CN207210234U - Segmented sludge dry system - Google Patents

Segmented sludge dry system Download PDF

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Publication number
CN207210234U
CN207210234U CN201720956611.2U CN201720956611U CN207210234U CN 207210234 U CN207210234 U CN 207210234U CN 201720956611 U CN201720956611 U CN 201720956611U CN 207210234 U CN207210234 U CN 207210234U
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sludge
air
dry
operating room
wind cabinet
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乐恒香
谢丁中
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Dongguan Green Leather Environmental Protection Technology Co Ltd
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Dongguan Green Leather Environmental Protection Technology Co Ltd
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Abstract

It the utility model is related to sludge treatment field, more particularly to segmented sludge dry system, including the mud-pressing mechanism for being dehydrated to sludge, extrusion body, conveying mechanism, steam drying mechanism, the heat pump drying mechanism for carrying out redrying to sludge, the Pintsch process mechanism for carrying out Pintsch process to sludge for sludge dry for the first time;The extrusion body is located at below mud-pressing mechanism, conveying mechanism is located at the lower section of extrusion body, steam drying mechanism and heat pump drying mechanism, and conveying mechanism is connected to steam drying mechanism by the first admission line and the first outlet pipe, conveying mechanism is connected to heat pump drying mechanism by the second admission line and the second outlet pipe, and conveying mechanism is connected to Pintsch process mechanism away from one end of extrusion body.The utility model energy-conserving and environment-protective, gas circulation are supplied and sludge are handled by dry-heat air, drying efficiency is high.

Description

Segmented sludge dry system
Technical field
Sludge treatment field is the utility model is related to, more particularly to segmented sludge dry system.
Background technology
Improved as Re-search on Urbanization is horizontal, urban wastewater treatment amount increases, and needs the sludge quantity of safe handling increasingly to increase. By in by the end of March, 2014, China cities and towns are accumulative builds up sewage treatment plant 3622, the m3/d of sewage treatment capacity about 1.53 hundred million, The sludge yield of 80% moisture content is more than 30,000,000 t;2015, China produced sludge (80% moisture content) total amount per year and reaches 3359 Ten thousand t;Expect 2018, the sludge yield of 80% moisture content will further break through 40,000,000 t.
Subsequent products of the sludge as sewage disposal, it is the concentration of dirty water pollutant in fact, there is moisture content height, composition The features such as complicated, containing a large amount of fatal microorganisms, and the characteristics of easily cause secondary pollution, so if can not sludge is thorough Disposal, just loses the meaning of sewage disposal, and the moisture content of sludge only drops to the moisture in sludge about 80% or so After below 30%-16%, sludge can just obtain further effectively utilization, such as burning electricity generation or system fertilizer.
Traditional sludge processing includes the modes such as burning, landfill, compost, burns because the high economy of moisture percentage in sewage sludge is bad and holds The materials such as bioxin are also easy to produce, land occupation is filled and easily causes secondary pollution, should not directly be used containing heavy metal in sludge In compost.
Therefore in the prior art typically by drying equipment drying to remove the moisture in sludge, specifically, passing through drying Wind to Sludge Surface, accelerate the air flow of Sludge Surface so that sludge water content is evaporated, but on the one hand, in drying During wind produces, fresh air is directly discharged from the external world, dried obtained moistening cold wind, is unfavorable for energy-conserving and environment-protective, and not Gas circulation is realized, second aspect is simple by accelerating this method of Sludge Surface air flow that sludge is dried, and dries It is less efficient.The third aspect, it is dried more using a kind of mode, is unfavorable for energy-conserving and environment-protective.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of energy-conserving and environment-protective, gas circulation supply and passes through drying The segmented sludge dry system that hot blast is handled sludge, drying efficiency is high.
Technical scheme is used by the utility model:Segmented sludge dry system, including for being taken off to sludge The mud-pressing mechanism of water, the single lead screw ex truding briquetting machine for the block or powdered or mud shape sludge after dehydration to be extruded to sludge into strips Structure, the conveying mechanism for conveying sludge, for carrying out steam drying mechanism dry for the first time to sludge, for being carried out to sludge The heat pump drying mechanism of redrying, the Pintsch process mechanism for carrying out Pintsch process to sludge;The extrusion body Below mud-pressing mechanism, conveying mechanism is located at the lower section of extrusion body, steam drying mechanism and heat pump drying mechanism, and Conveying mechanism is connected to steam drying mechanism by the first admission line and the first outlet pipe, and conveying mechanism passes through the second air inlet Pipeline and the second outlet pipe are connected to heat pump drying mechanism, and conveying mechanism is connected to high temperature away from one end of extrusion body Crack mechanism.
To being further improved to for above-mentioned technical proposal, the extrusion body includes the first operating room, is opened in the Charging aperture at the top of one operating room, it is used for sludge extruding squeeze unit into strips, single positioned at extruding below charging aperture The gear unit of first side, the feed opening positioned at the first chamber bottom and above conveying mechanism;The squeeze unit bag The first extruding wheel for include two the first axostylus axostyles be arrangeding in parallel and the second axostylus axostyle, being sheathed on outside the first axostylus axostyle and it is sheathed on the second axle The second extruding wheel outside bar;The first extruding wheel end face staggeredly forms the first race and first gear teeth, and described second squeezes The end face of pinch roller staggeredly forms the second race and second gear teeth, and first race is corresponding with second gear teeth and leaves gap, Second race is corresponding with first gear teeth and leaves gap;The gear unit includes gear train and driving group, the tooth Wheel group includes first gear, second gear, driving wheel and driven pulley.
