CN205914004U - Stench gas control processing system - Google Patents

Abstract

The utility model relates to a stench gas control processing system, include: store conveying organic waste's sludge impoundment, follow the sludge impoundment inhales the absorb stink fan that has malodorous gas, collect the dust arrester of desicator exhaust dust, to follow used heat that the dust arrester was retrieved with the gas of sludge impoundment carries out the heat exchange and supplies to the air heater of desicator hot -blast furnace, the deodorizing device that handle is carried out dry waste gas and stench, be used for reducing the process the smoke -protection device of white cigarette in deodorizing device's the waste gas. The utility model has the advantages of the deodorization, the integration of cigarette, waste heat recovery is removed dust, subtracted, strong adaptability, it is efficient, with low costs.

Description

A kind of foul gass control process system

Technical field

This utility model is related to environmental technology field, specifically a kind of foul gass control process system.

Background technology

Stench is defined as by national standard gb14554-93: all stimulate organum olfactorium to cause people unhappy and damage life The gaseous matter of environment alive.Commercial production, municipal wastewater, Treatment of Sludge and refuse disposal facility etc. are mainly coming of foul gass Source.A large amount of foul gass are had to produce in sludge drying, particularly in a heated condition, foul gass are strongly.The master of waste gas Composition is wanted to be hydrogen sulfide, ammonia, methanthiol, methyl sulfide etc., in mud drying process, if do not taken corresponding measure to process stench Gas, by smoke exhaust fan directly through smoke stack emission, causes huge harmful effect to living environment around.

Utility model content

The purpose of this utility model is the foul gass control process system providing a kind of stench zero-emission, subtracting dirt, subtract cigarette.

This utility model is achieved through the following technical solutions a kind of above-mentioned purpose: foul gass control process system, comprising:

Storage is transported into the sludge-tank of organic waste；

The smelly blower fan of suction from the cacodorous gas of described sludge-tank inhaler；

Collect the dust arrester of the dust that exsiccator is discharged；

The gas of the used heat reclaiming from described dust arrester and described sludge-tank is carried out heat exchange and supplies to exsiccator heat The air preheater of wind furnace；

The odor removal that dry waste gas and stench are processed；

For reducing the smoke control device of white cigarette in the waste gas of described odor removal.

Further, described odor removal includes interconnective Wet-type centrifugal dust arrester and scrubbing tower.

Further, described Wet-type centrifugal dust arrester includes funnel-form cyclone main body, makes waste gas enter described cyclone main body Internal air inlet, discharges the gas outlet of waste gas in described cyclone main body, positioned at the outlet of described cyclone main body bottom, is located at The blast tube on described air inlet top, positioned at the cistern of described outlet lower end.

Further, the smelly blower fan of described suction is located at outside described sludge-tank.

Further, described smoke control device include subtracting cigarette heat exchanger and to described subtract the air-supply of cigarette heat exchanger subtract cigarette wind Machine.

Further, described dust arrester includes whirler-type dust catcher and filter dust collector.

Compared with prior art, the beneficial effect of this utility model foul gass control process system is:

1. efficiently remove stench: whole system has prevented the escape of various foul smells, and deodorization efficiency is up to nearly 100%.

2. chemical substance need not be added: only corresponding exhaust duct, air draft power and water spray need to be set, chemistry need not be added Material participates in chemical reaction.

3. strong adaptability: it is suitable for the sludge drier system of 5-10 ton hour treating capacity, can 24 hours continuous works Make, stable and reliable operation.

4. deodorization, dedusting, subtract cigarette, Waste Heat Recovery integration: whole system can reach deodorization, dedusting, subtract cigarette, Waste Heat Recovery Multiple purposes it is ensured that zero stink discharge, the utilization of production safety and waste thermal energy.

5. operating cost is low: without special messenger's regular maintenance, only need to make regular check on, equipment energy consumption is low.

6., without pretreatment: foul gass need not carry out special handling, the temperature of equipment working environment, humidity, ph value are all No particular/special requirement.

Brief description

Fig. 1 is the schematic diagram of reclaiming organic waste device systems.

Fig. 2 is that mud is transported into supply equipment principle schematic.

Fig. 3 is drying sludge principle schematic.

Fig. 4 is drying machine angle one schematic diagram.

Fig. 5 is drying machine angle two schematic diagram.

Fig. 6 is drying machine angle three schematic diagram.

Fig. 7 is drying machine discharge exhaust-gas treatment principle schematic.

Fig. 8 is sewage sludge storage to be dried and transports principle schematic.

Fig. 9 is Wetting centrifugal dust arrester angle one schematic diagram.

