and health of practical Protection personnel While situation, guarantees the safe and harmless discharge of experimental gas, ambient enviroment quality will not be jeopardized;Further, since being provided with cold Lime set water conservancy diversion collection device, therefore condensate liquid can be prevented to be back to experiment cavity;The present apparatus is additionally provided with air draft pressure maintaining pressure regulation dress It sets, can guarantee that the pressure in lab space is accurately adjustable.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory, not only It is capable of providing more convenient and fast experiment condition, corrosion-resistant finishes or inlay are set in experiment cavity, experimental provision can be prevented It is corroded or damages;Second technical problem that the present invention solves is that equipment can be enabled more durable;Test cavity and And can also more scientific reasonable processing flue gas, suction while accomplish harmless processing, enable experimentation more safely controllable, While the personal safety and health status of practical Protection personnel, guarantees the safe and harmless discharge of experimental gas, will not endanger And ambient enviroment quality;The third technical problem that the present invention solves be due to being provided with condensate liquid water conservancy diversion collection device, Condensate liquid can be prevented to be back to experiment cavity;The 4th technical problem that the present invention solves is by being equipped with air draft pressure maintaining pressure regulation Device can guarantee that the pressure in lab space is accurately adjustable.
In order to solve the above technical problems, the technical scheme is that provide a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory dedicated Ventilation equipment, it is characterised in that: including vent cabinet, experimental box body is arranged in the top of the vent cabinet, sets in the experimental box body Experiment cavity is set, setting corrosion-resistant finishes or inlay in the experiment cavity, the corrosion-resistant finishes or inlay are polytetrafluoroethyl-ne Alkene material;
On the top of experimental box body, ventilation equipment are set;The ventilation equipment include aspiration channel, inherent filtration device and non-connect Touch air pressure control device, one end connection of the aspiration channel test cavity, the other end connection inherent filtration device of aspiration channel and Contactless air pressure control device;
Inherent filtration device can aspirate the experiment intracorporal gas of chamber by aspiration channel;The inherent filtration device includes outside function Shell, the interior setting inlet air channel of the functional shell, air-out passage and circulation fold back channel;The one end in circulation fold back channel passes through choosing Exhaust valve connection air-out passage is selected, the other end in circulation fold back channel connects inlet air channel by selection intake valve;It is logical in outlet air Electronic gas detection device is set in road, when electronic gas detection device detects the qualitative data symbol of the air-flow in air-out passage When closing preset value, select exhaust valve that air-flow is enabled to be discharged from air-out passage, when electronic gas detection device detects in air-out passage Mass figures when being not up to preset value, select exhaust valve that air-flow is enabled to enter inlet air channel from circulation fold back channel and re-started Filter.
Preferably, the selection exhaust valve includes mounting rod, and the mounting rod is arranged in air-out passage, the mounting rod The first valve plate of upper setting, the first valve plate pushing meanss, the second valve plate and the second valve plate pushing meanss;First valve plate pushes dress Setting can push the first valve plate to close air-out passage, and the second valve plate pushing meanss can push the second valve plate closed circulation fold back logical The entrance in road;
The selection intake valve includes installation partition, and the installation partition is by inlet air channel partition at the first branch pipe and second Branch pipe hingedly installs the middle part of rotational valve plate on installation partition;There is air-flow to enter in inlet air channel from circulation fold back channel When, air-flow pushes rotational valve plate rotation, while the first branch pipe is opened in the side of rotational valve plate, the other side closing of rotational valve plate Second branch pipe.
Preferably, the inherent filtration device further includes air inducing chamber, sedimentation pipeline, cooling liquid filter chamber, water conservancy diversion diffusion admittance, filter Cotton filter chamber neutralizes filter chamber, active carbon filter chamber and lime particle filter chamber, inlet air channel, air inducing chamber, sedimentation pipeline, drop Warm liquid filter chamber, filter pulp filter chamber, neutralizes filter chamber, active carbon filter chamber, lime particle filter chamber and outlet air at water conservancy diversion diffusion admittance Channel is arranged in functional shell;Filter pulp device and tubaeform airflow commutating device are set in the filter pulp filter chamber;Wherein, enter The lower end in wind channel connects aspiration channel, and the upper end in inlet air channel connects air inducing chamber;
Air inlet and air outlet are set on the air inducing chamber, connected in the air inlet of the intracavitary setting air inducing wheel of air inducing, air inducing chamber Connect aspiration channel, the upper end of the air outlet connection sedimentation pipeline of air inducing chamber;The lower end insertion cooling liquid filter chamber of the sedimentation pipeline Bottom;
The lower end of the top connection water conservancy diversion diffusion admittance of the cooling liquid filter chamber, the upper end of water conservancy diversion diffusion admittance connect loudspeaker Shape airflow commutating device, setting rectification sieve at the horn mouth of the tubaeform airflow commutating device, if being arranged on rectification sieve Dry rectification stomata;The front of rectification sieve and the filtering cotton net of filter pulp device is oppositely arranged;Plane and mistake where rectifying sieve Plane where filter pulp net is parallel to each other and is divided into 1-2cm;
In the lower part connection of the filter pulp filter chamber and top of filter chamber, neutralizes the lower part connection active carbon filter chamber of filter chamber Top, the lower part of the lower part connection lime particle filter chamber of active carbon filter chamber, the top connection of lime particle filter chamber goes out Wind channel.
