CN215085795U

CN215085795U - Front-end wet-type waste gas purification integrated equipment

Info

Publication number: CN215085795U
Application number: CN202121077668.8U
Authority: CN
Inventors: 游伟志
Original assignee: Beijing Yiwei Innovation Environmental Protection Technology Co ltd
Current assignee: Beijing Yiwei Innovation Environmental Protection Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-10
Anticipated expiration: 2031-05-19

Abstract

The utility model provides an integrative equipment of front end wet-type exhaust-gas purification, including the smoke and fire stove body of wet-type clarification plant reaction box and its rear end, wet-type clarification plant reaction box from the top down has set gradually and has stored up the wind box, has sprayed purifier and return flume, it is internal that purifier stretches into the smoke and fire stove to spray purifier to separate mutually with the internal space of smoke and fire stove through the oil smoke suction plate of top, the one end of storing up the wind box is provided with the oblique tuber pipe that shakes that is connected with the exhaust fan, the below of shaking the tuber pipe to one side is provided with circulating pipe and fish scale net baffle, circulating pipe is connected with spraying purifier after passing fish scale net baffle. The utility model discloses can high-efficiently purify the harmful substance in the oil smoke and reduce oil smoke outlet temperature simultaneously, reduce the emergence of flue conflagration.

Description

Front-end wet-type waste gas purification integrated equipment

Technical Field

The utility model relates to an industrial dedusting, catering oil smoke, particulate matter, non-methane total hydrocarbon purifier especially relate to a integrative equipment of front end wet-type exhaust purification.

Background

At present, the kitchen oil fume purification technologies for practical application include high voltage static electricity, front end mechanical purification, front end wet purification technology and ozone oxidation. After the high-voltage electrostatic purifier operates for a section, oil smoke is carbonized and deposited in the purifier, the purification rate is reduced quickly, the high-voltage electrostatic purifier needs to be maintained and cleaned regularly, and the deposited oil in the purifier and a flue easily causes fire; physical and dynamic of the network disk: by utilizing the characteristic that the mass of the oil smoke and the particulate matters is larger than that of the air, the oil smoke and the particulate matters are separated from the waste gas under the action of gravity, centrifugal force and inertia force through a special structural design, so that the aim of purification is fulfilled. The purifying equipment adopting the mechanical purifying technology has the advantages of simple structure, small pressure drop, low energy consumption and convenient cleaning and maintenance, but the purifying efficiency of the purifying equipment on small-particle-size oil smoke and particles is generally low, and the fireproof safety is poor.

The purifying equipment adopting the front-end wet purifying technology has higher 95% removing efficiency on the oil smoke and particulate matters with smaller particle sizes. In addition, because oil smoke and particulate matters mostly have certain hydrophobicity, various substances such as surfactants, emulsifiers and the like need to be added into the washing liquid, so that the purification and oil-water separation effects of the oil smoke and the particulate matters are greatly improved. The front-end wet-type purification equipment has the technical advantages of simple and convenient daily maintenance and good fireproof performance.

Ozone oxidation utilizes the UV pipe to produce ozone, can oxidize the oil smoke with the intensive mixing collision of oil smoke, and flue length and wind speed all must guarantee the requirement of intensive mixing, just can reach purifying effect. The rays emitted by the UV tube are harmful to human bodies, light leakage must be prevented, the UV tube is in dirty oil accumulation and performance degradation after running for a period of time, and dirty oil is accumulated in a flue and cannot prevent fire.

In the industrial dust removal technology, especially the purification technology of fine smoke particles, the difficulty in purifying particles like welding smoke dust and the like is high, most of the industrial dust removal technology adopts cloth bag dust removal or filter drum dust removal for filtering dust, the wind resistance is high, the energy consumption is high, and the filter material must be maintained and replaced frequently.

SUMMERY OF THE UTILITY MODEL

The utility model provides an integrative equipment of front end wet-type exhaust-gas purification solves the problem of current known purification technique, is applicable to industrial dust removal, food and beverage oil smoke purification treatment, and its technical scheme is as follows:

the utility model provides an integrative equipment of front end wet-type exhaust-gas purification, includes the smoke and fire stove body of wet-type clarification plant reaction box and rear end thereof, wet-type clarification plant reaction box from the top down has set gradually and has stored up the wind box, sprays purifier and wet return, it is internal that purifier stretches into the smoke and fire stove to the oil smoke suction plate through the top separates with the internal space of smoke and fire stove mutually, the one end of storing up the wind box is provided with the oblique tuber pipe that shakes that is connected with the exhaust fan, the below of shaking the tuber pipe to one side is provided with circulating pipe and fish scale net baffle, circulating pipe passes behind the fish scale net baffle and is connected with spraying purifier.

And a water baffle is arranged above the scale grid baffle, and the water baffle limits a circulating water pipe to downwards penetrate through the scale grid baffle from the inner side surface of the air storage box body.

The spray purification device is characterized in that a plurality of uniformly arranged water spray holes are formed in a spray head at the tail end of the spray purification device and used for spraying mist water vapor.

And an air speed adjusting plate is arranged at the water inlet pipe of the spraying and purifying device.

The stainless steel water return port is connected with the lower drainage pipe.

The wet-type purification equipment reaction box is also provided with an upper water connecting port, a lower water discharging valve and a lower water discharging pipe, and the upper water connecting port is used for connecting a water inlet of a circulating water pump; one end of the lower drainage pipe is connected to a drain outlet of the water return tank and is controlled to be on or off by the lower drainage valve.

And the circulating water pump is connected with a water inlet of the circulating water pipe through a spraying connecting pipe.

The pipeline between the water feeding connecting port and the circulating water pump is provided with an automatic water replenishing electromagnetic valve and an automatic water level adjusting probe, the automatic water replenishing electromagnetic valve is used for controlling the on-off of the pipeline, and the automatic water level adjusting probe is used for controlling the on-off of the automatic water replenishing electromagnetic valve and the circulating water pump.

The spraying connecting pipe is characterized by also comprising a liquid medicine box, wherein liquid medicine is added into the spraying connecting pipe from the liquid medicine box.

The front-end wet-type waste gas purification integrated equipment separates oil smoke from air, generates high-speed, high-density and particle-size water mist with a wind speed and a water network to suck and collect oil smoke, steam, smoke and other particles in air flow, the high-speed air flow drives the particles to accelerate, and the purifier separates the oil smoke, the steam and the smoke from the air efficiently and purifies harmful substances in the oil smoke while reducing the temperature of an oil smoke outlet and reducing the occurrence of flue fire under the driving of the wind speed by utilizing the inertia of the particles.

The utility model has the advantages of it is following:

1. the emission and purification rate of the kitchen oil smoke is improved, and the emission of the oil smoke, particles and non-methane total hydrocarbons reaches the standard;

2. the fire hazard in a kitchen operation room and a smoke discharge flue is avoided, and public safety is ensured;

3. and an automatic control system is installed, so that the maintenance cost is reduced, and the logistics food safety management and guarantee capability is improved.

4. The oil fume emission is reduced, the pollution discharge problem is solved, the problem of illegal cooking oil is solved, and the problem of water pollution is solved; the fire risk of the flue is avoided; and the later maintenance cost is low.

Drawings

Fig. 1 is a side view of the front-end wet-type off-gas purification integrated apparatus;

fig. 2 is a front view of the front-end wet-type off-gas purification integrated apparatus;

fig. 3 is a plan view of the front-end wet-type off-gas purification integrated apparatus;

the reference numbers in the figures:

1. the system comprises a water return tank, 2 stainless steel water return ports, 3 wet type purification equipment reaction boxes, 4 smoke stove bodies, 5 spray purification devices, 6 smoke suction plates, 7 fish scale grid baffles, 8 water baffles, 9 circulating water pipes, 10 air storage box bodies, 11 oblique vibration air pipes, 12 air speed adjusting plates, 13 oil-water separation overflow ports, 14 LED moisture-proof lamps, 15 intelligent display starting panels, 16 water feeding connectors, 17 lower water discharge valves, 18 lower water discharge pipes, 19 circulating water pumps, 20 liquid medicine tanks, 21 spray connecting pipes, 22 automatic water replenishing electromagnetic valves and 23 automatic water level adjusting probes.

Detailed Description

As shown in fig. 1 to 3, the integrative equipment of front end wet-type waste gas purification includes wet-type clarification plant reaction box 3 and the smoke and fume stove body 4, wet-type clarification plant reaction box 3 is located the 4 front ends of smoke and fume stove body, wet-type clarification plant reaction box 3 from the top down has set gradually and has stored up bellows 10, has sprayed purifier 5 and return flume 1, it stretches into in the smoke and fume stove body 4 to spray purifier 5 to separate mutually with the 4 inner spaces of smoke and fume stove body through the oil smoke suction plate 6 of top.

One end of the air storage box body 10 is provided with an oblique vibration air pipe 11, and the oblique vibration air pipe 11 is connected with an exhaust fan. A circulating water pipe 9 and a scale grid baffle 7 are arranged below the oblique vibration air pipe 11, the scale grid baffle 7 is provided with an opening for penetrating through the circulating water pipe 9, a water baffle 8 is arranged above the scale grid baffle 7, and the circulating water pipe 9 is limited to penetrate through the scale grid baffle 7 downwards from the inner side surface of the air storage box body 10 by placing the water baffle 8. The water baffle 8 is also provided with grids, and upward airflow passing through the fish scale grid baffle 7 is not influenced.

The circulating water pipe 9 is connected with a water inlet pipe of the spraying and purifying device 5, and a plurality of uniformly arranged water spray holes are formed in a spray head at the tail end of the spraying and purifying device 5 and used for spraying mist water vapor. The inlet pipe of the spraying purification device 5 is transversely arranged, the air speed adjusting plate 12 which is arranged up and down is arranged at the inlet pipe, and through the height adjustment of the air speed adjusting plate 12, firstly, the air flow entering the air storage box body 10 can be adjusted, and secondly, the water vapor of the spraying purification device 5 can be separated.

The stainless steel water return port 2 and the oil-water separation overflow port 13 connected with the stainless steel water return port are arranged in the water return tank 1, and when liquid in the water return tank 1 is higher than the oil-water separation overflow port 13, the liquid is discharged through the oil-water separation overflow port 13.

As shown in fig. 2, an intelligent display starting panel 15, an upper water connection port 16, a lower water discharge valve 17, and a lower water discharge pipe 18 are disposed at the front end of the wet purification equipment reaction tank 3. Intelligent display starting panel 15 is provided with shift knob for control the utility model discloses work. The front end of the water feeding connector 16 is used for connecting a tap water pipe and supplying water through an external water pipe, and the rear end is used for connecting a water inlet of the circulating water pump 19.

One end of the lower drainage pipe 18 is connected to the stainless steel return water port 2, and controls the on-off through the lower drainage valve 17 the utility model discloses when shutting down and carrying out thorough cleaning, open the lower drainage valve 17 for the liquid of return water tank 1 is whole to be discharged. The delivery port and the lower drain pipe 18 of water oil separating overflow mouth 13 are connected, and the delivery port is located the rear end of drain valve 17 the utility model discloses during operation for spill over the liquid of water oil separating overflow mouth 13 in return water tank 1, not receive drain valve 17's control when discharging through lower drain pipe 18.

As shown in fig. 3, a circulating water pump 19, a chemical liquid tank 20, a spray connecting pipe 21, an automatic water replenishing solenoid valve 22 and an automatic water level adjusting probe 23 are arranged at the rear end of the smoke stove body 4. The circulating water pump 19 is connected with the water inlet of the circulating water pipe 9 through a spraying connecting pipe 21, and the liquid medicine tank 20 can add liquid medicine into the spraying connecting pipe 21 and add purification components.

An automatic water replenishing electromagnetic valve 22 and an automatic water level adjusting probe 23 are arranged between the water feeding connecting port 16 and the circulating water pump 19, the automatic water replenishing electromagnetic valve 22 is located at a water inlet of the circulating water pump 19, the automatic water level adjusting probe 23 is used for detecting the water level of the water return tank 1 and feeding data back to the automatic water replenishing electromagnetic valve 22, so that the starting and stopping of the circulating water pump 19 are controlled.

And an LED moisture-proof lamp 14 is arranged at the top of the smoke stove body 4 and provides illumination for the interior of the smoke stove body 4.

