CN109553272A - A kind of sludge treatment equipment and its processing method - Google Patents
A kind of sludge treatment equipment and its processing method Download PDFInfo
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- CN109553272A CN109553272A CN201910043983.XA CN201910043983A CN109553272A CN 109553272 A CN109553272 A CN 109553272A CN 201910043983 A CN201910043983 A CN 201910043983A CN 109553272 A CN109553272 A CN 109553272A
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- pressure
- pipe
- pressure container
- pressure vessel
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- 239000010802 sludge Substances 0.000 title claims abstract description 168
- 238000003672 processing method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000007701 flash-distillation Methods 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of sludge treatment equipments, including tube heat exchanger, feed pipe, discharge pipe, flash distillation pipeline and at least two pressure vessels, tube heat exchanger include cold burden pipe and hot material pipe；Each pressure vessel passes through a material inlet valve and is connected with feed pipe；Each pressure vessel passes through a discharge valve and is connected with discharge pipe；Each pressure vessel passes through a steam inlet pipe road and a steam outlet pipe road and is connected to flash distillation pipeline, and admission valve is provided on steam inlet pipe road, gas outlet valve door is provided on steam outlet pipe road.Sludge treatment equipment of the invention, Treatment of Sludge can be carried out by being not required to dedicated flash tank, and flash distillation pipeline only carries out the conveying of steam, and due to the buffering of material, flash process is gentle, safe, and corresponding component reduces the investment of equipment, reduce operating cost without abrasion.The invention also discloses a kind of processing methods of sludge treatment equipment.
Description
Technical field
The present invention relates to a kind of sludge treatment equipment and its processing methods.
Background technique
In recent years, with the fast development of urban civilization and industrial civilization, the people proposes higher want to environment
It asks, water treatment field is also flourished, and the yield of the byproduct " sludge " of corresponding water process is also increasing, together
When, pyrohydrolysis and hydrothermal carbonization technique are also widely used in Treatment of Sludge；In both techniques, sludge pumping
Boosting is heated in pressure vessel, after reaching certain temperature, pressure and other process conditions, needs to be transported to dedicated sudden strain of a muscle
The recycling of heat is carried out in steaming pot, the component in flash tank is easier to wear in the case where the high speed of high temperature and pressure material is washed away.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of sludge treatment equipment is provided, dedicated flash tank is not required to
Treatment of Sludge can be carried out, flash distillation pipeline only carries out the conveying of steam, and due to the buffering of material, flash process is gentle, safe, phase
It answers component without abrasion, reduces the investment of equipment, reduce operating cost.
Another object of the present invention is to provide a kind of processing method of sludge treatment equipment.
Realize a kind of technical solution of above-mentioned purpose be: a kind of sludge treatment equipment, including tube heat exchanger, feed pipe,
Discharge pipe, flash distillation pipeline and at least two pressure vessels, in which:
Agitating device, safe pressure relief device, heating apparatus, temperature sensor and emptying are provided on each pressure vessel
Valve；
The tube heat exchanger includes cold burden pipe and hot material pipe；
Each pressure vessel passes through a material inlet valve and is connected with the feed pipe, the import of the feed pipe
It is connected with the outlet of the cold burden pipe of the tube heat exchanger；
Each pressure vessel passes through a discharge valve and is connected with the discharge pipe, the outlet of the discharge pipe
It is connected with the import of the hot material pipe of the tube heat exchanger；
Each pressure vessel passes through a steam inlet pipe road and a steam outlet pipe road and is connected to the flash distillation pipeline, it is described into
It is provided with admission valve on steam pipe road, is provided with gas outlet valve door on the steam outlet pipe road；
The feeding work of the feed pipe is completed by a feeding device.