Preferably, three groups or more of water conservancy diversion swing arm set, the water conservancy diversion pendulum are vertically arranged along air inlet direction in inlet air channel Arm group includes at least two water conservancy diversion swing arms, and the mounting height of the water conservancy diversion swing arm in each water conservancy diversion swing arm set is identical;Water conservancy diversion swing arm is logical It crosses on the inner wall in mounting rod installation inlet air channel;Water conservancy diversion swing arm connects mounting rod by motorized roller, and water conservancy diversion swing arm can be electric Dynamic roller rotation;General mood hole is opened up on mounting rod;More than two cowling panels are set between inlet air channel and air inducing chamber, it is described Rectification hole is opened up on cowling panel;The aperture of the rectification hole is 2-3mm;
The tube body of the sedimentation pipeline and water conservancy diversion diffusion admittance contains at least one the bending turning at 90-120 degree angle;
" returning " font or spiral shape hydrojet coil pipe are set in the neutralization filter chamber, and setting hydrojet is micro- on the hydrojet coil pipe Hole, the aperture of the hydrojet micropore are 0.1-0.3mm;The liquid feeding end of hydrojet coil pipe connects neutralising fluid by neutralizer liquid feeding pump Storehouse, the neutralising fluid in neutralising fluid storehouse can be neutralized in liquid liquid feeding pump sucking hydrojet coil pipe, and be sprayed by hydrojet micropore; In and liquid storage tank is arranged in the bottom of filter chamber.
Preferably, the filter pulp device further includes filter pulp elastic retainers, and it is solid that the filtering cotton net is mounted on filter pulp elasticity Determine on device;Filter pulp elastic retainers include fixator cylinder, and simultaneously block is arranged in fixator cylinder open at one end, fixator cylinder Other end closing, is arranged tension spring, one end of tension spring is connected and fixed the closed end bottom of device cylinder, tension spring in fixator cylinder The other end connects expansion plate, and expansion plate is arranged in fixator cylinder and is stopped by block, and screw hole, mistake are installed on expansion plate The edge of the filter pulp net device cylinder that is fastened passes through tensioner screw after a week and is fixed on expansion plate.
Preferably, the contactless air pressure control device includes that wind pressure adjusts cylinder, and the wind pressure adjusts the week of cylinder Hollow sandwich is set in wall, wind pressure adjusting device is set in wind pressure adjustment barrel body, wind pressure adjusting plates are set in hollow sandwich and are revolved Rotatory force device, the wind pressure adjusting device include wind pressure rotating plate and magnetic mounting rack, and the both ends of wind pressure rotating plate are hinged on wind pressure On the inner wall for adjusting cylinder, wind pressure rotating plate connects magnetic mounting rack, and internal magnet is arranged at the both ends of magnetic mounting rack;The wind pressure Adjustable plate rotary power unit includes that wind pressure adjusts motor and outer runner, and external magnet, external magnet and interior magnetic are installed on outer runner Iron attracts each other;The wind pressure adjusts motor can connect the outer runner rotation of drive by transmission system, at the same time external magnet Internal magnet and the rotation of magnetic mounting rack are driven, the rotation angle of wind pressure rotating plate is changed, and then is controlled in aspiration channel and experiment cavity Air pressure;
The contactless air pressure control device further includes wind pressure rotating plate cleaning device, the wind pressure rotating plate cleaning device packet Cleaning device mounting rod is included, the entrance that wind pressure adjusts cylinder is arranged in the cleaning device mounting rod, installs in cleaning device Several vibrating springs are set on bar, one or more cleaning band body is fixed on each vibrating spring.
Preferably, experimental facilities storage space is arranged in the lower part of the vent cabinet, on the upper top of experimental facilities storage space Several grille strips are respectively set on face and bottom surface, retain grasping part between adjacent grille strip;In the grasping part It is inserted into spatial clapboard;
The ventilation equipment distinguish connection by aspiration channel and test cavity and experimental facilities storage space, with experiment cavity First air suction valve is set on connected aspiration channel, the second air draught is set on the aspiration channel being connected with experimental facilities storage space Valve;
Vessel perforation is opened up on upper top surface between adjacent grid item;In the vessel perforation intert gas conduit or Person's liquid conduits or storage space hermetic seal valve closing.
Preferably, the upper end of the gas conduit or liquid conduits connects angle adjustable nozzle;The adjustable angle spray Mouth is mounted in experiment cavity by nozzle angle adjuster;The nozzle angle adjuster includes mounting seat, the installation One end of arc torsional brace is installed by the first damping articulated shaft, the other end of arc torsional brace passes through the second resistance on pedestal Buddhist nun's articulated shaft connects angle adjustable nozzle;The adjustable angle nozzle can hover in any bending angle position.
