CN201779671U

CN201779671U - Oily fume purification device

Info

Publication number: CN201779671U
Application number: CN2010205224449U
Authority: CN
Inventors: 邱显玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-09
Filing date: 2010-09-09
Publication date: 2011-03-30
Anticipated expiration: 2020-09-09

Abstract

The utility model relates to an oily fume purification device which comprises a gas collecting hood, a furnace shell, an exhaust monitoring unit, a combustion unit and a fin tube, wherein the gas collecting hood is provided with a lower opening and a gas outlet, and the inside of the furnace shell is defined vertically by a filter unit to form a discharging chamber and a combustion chamber communicated with the gas outlet. The exhaust monitoring unit for inspecting the gas state in the discharging chamber is arranged inside the discharging chamber; a combustion unit is arranged below the combustion unit and comprises a furnace mouth and a fuel supply device; the fin tube is arranged above the furnace mouth; and the outer surface of the fin tube is provided with a plurality of downwards and outwards extended fins and through holes. Oily fume is collected and guided by the gas collecting hood and the fin tube and is combusted in the combustion unit so that pollution is reduced, and dust generated by combustion is adsorbed by the filter unit, therefore innoxious hot gas is formed.

Description

Fume purifier of fume

Technical field

The utility model relates to a kind of exhaust gases purifier that purifies after the heat treatment, particularly uses the fume purifier of fume that hot-fluid and extended surface tube in the combustion chamber improve efficiency of combustion relevant for a kind of.。

Background technology

The prosperity of industrial technology and multifarious is so have in the manufacture process of some industrial products through heating treatment step, to reach the demand of required function.Employed Equipment for Heating Processing can produce the waste oil cigarette of high hot state naturally in the heating treatment process running, and this is an environmental pollutants.Handle at present for example the quench waste oil smoke pollution material of the high hot state that heating furnace derives of Equipment for Heating Processing, as shown in Figure 1, handle the schematic diagram of stove for known oil smoke, mainly be the waste oil cigarette importing oil smoke of the hot state of this height to be handled in the stove 10 combustion gas is provided again, for example gas is with the waste oil cigarette of the high hot state that burns, discharged out of the furnace again, the contaminative of oil smoke is reduced.But oil smoke is not to be all gas, can't clean-burning dust 11 but can mix part, so that these dust 11 easy entrained exhaust gas are attached to furnace wall 12, and can't fully burn; The preferred temperature of oil smoke ignition is about more than 600 ℃ in addition, can allow the oil smoke of discharging can not pollute, and the aforementioned furnace wall that is attached to can't clean-burning dust and oil smoke, it is not enough to add that known oil smoke is handled the interior heat flow stirring of stove, can't take the dust and the oil smoke of furnace wall out of burning, easily cause the temperature of ignition to reduce and be difficult to maintain more than 600 ℃, so that the oil smoke of discharging still can impact environment.

Summary of the invention

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, a kind of fume purifier of fume is provided, the extended surface tube outer wall close with thermal conductance effect combination in the combustion chamber and combustion chamber wall surface forms useful guiding hot-fluid, to improve efficiency of combustion.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of fume purifier of fume, be characterized in: comprise gas skirt, shaft, filter, exhaust monitoring means, fuel element, reach extended surface tube, this gas skirt has the following cover mouth that compiles oil smoke and reaches and this time cover mouthful gas outlet that is communicated with; This shaft inside has furnace cavity, and the bottom of this furnace cavity is communicated with this gas outlet; This filter is arranged at this furnace cavity, and this furnace cavity is defined combustion chamber and drain chamber; This exhaust monitoring means is arranged in this drain chamber, and this exhaust monitoring means has at least one sensor that detects the gaseous state in this drain chamber; This fuel element is arranged at this below, combustion chamber, and this fuel element comprises converter nose, is arranged at the fuel supply system in this converter nose; This extended surface tube is arranged at the converter nose top in this combustion chamber, and this extended surface tube outer surface has several outer fins of opening downwards, has the through hole of this extended surface tube tube wall of perforation between each fin extended surface tube outer surface corresponding with it.

In the utility model one embodiment, drain chamber can connect the discharging of the hot gas that a blast pipe crosses with boot process.And the inner wall of shaft can form heat-insulation layer with insulation material.

In the utility model one embodiment, more include a control module, it couples with exhaust monitoring means signal and is connected with one of gas catheter air-supplying valve switch, to control the extent of opening of gas catheter air-supplying valve switch according to the monitor signal of exhaust monitoring means.

In the utility model one embodiment, the fin of extended surface tube is offered several V-types or U type arc otch in the extended surface tube tube wall, and the tube wall of those incision is pulled out laterally and formed, and those otch promptly form those through holes.