A kind of above-mentioned sludge treatment equipment, the quantity of the pressure vessel are three, respectively first pressure container, the
Two pressure vessels and third pressure vessel, in which:
The first pressure container is connected by the first material inlet valve with the feed pipe, and the first pressure container is logical
It crosses the first discharge valve to be connected with the discharge pipe, is provided with the first inlet valve on the steam inlet pipe road of the first pressure container
, the first gas outlet valve door is provided on the steam outlet pipe road of the first pressure container；
The second pressure container is connected by the second material inlet valve with the feed pipe, and the second pressure container is logical
It crosses the second discharge valve to be connected with the discharge pipe, is provided with the second inlet valve on the steam inlet pipe road of the second pressure container
, the second gas outlet valve door is provided on the steam outlet pipe road of the second pressure container；
The third pressure vessel is connected by third material inlet valve with the feed pipe；The third pressure vessel is logical
Third discharge valve is crossed to be connected with the discharge pipe；Third inlet valve is provided on the steam inlet pipe road of the third pressure vessel
, third gas outlet valve door is provided on the steam outlet pipe road of the third pressure vessel.
Above-mentioned a kind of sludge treatment equipment, wherein the heating apparatus of each pressure vessel is used and directly or indirectly heated
Sludge in it, the indirect heating is using conduction oil, steam or electric indirect heating；Described directly heat is passed through dirt using steam
Mud directly heats.
Above-mentioned a kind of sludge treatment equipment, wherein add pipeline heater on the feed pipe.
Above-mentioned a kind of sludge treatment equipment, wherein the feed pipe, discharge pipe and pressure vessel are made at heat preservation
Reason.
Above-mentioned a kind of sludge treatment equipment, wherein the feeding device is using Luo Gang pump, construction pump or plunger pump.
The present invention also provides a kind of above-mentioned processing methods of sludge treatment equipment, set in the first pressure container
Sludge reacted end is in high-temperature high-pressure state；The sludge to exchange heat in advance has been launched in the second pressure container；It is described
Third pressure vessel is vacant to be in normal pressure state；All valves are in close state, the processing method of the sludge treatment equipment
The following steps are included:
S1 successively opens the second admission valve and the first gas outlet valve door；
S2 starts the stirring of the stirring motor of the agitating device of first pressure container and the agitating device of second pressure container
Motor；
S3, under the action of flash distillation, the part moisture content in the first pressure container in sludge is converted into steam, through described
Flash distillation pipeline is transported in the sludge of the second pressure container, and is mixed with sludge, and sludge temperature is promoted；
S4 successively closes first pressure container after the pressure balance of the first pressure container and second pressure container
The stirring motor of agitating device, the stirring motor of agitating device of second pressure container, the first gas outlet valve door and second is into vapour
Valve；
S5 starts the heating apparatus of the second pressure container, the sludge in it is warming up to the temperature and pressure of needs；
S6 opens the third material inlet valve, starts the feeding device, fresh sludge is successively through the tube heat exchanger
Cold burden pipe and the feed pipe launched into the third pressure vessel；
S7 opens first discharge valve, and the sludge in high temperature is in first pressure in the first pressure container
In force container under the action of pressure, the discharge pipe is flowed into, and the hot material pipe through the tube heat exchanger is changed with the pipeline
Room temperature fresh sludge in the cold burden pipe of hot device exchanges heat；
S8 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S9 after charging and discharging, successively closes feeding device, third material inlet valve and the first discharge valve；
S10, after sludge reaction in the second pressure container, in the sludge in the second pressure container
The steam of part moisture content conversion is transported in the sludge of the third pressure vessel through the flash distillation pipeline, and the second pressure is held
Sludge emptying in device, the first pressure container is interior to launch fresh sludge；
S11, after sludge reaction in the third pressure vessel, in the sludge in the third pressure vessel
The steam of part moisture content conversion is transported in the sludge of the first pressure container through the flash distillation pipeline, and the third pressure is held
Sludge emptying in device, the second pressure container is interior to launch fresh sludge；
S12, after sludge reaction in the first pressure container, return step S1.