Preferably, the storage space hermetic seal valve closing includes spool column, and the spool column installs three or more silica gel Turbine;Annular caulking groove is opened up on the periphery wall of vessel perforation, the section of the annular caulking groove is in " Ω " shape, the silica gel turbine Extension setting section be in " O " shape annular filler rod, it is described annular filler rod can be completely embedded into annular caulking groove and form sealing Structure;Several bar shaped stomatas, the central axes of the bar shaped stomata and the central axes of vessel perforation are opened up on the silica gel turbine It is arranged in parallel;When opening the first air suction valve, closing the second air suction valve, ventilation equipment aspirate experiment cavity by aspiration channel Interior gas, silica gel turbine are heaved to experiment cavity direction, and bar shaped stomata is squeezed closing, while having completely cut off experimental facilities storage Space cannot be introduced into experiment cavity with cavity, the air-flow in experimental facilities storage space is tested;When the second air suction valve of unlatching, close When the first air suction valve, ventilation equipment aspirate the gas in experimental facilities storage space by aspiration channel, and silica gel turbine is set to experiment Standby storage space direction is heaved, and bar shaped stomata is extruded closing, while completely cutting off experimental facilities storage space and experiment cavity, experiment The intracorporal air-flow of chamber cannot be introduced into experimental facilities storage space.
Preferably, air-exhausting duct is arranged in the end of the aspiration channel, and exhaust outlet is arranged in the end of air-exhausting duct;Air-exhausting duct setting row The one end in air port is lower than the connecting pin of air-exhausting duct and aspiration channel;The air-exhausting duct lower part opens up waste liquid liquid collecting hole, the air-exhausting duct By waste liquid liquid collecting hole connection waste liquid collector tube, waste liquid liquid collecting cavity is arranged in the middle part of the waste liquid collector tube, in waste liquid collector tube Lower part be arranged tapping valve;Setting three layer filtration adsorbs particle in the waste liquid liquid collecting cavity, and top layer is quartz sand particle, middle layer For active carbon particle, lowest level is exchanger resin particle;
It further include three layers or more of condensate liquid deflector, one end of the condensate liquid deflector is pacified by water conservancy diversion board mounting stand At exhaust outlet, lime set salient point is arranged in the other end lower part of condensate liquid deflector;The lime set salient point is located at waste liquid liquid collecting hole Top;The setting direction of the deflector and the central axes of air-exhausting duct are parallel to each other;
It further include fixed bracket, described support bracket fastened one end is fixed on vent cabinet or wall, support bracket fastened another Hold fixed exhaust outlet;Branch stent is fixed on the fixed bracket, branch stent is connected and fixed waste liquid collector tube.
Compared with prior art, the beneficial effects of the present invention are:
1. the present apparatus is not only able to provide more convenient and fast experiment condition, corrosion-resistant finishes or embedding is set in experiment cavity Layer, can prevent experimental provision to be corroded or damage.
2. the present invention can enable equipment more durable;Test cavity and can also more scientific reasonable processing cigarette Gas accomplishes harmless processing while suction, enables experimentation more safely controllable, the personal safety of practical Protection personnel While with health status, guarantees the safe and harmless discharge of experimental gas, ambient enviroment quality will not be jeopardized.Device passes through setting Multi-filtering structure realize gas purification processing, make its meet national standard SH/T 3009-2000, CNS 14064-1-2006 and The associated emission requirement of CNS14064-2-2006.
3. the present invention can prevent condensate liquid to be back to experiment chamber due to being provided with condensate liquid water conservancy diversion collection device Body;
4. the present invention can guarantee that the pressure in lab space is accurately adjustable by being equipped with air draft pressure maintaining regulator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one;
Fig. 2 is the structural schematic diagram of inherent filtration device;
Fig. 3 is the portion the A enlarged drawing of Fig. 2;
Fig. 4 is the portion the B enlarged drawing of Fig. 2;
Fig. 5 is the structural schematic diagram of contactless air pressure control device;
Fig. 6 is the structural schematic diagram of the embodiment of the present invention two;
Fig. 7 is the portion the C enlarged drawing of Fig. 6;
Fig. 8 is the portion the D enlarged drawing of Fig. 6;
Fig. 9 is the structural schematic diagram of silica gel turbine;
Figure 10 is the structural schematic diagram of waste collecting device;
In figure:
1, inherent filtration device;1.1, functional shell;1.2, cotton net is filtered;1.3, tubaeform airflow commutating device;1.4, it sprays Liquid coil pipe;1.5, lime particle filter chamber;1.6, active carbon filter chamber;1.7, cool down liquid filter chamber;1.8, fold back channel is recycled; 1.9, inlet air channel;1.10, rotational valve plate;1.11, the first branch pipe;1.12, partition is installed;1.13, the second branch pipe;1.14, it is whole Flowing plate;1.15, air inducing chamber;1.16, air inducing wheel;1.17, pipeline is settled;1.18, water conservancy diversion diffusion admittance;1.19, tension spring;1.20, Fixator cylinder;1.21, expansion plate;1.22, tensioner screw;1.23, air-out passage;1.24, electronic gas detection device; 1.25, mounting rod;1.26, the first valve plate;1.27, the second valve plate;
2, aspiration channel;
3, contactless air pressure control device;3.1, magnetic mounting rack;3.2, internal magnet;3.3, hollow sandwich;3.4, wind Press rotating plate;3.5, outer runner;3.6, external magnet;3.7, wind pressure adjusts motor;3.8, cleaning device mounting rod;3.9, bullet is vibrated Spring;3.10, cleaning band body;
4, cavity is tested;
5, experimental facilities storage space;5.1, vessel perforation;5.2, grille strip;5.3, spatial clapboard;5.4, adjustable angle Nozzle;5.5, arc torsional brace;5.6, mounting seat;5.7, bar shaped stomata;5.8, spool column;5.9, annular caulking groove;5.10, Annular filler rod;5.11, silica gel turbine;
6, waste collecting device;6.1, fixed bracket;6.2, fixed branch stent;6.3, tapping valve;6.4, waste liquid liquid collecting Chamber;6.5, waste liquid collector tube;6.7, condensate liquid deflector;6.8, air-exhausting duct.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
Embodiment one
As shown in Figure 1, a kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory include kiln body, including vent cabinet, it is described Experimental box body is arranged in the top of vent cabinet, setting experiment cavity in the experimental box body, and setting is corrosion-resistant in the experiment cavity Coating or inlay, the corrosion-resistant finishes or inlay are polytetrafluoroethylene (PTFE) material.
