CN217795271U

CN217795271U - Novel venturi wet dust collector

Info

Publication number: CN217795271U
Application number: CN202221342721.7U
Authority: CN
Inventors: 杨刚
Original assignee: Kunshan Kronez Environmental Protection Technology Co ltd
Current assignee: Kunshan Kronez Environmental Protection Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-15
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a novel venturi wet dust collector, which comprises a dust collector body, wherein the dust collector body consists of a lower box body and an upper box body which is arranged on the lower box body and is communicated with the lower box body, the top of the upper box body is provided with a gas detector for detecting the hydrogen concentration in the dust collector body, one side of the upper box body is provided with a pneumatic gate valve, and the pneumatic gate valve is externally connected with a gas pipeline; the bottom of the lower box body is provided with a sewage discharge valve, and the outer side of the sewage discharge valve is provided with a timing sewage discharge mechanism for controlling the sewage discharge valve to discharge sewage at regular time. The utility model discloses in can trigger gaseous detector when the hydrogen of the inside surrounding environment of dust remover is surplus, open by PLC control module control pneumatic gate valve, discharge unnecessary hydrogen, if hydrogen concentration is too much can trigger gaseous detector equally when the fan stall, the valve can be forced to be opened, avoids producing the unstable factor because of hydrogen is too much, and the dust remover can replace artifical manual blowdown according to customer's time demand regularly blowdown.

Description

Novel venturi wet dust collector

Technical Field

The utility model relates to a venturi wet dust collector technical field, especially a novel venturi wet dust collector.

Background

Along with the development of modern industrialization, the dust injury all exists more or less in most industrial field, especially in the factory building of polishing of some, the condition that the dust is diffused can appear often, wooden dust matter is light, it can not disperse for a long time to be detained in the air for a long time, and this condition often can last whole working day, not only make the visibility in the factory building reduce, and the dust that floats in the air also can cause the threat to the health of staff under this environment for a long time working, harm is healthy, and tiny dust generally all has certain static, static can influence the normal work of machine, and there is certain potential safety hazard. In order to solve this problem, a venturi scrubber has been developed, which is a device for separating dust particles from gas by washing the dust particles by contacting water with the dust gas and transferring heat.

But to easily water reaction like aluminum alloy, aluminium dust and so on and produce a large amount of hydrogen, hydrogen belongs to a flammable explosive gas, if there is a large amount of hydrogen in the dust remover and not effectively controlled, can have very big potential safety hazard, and dust and water reaction can produce a lot of stains in aqueous, need regularly discharge the stain, otherwise can influence the work efficiency of dust remover, and at present all regularly blow off through artificial mode as required regularly, the untimely condition of blowdown probably appears to influence the filter effect of dust remover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a novel venturi wet dust collector is designed.

The technical scheme of the utility model is that, the novel venturi wet dust collector comprises a dust collector body, the dust collector body comprises a lower box body and an upper box body which is arranged on the lower box body and is communicated with the lower box body, the top of the upper box body is provided with a gas detector for detecting the hydrogen concentration in the dust collector body, one side of the upper box body is provided with a pneumatic gate valve, and the pneumatic gate valve is externally connected with a gas pipeline;

the bottom of box is provided with the blowdown valve down, the outside of blowdown valve is provided with the timing blowdown mechanism who is used for controlling the timing blowdown of blowdown valve, timing blowdown mechanism includes the control main part and installs timer and the manometer in the control main part, detects this internal water pressure of dust remover and reaches the setting value when the manometer, perhaps after the timer reaches the preset time, opening of control main part control blowdown valve.

As a further supplement of the utility model, the side of going up the box is provided with the dust remover import, the top of going up the box is provided with fan and fan export, the fan is installed at the inboard top of last box to face the fan export.

As a further supplement, the outside of dust remover body is provided with water pump, level sensor and flow sensor, the water pump pass through the pipeline with lower box body coupling, level sensor with flow sensor all installs the water pump with on the pipeline between the box down.

As a further supplement, the outside of dust remover body still is provided with PLC control module, PLC control module respectively with level sensor, flow sensor, water pump electric connection.

As a further supplement, a dirt collecting box for collecting dirt is arranged under the dirt discharging valve.

Its beneficial effects lie in, the utility model discloses in when aluminium and water take place to react in the box and produce hydrogen, judge the concentration of hydrogen through gas detection appearance, can trigger gas detection appearance when the hydrogen of surrounding environment is excessive, open by PLC control module control pneumatic gate valve, discharge unnecessary hydrogen, if hydrogen concentration is too much can trigger gas detection appearance equally when the fan stall, the valve can be forced to be opened, avoid producing the unstable factor because of hydrogen is too much, the dust remover can also replace artifical manual blowdown according to customer's time demand regularly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the overall structure at another viewing angle of the present invention.

In the figure, 1, an upper box body; 2. a lower box body; 3. an inlet of a dust remover; 4. a gas detector; 5. a pneumatic gate valve; 6. an outlet of the fan; 7. a fan; 8. a blowdown valve; 9. a water pump; 10. a flow sensor; 11. a liquid level sensor; 12. a PLC control module; 13. a sewage collection tank; 14. a control body; 15. a timer; 16. and a pressure gauge.

Detailed Description

Because metal dust such as aluminum alloy, aluminium dust can produce a large amount of hydrogen when the venturi wet dust collector is inside with the water reaction, and hydrogen belongs to easily fire explosive gas, if the inside hydrogen concentration of dust remover is too high can have very big potential safety hazard, and can deposit inside the dust remover at the filterable in-process spot of dust, need artifical regularly to clear away it, thereby the manual work is clear away and probably is clear away the untimely filter effect who influences the dust remover, consequently in order to solve above-mentioned problem, the utility model provides a novel venturi wet dust collector with regularly pneumatic valve and hydrogen release structure.

