CN202803097U - Waste gas treatment device in waste and old rubber and plastic cracking process - Google Patents
Waste gas treatment device in waste and old rubber and plastic cracking process Download PDFInfo
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- CN202803097U CN202803097U CN 201220323062 CN201220323062U CN202803097U CN 202803097 U CN202803097 U CN 202803097U CN 201220323062 CN201220323062 CN 201220323062 CN 201220323062 U CN201220323062 U CN 201220323062U CN 202803097 U CN202803097 U CN 202803097U
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Abstract
The utility model discloses a waste gas treatment device in a waste and old rubber and plastic cracking process, belonging to the field of environment friendliness. The device comprises a buffer tank, a liquid separating tank, a purification tank, a desulfurization tank, a safe tank, a vacuum tank, a corrosion-resistant pump, a second stop valve, a third stop valve, a fourth stop valve, a fifth stop valve, a sixth stop valve, a seventh stop valve, an eighth stop valve, a ball valve, a gate valve, a first drainage valve, a second drainage valve, a third drainage valve, a fourth drainage valve, a fifth drainage valve, a steam valve, an air breather and an explosion-proof device. Solid dust contained in waste gas, floating oil smoke and harmful gases such as sulfur dioxide and hydrogen sulfide can be effectively treated on the premises of safety and environment friendliness by using the devices composed of the buffer tank, the liquid separating tank, the purification tank, the desulfurization tank, the safe tank, the vacuum pump, the correction-resistant pump and various control valves in the embodiment of the utility model to form a combustible gas as an effective energy source of thermal cracking equipment so as to be recycled. By using the waste gas treatment device, the problem of environment pollution caused by disordered discharge of waste gas is solved, meanwhile, a great number of renewable energy sources are recycled, and a great number of fuel oil or coal resources needed in thermal cracking are reduced.
Description
Technical field
The utility model relates to environmental protection equipment, particularly emission-control equipment in a kind of waste and old rubber cracking.
Background technology
At present, about 5～8% the non-condensable gas that produces in damaged tire, rubber or the Pyrolysis of Plastics Wastes is waste gas, comprises solid dust, mucus shape tar, sulfur dioxide and hydrogen sulfide gas in the waste gas.
Because the device of the above-mentioned waste gas of conventional treatment is complicated, so that emission-control equipment is invested and the construction work amount, take the cost of investment of a whole set of apparatus for thermal cleavage 20～30%.In addition, emission-control equipment is in operation needs the loss great lot of water resources.So, most of Pyrolysis Plants for Used Tires device manufacturer and treatment plant do not match exhaust-gas treatment, and this part waste gas is directly discharged or with the direct burning and exhausting of torch form, caused thus serious environmental pollution, and wasted the energy of a large amount of recoverables.
Therefore it is simple to develop a kind of device, and equipment investment cost thermal cracking waste gas treatment equipment cheap and safe, efficient, environmental protection just seems particularly urgent.