On the top of experimental box body, ventilation equipment are set;The ventilation equipment include aspiration channel, inherent filtration device and non-connect Touch air pressure control device, one end connection of the aspiration channel test cavity, the other end connection inherent filtration device of aspiration channel and Contactless air pressure control device.
As shown in Fig. 2, inherent filtration device can aspirate the experiment intracorporal gas of chamber by aspiration channel;The inherent filtration device Including functional shell, setting inlet air channel, air-out passage and circulation fold back channel in the functional shell;Recycle fold back channel One end is connected inlet air by selection intake valve and is led to by selection exhaust valve connection air-out passage, the other end in circulation fold back channel Road;Electronic gas detection device is set in air-out passage, when electronic gas detection device detects the air-flow in air-out passage Qualitative data when meeting preset value, select exhaust valve that air-flow is enabled to be discharged from air-out passage, when electronic gas detection device detects When mass figures in air-out passage are not up to preset value, select exhaust valve that air-flow is enabled to enter inlet air from circulation fold back channel and lead to Road re-starts filtering.This design will carry out experimental gas collection in the case where reservation original equipment function is constant first originally, Then the experimental gas in more laboratory hoods is converged again, will be tested finally by the transfer pipeline of equivalent length Gas conveying is discharged indoor mode and changes into, and the interior that ventilation hoods for laboratories is directly carried out one individual of separate single is in line, On the one hand on the other hand the installation cost for reducing the equipment has eliminated dirt of the discharge to atmospheric environment outside experimental gas room Dye.
As shown in figure 4, the selection exhaust valve includes mounting rod, the mounting rod is arranged in air-out passage, the peace The first valve plate, the first valve plate pushing meanss, the second valve plate and the second valve plate pushing meanss are set on dress bar;First valve plate pushes away Dynamic device can push the first valve plate to close air-out passage, and the second valve plate pushing meanss can push the second valve plate closed circulation to return Roll over the entrance in channel.
The selection intake valve includes installation partition, and the installation partition is by inlet air channel partition at the first branch pipe and second Branch pipe hingedly installs the middle part of rotational valve plate on installation partition;There is air-flow to enter in inlet air channel from circulation fold back channel When, air-flow pushes rotational valve plate rotation, while the first branch pipe is opened in the side of rotational valve plate, the other side closing of rotational valve plate Second branch pipe.
As shown in Fig. 2, the inherent filtration device further includes that air inducing chamber, sedimentation pipeline, cooling liquid filter chamber, water conservancy diversion diffusion are logical Road, neutralizes filter chamber, active carbon filter chamber and lime particle filter chamber, inlet air channel, air inducing chamber, sedimentation pipe at filter pulp filter chamber Road, water conservancy diversion diffusion admittance, filter pulp filter chamber, neutralizes filter chamber, active carbon filter chamber, lime particle filter chamber at cooling liquid filter chamber It is arranged in functional shell with air-out passage;Filter pulp device and tubaeform airflow commutating device are set in the filter pulp filter chamber.
Wherein, the lower end in inlet air channel connects aspiration channel, and the upper end in inlet air channel connects air inducing chamber.
Air inlet and air outlet are set on the air inducing chamber, connected in the air inlet of the intracavitary setting air inducing wheel of air inducing, air inducing chamber Connect aspiration channel, the upper end of the air outlet connection sedimentation pipeline of air inducing chamber;The lower end insertion cooling liquid filter chamber of the sedimentation pipeline Bottom.
The lower end of the top connection water conservancy diversion diffusion admittance of the cooling liquid filter chamber, the upper end of water conservancy diversion diffusion admittance connect loudspeaker Shape airflow commutating device, setting rectification sieve at the horn mouth of the tubaeform airflow commutating device, if being arranged on rectification sieve Dry rectification stomata;The front of rectification sieve and the filtering cotton net of filter pulp device is oppositely arranged;Plane and mistake where rectifying sieve Plane where filter pulp net is parallel to each other and is divided into 1-2cm.
In the lower part connection of the filter pulp filter chamber and top of filter chamber, neutralizes the lower part connection active carbon filter chamber of filter chamber Top, the lower part of the lower part connection lime particle filter chamber of active carbon filter chamber, the top connection of lime particle filter chamber goes out Wind channel.