Figure 10 is Wetting centrifugal dust arrester angle two schematic diagram.

Figure 11 is the close-up schematic view of Fig. 9.

Label in accompanying drawing is as follows:

10th, sludge-tank, 11, foreign body screening machine, 12, mud discharging device, 13, mud discharging conveyer, 14, mud transfer defeated Send machine, 15, mud transfer pump, 16, inhale smelly blower fan, 17, interim sludge-tank, 17a, quantitative discharge conveyer, 17b, mud discharging Quantifier, 18, exsiccator cast hopper, 18a, exsiccator throw in conveyer, 18b, mud loopback conveyer, 18c, loopback mud Dispenser, 20, exsiccator, 21, rotary kiln, 22, motor, 23, disintegrating machine, 23a, rotating shaft, 23b, the first breaking cutting machine, 23c, the second breaking cutting machine, 23d, rotary cutting machine, 24, transfer scraper bowl, 25, loopback outlet, 26, mud row is dried Put conveyer, 27, mud discharging conveyer rotary valve be dried, 28, mud is dried vertically transfers conveyer, 29, sludge water is dried Conveyer is sent in translation, and 30, exsiccator air stove, 40, dust arrester, 41, whirler-type dust catcher, the 42, first rotary valve, 45, filter Formula dust arrester, 46, vibrator, the 47, second rotary valve, 50, mud cooler be dried, 52, cooling sludge water translation send conveyer, 53rd, cooling mud vertically transfers conveyer, 55, sludge-tank is dried, 56, sludge-tank breather filter be dried, 57, nitrogen cylinder, 58, Mud discharging control gate be dried, 60, air preheater, 61, blower fan, 70, odor removal, 71, Wetting centrifugal dust arrester, 72, Scrubbing tower, 710, cyclone main body, 711, air inlet, 712, gas outlet, 713, outlet, 714, cover body, 715, water pipe, 716, spray Mouth pipe, 716a, water jet, 717, cistern, 717a, counterflow-preventing plate, 717b, check window, 718, drain pipe, 80, smoke control device, 81st, subtract cigarette heat exchanger, 82, subtract cigarette blower fan.

Specific embodiment

" mud " in this utility model refers to food refuse, agricultural product, processing of aquatic products technique or ornaments processing work The organic wastes such as the garbage of during skill and slaughterhouse discharge, sewage sludge, poultry garbage.

As shown in figure 1, being dried to mud and the reclaiming organic waste device systems of resource include: storage fortune The sludge-tank 10 of the organic waste entering；Organic waste, the exsiccator cast hopper 18 storing and discharging is obtained from sludge-tank； The broken organic waste from exsiccator cast hopper, the exsiccator 20 being dried and discharging；Supply hot blast to exsiccator Exsiccator air stove 30；Collect the dust arrester 40 of the dust that exsiccator is discharged；The organic waste that is dried that exsiccator is discharged enters Row cooling treatment mud cooler 50 is dried；The dry dirt that storage carrys out the organic waste of self-desiccation mud cooler and transports Mud sump 55；Carried out by the used heat reclaiming from dust arrester with sludge-tank by inhaling the gas including stench that smelly blower fan sucks Heat exchange is simultaneously supplied to the air preheater 60 of exsiccator air stove；To being sucked by dry waste gas blower fan, pre- from air The dry waste gas of hot device and the odor removal 70 being processed from the stench that sludge-tank suction is dried；Reduce through odor removal The smoke control device 80 of white cigarette in waste gas.

As shown in Fig. 2 sludge-tank 10 is the place of the mud that storage mud collecting cart ships, install above sludge-tank 10 Mud equipped with weigh-bridge and air curtain is transported into field, and sludge-tank 10 includes: is filtered out by motor vibrations and is blended in fortune The screen mesh type foreign body screening machine 11 of the foreign body in the organic waste entering；Promoted by multiple propellers based on hydraulic-driven and discharge The mud discharging device 12 of the organic waste of storage；The mud transfer conveyer of the debirs that mobile mud discharging device 12 is discharged 14 and for discharge mud transfer conveyer 14 transfer organic waste mud supply pump 15.

In addition, because sludge-tank 10 gives out a foul smell it is proposed that after throwing in mud and starting foreign body screening machine 11, closing mud The input door in pond is closed, for preventing mud supply pump 15 from breaking down or being reorganized and outfit it is proposed that being equipped with 2 mud supply pumps 15.

Further, it is suggested that installing mud discharging conveyer 13 between mud displacer 12 and mud transfer conveyer 14, build View mud discharging conveyer 13 is three screw conveyor shafts it is ensured that bulky mud can be in 3 spiral shells during discharge Crushed between rotation, mud transfer conveyer 14 be two screw conveyor shafts, mud supply pump 15 using efficiency high, be easy to obtain Obtain the piston pump of high pressure.