The utility model content
In order to overcome the defective of above-mentioned prior art, the utility model embodiment provides emission-control equipment in a kind of waste and old rubber cracking, and this device has simple in structure, and cost of investment is cheap, and advantage safe, efficient, environmental protection.Described technical scheme is as follows:
Emission-control equipment in a kind of waste and old rubber cracking, described device comprise surge tank, minute flow container, purification pot, digester, safety can, vavuum pump, noncorrosive pump, the second to the 8th stop valve, ball valve, gate valve, the first to the 5th blowoff valve, steam valve, gas respirator and explosion-proof apparatus;
Described surge tank is used for collecting waste gas, described surge tank is connected to described minute flow container through the second stop valve, described vavuum pump, described the 3rd stop valve, so that waste gas is pumped to described minute flow container through described vavuum pump by described surge tank, described surge tank top is provided with described gas respirator, described surge tank bottom is provided with the first blowoff valve, so that described surge tank blowdown;
Flow container was used for solid dust and tarry matters in smoke that the described waste gas of filtering contains in described minute, flow container top the 4th stop valve was connected to described digester in described minute, so that the exhaust-gas flow of described minute flow container is to described digester, flow container middle part the 5th stop valve was connected to described purification pot in described minute, so that the described solid dust of bubbling through the water column and described tarry matters in smoke flow to described purification pot through described the 5th stop valve, described separatory pot bottom is provided with the second blowoff valve, so that flow container blowdown in described minute, be parallel with steam valve between described minute flow container and the described purification pot, to get rid of residual flue dust and grease in described minute flow container and the described purification pot steam;
Described purification pot is used for collecting described solid dust and described tarry matters in smoke, and the bottom of described purification pot is provided with described the 3rd blowoff valve, so that described purification pot blowdown;
Described digester is in order to become described waste gas clean imflammable gas after alkali lye neutralization reaction wherein, described digester is provided with alkali liquor circulating system, described alkali liquor circulating system comprises described the 6th stop valve that is connected in turn by pipeline, described noncorrosive pump, described gate valve, described ball valve, described the 8th stop valve and spray element, wherein said ball valve is that alkali lye injects the mouth of pipe, described digester is connected to described safety can through described the 7th stop valve, so that the imflammable gas of described cleaning is delivered to described safety can, described digester bottom is provided with the 4th blowoff valve;
Described safety can is used for depositing the imflammable gas of described cleaning, and the top of described safety can is provided with described explosion-proof apparatus, and the bottom of described safety can is provided with described the 5th blowoff valve, and described safety can is provided with the fuel gas outlet.
Particularly, described vavuum pump is water ring vacuum pump, and by PLC and Frequency Converter Control.
Particularly, described separatory is filled with inside and is provided with filter cigarette grid, by solid dust and the tarry matters in smoke that contain in the described waste gas of described filter cigarette grid filtering.
Particularly, described spray element is annular, and described spray element surface is provided with the micropore that evenly gathers, and by described noncorrosive pump alkali lye is pressurizeed so that the vaporific alkali lye that sprays on the micropore of described spray element.
Particularly, described surge tank is ￠ 1200 * 2600mm, described purification pot is ￠ 440 * 600mm, flow container, described digester and described safety can were ￠ 600 * 1200mm in described minute, and described surge tank, described minute flow container, described purification pot, described digester and described safety can are the vertical type installation and are a straight line and arrange.
Further, described emission-control equipment also comprises the first stop valve, described the first stop valve is connected in parallel on the arrival end of described the second stop valve and the port of export of described the 3rd stop valve, and described the first stop valve is used for regulating from described surge tank to described minute flow container gas flow.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: compare existing technology, the utility model embodiment passes through surge tank, divide flow container, purification pot, digester, safety can, vavuum pump, the device that noncorrosive pump and various by-pass valve control form, can be in safety, under the prerequisite of environmental protection, with the solid dust that contains in the waste gas, floating oil smoke, sulfur dioxide and hydrogen sulfide pernicious gas are effectively processed, become effective energy imflammable gas of apparatus for thermal cleavage, recycle fully, the utility model has not only solved the pollution problem of the unordered discharging of waste gas to environment, also reclaim simultaneously and utilized a large amount of renewable sources of energy, reduce in the thermal cracking and need a large amount of fuel oil of loss or coal resources, simultaneously, it is reasonable that described device also has simple structure, area occupied is little, the advantage that cost of investment is cheap.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure figure of emission-control equipment in the waste and old rubber cracking that provides of the utility model embodiment;
Fig. 2 is the PLC control structure figure that the utility model embodiment provides;
Fig. 3 is the main control structure chart of the emission-control equipment that provides of the utility model embodiment;
Fig. 4 is the flow control structure figure of the emission-control equipment that provides of the utility model embodiment.
