CN107537839A - A kind of explosion-proof wet dedusting vent cabinet - Google Patents
A kind of explosion-proof wet dedusting vent cabinet Download PDFInfo
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- CN107537839A CN107537839A CN201610461498.0A CN201610461498A CN107537839A CN 107537839 A CN107537839 A CN 107537839A CN 201610461498 A CN201610461498 A CN 201610461498A CN 107537839 A CN107537839 A CN 107537839A
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- vent cabinet
- cabinet
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- wet dedusting
- waste gas
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Abstract
The invention belongs to laboratory equipment technical field, and in particular to a kind of explosion-proof wet dedusting vent cabinet, include the cabinet of vent cabinet, be arranged at the waste gas purification apparatus of cabinet side and the control board being arranged on waste gas purification apparatus；Waste gas in laboratory can be purified, then laboratory is extracted out by air exhauster, it is provided with safety detection module, it is capable of the flame of testing laboratory, smoke condition, the voltage status of water position status and circuit, and taken appropriate measures according to these signals, automatically adjust the power supply of vent cabinet, the working condition of the processing of waste gas, this has good protective effect for the health of experimenter, the waste gas in laboratory is purified, influence of the waste gas to some experimental facilities or experiment effect can also be avoided, the explosion-proof wet dedusting vent cabinet, it is additionally provided with balance table, with support, the function of damping.
Description
Technical field
The invention belongs to laboratory equipment technical field, and in particular to a kind of explosion-proof wet dedusting vent cabinet.
Background technology
Vent cabinet is an indispensable part in laboratory ventilation design.In order that laboratory worker does not suck or swallowed the chemical substance that some are poisonous, can causing a disease or toxicity is not clear and should have good ventilation in organism, laboratory.To prevent some steams, gas and particulate（Smog, coal smoke, dust and aerosol）Absorption, polluter must use vent cabinet, ventilator cowling or the method for local ventilation to remove.
Existing vent cabinet design structure is fairly simple, is typically provided with ventilating opening, and ventilating opening is connected by air exhauster, carries out exhausting and reaches pernicious gas, steam, the particulate discharged in laboratory（Smog, coal smoke, dust and aerosol）Purpose, but so pollution that can cause air, that is, existing vent cabinet can not purify to the waste gas of discharge, larger to environmental hazard.And existing vent cabinet is less to the environmental factor detection around vent cabinet, can not according to the change of environment, the ventilation state to vent cabinet, security situation detect automatically, this safety to laboratory is also very unfavorable, easily causes unexpected accident.
The content of the invention
The problem of purpose of the present invention is to overcome dust removal cabinet to discharge exhaust emission environment, larger to environmental hazard and can not detect vent cabinet surrounding environment, and the accident of can't detect occurs and takes counter-measure.
Therefore, the invention provides a kind of explosion-proof wet dedusting vent cabinet, include the cabinet of vent cabinet, be arranged at the waste gas purification apparatus of cabinet side and the control board being arranged on waste gas purification apparatus；
Waste gas purification apparatus includes tank body, the gas-liquid separator being arranged above tank interior, the lower section of gas-liquid separator is provided with atomizing spray head, the atomizing spray head is connected by aqueduct with being arranged at the water circulating pump of tank body lower right, water circulating pump is also connected with the cyclic water tank being arranged at below tank body, and the bottom of tank body connects with cyclic water tank upper end, the top of tank body is provided with exhaust outlet, the exhaust outlet and the exhaust blower of distal end are connected by exhaust duct, the lower section of tank body also side is provided with air inlet, the air inlet is connected by wind conveying pipe road with the air inlet being arranged on vent cabinet；
Main control chip is provided with control board, main control chip electrically connects with being arranged at the control panel of tank body side, for receiving the control information inputted by control panel, control panel also with water circulating pump and air draft mechatronics, for being controlled to water circulating pump and exhaust blower, the main control chip, control panel also electrically connect with dc source, electric energy needed for the dc source provides control panel, main control chip works, the water circulating pump exhaust blower is electrically connected with AC power, the electric energy needed for AC power offer water circulating pump, exhaust blower work；The main control chip also main control chip is also electrically connected with safety detection module, and for being detected to the working environment of vent cabinet, the safety detection module includes flame detection, Smoke Detection, water level detecting, pressure survey detection and safety switch.
