CN208362154U - A kind of sludge treatment equipment - Google Patents
A kind of sludge treatment equipment Download PDFInfo
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- CN208362154U CN208362154U CN201820760904.8U CN201820760904U CN208362154U CN 208362154 U CN208362154 U CN 208362154U CN 201820760904 U CN201820760904 U CN 201820760904U CN 208362154 U CN208362154 U CN 208362154U
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Abstract
A kind of sludge treatment equipment, the device includes pyrolysis reactor, burner and pyrolysis gas gas washing mechanism, the pyrolysis reactor includes the multiple reactor tanks being linked in sequence, the reactor tank includes: sludge accommodating tank, including tank body and the sludge inlet, sludge outlet and the gas vent that are arranged on the tank body, pyrolysis gas gas washing mechanism is connect with the gas vent；Sludge delivery device, setting are connect in sludge accommodating tank, and with pyrolysis power-driven mechanism；And heating tank, it is sealed and coated on outside the sludge accommodating tank, there is the gas passage passed through for heat gas, the heating tank includes that heating tank body, hot gas inlet and heat outlet, the burner are connect with the hot gas inlet between the heating tank and sludge accommodating tank.The utility model structure is simple, at low cost, and the pyrolysis gas energy utilization of high fuel value is abundant, highly-safe, modularization installation, simple to operation, can satisfy the demand of Treatment of Sludge and environmental protection.
Description
Technical field
The utility model relates to sludge disposal technology, especially a kind of energy-efficient sludge treatment equipment.
Background technique
Sludge is the semisolid generated in sewage disposal process or solid state dirt, is that the great solid of a kind of harmfulness is useless
Object.With the large-scale development of modern city and towns, the quantity of sewage treatment plant is increasing, and sludge yield is consequently increased.It is dirty
Contain a large amount of organic matter and various strain pathogen in mud, also contains heavy metal and chemicals in industrial sludge.Sludge is shelved for a long time
It will lead to smelly, the poison gases such as generation methane, hydrogen sulfide that rot, and breed bacterium, mosquitos and flies, spread the disease, pollute water and soil, harm
Environment.If being not thorough ground safe handling and control, it will cause serious secondary pollution to environment.
Early stage is that sludge is toppled over or filled to the disposition of sludge, seriously endangers environment and occupies a large amount of soils.Existing skill
The disposition of art sludge is handled based on burning by single burning or other methods such as gasification or method for pyrolysis.Sludge is burnt
Burning processing can make sludge obtain maximum innoxious and minimizing.But sludge directly burns that there are efficiencies of combustion low, energy
The single problem of Land use systems, sludge incineration need to run at high temperature, and technology is relative complex, device one-time investment with
And during-operation service expense is larger.For the sewage treatment plant of middle-size and small-size scale (20000-200000 resident's equivalent), exist
The problems such as with high investment and a large amount of personal managements.And a large amount of toxic gases can be released by burning, and be also easy to produce serious secondary pollution.
Utility model content
Technical problem to be solved in the utility model is in view of the above problems in the prior art, to provide a kind of energy-efficient
Sludge treatment equipment.
To achieve the goals above, the utility model provides a kind of sludge treatment equipment, comprising: pyrolysis reactor, combustion
Burner and pyrolysis gas gas washing mechanism, wherein the pyrolysis reactor includes multiple reactor tanks, and the multiple reactor tank sequence connects
It connects, the burner is connect with the afterbody of the multiple reactor tank, and pyrolysis gas gas washing mechanism is reacted with the multiple
The first order of tank connects, and the reactor tank includes:
Sludge accommodates tank, including tank body and the sludge inlet, sludge outlet and the gas vent that are arranged on the tank body, institute
It states sludge inlet and the sludge outlet is separately positioned on the both ends of the tank body, the gas vent and the sludge inlet position
In the same end, pyrolysis gas gas washing mechanism is connect with the gas vent；
Sludge delivery device, setting are connect in sludge accommodating tank, and with pyrolysis power-driven mechanism；And
Heating tank is sealed and coated on outside the sludge accommodating tank, and is coaxially disposed with sludge accommodating tank, the heating
There is the gas passage passed through for heat gas between tank and sludge accommodating tank, the heating tank include heating tank body,
Hot gas inlet and heat outlet, the burner are connect with the hot gas inlet.