To being further improved to for above-mentioned technical proposal, the first gear is arranged the one end for being fixed on the first axostylus axostyle, institute State second gear and be arranged and be fixed on that the second axostylus axostyle is corresponding with first gear, and the driven pulley is arranged is fixed on the second axostylus axostyle one End, the driving wheel are fixedly installed in drive mechanism, and driving wheel is connected with driven pulley by transmission belt;The extrusion forming Mechanism also includes adjustment unit, and the adjustment unit includes adjusting part and drives the Power Component of adjusting part motion;It is described Adjusting part includes guide rail, slide unit and adjusting rod, and the slide unit is slidably mounted on guide rail, and slide unit is connected with actuating unit, The quantity of the adjusting rod is at least one, and adjusting rod is fixedly installed in slide unit;The adjusting rod extend to the first extruding wheel and The staggered place of second extruding wheel.
To being further improved to for above-mentioned technical proposal, the steam drying mechanism includes the second operating room, is arranged at the In two operating rooms producing the condensation wind cabinet of dry cold wind and to produce the heating wind cabinet of dry-heat air, be connected to condensation Airduct between wind cabinet and heating wind cabinet, in addition to be connected to condensation wind cabinet and heat the control unit of wind cabinet;The condensating wind Cabinet includes being opened in the condensation air inlet of condensation wind cabinet side wall, the condensation air outlet for being opened in condensation wind cabinet opposite side wall, position Heat exchanger and the first blower fan inside condensation wind cabinet, the heating wind cabinet include being opened in the heating of the heating side wall of wind cabinet one Air inlet, the heating air outlet for being opened in heating another side wall of wind cabinet, the steam generator and second inside heating wind cabinet Blower fan, the both ends of the airduct are connected to condensation air outlet and heating air inlet;Described control unit is electrically connected to hot friendship Parallel operation, the first blower fan, steam generator and the second blower fan are to be controlled.
To being further improved to for above-mentioned technical proposal, under the control of described control unit, in the steam generator The temperature of caused steam is less than 90 DEG C;The heating air inlet and condensation air inlet are equipped with the screen pack for filtering; The steam drying mechanism also dissipates including being connected to condensation wind cabinet by water pipe in the first operating room for what is radiated Hot blast cabinet;The radiating wind cabinet includes being arranged at the water inlet and delivery port of radiating wind cabinet side wall, is arranged inside radiating wind cabinet And the hot channel between water inlet and delivery port is communicated in, for the 3rd wind to be radiated to the liquid in hot channel Machine;The water inlet and delivery port are communicated in the heat exchanger of condensation wind cabinet by water pipe;Described control unit is electrically connected to 3rd blower fan is to be controlled.
To being further improved to for above-mentioned technical proposal, the heat pump drying mechanism includes the 3rd operating room, is arranged at the The fresh wind port that is used at the top of two operating rooms introduce in outside air to the second operating room, it is arranged at the 3rd operating room's side wall and is used for the The exhaust outlet of three work room air discharges, it is arranged at time being used at the top of the 3rd operating room with air exchange in the 3rd operating room Air port, it is arranged at the brethaid being connected in the 3rd operating room and with return air inlet;Use is additionally provided with 3rd operating room The drying heating device of heating is dried in fresh air and return air in the 3rd operating room, and the exhaust outlet connects dry heat Equipment is so that the dry-heat air after dry heat is expelled to outside the 3rd operating room.
To being further improved to for above-mentioned technical proposal, the fresh wind port and return air inlet are provided with for entering the 3rd The screen pack that air in operating room is filtered;Also include being arranged in the 3rd operating room and be used to introduce fresh air by fresh wind port Air-introduced machine and for by exhaust outlet discharge dry-heat air air blower.
To being further improved to for above-mentioned technical proposal, the brethaid includes the interior in the 3rd operating room Machine, the outdoor unit outside the 3rd operating room, the outlet pipe for connecting indoor set and outdoor unit.
To being further improved to for above-mentioned technical proposal, the drying heating device includes the first drying group being sequentially connected Part, the second dry component and heating component, in addition to the compressor positioned at the first dry component side, the compressor is first by the Moistening cold wind in two operating rooms, which is compressed, to be changed into moistening warm air, and first dry component and the second dry component are right successively The moistening warm air of the air compressor processing of warp dry for the first time and dried for second to remove the moisture in moistening warm air Obtain drying warm air, the heating component through dry drying warm air to being heated to obtain dry-heat air.
To being further improved to for above-mentioned technical proposal, environmentally friendly refrigerant is provided with the compressor.
The beneficial effects of the utility model are:
On the one hand, in the utility model, by extrusion body by block or powdered or mud shape not of uniform size Sludge extrudes sludge into strips, adds the total surface area of sludge so that sludge is through follow-up steam drier, heat pump drying When mechanism and Pintsch process mechanism, fully contacted with dry-heat air, drying efficiency is high.Second aspect, sludge is in advance through pressing mud machine Structure is dehydrated, and the strip sludge for extruding to obtain after dehydration is delivered to steam drying mechanism, heat pump drying through conveying mechanism successively Mechanism and Pintsch process mechanism, are dried successively, when processing is dried to sludge, first pass through mud-pressing mechanism tentatively to dirt Mud is dehydrated, and can be considered dry first, water content is reduced into 80% or so from 98%, then produce by steam drying mechanism Sludge is dried for dry-heat air, dry-heat air, sludge moisture content is reduced into 40% or so, then pass through heat pump drying mechanism Dry-heat air is produced, sludge moisture content is reduced to 10% or so, is 10% to water content finally by Pintsch process mechanism Sludge carries out Pintsch process, thoroughly removes the moisture in sludge, sludge is converted into carbon black, realizes the recycling of sludge, Be advantageous to economize on resources.The third aspect, for the sludge of different moisture content, sludge is dried using different drying modes, Be easy to every kind of drying mode to give full play to its drying effect, avoid individually use certain drying mode caused by dry it is not thorough or The drawbacks such as drying efficiency is low, such as when sludge moisture content is too high, dried using steam heat drying or heat pump, consume energy compared with Greatly, and using simple mud-pressing mechanism the partial moisture in sludge can be easily discharged, drying cost is low, and when sludge is aqueous For amount when dropping to 80%, now mud-pressing mechanism is difficult further reduces moisture, the method for heated-air drying need to be used come by hot blast and Heat exchange occurs for sludge and quickening Sludge Surface air flow carrys out drying, now produces dry-heat air using steam drying mechanism, It is because for the big sludge of water content, produces mutually synthermal dry-heat air, heat pump drier is compared in the power consumption of steam drying mechanism Structure power consumption is few, when sludge moisture content is reduced to 40% or so, further to reduce sludge moisture content, it is necessary to hot blast it is more, If continuing to be thermally formed dry-heat air using steam, the quantity of steam needed is big and pressure is big, big energy-consuming, therefore this section is using heat Pump drier come heat air formed dry-heat air, less energy intensive, when sludge moisture content is reduced to 10%, now either Steam drying mechanism or heat pump drying mechanism are only made with can not further reduce sludge moisture content by the way of Pintsch process Moisture inside sludge is understood so as to which sludge is changed into the carbon black that water content is 0, removes the moisture in sludge, volume drying completely Efficiency high, power consumption is low, is advantageous to energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the stereogram of extrusion body of the present utility model;
Fig. 3 is the perspective interior view of extrusion body of the present utility model;
Fig. 4 is the partial enlarged drawing of extrusion body of the present utility model;
Fig. 5 is the structure principle chart of steam drying mechanism of the present utility model;
Fig. 6 is the control principle drawing of steam drying mechanism of the present utility model;
Fig. 7 is the side view of the condensation wind cabinet of steam drying mechanism of the present utility model;
Fig. 8 is the top view of the condensation wind cabinet of steam drying mechanism of the present utility model;
Fig. 9 is the side view of the heating wind cabinet of steam drying mechanism of the present utility model;
Figure 10 is the top view of the heating wind cabinet of steam drying mechanism of the present utility model;
Figure 11 is the structural representation of the radiating wind cabinet of steam drying mechanism of the present utility model;
Figure 12 is the side view of heat pump drying mechanism of the present utility model;
Figure 13 is the rearview of heat pump drying mechanism of the present utility model;
Figure 14 is the top view of heat pump drying mechanism of the present utility model.
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
As shown in figure 1, it is structure principle chart of the present utility model.
Segmented sludge dry system 100, including the mud-pressing mechanism 110 for being dehydrated to sludge, for will dehydration Afterwards block or powdered or mud shape sludge extruding into strips the extrusion body 120 of sludge, for conveying the defeated of sludge Send mechanism 130, for carrying out steam drying mechanism 140 dry for the first time, the heat for carrying out redrying to sludge to sludge Pump drier 150, the Pintsch process mechanism 160 for carrying out Pintsch process to sludge.Extrusion body 120 is positioned at pressure mud The lower section of mechanism 110, conveying mechanism 130 are located at extrusion body 120, steam drying mechanism 140 and heat pump drying mechanism 150 Lower section, and conveying mechanism 130 is connected to steam drying mechanism by the first admission line 170a and the first outlet pipe 170b 140, conveying mechanism 130 is connected to heat pump drying mechanism 150 by the second admission line 180a and the second outlet pipe 180b, defeated Mechanism 130 is sent to be connected to Pintsch process mechanism 160 away from one end of extrusion body 120.
As shown in figs 2-4, stereogram, perspective interior view and the part of extrusion body respectively of the present utility model Enlarged drawing.
Extrusion body 120 include the first operating room 121, the charging aperture 122 for being opened in the top of the first operating room 121, It is used to sludge extruding squeeze unit 123 into strips, the transmission positioned at the side of squeeze unit 123 positioned at the lower section of charging aperture 122 Unit 124, the feed opening positioned at the bottom of the first operating room 121 and above conveying mechanism 130;Squeeze unit 123 includes two The the first axostylus axostyle 123a and the second axostylus axostyle 123b that be arranged in parallel, the first extruding wheel 123c being sheathed on outside the first axostylus axostyle 123a and The second extruding wheel 123d being sheathed on outside the second axostylus axostyle 123b;First extruding wheel 123c end faces staggeredly form the first race 123h and the first gear teeth 123e, the second extruding wheel 123d end face staggeredly form the second race 123f and the second gear teeth 123g, First race 123h is corresponding with the second gear teeth 123g and leaves gap 126, and the second race 123f is corresponding with the first gear teeth 123e And leave gap 126;Gear unit 124 includes gear train and driving group 124f, and gear train includes first gear 124a, the second tooth Take turns 124b, driving wheel 124c and driven pulley 124d.Block or powdered or mud shape sludge by dehydration is placed in into first to squeeze On pinch roller 123c and the second extruding wheel 123d, sludge meeting under the first extruding wheel 123c and the second extruding wheel 123d relative motion It is squeezed power to extrude in gap 126, thus, reduces the volume of sludge, the heated scope increase of sludge, and add sludge With the contact area of air, the speed of moisture evaporation is accelerated, and the time of drying process is greatly reduced, and improves dehumidifying desiccation effect Rate, reduce the environmental requirement of power cost and energy-saving and emission-reduction.
First gear 124a is arranged the one end for being fixed on the first axostylus axostyle 123a, and second gear 124b, which is arranged, is fixed on the second axle Bar 123b is corresponding with first gear 124a, and driven pulley 124d, which is arranged, is fixed on second axostylus axostyle 123b one end, and driving wheel 124c consolidates Dingan County is loaded on driving group 124f, driving wheel 124c and driven pulley 124d and is connected by transmission belt 124e;Extrusion body 120 also include adjustment unit 125, and adjustment unit 125 includes adjusting part and drives the cylinder 125d of adjusting part motion;Regulation Component includes guide rail 125a, slide unit 125b and adjusting rod 125c, and slide unit 125b is slidably mounted on guide rail 125a, and slide unit 125b is with moving Force mechanisms are connected, and adjusting rod 125c quantity is at least one, and adjusting rod 125c is fixedly installed in slide unit 125b;Adjusting rod 125c extends to the first extruding wheel 123c and the second extruding wheel 123d staggered place.Provided with adjustment unit 125, sludge volume compared with When big, by the adjusting rod 125c of adjustment unit 125 reciprocating motion, by sludge conditioning to a suitable angle, it is easy to squeeze Pressure unit 123 extrudes sludge, forms the strip sludge of small volume, increases the contact area of sludge and air, accelerates moisture Evaporation, further improve drying efficiency.
As shown in Fig. 5-Fig. 6, the structure principle chart and control principle drawing of steam drying mechanism respectively of the present utility model.
Steam drying mechanism 140 include the second operating room 141, be arranged in the second operating room 141 producing drying The condensation wind cabinet 142 of cold wind and to produce the heating wind cabinet 143 of dry-heat air, be connected to condensation wind cabinet 142 and heating wind cabinet Airduct 144 between 143, in addition to be connected to condensation wind cabinet 142 and heat the control unit 145 of wind cabinet 143.
As shown in Figs. 7-8, the side view and vertical view of the condensation wind cabinet of steam drying mechanism respectively of the present utility model Figure.
Condensation wind cabinet 142 includes being opened in the condensation air inlet 142a of the condensation side wall of wind cabinet 142 1, is opened in condensation wind cabinet Condensation air outlet 142b, the heat exchanger 142c and the first blower fan 142d inside condensation wind cabinet 142 of 142 another side walls.
As shown in Fig. 9-Figure 10, the side view and vertical view of the heating wind cabinet of steam drying mechanism respectively of the present utility model Figure.
Heating wind cabinet 143 includes being opened in the heating air inlet 143a of the heating side wall of wind cabinet 143 1, is opened in heating wind cabinet Heating air outlet 143b, the steam generator 143c and the second blower fan inside heating wind cabinet 143 of 143 another side walls 143d, the both ends of airduct 144 are connected to condensation air outlet 142b and heating air inlet 143a;Control unit 145 electrically connects In heat exchanger 142c, the first blower fan 142d, steam generator 143c and the second blower fan 143d to be controlled.In steam drying In mechanism 140, cold wind progress preliminarily dried will be moistened by first passing through condensation wind cabinet 142, under heat exchanger 142c condensation Formed and dry cold wind, dried cold wind and condensation wind cabinet 142 is blown out in the presence of the first blower fan 142d, into heating wind cabinet 143, lead to Cross steam generator 143c and produce steam to be heated to drying cold wind, form dry-heat air, dry-heat air is in the second blower fan Blowout heating wind cabinet 143 in the presence of 143d, into sludge lay down location so that sludge to be dried, when dry-heat air is blown to sludge During surface, heat exchange occurs with sludge rapidly, while accelerates Sludge Surface air flow, is advantageous to improve drying sludge efficiency; Fourth aspect, through the utility model formed dry-heat air in without new impurity, non-secondary pollution, be advantageous to environmental protection.
Under the control of control unit 145, the temperature of caused steam is less than 90 DEG C in steam generator 143c so that warp The temperature for the dry-heat air that steam is thermally formed is 80 DEG C or so, prevents temperature too high and produces and can wave when sludge is dried Hair property gas and cause environmental pollution, be further advantageous to environmental protection.
The screen pack 157 for filtering is equipped with heating air inlet 143a and condensation air inlet 142a, passes through screen pack 157 filter off the impurity in air, ensure to enter condensation wind cabinet 142 and heat the cleanliness factor of the fresh air in wind cabinet 143, prevent secondary Pollution so that the utility model is more environmentally-friendly.
As shown in figure 11, for steam drying mechanism of the present utility model radiating wind cabinet structural representation.
Steam drying mechanism 140 also includes being connected to condensation wind cabinet 142 in the second operating room 141 for being radiated Radiating wind cabinet 147;Radiating wind cabinet 147 includes being arranged at the water inlet 147a and delivery port 147b of the radiating side wall of wind cabinet 147, if The inside of radiating wind cabinet 147 and the hot channel 147c being communicated between water inlet 147a and delivery port 147b are placed in, for dissipating The 3rd blower fan 147d that liquid in hot channel 147c is radiated;Water inlet 147a and delivery port 147b pass through water pipe 146 It is communicated in the heat exchanger 142c of condensation wind cabinet 142;Control unit 145 is electrically connected to the 3rd blower fan 147d to be controlled.It is cold Condensed water temperature rise after heat exchange occurs for the gas with condensing in wind cabinet 142 in the heat exchanger 142c of solidifying wind cabinet 142, Water after temperature rise enters the water inlet 147a of radiating wind cabinet 147 through water pipe 146, is carried out in the presence of the 3rd blower fan 147d The air-cooled condensed water that to reduce its temperature, temperature reduces is expelled in condensation wind cabinet 142 through delivery port 147b and water pipe 146, shape Into the recycling of condensed water, while ensure to condense the condensation efficiency of wind cabinet 142, be further advantageous to energy-conserving and environment-protective and improve whole The drying efficiency of body.
As shown in Figure 12-Figure 14, side view, rearview and the vertical view of heat pump drying mechanism respectively of the present utility model Figure.
Heat pump drying mechanism 150 includes the 3rd operating room 151, is arranged at the top of the 3rd operating room 151 for introducing the external world Fresh wind port 152 in air to the 3rd operating room 151, be arranged at the side wall of the 3rd operating room 151 be used for it is empty in the 3rd operating room 151 The exhaust outlet 153 of gas discharge, the top of the 3rd operating room 151 is arranged at for the return air with air exchange in the 3rd operating room 151 Mouth 154, it is arranged at the brethaid 155 being connected in the 3rd operating room 151 and with return air inlet 154;In 3rd operating room 151 It is additionally provided with the drying heating device 156 for the fresh air in the 3rd operating room 151 and return air being dried heating, exhaust outlet 153 connect drying heating devices 156 so that the dry-heat air after dry heat is expelled to outside the 3rd operating room 151.Heat pump is done In dry mechanism 150, on the one hand, introduce fresh air by fresh wind port 152, work is realized by return air inlet 154 and brethaid 155 The gas of indoor and outdoor swaps, and using fresh air add-back wind pattern, is advantageous to improve the air quality in operating room, avoids to dirt New impurity, non-secondary pollution are introduced when mud is dried;Second aspect, by drying heating device 156 in operating room Moistening cold wind is handled so that the air discharged through exhaust outlet 153 is dry-heat air, when dry-heat air is blown to Sludge Surface When, heat exchange occurs with sludge rapidly, while accelerate Sludge Surface air flow, be advantageous to improve drying sludge efficiency.
Fresh wind port 152 and return air inlet 154 are provided with for being filtered to entering the air in the 3rd operating room 151 Screen pack 157, the impurity in air is filtered off by screen pack 157, ensure fresh air and the return air entered in the 3rd operating room 151 Cleanliness factor, prevent secondary pollution so that the utility model is more environmentally-friendly.
Also include being arranged in the 3rd operating room 151 and be used to introduce the air-introduced machine 158 of fresh air by fresh wind port 152 and be used for The air blower 159 of dry-heat air is discharged by exhaust outlet 153, accelerates fresh air to enter by air-introduced machine 158, passes through air blower 159 Accelerate the discharge of dry-heat air so that air flow is fast in the 3rd operating room 151, is advantageous to improve drying sludge efficiency.
Brethaid 155 includes indoor set 155a in the 3rd operating room 151, outside the 3rd operating room 151 Outdoor unit, connection indoor set 155a and outdoor unit outlet pipe 155b, indoor set 155a remove room air in moisture, lead to Cross outlet pipe 155b to discharge through outdoor unit, play a part of preliminarily dried, reduce air moisture content, be advantageous to improve drying sludge Efficiency.
Drying heating device 156 includes the first dry component 156a, the second dry component 156b and the heating being sequentially connected Component 156c, in addition to the compressor 156d positioned at the first dry component 156a sides, compressor 156d is first by the 3rd operating room Moistening cold wind in 151, which is compressed, to be changed into moistening warm air, and the first dry component 156a and the second dry component 156b are right successively The moistening warm air of the air compressor 156d processing of warp dry for the first time and dried for second to remove in moistening warm air Moisture is obtained drying warm air, and heating component 156c through dry drying warm air to being heated to obtain dry-heat air.Compressor 156d releases heat and air themperature is raised during being compressed to air, meanwhile, air in compressor 156d and Circulated between first dry component 156a, air realizes that gas follows between compressor 156d and the second dry component 156b Ring, while dry heat efficiency is improved, the circulation-supplied of energy is realized, is advantageous to energy-conserving and environment-protective.Gas is dried through first Component 156a and the second dry component 156b are dried twice, and moisture content is low, are advantageous to improve drying efficiency.
Environmentally friendly refrigerant is provided with compressor 156d, compression efficiency is improved by environmentally friendly refrigerant, while air will not be caused Pollution, further increases environmental protection and energy saving of the present utility model.
On the one hand, in the utility model, by extrusion body 120 by block or powdered or mud not of uniform size Shape sludge extrudes sludge into strips, adds the total surface area of sludge so that sludge is through follow-up steam drier 140, warm When pump drier 150 and Pintsch process mechanism 160, fully contacted with dry-heat air, drying efficiency is high.Second aspect, sludge It is dehydrated in advance through mud-pressing mechanism 110, the strip sludge for extruding to obtain after dehydration is delivered to steam successively through conveying mechanism 130 Drier 140, heat pump drying mechanism 150 and Pintsch process mechanism 160, are dried successively, sludge are being dried place During reason, first pass through mud-pressing mechanism 110 and tentatively sludge is dehydrated, can be considered dry first, water content is reduced to from 98% 80% or so, then dry-heat air is produced by steam drying mechanism 140, sludge is dried dry-heat air, and sludge is aqueous Amount is reduced to 40% or so, then produces dry-heat air by heat pump drying mechanism 150, and it is left that sludge moisture content is reduced into 10% The right side, Pintsch process is carried out to the sludge that water content is 10% finally by Pintsch process mechanism 160, thoroughly removes the water in sludge Point, sludge is converted into carbon black, realizes the recycling of sludge, is advantageous to economize on resources.The third aspect, for different water cut The sludge of amount, sludge is dried using different drying modes, is easy to every kind of drying mode to give full play to its drying effect, keeps away Exempt to dry the drawbacks such as not thorough or drying efficiency is low caused by individually using certain drying mode, such as when sludge moisture content is too high When, dried using steam heat drying or heat pump, power consumption is larger, and uses simple mud-pressing mechanism 110 can be easily The partial moisture in sludge is discharged, drying cost is low, and when sludge moisture content drops to 80%, now mud-pressing mechanism 110 is difficult Moisture is further reduced, heat exchange need to be occurred by hot blast and sludge and accelerate Sludge Surface sky using the method for heated-air drying Flow of air carrys out drying, now produces dry-heat air using steam drying mechanism 140, is because for the big sludge of water content, production Raw mutually synthermal dry-heat air, steam drying mechanism 140 consume energy fewer than the power consumption of heat pump drier 150, work as sludge moisture content When being reduced to 40% or so, further to reduce sludge moisture content, it is necessary to hot blast it is more, if continuing to be thermally formed using steam Dry-heat air, then the quantity of steam needed is big and pressure is big, big energy-consuming, therefore this section heats sky using heat pump drying mechanism 150 Gas formed dry-heat air, less energy intensive, when sludge moisture content is reduced to 10%, now either steam drying mechanism 140 or Heat pump drying mechanism 150 is only made inside sludge with can not further reduce sludge moisture content by the way of Pintsch process Moisture is understood so as to which sludge is changed into the carbon black that water content is 0, removes the moisture in sludge, volume drying efficiency high, consumption completely Can be low, be advantageous to energy-conserving and environment-protective.
Operation principle of the present utility model is:
First, the higher sludge of water content is dehydrated through mud-pressing mechanism 110, and water content is reduced into 80% left side by 98% The right side, the block or powdered or mud shape sludge after dehydration enter extrusion body 120.
Then, sludge enters inside the first operating room 121 from charging aperture 122, drops down onto squeeze unit 123 under gravity On, driving group 124f and actuating unit work, motor and pneumatic cylinder is worked, drive the first axostylus axostyle 123a to rotate, pass through The first gear 124a and second gear 124b engaged transmissions for being installed on the first axostylus axostyle 123a make the second axostylus axostyle 123b and first axle Bar 123a relative motions, make the first extruding wheel 123c and the second extruding wheel 123d relative motions, and pneumatic cylinder drives slide unit 125b to exist Moved back and forth on guide rail 125a, the adjusting rod 125c for making to be fixed on slide unit 125b is in first gear 124a and second gear 124b Junction move back and forth;Now, the moist sludge after dehydration is placed in the first extruding wheel 123c's and the second extruding wheel 123d Junction, under the first extruding wheel 123c and the second extruding wheel 123d relative motion, moist sludge can receive two extruding The extruding of wheel is extruded at the gap 126 that the first extruding wheel 123c and the second extruding wheel 123d join, the sludge of extrusion into strips, When the volume of sludge is larger to be difficult to be extruded, reciprocating adjusting rod 125c can constantly stir sludge, make sludge conditioning The angle being easily extruded to one, ensure that it can be extruded to form strip, increase the contact area of sludge and air, accelerate water The evaporation divided.
Then, the sludge extruded into strips through extrusion body 120 falls under gravity, is dropped down onto after feed opening On conveying mechanism 130.
Subsequently, sludge is delivered to the lower section of steam drying mechanism 140 by conveying mechanism 130, and conveying mechanism 130, first enter Feed channel 170a and the first outlet pipe 170b, steam drying mechanism 140 form first gas circulation, specially steam dryer In structure 140, condensation wind cabinet 142 will moisten cold wind and carry out preliminarily dried, and drying is formed under heat exchanger 142c condensation Cold wind, dry cold wind and condensation wind cabinet 142 is blown out in the presence of the first blower fan 142d, into heating wind cabinet 143, sent out by steam Raw device 143c produces steam to be heated to drying cold wind, forms dry-heat air, work of the dry-heat air in the second blower fan 143d Wind cabinet 143 is heated with lower blowout, is sentenced into conveying mechanism 130 and sludge is dried, when dry-heat air is blown to Sludge Surface When, heat exchange occurs with sludge rapidly, while accelerates Sludge Surface air flow, sludge is dried, sludge moisture content by 80% is reduced to 40% or so, and dry-heat air is changed into moistening cold wind after drying, and moistening cold wind is back in steam drying mechanism 140 The condensation wind cabinet 142 in portion, is circulated with this, forms the circulation-supplied of dry-heat air.While the condensation of wind cabinet 142 is condensed, condensation Condensed water temperature rise after heat exchange occurs for the gas with condensing in wind cabinet 142 in the heat exchanger 142c of wind cabinet 142, temperature Water after degree rise enters the water inlet 147a of radiating wind cabinet 147 through water pipe 146, enters sector-style in the presence of the 3rd blower fan 147d The cold condensed water that to reduce its temperature, temperature reduces is expelled in condensation wind cabinet 142 through delivery port 147b and water pipe 146, is formed The recycling of condensed water.In the process, control unit 145 is to heat exchanger 142c, the first blower fan 142d, steam generator 143c, the second blower fan 143d and the 3rd blower fan 147d are controlled, to control accurately entering for whole condensation, heating and radiation processes OK.
Subsequently, the sludge that water content is 40% or so is reached at heat pump drying mechanism 150, and conveying mechanism 130, second enter Feed channel 180a and the second outlet pipe 180b, steam drying mechanism 140 form second gas circulation, specifically, being done in heat pump In dry mechanism 150, moistening cold wind in outside air is in the presence of air-introduced machine 158 by fresh wind port 152 after filter screen 157 Into in the 3rd operating room 151, while the air in the 3rd operating room 151 passes through return air in the presence of brethaid 155 Mouth 154 exchanges with outside air, the air quality in the 3rd operating room 151 of raising, cleaner air outside the 3rd operating room 151 Entered by return air inlet 154 after filter screen 157 in the 3rd operating room 151;Then, the air for moistening cooling enters dry heat and set Standby 156 are treated as dry-heat air;Finally, in the presence of air blower 159, the dry-heat air in the 3rd operating room 151 is through row Air port 153 is expelled to outside the 3rd operating room 151, and dry-heat air contacts with the sludge on conveying mechanism 130, and dry-heat air accelerates Sludge Surface air flow, and heat exchange occurs with the moisture in sludge so that the moisture in sludge is quickly evaporated, to reduce dirt Moisture in mud, sludge water content is reduced to 10% from 40%, meanwhile, moisture is mingled in dry-heat air so that dry-heat air Humidity increase, temperature reduce, and are changed into moistening cold wind, moistening cold wind is through returning again in heat pump drying mechanism 150, again in heat Dry-heat air discharge is converted into pump drier 150.
Finally, the sludge that water content is 10% or so is reached at Pintsch process mechanism 160 with conveying mechanism 130, through high temperature Cracking thoroughly removes the moisture in sludge, carbon black is formed, to realize the recycling of sludge.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. segmented sludge dry system, it is characterised in that:Including the mud-pressing mechanism for being dehydrated to sludge, for that will take off The block or powdered or mud shape sludge extruding extrusion body of sludge, the conveying for conveying sludge into strips after water Mechanism, the steam drying mechanism for being dried for the first time to sludge progress, the heat pump drier for carrying out redrying to sludge Structure, the Pintsch process mechanism for carrying out Pintsch process to sludge;The extrusion body is located at below mud-pressing mechanism, conveying Mechanism is located at the lower section of extrusion body, steam drying mechanism and heat pump drying mechanism, and conveying mechanism passes through the first air inlet Pipeline and the first outlet pipe are connected to steam drying mechanism, and conveying mechanism is connected by the second admission line and the second outlet pipe Heat pump drying mechanism is connected to, conveying mechanism is connected to Pintsch process mechanism away from one end of extrusion body.
2. segmented sludge dry system according to claim 1, it is characterised in that:The extrusion body includes the One operating room, the charging aperture being opened at the top of the first operating room, it is used for sludge extruding squeezing into strips below the charging aperture Press unit, the gear unit positioned at squeeze unit side, the blanking positioned at the first chamber bottom and above conveying mechanism Mouthful;The squeeze unit includes two the first axostylus axostyles be arrangeding in parallel and the second axostylus axostyle, first be sheathed on outside the first axostylus axostyle squeezes Pinch roller and the second extruding wheel being sheathed on outside the second axostylus axostyle;The first extruding wheel end face staggeredly forms the first race and the One gear teeth, the end face of second extruding wheel staggeredly form the second race and second gear teeth, first race and the second wheel Tooth is corresponding and leaves gap, and second race is corresponding with first gear teeth and leaves gap;The gear unit includes gear Group and driving group, the gear train include first gear, second gear, driving wheel and driven pulley.
3. segmented sludge dry system according to claim 2, it is characterised in that:The first gear, which is arranged, to be fixed on One end of first axostylus axostyle, the second gear, which is arranged, is fixed on that the second axostylus axostyle is corresponding with first gear, and the driven pulley is arranged Second axostylus axostyle one end is fixed on, the driving wheel is fixedly installed in drive mechanism, and driving wheel is with driven pulley by being driven V belt translation Connection;The extrusion body also includes adjustment unit, and the adjustment unit includes adjusting part and driving adjusting part fortune Dynamic Power Component;The adjusting part includes guide rail, slide unit and adjusting rod, and the slide unit is slidably mounted on guide rail, slide unit with Actuating unit is connected, and the quantity of the adjusting rod is at least one, and adjusting rod is fixedly installed in slide unit;The adjusting rod prolongs Extend the staggered place of the first extruding wheel and the second extruding wheel.
4. segmented sludge dry system according to claim 1, it is characterised in that:The steam drying mechanism includes the Two operating rooms, be arranged in the second operating room to produce the condensation wind cabinet of dry cold wind and to produce dry-heat air plus Hot blast cabinet, it is connected to condensation wind cabinet and heats the airduct between wind cabinet, in addition to is connected to condensation wind cabinet and heats the control of wind cabinet Unit processed;The condensation wind cabinet includes being opened in the condensation air inlet of condensation wind cabinet side wall, is opened in condensation wind cabinet opposite side Condensation air outlet, the heat exchanger and the first blower fan inside condensation wind cabinet of wall, the heating wind cabinet, which includes being opened in, to be added The heating air inlet of the side wall of hot blast cabinet one, it is opened in and heats the heating air outlet of another side wall of wind cabinet, inside heating wind cabinet Steam generator and the second blower fan, the both ends of the airduct are connected to condensation air outlet and heating air inlet;The control Unit processed is electrically connected to heat exchanger, the first blower fan, steam generator and the second blower fan to be controlled.
5. segmented sludge dry system according to claim 4, it is characterised in that:In the control of described control unit Under, the temperature of caused steam is less than 90 DEG C in the steam generator;The heating air inlet and condensation air inlet are all provided with There is the screen pack for filtering;The steam drying mechanism also includes being connected to condensating wind by water pipe in the first operating room Cabinet is used for the radiating wind cabinet to be radiated;The radiating wind cabinet includes being arranged at the water inlet and delivery port of radiating wind cabinet side wall, It is arranged inside radiating wind cabinet and is communicated in the hot channel between water inlet and delivery port, for the liquid in hot channel The 3rd blower fan to be radiated;The water inlet and delivery port are communicated in the heat exchanger of condensation wind cabinet by water pipe;It is described Control unit is electrically connected to the 3rd blower fan to be controlled.
6. segmented sludge dry system according to claim 5, it is characterised in that:The heat pump drying mechanism includes the Three operating rooms, it is arranged at the fresh wind port for being used at the top of the second operating room introduce in outside air to the second operating room, is arranged at the Three operating room's side walls are used for the exhaust outlet of the 3rd work room air discharge, are arranged at the top of the 3rd operating room and are used for and the 3rd work Make the return air inlet of room air exchange, be arranged at the brethaid being connected in the 3rd operating room and with return air inlet;Described The drying heating device for the fresh air in the 3rd operating room and return air being dried heating is additionally provided with three operating rooms, it is described Exhaust outlet connects drying heating device so that the dry-heat air after dry heat is expelled to outside the 3rd operating room.
7. segmented sludge dry system according to claim 6, it is characterised in that:The fresh wind port and return air inlet are all provided with It is equipped with the screen pack for being filtered to entering the air in the 3rd operating room;Also include being arranged in the 3rd operating room being used for The air-introduced machine of fresh air is introduced and for the air blower by exhaust outlet discharge dry-heat air by fresh wind port.
8. segmented sludge dry system according to claim 7, it is characterised in that:The brethaid includes being located at Indoor set in 3rd operating room, the outdoor unit outside the 3rd operating room, the outlet pipe for connecting indoor set and outdoor unit.
9. segmented sludge dry system according to claim 8, it is characterised in that:The drying heating device include according to Secondary the first connected dry component, the second dry component and heating component, in addition to the compression positioned at the first dry component side Machine, the moistening cold wind in the second operating room is first compressed by the compressor to be changed into moistening warm air, first dry component With the second dry component successively the moistening warm air that the air compressor of warp is handled dry for the first time and dry for second with The moisture removed in moistening warm air is obtained drying warm air, and the heating component is done to being heated through dry drying warm air Scorching wind.
10. segmented sludge dry system according to claim 9, it is characterised in that:Environmental protection is provided with the compressor Refrigerant.
CN201720956611.2U 2017-08-02 2017-08-02 Segmented sludge dry system Active CN207210234U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107382012A (en) * 2017-08-02 2017-11-24 东莞市绿革环保科技有限公司 Segmented sludge dry system
CN112028442A (en) * 2020-07-16 2020-12-04 北京国电龙源环保工程有限公司 Sludge drying system and drying method utilizing multi-section type heat energy in stepped mode

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107382012A (en) * 2017-08-02 2017-11-24 东莞市绿革环保科技有限公司 Segmented sludge dry system
CN107382012B (en) * 2017-08-02 2023-09-22 东莞市绿革环保科技有限公司 Sectional type sludge drying system
CN112028442A (en) * 2020-07-16 2020-12-04 北京国电龙源环保工程有限公司 Sludge drying system and drying method utilizing multi-section type heat energy in stepped mode

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