A kind of explosion-proof wet dedusting ventilated chamber
Technical field
This utility model belongs to laboratory equlpment technical field, and in particular to a kind of explosion-proof wet dedusting ventilated chamber.
Background technology
Ventilated chamber is an indispensable ingredient in laboratory ventilation design.In order that laboratory worker is not
Suction or swallow should have good in the not clear chemical substance of some poisonous, can causing a disease or toxicity and organism, laboratory
Ventilation.For preventing the absorption of some steams, gas and microgranule (smog, coal smoke, dust and aerosol), polluter from using ventilation
The method of cabinet, ventilator cowling or local ventilation is removed.
Existing ventilated chamber design structure is fairly simple, is typically provided with vent, connects vent by air exhauster,
Carry out convulsion and reach the indoor harmful gass of discharge experiment, steam, the purpose of microgranule (smog, coal smoke, dust and aerosol), but
It is so pollution that can cause air, that is, existing ventilated chamber cannot be purified to the waste gas for discharging, and environment is endangered
Evil is larger.And existing ventilated chamber is less to the environmental factorss detection around ventilated chamber, it is impossible to automatic according to the change of environment
The ventilation state of ventilated chamber, security situation are detected, this safety to laboratory is also very unfavorable, easily causes unexpected thing
Therefore.
Content of the invention
The purpose of this utility model is to overcome dust removal cabinet discharge exhaust emission environment, larger to environmental hazard and cannot
Detection ventilated chamber surrounding, the accident of can't detect occur and take the problem of counter-measure.
For this purpose, this utility model provides a kind of explosion-proof wet dedusting ventilated chamber, including the cabinet of ventilated chamber, cabinet is arranged at
The waste gas purification apparatus of body 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
Be provided with atomizing spray head, the atomizing spray head by aqueduct and be arranged at tank body lower right water circulating pump connect
Connect, water circulating pump is also connected with the cyclic water tank being arranged at below tank body, and the bottom of tank body connected with cyclic water tank upper end,
The top of tank body is provided with air vent, and the air vent is connected by exhaust duct with the exhaust blower of distal end, on rear side of the lower section of tank body
Face is provided with air inlet, and the air inlet is connected with the air inlet being arranged on ventilated chamber by wind conveying pipe road;
Main control chip is provided with control board, and main control chip is electrically connected with the control panel for being arranged at tank body side,
For receiving the control information that is input into by control panel, control panel also with water circulating pump and air draft mechatronics, for right
Water circulating pump and exhaust blower are controlled, and the main control chip, control panel are also electrically connected with DC source, and the DC source is carried
For the electric energy needed for control panel, main control chip work, the water circulating pump exhaust blower is electrically connected with alternating current power supply, the alternating current
Source provides the electric energy needed for water circulating pump, exhaust blower work;The main control chip is also electrically connected with safety detection module, for right
The working environment of ventilated chamber is detected that the safety detection module includes that flame detection, Smoke Detection, water level detecting, pressure survey inspection
Survey and safety switch.
Illuminating lamp is additionally provided with ventilated chamber, the illuminating lamp is controlled by main control chip;The illuminating lamp also with
Alternating current power supply is electrically connected, and the second alternating current power supply provides the electric energy needed for illuminating lamp work, is additionally provided with blower fan photograph on the cabinet
Bright control panel, can adjust illumination condition, there is provided the second alternating current power supply of the illuminating lamp work energy is 220V alternating currents
Source.
Converter VF is additionally provided between exhaust blower and alternating current power supply, 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, is additionally provided with blast regulation valve on the right side of the air inlet.
The air valve of gas Calco and control gas Calco is provided with wind conveying pipe road.
Cabinet also includes operating board, is provided with balance table in the middle part of the operating board, and the top surface of the balance table is embedded in operation
The table top of platform.
Cyclic water tank top left hand is provided with water inlet.
Alternating current power supply is 380V alternating current power supplys, and the DC source is AC-DC conversion module, for by 220V alternating current power supplys
Be converted to 24V DC sources.