Air inlet direction in edge is vertically arranged three groups or more of water conservancy diversion swing arm set in inlet air channel, and the water conservancy diversion swing arm set includes The mounting height of at least two water conservancy diversion swing arms, the water conservancy diversion swing arm in each water conservancy diversion swing arm set is identical;Water conservancy diversion swing arm passes through mounting rod On the inner wall for installing inlet air channel;Water conservancy diversion swing arm connects mounting rod by motorized roller, and water conservancy diversion swing arm can be turned by motorized roller It is dynamic;General mood hole is opened up on mounting rod;More than two cowling panels are set between inlet air channel and air inducing chamber, on the cowling panel Open up rectification hole;The aperture of the rectification hole is 2-3mm.
The tube body of the sedimentation pipeline and water conservancy diversion diffusion admittance contains at least one the bending turning at 90-120 degree angle.
" returning " font or spiral shape hydrojet coil pipe are set in the neutralization filter chamber, and setting hydrojet is micro- on the hydrojet coil pipe Hole, the aperture of the hydrojet micropore are 0.1-0.3mm;The liquid feeding end of hydrojet coil pipe connects neutralising fluid by neutralizer liquid feeding pump Storehouse, the neutralising fluid in neutralising fluid storehouse can be neutralized in liquid liquid feeding pump sucking hydrojet coil pipe, and be sprayed by hydrojet micropore; In and liquid storage tank is arranged in the bottom of filter chamber.
As shown in figure 3, the filter pulp device further includes filter pulp elastic retainers, the filtering cotton net is mounted on filter pulp elasticity On fixator;Filter pulp elastic retainers include fixator cylinder, and simultaneously block is arranged in fixator cylinder open at one end, fixator cylinder The other end closing, tension spring is set in fixator cylinder, and one end of tension spring is connected and fixed the closed end bottom of device cylinder, tension spring The other end connect expansion plate, expansion plate, which is arranged in fixator cylinder and by block, to be stopped, screw hole is installed on expansion plate, The edge of the filtering cotton net device cylinder that is fastened passes through tensioner screw after a week and is fixed on expansion plate.This structure can make Filter pulp net realizes the bending elasticity of filtering surface, can realize be ok under the conditions of different pressure or different throughputs whereby Very good completion filtration operation
As shown in figure 5, the contactless air pressure control device includes that wind pressure adjusts cylinder, the wind pressure adjusts cylinder Hollow sandwich is set in peripheral wall, wind pressure adjusting device is set in wind pressure adjustment barrel body, wind pressure adjusting plates are set in hollow sandwich Rotary power unit, the wind pressure adjusting device include wind pressure rotating plate and magnetic mounting rack, and the both ends of wind pressure rotating plate are hinged on wind Pressure is adjusted on the inner wall of cylinder, and wind pressure rotating plate connects magnetic mounting rack, and internal magnet is arranged at the both ends of magnetic mounting rack;The wind Pressure adjustable plate rotary power unit includes that wind pressure adjusts motor and outer runner, installs external magnet on outer runner, external magnet and interior Magnet attracts each other;The wind pressure adjusts motor can connect the outer runner rotation of drive by transmission system, at the same time outer magnetic Iron drives internal magnet and the rotation of magnetic mounting rack, changes the rotation angle of wind pressure rotating plate, and then controls aspiration channel and experiment cavity Interior air pressure.By the way that the contactless adjustable exhaust outlet angle of air pressure control device is added, realize to the dedicated ventilation in laboratory The control of gas experiment chamber capacity in cabinet keeps the relatively stable of gas experiment chamber air pressure in experimentation with this.Adjust dress It sets and takes contactless design, leaked cruelly in corrosive gas for a long time by corrosion attack, out to avoid each component of regulating device The case where now shortening the working life.
The contactless air pressure control device further includes wind pressure rotating plate cleaning device, the wind pressure rotating plate cleaning device packet Cleaning device mounting rod is included, the entrance that wind pressure adjusts cylinder is arranged in the cleaning device mounting rod, installs in cleaning device Several vibrating springs are set on bar, one or more cleaning band body is fixed on each vibrating spring.Vibrating spring is in air duct It is interior to be influenced by wind-force, by the drive of cleaning band body, occur longitudinal length trembling in air duct, along with cleaning band body by Wind-force is swung, and completes the cleaning to wind pressure adjusting device.The device, can be complete while air draft after it joined clearing apparatus At the automatically cleaning of device, which does not need to complete work in the case where providing other external force, is very suitable to promote the use of.
Embodiment two
In the present embodiment, the ventilation equipment distinguish connection experiment cavity by aspiration channel and experimental facilities stores sky Between, the first air suction valve is set on the aspiration channel being connected with experiment cavity, in the aspiration channel being connected with experimental facilities storage space The second air suction valve of upper setting.The top of the experiment cavity is hemispherical, and experimental gas can be prevented on the top of experiment cavity Corner accumulates.As shown in fig. 6, experimental facilities storage space is arranged in the lower part of the vent cabinet, in experimental facilities storage space Upper top surface and bottom surface on several grille strips are respectively set, retain grasping part between adjacent grille strip;The clamping Spatial clapboard is inserted into space.