Illuminating lamp is additionally provided with vent cabinet, the illuminating lamp is controlled by main control chip；The illuminating lamp also electrically connects with AC power, second AC power provides the electric energy needed for illuminating lamp work, blower fan illumination control panel is additionally provided with the cabinet, illumination condition can be adjusted, there is provided the second AC power of the illuminating lamp work energy is 220V AC powers.
Frequency converter VF is additionally provided between exhaust blower and AC power, for controlling the air quantity of exhaust blower.
Aqueduct is provided with atomization intake valve, sewage blow-down valve from top to bottom.
Sewage filter net is provided with cyclic water tank.
Air inlet is provided with bar shaped vent, and blast regulation valve is additionally provided with the right side of the air inlet.
Gas cock is provided with wind conveying pipe road and controls the air valve of gas cock.
Cabinet also includes operating desk, is provided with balance table in the middle part of the operating desk, the top surface of the balance table is embedded in the table top of operating desk.
Cyclic water tank top left hand is provided with water inlet.
AC power is 380V AC powers, and the dc source is AC-DC conversion module, for 220V AC powers to be converted into 24V dc sources.
Beneficial effects of the present invention：This explosion-proof wet dedusting vent cabinet provided by the invention,It is provided with waste gas purification apparatus,Waste gas in laboratory can be purified,Then laboratory is extracted out by air exhauster,Can not only cleaning laboratory waste gas,Steam,Gas,Particulate,Smog,Coal smoke,Dust,The harmful substances such as aerosol,Prevent it from discharging laboratory pollution air,And the air quality of the effective cleaning laboratory of energy,And it is provided with safety detection module,It is capable of the flame of testing laboratory,Smoke condition,The voltage status of water position status and circuit,And taken appropriate measures according to these signals,Automatically adjust the power supply of vent cabinet,The working condition of the processing of waste gas,This has good protective effect for the health of experimenter,The waste gas in laboratory is purified,Influence of the waste gas to some experimental facilities or experiment effect can also be avoided,The explosion-proof wet dedusting vent cabinet,It is additionally provided with balance table,With support,The function of damping.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is explosion-proof wet dedusting vent cabinet front perspective view.
Fig. 2 is waste gas purification apparatus front perspective view.
Fig. 3 is cabinet front perspective view.
Fig. 4 is the control circuit schematic diagram of explosion-proof wet dedusting vent cabinet.
Fig. 5 is the control circuit schematic diagram of explosion-proof wet dedusting vent cabinet.
Fig. 6 is operator control panel interface schematic diagram.
In figure：1st, cabinet；2nd, waste gas purification apparatus；3rd, exhaust outlet；4 gas-liquid separators；5th, atomizing spray head；6th, tank body；7th, housing；8th, control panel；9th, it is atomized intake valve；10th, sewage blow-down valve；11st, air inlet；12nd, water circulating pump；13rd, water inlet；14th, sewage water filtration network interface；15th, cyclic water tank；16th, air valve；17th, gas cock；18th, aqueduct groove；19th, air inlet；20th, blower fan illumination control panel；21st, flame-proof switch；22nd, blast regulation valve；23rd, operating desk；24th, balance table；25th, Explosionproof socket；26th, wind conveying pipe road.
Embodiment
For the technological means and effect that the present invention reaches predetermined purpose and taken is expanded on further, embodiment, architectural feature and its effect below in conjunction with drawings and Examples to the present invention, describe in detail as follows.