The beneficial effects of the utility model:This explosion-proof wet dedusting ventilated chamber that this utility model is provided, is provided with useless
Waste gas in laboratory can be purified by air purifying apparatus, then extracts laboratory out by air exhauster, can not only purify
The harmful substances such as the waste gas of laboratory, steam, gas, microgranule, smog, coal smoke, dust, aerosol, prevent which from discharging laboratory
Contaminated air, and the air quality of the effective cleaning laboratory of energy, and safety detection module is provided with, reality can be detected
The voltage status of flame, smoke condition, water position status and the circuit of room are tested, and are taken appropriate measures according to these signals,
Power supply, the working condition of the process of waste gas of ventilated chamber is automatically adjusted, this has guarantor well for the healthy of experimenter
Shield is acted on, and has purified the waste gas of laboratory, it is also possible to avoid impact of the waste gas to some experimental facilitiess or experiment effect, and this is prevented
Quick-fried wet dedusting ventilated chamber, is additionally provided with balance table, the function with support, damping.
This utility model is described in further details below with reference to accompanying drawing.
Description of the drawings
Fig. 1 is explosion-proof wet dedusting ventilated chamber 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 ventilated chamber.
Fig. 5 is the control circuit schematic diagram of explosion-proof wet dedusting ventilated chamber.
Fig. 6 is operator control panel interface schematic diagram.
In figure:1st, cabinet;2nd, waste gas purification apparatus;3rd, air vent;4 gas-liquid separators;5th, atomizing spray head;6th, tank body;
7th, housing;8th, control panel;9th, intake valve is atomized;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 Calco;18th, aqueduct groove;19th, air inlet;20th, wind
Machine illumination control panel;21st, flame-proof switch;22nd, blast regulation valve;23rd, operating board;24th, balance table;25th, Explosionproof socket;26、
Wind conveying pipe road.
Specific embodiment
Technological means and effect that predetermined purpose is taken is reached for this utility model is expanded on further, below in conjunction with accompanying drawing
And embodiment is to specific embodiment of the present utility model, architectural feature and its effect, describe in detail as follows.
Embodiment 1:
In order to overcome dust removal cabinet discharge exhaust emission environment, larger to environmental hazard and ring around ventilated chamber cannot be detected
Border, the accident of can't detect occur and take the problem of counter-measure, present embodiments provide a kind of explosion-proof wet method as described in Figure 1
Dedusting ventilated chamber, including the cabinet 1 of ventilated chamber, is arranged at the waste gas purification apparatus 2 of 1 side of cabinet and is arranged at waste gas purification dress
Put the control board on 2;
As shown in Figure 2 and Figure 3, waste gas purification apparatus 2 includes tank body 6, is arranged at the gas-liquid separator of 6 inner upper of tank body
4, the lower section of gas-liquid separator 4 is provided with atomizing spray head 5, and the atomizing spray head 5 by aqueduct 18 and is arranged at tank
The water circulating pump 12 of 6 lower right of body connects, and the water circulating pump 12 is also connected with the cyclic water tank 15 being arranged at below tank body 6
Connect, and the bottom of tank body 6 connected with 15 upper end of cyclic water tank, the top of tank body 6 is provided with air vent 3, the air vent 3 with remote
The exhaust blower at end is connected by exhaust duct, and the lower section trailing flank of tank body 6 is provided with air inlet 11, and the air inlet 11 passes through defeated wind
Pipeline 26 is connected with the air inlet 19 being arranged on ventilated chamber;
As shown in Figure 4, Figure 5, be provided with main control chip in the control board, the main control chip be arranged at tank body
The control panel 8 of 6 sides is electrically connected, for receiving the control information being input into 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, chain of command
Plate 8 is also electrically connected with DC source, and the DC source provides the electric energy needed for the work of control panel 8, main control chip, described is followed
12 exhaust blower of ring water pump is electrically connected with alternating current power supply, and the alternating current power supply provides the electric energy needed for the work of water circulating pump 12, exhaust blower;
Alternating current power supply is 380V alternating current power supplys, and the DC source is AC-DC conversion module, for being converted to 220V alternating current power supplys
24V DC sources, the DC source provide the electric energy needed for operator control panel, main control chip work, the water circulating pump 12, exhaust blower
It is electrically connected with alternating current power supply.