A kind of processing method of above-mentioned sludge treatment equipment, the sludge in step S10 in the second pressure container
After reaction, following steps are specifically carried out:
S101 successively opens third admission valve and the second gas outlet valve door；
S102, the agitating device of the stirring motor and third pressure vessel of the agitating device of starting second pressure container stir
Mix motor；
S103, under the action of flash distillation, the part moisture content in the second pressure container in sludge is converted into steam, through institute
It states flash distillation pipeline to be transported in the sludge of the third pressure vessel, and is mixed with sludge, promote sludge temperature；
S104 successively closes second pressure and holds after the pressure balance of the second pressure container and third pressure vessel
The stirring motor of the agitating device of device, the stirring motor of the agitating device of third pressure vessel, the second gas outlet valve door and third into
Steam valve door；
S105 starts the heating apparatus of the third pressure vessel, and the sludge in it is warming up to the temperature and pressure of needs
Power；
S106 opens first material inlet valve, starts the feeding device, fresh sludge successively exchanges heat through the pipeline
The cold burden pipe and the feed pipe of device are launched into the first pressure container；
S107 opens second discharge valve, and the sludge in high temperature is described second in the second pressure container
Under the action of reservoir pressure, the discharge pipe, and the hot material pipe through the tube heat exchanger and the pipeline are flowed into
Room temperature fresh sludge in the cold burden pipe of heat exchanger exchanges heat；
S108 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S109 after charging and discharging, successively closes feeding device, the first material inlet valve and the second discharge valve.
A kind of processing method of above-mentioned sludge treatment equipment, the sludge in step S11 in the second pressure container
After reaction, following steps are specifically carried out:
S111 successively opens the first admission valve and third gas outlet valve door；
S112, the agitating device of the stirring motor and first pressure container of the agitating device of starting third pressure vessel stir
Mix motor；
S113, under the action of flash distillation, the part moisture content in the third pressure vessel in sludge is converted into steam, through institute
It states flash distillation pipeline to be transported in the sludge of the first pressure container, and is mixed with sludge, promote sludge temperature；
S114 successively closes third pressure and holds after the pressure balance of the third pressure vessel and first pressure container
The stirring motor of the agitating device of device, the stirring motor of the agitating device of first pressure container, third gas outlet valve door and first into
Steam valve door；
S115 starts the heating apparatus of the first pressure container, and the sludge in it is warming up to the temperature and pressure of needs
Power；
S116 opens second material inlet valve, starts the feeding device, fresh sludge successively exchanges heat through the pipeline
The cold burden pipe and the feed pipe of device are launched into the second pressure container；
S117 opens the third discharge valve, and the sludge in high temperature is in the third in the third pressure vessel
Under the action of reservoir pressure, the discharge pipe, and the hot material pipe through the tube heat exchanger and the pipeline are flowed into
Room temperature fresh sludge in the cold burden pipe of heat exchanger exchanges heat；
S118 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S119 after charging and discharging, successively closes feeding device, the second material inlet valve and third discharge valve.
A kind of processing method of above-mentioned sludge treatment equipment, after the heating apparatus heating in the pressure vessel,
Temperature in the corresponding pressure vessel is 120 DEG C~375 DEG C, and pressure is 0.2MPa~22.115Mpa.
Using the technical solution of sludge treatment equipment and its processing method of the invention, being not required to dedicated flash tank can be carried out
Treatment of Sludge opens the flash distillation special service valve on flash distillation pipeline after material reaction, due to the variation of pressure, in material
Moisture content becomes water vapour by the effect flashed, is entered in the material of another pressure vessel by flash distillation pipeline, and flash distillation pipeline is only
The conveying for carrying out steam, due to the buffering of material, flash process is gentle, safe, and corresponding component reduces the throwing of equipment without abrasion
Enter, reduces operating cost.
Detailed description of the invention
Fig. 1 is a kind of structure chart of sludge treatment equipment of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Referring to Fig. 1, the embodiment of the present invention, a kind of sludge treatment equipment, including tube heat exchanger 4, feed pipe 7,
Discharge pipe 6, flash distillation pipeline 5 and three pressure vessels.Three pressure vessels are respectively first pressure container 1, second pressure appearance
Device 2 and third pressure vessel 3.Agitating device, safe pressure relief device, heating apparatus, temperature is provided on each pressure vessel to pass
Sensor and blow valve.The heating apparatus of each pressure vessel is using the sludge directly or indirectly heated in it, the indirect heating
Using conduction oil, steam or electric indirect heating；Described directly heat is passed through sludge using steam and directly heats.