Because sludge-tank 10 and mud are transported into field and always give out a foul smell, it is mounted with to inhale smelly blower fan 16 inhaler in outside Cacodorous gas, the gas of suction and the waste gas through exsiccator 20 and dust arrester 40 carry out heat exchange, after temperature rises, It is re-used as fuel in exsiccator air stove 30, in addition, being transported into field in mud the stench of suction is sent to deodorization dress Put 70 to be processed.

As shown in Figure 3, it is mounted with to store facing of organic waste between sludge-tank 10 and exsiccator cast hopper 18 temporarily When sludge-tank 17, be mounted with, for quantitative discharge mud, to be made up of two screw conveyor shafts in the outlet of interim sludge-tank 17 Quantitation discharge the conveyer 17a and mud discharging quantifier 17b for measuring organic sludge quantitative discharge.

The outlet of exsiccator cast hopper 18 be mounted with by mud be thrown to exsiccator 20 by two screw conveyor shafts Conveyer 18a thrown in by the exsiccator constituting.In addition, being mounted with self-desiccation machine in future between exsiccator 20 and exsiccator cast hopper 18 20 mud is recycled to the mud loopback conveyer 18b of drying machine cast hopper 18, is mounted with by moving on exsiccator cast hopper 18 Send the loopback mud dispenser 18c that the conveying worm of the mud from mud loopback conveyer 18b is constituted.

As shown in Figures 4 to 6, exsiccator 20 is that from more than 80%, the water content of mud is down to less than 10%, crushes simultaneously Make the device that the volume of mud reduces, including；Press certain angle to tilt from front end to rear end, rotate under the driving of motor 22 And the rotary kiln 21 operating；Extend the multiple disintegrating machines 23 installed from the front end edge rotary kiln length direction of rotary kiln 21；Returning Transfer scraper bowl 24 for transferring mud is equidistantly fixedly mounted along helix on rotary kiln inner peripheral surface.

Transfer scraper bowl 24 is the shape of folding two-layer, and the two ends of length direction are connected with end adjacent one another are, such that it is able to More effectively transfer the mud of whereabouts, expand the contact area with mud, at utmost improve exclusion within the relatively short time The efficiency of moisture.

Disintegrating machine 23 includes the rotating shaft 23a extending along rotary kiln 21 length direction；Break along rotating shaft is equidistantly installed first Broken formula cutting machine 23b；There is certain distance in cutting machine 23b breaking with first, the second of installation parallel with rotating shaft 23a is breaking The cutting machine 23c and rotary cutting machine 23d being arranged on roller end, rotating shaft 23a with the distance of rotary kiln 21 circle center are H, the quantity of disintegrating machine is two, when one of them rotates forward, another counter-rotating, the broken mud falling.

Further, it is suggested that throw in exsiccator installing rotary cutting machine 23d on the end axis of conveyer 18a, this will increase The strength of the broken mud falling, in addition, rotary cutting machine can also be arranged between the first breaking cutting machine.

In addition, the second breaking cutting machine 23c is installed radially based on rotating shaft 23a center, the second breaking cutting machine Overlapped being arranged on the first breaking cutting machine 23b in two ends of 23c, forms overlapping region l, with the first breaking cutting The direction of principal axis of machine is at a right angle to be crushed, and the direction of principal axis along the second breaking cutting machine is crushed, broken such that it is able to improve The efficiency of mud.

I.e. in disintegrating machine, the first breaking cutting machine and the second breaking cutting machine are interlaced, mutually along direction in length and breadth At a right angle vertically crushed, can more be contacted with the mud falling at short notice, thus broken more Mud, furthermore it is possible to reduce the water content of mud in a large number, improves drying efficiency, through broken mud than traditional broken dirt Mud is denser, and the dried mud that is dried is more much smaller than the grain graininess of conventional situation, and thermal power plant is used as auxiliary fuel Shi Wuxu carries out broken can be used directly, such that it is able to second-time breakage needed for expense and time are greatly lowered.

In addition, the mud size uniformity being dried through exsiccator of the present utility model, granule is less than 5mm, and is averagely more than 10mm, monnolithic case irregular traditional drying mud is compared, and grain graininess is little, and profile is substantially homogeneous, therefore can reduce dry The floor space of dry mud, in addition, intergranular space is little, can once transport and more mud be dried, thus saving freight charges, Because profile more homogeneous than traditional sludge it is possible at utmost reduce transportation in because friction, collision etc. lead to micro- The generation of fine dust.