Main control chip is also electrically connected with safety detection module, for detecting to the working environment of ventilated chamber, the safety
Detection module includes that flame detection, Smoke Detection, water level detecting, pressure survey detection and safety switch.When detecting ventilated chamber institute
There is abnormal detection parameter in the environment at place, surveys detection according to the flame detection, Smoke Detection, water level detecting, pressure that detect
Different information, main control chip control power supply, exhaust blower, water circulating pump 12 take corresponding emergency measure, it is ensured that laboratory and reality
Test the safety of personnel.
As shown in fig. 6, for the operation interface of control panel 8, can set to illuminating lamp, exhaust blower, water circulating pump 12
Fixed.Illuminating lamp is set, the time of every task of illuminating lamp can be arranged and show;Exhaust blower is set,
Air force can be set, and air quantity setting can be remembered, it is not necessary to start every time and all set;Water circulating pump 12 is entered
Row sets, and can equally set the time service time of every task, and can show lighting voltage and power voltage, when
It was found that ventilated chamber occur abnormal environmental factorss occurs, quickly can be remedied.
In addition, the control circuit of the explosion-proof wet dedusting ventilated chamber, being provided with multilamellar power supply includes switching, main power
Switch QFO, and diversity switch QF1, QF2, QF3, the also setting of KM1, KM2 contact switch so that circuit integrally has non-
Often good handling and safety, it is ensured that the safety of laboratory electricity consumption.
Illuminating lamp is additionally provided with ventilated chamber, the illuminating lamp is controlled by main control chip;The illuminating lamp also with
Alternating current power supply is electrically connected, and the second alternating current power supply provides the electric energy needed for illuminating lamp work, is additionally provided with blower fan photograph on the cabinet
Bright control panel 20, can adjust illumination condition;Second alternating current power supply of illuminating lamp work energy is 220V alternating current power supplys, so
Power convert need not be switched over, it is only necessary to the power supply of illuminating lamp is controlled by main control chip.
In order to flexibly carry out the control of exhaust blower, converter VF, converter between exhaust blower and alternating current power supply, is additionally provided with
VF can adjust the air quantity of exhaust blower, so can adjust, set the exhaust air rate of exhaust blower according to the actual needs so that ventilation
Cabinet can adapt to different experiment demands, more flexible multi-purpose.
Main control chip is PLC chip, and PLC chip has reliability height, strong antijamming capability, and perfect in shape and function, applicable
The characteristics of property is strong, and PLC chip is provided with spare interface, when there is connecting fault, or needs to extend new work(
Can when, spare interface can be started, it is ensured that to exhaust blower, illuminating lamp, water circulating pump 12 control can be effective, so as to true
Protect the safety of laboratory, it is not necessary to the control chip for more renewing.
Aqueduct 18 is provided with atomization intake valve 9, sewage blow-down valve 10 from top to bottom, and atomization intake valve 9 can be controlled firmly
The working condition of atomizing spray head 5 processed;Sewage blow-down valve 10 can control for the sewage in circulating box 15 to discharge water tank.
Sewage filter net 14 is provided with cyclic water tank 15, the recirculated water for absorbing waste gas or grit can be carried out
Filter, strengthen cyclic water tank 15 in recirculated water use, and be provided with access hole on cyclic water tank 15 can be to cyclic water tank
15th, sewage filter net 14 is checked or is changed.
The control panel 8 that the side of tank body 6 is arranged, for setting the control information of spray equipment, crosses internal control all
Circuit is controlled, and reaches the purpose for adjusting atomizing spray head 5, and this is the control mode for carrying out soft setting to spray system, plus
The control of upper atomization intake valve 9, improves the reliability of spray equipment work, can be more square when there is emergency
Just efficiently it is controlled.
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 be with
The open area of bar shaped vent is adjusted, so as to reach the function of adjusting wind speed.
The air valve 16 of gas Calco 17 and control gas Calco 17 is provided with wind conveying pipe road 26.
Cabinet 1 also includes operating board 23, is provided with balance table 24 in the middle part of the operating board 23, the top surface edge of the balance table 24
It is embedded in the table top of operating board 23.
15 top left hand of cyclic water tank is provided with water inlet 13, the water inside cyclic water tank can be mended with connecting water pipe
Fill, or change the water for dust removal in cyclic water tank.