Each symbolic representation implication is as follows among the figure:
1 fuel oil is collected and is filled with 2 surge tanks, 3 minutes flow containers, 4 purification pots, 5 digesters, 6 safety cans, 7 vavuum pumps, 8 noncorrosive pumps, 9 pressure sensors, 10 digital micromanometers, 11PLC, 12I/O module, 13 cracking stills, 14 frequency converters;
Va1 the first stop valve, Va2 the second stop valve, Va3 the 3rd stop valve, Va4 the 4th stop valve, Va5 the 5th stop valve, Va6 the 6th stop valve, Va7 the 7th stop valve, Va8 the 8th stop valve, Va9 ball valve, the Va10 gate valve, Va11 the first blowoff valve, Va12 the second blowoff valve, Va13 the 3rd blowoff valve, Va14 the 4th blowoff valve, Va15 the 5th blowoff valve, the Va16 steam valve, Va17 gas respirator, Va18 explosion-proof apparatus;
GS1 filter cigarette grid;
PL1 sprays element.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
As shown in Figure 1, emission-control equipment in a kind of waste and old rubber cracking that the utility model provides, described device comprise surge tank 2, minute flow container 3, purification pot 4, digester 5, safety can 6, vavuum pump 7, noncorrosive pump 8, the second to the 8th stop valve Va2-Va8, ball valve Va9, gate valve Va10, the first to the 5th blowoff valve Va11-Va15, steam valve Va16, gas respirator Va17 and explosion-proof apparatus Va18;
Described surge tank 2 is used for collecting waste gas, described surge tank 2 is connected to described minute flow container 3 through the second stop valve Va2, described vavuum pump 7, described the 3rd stop valve Va3, so that waste gas is pumped to described minute flow container 3 through described vavuum pump 7 by described surge tank 2, described surge tank 2 tops are provided with described gas respirator Va17, described surge tank 2 bottoms are provided with the first blowoff valve Va11, so that 2 blowdowns of described surge tank;
Described purification pot 4 is used for collecting described solid dust and described tarry matters in smoke, and the bottom of described purification pot 4 is provided with described the 3rd blowoff valve Va13, so that 4 blowdowns of described purification pot;
Described digester 5 is in order to become described waste gas clean imflammable gas after alkali lye neutralization reaction wherein, described digester 5 is provided with alkali liquor circulating system, described alkali liquor circulating system comprises described the 6th stop valve Va6 that is connected in turn by pipeline, described noncorrosive pump 8, described gate valve Va10, described ball valve Va9, described the 8th stop valve Va8 and spray element PL1, wherein said ball valve Va9 is that alkali lye injects the mouth of pipe, described digester 5 is connected to described safety can 6 through described the 7th stop valve Va7, so that the imflammable gas of described cleaning is delivered to described safety can 6, described digester 5 bottoms are provided with the 4th blowoff valve Va14;
Described safety can 6 is used for depositing the imflammable gas of described cleaning, and the top of described safety can 6 is provided with described explosion-proof apparatus Va18, and the bottom of described safety can 6 is provided with described the 5th blowoff valve Va15, and described safety can 6 is provided with the fuel gas outlet.
As shown in Figure 1, the utility model embodiment is by surge tank 2, divide flow container 3, purification pot 4, digester 5, safety can 6, vavuum pump 7, the device that noncorrosive pump 8 and various by-pass valve control form, can be in safety, under the prerequisite of environmental protection, with the solid dust that contains in the waste gas, floating oil smoke, sulfur dioxide and hydrogen sulfide pernicious gas are effectively processed, become effective energy imflammable gas of apparatus for thermal cleavage, recycle fully, the utility model has not only solved the pollution problem of the unordered discharging of waste gas to environment, also reclaim simultaneously and utilized a large amount of renewable sources of energy, reducing in the thermal cracking needs a large amount of fuel oil of loss or coal resources.
Particularly, as shown in Figure 1, described vavuum pump 7 is water ring vacuum pump, and by PLC 11 and frequency converter 14 controls.