Above-mentioned sludge treatment equipment, wherein the sludge delivery device be spiral pushing bar, the spiral pushing bar with
The sludge accommodating tank coaxial arrangement, the both ends of the spiral pushing bar pass through bearing support in sludge accommodating tank respectively
On tank body, the pyrolysis power-driven mechanism is connect with one end of the spiral pushing bar.
Above-mentioned sludge treatment equipment, wherein the spiral pushing bar is hollow stem, and the body of rod of the hollow stem includes interior
Layer bar wall and outer layer bar wall, are provided with the hot gas path passed through for heat gas between the internal layer bar wall and outer layer bar wall,
The body of rod both ends are respectively arranged with heating gas inlet and heat gas outlet, and the heating gas inlet goes out with heat gas
Mouth is connected to the hot gas path respectively, and the burner is connect with the heating gas inlet.
Above-mentioned sludge treatment equipment, wherein the sludge delivery device is that setting accommodates on top tank structure in the sludge
Inner helical surface, one end that pyrolysis power-driven mechanism and the sludge accommodate tank is connect.
Above-mentioned sludge treatment equipment, wherein be provided on the tank wall of the sludge accommodating tank for increasing hot friendship
Change the spiral fin of efficiency.
Above-mentioned sludge treatment equipment, wherein pyrolysis gas gas washing mechanism includes shell, be provided on the shell into
Port, gas outlet, inlet and outlet are provided with moisture separator and rotating sprinklers, the rotation spray in the shell
It spills device to connect by the water inlet with gas washing water water supply pipe, the hull outside is equipped with rotary power driving mechanism, institute
Rotary power driving mechanism is stated to connect with the rotating sprinklers.
Above-mentioned sludge treatment equipment, wherein the rotating sprinklers include rotating disk and gas washing bucket, the rotating disk
Connect with the rotary power driving mechanism, the gas washing bucket include be arranged in internal gas washing water channel and with the gas washing water
Multiple sparge pipes of road connection, the gas washing water channel are connected to the gas washing water lines, and the sparge pipe and the rotating disk connect
It connects.
Above-mentioned sludge treatment equipment, wherein the rotating disk is chain conveyer or band with the rotary power driving mechanism
Transmission connection.
Above-mentioned sludge treatment equipment, wherein the outlet pipe of pyrolysis gas gas washing mechanism is connect with apparatus for treating sewage.
Above-mentioned sludge treatment equipment, wherein be additionally provided between pyrolysis gas gas washing mechanism and the burner
Filter structure.
The utility model has the technical effect that
1) using unitized heating method, so that heating equipment and heating stepses obtain effectively in sludge handling process
Simplify, more conducively operates and control heating temperature and heating process；
2) it realizes that the energy of pyrolysis gas flows back by counter-current gas and solid contact to recycle；
3) modularized design is used, can be combined at scene as needed, installation is simple, sludge handling process adjustment spirit
It is living；
4) overall investment is few；
5) keep pyrolysis gas inert to meet the requirement of safe practice by pyrolysis gas reflux and steam mixing；
6) easy to operate, easily starting and closing.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Detailed description of the invention
Fig. 1 is the sludge treatment equipment schematic diagram of an embodiment of the present invention；
Fig. 2 is the reactor tank structural schematic diagram of an embodiment of the present invention；
Fig. 3 is the reactor tank structural schematic diagram of another embodiment of the present invention；
Fig. 4 is the pyrolysis gas gas washing mechanism structural schematic diagram of an embodiment of the present invention；
Fig. 5 is the sludge treatment equipment schematic diagram of another embodiment of the utility model；
Fig. 6 is the sludge treatment equipment schematic diagram of another embodiment of the utility model.