It is right to combine the attached drawing below the utility model discloses it is following to describe specifically the utility model discloses it is shown in figure 1, this venturi wet dust collector in the dust remover body comprises two parts, be lower box 2 and last box 1 respectively, lower box 2 is located bottommost and with install last box 1 through connection on box 2 down, form a complete airtight cavity between the two, and be equipped with water in the cavity, be provided with dust remover import 3 in one side of

last box

1, 3 external air inflow pipelines of dust remover import, the air that has the dust gets into dust remover body inside from dust remover import 3 filters, after aluminium dust or aluminum alloy dust and the water reaction in the box produced a large amount of hydrogen, in order to prevent to produce the unstable factor because of hydrogen is too much, be provided with the gas detection appearance 4 who is used for detecting this internal hydrogen concentration of dust remover at the top of last box 1, the one side adjacent with the dust remover export is provided with pneumatic gate valve 5 on going up the box 1, the external gas pipeline of pneumatic gate valve 5, when gas detection appearance 4 detects the internal hydrogen concentration of box and reaches the setting value, otherwise can be too much flammable gas because of hydrogen exists the hidden danger.

Be provided with water pump 9 in the outside of dust remover body, level sensor 11 and flow sensor 10, wherein water pump 9 passes through the pipeline and is connected with lower box 2, level sensor 11 and flow sensor 10 are all installed on the pipeline between water pump 9 and lower box 2, and level sensor 11, flow sensor 10, water pump 9 all with PLC control module 12 electric connection, level sensor 11 is used for detecting this internal liquid level of dust remover, the external water source of water pump 9, and send into the dust remover originally internally with water through the pipeline pump, flow sensor 10 monitors the flow information of water in real time, level sensor 11 and flow sensor 10 feed back information to PLC control module 12 in real time.

The top of the upper box body 1 is provided with a fan 7 and a fan outlet 6, the fan 7 is installed at the top of the inner side of the upper box body 1 and faces the fan outlet 6, the fan 7 can discharge filtered air through the fan outlet 6, when the fan 7 stops rotating, the surplus hydrogen in the dust remover body can trigger the gas detector 4, and the PLC control module 12 controls the pneumatic gate valve 5 to be forcibly opened; the bottom of box 2 is provided with blowoff valve 8 under, the outside of blowoff valve 8 is provided with the timing blowdown mechanism who is used for controlling blowoff valve 8 timing blowdown, wherein timing blowdown mechanism is by control subject 14, timer 15 and manometer 16 triplex, timer 15 and manometer 16 are all installed on control subject 14, detect this internal water pressure of dust remover and reach the setting value when manometer 16, or after timer 15 reached the preset time, control subject 14 can control opening of blowoff valve 8, discharge the dirt automatically to set up in the dirty collection dirt case 13 that is used for collecting the dirt under blowoff valve 8, thereby prevent that the dirt from reaching the filter effect that the dust remover is influenced because of not in time blowdown after the emission standard.

The water level of dirty discharge back dust remover body in can descend, after level sensor 11 detects the water level and descends, can feed back information to PLC control module 12, by this internal water feeding of dust remover of PLC control module 12 control water pump 9, flow sensor 10 real-time supervision water feeding in-process water flow, when level sensor 11 detected the water level and reached the setting value, PLC control module 12 control water pump 9 stopped to send water.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A novel Venturi wet dust collector comprises a dust collector body, wherein the dust collector body consists of a lower box body (2) and an upper box body (1) which is arranged on the lower box body (2) and is communicated with the lower box body, and is characterized in that a gas detector (4) for detecting the concentration of hydrogen in the dust collector body is arranged at the top of the upper box body (1), a pneumatic gate valve (5) is arranged on one side of the upper box body (1), and the pneumatic gate valve (5) is externally connected with a gas pipeline;

the bottom of lower box (2) is provided with blowoff valve (8), the outside of blowoff valve (8) is provided with the timing blowdown mechanism that is used for controlling blowoff valve (8) timing blowdown, timing blowdown mechanism is including control main part (14) and install timer (15) and manometer (16) on control main part (14), detects this internal water pressure of dust remover and reaches the setting value when manometer (16), perhaps after timer (15) reach the preset time, the opening of control main part (14) control blowoff valve (8).

2. A venturi wet scrubber according to claim 1, characterized in that the side of the upper box (1) is provided with a scrubber inlet (3), the top of the upper box (1) is provided with a blower (7) and a blower outlet (6), and the blower (7) is installed on the top of the inner side of the upper box (1) and faces the blower outlet (6).

3. The venturi wet dust collector as claimed in claim 1, wherein a water pump (9), a liquid level sensor (11) and a flow sensor (10) are arranged outside the dust collector body, the water pump (9) is connected with the lower box body (2) through a pipeline, and the liquid level sensor (11) and the flow sensor (10) are both installed on the pipeline between the water pump (9) and the lower box body (2).

4. The novel venturi wet dust collector as claimed in claim 3, wherein a PLC control module (12) is further disposed outside the dust collector body, and the PLC control module (12) is electrically connected to the liquid level sensor (11), the flow sensor (10), the water pump (9) and the pneumatic gate valve (5), respectively.

5. A venturi wet dust collector according to claim 1, wherein a dirt collecting box (13) for collecting dirt is arranged right below the dirt discharging valve (8).