In the present embodiment, described device adopts water ring vacuum pump 7 to vacuumize the medium circulation utilization and produces without waste water, and water consumption is few, by the closed circulating operation of water ring vacuum pump 7, is processing 10 tons of its water consumption per month of damaged tire production line a day less than 0.5 ton.
In addition, adopt water ring vacuum pump 7 can also improve exhaust-gas flow speed, the stabilizing gas flow velocity, the compression of 7 pairs of gases of this water ring vacuum pump is to carry out under Isothermal Condition, therefore is difficult for causing danger when force feed or suction flammable explosive gas.
More specifically, effect by surge tank 2, so that waste gas can obtain buffer memory at surge tank 2, and the control of the frequency control of adopting with water ring vacuum pump 7 combines and can make exhaust gas flow more stable, the effect of desulfurization is more obvious, this kind technology is combined utilization with equipment and technology, improved the ability of removing waste gas solid dust and desulfurization.
As shown in Figure 2, the dynamic Control of described device adopts PLC 11 and frequency converter 14 controls, make described device realize automation, simultaneously, can make cracking still 13 internal pressures be in all the time little negative pressure, improve thermal cracking and get environmental-protecting performance, so that described equipment safety dependable performance, the package unit power consumption seldom is about 4.75KW, vacuumizes by variable frequency adjustment, and gas is at the flow process stability of flow, make operating load be in continuously operation frequency conversion conveying gas of stable power save mode, can guarantee safety, and gas can promote that at the flow process stability of flow detach procedure is even.
Particularly, as shown in Figures 2 and 3, digital micromanometer 10 is installed to detect exhausted air quantity size in the still on the cracking still 13, be connected to the AI end of the I/O module 12 of PLC11 by digital micromanometer 1 road signal output, analog signals source as PLC11, adopt simultaneously TW two wire 4～20mA standard signal pressure sensor 9 to do signal source, detect oil and gas content in the still, this 4～20mA standard signal is by the collected PLC11 controller of analog input module of PLC11, in the present embodiment, PLC11 adopts S7-200 series CPU and the I/O module 12 of Siemens, as controller and analog input and output interface, the PLC11 controller CPU reads behind AI (analog input module) 4～20mA signal the size according to the AI signal, through computing and 2～10V control signal of exporting a correspondence relatively to AO port (analog output module).The curve of having set by program, the PLC11 controller is set the PID regulative mode for according to the output frequency of directly controlling frequency converter 14 near the control signal of a 4～20mA of the control curve of program setting output, realize water ring vacuum pump 7 along with the represented exhausted air quantity size of the height of still internal pressure value automatically control extract the flow velocity of waste gas.Frequency converter 14 is set in Terminal control, analog quantity 2～10V control mode, and larger frequency converter 14 output frequencies of control signal are larger, otherwise then less.