Vessel perforation is opened up on upper top surface between adjacent grid item;In the vessel perforation intert gas conduit or Person's liquid conduits or storage space hermetic seal valve closing.
As shown in fig. 7, the upper end of the gas conduit or liquid conduits connects angle adjustable nozzle;The adjustable angle Nozzle is mounted in experiment cavity by nozzle angle adjuster;The nozzle angle adjuster includes mounting seat, the peace The one end for installing arc torsional brace on pedestal by the first damping articulated shaft is filled, the other end of arc torsional brace passes through second Damp articulated shaft joint angle degree adjustable nozzle;The adjustable angle nozzle can hover in any bending angle position, with convenient The connection of pipeline is arranged.
As shown in FIG. 8 and 9, the storage space hermetic seal valve closing includes spool column, and the spool column installs three or more Silica gel turbine;Annular caulking groove is opened up on the periphery wall of vessel perforation, the section of the annular caulking groove is in " Ω " shape, the silicon The extension setting section of glue turbine is in the annular filler rod of " O " shape, and the annular filler rod can be completely embedded into annular caulking groove and shape At sealing structure;Open up several bar shaped stomatas on the silica gel turbine, the central axes of the bar shaped stomata and vessel perforation Central axes are arranged in parallel;When opening the first air suction valve, closing the second air suction valve, ventilation equipment are aspirated real by aspiration channel Test the intracorporal gas of chamber, silica gel turbine is heaved to experiment cavity direction, and bar shaped stomata is squeezed closing, while having completely cut off to test and set Standby storage space cannot be introduced into experiment cavity with cavity, the air-flow in experimental facilities storage space is tested;When opening the second air draught Valve, close the first air suction valve when, ventilation equipment by aspiration channel suction experimental facilities storage space in gas, silica gel turbine to Experimental facilities storage space direction is heaved, and bar shaped stomata is extruded closing, while completely cutting off experimental facilities storage space and experiment chamber Body, the experiment intracorporal air-flow of chamber cannot be introduced into experimental facilities storage space.
As shown in Figure 10, the invention also includes waste collecting device, the waste collecting device includes waste liquid liquid collecting hole, gives up Liquid collector tube and waste liquid liquid collecting cavity.Air-exhausting duct is arranged in the end of the aspiration channel, and exhaust outlet is arranged in the end of air-exhausting duct;Air-exhausting duct One end that exhaust outlet is arranged is lower than the connecting pin of air-exhausting duct and aspiration channel;The air-exhausting duct lower part opens up waste liquid liquid collecting hole, described Air-exhausting duct is by waste liquid liquid collecting hole connection waste liquid collector tube, and waste liquid liquid collecting cavity is arranged in the middle part of the waste liquid collector tube, in waste liquid Tapping valve is arranged in the lower part of collector tube;Setting three layer filtration adsorbs particle in the waste liquid liquid collecting cavity, and top layer is quartz sand Grain, middle layer are active carbon particle, and lowest level is exchanger resin particle;
It further include three layers or more of condensate liquid deflector, one end of the condensate liquid deflector is pacified by water conservancy diversion board mounting stand At exhaust outlet, lime set salient point is arranged in the other end lower part of condensate liquid deflector;The lime set salient point is located at waste liquid liquid collecting hole Top;The setting direction of the deflector and the central axes of air-exhausting duct are parallel to each other;
It further include fixed bracket, described support bracket fastened one end is fixed on vent cabinet or wall, support bracket fastened another Hold fixed exhaust outlet;Branch stent is fixed on the fixed bracket, branch stent is connected and fixed waste liquid collector tube.
The other structures of the present embodiment described device are with usage mode as in the first embodiment, repeating no more.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Imitate embodiment.Without departing from the technical solutions of the present invention, to the above embodiments according to the technical essence of the invention Any simple modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.

Claims (9)

1. a kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory, it is characterised in that: including vent cabinet, the vent cabinet it is upper Experimental box body is arranged in portion, setting experiment cavity in the experimental box body, setting corrosion-resistant finishes or inlay in the experiment cavity, The corrosion-resistant finishes or inlay are polytetrafluoroethylene (PTFE) material;
On the top of experimental box body, ventilation equipment are set;The ventilation equipment include aspiration channel, inherent filtration device and contactless Air pressure control device, one end connection of the aspiration channel test cavity, the other end connection inherent filtration device of aspiration channel and non-connect Touch air pressure control device;
Inherent filtration device can aspirate the experiment intracorporal gas of chamber by aspiration channel;The inherent filtration device includes functional shell, Setting inlet air channel, air-out passage and circulation fold back channel in the functional shell;The one end in circulation fold back channel passes through selection Exhaust valve connects air-out passage, and the other end in circulation fold back channel connects inlet air channel by selection intake valve;In air-out passage Interior setting electronic gas detection device, when electronic gas detection device detects that the qualitative data of the air-flow in air-out passage meets When preset value, select exhaust valve that air-flow is enabled to be discharged from air-out passage, when electronic gas detection device detects in air-out passage When mass figures are not up to preset value, select exhaust valve that air-flow is enabled to enter inlet air channel from circulation fold back channel and re-started Filter;
The selection exhaust valve includes mounting rod, and the mounting rod is arranged in air-out passage, is arranged first on the mounting rod Valve plate, the first valve plate pushing meanss, the second valve plate and the second valve plate pushing meanss;The first valve plate pushing meanss can push First valve plate closes air-out passage, and the second valve plate pushing meanss can push the entrance in the second valve plate closed circulation fold back channel;
The selection intake valve includes installation partition, and the installation partition is by inlet air channel partition at the first branch pipe and second Pipe hingedly installs the middle part of rotational valve plate on installation partition;When thering is air-flow to enter in inlet air channel from circulation fold back channel, Air-flow pushes rotational valve plate rotation, while the first branch pipe is opened in the side of rotational valve plate, the other side closing of rotational valve plate the Two branch pipes.