Wherein, appended drawing reference
1 pyrolysis reactor
11 sludge accommodate tank
111 tank bodies
112 sludge inlets
113 sludge outlets
114 gas vents
115 spiral fins
12 sludge delivery devices
121 spiral pushing bars
122 hot gas paths
123 heating gas inlet, 124 heat gas exports 125 internal layer bar walls
126 outer layer bar walls
13 heating tanks
131 heating tank bodies
132 hot gas inlets
133 heat outlets
14 gas passages
15 pyrolysis power-driven mechanisms
16 brackets
17 first reactor tanks
18 second reactor tanks
19 third reactor tanks
2 burners
3 pyrolysis gas gas washing mechanisms
31 shells
311 air inlets
312 gas outlets
313 water inlets
314 water outlets
315 overflow ports
316 motor racks
32 moisture separators
33 rotating sprinklers
331 rotating disks
332 gas washing buckets
34 rotary power driving mechanisms
4 active carbon adsorbers
5 oil eliminators
6 sludge storage tanks
7 residue storage tanks
8 apparatus for treating sewage
Specific embodiment
The structural principle of the utility model and working principle are described in detail with reference to the accompanying drawing:
It is the sludge treatment equipment schematic diagram of an embodiment of the present invention referring to Fig. 1, Fig. 1.The sludge of the utility model
Processing unit, comprising: pyrolysis reactor 1, burner 2 and pyrolysis gas gas washing mechanism 3, wherein the pyrolysis reactor 1 includes knot
The identical multiple reactor tanks of structure, the multiple reactor tank are linked in sequence, the burner 2 and the multiple reactor tank last
Grade or what rear connection, pyrolysis gas gas washing mechanism 3 are connect with the first order of the multiple reactor tank.The sludge treatment equipment
Burner 2 gas burner or oil burner heat gas can be used, provide enough heats for Treatment of Sludge.It is multiple anti-
Answer tank that can synchronize the drying and pyrolysis realized to sludge, and multiple reactor tanks use identical structure, and module metaplasia may be implemented
It produces, layout can be combined according to place situation and sludge quantity to be treated；The pyrolysis gas generated in sludge handling process
Purified treatment completed by pyrolysis gas gas washing mechanism 3, reach after discharge standard can direct burning and exhausting, or can also be with
Burner 2 is inducted into after being purified to its further recycling.The sludge treatment equipment generally uses multiple reactor tanks,
Because reactor tank quantity difference when, working principle is no difference, therefore is with 3 reactor tanks in the embodiments of the present invention
Example is illustrated, and can be adjusted in actual use according to the difference of Treatment of Sludge parameter to the quantity of reactor tank.In the first order
Reactor tank in realize drying to sludge, the sludge after drying is further dried in intermediate reactor tank and preliminary heat
Solution completes whole pyrolysis processings to sludge in last reactor tank, and the inorganic sludge residue after pyrolysis processing is discharged.
The outlet pipe of pyrolysis gas gas washing mechanism 3 can be connect with apparatus for treating sewage 8, or be connected into sewage treatment plant, sewage purification
After return to pyrolysis gas gas washing mechanism 3 as gas washing water be recycled.In order to guarantee safety, also set up in the present embodiment
There is igniter 9, when problem alarm occurs for burner 2, the pyrolysis gas crossed through gas washing temporarily can directly be burnt by igniter 9
Discharge.