PLC11 and frequency converter 14 automatic control processes:
As shown in Figure 2, the differential manometer that pressure sensor 9 band numeral demonstrations are installed on the cracking still 13 can detect oil gas tolerance size in the still, and the force value of the large-minded little generation of oil gas can be converted to the output of 4～20mA standard signal, this signal is by the collected PLC11 controller of analog input module of PLC11, the control curve of then having set with program compares, the PLC11 controller can be exported the control signal of a 4～20mA, signal is by the I/O output module, this signal is converted into the analog signal control end of the d. c. voltage signal access frequency converter 14 of 2 corresponding～10V, with the V10 of frequency converter 14, after analog input control is set in the control source of GND control end for.Exhausted air quantity hour its pressure is less than low signal value in still, the control signal of PLC11 controller output is also little, at frequency converter 14V10, the dc voltage value of GND control end is also little, the slow speed that it extracts waste gas of the motor speed of the low water ring vacuum pump 7 of frequency converter 14 output frequencies is slow, otherwise the oil and gas content that produces when accelerating along with cracking still 13 temperature rising heat scission reaction speed is on the increase, also accordingly how exhausted air quantity wherein, just need fast its extraction, at this moment will strengthen water ring vacuum pump 7 exhaust capacitys, the speed way of control raising water ring vacuum pump 7 is exactly the rising by still internal pressure value, the differential manometer output signal increases, the signal that PLC11 receives increases the output control signal and also increases, so at frequency converter 14V10, the frequency that GND control signal voltage also increases frequency converter 14 outputs has increased, the motor speed of water ring vacuum pump 7 just improves thereupon, it is large that the ability that water ring vacuum pump 7 vacuumizes becomes, and the flow velocity of waste gas is with regard to corresponding raising.Whole control procedure PLC11 is that the mode of regulating with PID is according to the output frequency of directly controlling frequency converter 14 near the control curve of program setting, realize that water ring vacuum pump 7 is along with the height of the big or small institute corresponding pressure value of oil and gas content generation in the still is controlled rotating speed automatically, the method of this employing closed-loop control can access the still internal pressure and remain little negative pressure, just guaranteed that cracking still 13 has any to leak and also is unlikely to oil gas is emitted outward even keep cracking still 13 to be always negative pressure, it is poisonous to have stopped the production scene, the generation of odorous gas realizes that complete equipment is the again purpose of safety of environmental protection.
This shows, this automatic control core technology is exactly PLC11 and the frequency converter 14 automatic rotating speeds of controlling water ring vacuum pumps 7 in the use device, utilized simultaneously surge tank 2 to make the flow velocity of waste gas reach stable, improve cracking still 13 environmental protection and security performance, desulfurized effect obviously improves behind the waste gas flow speed stability, adopts recycling technology low without waste water generation, energy loss.
Particularly, as shown in Figure 1, described separatory is filled with inside and is provided with filter cigarette grid G S1, by solid dust and the tarry matters in smoke that contain in the described waste gas of described filter cigarette grid G S1 filtering.
Present embodiment has adopted minute flow container 3 interior liquid to remove the solid dust that contains in the waste gas, adopt the floating oil smoke in the simple filter cigarette grid eliminating waste gas, in the suitable height situation of the liquid level of control minute flow container 3, the oil smoke oil bloom that float on liquid level are flow in the purification pot 4, the purpose that reclaims this part Residual oil mainly is to clean the imflammable gas of recovery, reduce combustion gas and cause the tracheae plugging fault at pipe conveying procedure because these oil smoke are detained in pipeline, present embodiment adopts the processing of minute flow container 3 to make solid dust and can separate fully at waste gas with the elegant tarry matters in smoke of waste gas.
Particularly, as shown in Figure 1, described spray element PL1 is annular, and described spray element PL1 surface is provided with the micropore that evenly gathers, and by described noncorrosive pump 8 alkali lye is pressurizeed so that the vaporific alkali lye that sprays on the micropore of described spray element PL1.In the present embodiment, by annular micropore spray and the noncorrosive pump 8 circulation pressing technologies in the digester 5, processed gas can fully be merged with alkali lye reach the effect that improves desulfurization, disposal ability is according to actual waste gas generation design system ability.
As preferably, annular spray element PL1 adopts the simmering and bending of stainless steel tube material to form, and be provided with connecing soon of a DN20 at pipe, can be connected to very easily on the alkali liquor pipe, the application that connects soon is so that annular spray element PL1 is easy to dismounting more, simultaneously, be densely covered with the micropore of 2.5mm at the pipe surface uniform, when being pressurized to 0.3～0.4MPa with alkali lye, goes by noncorrosive pump 8, the alkali lye that sprays on the micropore is vaporific, so that alkali lye and processed waste gas fully merge, improved the effect of neutralization reaction, desulfurization work is more thorough.
