CN212039650U

CN212039650U - Dust removal purification equipment of waste gas

Info

Publication number: CN212039650U
Application number: CN202020282134.8U
Authority: CN
Inventors: 杨献卫
Original assignee: Zhuhai Huayi Electronic Technology Co Ltd
Current assignee: Zhuhai Huayi Electronic Technology Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-12-01
Anticipated expiration: 2030-03-09

Abstract

The utility model provides a dust removal purification equipment of waste gas, including a jar body, admission valve, combination formula heat exchanger, combination formula cyclone, ash bucket, draught fan, wet dust collector, combination formula filter dust collector, air outlet valve, reflux valve, back flow, support, damping support, gaseous detection device, outlet flange. This dust removal purification device can cool down and the dust removal of a plurality of steps filters high temperature waste gas, guarantee that device dust removal work can effectual completion smoothly, adopt combination formula dust collecting equipment to improve the intensity of removing dust high temperature waste gas and detect the gas after removing dust through gaseous detection device, guarantee the security and the feature of environmental protection of device gas emission, equipment is simple easy to operate, degree of automation is high, and simultaneously, equipment can be convenient for remove and install, and production efficiency is high, and continuous operation ability is strong, and is safe environmental protection again.

Description

Dust removal purification equipment of waste gas

Technical Field

The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to dust removal purification equipment of waste gas.

Background

The existing waste gas dust removal technology mainly adopts a cyclone separation technology, but has large equipment investment, high operation cost and poor dust removal effect; in addition, the technology is influenced by the treatment capacity of the device, the fluctuation of the dust removal effect is large, the maintenance cost of the waste gas turbine is increased, the service life is shortened, the safety and the environmental protection of the gas emission of the device cannot be ensured, the production efficiency of the device is low, and the continuous working capacity is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned problem and not enough that exist in current device and the equipment, the utility model aims to provide a dust removal purification equipment of waste gas, can cool down and the dust removal of a plurality of steps filters high temperature waste gas, guarantee that device dust removal work can effectual completion smoothly, adopt combination formula dust collecting equipment to improve the intensity of removing dust high temperature waste gas and detect the gas after removing dust through gaseous detection device, guarantee the security and the feature of environmental protection of device gas emission, equipment is simple easy to operate, degree of automation is high, and simultaneously, equipment can be convenient for remove and install, and high production efficiency, continuous operation ability is strong, and is safe environmental protection again.

In order to achieve the purpose, the utility model provides a waste gas dedusting and purifying device, which comprises a tank body, an air inlet valve, a combined heat exchanger, a combined cyclone dust collector, an ash bucket, a draught fan, a wet dust collector, a combined filtering and dedusting device, an air outlet valve, a reflux pipe, a bracket, a damping support, a gas detection device and an outlet flange; the bottom of the tank body is provided with the air inlet valve, the air inlet valve is connected with the combined heat exchanger through a pipeline, the combined heat exchanger is connected with the combined cyclone dust collector, the bottom of the combined cyclone dust collector is provided with the ash bucket, the combined cyclone dust collector is connected with the wet dust collector through an induced draft fan, the wet dust collector consists of an air jet valve, a screen plate, a water spray valve, an air-water separator, a filter screen and a water tank, the pipeline at the bottom of the wet dust collector is provided with the air jet valve, the inside of the wet dust collector is provided with the screen plate, the screen plate is provided with the water spray valve, the water spray valve is connected with the water tank through a pipeline and a water pump, the water tank is arranged at the bottom of the wet dust collector, the water tank is connected with the wet dust collector through the filter screen, and, the gas-water separator is connected with the combined filtering and dust removing device through a pipeline;

the combined filtering and dust removing device is composed of a foam nickel dust removing box, an electrostatic dust removing box and an active carbon dust removing box, wherein the foam nickel dust removing box is connected with the electrostatic dust removing box, the electrostatic dust removing box is connected with the active carbon dust removing box, the active carbon dust removing box is connected with an air outlet valve through a pipeline, the air outlet valve is connected with a gas detection device, the air outlet valve is also connected with a backflow pipe, the backflow pipe is connected with the combined cyclone dust collector, the top of the tank body is provided with an outlet flange, the tank body is internally provided with a support, and the bottom of the tank body is provided with a vibration reduction support.

Furthermore, an electronic thermometer and a pressure sensor are arranged in the tank body and the combined type cyclone dust collector, so that the temperature and the pressure in the tank body and the combined type cyclone dust collector can be monitored in real time.

Furthermore, a waste gas flow detector and a pressure control valve are arranged in the middle of the tank body pressure pipeline, so that the waste gas flow and the pressure of the tank body pressure pipeline can be monitored in real time, and the working stability is ensured.

Furthermore, the outer side of the tank body is provided with symmetrically distributed lifting lugs, so that the position of the device can be conveniently moved, adjusted and hoisted.

Further, gaseous detection device comprises thermodetector, dust detector, online chromatographic analyzer, can detect the gas after the dust removal, guarantees gas emission's security and feature of environmental protection.

Further, high temperature waste gas walks the tube side in the combination formula heat exchanger, and the shell side is walked to the cooling water, can carry out more effective cooling to high temperature waste gas, prevents to cause the damage to the device, guarantees that work goes on in order.

Furthermore, a controller electrically connected with the gas outlet valve and the backflow valve is arranged in the gas detection device, when the gas detection device detects that gas is unqualified, the gas outlet valve can be effectively controlled to be closed, and the backflow valve is opened.

Furthermore, foam nickel dust removal case electrostatic precipitator case with the active carbon dust removal case is detachable, can change and adjust the part in the box, guarantees dust removal effect.

Further, the filter screen includes one or more RFID tags that set up on the filter screen, the internal surface of jar body sets up one or more RFID identification circuit, and the position sensing of one or more RFID identification circuit is the position of one or more RFID tags. Along with the continuous use of filter screen, its purifying effect progressively descends, reaches certain deadline and loses purifying effect even, through the tracking to RFID use ageing, calculates the live time of filter screen, reminds the user to change the filter screen due to maturity to guarantee air purification's effect.

Compared with the prior art, the utility model discloses the beneficial effect who produces does: can cool down and the dust removal of a plurality of steps filters high temperature waste gas, guarantee that device dust removal work can effectual completion smoothly, adopt combination formula dust collecting equipment to improve the intensity of removing dust to high temperature waste gas and detect the gas after removing dust through gas detection device, guarantee the security and the feature of environmental protection of device gas emission, equipment is simple easy to operate, degree of automation is high, simultaneously, equipment can be convenient for remove and install, production efficiency is high, continuous operation can the reinforce, safety is the environmental protection again.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an apparatus for dedusting and purifying exhaust gas according to the present invention;

wherein, 1, a tank body; 2. an intake valve; 3. a combined heat exchanger; 4. a combined cyclone dust collector; 5. an ash hopper; 6. an induced draft fan; 7. a wet dust collector; 8. an air blast valve; 9. a screen plate; 10. a water spray valve; 11. a gas-water separator; 12. filtering with a screen; 13. a water tank; 14. a foam nickel dust removal box; 15. an electrostatic dust removal box; 16. an active carbon dust removal box; 17. an air outlet valve; 18. a reflux valve; 19. a return pipe; 20. a support; 21. a vibration damping support; 22. a gas detection device; 23. an outlet flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and specific embodiments of the present invention will be described with reference to the accompanying drawings.

Fig. 1 shows a dedusting and purifying apparatus for waste gas, which comprises a tank 1, an air inlet valve 2, a combined heat exchanger 3, a combined cyclone dust collector 4, an ash bucket 5, an induced draft fan 6, a wet dust collector 7, a combined filtering and dedusting device, an air outlet valve 17, a reflux valve 18, a reflux pipe 19, a bracket 20, a vibration damping support 21, a gas detection device 22 and an outlet flange 23; the jar body 1 bottom is provided with admission valve 2, admission valve 2 through the pipeline with combination formula heat exchanger 3 is connected, combination formula heat exchanger 3 with combination formula cyclone 4 is connected, combination formula cyclone 4 bottom is provided with ash bucket 5, combination formula cyclone 4 through draught fan 6 with wet dust collector 7 is connected, wet dust collector 7 comprises air blast valve 8, otter board 9, spray valve 10, deareator 11, filter screen 12, basin 13, be provided with on the pipeline of wet dust collector 7 bottom air blast valve 8, the inside otter board 9 that is provided with of wet dust collector 7, be provided with on the otter board 9 spray valve 10, spray valve 10 through pipeline and water pump with basin 13 is connected, basin 13 sets up wet dust collector 7 bottom, basin 13 with wet dust collector 7 passes through filter screen 12 is connected, the top of the wet dust collector 7 is provided with the gas-water separator 11, and the gas-water separator 11 is connected with the combined filtering dust removal device through a pipeline;

the combined type filtering and dust removing device is composed of a foam nickel dust removing box 14, an electrostatic dust removing box 15 and an active carbon dust removing box 16, the foam nickel dust removing box 14 is connected with the electrostatic dust removing box 15, the electrostatic dust removing box 15 is connected with the active carbon dust removing box 16, the active carbon dust removing box 16 is connected with an air outlet valve 17 through a pipeline, the air outlet valve 17 is connected with a gas detection device 22, the air outlet valve 17 is also provided with a return valve 18, a return pipe 19 is connected with a combined type cyclone dust collector 4, the top of the tank body 1 is provided with an outlet flange 23, the tank body 1 is internally provided with a support 20, and the bottom of the tank body 1 is provided with a vibration reduction support 21.

An electronic thermometer and a pressure sensor are arranged in the tank body 1 and the combined type cyclone dust collector 4, so that the temperature and the pressure in the tank body 1 and the combined type cyclone dust collector 4 can be monitored in real time.

A waste gas flow detector and a pressure control valve are arranged in the middle of the pressure pipeline in the tank body 1, so that the waste gas flow and the pressure of the pressure pipeline in the tank body 1 can be monitored in real time, and the working stability is ensured.

The lifting lugs which are symmetrically distributed are arranged on the outer side of the tank body 1, so that the position of the device can be conveniently moved, adjusted and hoisted.

The gas detection device 22 is composed of a temperature detector, a dust detector and an online chromatographic analyzer, and can detect the gas after dust removal, so that the safety and the environmental protection of gas emission are ensured.

High temperature waste gas walks the tube side in the combination formula heat exchanger 3, and the shell side is walked to the cooling water, can carry out more effectual cooling to high temperature waste gas, prevents to cause the damage to the device, guarantees that work goes on in order.

The gas detection device 22 is internally provided with a controller which is electrically connected with the gas outlet valve 17 and the return valve 18, when the gas detection device 22 detects that gas is unqualified, the gas outlet valve 17 can be effectively controlled to be closed, and the return valve 18 is opened.

Foam nickel dust removal case 14 electrostatic precipitator case 15 with active carbon dust removal case 16 is detachable, can change and adjust the part in the box, guarantees dust removal effect.

The filter screen 12 comprises one or more RFID tags arranged on the filter screen 12, one or more RFID identification circuits are arranged on the inner surface of the tank body 1, and the positions of the one or more RFID identification circuits sense the positions of the one or more RFID tags. Along with the continuous use of filter screen, its purifying effect progressively descends, reaches certain deadline and loses purifying effect even, through the tracking to RFID use ageing, calculates the live time of filter screen, reminds the user to change the filter screen due to maturity to guarantee air purification's effect.

The utility model discloses working method or theory of operation: after the tank body 1 is hoisted and installed, high-temperature waste gas enters the combined heat exchanger 3 from the air inlet valve 2 through a pipeline for cooling treatment, the cooled waste gas enters the combined cyclone dust collector 4 through a pressure pipeline to separate dust from gas by means of centrifugal force, the dust is collected through the ash hopper 5 at the bottom of the combined cyclone dust collector 4, the waste gas with a small amount of fine dust discharged from the upper part of the combined cyclone dust collector 4 enters the wet dust collector 7 through the induced draft fan 6, the waste gas is sprayed out from the air spraying valve 8 connected with the pipeline at the bottom of the wet dust collector 7, the water spraying valve 10 arranged on the screen plate 9 sprays fog water to the waste gas, partial impurities in the waste gas can be removed, the waste water with the impurities is filtered and purified by the filter screen 12 and then enters the water tank 13, the water in the water tank 13 can be recycled by the water spraying valve 10 through the pipeline and the water pump, and the gas after water spraying removes, the gas enters the combined filtering and dedusting device from the pressure pipeline, further dedusting, impurity removal and peculiar smell removal are carried out on the gas sequentially through the foam nickel dedusting box 14, the electrostatic dedusting box 15 and the active carbon dedusting box 16, so that the gas is cleaner and more environment-friendly, and finally the gas enters the gas detection device 22 through the gas outlet valve 17 for gas detection, and is discharged or stored through the outlet flange 23 after being detected to be qualified;

when gas enters the gas detection device 22 through the gas outlet valve 17 and is unqualified in gas detection, the return valve 18 is opened, the gas outlet valve 17 is closed, and the gas returns to the combined cyclone dust collector 4 through the return pipe 19 for secondary dust removal and filtration.

The utility model discloses can cool down and the dust removal of a plurality of steps filters high temperature waste gas, guarantee that device dust removal work can effectual completion smoothly, adopt combination formula dust collecting equipment to improve the intensity of removing dust to high temperature waste gas and detect through the gas after gaseous detection device removes dust, guarantee the security and the feature of environmental protection of device gas emission, equipment is simple easy to operate, degree of automation is high, and simultaneously, equipment can be convenient for remove and install, and production efficiency is high, and continuous operation ability is strong, and is safe environmental protection again.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a dust removal purification equipment of waste gas which characterized in that: the device comprises a tank body, an air inlet valve, a combined heat exchanger, a combined cyclone dust collector, an ash bucket, an induced draft fan, a wet dust collector, a combined filtering and dust removing device, an air outlet valve, a reflux pipe, a bracket, a vibration damping support, a gas detection device and an outlet flange; the bottom of the tank body is provided with the air inlet valve, the air inlet valve is connected with the combined heat exchanger through a pipeline, the combined heat exchanger is connected with the combined cyclone dust collector, the bottom of the combined cyclone dust collector is provided with the ash bucket, the combined cyclone dust collector is connected with the wet dust collector through an induced draft fan, the wet dust collector consists of an air jet valve, a screen plate, a water spray valve, an air-water separator, a filter screen and a water tank, the pipeline at the bottom of the wet dust collector is provided with the air jet valve, the inside of the wet dust collector is provided with the screen plate, the screen plate is provided with the water spray valve, the water spray valve is connected with the water tank through a pipeline and a water pump, the water tank is arranged at the bottom of the wet dust collector, the water tank is connected with the wet dust collector through the filter screen, and, the gas-water separator is connected with the combined filtering and dust removing device through a pipeline;

2. The apparatus for dedusting-and-purifying exhaust gas as set forth in claim 1, wherein an electronic thermometer and a pressure sensor are provided in the canister body and the combined cyclone.

3. The apparatus for dedusting and purifying exhaust gas as set forth in claim 1, wherein an exhaust gas flow rate detector and a pressure control valve are provided in the middle of the tank pressure pipe.

4. The apparatus for dedusting and purifying exhaust gas as set forth in claim 1, wherein symmetrically distributed lifting lugs are disposed outside the tank body.

5. The apparatus for dedusting and purifying exhaust gas as set forth in claim 1, wherein the gas detecting device is composed of a temperature detector, a dust detector, and an on-line chromatograph.

6. The apparatus for dedusting and purifying flue gas as set forth in claim 1, wherein the high-temperature flue gas in the combined heat exchanger is conducted through a tube side and the cooling water is conducted through a shell side.

7. The apparatus for dedusting and purifying exhaust gas as recited in claim 1, wherein a controller electrically connected to the gas outlet valve and the return valve is disposed in the gas detection device.

8. The apparatus for dedusting and purifying exhaust gas as claimed in claim 1, wherein the foam nickel dedusting box, the electrostatic dedusting box and the activated carbon dedusting box are all detachable.

9. The apparatus of claim 1, wherein the screen comprises one or more RFID tags disposed on the screen, the inner surface of the tank body is provided with one or more RFID identification circuits, and the positions of the one or more RFID identification circuits sense the positions of the one or more RFID tags.