2. a kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory described in accordance with the claim 1, it is characterised in that: it is described from Filter device further include air inducing chamber, sedimentation pipeline, cooling liquid filter chamber, water conservancy diversion diffusion admittance, filter pulp filter chamber, neutralize filter chamber, Active carbon filter chamber and lime particle filter chamber, inlet air channel, air inducing chamber, sedimentation pipeline, cooling liquid filter chamber, water conservancy diversion diffusion are logical Road, filter pulp filter chamber neutralize filter chamber, active carbon filter chamber, lime particle filter chamber and air-out passage setting in functional shell It is interior;Filter pulp device and tubaeform airflow commutating device are set in the filter pulp filter chamber;
Wherein, the lower end in inlet air channel connects aspiration channel, and the upper end in inlet air channel connects air inducing chamber;
Air inlet and air outlet are set on the air inducing chamber, and in the intracavitary setting air inducing wheel of air inducing, the air inlet of air inducing chamber, which connects, to be inhaled Air hose, the upper end of the air outlet connection sedimentation pipeline of air inducing chamber;The bottom of the lower end insertion cooling liquid filter chamber of the sedimentation pipeline;
The lower end of the top connection water conservancy diversion diffusion admittance of the cooling liquid filter chamber, the upper end of water conservancy diversion diffusion admittance connect tubaeform gas Fairing is flowed, setting rectification sieve at the horn mouth of the tubaeform airflow commutating device rectifies and several are arranged on sieve Rectify stomata;The front of rectification sieve and the filtering cotton net of filter pulp device is oppositely arranged;Plane and filter cotton where rectifying sieve Plane where net is parallel to each other and is divided into 1-2cm;
In the lower part connection of the filter pulp filter chamber and top of filter chamber, neutralizes the upper of the lower part connection active carbon filter chamber of filter chamber The top connection outlet air in portion, the lower part of the lower part connection lime particle filter chamber of active carbon filter chamber, lime particle filter chamber is logical Road.
3. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 2, it is characterised in that: in inlet air Air inlet direction in edge is vertically arranged three groups or more of water conservancy diversion swing arm set in channel, and the water conservancy diversion swing arm set includes that at least two water conservancy diversion are put The mounting height of arm, the water conservancy diversion swing arm in each water conservancy diversion swing arm set is identical;Water conservancy diversion swing arm installs inlet air channel by mounting rod On inner wall;Water conservancy diversion swing arm connects mounting rod by motorized roller, and water conservancy diversion swing arm can be rotated by motorized roller;It is opened up on mounting rod General mood hole;More than two cowling panels are set between inlet air channel and air inducing chamber, open up rectification hole on the cowling panel;It is described The aperture of rectification hole is 2-3mm;
The tube body of the sedimentation pipeline and water conservancy diversion diffusion admittance contains at least one the bending turning at 90-120 degree angle;
" returning " font or spiral shape hydrojet coil pipe are set in the neutralization filter chamber, hydrojet micropore is set on the hydrojet coil pipe, The aperture of the hydrojet micropore is 0.1-0.3mm;The liquid feeding end of hydrojet coil pipe connects neutralising fluid storehouse by neutralizer liquid feeding pump, Neutralising fluid in neutralising fluid storehouse can be neutralized in liquid liquid feeding pump sucking hydrojet coil pipe, and be sprayed by hydrojet micropore;? Liquid storage tank is arranged in the bottom for neutralizing filter chamber.
4. a kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory described in accordance with the claim 3, it is characterised in that: the filter Cotton device further includes filter pulp elastic retainers, and the filtering cotton net is mounted in filter pulp elastic retainers;Filter pulp elastic retainers Including fixator cylinder, simultaneously block is arranged in fixator cylinder open at one end, the other end closing of fixator cylinder, in fixator cylinder Setting tension spring in vivo, one end of tension spring are connected and fixed the closed end bottom of device cylinder, and the other end of tension spring connects expansion plate, stretches Plate is arranged in fixator cylinder and is stopped by block, screw hole is installed on expansion plate, the edge for filtering cotton net is fastened Device cylinder passes through tensioner screw after a week and is fixed on expansion plate.
5. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 4, it is characterised in that: described non- Contact air pressure control device includes that wind pressure adjusts cylinder, and the wind pressure, which is adjusted, is arranged hollow sandwich, wind pressure in the peripheral wall of cylinder Wind pressure adjusting device is set in adjustment barrel body, wind pressure adjusting plates rotary power unit, the wind pressure tune are set in hollow sandwich Regulating device includes wind pressure rotating plate and magnetic mounting rack, and the both ends of wind pressure rotating plate are hinged on wind pressure and adjust on the inner wall of cylinder, wind pressure Rotating plate connects magnetic mounting rack, and internal magnet is arranged at the both ends of magnetic mounting rack;The wind pressure adjusting plates rotary power unit packet It includes wind pressure and adjusts motor and outer runner, external magnet is installed on outer runner, external magnet and internal magnet attract each other;The wind pressure tune Economize on electricity machine can be connected by transmission system drives outer runner to rotate, and external magnet drives internal magnet and magnetic mounting rack at the same time Rotation changes the rotation angle of wind pressure rotating plate, and then controls aspiration channel and the experiment intracorporal air pressure of chamber;
The contactless air pressure control device further includes wind pressure rotating plate cleaning device, and the wind pressure rotating plate cleaning device includes clear Clean device mounting rod, the entrance that wind pressure adjusts cylinder is arranged in the cleaning device mounting rod, on cleaning device mounting rod Several vibrating springs are set, one or more cleaning band body is fixed on each vibrating spring.
6. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 5, it is characterised in that: described logical Experimental facilities storage space is arranged in the lower part of wind cabinet, if being respectively set on the upper top surface of experimental facilities storage space and bottom surface A grille strip is done, retains grasping part between adjacent grille strip;Spatial clapboard is inserted into the grasping part;
The ventilation equipment distinguish connection by aspiration channel and test cavity and experimental facilities storage space, are connected with experiment cavity Aspiration channel on the first air suction valve is set, the second air suction valve is set on the aspiration channel being connected with experimental facilities storage space;
Vessel perforation is opened up on upper top surface between adjacent grid item;Intert gas conduit or liquid in the vessel perforation Body canal or storage space hermetic seal valve closing.
7. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 6, it is characterised in that: the gas The upper end of body canal or liquid conduits connects angle adjustable nozzle;The adjustable angle nozzle is pacified by nozzle angle adjuster In experiment cavity;The nozzle angle adjuster includes mounting seat, hinged by the first damping in the mounting seat Axis installs one end of arc torsional brace, and the other end of arc torsional brace passes through the second damping adjustable spray of articulated shaft joint angle degree Mouth;The adjustable angle nozzle can hover in any bending angle position.
8. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 7, it is characterised in that: the storage Hermetic seal valve closing includes spool column between emptying, and the spool column installs three or more silica gel turbines;In the periphery of vessel perforation Annular caulking groove is opened up on wall, the section of the annular caulking groove is in " Ω " shape, and the extension setting section of the silica gel turbine is in " O " shape Annular filler rod, it is described annular filler rod can be completely embedded into annular caulking groove and form sealing structure;It is opened on the silica gel turbine If several bar shaped stomatas, the central axes of the bar shaped stomata and the central axes of vessel perforation are arranged in parallel;When opening the One air suction valve, when closing the second air suction valve, ventilation equipment test the intracorporal gas of chamber by aspiration channel suction, and silica gel turbine is to reality It tests cavity direction to heave, bar shaped stomata is squeezed closing, while having completely cut off experimental facilities storage space and experiment cavity, and experiment is set Air-flow in standby storage space cannot be introduced into experiment cavity;When opening the second air suction valve, closing the first air suction valve, ventilation equipment The gas in experimental facilities storage space is aspirated by aspiration channel, silica gel turbine is heaved to experimental facilities storage space direction, item Shape stomata is extruded closing, while completely cutting off experimental facilities storage space and experiment cavity, and the experiment intracorporal air-flow of chamber cannot be introduced into Experimental facilities storage space.
9. the dedicated ventilation equipment in a kind of Environment-friendlycorrosion-resistant corrosion-resistant type laboratory according to claim 8, it is characterised in that: the suction Air-exhausting duct is arranged in the end of air hose, and exhaust outlet is arranged in the end of air-exhausting duct;One end that exhaust outlet is arranged in air-exhausting duct is lower than air-exhausting duct With the connecting pin of aspiration channel;The air-exhausting duct lower part opens up waste liquid liquid collecting hole, and the air-exhausting duct is useless by waste liquid liquid collecting hole connection Waste liquid liquid collecting cavity is arranged in the middle part of liquid collector tube, the waste liquid collector tube, and tapping valve is arranged in the lower part of waste liquid collector tube;It is described Setting three layer filtration adsorbs particle in waste liquid liquid collecting cavity, and top layer is quartz sand particle, middle layer is active carbon particle, and lowest level is Exchanger resin particle;
It further include three layers or more of condensate liquid deflector, one end of the condensate liquid deflector is mounted on by water conservancy diversion board mounting stand At exhaust outlet, lime set salient point is arranged in the other end lower part of condensate liquid deflector;The lime set salient point is located at the upper of waste liquid liquid collecting hole Side;The setting direction of the deflector and the central axes of air-exhausting duct are parallel to each other;
It further include fixed bracket, described support bracket fastened one end is fixed on vent cabinet or wall, and the support bracket fastened other end is solid Determine exhaust outlet;Branch stent is fixed on the fixed bracket, branch stent is connected and fixed waste liquid collector tube.
CN201710457470.4A 2017-06-16 2017-06-16 A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory Active CN107052017B (en)

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