Particularly, referring to shown in Figure 1, surge tank described in the present embodiment 2 is ￠ 1200 * 2600mm, described purification pot 4 is ￠ 440 * 600mm, flow container 3, described digester 5 and described safety can 6 were ￠ 600 * 1200mm in described minute, described surge tank 2, described minute flow container 3, described purification pot 4, described digester 5 and described safety can 6 are the vertical type installation and are a straight line and arrange, by said structure so that process pipelines is simple, apparatus structure is simple and direct, and each building block definite functions is conducive to operation.
Further, as shown in Figure 1, described emission-control equipment also comprises the first stop valve Va1, described the first stop valve Va1 is connected in parallel on the arrival end of described the second stop valve Va2 and the port of export of described the 3rd stop valve Va3, and described the first stop valve Va1 is used for regulating from described surge tank 2 to described minute flow container 3 gas flows.
The specification of described each part of device of present embodiment, material are selected as shown in table 1:
Table 1
| Label | Device name | | Material | Effect | |
| 2 | Surge tank | ￠1200×2600mm | Carbon steel | The waste |
|
| 3 | Divide flow container | ￠600×1200mm | Carbon steel | Solid dust in the eliminating |
|
| 4 | Purification pot | ￠440×600mm | Carbon steel | Collect remaining oil stain in |
|
| 5 | Digester | ￠600×1200mm | Carbon steel | The |
|
| 6 | Safety can | ￠600×1200mm | Carbon steel | Utilize the water seal mode to stop tempering | |
| 7 | Water ring vacuum pump | 2BV-5110 | Carbon steel | Vacuumize the adjustments of |
|
| 8 | Noncorrosive pump | FSB-20 | Tetrafluoro | The neutralizer pressurization | |
| Frequency converter | MCD320-055G | Regulate the Water-ring vacuum revolution speed | |||
| Digital micro manometer | -20～+20KPa | The still internal pressure detects and signal source | |||
| Va1 | Balanced valve | DN50 Pg16 | Carbon steel | Manual adjustments waste gas flow velocity |
At present, damaged tire can produce the gaseous material of the hydrocarbon of C1～C20 in thermal cracking processes, be exactly our common fuel oil and C5～C20 becomes liquid after condensation, it is collected the fuel oil collecting tank, there is simultaneously non-condensable gas C1～C5 of 5%～8% to be separated, just do not become waste gas by unordered discharging or empty burning of igniting the torch if these gaseous materials are proceeded to process to reclaim at present, and by after the device processing described in the utility model, these non-condensable gas are that the energy that a kind of imflammable gas can be used as the damaged tire thermal cracking is able to abundant recycling, this work namely guarantees the environmental protection of thermal cracking, safety problem provides a large amount of energy for thermal cracking again.
As shown in Figure 1, be applied to the technique of emission-control equipment in the waste and old rubber cracking, specifically comprise the steps:
1, with gas sampling in surge tank 2;
2, the waste gas in the surge tank 2 is through the pumping of vavuum pump 7 so that waste gas with the metastable speed of a kind of flow by a minute flow container 3,
3, contain a small amount of solid dust in the waste gas that flows and divide flow container 3 filterings with the elegant tarry matters in smoke warp of waste gas;
The solid dust of 4, bubbling through the water column and tarry matters in smoke flow to purification pot 4 through the 5th stop valve Va5;
5, waste gas continues to flow to digester 5, after the neutralization reaction of alkali lye wherein, becomes clean imflammable gas,
Particularly, waste gas passes through the spray element PL1 in the digester 5 and by the circulating pump pressurization limewash is formed vaporific, limewash is abundant in conjunction with producing neutralization reaction with the combustion gas that contains SO2 gas that flows in the digester 5, SO2+Ca (OH) 2=CaSO3+H2O ↓, the stability of its chemistry of the calcium sulfate substance that produces after the reaction and physics reaches the desulfurization purpose, last product is exactly gypsum, gypsum is a kind of water-fast stable material, can be used for the raw material that construction material and cement are made, if adopt in the buck and rear generation be that sodium sulfite Na2SO3 digester 5 can give the SO2 gas more than 90%
SO
2+2Na(OH)＝Na
2(SO
3)+H
2O
Dissolving just becomes clean imflammable gas through the material after the desulfurization, and the safety can 6 by water seal is sent to combustor uses that act as a fuel at last, adopts the combustion gas of sulfur removal technology processing can reduce in a large number sulfur content in the flue gas after burning;
6, this clean gas, uses as fuel to combustor behind safety can 6 through the 7th stop valve Va7.
