CN202078827U

CN202078827U - Industrial waste gas dedusting, washing and purifying device

Info

Publication number: CN202078827U
Application number: CN2011201578576U
Authority: CN
Inventors: 习亚丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-18
Filing date: 2011-05-18
Publication date: 2011-12-21
Anticipated expiration: 2021-05-18

Abstract

The utility model relates to an industrial waste gas dedusting, washing and purifying device, which comprises a shell, a water inlet tube and a blow-off tube. A water flow buffering and equal-distributing structure is disposed on the upper portion in the shell, the shell comprises a support, a bidirectional water flow equal-distributing device and a water collecting and equal-distributing overflow barrel, the bidirectional water flow equal-distributing device consists of 10-20 concentric annular barrels which are communicated mutually, the water collecting and equal-distributing overflow barrel is disposed at the center of the support and communicated with the bidirectional water flow equal-distributing device, the water inlet tube extends into the middle lower portion of the water collecting and equal-distributing overflow barrel, a filter screen array which is vertically and uniformly arranged, consists of filter screens and is in the shape of concentric barrels is mounted below the water flow buffering and equal-distributing structure, and an air and water flow guiding plate array consisting of air and water flow guiding plates arranged obliquely is mounted at the lower end of the filter screen array. The industrial waste gas dedusting, washing and purifying device is more scientific and reasonable in structural arrangement, and has the advantages of fine micro-particle removal rate, high desulfuration and dedusting efficiency, low investment, low operation cost and the like.

Description

A kind of industrial waste gas dedusting washing purifying device

Technical field

The utility model relates to a kind of industrial waste gas dedusting washing purifying device.

Technical background

During 12; country advocates energy-saving and emission-reduction energetically; this is to implement a scientific outlook on development; change the urgent task of economic development mode; it is the practical action of China's reply Global climate change; also be concerning the vital interests of the people and Chinese nation's survival and development; so adhere to environmental protection; carry out joint row whole people action in a deep going way; advocate green consumption, in industrial production, the dust-removing desulfurating apparatus that is used for the treatment process toxic emission has a variety of at present; the most frequently used Wet-way dust-collector that mostly is; but existing Wet-way dust-collector; its dust removing effects is bad, and desulfuration efficiency is not high, and the ability of especially removing microparticle is relatively poor.

The Wet-way dust-collector of present domestic use, great majority are the spray structure of all kinds of shower nozzles of use, and subsidiary other necessary filtrations.The shortcoming of such structure is 1, the impurity in the recirculated water can stop up shower nozzle, often to safeguard change or must use purify, the running water running.2, current require pressure big, and the excessive interior air-flow of whole dust-removal system that causes of the hydraulic pressure that must use enough big dynamical systems 3, spray to form is obstructed, and flue gas can not overflow from other outlets by dust pelletizing system, and too small then dust removing effects is poor.

Minority is without other dedusters or the complex structure of spray structure, and the processing and manufacturing difficulty is very big, and whole deduster will be scrapped if process is controlled undemanding words; Perhaps do not reach the dedusting standard of national regulation at all; The weight of individual product is very big, installs, safeguards, changes inconvenience and also can bring very big potential safety hazard.

The utility model content

The purpose of this utility model just is to provide a kind of industrial waste gas dedusting washing purifying device, and its structure setting is more scientific and reasonable, has advantage such as remove that microparticle is good, desulfurization dust-removing efficiency is high, small investment, operating cost are low.

The utility model adopts following technical scheme: a kind of industrial waste gas dedusting washing purifying device, and water inlet pipe and blow-off pipe that it comprises shell and supporting setting is characterized in that:

Top within shell is provided with current and cushions equal separation structure, and it comprises that the bimodal current divider and the Cheng Shui that are fixed on the support on the shell and are arranged on the support divide equally overflow ladle; Described bimodal current divider is made of 10-20 concentric annular bucket that interconnects, the described water that holds is divided equally overflow ladle and is arranged on the centre that support central authorities also are described each ring-type bucket of bimodal current divider, holds water and divides equally overflow ladle and be communicated with the bimodal current divider; Described water inlet pipe stretches into and holds water and divide equally in the overflow ladle middle and lower part;

Current cushion equal separation structure below vertical evenly that be provided with, filter screen array that be made of screen pack, that be the concentric circles tubular is installed, the mesh aperture of described each screen pack is 3-5mm, the spacing of vertical each the adjacent screen pack that is provided with is 10-15cm;

The air water array of baffles that air water deflector by oblique setting constitutes is installed in filter screen array lower end;

Cheng Shui divide equally between overflow ladle and the bimodal current divider for the space of up/down perforation be overflow mixed zone (annotate: air-flow in this district by upwards), the space of cushioning between equal separation structure and the filter screen array at current is that (annotate: this air-flow break-through space, top, zone diminishes in the air water mixed zone, waste gas can cushion, bending, mixes fully with current under the overflow Mixed Zone is drenched);

The water that holds described in the utility model is divided equally between each ring-type bucket of overflow ladle and bimodal current divider by being arranged on the 4-8 root communicating pipe connection of bucket bottom.Be provided with between each screen pack in the described filter screen array and be the cross-shaped brace rod that gets.

The utility model good effect is as follows:

1, weight simple in structure is little, manufacture difficulty is not high, save a large amount of manufacturing costs, a whole set of treatment system cost have only other hydrofilters 1/2 less than, nonaqueous dust cleaner (dry method dust needs additionaling power system, high temperature resistant pipeline with waste gas suction deduster) 1/10 less than; Install, change no difficulty.

2, no spray structure, the unnecessary use of water reusable edible is purified waste water;

3, power consumption is low, and energy consumption has only about 1/10 of nonaqueous dust cleaner, about 1/3 of other hydrofilters.

4, good dedusting effect.Can reach 30-50Mg/m for the effect after the flue gas processing of serious pollution ³, (be lower than 100 Mg/m far below the highest standard of country ³);

5, washing pernicious gas efficient height.Because current do not adopt the shower nozzle spray, the current size is not limited by nozzle, can regulate waste gas, foreign material in the abundant washings of current size according to the concrete condition of waste gas.

6, whole system does not have gas leakage, the phenomenon of feeling suffocated takes place.Owing to directly be mounted to outlet port, need not blower unit, waste gas can not form the gas leakage point all by dust pelletizing system discharge suitable for reading.

Water route, gas circuit do not have the obstruction dead angle, the Maintenance free cleaning, and air-flow is discharged unobstructed, and can not causing feels suffocated causes waste gas from other outlet discharges.

7, system's running temperature is low, and the inside and outside anti-corrosion material of dust pelletizing system is difficult for breaking away from, and the life-span of whole system is long.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 cushions the structural representation that equal separation structure is overlooked for current described in the utility model embodiment;

The structural representation that Fig. 3 overlooks for the described filter screen array of the utility model embodiment.

In the accompanying drawings: hold 1 housing, 2 water inlet pipes, 3 exhanst gas outlets, 4 supports, 5 blow-off pipes, 6 communicating pipes, 7 water and divide equally overflow ladle, 8 bimodal current dividers, 9 supports, 10 filter screen arrays, 11 air water array of baffles, water-blocking cap 12.

The specific embodiment

Shown in accompanying

drawing

1,2,3, a kind of industrial waste gas dedusting of the utility model embodiment washing purifying device, it comprises shell 1, water inlet pipe 2 and blow-off pipe 5 with supporting setting, shell 1 upper end is exhanst gas outlet 3, and the useless exhanst gas outlet of shell 1 bottom fume extractor is provided with water-blocking cap 12.Top within shell 1 is provided with current and cushions equal separation structure, and it comprises the support 9 that is fixed on the shell 1 and the bimodal current divider 8 and the Cheng Shui that are arranged on the support 9 divide equally overflow ladle 7; Described bimodal current divider 8 is made of 10-20 concentric annular bucket that interconnects, the described water that holds is divided equally overflow ladle 7 and is arranged on the centre that support 9 central authorities also are described bimodal current divider 8 each ring-type bucket, holds water and divides equally between overflow ladle 7 and bimodal current divider 8 each ring-type bucket and be communicated with by the 4-8 root communicating pipes 6 that are arranged on the bucket bottom; Described water inlet pipe 2 stretches into and holds water and divide equally position, overflow ladle 7 middle and lower part; Current cushion equal separation structure below vertical evenly that be provided with, filter screen array 10 that be made of screen pack 10-1, that be the concentric circles tubular is installed, the mesh aperture of described each screen pack is 3-5mm, the spacing of vertical each the adjacent screen pack that is provided with is 10-15cm, is provided with the brace rod 10-2 that is cross-shaped between each screen pack 10-1; The air water array of baffles 11 that air water deflector by oblique setting constitutes is installed in filter screen array 10 lower ends; The described space of dividing equally up/down perforation between overflow ladle 7 and the bimodal current divider 8 at Cheng Shui is the overflow mixed zone, and the space of cushioning between equal separation structure and the filter screen array 10 at current is the air water mixed zone.

Operation principle of the present utility model and process are: when work, after by water pump recirculated water being got to water inlet pipe 2, recirculated water enters Cheng Shui and divides equally overflow ladle 7, when the recirculated water water level rises to the position of communicating pipe 6, recirculated water is by disperseing to the left and right communicating pipe 6, disperse continuously to flow in each ring-type bucket of adjacent bimodal current divider 8, ring-type bucket up to outmost turns, along with water level constantly rises, reach each ring-type bucket of bimodal current divider and hold the bung that water divides equally overflow ladle 7 and mix along the outside overflow of bucket wall up to water level.At this moment bimodal current divider 8 and hold recirculated water that water divides equally overflow ladle 7 along bucket outer wall bidirectional flooding to the left and right, the water that overflows drops down dividing equally under overflow ladle 7 and bimodal current divider 8 outer walls along Cheng Shui under the effect of gravity, waste gas in the overflow mixed zone with tube wall on current liquidate, reach good mixing and absorption effect.Current direction breaks away from down and forms the effect that drenches with rain when current cushion equal separation structure, water enters screen pack array 10 with waste gas after the gas-vapor mix district is fully mixed, because water surface tension can form transparent moisture film on vertical screen pack, recirculated water passes the upper edge of air water array of baffles 11 and lower edge to the whereabouts, part cooling water falls to the upper surface of the water-blocking cap 12 on the fume extractor, upper surface along water-blocking cap 12 is the bottom that the water curtain shape falls to housing 1 from its edge again, another part recirculated water is from the bottom that the passage that forms between water-blocking cap 12 and the housing 1 is directly fallen housing 1, and these recirculated waters are discharged from blow-off pipe 5.

The flue gas that industrial furnace produces enters housing 1 from the bottom to top from gas approach 3, because of stopping earlier of the water-blocking cap 12 of top contacts with water-blocking cap 12 circulation water curtain on every side, after adsorbing a part of soot dust granule and absorb a part of pernicious gas in the flue gas, recirculated water drops to the bottom of housing 1, part recirculated water and flue gas carry out the heat exchange heat absorption and become steam, in flowing, steam under the drive of flue gas is mixed into gaseous mixture with flue gas, gaseous mixture passes water curtain to the air water array of baffles of oblique setting 11 times, be subjected to the guiding of air water array of baffles 11, contact with the circulation water curtain that flows down along air water array of baffles 11, after adsorbing the soot dust granule in a part of gaseous mixture and absorb a part of pernicious gas in the flue gas, recirculated water drops to the bottom of housing 1, gaseous mixture upwards enters filter screen array 10, screen pack contacts with the moisture film that recirculated water forms in gaseous mixture and the filter screen array 10, gaseous mixture is recycled water for cooling and flue dust is condensed into water droplet, and a part of flue dust converges into along with water droplet that current are recycled that water drives and the bottom of falling housing 1 is passed through.Waste gas continues to rise, enter the air water mixed zone that filter screen array 10 tops and current cushion equal separation structure bottom, waste gas air-flow break-through space above this zone diminishes, waste gas can cushion bending and fully contact with the shape current of drenching with rain, and the foreign material in the waste gas, pernicious gas can be taken away a part again by current and descend.Continue then upwards, can carry out mixing and absorption with the current that the bucket wall overflows, discharge by the outlet of dust pelletizing system at last when waste gas enters in the gap that Cheng Shui divides equally overflow ladle 7 and bimodal current divider 8.After advancing the above-mentioned absorption of filtration step by step dedusting, can meet or exceed the industrial gas emission standard of national regulation at last in the waste gas of Pai Chuing fully.

Claims

1. industrial waste gas dedusting washing purifying device, water inlet pipe (2) and blow-off pipe (5) that it comprises shell (1) and supporting setting is characterized in that:

Top within shell (1) is provided with current and cushions equal separation structure, and it comprises the support (9) that is fixed on the shell (1) and is arranged on the bimodal current divider (8) on the support (9) and holds water and divide equally overflow ladle (7); Described bimodal current divider (8) is made of 10-20 concentric annular bucket that interconnects, the described water that holds is divided equally overflow ladle (7) to be arranged on support (9) central authorities also is the centre of each ring-type bucket of described bimodal current divider (8), holds water and divides equally overflow ladle (7) and be communicated with bimodal current divider (8); Described water inlet pipe (2) stretches into and holds water and divide equally in overflow ladle (7) middle and lower part;

Current cushion equal separation structure below be equipped with vertical that evenly be provided with, by screen pack (10-1) filter screen array (10) that constitute, that be the concentric circles tubular, the mesh aperture of described each screen pack is 3-5mm, and the spacing of vertical each the adjacent screen pack that is provided with is 10-15cm;

The air water array of baffles (11) that air water deflector by oblique setting constitutes is installed in filter screen array (10) lower end;

The space of dividing equally up/down perforation between overflow ladle (7) and the bimodal current divider (8) at Cheng Shui is the overflow mixed zone, and the space of cushioning between equal separation structure and the filter screen array (10) at current is the air water mixed zone.

2. a kind of industrial waste gas dedusting washing purifying device according to claim 1 is characterized in that: the described water that holds is divided equally between overflow ladle (7) and each ring-type bucket of bimodal current divider (8) by being arranged on 4-8 root communicating pipe (6) connection of bucket bottom.