The utility model discloses during the use, the gas-liquid sprays 5 fast-speed contacts of initiative in purifier, and harmful component permeates the air current that collides repeatedly, is trund into radial flow's air current and takes out the striking district after the striking at last.

The oil smoke passes through oil smoke suction plate 6 and reaches spraying purifier 5 department, and spraying purifier 5 is equipped with the atomizer towards oil smoke gas stream correlation water smoke, and through spraying the back, sprays purifier 5's water smoke, and partly following current reaches return water tank 1 down, and another part water smoke mixes with the oil smoke, and water smoke makes oil smoke steam cool down rapidly and condenses into the fog drop, and particulate matters such as oil smoke fog drop, smoke and dust in the vortex air current become particulate matter through water smoke intensive mixing, collision pounding, adhesion. After bypassing the air speed adjusting plate 12, the particulate matters are influenced by the negative pressure at the oblique vibration air pipe 11, the particulate matters flow to the fish scale grid baffle 7, then the particulate matters impact the fish scale grid baffle 7 which is uniformly distributed on the periphery, the fish scale grid baffle 7 is provided with meshes, the fish scale plates which are opened at a certain angle along the air flow direction are opened, and the fish scale grid baffle 7 is in a fish scale screen plate star-shaped structure formed by connecting the uniformly distributed fish scale screen plates.

The fish scale grid baffle 7 can make the fish scale screen plate into a plurality of same oblique dihedral angles or a plurality of same volute cambered surface angles according to an airflow streamline, and a diversion wind tongue fixed with the inner corner top is arranged at the inner corner top of the fish scale grid baffle 7, and a gap for circulating water flow is reserved.

The density of particles in the air flow is high, when the exhaust fan outside the oblique vibration air pipe 11 is started, the exhaust fan accelerates the turning radius due to the increase of the air speed and the pressure, the exhaust fan cannot rapidly turn to enter the meshes of the scale grid baffle 7, the exhaust fan collides with the scale grid baffle 7, adheres to the downstream of the scale grid baffle 7, and the air pressure enables the circulating water pipe 9 to be tightly attached to the inner side of the air storage box body 10.

The gas density is small, the turning curvature radius is small, the gas flows out by bypassing the meshes of the scale grid baffle 7 under the action of wind pressure, and the particles such as oil smoke droplets, smoke dust and the like collide with the water mist and are adhered to the screen plate of the scale grid baffle 7 to be separated from the air. Due to the double purification functions of water mist capture and inertia separation, the oil fume purification rate is greatly improved, and the water loss consumption is reduced. The total mesh area of the fish scale mesh baffle 7 ensures the air flow circulation, reduces the wind resistance and reduces the energy consumption.

The circulating water pump 19 continuously sucks in circulating water, the circulating water is pressurized to a spray head of the spray purification device 5 through the circulating water pipe 9, and water mist is sprayed to the oil smoke flow at the air inlet and the air speed adjusting plate 12.

The air speed adjusting plate 12 is arranged on one side of an air inlet of the air storage box body 10, and prevents water mist from being directly sprayed into the air storage box body 10, so that the water mist crushing effect can be improved. When the water level of the water return tank 1 drops, the automatic water replenishing electromagnetic valve 22 opens automatic water replenishing, and when the water level exceeds the pipe orifice of the oil-water separation overflow port 13, the sewage can be automatically discharged. When the spray head of the spray purification device is opened, the water pressure enables the spray head to rotate to clean the interior of the water tank and the filter, and the other side of the washing filter filters accumulated dust particles and dirty oil and flows into the lower drain pipe 18 from the drain outlet of the return water tank 1.

The utility model discloses the application striking flows the principle, makes the fast-speed contact of gas-liquid initiative, and harmful component permeates the air current that collides repeatedly, turns into radial flow's air current after the striking at last and takes out the striking district. The temperature of the oil smoke outlet is reduced, and the potential safety hazard of fire is reduced. The harmful substances in the oil smoke are efficiently purified, and the pollution of the oil smoke to the atmosphere is greatly reduced.

In the front-end wet-type waste gas purification integrated equipment, the technical advantage of mass transfer enhancement by the impinging stream is utilized, the impinging stream technology is combined with the oil fume purification process, and the oil fume purification equipment developed by the method obviously improves the oil fume emission and purification rate of a kitchen. On the basis of the original highest oil smoke purification rate of 85%, the purification rate is improved by 10 percent. The front end wet type waste gas purification reaction box adopts modular design and manufacture, especially the impact flow mixing and purification core unit module is integrally designed and manufactured, no power equipment, no mechanical transmission and no control equipment are provided, and the impact jet pipe is not blocked.

The utility model discloses effectively reduce food and beverage flue gas temperature, the oil smoke concentration of discharging reduces that the flue is flammable, combustion-supporting thing adheres to, reduces the direct emission source of oil smoke, particulate matter, non-methane total hydrocarbon, makes food and beverage flue fire accident hidden danger obtain fundamental management, has high social value to public safety and the masses 'life of personnel's intensive place, property safety, improvement air quality. The method reduces the discharge of oil smoke, particles and non-methane total hydrocarbon, solves the pollution discharge problem, treats the problem of illegal cooking oil and solves the water pollution. The purification equipment has the advantages of split module production and installation, extremely low later maintenance cost, no cleaning of the flue and automatic control of functions. The method has remarkable social and economic benefits in the aspects of safety, environmental protection and energy conservation of all kitchen ranges.

Claims

1. The utility model provides an integrative equipment of front end wet-type waste gas purification which characterized in that: including the smoke and fire range body of wet-type clarification plant reaction box and rear end, wet-type clarification plant reaction box from the top down has set gradually and has stored up the wind box, sprays purifier and return flume, it is internal that it stretches into the smoke and fire range to spray purifier to separate mutually with the internal space of smoke and fire range through the oil smoke suction plate of top, the one end of storing up the wind box is provided with the oblique tuber pipe that shakes that is connected with the exhaust fan, the below of shaking the tuber pipe to one side is provided with circulating pipe and fish scale net baffle, circulating pipe is connected with spraying purifier after passing fish scale net baffle.

2. The front-end wet-type exhaust gas purification integrated apparatus according to claim 1, wherein: and a water baffle is arranged above the scale grid baffle, and the water baffle limits a circulating water pipe to downwards penetrate through the scale grid baffle from the inner side surface of the air storage box body.

3. The front-end wet-type exhaust gas purification integrated apparatus according to claim 1, wherein: the spray purification device is characterized in that a plurality of uniformly arranged water spray holes are formed in a spray head at the tail end of the spray purification device and used for spraying mist water vapor.

4. The front-end wet-type exhaust gas purification integrated apparatus according to claim 1, wherein: and an air speed adjusting plate is arranged at the water inlet pipe of the spraying and purifying device.

5. The front-end wet-type exhaust gas purification integrated apparatus according to claim 1, wherein: the stainless steel water return port is connected with the lower drainage pipe.

6. The front-end wet-type exhaust gas purification integrated apparatus according to claim 1, wherein: the wet-type purification equipment reaction box is also provided with an upper water connecting port, a lower water discharging valve and a lower water discharging pipe, and the upper water connecting port is used for connecting a water inlet of a circulating water pump; one end of the lower drainage pipe is connected to a drain outlet of the water return tank and is controlled to be on or off by the lower drainage valve.

7. The front-end wet exhaust gas purification integrated apparatus according to claim 6, wherein: and the circulating water pump is connected with a water inlet of the circulating water pipe through a spraying connecting pipe.

8. The front-end wet exhaust gas purification integrated apparatus according to claim 6, wherein: the pipeline between the water feeding connecting port and the circulating water pump is provided with an automatic water replenishing electromagnetic valve and an automatic water level adjusting probe, the automatic water replenishing electromagnetic valve is used for controlling the on-off of the pipeline, and the automatic water level adjusting probe is used for controlling the on-off of the automatic water replenishing electromagnetic valve and the circulating water pump.

9. The front-end wet exhaust gas purification integrated apparatus according to claim 7, wherein: the spraying connecting pipe is characterized by also comprising a liquid medicine box, wherein liquid medicine is added into the spraying connecting pipe from the liquid medicine box.