Present embodiment can carry out environmental protection treatment with the waste gas that produces in the cracking, reaches safe recycling, plays the effect of energy-saving and emission-reduction; The multinomial technological processes such as described process using separation, purification, desulfurization are with micronic dust, SO in the gas
2, H
2The S composition is effectively removed the imflammable gas that becomes cleaning and is recovered utilization, has solved the needed most of energy of thermal cracking process; Added water ring vacuum pump 7 in the described device, can make the oil gas that produces in the cracking when condensation with gas, liquid effective separation and suck stably surge tank 2, improve gas flow rates and solved the defective that imflammable gas flow velocity shakiness causes combustor flame shakiness; Described water ring vacuum pump 7 adopts VFC to play the flow velocity that energy-saving effect can also be regulated imflammable gas simultaneously according to the gas output in the cracking and technological requirement adjusting rotary speed; Described digester 5 adopted the alkali lye circulated sprinkling can be fully and gas merge and improve desulfurized effect.
The utility model has adopted a brand-new process route to solve cracking waste gas safety, environment-friendly treatment method, the Effective Raise desulfuration efficiency, the simple in equipment floor space is little, cheap, process innovation is strong, can realize that industrialization recycles in junked tire, rubber and the Pyrolysis of Plastics Wastes still 13 waste gas of discharging continuously, reach and take full advantage of the energy, reduce toxic emission, energy-saving and emission-reduction are to meet the energy-conserving product of country's promotion and the New Equipments of " low-carbon economy " that state international organization advocates.
Desulfurized effect is obvious after reality has adopted device described in the utility model; imflammable gas in the waste gas is all recycled; detect through the flue gas of Shandong Province's environment protection and monitoring central station to discharging; toxic emission: the SO2 concentration of emission is 96mg/m3; SO2, NOx concentration of emission all meet (GB13271-2001) " emission standard of air pollutants for boilers ", and specific targets are as shown in table 2:
Table 2, damaged tire cracking exhaust gas constituents table: sample: tire hot cracking gas
The clean gas composition that finally decomposites is as shown in table 3:
Table 3, fuel gas constituent analysis unit: %
Annotate: calorific value unit is MJ/kg.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. emission-control equipment in the waste and old rubber cracking, it is characterized in that described device comprises surge tank, minute flow container, purification pot, digester, safety can, vavuum pump, noncorrosive pump, the second to the 8th stop valve, ball valve, gate valve, the first to the 5th blowoff valve, steam valve, gas respirator and explosion-proof apparatus;
Described surge tank is used for collecting waste gas, described surge tank is connected to described minute flow container through the second stop valve, described vavuum pump, described the 3rd stop valve, so that waste gas is pumped to described minute flow container through described vavuum pump by described surge tank, described surge tank top is provided with described gas respirator, described surge tank bottom is provided with the first blowoff valve, so that described surge tank blowdown;
Flow container was used for solid dust and tarry matters in smoke that the described waste gas of filtering contains in described minute, flow container top the 4th stop valve was connected to described digester in described minute, so that the exhaust-gas flow of described minute flow container is to described digester, flow container middle part the 5th stop valve was connected to described purification pot in described minute, so that the described solid dust of bubbling through the water column and described tarry matters in smoke flow to described purification pot through described the 5th stop valve, described separatory pot bottom is provided with the second blowoff valve, so that flow container blowdown in described minute, be parallel with steam valve between described minute flow container and the described purification pot, to get rid of residual flue dust and grease in described minute flow container and the described purification pot steam;
Described purification pot is used for collecting described solid dust and described tarry matters in smoke, and the bottom of described purification pot is provided with described the 3rd blowoff valve, so that described purification pot blowdown;
Described digester is in order to become described waste gas clean imflammable gas after alkali lye neutralization reaction wherein, described digester is provided with alkali liquor circulating system, described alkali liquor circulating system comprises described the 6th stop valve that is connected in turn by pipeline, described noncorrosive pump, described gate valve, described ball valve, described the 8th stop valve and spray element, wherein said ball valve is that alkali lye injects the mouth of pipe, described digester is connected to described safety can through described the 7th stop valve, so that the imflammable gas of described cleaning is delivered to described safety can, described digester bottom is provided with the 4th blowoff valve;
Described safety can is used for depositing the imflammable gas of described cleaning, and the top of described safety can is provided with described explosion-proof apparatus, and the bottom of described safety can is provided with described the 5th blowoff valve, and described safety can is provided with the fuel gas outlet.