Referring to fig. 2, Fig. 2 is the reactor tank structural schematic diagram of an embodiment of the present invention.Reactor tank is mountable to be supported on
On bracket 16, the reactor tank includes: sludge accommodating tank 11, is that the work of Treatment of Sludge is held for accommodating sludge to be processed
The all processes of device, Treatment of Sludge are completed in sludge accommodating tank 11.Sludge accommodates tank 11 and includes tank body 111 and be arranged in institute
Sludge inlet 112, sludge outlet 113 and the gas vent 114 on tank body 111 are stated, the preferably described sludge inlet 112 and the dirt
Mud outlet 113 is separately positioned on the both ends of the tank body 111, and is located on different directions, transports length to meet sludge maximum,
Guarantee the enough processing time, keeps processing more abundant, the gas vent 114 can be with the sludge inlet 112 or sludge outlet
113 are located at the same end, and pyrolysis gas gas washing mechanism 3 is connect with the gas vent 114；Sludge delivery device 12 is used for
In sludge handling process, sludge is accommodated into the sludge in tank 11, sludge outlet 113 is pushed to by sludge inlet 112, be arranged in institute
It states in sludge accommodating tank 11, and connect with pyrolysis power-driven mechanism 15；And heating tank 13, for adding to sludge accommodating tank 11
Heat provides the temperature environment for meeting drying sludge pyrolysis, and heating tank 13 is sealed and coated on outside sludge accommodating tank 11, and with institute
It states sludge accommodating tank 11 to be coaxially disposed, has between the heating tank 13 and sludge accommodating tank 11 and pass through for heat gas
Gas passage 14,14 unbroken loop of gas passage around sludge accommodating tank 11 tank body 111 outer wall；The heating tank 13 includes
Heating tank body 131, hot gas inlet 132 and heat outlet 133, the burner 2 are connect with the hot gas inlet 132.In order to mention
High heating efficiency makes full use of the heat of heat gas, the hot gas inlet 132 can be made to be located at the sludge outlet 113 same
Side, the heat outlet 133 are located at the same side with the sludge inlet 112.In the present embodiment, in order to guarantee the circulation of hot gas
With sufficient heat exchange, increase heat exchange efficiency, the sludge accommodates also settable for increasing heat on 111 outer wall of tank body of tank 11
The fin of exchange efficiency, it is contemplated that the efficiency of processing, the convenience of installation and operation and heat exchange, preferable spiral fin
115, the spiral fin 115 also can effectively avoid sludge viscosity it is larger when, the case where being easy to happen blocking in heating process.Object
It can be attached on 111 inner wall of tank body of sludge accommodating tank 11 in matter drying process due to bonding, due to the wing of spiral fin 115
Distance is very short between piece and 111 inner wall of tank body of sludge accommodating tank 11, can stir the object being attached on 111 inner wall of tank body in time
Matter effectively avoids bonding caused blocking.For the purposes of improving the utilization rate of heat, the loss of heat is avoided, the heating tank 13
131 outer wall of heating tank body on can also coat insulating layer, or set wall-sandwiched layer structure for heating tank body 131 in favor of protecting
Temperature.
The sludge inlet 112 of each reactor tank in multiple reactor tanks is connect with the sludge outlet 113 of the latter reactor tank,
First sludge inlet 112 is connect with sludge storage tank 6, and the sludge outlet 113 of the last one reactor tank is connect with residue storage tank 7.
The burner 2 is connect with the hot gas inlet 132 of the reactor tank, and the heat outlet 133 of each reactor tank is reacted with upper level
The hot gas inlet 132 of tank connects, and the hot gas in the heat outlet 133 of first order reactor tank is discharged after being finally cooled to room temperature.Institute
Pyrolysis gas gas washing mechanism 3 is stated to connect with the gas vent 114.When reactor tank is multiple, it is arranged in first and intermediate anti-
Gas access can also be arranged by answering the sludge of tank to accommodate on tank 11, the gas vent 114 of the gas access and next stage reactor tank
Connection can also will be each anti-to realize that pyrolysis gas can drive in the wrong direction in each sludge accommodating tank 11 with the moving direction of sludge
The gas vent 114 of tank is answered to connect respectively with pyrolysis gas gas washing mechanism 3, it is without limitation.
In order to which the pyrolysis gas for enabling Treatment of Sludge to generate further is utilized, also settable suction mechanism is realized
The reverse flow of pyrolysis gas and sludge, so that the sludge in the pyrolysis gas and tank that generate in sludge accommodating tank 11 comes into full contact with, from
It recovers energy in the pyrolysis gas of generation, reaches maximally utilizing for energy.The suction mechanism for example can be asepwirator pump, the air-breathing
Pump connect with the gas vent 114, and is accommodated tank 11 with the sludge and be connected to, and will directly can be generated in sludge accommodating tank 11
Pyrolysis gas is drained to gas vent 114, and the pyrolysis gas drawn by gas vent 114 can enter pyrolysis gas gas washing mechanism 3 and purify
Processing reaches directly burning discharge after discharge standard, can also introduce burner 2 and further be used as heat gas.