On the one hand, rotary kiln 21 is rotated with the rotating speed of 0.5～5rpm and operates, and is gradually lowered from front end to rear height, There is 1～5 ° of gradient it is ensured that mud can be transferred when rotating.

Suggestion reclaim kiln front end formed loopback outlet 25, rotary kiln 21 pass through loopback outlet 25 by inside towards Mud that the direction in opposite direction being crushed with disintegrating machine 23 and transferring is spilt, not transferring is recycled to exsiccator cast hopper 18.

In addition, as shown in figure 3, in exsiccator 20 and being dried between mud cooler 50, from positioned at exsiccator 20 rear end Outlet starts to be mounted with successively that be made up of vane type drag conveyor is dried mud discharging conveyer 26；For discharging drying Mud mud discharging conveyer rotary valve 27 is dried；The bucket elevator of right angle setting scraper bowl-mud is dried, and vertically transfer is defeated Send machine 28 and be made up of drag conveyor be dried sludge water translation send conveyer 29, by drying machine 20 be dried mud transfer To setting height(from bottom) different mud cooler 50 is dried.

Exsiccator air stove 30 is the gas sucking from sludge-tank 10 and discharges through exsiccator 20 and dust arrester 40 High-temp waste gas carry out heat exchange in air preheater 60, and burn in the type of furnace combustion furnace gas therefore obtaining and main fuel, Supply the air stove of hot blast to exsiccator 20.

As shown in fig. 7, dust arrester 40 is used for removing the float comprising dust of exsiccator 20 discharge and discharging useless Gas, is made up of whirler-type dust catcher 41 and filter dust collector 45.

The structure of whirler-type dust catcher 41 is applied to the larger granule of removal, so employing double-shaft spiral type, Ran Houtong Cross and be located at the first rotary valve 42 of bottom and the float such as the dust of removal be emitted into mud cooler 50 is dried, not treatable Small granular suspended matters are then transferred to filter dust collector 45.

The structure of filter dust collector 45 be applied to receive and process through centrifugal type filter 41 but not processed first Little particle mud, equipped with vibrator 46, using the impulse jet mode of the granule shaking off collection by periodic oscillations, Ran Houtong Cross and be located at the second rotary valve 47 of bottom and the float such as the dust of removal be emitted into mud cooler 50 is dried, finally give off Through filter dust collector 45 process containing cacodorous high-temp waste gas, but it is not direct discharge, but pass through air preheat Device 60 reclaims high temperature waste hot and is reused.

The mud that is dried that 80～90 DEG C that exsiccator 20 discharged by mud cooler 50 are dried is cooled to less than 40 DEG C, cooling Cooled down by way of water-cooled based on cooling water around the reel of device, because being transferred, by rotating drum, the mud being dried To outlet side, thus highly lower, through redrying mud cooler, mud in the backward as exsiccator 20 when installing Moisture may be fully drained.

As shown in figure 8, it is to carry out dust disposal that sludge-tank 55 is dried, it is mounted with using every certain on the top of sludge-tank What the time just shook off the air pulse spray regime of dust is dried sludge-tank breather filter 56, bottom be mounted with for metering and What discharge was dried mud is dried mud discharging control gate 58.

In addition, occurring it is proposed that being equipped with the nitrogen cylinder 57 of storage noble gases-nitrogen for fire preventing, and mud is dried Emission control grid 58 are together installed by discharging the exhaust blower that mud is dried, tapping equipment and being to carry out based on needed for quantitative discharge Amount platform is dried sludge-tank 55 it is proposed that installing 2.

In addition, mud cooler 50 being dried and being dried between sludge-tank 55, mud cooler 50 rear end is dried from being located at Outlet start cooling mud distribution formula conveyer (not shown) being made up of belt type conveyer is installed successively；By belt-type The cooling sludge water translation that conveyer is constituted send that conveyer 52 is vertical with vertically arranged cooling mud to transfer conveyer 53, cooling Mud can be in different mud cooler 50 being dried and transfer is dried between sludge-tank 55 of setting height(from bottom).

Air preheater 60 is as shown in fig. 7, to the used heat containing cacodorous high-temp waste gas from filter dust collector 45 Carry out heat exchange with the gas from sludge-tank 10 and the burner supplied to exsiccator air stove 30 is it is proposed that in air preheater Dry waste gas blower fan 61 is installed in 60 rear end, sucks and completes heat exchange, is transferred to odor removal containing cacodorous waste gas and by it 70 Wetting centrifugal dust arrester 71.