So, compile the deep fat cigarette that heat-treating machine is arranged with a gas skirt, and connect this gas skirt gas outlet with the shaft of upright tubular, make form stack effect the deep fat cigarette upwards (furnace cavity) climb sharply, use fuel element again this deep fat cigarette heating flame is reduced pollution, add that the utility model is located in the combustion chamber, the extended surface tube on the fuel element, make and form high hot-zone in the extended surface tube, and the fin that extended surface tube is opened outward, the hot-fluid of bootable rising burns via the high hot-zone that through hole enters in the extended surface tube.In addition, the utility model can be set up gas catheter, flexibly guides gas to enter the fuel of converter nose as fuel element, and is auxiliary with what use as former useless combustion gas.

Description of drawings:

Fig. 1 is the generalized section that known oil smoke is handled stove.

Fig. 2 is the generalized section of fume purifier of fume one embodiment of the present utility model.

Fig. 3 is the generalized section that the utility model is handled oil smoke.

Fig. 4 is the increase auxiliary fuel schematic diagram of another embodiment of the utility model fume purifier of fume.

Label declaration:

10 oil smoke are handled stove 11 dust

12 furnace walls, 20 fume purifier of fume

211 times cover mouths of 21 gas skirts

212 gas outlets, 22 shafts

221 furnace cavities, 222 thermal insulation layers

223 combustion chambers, 224 drain chamber

23 filters, 231 porous type ceramic filter screen

24 exhaust monitoring means, 241 sensors

25 fuel elements, 251 converter noses

252 fuel supply systems, 2521 useless gas conduct pipes

2522 air conduits, 2523 gas catheters

26 extended surface tubes, 261 fins

262 through holes, 263 fixtures

27 blast pipe A oil smoke

The B hot-fluid C combustion gas of giving up

D air E gas

F gas

The specific embodiment:

Now cooperate graphic embodiment of the present utility model to be described in detail as follows, its appended graphic schematic diagram that is simplification only illustrates basic structure of the present utility model in a schematic way.Therefore in these diagrams, only indicate the assembly relevant with the utility model, and shown assembly is not, and number when implementing, shape, dimension scale etc. are drawn, specification during its actual enforcement is real to be a kind of optionally design, and its assembly layout form might be more complicated, states clearly earlier now.

Please refer to the generalized section of fume purifier of fume of the present utility model one embodiment shown in Figure 2.Fume purifier of fume 20 in the present embodiment comprises a gas skirt 21, a shaft 22, a filter 23, an exhaust monitoring means 24, a fuel element 25 and an extended surface tube 26.Gas skirt 21 has cover mouth 211 and one and this time cover mouthful 211 gas outlets that are communicated with 212.Shaft 22 inside have a furnace cavity 221, and these furnace cavity 221 walls have the thermal insulation layer 222 that forms with the heat insulation material material, and the bottom of this furnace cavity 221 is communicated with this gas outlet 212.Filter 23 is arranged in this furnace cavity 221, and this furnace cavity 221 is defined a combustion chamber 223 and a drain chamber 224.Exhaust monitoring means 24 is arranged in this drain chamber 224, this exhaust monitoring means 224 is provided with a sensor 241 at least, to detect the state of the gas in this drain chamber 224, when for example sensor 241 is a temperature sensor, can detect the gas temperature in this drain chamber 224; When sensor 241 is an oxygen concentration sensor, can detect the oxygen concentration in this drain chamber 224.Fuel element 25 is arranged at this 223 belows, combustion chamber, and this fuel element 25 comprises a converter nose 251, and connects or be arranged at fuel supply system 252 in this converter nose 251, and this fuel supply system 252 comprises useless gas conduct pipe 2521 and air conduit 2522.Extended surface tube 26 is arranged at the top (fixture 263 that the concrete mode that is provided with can connect extended surface tube 26 outer surfaces is fixed on the wall of this furnace cavity 221) of this converter nose 251 in this combustion chamber 223, these extended surface tube 26 outer surfaces have a plurality of outer downwards fins of opening 261, have the through hole 262 of these extended surface tube 26 tube walls of perforation between each fin 261 extended surface tube 26 outer surfaces corresponding with it.Certainly, the arrangement mode of those fins 261 and through hole 262 thereof does not need special qualification, can be along the regularly arranged or irregular alignment of outer surface of these extended surface tube 26 longitudinal axis.Moreover, one of those fins 261 of this extended surface tube 26 and structure generation type of those through holes 262, be to offer a plurality of V-types or U type arc otch in these extended surface tube 26 tube walls, and the tube wall of those incision pulled out laterally, make those otch form those through holes 262, and the tube wall of those incision form those fins 261; Perhaps also can offer through hole 262, additionally connect fin 261 in through hole 262 upper limbs again prior to extended surface tube 26 tube walls.

Generalized section referring again to processing oil smoke shown in Figure 3.Wherein, this gas skirt covers mouth 211 and compiles the oil smoke A that will purify below 21, its mode of compiling can be with one or more Equipments for Heating Processing, and for example the hot waste oil cigarette A of glowing furnace concentrates and is incorporated in down in the cover mouth 211, and oil smoke A is entered in the combustion chamber 223 of furnace cavity 221 via gas outlet 212.Import useless gas conduct pipe 2521 and import air conduit 2522 with useless combustion gas again, make useless combustion gas C and air D in the converter nose 251 under the high heat of oil smoke A, form combustion, and form stack effect, deep fat cigarette A is upwards climbed sharply at furnace cavity 221 with air.Because combustion is in upright extended surface tube 26, extended surface tube 26 can suck oil smoke A via through hole 262 under the stack effect effect; And the hot-fluid B of stack effect effect also can drive on the oil smoke A between extended surface tube 26 outsides and combustion chamber 223 inwalls and scurry, and the oil smoke A that scurries on the part can be entered in the extended surface tube 26 by through hole 262 by the guiding of this fin 261; And on the part oil smoke A that scurries under flow-disturbing via fin 261, but rollback combustion chamber 223 walls the oil smoke A that accumulates in combustion chamber 223 walls is taken out of, and can enter next through hole 262 internal combustion.Oil smoke A is after through fuel element 25 burning, because the hot-fluid effect, the filter 23(that forms the end face that gas F can be by this combustion chamber 223 through the oil smoke A of burning is a porous type ceramic filter screen 231), see through blast pipe 27 again and discharge.But the dust that can't burn among this porous type ceramic filter screen 231 suction oil smoke A purifies gas F more; In addition, filter 23 also can be used as the deferred mount of a burning, with its dense porous characteristic, can stop without promptly the climb sharply oil smoke A of to the combustion chamber 223 end faces of burning or incomplete combustion; And the oil smoke A that only allows completing combustion passes through.

See also the increase auxiliary fuel schematic diagram of another embodiment of fume purifier of fume that Fig. 4 illustrates, what deserves to be mentioned is, this fuel supply system can more comprise a gas catheter 2523, and use when not enough via the useless combustion gas C of exhaust monitoring means 24 perception, the aperture that can cooperate the air-supplying valve switches via gas catheter 2523 provides an amount of gas E the participation combustion that acts as a fuel.

Characteristics of the present utility model are, compile the deep fat cigarette that heat-treating machine is arranged with a gas skirt, and connect this gas skirt gas outlet with the shaft of upright tubular, the deep fat cigarette that forms stack effect is upwards climbed sharply to be entered in the combustion chamber of shaft inside, add be located in the combustion chamber, the extended surface tube on the fuel element, make and form high hot-zone in the extended surface tube, and the fin that extended surface tube is opened outward, the hot-fluid of bootable rising burns via the high hot-zone that through hole enters in the extended surface tube, and its porous type ceramic filter screen filter can have the effect of deferred mount concurrently, improves combustion rate. In addition, the utility model can be set up gas catheter in the fuel supply system of fuel element, and can optionally flexibly guide gas to enter converter nose as the fuel of fuel element, and is auxiliary with what use as former useless combustion gas.

Claims

1. fume purifier of fume is characterized in that: it comprises gas skirt, shaft, filter, exhaust monitoring means, fuel element, and extended surface tube, and this gas skirt has the following cover mouthful that compiles oil smoke and covers a mouthful gas outlet that is communicated with this time; This shaft inside has furnace cavity, and the bottom of this furnace cavity is communicated with this gas outlet; This filter is arranged at this furnace cavity, and this furnace cavity is defined combustion chamber and drain chamber; This exhaust monitoring means is arranged in this drain chamber, and this exhaust monitoring means has at least one sensor that detects the gaseous state in this drain chamber; This fuel element is arranged at this below, combustion chamber, and this fuel element comprises converter nose, is arranged at the fuel supply system in this converter nose; This extended surface tube is arranged at the converter nose top in this combustion chamber, and this extended surface tube outer surface has several outer fins of opening downwards, has the through hole of this extended surface tube tube wall of perforation between each fin extended surface tube outer surface corresponding with it.

2. fume purifier of fume as claimed in claim 1 is characterized in that: described drain chamber connects a blast pipe.

3. fume purifier of fume as claimed in claim 1 is characterized in that: described filter is a porous type ceramic filter screen.

4. fume purifier of fume as claimed in claim 1 is characterized in that: described furnace cavity wall has the thermal insulation layer that forms with the heat insulation material material.

5. fume purifier of fume as claimed in claim 1 is characterized in that: described sensor is a temperature sensor.

6. fume purifier of fume as claimed in claim 1 is characterized in that: described sensor is the oxygen concentration sensor.

7. the described fume purifier of fume of claim 1 is characterized in that: described fuel supply system comprises useless gas conduct pipe and air conduit.

8. the described fume purifier of fume of claim 7, it is characterized in that: described fuel supply system comprises gas catheter.

9. fume purifier of fume as claimed in claim 1, it is characterized in that: the fin of described extended surface tube and through hole are offered several V-types or U type arc otch in this extended surface tube tube wall, and the tube wall of this incision pulled out laterally, make those otch form this through hole, and the tube wall of this incision form this fin.