Embodiment 1：
In order to overcome dust removal cabinet to discharge exhaust emission environment, it is larger to environmental hazard and vent cabinet surrounding environment can not be detected, the problem of accident of can't detect occurs and takes counter-measure, present embodiments provide a kind of explosion-proof wet dedusting vent cabinet as described in Figure 1, cabinet 1 including vent cabinet, it is arranged at the waste gas purification apparatus 2 of the side of cabinet 1 and the control board being arranged on waste gas purification apparatus 2；
Such as Fig. 2, shown in Fig. 3, waste gas purification apparatus 2 includes tank body 6, it is arranged at the gas-liquid separator 4 of the inner upper of tank body 6, the lower section of gas-liquid separator 4 is provided with atomizing spray first 5, the atomizing spray first 5 is connected by aqueduct 18 with being arranged at the water circulating pump 12 of the lower right of tank body 6, the water circulating pump 12 is also connected with being arranged at the cyclic water tank 15 of the lower section of tank body 6, and the bottom of tank body 6 connects with the upper end of cyclic water tank 15, the top of tank body 6 is provided with exhaust outlet 3, the exhaust outlet 3 is connected with the exhaust blower of distal end by exhaust duct, the lower section of tank body 6 also side is provided with air inlet 11, the air inlet 11 is connected by wind conveying pipe road 26 with the air inlet 19 being arranged on vent cabinet；
Such as Fig. 4, shown in Fig. 5, main control chip is provided with the control board, the main control chip electrically connects with being arranged at the control panel 8 of the side of tank body 6, for receiving the control information inputted by control panel 8, the control panel 8 also with water circulating pump 12 and air draft mechatronics, for being controlled to water circulating pump 12 and exhaust blower, the main control chip, control panel 8 also electrically connects with dc source, the dc source provides control panel 8, electric energy needed for main control chip work, the exhaust blower of water circulating pump 12 is electrically connected with AC power, the AC power provides water circulating pump 12, electric energy needed for exhaust blower work；AC power is 380V AC powers, the dc source is AC-DC conversion module, for 220V AC powers to be converted into 24V dc sources, the electric energy needed for dc source offer operator control panel, main control chip work, the water circulating pump 12, exhaust blower are electrically connected with AC power.
Main control chip is also electrically connected with safety detection module, and for being detected to the working environment of vent cabinet, the safety detection module includes flame detection, Smoke Detection, water level detecting, pressure survey detection and safety switch.When the detection parameters for detecting the appearance exception of the environment residing for vent cabinet, the different information that flame detection, Smoke Detection, water level detecting, pressure survey according to detecting detect, main control chip control power supply, exhaust blower, water circulating pump 12 take corresponding emergency measure, it is ensured that the safety of laboratory and experimenter.
As shown in fig. 6, being the operation interface of control panel 8, illuminating lamp, exhaust blower, water circulating pump 12 can be set.Illuminating lamp is set, can set and show the time of every task of illuminating lamp；Exhaust blower is set, air force can be set, and air quantity setting can be remembered, it is not necessary to starts all set every time；Water circulating pump 12 is set, can equally set the time service time of every task, and lighting voltage and power voltage can be shown, when finding the abnormal environmental factor of vent cabinet appearance occur, can quickly be remedied.
In addition, the control circuit of the explosion-proof wet dedusting vent cabinet, being provided with multilayer power supply includes switch, total power switch QFO, and diversity switch QF1, QF2, QF3, the also setting of KM1, KM2 contact-making switch so that circuit integrally has extraordinary handling and security, it is ensured that the security of laboratory electricity consumption.
Illuminating lamp is additionally provided with vent cabinet, the illuminating lamp is controlled by main control chip；The illuminating lamp also electrically connects with AC power, and the second AC power provides the electric energy needed for illuminating lamp work, is additionally provided with blower fan illumination control panel 20 on the cabinet, can adjust illumination condition；Second AC power of illuminating lamp work energy is 220V AC powers, need not so switch over Power convert, it is only necessary to is controlled by power supply of the main control chip to illuminating lamp.