Tube heat exchanger 4 includes cold burden pipe and hot material pipe；The cold burden pipe of the import and tube heat exchanger 4 of feed pipe 7
Outlet is connected；The outlet of discharge pipe 6 is connected with the import of the hot material pipe of tube heat exchanger 4.
Each pressure vessel passes through a material inlet valve and is connected with feed pipe 7；Each pressure vessel passes through a discharging
Valve is connected with discharge pipe 6, and each pressure vessel passes through a steam inlet pipe road and a steam outlet pipe road and is connected to flash distillation pipeline 5,
It is provided with admission valve on steam inlet pipe road, gas outlet valve door is provided on steam outlet pipe road.Specifically:
(1) first pressure container 1 is connected by the first material inlet valve 13 with feed pipe 7, and first pressure container 1 passes through the
One discharge valve 14 is connected with discharge pipe 6, and the first admission valve 12 is provided on the steam inlet pipe road of first pressure container 1, the
The first gas outlet valve door 11 is provided on the steam outlet pipe road of one pressure vessel 1；
(2) second pressure container 2 is connected by the second material inlet valve 23 with feed pipe 7, and second pressure container 2 passes through the
Two discharge valves 24 are connected with discharge pipe 6, and the second admission valve 22 is provided on the steam inlet pipe road of second pressure container 2, the
The second gas outlet valve door 21 is provided on the steam outlet pipe road of two pressure vessels 2；
(3) third pressure vessel 3 is connected by third material inlet valve 33 with feed pipe 7；Third pressure vessel 3 passes through the
Three discharge valves 34 are connected with discharge pipe 6；Third admission valve 32 is provided on the steam inlet pipe road of third pressure vessel 3, the
Third gas outlet valve door 31 is provided on the steam outlet pipe road of three pressure vessels 3.
The feeding work of feed pipe 7 is completed by a feeding device, which can be used using Luo Gang pump, construction
Pump or plunger pump.Fresh sludge material enters the cold burden pipe of tube heat exchanger 4 by feeding device, and is put by feed pipe 7
Corresponding pressure vessel.
According to process conditions and requirement, pipeline heater 8 can be installed additional on feed pipe 7, made before entering pressure vessel
Sludge be warming up to the reaction temperatures of needs.
Feed pipe 7, discharge pipe 6 and each pressure vessel make isothermal holding.
Sludge treatment equipment of the invention, three pressure vessels constitute one group of reaction member.
The sludge reacted end in first pressure container 1 is set, high-temperature high-pressure state is in；Second pressure container 2
In launched the sludge to exchange heat in advance；Third pressure vessel 3 is vacant to be in normal pressure state；All valves are in close state, this
The processing method of the sludge treatment equipment of invention the following steps are included:
S1 successively opens the second admission valve 22 and the first gas outlet valve door 11；
S2, the agitating device of the stirring motor and second pressure container 2 of the agitating device of starting first pressure container 1 stir
Mix motor；
S3, under the action of flash distillation, the part moisture content in first pressure container 1 in sludge is converted into steam, through flash pipe
Road 5 is transported in the sludge of second pressure container 2, and mixes with sludge, promotes sludge temperature；
S4 successively closes first pressure container 1 after the pressure balance of first pressure container 1 and second pressure container 2
The stirring motor of agitating device, the stirring motor of the agitating device of second pressure container 2, the first gas outlet valve door 11 and second are into vapour
Valve 22；
S5 starts the heating apparatus of second pressure container 2, the sludge in it is warming up to the temperature and pressure of needs；
S6 opens third material inlet valve 33, starts feeding device, fresh sludge is successively through the cold burden pipe of tube heat exchanger 4
It is launched with feed pipe 7 into third pressure vessel 3；
S7 opens the first discharge valve 14, and the sludge in high temperature is in first pressure container 1 in first pressure container 1
Under the action of pressure, flow into discharge pipe 6, and the hot material pipe through tube heat exchanger 4 with it is normal in the cold burden pipe of tube heat exchanger 4
Warm fresh sludge exchanges heat；
S8 controls the discharging speed of discharge pipe 6 and the charging rate of feed pipe 7, and the two is made to reach balance；