Wherein, the sludge delivery device 12 is preferably spiral pushing bar 121, the spiral pushing bar 121 and the dirt
Mud accommodates tank 11 and is coaxially disposed, and the both ends of the spiral pushing bar 121 pass through bearing support respectively and accommodate tank 11 in the sludge
Tank body 111 on, the pyrolysis power-driven mechanism 15 is connect with one end of the spiral pushing bar 121, the pyrolysis power drive
Motivation structure 15 for example can be motor.When work, motor driven spiral pushing bar 121 is rotated, and dirt is added by sludge inlet 112
Mud accommodates the sludge in the tank body 111 of tank 11, mobile to sludge outlet 113 under the promotion of spiral pushing bar 121.
It is the reactor tank structural schematic diagram of another embodiment of the present invention referring to Fig. 3, Fig. 3.In another implementation of the utility model
In example, the preferable spiral pushing bar 121 is hollow stem, and one end of the hollow stem is provided with heating gas inlet 123, described
The other end of hollow stem is provided with heat gas outlet 124.In more optimized embodiment, the body of rod of the hollow stem includes internal layer
Bar wall 125 and outer layer bar wall 126 are provided between the internal layer bar wall 125 and outer layer bar wall 126 and to pass through for heat gas
Hot gas path 122, the body of rod both ends are respectively arranged with heating gas inlet 123 and heat gas outlet 124, the heating gas
Body entrance 123 is connected to the hot gas path 122 respectively with heat gas outlet 124, the burner 2 and the heat gas
Entrance 123 connects.
In another embodiment of the utility model, the sludge delivery device 12 or setting are held in the sludge
The inner helical surface on 111 inner wall of tank body of tank 11 is set, the pyrolysis power-driven mechanism 15 and the sludge accommodate the one of tank 11
End connection.When being pyrolyzed the drive sludge accommodating rotation of tank 11 of power-driven mechanism 15, the sludge in tank body 111 is with tank body
111 rotation, the inner helical surface on 111 inner wall of tank body can push sludge mobile to sludge outlet 113 with rotation.
Referring to fig. 4, Fig. 4 is the pyrolysis gas gas washing mechanism structural schematic diagram of an embodiment of the present invention.The pyrolysis gas
Gas washing mechanism 3 includes shell 31, is provided with air inlet 311, gas outlet 312, water inlet 313 and water outlet on the shell 31
314, moisture separator 32 and rotating sprinklers 33 are provided in the shell 31, and the rotating sprinklers 33 pass through the water inlet
Mouth 313 is connect with gas washing water water supply pipe, is equipped with rotary power driving mechanism 34 on the outside of the shell 31, which drives
Motivation structure 34 may be, for example, motor, and the rotary power driving mechanism 34 is connect with the rotating sprinklers 33.
Wherein, the rotating sprinklers 33 include rotating disk 331 and gas washing bucket 332, the rotating disk 331 and the rotation
Power drive mechanism 34 is rotated to connect, the gas washing bucket 332 include be arranged in internal gas washing water channel and with the gas washing water channel
Multiple sparge pipes of connection, the gas washing water channel are connected to the gas washing water water supply pipe, the sparge pipe and the rotating disk
331 connections.Wherein, the rotating disk 331 is preferably that chain conveyer or V belt translation are connect with the rotary power driving mechanism 34.Institute
Stating gas washing bucket 332 can be fixedly mounted in the shell 31 by supporting beam, and the rotating disk 331 is mounted on the gas washing water
On bucket 332.The multiple sparge pipe is arranged and is uniformly distributed around the gas washing water channel, and gather multiple water sprays on each sparge pipe
Hole.Wherein, the also settable sealing structure in junction of the rotating disk 331 and the gas washing bucket 332.
In the present embodiment, the preferably described air inlet 311 is located at the lower part of the shell 31, and the gas outlet 312 is located at institute
The upper end of shell 31 is stated, the water inlet 313 is arranged corresponding to the gas washing bucket 332, and the water outlet 314 is located at the shell
The bottom of body 31 is provided with motor rack 316 on 31 outer wall of shell, and the rotary power driving mechanism 34 is mounted on the electricity
In rack 316, the position of the motor rack 316 is arranged corresponding to rotating sprinklers 33, with facilitate rotary power driving mechanism 34 with
The connection of rotating disk 331.The position of also settable overflow port 315 on the shell 31, the overflow port 315 is higher than the water outlet
Mouth 314.
When work, pyrolysis gas enters in shell 31 from air inlet 311, and rotating disk 331 drives multiple sparge pipe rotary water jets,
Purified treatment is carried out to pyrolysis gas, purified pyrolysis gas recycles again after being discharged from gas outlet 312；Sewage can lead to
It crosses sewage disposal device or is discharged into the further purified treatment of sewage treatment plant, the sludge treatment equipment of the utility model is most preferably built
Near sewage treatment plant, the waste water that can use sewage treatment plant carries out gas washing, can directly return at sewage after washing gas
Factory is managed, waste water can be efficiently used, saves cost；If condition, which limits, to be built near sewage treatment plant, need individually
Increase sewage disposal device, sewage returns to sewage treatment plant or sewage disposal device after the discharge of water outlet 314, through sewage treatment
It is re-used as gas washing water after 8 treatment and purification of apparatus for treating sewage in factory or sewage disposal device, gas washing is entered by water inlet 313
After bucket 332, by hydraulic pressure from multiple sparge pipes are advanced into, the multiple sparge pipes rotation driven again by rotating disk 331 sprays, complete
At a scrubbing loop.In gas scrubbing, the aeroge (solid particle and liquid particles including suspension) in pyrolysis gas is removed
It goes, vapor is condensed discharge in gas scrubbing, and pernicious gas and substance such as ammonia, hydrogen chloride etc. are adsorbed with water, part weight
Metal is removed, and activated carbon adsorption removal can be used in remaining such as mercury and cadmium, and clean pyrolysis gas is discharged by gas outlet 312.
Referring to Fig. 5, Fig. 5 is the sludge treatment equipment schematic diagram of another embodiment of the utility model.The present embodiment with it is aforementioned
The main distinction of embodiment is, wherein is provided between the burner 2 and pyrolysis gas gas washing mechanism 3 further net
Change the filter mechanism of pyrolysis gas, which is preferably active carbon adsorber 4.
It is the sludge treatment equipment schematic diagram of another embodiment of the utility model referring to Fig. 6, Fig. 6.The present embodiment with it is aforementioned
The main distinction of embodiment is, wherein the heat gas that burner 2 comes out can be dispensed into rear several reactor tanks in parallel,
It is respectively while to enter the second reactor tank 18 and third reactor tank 19 in the present embodiment, the heat gas of each reactor tank distribution
Mass flow can be calculated according to the specific requirement of Treatment of Sludge.It is respectively enterd by the hot gas after the burner 2 heating
The heating tank of the heating tank of the third reactor tank 19 and second reactor tank 18, and the heating through first reactor tank 17
After tank, it is cooled to room temperature discharge.
The utility model carries out drying sludge in the first reactor tank 17, and dewatered sludge is reacted by described first
The sludge inlet 112 of tank 17 is conveyed into the sludge accommodating tank 11 of first reactor tank 17, the dirt of first reactor tank 17
Mud delivery device 12 pushes sludge to 113 direction of sludge outlet of the first reactor tank 17, wherein first reactor tank 17
Heating temperature is preferably 200-300 degree；Sludge is further dried in the second reactor tank 18 and is tentatively pyrolyzed, it is anti-through described first
It answers the sludge in tank 17 after drying to enter the second reactor tank 18, and is further dried and preliminary heat in second reactor tank 18
Solution is pyrolyzed the entrance of gas vent 114 first reactor tank of pyrolysis gas and vapor through second reactor tank 18 of generation
In 17, and pyrolysis gas gas washing mechanism 3, second reactor tank are introduced by the gas vent 114 of first reactor tank 17
18 heating temperature is preferably 300-800 degree；Pyrolysis is completed in third reactor tank 19, through the preliminary heat of second reactor tank 18
The sludge of solution enters third reactor tank 19, and pyrolysis is completed in the third reactor tank 19, is pyrolyzed the pyrolysis gas of generation through institute
The gas vent 114 for stating the sludge accommodating tank 11 of third reactor tank 19 enters the sludge accommodating tank 11 of second reactor tank 18
It is interior；The hot gas inlet 132 of the heating tank 13 of the third reactor tank 19 is connect with the burner 2, the third reactor tank 19
Heating temperature be preferably 600-1000 degree；
Wherein, the direction of motion of the traffic direction of the pyrolysis gas and vapor and the sludge is on the contrary, introduce the heat
Enter the burner 2 after the pyrolysis gas containing aeroge and vapor for gas washing mechanism 3 of venting one's spleen are purified, wherein vapor
After 3 gas washing of pyrolysis gas gas washing mechanism condensation be discharged with waste water, into burner 2 cleaning pyrolysis gas by the burning
Device 2 is again introduced into the heating tank 13 of the third reactor tank 19 after heating, and sequence enters the heating of second reactor tank 18
The heating tank 13 of tank 13 and the first reactor tank 17, provides energy, completes the entire dry thermal cracking process of sludge.
In the embodiment shown in fig. 6, the third reactor tank 19 is entered by the hot gas after the burner 2 heating simultaneously
Heating tank 13 and second reactor tank 18 heating tank 13, it is cooling and after the heating tank 13 of first reactor tank 17
It is discharged to room temperature.That is the heating tank 13 and burner of the heating tank 13 of the third reactor tank 19 and second reactor tank 18
2 are connected in parallel.
Referring again to Fig. 1 and Fig. 2, in this embodiment, the sludge outlet 113 and the second reactor tank of the first reactor tank 17
18 sludge inlet 112 connects, and the sludge outlet 113 of the second reactor tank 18 is connect with the sludge inlet 112 of third reactor tank 19,
The sludge outlet 113 of third reactor tank 19 is connect with residue storage tank 7, will in treated sludge residue is discharged into residue storage tank 7 with
Carry out landfill or other subsequent processings.The hot gas inlet 132 of third reactor tank 19 is connect with burner 2, the second reactor tank 18
Hot gas inlet 132 is connect with the heat outlet 133 of third reactor tank 19, and the hot gas inlet 132 of the first reactor tank 17 and second is instead
The heat outlet 133 of tank 18 is answered to connect, the heating tail gas of the heat outlet 133 of the first reactor tank 17 passes through fan coolling to room temperature
After can be expelled directly out outdoor.The gas vent 114 of third reactor tank 19 is connect with the gas access of the second reactor tank 18, and second is anti-
The gas vent 114 of tank 18 and the gas access of the first reactor tank 17 is answered to connect, the gas vent 114 and heat of the first reactor tank 17
Gas washing mechanism 3 of venting one's spleen connection, the pyrolysis gas and sludge traffic direction that third reactor tank 19 generates, which drive in the wrong direction, enters the second reactor tank 18,
It drives in the wrong direction with the pyrolysis gas and vapor generated in the second reactor tank 18 with the sludge traffic direction in the tank and enters the first reactor tank
17, and it is discharged into pyrolysis gas gas washing mechanism 3 from the gas vent 114 of the first reactor tank 17, it is purified through pyrolysis gas gas washing mechanism 3, then
It is further purified through active carbon adsorber 4, eventually becomes clean pyrolysis gas into entering after burner 2 heats, reenter the
Three reactor tanks 19 are recycled as heat gas.The gas washing water of pyrolysis gas gas washing mechanism 3 can be net directly from sewage treatment plant
Sewage after change, the sewage that pyrolysis gas gas washing mechanism 3 is discharged returns to sewage treatment plant after the separation of oil eliminator 5, at sewage
Gas washing water circulation use is used as after reason.
The utility model can successively complete drying and pyrolysis to sludge by the way that pyrolysis reactor is applied in combination, at sludge
Device is managed without in addition increasing drying equipment, device structure is similar in the dry technical process different with being pyrolyzed, and may be implemented
Modularized production, thus be conducive to be combined layout according to place situation, assembling is simple, conveniently, significantly reduce relative to
The cost of equipment of the prior art is put into and management cost.Using unitized heating method, so that being heated in sludge handling process
Equipment and heating stepses are effectively simplified, and heating temperature and heating process are more conducively operated and control；Pass through counter-current gas
It realizes that the energy of pyrolysis gas flows back with solid contact to recycle；And keep pyrolysis gas inert by pyrolysis gas reflux and steam mixing
To meet the requirement of safe practice.
Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence
In the case of, those skilled in the art work as can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. a kind of sludge treatment equipment, comprising: pyrolysis reactor, burner and pyrolysis gas gas washing mechanism, which is characterized in that described
Pyrolysis reactor includes multiple reactor tanks, and the multiple reactor tank is linked in sequence, the burner and the multiple reactor tank
Afterbody connection, pyrolysis gas gas washing mechanism are connect with the first order of the multiple reactor tank, and the reactor tank includes:
Sludge accommodates tank, including tank body and the sludge inlet, sludge outlet and the gas vent that are arranged on the tank body, the dirt
Mud entrance and the sludge outlet are separately positioned on the both ends of the tank body, and the gas vent and the sludge inlet are located at same
One end, pyrolysis gas gas washing mechanism are connect with the gas vent；
Sludge delivery device, setting are connect in sludge accommodating tank, and with pyrolysis power-driven mechanism；And
Heating tank is sealed and coated on outside sludge accommodating tank, and with sludge accommodating tank coaxial arrangement, the heating tank with
There is the gas passage passed through for heat gas, the heating tank includes heating tank body, hot gas between the sludge accommodating tank
Entrance and heat outlet, the burner are connect with the hot gas inlet.
2. sludge treatment equipment as described in claim 1, which is characterized in that the sludge delivery device is spiral pushing bar,
The spiral pushing bar and sludge accommodating tank coaxial arrangement, the both ends of the spiral pushing bar pass through bearing support respectively and exist
On the tank body of the sludge accommodating tank, the pyrolysis power-driven mechanism is connect with one end of the spiral pushing bar.
3. sludge treatment equipment as claimed in claim 2, which is characterized in that the spiral pushing bar be hollow stem, it is described in
The body of rod of empty bar includes internal layer bar wall and outer layer bar wall, is provided between the internal layer bar wall and outer layer bar wall for heat gas
By hot gas path, the body of rod both ends be respectively arranged with heating gas inlet and heat gas outlet, the heat gas
Entrance is connected to the hot gas path respectively with heat gas outlet, and the burner is connect with the heating gas inlet.
4. sludge treatment equipment as described in claim 1, which is characterized in that the sludge delivery device is to be arranged in the dirt
Mud accommodates the inner helical surface on top tank structure, and the pyrolysis power-driven mechanism is connect with one end of sludge accommodating tank.
5. the sludge treatment equipment as described in claim 1,2,3 or 4, which is characterized in that outside the tank body of the sludge accommodating tank
The spiral fin for increasing heat exchanger effectiveness is provided on wall.
6. such as claim 1,2,3 or 4 or the sludge treatment equipment, which is characterized in that pyrolysis gas gas washing mechanism packet
Shell is included, air inlet, gas outlet, inlet and outlet are provided on the shell, aqueous vapor separation is provided in the shell
Device and rotating sprinklers, the rotating sprinklers are connect by the water inlet with gas washing water water supply pipe, the hull outside
Rotary power driving mechanism is installed, the rotary power driving mechanism is connect with the rotating sprinklers.
7. sludge treatment equipment as claimed in claim 6, which is characterized in that the rotating sprinklers include rotating disk and gas washing
Bucket, the rotating disk are connect with the rotary power driving mechanism, and the gas washing bucket includes that internal gas washing water is arranged in
Road and the multiple sparge pipes being connected to the gas washing water channel, the gas washing water channel are connected to the gas washing water lines, the water spray
Pipe is connect with the rotating disk.
8. sludge treatment equipment as claimed in claim 7, which is characterized in that the rotating disk and the rotary power driving machine
Structure is that chain conveyer or V belt translation connect.
9. the sludge treatment equipment as described in claim 1,2,3 or 4, which is characterized in that pyrolysis gas gas washing mechanism goes out
Water pipe is connect with apparatus for treating sewage.
10. the sludge treatment equipment as described in claim 1,2,3 or 4, which is characterized in that pyrolysis gas gas washing mechanism and institute
It states and is additionally provided with filter mechanism between burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108585406A (en) * | 2018-05-22 | 2018-09-28 | 德州隆科石油装备有限公司 | A kind of method for sludge treatment and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108585406A (en) * | 2018-05-22 | 2018-09-28 | 德州隆科石油装备有限公司 | A kind of method for sludge treatment and device |
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