In order to flexibly carry out the control of exhaust blower, frequency converter VF is additionally provided between exhaust blower and AC power, frequency converter VF can adjust the air quantity of exhaust blower, the exhaust air rate of exhaust blower can be so adjusted, set according to the actual needs, so that vent cabinet can adapt to different experiment demands, it is more flexible multi-purpose.
Main control chip is PLC chip, PLC chip has reliability height, strong antijamming capability, and perfect in shape and function, the characteristics of strong applicability, and PLC chip is provided with spare interface, when there is connecting fault, or when needing to extend new function, spare interface can be started, it is ensured that to exhaust blower, illuminating lamp, water circulating pump 12 control can be effective, so that it is guaranteed that the safety in laboratory, it is not necessary to the control chip more renewed.
Aqueduct 18 is provided with atomization intake valve 9, sewage blow-down valve 10 from top to bottom, and atomization intake valve 9 can control the working condition of atomizing spray first 5 firmly；Sewage blow-down valve 10 can control discharges water tank by the sewage in circulating box 15.
Sewage filter net 14 is provided with cyclic water tank 15, the recirculated water for absorbing waste gas or grit can be filtered, strengthen the use of the recirculated water in cyclic water tank 15, and be provided with access hole on cyclic water tank 15 cyclic water tank 15, sewage filter net 14 can be checked or changed.
The control panel 8 that the side of tank body 6 is set, for setting the control information of spray equipment, internal control circuit is crossed all to be controlled, reach the purpose of regulation atomizing spray first 5, this is the control mode that soft setting is carried out to spray system, plus the control of atomization intake valve 9, the reliability of spray equipment work is improved, can be controlled when emergency occurs with more convenient.
Air inlet 19 is provided with bar shaped vent, and the right side of the air inlet 19 is additionally provided with blast regulation valve 22, can adjust the open area of bar shaped vent, so as to reach the function of regulation wind speed.
Gas cock 17 is provided with wind conveying pipe road 26 and controls the air valve 16 of gas cock 17.
Cabinet 1 also includes operating desk 23, and the middle part of operating desk 23 is provided with balance table 24, and the top surface of the balance table 24 is embedded in the table top of operating desk 23.
The top left hand of cyclic water tank 15 is provided with water inlet 13, the water inside cyclic water tank can be supplemented with connecting water pipe, or changes the water for dust removal in cyclic water tank.
Claims (10)
1. a kind of explosion-proof wet dedusting vent cabinet, include the cabinet of vent cabinet（1）, it is characterised in that：Also include being arranged at cabinet（1）The waste gas purification apparatus of side（2）Be arranged at waste gas purification apparatus（2）On control board；
The waste gas purification apparatus（2）Including tank body（6）, it is arranged at tank body（6）The gas-liquid separator of inner upper（4）, the gas-liquid separator（4）Lower section be provided with atomizing spray head（5）, the atomizing spray head（5）Pass through aqueduct（18）With being arranged at tank body（6）The water circulating pump of lower right（12）Connection, the water circulating pump（12）Also with being arranged at tank body（6）The cyclic water tank of lower section（15）Connection, and tank body（6）Bottom and cyclic water tank（15）Upper end connects, the tank body（6）Top be provided with exhaust outlet（3）, the exhaust outlet（3）It is connected with the exhaust blower of distal end by exhaust duct, the tank body（6）Lower section also side be provided with air inlet（11）, the air inlet（11）Pass through wind conveying pipe road（26）With the air inlet being arranged on vent cabinet（19）Connection；
Main control chip is provided with the control board, the main control chip is with being arranged at tank body（6）The control panel of side（8）Electrical connection, pass through control panel for receiving（8）The control information of input, the control panel（8）Also with water circulating pump（12）With air draft mechatronics, for water circulating pump（12）It is controlled with exhaust blower, the main control chip, control panel（8）Also electrically connected with dc source, the dc source provides control panel（8）, main control chip work needed for electric energy, the water circulating pump（12）Exhaust blower is electrically connected with AC power, and the AC power provides water circulating pump（12）, exhaust blower work needed for electric energy；The main control chip also main control chip is also electrically connected with safety detection module, and for being detected to the working environment of vent cabinet, the safety detection module includes flame detection, Smoke Detection, water level detecting, pressure survey detection and safety switch.
2. the control circuit of explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：Illuminating lamp is additionally provided with the vent cabinet, the illuminating lamp is controlled by main control chip；The illuminating lamp also electrically connects with AC power, and the second AC power provides the electric energy needed for illuminating lamp work, and blower fan illumination control panel is additionally provided with the cabinet（20）, illumination condition can be adjusted, there is provided the second AC power of the illuminating lamp work energy is 220V AC powers.
3. the control circuit of explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：Frequency converter VF is additionally provided between the exhaust blower and AC power, for controlling the air quantity of exhaust blower.
A kind of 4. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The aqueduct（18）Atomization intake valve is provided with from top to bottom（9）, sewage blow-down valve（10）.
A kind of 5. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The cyclic water tank（15）Inside it is provided with sewage filter net（14）.
A kind of 6. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The air inlet（19）It is provided with bar shaped vent, the air inlet（19）Right side be additionally provided with blast regulation valve（22）.
A kind of 7. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The wind conveying pipe road（26）On be provided with gas cock（17）And control gas cock（17）Air valve（16）.
A kind of 8. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The cabinet（1）Also include operating desk（23）, the operating desk（23）Middle part is provided with balance table（24）, the balance table（24）Top surface be embedded in operating desk（23）Table top.
A kind of 9. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The cyclic water tank（15）Top left hand is provided with water inlet（13）.
A kind of 10. explosion-proof wet dedusting vent cabinet as claimed in claim 1, it is characterised in that：The AC power is 380V AC powers, and the dc source is AC-DC conversion module, for 220V AC powers to be converted into 24V dc sources.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461498.0A CN107537839A (en) | 2016-06-23 | 2016-06-23 | A kind of explosion-proof wet dedusting vent cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610461498.0A CN107537839A (en) | 2016-06-23 | 2016-06-23 | A kind of explosion-proof wet dedusting vent cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107537839A true CN107537839A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610461498.0A Pending CN107537839A (en) | 2016-06-23 | 2016-06-23 | A kind of explosion-proof wet dedusting vent cabinet |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130004390A1 (en) * | 2010-01-13 | 2013-01-03 | Metall + Plastic Gmbh | Decontamination arrangement and method |
| CN202942776U (en) * | 2012-11-23 | 2013-05-22 | 宜兴市华渝涂装设备有限公司 | Blocking-free salt mist dedusting equipment |
| CN104858198A (en) * | 2015-04-15 | 2015-08-26 | 广州市泛美实业有限公司 | Safe and energy-saving perchloric acid fume hood |
| CN204816070U (en) * | 2015-07-02 | 2015-12-02 | 王钰乔 | Multi -functional ambient air , Sewage cycle dust removal filter equipment |
| CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
-
2016
- 2016-06-23 CN CN201610461498.0A patent/CN107537839A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130004390A1 (en) * | 2010-01-13 | 2013-01-03 | Metall + Plastic Gmbh | Decontamination arrangement and method |
| CN202942776U (en) * | 2012-11-23 | 2013-05-22 | 宜兴市华渝涂装设备有限公司 | Blocking-free salt mist dedusting equipment |
| CN104858198A (en) * | 2015-04-15 | 2015-08-26 | 广州市泛美实业有限公司 | Safe and energy-saving perchloric acid fume hood |
| CN204816070U (en) * | 2015-07-02 | 2015-12-02 | 王钰乔 | Multi -functional ambient air , Sewage cycle dust removal filter equipment |
| CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
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Application publication date: 20180105 |