2. emission-control equipment in the waste and old rubber cracking as claimed in claim 1 is characterized in that, described vavuum pump is water ring vacuum pump, and by PLC and Frequency Converter Control.
3. emission-control equipment in the waste and old rubber cracking as claimed in claim 1 is characterized in that, described separatory is filled with inside and is provided with filter cigarette grid, by solid dust and the tarry matters in smoke that contain in the described waste gas of described filter cigarette grid filtering.
4. emission-control equipment in the waste and old rubber cracking as claimed in claim 1, it is characterized in that, described spray element is annular, and described spray element surface is provided with the micropore that evenly gathers, and by described noncorrosive pump alkali lye is pressurizeed so that the vaporific alkali lye that sprays on the micropore of described spray element.
5. emission-control equipment in the waste and old rubber cracking as claimed in claim 1, it is characterized in that, described surge tank is ￠ 1200 * 2600mm, described purification pot is ￠ 440 * 600mm, flow container, described digester and described safety can were ￠ 600 * 1200mm in described minute, and described surge tank, described minute flow container, described purification pot, described digester and described safety can are the vertical type installation and are a straight line and arrange.
6. such as emission-control equipment in the described waste and old rubber cracking of each claim of claim 1-5, it is characterized in that, described emission-control equipment also comprises the first stop valve, described the first stop valve is connected in parallel on the arrival end of described the second stop valve and the port of export of described the 3rd stop valve, and described the first stop valve is used for regulating from described surge tank to described minute flow container gas flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220323062 CN202803097U (en) | 2012-07-04 | 2012-07-04 | Waste gas treatment device in waste and old rubber and plastic cracking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220323062 CN202803097U (en) | 2012-07-04 | 2012-07-04 | Waste gas treatment device in waste and old rubber and plastic cracking process |
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| CN202803097U true CN202803097U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220323062 Expired - Lifetime CN202803097U (en) | 2012-07-04 | 2012-07-04 | Waste gas treatment device in waste and old rubber and plastic cracking process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854344A (en) * | 2018-06-25 | 2018-11-23 | 昆明尔康科技有限公司 | A kind of spray thrower for gas purification and gas purification spray system |
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2012
- 2012-07-04 CN CN 201220323062 patent/CN202803097U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854344A (en) * | 2018-06-25 | 2018-11-23 | 昆明尔康科技有限公司 | A kind of spray thrower for gas purification and gas purification spray system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170413 Address after: Seven Futian District Science Park Road Tairan Tairan 518040 Sha Tau Street in Shenzhen city of Guangdong Province, 206 East Building 3 layer 378 Patentee after: Shenzhen Huayong Environmental Engineering Co.,Ltd. Address before: Chinese new territories of Hongkong tin Chung court Songqi Ge 208 Co-patentee before: Chen Xiangjun Patentee before: Zhuo Shouyong |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |