CN105836995A

CN105836995A - Sludge disintegration and drying device and method thereof

Info

Publication number: CN105836995A
Application number: CN201610170131.3A
Authority: CN
Inventors: 李学文; 林常婧
Original assignee: Fame Blue Sky Environment Technology (beijing) Co Ltd
Current assignee: Fame Blue Sky Environment Technology (beijing) Co Ltd
Priority date: 2016-03-23
Filing date: 2016-03-23
Publication date: 2016-08-10

Abstract

The invention relates to a sludge disintegration and drying device and a method thereof. The device comprises a subcritical reaction unit, a presser, a sewage outlet, a drying machine and a fluidization pyrolysis device. By the use of the subcritical reaction unit, primary sludge undergoes high temperature pressing such that the primary sludge is in a subcritical state to undergo pyrolysis so as to obtain a sludge lysate, and the sludge lysate is conveyed into the presser through a hydraulic grouting pump. The presser is connected to the subcritical reaction unit through a sludge tube. The hydraulic grouting pump is arranged on a sludge inlet tube. The bottom of the presser is provided with the sewage outlet. The presser is used for pressing moisture out of the sludge lysate so as to obtain a sludge cake. The drying machine is used for drying the sludge cake to obtain dried sludge. The fluidization pyrolysis device is connected to the drying machine and is used for carrying out pyrolysis on the dried sludge so as to obtain powdered carbon. By letting primary sludge enter a subcritical state and then carrying out pyrolysis, most biological cells in the primary sludge will be broken, molecular chain of a long chain organic substance will be ruptured, solid-state sludge is liquefied, and pyrolysis of the primary sludge is more thorough.

Description

A kind of sludge disintegration drying device and method

Technical field

The present invention relates to technical field of sludge treatment, be specifically related to a kind of sludge disintegration drying device and method.

Background technology

Mud, when carrying out drying sludge, is directly thermally dried by existing sludge drying mechanism, and the dry mud obtained still contains a lot of organic substance or pollutant, is discharged to outdoor and is likely to result in environmental pollution.

Summary of the invention

The technical problem to be solved is for the deficiencies in the prior art, it is provided that a kind of sludge disintegration drying device and method.

The technical scheme is that a kind of sludge disintegration drying device, including:

Subcritical reaction device, described subcritical reaction device, for primary sludge is carried out high-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate, by hydraulic grouting pump, the mud lysate obtained is sent to squeezer；

Squeezer, described squeezer is connected with described subcritical reaction device by entering mud pipe, described hydraulic grouting pump be arranged on described in enter on mud pipe；The bottom of described squeezer is provided with outlet of sewer；Described squeezer, for being extruded by the moisture in mud lysate, obtains sludge cake；

Drying machine, described drying machine, for being dried sludge cake, obtains dewatered sludge；

Fluidisation pyrolysis installation, described fluidisation pyrolysis installation is connected with described drying machine, for being pyrolyzed by described dewatered sludge, obtains powdered carbon.

The invention has the beneficial effects as follows: by the present invention in that primary sludge cracks after entering subcritical state again, the biological cell making the overwhelming majority in primary sludge can rupture, intercellular Interstitial Water and absorption water are released, long-chain organic molecule chain will rupture, the mud of solid-state is liquefied, the cracking making primary sludge is the most abundant, and lytic effect is good, and process is simple；By arranging squeezer, drying machine and fluidisation pyrolysis installation, it is achieved that the serialization processing of mud, fluidisation pyrolysis installation can make mud carry out pyrolytic further.

On the basis of technique scheme, the present invention can also do following improvement.

Further, also include that activated carbon sewage-treatment plant, described activated carbon sewage-treatment plant are connected with described outlet of sewer.

Use above-mentioned further scheme to provide the benefit that: by arranging activated carbon sewage-treatment plant, the sewage produced through squeezing can be carried out purified treatment, the water reusable edible after purification, energy-conserving and environment-protective.

Further, also including sludge conveyer, described sludge conveyer is connected with described subcritical reaction device by primary sludge conveying pipe, for carrying primary sludge in described subcritical reaction device.

Above-mentioned further scheme is used to provide the benefit that: by arranging sludge conveyer, the automation of complete machine can be realized.

Further, described sludge conveyer includes:

First storage mud tank, described first storage mud tank is used for storing primary sludge, and described first storage mud tank top offers gas discharge channel；

Plunger displacement pump, described plunger displacement pump is arranged on the bottom of described first storage mud tank, and described plunger displacement pump is connected with described subcritical reaction device by described primary sludge conveying pipe, the pipeline of described plunger displacement pump both sides is provided with check valve.

Further, described subcritical reaction device includes:

Preheating can group, is provided with many and returns mud pipe in described preheating can group, go back to the gap between mud pipe and between described go back to mud pipe and described preheating can group inside sidewalls face and formed into mud passage described in many；The two ends of described preheating can group offer the first charging aperture and the first discharging opening respectively, and described plunger displacement pump is connected with described first charging aperture by pipeline；The two ends of described time mud pipe offer the second charging aperture and the second discharging opening respectively, and described second discharging opening is connected with described drying machine；Described primary sludge enters in preheating can group from described first charging aperture；

Heating tank group, described heating tank group is connected with described heater by pipeline, for primary sludge is carried out high-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate；Offering the 3rd charging aperture and the 3rd discharging opening in described heating tank group, described 3rd charging aperture is connected with described first discharging opening by pipeline, and described 3rd discharging opening is connected with described second charging aperture by pipeline；

Heater, described heater is connected with described heating tank group, for providing heat for described heating tank group；

Second storage mud tank, described second storage mud tank includes the 4th charging aperture and the 4th discharging opening, and described 4th charging aperture is connected with described second discharging opening by total sludge out pipe, and described 4th discharging opening is connected with described hydraulic grouting pump；

Cooler, described cooler is arranged on the pipeline between described first storage mud tank and described second discharging opening or is arranged in described first storage mud tank.

Above-mentioned further scheme is used to provide the benefit that: by arranging preheating can group and heating tank group, subcritical reaction can be carried out in heating tank group, and preheating can group is preheated by the Pintsch process liquid produced after subcritical reaction cracks, heat energy utilization is abundant, energy-conserving and environment-protective.

Further, described heating tank group includes multiple heating tank by placed in series, in the heating tank of series connection, is positioned on the heating tank at two ends and offers the 3rd charging aperture and the 3rd discharging opening respectively；Being provided with release drum on described heating tank, the 3rd discharge outlet of described heating tank is provided with thermometer；

Described heater includes multiple heat conduction oil tank and heat-conducting oil furnace；All being coated with a heat conduction oil tank outside each described heating tank, leave space between described heating tank and the heat conduction oil tank being coated on its outer wall, the space between each heating tank and the heat conduction oil tank being coated on its outer wall is interconnected；Described heat-conducting oil furnace is connected with described space by petroleum pipeline.

Use above-mentioned further scheme to provide the benefit that: by arranging heat conduction oil tank and heat-conducting oil furnace, and at one heat conduction oil tank of heating tank outer cladding, the outer wall of heating tank is effectively heated, it is to avoid heat energy loss, and heating effect is good.

Further, described squeezer includes:

Enter mud pipe, described in enter mud pipe the output of one end and described hydraulic grouting pump be connected；

Press section, described press section with described enter mud pipe the other end be connected；Described press section is the tubular structure of one end closure；

Outlet pipe, one end of described outlet pipe is connected with described press section.

Further, enter mud pipe described in include:

One enters mud supervisor, described in enter mud supervisor and vertically arrange, described in enter one end of mud supervisor and be connected with described hydraulic grouting pump, the sealing of its other end；

Many enter mud and are in charge of, and enter mud and be in charge of horizontally disposed described in many, described in enter one end that mud is in charge of be connected to described in enter on the outer wall of mud supervisor and in communication, its other end is connected with described press section；

Described hydraulic grouting pump includes:

First hydraulic grouting pump, described first hydraulic grouting pump by pipeline with described enter mud supervisor lower end be connected；

Multiple second hydraulic grouting pump, enter described in every mud be in charge of and described enter mud supervisor between be provided with second hydraulic grouting pump.

Further, described outlet pipe includes:

A piece water outlet main pipe, described water outlet main pipe vertically arranges, one end of described water outlet main pipe is connected with described activated carbon sewage-treatment plant, and its other end seals；Described enter mud supervisor and described water outlet main pipe be arranged symmetrically in the both sides of described press section；

Many water outlets are in charge of, and many described water outlets are in charge of horizontally disposed, and one end that described water outlet is in charge of is connected on the outer wall of described water outlet main pipe and in communication, and its other end is connected with described press section.

Using above-mentioned further scheme to provide the benefit that: by entering mud and be in charge of and multiple squeezing storage mud oil cylinders by arranging many, by mud lysate classification squeeze and filter, and can be in charge of by many water outlets and discharged by sewage, squeezing is abundant.

Further, described press section includes:

Multiple squeezing storage mud oil cylinders, the side of each described squeezing storage mud oil cylinder with enter mud described at least one and be in charge of and be connected；Described squeezing storage mud cylinder upper end is uncovered structure and is coated with the first filter cloth；

Support, multiple described squeezing storage mud oil cylinders are sequentially arranged on the bracket and fixed thereto connected from top to bottom；

Hydraulic jack, described hydraulic jack is arranged on the top of multiple described squeezing storage mud oil cylinder and is connected with described bracket slide, for extruding the mud in squeezing storage mud oil cylinder, obtaining sludge cake；

Transmitting device, described transmitting device is arranged horizontally in the bottom of described squeezing storage mud oil cylinder, and the both sides of each described squeezing storage mud oil cylinder are correspondingly arranged transmitting device.

Further, described transmitting device includes:

Two rotary shafts, two described rotary shafts are parallel to each other and are arranged horizontally in the both sides of described squeezing storage mud oil cylinder, and two rotary shafts are wound with the second filter cloth；

Hydraulic motor, described hydraulic motor is connected with described rotary shaft；

Bucket, described bucket is arranged on the lower section of described rotary shaft.

Further, described drying machine includes:

Enter feed bin, described in enter feed bin and be connected with described bucket by pipeline；

Support, described support be arranged on described in enter feed bin lower section and fixed thereto be connected；

Two chain wheel set, are arranged in parallel about two described chain wheel set and are fixed on the both sides of described support；

Article two, transmission chain, each described chain wheel set outer sheath is connected to a transmission chain；

Flight conveyor, described flight conveyor is fixed between two described transmission chains and enters the lower section of feed bin described in being positioned at；

Reducing motor, described reducing motor is connected with described chain wheel set；

Scraper plate conveyer belt, one end of described scraper plate conveyer belt is arranged on the lower section of described flight conveyor；

Described heater also includes that heat conducting oil pipe, described heat conducting oil pipe are connected with described heat-conducting oil furnace, and described heat conducting oil pipe uniform spreading is located at described first support board and the lower section of the second support board.

Further, described flight conveyor includes:

First support board, described first support board is fixed on the bracket and horizontally disposed；

Second support board, described second support board is fixed on the bracket and is positioned at the lower section of described first support board；Described heater also includes that the heat conducting oil pipe being connected with described heat-conducting oil furnace, described heat conducting oil pipe uniform spreading are located at described first support board and the lower section of the second support board；

Multiple carrier bars, multiple described carrier bars are connected between described two transmission chains and are in close contact each other；Described first support board is positioned at below the carrier bar on the upside of described chain wheel set, and described second support board is positioned at below the carrier bar on the downside of described chain wheel set；It is respectively and fixedly provided with heater on described first support board and described second support board downside.

Further, described transmission chain includes:

First chain, described first chain is uniformly fixed with multiple first otic placode, and the distance between each two the first otic placode is equal with the width of described carrier bar；

Second chain, position relative with described first otic placode on described second chain is fixed with multiple second otic placode；Multiple described carrier bars are arranged in parallel between described first chain and the second chain and its two ends are rotatedly connected with described first otic placode and the second otic placode respectively, and its tie point is positioned at left side or the right side of center, described carrier bar end；

It is respectively and fixedly provided with multiple steady wheel below described first support board and the second support board.

Further, described fluidisation pyrolysis installation includes:

Pulverizer, described pulverizer is connected with the other end of described scraper plate conveyer belt by pipeline；

Mud powder holding vessel, described mud powder holding vessel is connected with described pulverizer by pipeline；The bottom of described mud powder holding vessel is provided with screw pump；

Fluidized reactor, the upper end of described fluidized reactor offers the 5th discharging opening, and its sidewall offers the 5th charging aperture；Described screw pump is connected with described 5th charging aperture by pipeline；

Heater, described heater is arranged on the bottom of described fluidized reactor, provides heat for heating for the fluidisation of mud powder；

Fluidized air blower, described fluidized air blower is connected with described fluidized reactor by intake stack.

Further, dividing plate and baffle plate it is provided with in described fluidized reactor, described dividing plate and baffle plate are parallel to each other and are arranged vertically at the lower section of described 5th discharging opening, the first gap is left between upper end and the upper wall of described fluidized reactor of described dividing plate, leave the second gap between the diapire of its lower end and described fluidized reactor, between lower end and the diapire of described fluidized reactor of described baffle plate, leave third space.

Further, described fluidisation pyrolysis installation also includes:

Incubation cavity, described heater is fixed on the diapire within described incubation cavity；Described intake stack through described incubation cavity sidewall and fixed thereto be connected, described intake stack is positioned at the one end within described fluidized reactor and is provided with multiple valve, and multiple described valves are evenly arranged between the sidewall of described fluidized reactor and described dividing plate；The top of described incubation cavity is provided with discharge duct, and described discharge duct is provided with waste-heat recoverer；Described heater also includes multiple heating finned tube, multiple described heating finned tubes are interconnected and uniform spreading is located at described first support board and the lower section of the second support board, are equipped with multiple heating finned tube between described first support board and described heat conducting oil pipe and between the second support board and described heat conducting oil pipe；

Nitrogen gas generating device, described nitrogen gas generating device is connected with described intake stack；

Cyclone separator, described cyclone separator is connected with described fluidized air blower by wind pipe, and described cyclone separator is connected with described 5th discharging opening by ciculation fluidized pipeline；

Gasifying agent adding set, described gasifying agent adding set is connected with described waste-heat recoverer；Connecting on described gasifying agent adding set and have nozzle, described nozzle through described incubation cavity and connects with described fluidized reactor, for being sprayed in fluidized reactor by the gasifying agent in gasifying agent adding set；

Described heater also includes multiple heating finned tube, multiple described heating finned tubes are interconnected, and its uniform spreading is located at described first support board and the lower section of the second support board and between described first support board and described heat conducting oil pipe and between the second support board and described heat conducting oil pipe；Described heating finned tube one end is connected with described waste-heat recoverer by pipeline, and its other end is interconnected.

Use above-mentioned further scheme to provide the benefit that: by arranging heating finned tube, and heating finned tube is connected with fluidisation pyrolysis installation, is used by the residual heat collection that fluidisation pyrolysis installation produces, energy-conserving and environment-protective；By arranging multiple valve in the bottom of fluidized reactor, in fluidized reactor, advertise nitrogen by valve, make the mud powder in fluidized reactor be in anoxic fluidized state, the carbonization of the most dry mud powder.

Further, described cyclone separator includes:

Primary cyclone, described primary cyclone is connected with described 5th discharging opening by wind pipe；

High efficiency cyclonic dust collector, described high efficiency cyclonic dust collector upper end is connected with described fluidized air blower by ciculation fluidized pipeline；

Middle effect cyclone dust collectors, described middle effect cyclone dust collectors are arranged between described primary cyclone and described high efficiency cyclonic dust collector, described middle effect cyclone dust collectors are connected with described ciculation fluidized pipeline by pipeline, and the described bottom of middle effect cyclone dust collectors is connected with the bottom of described primary cyclone.

Use above-mentioned further scheme to provide the benefit that: by arranging cyclone separator, insufficient powdered carbon that burns can be rekindled carbonization；By arranging waste-heat recoverer, can the heat of convection current heat-transmission solution bed recycle, energy-conserving and environment-protective.

A kind of sludge disintegration drying means, comprises the following steps:

1) primary sludge of moisture content 70%-80% is carried out high-temperature pressurizing, make primary sludge entrance subcritical state carry out cracking and obtain mud lysate, the mud lysate obtained is sent to squeezer by grouting pump；

2) mud lysate is squeezed, the moisture in mud lysate is extruded, obtains sewage and the sludge cake of moisture content less than 40%；

3) sludge cake is dried, obtains the dewatered sludge of moisture content 10%-20%；

4) dewatered sludge is carried out fluidisation pyrolysis, obtains powdered carbon.

The invention has the beneficial effects as follows: by the present invention in that primary sludge cracks after entering subcritical state again, the biological cell making the overwhelming majority in primary sludge can rupture, intercellular Interstitial Water and absorption water are released, long-chain organic molecule chain will rupture, the mud of solid-state is liquefied, the cracking making primary sludge is the most abundant, and lytic effect is good, and process is simple.

Further, described step 1) in, the cracking of primary sludge includes preheating and pyrolysis, and described warm is that primary sludge is preheated by the heat utilizing mud lysate；Described pyrolysis is that the primary sludge after preheating carries out high-temperature pressurizing；After described pyrolyzing sludge liquid preheating primary sludge, its temperature is down to less than 80 DEG C.

Above-mentioned further scheme is used to provide the benefit that: by primary sludge first pre-reheat heat solution, improve the lysis efficiency of primary sludge.

Further, the cracking temperature of described primary sludge is more than 300 DEG C, and cracking pressure is more than 10MPa.

Further, described step 2) in, mud lysate will add step 4) in the powdered carbon that obtains mix, mud lysate is 1:3 with the volume ratio of powdered carbon, squeezes mixed mud lysate.

Use above-mentioned further scheme to provide the benefit that: by being mixed in mud lysate by the powdered carbon after pyrolyzing sludge, on the one hand make powdered carbon recycle, on the other hand, greatly reduce the stickiness of mud lysate, be more beneficial for high temperature squeezing.

Further, described step 2) in, described squeezing includes filtering from heavy filtration and extruding, and described deadweight is filtered into and is layered on by described mud lysate on weight pound filter cloth, utilize mud lysate own wt to filter, make the moisture content of mud lysate be down to less than 70%；Described extruding is filtered into the pressure that described heavy pound filter cloth applies more than 15MPa, makes the moisture content of mud lysate be down to less than 40%, obtains sludge cake.

Above-mentioned further scheme is used to provide the benefit that: to filter from heavy filtration and extruding by using, energy-conserving and environment-protective.

Further, described step 3) in, use conduction oil that sludge cake is dried, or use the heat of the gas of fluidisation pyrolytic process discharge that sludge cake is dried.

Above-mentioned further scheme is used to provide the benefit that: sludge cake is dried by the heat of the gas using fluidisation pyrolytic process to discharge, and can save recycling of the energy, the beneficially energy.

Further, described step 4) in, before described dewatered sludge is carried out fluidisation pyrolysis, first described dewatered sludge is pulverized, obtain mud powder, then in mud powder, nitrogen is advertised, make mud powder be in fluidized state, meanwhile, in mud powder, add steam gasification agent, mud powder is made uniformly to mix with steam gasification agent, then heating mud powder, heating-up temperature is 350 DEG C-550 DEG C, and the powdered carbon obtained separates through cyclone separator, making the powdered carbon that particle diameter is big continue fluidisation heating, the powdered carbon making particle diameter little is discharged and is collected.

Using above-mentioned further scheme to provide the benefit that: to be pyrolyzed under anoxic high temperature by the dewatered sludge after making pulverizing, pyrolysis efficiency is high.

Accompanying drawing explanation

Fig. 1 is the complete machine structure schematic diagram of the sludge disintegration drying device of the present embodiment；

Fig. 2 is the attachment structure schematic diagram of the subcritical reaction device of the present embodiment；

Fig. 3 is the structure for amplifying schematic diagram in B portion in Fig. 2；

Fig. 4 is the attachment structure schematic diagram of the squeezer of the present embodiment；

Fig. 5 is the another side structural representation of the squeezer of the present embodiment；

Fig. 6 is the attachment structure schematic diagram of the drying machine of the present embodiment；

Fig. 7 is the perspective view of the drying machine of the present embodiment；

Fig. 8 is the structure for amplifying schematic diagram in C portion in Fig. 6；

Fig. 9 is the attachment structure schematic diagram of the fluidisation pyrolysis installation of the present embodiment.

In accompanying drawing, the list of parts representated by each label is as follows:

1, subcritical reaction device；11, preheating can group；111, mud passage is entered；112, mud pipe is returned；1121, high-pressure nozzle；113, total sludge out pipe；114, preheating can；12, heating tank group；121, heating tank；122, release drum；123, thermometer；124, Pressure gauge；13, heater；131, heat conduction oil tank；132, heat-conducting oil furnace；133, space；134, heat conducting oil pipe；135, heating finned tube；14, the second storage mud tank；141, the first gas discharge outlet；15, cooler；16, the 3rd storage mud tank；161, plunger displacement pump；162, check valve；163, the second gas discharge outlet；A, the cross-sectional structure figure of preheating can；2, squeezer；21, hydraulic grouting pump；211, the first hydraulic grouting pump；212, the second hydraulic grouting pump；22, mud pipe is entered；221, mud supervisor is entered；222, enter mud to be in charge of；23, press section；231, squeezing storage mud oil cylinder；2311, the first filter cloth；2312, the second filter cloth；232, support；233, hydraulic jack；234, transmitting device；2341, rotary shaft；2342, hydraulic motor；2343, bucket；24, outlet pipe；241, water outlet main pipe；242, water outlet is in charge of；3, drying machine；31, feed bin is entered；32, support；33, chain wheel set；34 transmission chains；341, the first chain；342, the second chain；343, the first otic placode；35, flight conveyor；351, the first support board；352, the second support board；353, carrier bar；354, steady wheel；36, reducing motor；37, scraper plate conveyer belt；4, fluidisation pyrolysis installation；41, fluidized reactor；411, dividing plate；4111, the first gap；4112, the second gap；412, baffle plate；4121, third space；413, the 5th discharging opening；414, the 5th charging aperture；42, heater；43, fluidized air blower；431, intake stack；432, ciculation fluidized pipeline；44, valve；45, nitrogen gas generating device；46, cyclone separator；461, primary cyclone；462, middle effect cyclone dust collectors；463, efficient cyclone dust separator；463, wind pipe；47, gasifying agent adding set；471, nozzle；48, incubation cavity；481, discharge duct；49, waste-heat recoverer；5, activated carbon sewage-treatment plant；6, sludge conveyer；61, the first storage mud tank；62, plunger displacement pump；63, check valve；7, pulverizer；8, mud powder storage tank.

Detailed description of the invention

Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.

Embodiment 1

As Figure 1-Figure 8, present embodiments provide a kind of device being dried for sludge disintegration, including:

Subcritical reaction device 1, described subcritical reaction device 1, for primary sludge is carried out high-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate, by hydraulic grouting pump 21, the mud lysate obtained is sent to squeezer 2；

Sludge conveyer 6, described sludge conveyer 6 is connected with described subcritical reaction device 1 by primary sludge conveying pipe, for carrying primary sludge in described subcritical reaction device 1；

Squeezer 2, described squeezer 2 is connected with described subcritical reaction device 1 by entering mud pipe 22, described hydraulic grouting pump 21 be arranged on described in enter on mud pipe 22；The bottom of described squeezer 2 is provided with outlet of sewer；Described squeezer 2, for being extruded by the moisture in mud lysate, obtains sludge cake；

Activated carbon sewage-treatment plant 5, described activated carbon sewage-treatment plant 5 is connected with described outlet of sewer；

Drying machine 3, described drying machine 3, for being dried sludge cake, obtains dewatered sludge；

Fluidisation pyrolysis installation 4, described fluidisation pyrolysis installation 4 is connected with described drying machine 3, for being pyrolyzed by described dewatered sludge, obtains powdered carbon.

The present embodiment cracks after entering subcritical state by making primary sludge again, the biological cell making the overwhelming majority in primary sludge can rupture, intercellular Interstitial Water and absorption water are released, long-chain organic molecule chain will rupture, the mud of solid-state is liquefied, the cracking making primary sludge is the most abundant, and lytic effect is good, and process is simple；By arranging squeezer, drying machine and fluidisation pyrolysis installation, it is achieved that the serialization processing of mud, fluidisation pyrolysis installation can make mud carry out pyrolytic further.

As it is shown in figure 1, the described sludge conveyer 6 of the present embodiment includes:

First storage mud tank 61, described first storage mud tank 61 is used for storing primary sludge, and described first storage mud tank 61 top offers gas discharge channel；

Plunger displacement pump 62, described plunger displacement pump 62 is arranged on the bottom of described first storage mud tank 61, and described plunger displacement pump 62 is connected with described subcritical reaction device 1 by described primary sludge conveying pipe, the pipeline of described plunger displacement pump 62 both sides is provided with check valve 63.

As in figure 2 it is shown, the subcritical reaction device 1 of the present embodiment includes:

Preheating can group 11, preheating can group 11 is for preheating primary sludge；

Heating tank group 12, heating tank group 12 is connected with preheating can group 11 and heater 2 respectively by pipeline, for primary sludge is carried out high-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate.It is equipped with heat-insulation layer on heating tank and preheating can group outer wall, when can avoid preheating and heating, heat losses.

As shown in Figure 1-Figure 3, preheating can group 11 is formed by placed in series by multiple preheating cans 114, and the present embodiment uses 5 preheating cans.In Fig. 3, A is the cross-sectional structure schematic diagram of each preheating can 114 of preheating can group 11；Being provided with many in preheating can group 11 and return mud pipe 112, the many gaps returning between mud pipe 112 and return between mud pipe 112 and preheating can group 11 inside sidewalls face are formed into mud passage 111；The two ends of preheating can group 11 offer the first charging aperture and the first discharging opening respectively, and the two ends returning mud pipe 112 offer the second charging aperture and the second discharging opening respectively, and the second discharge outlet connects has high-pressure nozzle 1121, the second discharging opening to be connected with drying machine 7；Primary sludge enters in preheating can group 11 from the first charging aperture.By setting into mud passage in preheating can group and returning mud pipe, producing mud lysate by the cracking of heating tank group and preheat the primary sludge entered in mud passage, energy-conserving and environment-protective, Btu utilization is abundant.

In Fig. 1 and Fig. 2, heating tank group 12 offering the 3rd charging aperture and the 3rd discharging opening, the 3rd charging aperture is connected by pipeline and the first discharging opening, and the 3rd discharging opening is connected by pipeline and the second charging aperture.

In Fig. 1 and Fig. 2, heating tank group 12 includes multiple heating tank 121 by placed in series, and the present embodiment uses 5 heating tanks；In the heating tank 121 of series connection, it is positioned on the heating tank 121 at two ends and offers the 3rd charging aperture and the 3rd discharging opening respectively；Being provided with release drum 122 on heating tank 121, release drum 122 is provided with Pressure gauge 124, the 3rd discharge outlet of heating tank 121 is provided with thermometer 123；

In Fig. 1 and Fig. 2, heater 2 includes multiple heat conduction oil tank 131 and heat-conducting oil furnace 132；All being coated with a heat conduction oil tank 131 outside each heating tank 121, leave space 133 between heating tank 121 and the heat conduction oil tank 131 being coated on its outer wall, the space 133 between each heating tank 121 and the heat conduction oil tank 131 being coated on its outer wall is interconnected；Heat-conducting oil furnace 132 is connected with space 133 by petroleum pipeline.It is passed through conduction oil by the space between heat conduction oil tank and heat-conducting oil furnace heat conduction oil tank is heated, the outer wall of whole heat conduction oil tank is enveloped, heats full and uniform；By arranging release drum and thermometer, be conducive to the fluid state in monitoring heating tank and mud extraction temperature.

As depicted in figs. 1 and 2, the device for sludge disintegration of the present embodiment also includes the second storage mud tank 14, cooler 15 and the 3rd storage mud tank 16, the first gas discharge outlet the 141, the 4th charging aperture and the 4th discharging opening is offered on second storage mud tank 14,4th charging aperture is connected with the second discharging opening by total sludge out pipe 113, and mud lysate is discharged into hydraulic grouting pump 21 by the 4th discharging opening；

Cooler 15 is arranged on the pipeline between the second storage mud tank 14 and the second discharging opening or is arranged in the second storage mud tank 14；By arranging cooler, mud lysate can be carried out effective temperature-reducing process；

3rd storage mud tank 16 is connected by pipeline and the first charging aperture, and the 3rd storage mud tank 16 offers the second gas discharge outlet 163.The bottom of the 3rd storage mud tank 16 is provided with plunger displacement pump 161, and plunger displacement pump 161 is connected by pipeline and the first charging aperture, and the pipeline of plunger displacement pump 161 both sides is provided with check valve 162.It is equipped with heat-insulation layer on heating tank 121 and preheating can group 11 outer wall.By arranging plunger displacement pump, and the transmission of installation check valve, beneficially primary sludge on the pipeline of plunger displacement pump both sides at the second storage mud pot bottom, the setting of check valve can be prevented effectively from sludge reflux.

The method that the sludge disintegration device using the present embodiment to provide carries out sludge disintegration, particularly as follows: the primary sludge of moisture content 70%-80% is carried out high-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate.The cracking temperature of primary sludge is more than 300 DEG C, and cracking pressure is more than 10MPa.

The cracking of primary sludge includes preheating and pyrolysis, and warm is that primary sludge is preheated by the heat utilizing mud lysate；Pyrolysis is for carrying out high-temperature pressurizing to the primary sludge after preheating；After pyrolyzing sludge liquid preheating primary sludge, its temperature is down to less than 80 DEG C.Cooling down and discharge in entering cooler after pyrolyzing sludge liquid preheating primary sludge, the temperature of the pyrolyzing sludge liquid after cooling is down to less than 50 DEG C.

The present embodiment cracks after entering subcritical state by making primary sludge again, the biological cell making the overwhelming majority in primary sludge can rupture, intercellular Interstitial Water and absorption water are released, long-chain organic molecule chain will rupture, the mud of solid-state is liquefied, the cracking making primary sludge is the most abundant, and lytic effect is good, and process is simple.

The course of work of the subcritical reaction device of the present embodiment is, first pass through screw pump and primary sludge is pumped in the first storage mud tank, then by plunger displacement pump, the primary sludge in the first storage mud tank is entered in mud passage by what pipeline was sent to preheating can group, the pipeline of plunger displacement pump both sides is provided with check valve, and the setting of check valve can avoid sludge reflux.Enter after the mud in mud passage preheats in preheating can, enter in heating tank and heat, primary sludge is cracked into mud lysate under the high temperature and high pressure environment in heating tank, mud lysate enters preheating primary sludge in preheating can by returning mud pipe, after mud lysate has preheated primary sludge, self heat is down to less than 80 DEG C, then passes through back the high-pressure nozzle ejection of mud pipe, in total sludge out pipe enters the second storage mud tank.

As shown in Figure 4, the squeezer 2 of the present embodiment includes that hydraulic grouting pump 21, hydraulic grouting pump 21 are used for carrying sludge slurry, and hydraulic grouting pump 21 is connected with the 4th discharging opening of the second storage mud tank 14；

Enter mud pipe 22, described in enter mud pipe 22 the output of one end and described hydraulic grouting pump 21 be connected；

Press section 23, described press section 23 with described enter mud pipe 22 the other end be connected；The tubular structure that described press section 3 blocks in one end, for being squeezed into sludge cake by sludge slurry；

Outlet pipe 24, one end of described outlet pipe 24 is connected with described press section 3；

Activated carbon sewage-treatment plant 25, described activated carbon sewage-treatment plant 25 is connected with the other end of described outlet pipe 24.

The squeezer of the present embodiment automatically can carry out extruding and filter sludge slurry, and overall structure is simple, and convenient enforcement.

As shown in Figure 4, the mud pipe 22 that enters of the present embodiment includes:

One enters mud supervisor 221, described in enter mud supervisor and 221 vertically arrange, described in enter one end of mud supervisor 221 and be connected with described hydraulic grouting pump 21, the sealing of its other end；

Many enter mud and are in charge of 222, enter mud and be in charge of 222 horizontally disposed described in many, described in enter mud be in charge of one end of 222 be connected to described in enter on the outer wall of mud supervisor 221 and in communication, its other end is connected with described press section 23；

As shown in Figure 4, the hydraulic grouting pump 21 of the present embodiment includes:

First hydraulic grouting pump 211, described first hydraulic grouting pump 211 by pipeline with described enter mud supervisor 221 lower end be connected；

Multiple second hydraulic grouting pump 212, enter described in every mud be in charge of 222 and described enter mud supervisor 221 between be provided with second hydraulic grouting pump 212.

As shown in Figure 4, the outlet pipe 24 of the present embodiment includes:

A piece water outlet main pipe 241, described water outlet main pipe 241 vertically arranges, one end of described water outlet main pipe 241 is connected with described activated carbon sewage-treatment plant 5, and its other end seals；Enter mud supervisor 221 and described water outlet main pipe 241 is arranged symmetrically in the both sides of described press section 23；

Many water outlets are in charge of 242, and many described water outlets are in charge of 242 horizontally disposed, and described water outlet is in charge of one end of 242 and is connected on the outer wall of described water outlet main pipe 241 and in communication, and its other end is connected with described press section 23.

The present embodiment, by arranging a supervisor and the many combining forms being in charge of, can carry out shunting squeezing, squeeze more convenient sludge slurry, and squeezing effect is more preferable.

As shown in Figure 4 and Figure 5, the press section 23 of the present embodiment includes:

Multiple squeezing storage mud oil cylinders 231, the side of each described squeezing storage mud oil cylinder 231 with enter mud described at least one and be in charge of 222 and be connected；Described squeezing storage mud oil cylinder 231 upper end is uncovered structure and is coated with the first filter cloth 2311；

Support 232, multiple described squeezing storage mud oil cylinders 231 are sequentially arranged on described support 232 and fixed thereto connected from top to bottom；

Hydraulic jack 233, described hydraulic jack 233 is arranged on the top of multiple described squeezing storage mud oil cylinder 231 and is slidably connected with described support 232, for extruding the mud in squeezing storage mud oil cylinder 231, obtaining sludge cake；

Transmitting device 234, described transmitting device 234 is arranged horizontally in the bottom of described squeezing storage mud oil cylinder 231, and the both sides of each described squeezing storage mud oil cylinder 231 are correspondingly arranged transmitting device 234.

As shown in Figure 4 and Figure 5, the transmitting device 234 of the present embodiment includes:

Two rotary shafts 2341, two described rotary shafts 2341 are parallel to each other and are arranged horizontally in the both sides of described squeezing storage mud oil cylinder 231, and two rotary shafts 2341 are wound with the second filter cloth 2312；

Hydraulic motor 2342, described hydraulic motor 2342 is connected with described rotary shaft 2341；

Bucket 2343, described bucket 2343 is arranged on the lower section of described rotary shaft 2341.

The course of work of the squeezer of the present embodiment is: be extracted in mud supervisor by sludge slurry by hydraulic grouting pump, mud is diverted to each enters during mud is in charge of through entering mud supervisor, through entering mud be in charge of flow to enter with this mud be in charge of be connected squeezing storage mud oil cylinder in, through hydraulic jack extruding squeezing storage mud oil cylinder, the sewage that squeezes out in sludge slurry enters into during water outlet is in charge of through the first filter cloth of squeezing storage mud cylinder upper end, many water outlets are in charge of and are flowed in water outlet main pipe by sewage, it is discharged into activated carbon sewage-treatment plant, active charcoal in activated carbon sewage-treatment plant, sewage can be carried out adsorption cleaning process, the sewage processed through adsorption cleaning can recycle.After being extruded, sludge slurry in squeezing storage mud oil cylinder forms mud also, then the lower section of squeezing storage mud oil cylinder is opened, sludge cake in squeezing storage mud oil cylinder just drops on the second filter cloth in the middle of two rotary shafts, an axial direction is rotated by hydraulic motor to rotate, makes the sludge cake on the second filter cloth drop in the bucket below rotary shaft.

As Figure 6-Figure 8, present embodiments provide a kind of chain-plate type drying machine 3, including:

Enter feed bin 31, described in enter feed bin 31 and be connected with described bucket 2343 by pipeline；

Support 32, described support 32 be arranged on described in enter feed bin 31 lower section and fixed thereto be connected；

Two chain wheel set 33, two parallel both sides being fixed on described support 32 of described chain wheel set 33；

Article two, transmission chain 34, each described chain wheel set 33 outer sheath is connected to a transmission chain 34；

Flight conveyor 35, described flight conveyor 35 is fixed between two described transmission chains 34 and enters the lower section of feed bin 31 described in being positioned at；

Reducing motor 36, described reducing motor 36 is connected with described chain wheel set 33；

Scraper plate conveyer belt 37, one end of described scraper plate conveyer belt 37 is arranged on the lower section of described flight conveyor 35；

Described heater 13 is fixed on the downside of described flight conveyor 35；Described heater 37 also includes the heat conducting oil pipe 372 heating finned tube 135 and being connected with described heat-conducting oil furnace 371.

As shown in Figure 6, the flight conveyor 35 of the present embodiment includes:

First support board 351, described first support board 351 is fixed on support 32 and horizontally disposed；

Second support board 352, described second support board 352 is fixed on described support 32 and is positioned at described The lower section of the first support board 351；It is respectively and fixedly provided with multiple steady wheel 354 below described first support board 351 and the second support board 352；Described heat conducting oil pipe 134 uniform spreading is located at described first support board 351 and the lower section of the second support board 352；

Multiple carrier bars 353, multiple described carrier bars 353 are connected between described two transmission chains 34 and are in close contact each other；Described first support board 351 is positioned at below the carrier bar 353 on the upside of described chain wheel set 33, and described second support board 352 is positioned at below the carrier bar 353 on the downside of described chain wheel set 33.

As Figure 6-Figure 8, the transmission chain 34 of the present embodiment includes:

First chain 341, described first chain 341 is uniformly fixed with multiple first otic placode 343, and the distance between each two the first otic placode 343 is equal with the width of described carrier bar 353；

Second chain 342, position relative with described first otic placode 343 on described second chain 342 is fixed with multiple second otic placode；Multiple described carrier bars 353 are arranged in parallel between described first chain 341 and the second chain 342 and its two ends are rotatedly connected with described first otic placode 343 and the second otic placode respectively, and its tie point is left side or the right side that O, O point is positioned at described carrier bar 353 end center line.

The direction of arrow in Fig. 7 is the rotation direction of chain；By carrier bar two ends are rotatably connected between the first otic placode and the second otic placode, and tie point is not in center, carrier bar is made to become eccentric structure on chain, the when of making carrier bar arrive the first support board end, rotate due to deadweight in vertical state, make the material on carrier bar drop on the carrier bar of lower floor, make dried through upper strata carrier bar of material, carrying out redrying through lower floor's carrier bar again, drying effect is more preferable.

As shown in Figure 6, in the present embodiment, pan feeding position in storehouse is above the left side of flight conveyor, the transmission from left to right of flight conveyor on the upside of chain wheel set, carrier bar two ends are rotatedly connected with the first otic placode and the second otic placode respectively, carrier bar on the upside of chain wheel set is positioned at the length of tie point O left part and is less than the length being positioned at tie point O right part, and the carrier bar on the upside of chain wheel set is positioned at the length of tie point O left part more than being positioned at the length connecting O right part；Under the drive of chain, carrier bar moves right, when carrier bar on the upside of chain wheel set runs to chain right-hand member, under the effect of carrier bar bias deadweight, the part that length is slightly grown moves down, making carrier bar is vertical state, vertically the carrier bar of state moves to the right-hand member of the second support board on the downside of chain wheel set, the side that the end abutment of the second support board is slightly grown in carrier bar length, carrier bar is made to be turned on the upper side of the second support board, continue transmission mud, then when mud is sent to the other end of the second support board, by scraper plate conveyer belt 37, mud is exported in fluidisation pyrolysis installation, it is provided with pulverizer 7 between fluidisation pyrolysis installation and scraper plate conveyer belt, mud through being dried pulverizes entrance mud powder storage tank 8 through pulverizer, mud powder stores.

As it is shown in figure 9, the fluidisation pyrolysis installation 4 of the present embodiment, including:

Pulverizer 7, pulverizer 7 is connected with the other end of scraper plate conveyer belt 37 by pipeline；

Mud powder storage tank 8, is provided with screw pump bottom mud powder storage tank 8, mud powder storage tank 8 is connected with pulverizer 7 by pipeline, and the mud powder that pulverizer 7 obtains after pulverizing enters in mud powder storage tank 8, and mud powder is transferred in fluidized reactor 41 by screw pump；

Fluidized reactor 41, fluidized reactor 41, for mud powder carries out anaerobic fluidisation heating, obtains powdered carbon；Fluidized reactor 41 is connected with drying machine 3；The upper end of fluidized reactor 41 offers the 5th discharging opening 413, and its sidewall offers the 5th charging aperture 414；Dividing plate 411 and baffle plate 412 it is provided with in fluidized reactor 41, dividing plate 411 and baffle plate 412 are parallel to each other and are arranged vertically at the lower section of described discharging opening 413, the first gap 4111 is left between upper end and the upper wall of fluidized reactor 41 of dividing plate 411, leave the second gap 4112 between the diapire of its lower end and fluidized reactor 41, between lower end and the diapire of fluidized reactor 41 of baffle plate 412, leave third space 4121；

Incubation cavity 48, heater 42 is fixed on the diapire within incubation cavity 48；Intake stack 431 is through the sidewall of incubation cavity 48 and fixed thereto is connected, and intake stack 431 is positioned at the one end within fluidized reactor 41 and is provided with multiple valve 44, and multiple valves 44 are evenly arranged between the sidewall of fluidized reactor 41 and dividing plate 411；The top of incubation cavity 48 is provided with discharge duct 481, and discharge duct 481 is provided with waste-heat recoverer 49, and waste-heat recoverer device 49 is connected with heating finned tube 135 by pipeline；Multiple described heating finned tubes 135 are interconnected and uniform spreading is located at described first support board 351 and the lower section of the second support board 352, are equipped with multiple heating finned tube 135 between described first support board 351 and described heat conducting oil pipe 134 and between the second support board 352 and described heat conducting oil pipe 134.

Heater 42, heater 42 uses infrared heater；Heater 42 is arranged on the bottom of fluidized reactor 41, provides heat for heating for the fluidisation of mud powder；

Fluidized air blower 43, fluidized air blower 43 is connected with fluidized reactor 41 by intake stack 431；

Nitrogen gas generating device 45, nitrogen gas generating device 45 is connected with intake stack 431；

Gasifying agent adding set 47, gasifying agent adding set 47 is connected with waste-heat recoverer 49, gasifying agent adding set 47 is provided with nozzle 471, and nozzle 471 is through the outer wall of fluidized reactor 41 and for being sprayed in fluidized reactor 41 by the gasifying agent in gasifying agent adding set 47；The gasifying agent of the present embodiment is steam, and waste-heat recoverer, for providing heat for gasifying agent adding set, makes the water in gasifying agent adding set flash to steam；

Cyclone separator 46, cyclone separator 46 is connected with fluidized reactor 41 by wind pipe 463, is used for making powdered carbon separate, and makes the powdered carbon that particle diameter is big continue fluidisation pyrolysis in fluidized reactor, and the powdered carbon that particle diameter is little is discharged with air-flow；By arranging cyclone separator, the powdered carbon that beneficially particle diameter is big ciculation fluidized heating in fluidized reactor, beneficially effective carbonization of mud powder.

The dividing plate of the present embodiment can up-down adjustment, the first gap and the width in the second gap can be regulated；After the wind speed of fluidized reactor upper part lowers, do not have the mud powder that carbonization is good to be entered in the Vertical Channel between dividing plate and baffle plate by the first gap, then heating carbonization is continued, until carbonization completes in the bottom being back to fluidized reactor；Mud powder, by arranging fluidized reactor, fluidized air blower and heater, can be carried out fluidisation heating by the present embodiment, and carbonization time is short, effective.

As it is shown in figure 9, the cyclone separator 46 of the present embodiment includes:

Primary cyclone 461, primary cyclone 461 is connected with the 5th discharging opening 413 by wind pipe 463；

High efficiency cyclonic dust collector 463, high efficiency cyclonic dust collector 463 upper end is connected with fluidized air blower 43 by ciculation fluidized pipeline 432；

Middle effect cyclone dust collectors 462, middle effect cyclone dust collectors 462 are arranged between primary cyclone 461 and high efficiency cyclonic dust collector 463, middle effect cyclone dust collectors 462 are connected with ciculation fluidized pipeline 432 by pipeline, and the bottom of middle effect cyclone dust collectors 462 is connected with the bottom of primary cyclone 461.

The fluidisation pyrolysis installation using the present embodiment to provide carries out the method for sludge stream heat-transmission solution and is specially, use fluidized air blower that the mud powder of the moisture content 10%-20% in fluidized reactor is become fluidized state, then by heater, the mud powder after fluidisation is pyrolyzed, obtains powdered carbon.

The fluidisation pyrolysis of mud powder is carried out in a nitrogen environment；While the fluidisation pyrolysis of mud powder, adding steam gasification agent, make mud powder uniformly mix with steam gasification agent in mud powder, the fluidisation pyrolysis temperature of mud powder is 350 DEG C-550 DEG C.

nullThe course of work of the sludge stream pyrolysis installation of the present embodiment is: be sent in fluidized reactor obtaining mud powder through pulverizer pulverizing，Then nitrogen gas generating device is opened，Make whole fluidized reactor is full of nitrogen，Then fluidized air blower is opened，The gas that fluidized air blower produces is entered in fluidized reactor by valve，Making mud powder is fluidized state，Infrared burner bottom fluidized reactor is opened，Mud powder in fluidized reactor is heated，Heating-up temperature is 350 DEG C-550 DEG C，The at high temperature carbonization of mud powder，Powdered carbon particle after carbonization enters primary cyclone by ciculation fluidized pipeline，Bulky grain is through the first gap，Owing to wind speed lowers，Can enter in the gap between dividing plate and baffle plate，Owing to the bottom in this gap is not provided with valve，Oarse-grained powdered carbon has just fallen the bottom of fluidisation separator，Again carry out carbonization.And short grained powdered carbon just enters air-out passage by discharging opening, and then enter in primary cyclone, after entering primary cyclone, then sequentially enter middle rank cyclone dust collectors and senior cyclone dust collectors, carry out multi-level hierarchical；Middle rank cyclone dust collectors are connected with fluidized reactor by pipeline, for fluidized reactor and ciculation fluidized pipeline are carried out dedusting, senior cyclone dust collectors are connected with fluidized air blower by ciculation fluidized pipeline, for fluidized air blower and whole ciculation fluidized pipeline are carried out dedusting.Be provided with powdered carbon outlet through the bottom of cyclone separator, the powdered carbon after separation is discharged through powdered carbon outlet.

Embodiment 2

Present embodiments provide a kind of sludge disintegration drying device used described in embodiment 1 and carry out the method that sludge disintegration is dried, comprise the following steps:

Described step 1) in, the cracking of primary sludge includes preheating and pyrolysis, and described warm is that primary sludge is preheated by the heat utilizing mud lysate；Described pyrolysis is that the primary sludge after preheating carries out high-temperature pressurizing；After described pyrolyzing sludge liquid preheating primary sludge, its temperature is down to less than 80 DEG C.

The cracking temperature of described primary sludge is more than 300 DEG C, and cracking pressure is more than 10MPa.

Described step 2) in, mud lysate will add step 4) in the powdered carbon that obtains mix, mud lysate is 1:3 with the volume ratio of powdered carbon, squeezes mixed mud lysate.

Described step 2) in, described squeezing includes filtering from heavy filtration and extruding, and described deadweight is filtered into and is layered on by described mud lysate on weight pound filter cloth, utilizes mud lysate own wt to filter, makes the moisture content of mud lysate be down to less than 70%；Described extruding is filtered into the pressure that described heavy pound filter cloth applies more than 15MPa, makes the moisture content of mud lysate be down to less than 40%, obtains sludge cake.

Described step 3) in, use conduction oil that sludge cake is dried, or use the heat of the gas of fluidisation pyrolytic process discharge that sludge cake is dried.

Described step 4) in, before described dewatered sludge is carried out fluidisation pyrolysis, first described dewatered sludge is pulverized, obtain mud powder, then in mud powder, nitrogen is advertised, mud powder is made to be in fluidized state, simultaneously, in mud powder, add steam gasification agent, make mud powder uniformly mix with steam gasification agent, then mud powder is heated, heating-up temperature is 350 DEG C-550 DEG C, the powdered carbon obtained separates through cyclone separator, makes the powdered carbon that particle diameter is big continue fluidisation heating, and the powdered carbon making particle diameter little is discharged and collected.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims

1. a sludge disintegration drying device, it is characterised in that including:

Subcritical reaction device (1), described subcritical reaction device (1) is for carrying out primary sludge High-temperature pressurizing, makes primary sludge entrance subcritical state carry out cracking and obtains mud lysate, by obtain Mud lysate is sent to squeezer (2) by hydraulic grouting pump (21)；

Squeezer (2), described squeezer (2) fills with described subcritical reaction by entering mud pipe (22) Put (1) be connected, described hydraulic grouting pump (21) be arranged on described in enter on mud pipe (22)；Described pressure The bottom of crusher (2) is provided with outlet of sewer；Described squeezer (2) is for by the water in mud lysate Dividing potential drop goes out, and obtains sludge cake；

Drying machine (3), described drying machine (3), for being dried sludge cake, obtains dewatered sludge；

Fluidisation pyrolysis installation (4), described fluidisation pyrolysis installation (4) is connected with described drying machine (3), For being pyrolyzed by described dewatered sludge, obtain powdered carbon.

A kind of sludge disintegration drying device, it is characterised in that also include Activated carbon sewage-treatment plant (5), described activated carbon sewage-treatment plant (5) and described outlet of sewer It is connected.

A kind of sludge disintegration drying device, it is characterised in that also include Sludge conveyer (6), described sludge conveyer (6) is by primary sludge conveying pipe and described Asia Critical reaction device (1) is connected, for carrying primary sludge in described subcritical reaction device (1).

A kind of sludge disintegration drying device, it is characterised in that described dirt Mud conveying device (6) including:

First storage mud tank (61), described first storage mud tank (61) is used for storing primary sludge, and described the One storage mud tank (61) top offers gas discharge channel；

Plunger displacement pump (62), described plunger displacement pump (62) is arranged on the bottom of described first storage mud tank (61), Described plunger displacement pump (62) is by described primary sludge conveying pipe and described subcritical reaction device (1) phase Even, the pipeline of described plunger displacement pump (62) both sides is provided with check valve (63).

A kind of sludge disintegration drying device, it is characterised in that described Asia Critical reaction device (1) including:

Preheating can group (11), is provided with many and returns mud pipe (112) in described preheating can group (11), Return between mud pipe (112) described in many and described time mud pipe (112) and described preheating can group (11) side Gap between wall medial surface is formed into mud passage (111)；The two ends of described preheating can group (11) are divided Not offering the first charging aperture and the first discharging opening, described plunger displacement pump (62) passes through pipeline and described first Charging aperture is connected；The two ends of described time mud pipe (112) offer the second charging aperture and the second discharging respectively Mouthful, described second discharging opening is connected with described drying machine (3)；Described primary sludge enters from described first Material mouth enters in preheating can group (11)；

Heating tank group (12), described heating tank group (12) is by pipeline and described heater (13) It is connected, for primary sludge is carried out high-temperature pressurizing, makes primary sludge enter subcritical state and crack Obtain mud lysate；The 3rd charging aperture and the 3rd discharging opening is offered on described heating tank group (12), Described 3rd charging aperture is connected with described first discharging opening by pipeline, and described 3rd discharging opening is by pipe Road is connected with described second charging aperture；

Heater (13), described heater (13) is connected with described heating tank group (12), is used for Heat is provided for described heating tank group (12)；

Second storage mud tank (14), described second storage mud tank (14) includes the 4th charging aperture and the 4th discharging Mouthful, described 4th charging aperture is connected with described second discharging opening by total sludge out pipe (113), and described the Four discharging openings are connected with described hydraulic grouting pump (21)；

Cooler (15), described cooler (15) is arranged on described second storage mud tank (14) with described On pipeline between second discharging opening or be arranged in described second storage mud tank (14).

A kind of sludge disintegration drying device, it is characterised in that described in add Hot tank group (12) includes multiple heating tank by placed in series (121), the heating tank (121) of series connection In, it is positioned on the heating tank (121) at two ends and offers the 3rd charging aperture and the 3rd discharging opening respectively；Institute Stating and be provided with release drum (122) on heating tank (121), the 3rd of described heating tank (121) goes out At material mouth, thermometer (123) is installed；

Described heater (13) includes multiple heat conduction oil tank (131) and heat-conducting oil furnace (132)；Often One described heating tank (121) is the most all coated with a heat conduction oil tank (131), described heating tank (121) And it is coated between the heat conduction oil tank (131) of its outer wall and leaves space (133), each heating tank (121) And the space (133) being coated between the heat conduction oil tank (131) of its outer wall is interconnected；Described heat conduction Oil oven (132) is connected with described space (133) by petroleum pipeline.

7., according to sludge disintegration drying device a kind of described in any one of claim 1 to 6, its feature exists In, described squeezer (2) including:

Enter mud pipe (22), described in enter one end of mud pipe (22) and the defeated of described hydraulic grouting pump (21) Go out end to be connected；

Press section (23), described press section (23) with described enter mud pipe (22) the other end be connected； The tubular structure that described press section (23) blocks in one end；

Outlet pipe (24), one end of described outlet pipe (24) is connected with described press section (23).

A kind of sludge disintegration drying device, it is characterised in that described in enter Mud pipe (22) including:

One enter mud supervisor (221), described in enter mud supervisor (221) vertically arrange, described in enter mud supervisor (221) one end is connected with described hydraulic grouting pump (21), and its other end seals；

Many enter mud and are in charge of (222), and entering mud described in many, to be in charge of (222) horizontally disposed, described in enter mud Be in charge of the one end of (222) be connected to described in enter on the outer wall of mud supervisor (221) and in communication, it is another One end is connected with described press section (23)；

Described hydraulic grouting pump (21) including:

First hydraulic grouting pump (211), described first hydraulic grouting pump (211) passes through pipeline with described The lower end entering mud supervisor (221) is connected；

Multiple second hydraulic grouting pump (212), enter described in every mud be in charge of (222) with described enter mud master It is provided with second hydraulic grouting pump (212) between pipe (221).

A kind of sludge disintegration drying device, it is characterised in that described in go out Water pipe (24) including:

A piece water outlet main pipe (241), described water outlet main pipe (241) vertically arranges, described water outlet main pipe (241) one end is connected with described activated carbon sewage-treatment plant (5), and its other end seals；Described Enter mud supervisor (221) and described water outlet main pipe (241) is arranged symmetrically in the two of described press section (23) Side；

Many water outlets are in charge of (242), and it is horizontally disposed that (242) are in charge of in many described water outlets, described water outlet The one end being in charge of (242) is connected on the outer wall of described water outlet main pipe (241) and in communication, and it is another One end is connected with described press section (23).

A kind of sludge disintegration drying device, it is characterised in that described crowded Splenium (23) including:

Multiple squeezing storage mud oil cylinder (231), each described squeezing storage mud oil cylinder (231) side with extremely Enter mud described in few one to be in charge of (222) and be connected；Described squeezing storage mud oil cylinder (231) upper end is uncovered Structure and be coated with the first filter cloth (2311)；

Support (232), multiple described squeezings storage mud oil cylinder (231) are sequentially arranged in described from top to bottom Support (232) is upper and fixed thereto connected；

Hydraulic jack (233), described hydraulic jack (233) is arranged on multiple described squeezing storage mud oil cylinder (231) top and being slidably connected with described support (232), is used for extruding squeezing storage mud oil cylinder (231) In mud, obtain sludge cake；

Transmitting device (234), described transmitting device (234) is arranged horizontally in described squeezing storage mud oil cylinder (231) bottom, the both sides of each described squeezing storage mud oil cylinder (231) are correspondingly arranged transmitting device (234)。

11. a kind of sludge disintegration drying devices according to claim 10, it is characterised in that described biography Defeated device (234) including:

Two rotary shafts (2341), two described rotary shafts (2341) are parallel to each other and are arranged horizontally in The both sides of described squeezing storage mud oil cylinder (231), two rotary shafts (2341) are wound with the second filter cloth (2312)；

Hydraulic motor (2342), described hydraulic motor (2342) is connected with described rotary shaft (2341)；

Bucket (2343), described bucket (2343) is arranged on the lower section of described rotary shaft (2341).

12. according to sludge disintegration drying device a kind of described in claim 11, it is characterised in that described dry Dry machine (3) including:

Enter feed bin (31), described in enter feed bin (31) and be connected with described bucket (2343) by pipeline；

Support (32), described support (32) be arranged on described in enter the lower section of feed bin (31) and solid therewith Fixed connected；

Two chain wheel set (33), two described chain wheel set (33) left and right are arranged in parallel and are fixed on described The both sides of support (33)；

Article two, transmission chain (34), each described chain wheel set (33) outer sheath is connected to a transmission chain (34)；

Flight conveyor (35), described flight conveyor (35) is fixed on two described transmission chains (34) Between and enter the lower section of feed bin (31) described in being positioned at；

Reducing motor (36), described reducing motor (36) is connected with described chain wheel set (33)；

Scraper plate conveyer belt (37), one end of described scraper plate conveyer belt (37) is arranged on described carrier bar transmission The lower section of band (35)；

Described heater (13) also includes heat conducting oil pipe (134), described heat conducting oil pipe (134) Being connected with described heat-conducting oil furnace (132), described heat conducting oil pipe (134) uniform spreading is located at described first Support board (351) and the lower section of the second support board (352).

13. according to sludge disintegration drying device a kind of described in claim 12, it is characterised in that described chain Plate conveyer belt (35) including:

First support board (351), described first support board (351) is fixed on described support (32) And it is horizontally disposed；

Second support board (352), described second support board (352) is fixed on described support (32) And it is positioned at the lower section of described first support board (351)；Described heater (13) also includes with described The heat conducting oil pipe (134) that heat-conducting oil furnace (132) is connected, described heat conducting oil pipe (134) is uniform It is laid on described first support board (351) and the lower section of the second support board (352)；

Multiple carrier bars (353), multiple described carrier bars (353) are connected to described two transmission chains (34) Between and be in close contact each other；Described first support board (351) is positioned at described chain wheel set (33) Carrier bar (353) lower section of upside, described second support board (352) is positioned under described chain wheel set (33) Carrier bar (353) lower section of side；Described first support board (351) and described second support board (352) Heater (13) it is respectively and fixedly provided with on downside.

14. according to sludge disintegration drying device a kind of described in claim 13, it is characterised in that described biography Chain (34) is sent to include:

First chain (341), described first chain (341) is uniformly fixed with multiple first otic placode (343), Distance between each two the first otic placode (343) is equal with the width of described carrier bar (353)；

Second chain (342), with described first otic placode (343) phase on described second chain (342) To position on be fixed with multiple second otic placode；Multiple described carrier bars (353) are arranged in parallel in described Between one chain (341) and the second chain (342) and its two ends respectively with described first otic placode (343) Being rotatedly connected with the second otic placode, its tie point is positioned at the left side of described carrier bar (353) center, end Or right side；

Described first support board (351) and the second support board (352) lower section are respectively and fixedly provided with multiple steady wheel (354)。

15. according to sludge disintegration drying device a kind of described in any one of claim 12 to 14, its feature Being, described fluidisation pyrolysis installation (4) including:

Pulverizer (7), described pulverizer (7) is another by pipeline and described scraper plate conveyer belt (37) One end is connected；

Mud powder holding vessel (8), described mud powder holding vessel (8) is by pipeline and described pulverizer (7) It is connected；The bottom of described mud powder holding vessel (8) is provided with screw pump；

Fluidized reactor (41), the upper end of described fluidized reactor (41) offers the 5th discharging opening (413), The 5th charging aperture (414) is offered on its sidewall；Described screw pump is by pipeline and described 5th charging aperture (414) it is connected；

Heater (42), described heater (42) is arranged on the bottom of described fluidized reactor (41), Heat is provided for heating for the fluidisation of mud powder；

Fluidized air blower (43), described fluidized air blower (43) is by intake stack (431) and described stream Change reactor (41) to be connected.

16. according to sludge disintegration drying device a kind of described in claim 15, it is characterised in that described stream Be provided with dividing plate (411) and baffle plate (412) in changing reactor (41), described dividing plate (411) and Baffle plate (412) is parallel to each other and is arranged vertically at the lower section of described 5th discharging opening (413), described every The first gap (4111) is left between upper end and the upper wall of described fluidized reactor (41) of plate (411), The second gap (4112), described gear is left between the diapire of its lower end and described fluidized reactor (41) Third space (4121) is left between lower end and the diapire of described fluidized reactor (41) of plate (412).

17. according to sludge disintegration drying device a kind of described in claim 16, it is characterised in that described stream Change pyrolysis installation also to include:

Incubation cavity (48), described heater (42) is fixed on the diapire that described incubation cavity (48) is internal On；Described intake stack (431) through described incubation cavity (48) sidewall and fixed thereto be connected, One end that described intake stack (431) is positioned at described fluidized reactor (41) internal is provided with multiple gas Mouth (44), multiple described valves (44) be evenly arranged in the sidewall of described fluidized reactor (41) with Between described dividing plate (411)；The top of described incubation cavity (48) is provided with discharge duct (481), institute State and waste-heat recoverer (49) is installed on discharge duct (481)；

Nitrogen gas generating device (45), described nitrogen gas generating device (45) and described intake stack (431) It is connected；

Cyclone separator (46), described cyclone separator (46) passes through wind pipe (463) Being connected with described fluidized air blower (43), described cyclone separator (46) passes through ciculation fluidized pipeline (432) It is connected with described 5th discharging opening (413)；

Gasifying agent adding set (47), described gasifying agent adding set (47) and described waste-heat recoverer (49) it is connected；The upper connection of described gasifying agent adding set (47) has nozzle (471), described nozzle (471) through described incubation cavity (48) and connect with described fluidized reactor (41), for by gas Gasifying agent in agent adding set (47) sprays in fluidized reactor (41)；

Described heater (13) also includes multiple heating finned tube (135), multiple described heating wings Sheet pipe (135) is interconnected, and its uniform spreading is located at described first support board (351) and the second support board (352) lower section and be positioned at described first support board (351) and described heat conducting oil pipe (134) it Between and the second support board (352) and described heat conducting oil pipe (134) between；Described heating finned tube (135) one end is connected with described waste-heat recoverer (49) by pipeline, and its other end is interconnected.

18. according to sludge disintegration drying device a kind of described in claim 17, it is characterised in that described rotation Wind separator (46) including:

Primary cyclone (461), described primary cyclone (461) passes through wind pipe (463) It is connected with described 5th discharging opening (413)；

High efficiency cyclonic dust collector (463), recycle stream is passed through in described high efficiency cyclonic dust collector (463) upper end Change pipeline (432) to be connected with described fluidized air blower (43)；

Middle effect cyclone dust collectors (462), described middle effect cyclone dust collectors (462) are arranged on described primary Between cyclone separator (461) and described high efficiency cyclonic dust collector (463), described middle effect cyclone dust removal Device (462) is connected with described ciculation fluidized pipeline (432) by pipeline, described middle effect cyclone dust removal The bottom of device (462) is connected with the bottom of described primary cyclone (461).

19. 1 kinds of sludge disintegration drying means, it is characterised in that comprise the following steps:

1) primary sludge of moisture content 70%-80% is carried out high-temperature pressurizing, make primary sludge enter subcritical State carries out cracking and obtains mud lysate, and by grouting pump, the mud lysate obtained is sent to squeezing Machine；

2) mud lysate is squeezed, by mud lysate moisture extrude, obtain sewage and The sludge cake of moisture content less than 40%；

20. according to sludge disintegration drying means a kind of described in claim 19, it is characterised in that described step Rapid 1), in, the cracking of primary sludge includes preheating and pyrolysis, and described warm cracks for utilizing mud Primary sludge is preheated by the heat of liquid；Described pyrolysis is that the primary sludge after preheating is carried out high temperature and added Pressure；After described pyrolyzing sludge liquid preheating primary sludge, its temperature is down to less than 80 DEG C.

21. according to sludge disintegration drying means a kind of described in claim 20, it is characterised in that described former The cracking temperature of beginning mud is more than 300 DEG C, and cracking pressure is more than 10MPa.

22. according to sludge disintegration drying means a kind of described in claim 21, it is characterised in that described step Rapid 2), in, mud lysate will add step 4) in the powdered carbon that obtains mix, mud cracks Liquid is 1:3 with the volume ratio of powdered carbon, squeezes mixed mud lysate.

23. according to sludge disintegration drying means a kind of described in claim 22, it is characterised in that described step Rapid 2), in, described squeezing includes filtering from heavy filtration and extruding, and described deadweight is filtered into described mud Lysate is layered on weight pound filter cloth, utilizes mud lysate own wt to filter, makes mud lysate Moisture content be down to less than 70%；Described extruding is filtered into and described heavy pound filter cloth is applied more than 15MPa's Pressure, makes the moisture content of mud lysate be down to less than 40%, obtains sludge cake.

24. according to sludge disintegration drying means a kind of described in claim 23, it is characterised in that described step Rapid 3) in, use conduction oil that sludge cake is dried, or use the gas of fluidisation pyrolytic process discharge Heat sludge cake is dried.

25. according to sludge disintegration drying means a kind of described in claim 24, it is characterised in that described step Rapid 4), in, before described dewatered sludge is carried out fluidisation pyrolysis, first described dewatered sludge is pulverized, Obtain mud powder, then in mud powder, advertise nitrogen, make mud powder be in fluidized state, meanwhile, to Mud powder adds steam gasification agent, makes mud powder uniformly mix with steam gasification agent, then to dirt Mud powder heats, and heating-up temperature is 350 DEG C-550 DEG C, and the powdered carbon obtained enters through cyclone separator Row separates, and makes the powdered carbon that particle diameter is big continue fluidisation heating, and the powdered carbon making particle diameter little is discharged and collected.