Odor removal 70 includes interconnective Wetting centrifugal dust arrester 71 and scrubbing tower 72, by Wetting centrifugal collection Dirt device 71 carries out the first separation of fine dust in waste gas, then allows the waste gas having separated fine dust again by scrubbing tower 72, thus separating fine dust in the offgas again.

As shown in Figures 9 to 11, Wetting centrifugal dust arrester 71 includes funnel-form cyclone main body 710；Cyclone main body 710 Top is in cochlea shape to the center position of cyclone main body 710, so that the waste gas being heated to certain state is entered via air preheater 60 Enter inside cyclone main body 710, by the air inlet 711 of centrifugation mode separation fine dust；Positioned at cyclone main body 71 axle side To center, in cyclone main body internal 710, a part, in outside, will separate useless after fine dust a part in cyclone main body Gas is emitted into the gas outlet 712 of scrubbing tower 72 side；Positioned at cyclone main body 710 bottom, discharge from waste gas first separation out Fine dust and water mixture outlet 713；Positioned at air inlet 711 top, separate by giving up that air inlet 711 enters Fine dust and waste gas that gas bag contains, reduce EGT, have the blast tube 716 of multiple water jet 716a；Blast tube 716 wraps Including on air inlet top is in the cover body 714 that closed state is installed；Supply the feed pipe 715 of a certain amount of water to blast tube 716；Peace It is contained in outlet 713 lower end, in the presence of the water that blast tube sprays, make from waste gas detached fine dust along cyclone main body The cistern 717 falling and being collected and the water containing fine dust discharging cistern 717 are emitted into waste water water leg Drain pipe 718.

In addition, discharge outlet 713 lower end being connected with cistern 717 is not it is considered to using Wetting centrifugal dust arrester and preventing The watery vomiting of storage flow to cyclone main body, also needs to install the counterflow-preventing plate 717a based on elastic hinge action, pacifies on cistern Dress checks the inspection window 717b within cistern for user.

Here, focus on the water containing fine dust in waste water water leg, collect a period of time after, carry out water with micro- The separation of fine dust, then again the fine dust gathering and be transferred to sludge-tank and used.

That is, Wetting centrifugal dust arrester 71 is carrying out centrifugation point to waste gas that comprise fine dust, to have uniform temperature From during spray water, efficiently separate the fine dust comprising in waste gas and water, and reduce the temperature of waste gas by water spray.

Multiple scrubbing towers 72 are located at the rear end of Wetting centrifugal dust arrester 71, and always self-wetted whirler-type dust catcher 71 is useless Gas blowout water, secondary goes the water solublity stench containing in removing exhaust gas the temperature reducing waste gas.

The structure of smoke control device 80 is used for reducing the white cigarette in the waste gas of final process, subtracts cigarette heat including fin tube type Exchanger 81 subtracts cigarette blower fan 82 with suction extraneous air, to the turbocharging type subtracting cigarette heat exchanger 81 air-supply, removes stench simultaneously It is emitted in air after reducing temperature.

Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art, On the premise of creating design without departing from this utility model, some deformation can also be made and improve, these broadly fall into this practicality New protection domain.

Claims (6)

1. a kind of foul gass control process system is it is characterised in that include:

Storage is transported into the sludge-tank of organic waste；

The smelly blower fan of suction from the cacodorous gas of described sludge-tank inhaler；

Collect the dust arrester of the dust that exsiccator is discharged；

The gas of the used heat reclaiming from described dust arrester and described sludge-tank is carried out heat exchange and supplies to exsiccator air stove Air preheater；

The odor removal that dry waste gas and stench are processed；

For reducing the smoke control device of white cigarette in the waste gas of described odor removal.

2. foul gass control process system according to claim 1 it is characterised in that: described odor removal includes mutually The Wet-type centrifugal dust arrester connecting and scrubbing tower.

3. foul gass control process system according to claim 2 it is characterised in that: described Wet-type centrifugal dust arrester bag Include funnel-form cyclone main body, make waste gas enter the air inlet within described cyclone main body, discharge waste gas in described cyclone main body Gas outlet, positioned at the outlet of described cyclone main body bottom, positioned at the blast tube on described air inlet top, positioned at described outlet The cistern of lower end.

4. foul gass control process system according to claim 1 it is characterised in that: described suction smelly blower fan be located at described Outside sludge-tank.

5. foul gass control process system according to claim 1 it is characterised in that: described smoke control device includes subtracting cigarette Heat exchanger and to described subtract cigarette heat exchanger air-supply subtract cigarette blower fan.

6. foul gass control process system according to claim 1 it is characterised in that: described dust arrester includes centrifugal Dust arrester and filter dust collector.