S9 after charging and discharging, successively closes feeding device, third material inlet valve 33 and the first discharge valve 14；
S10, after sludge reaction in second pressure container 2, referring to S1 to S9 step, according to second pressure container
2, the sequence of third pressure vessel 3 to first pressure container 1 operates, and the part moisture content in sludge in second pressure container 2 turns
The steam of change is transported in the sludge of third pressure vessel 3 through flashing pipeline 5, the sludge emptying in second pressure container 2, and first
Fresh sludge is launched in pressure vessel 1；Specifically includes the following steps:
S101 successively opens third admission valve 32 and the second gas outlet valve door 21；
S102, the agitating device of the stirring motor and third pressure vessel 3 of the agitating device of starting second pressure container 2
Stirring motor；
S103, under the action of flash distillation, the part moisture content in second pressure container 2 in sludge is converted into steam, through flashing
Pipeline 5 is transported in the sludge of third pressure vessel 3, and mixes with sludge, promotes sludge temperature；
S104 successively closes second pressure container 2 after the pressure balance of second pressure container 2 and third pressure vessel 3
The stirring motor of agitating device, third pressure vessel 3 agitating device stirring motor, the second gas outlet valve door 21 and third into
Steam valve door 32；
S105 starts the heating apparatus of third pressure vessel 3, the sludge in it is warming up to the temperature and pressure of needs；
S106 opens the first material inlet valve 13, starts feeding device, cold burden of the fresh sludge successively through tube heat exchanger 4
Pipe and feed pipe 7 are launched into first pressure container 1；
S107 opens the second discharge valve 24, and the sludge in high temperature is in second pressure container 2 in second pressure container 2
Under the action of interior pressure, discharge pipe 6 is flowed into, and in the cold burden pipe of the hot material pipe through tube heat exchanger 4 and tube heat exchanger 4
Room temperature fresh sludge exchanges heat；
S108 controls the discharging speed of discharge pipe 6 and the charging rate of feed pipe 7, and the two is made to reach balance；
S109 after charging and discharging, successively closes feeding device, the first material inlet valve 13 and the second discharge valve 24.
S11, after sludge reaction in third pressure vessel 3, referring to S1 to S9 step, according to third pressure vessel
3, the sequence of first pressure container 1 to second pressure container 2 operates, and the part moisture content in sludge in third pressure vessel 3 turns
The steam of change is transported in the sludge of first pressure container 1 through flashing pipeline 5, the sludge emptying in third pressure vessel 3, and second
Fresh sludge is launched in pressure vessel 2；Specifically includes the following steps:
S111 successively opens the first admission valve 12 and third gas outlet valve door 31；
S112, the agitating device of the stirring motor and first pressure container 1 of the agitating device of starting third pressure vessel 3
Stirring motor；
S113, under the action of flash distillation, the part moisture content in third pressure vessel 3 in sludge is converted into steam, through flashing
Pipeline 5 is transported in the sludge of first pressure container 1, and mixes with sludge, promotes sludge temperature；
S114 successively closes third pressure vessel 3 after the pressure balance of third pressure vessel 3 and first pressure container 1
The stirring motor of agitating device, the stirring motor of agitating device of first pressure container 1, third gas outlet valve door 31 and first into
Steam valve door 12；
S115 starts the heating apparatus of first pressure container 1, the sludge in it is warming up to the temperature and pressure of needs；
S116 opens the second material inlet valve 23, starts feeding device, cold burden of the fresh sludge successively through tube heat exchanger 4
Pipe and feed pipe 7 are launched into second pressure container 2；
S117 opens third discharge valve 34, and the sludge in high temperature is in third pressure vessel 3 in third pressure vessel 3
Under the action of interior pressure, discharge pipe 6 is flowed into, and in the cold burden pipe of the hot material pipe through tube heat exchanger 4 and tube heat exchanger 4
Room temperature fresh sludge exchanges heat；
S118 controls the discharging speed of discharge pipe 6 and the charging rate of feed pipe 7, and the two is made to reach balance；
S119 after charging and discharging, successively closes feeding device, the second material inlet valve 23 and third discharge valve 34.
S12, after sludge reaction in first pressure container 1, return step S1, such three pressure vessels composition
Reaction member circulation repeatedly, carry out Treatment of Sludge.
After the heating apparatus heating in pressure vessel, the temperature in corresponding pressure vessel is 120 DEG C~375 DEG C,
Pressure is 0.2MPa~22.115Mpa.
Under the premise of guaranteeing enough heat exchange efficiencies, the operation of step S6 to S9, all heats can be directly carried out
Recovery operation is completed in tube heat exchanger 4, and due to not needing to flash, the moisture of material is not lost, and mobility is more preferable, together
When shorten the entire duty cycle.
Handled material is also possible to need with pyrohydrolysis or hydro-thermal in addition to sludge in sludge treatment equipment of the invention
The organic matter that carbonization technique is handled or the material containing partial organic substances.
In conclusion sludge treatment equipment and its processing method of the invention, sludge can be carried out by being not required to dedicated flash tank
Processing opens the flash distillation special service valve on flash distillation pipeline, the moisture content due to the variation of pressure, in material after material reaction
Become water vapour by the effect of flash distillation, entered in the material of another pressure vessel by flash distillation pipeline, flash distillation pipeline only carries out
The conveying of steam, due to the buffering of material, flash process is gentle, safe, and corresponding component reduces the investment of equipment without abrasion,
Reduce operating cost.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (10)
1. a kind of sludge treatment equipment, which is characterized in that including tube heat exchanger, feed pipe, discharge pipe, flash distillation pipeline and
At least two pressure vessels, in which:
Agitating device, safe pressure relief device, heating apparatus, temperature sensor and blow valve are provided on each pressure vessel；
The tube heat exchanger includes cold burden pipe and hot material pipe；
Each pressure vessel passes through a material inlet valve and is connected with the feed pipe, the import of the feed pipe and institute
The outlet for stating the cold burden pipe of tube heat exchanger is connected；
Each pressure vessel passes through a discharge valve and is connected with the discharge pipe, the outlet of the discharge pipe and institute
The import for stating the hot material pipe of tube heat exchanger is connected；
Each pressure vessel passes through a steam inlet pipe road and a steam outlet pipe road and is connected to the flash distillation pipeline, the steam inlet pipe
It is provided with admission valve on road, is provided with gas outlet valve door on the steam outlet pipe road；
The feeding work of the feed pipe is completed by a feeding device.
2. a kind of sludge treatment equipment as described in claim 1, which is characterized in that the quantity of the pressure vessel is three,
Respectively first pressure container, second pressure container and third pressure vessel, in which:
The first pressure container is connected by the first material inlet valve with the feed pipe, and the first pressure container passes through the
One discharge valve is connected with the discharge pipe, is provided with the first admission valve on the steam inlet pipe road of the first pressure container,
The first gas outlet valve door is provided on the steam outlet pipe road of the first pressure container；
The second pressure container is connected by the second material inlet valve with the feed pipe, and the second pressure container passes through the
Two discharge valves are connected with the discharge pipe, are provided with the second admission valve on the steam inlet pipe road of the second pressure container,
The second gas outlet valve door is provided on the steam outlet pipe road of the second pressure container；
The third pressure vessel is connected by third material inlet valve with the feed pipe；The third pressure vessel passes through the
Three discharge valves are connected with the discharge pipe；It is provided with third admission valve on the steam inlet pipe road of the third pressure vessel,
Third gas outlet valve door is provided on the steam outlet pipe road of the third pressure vessel.
3. a kind of sludge treatment equipment as described in claim 1, which is characterized in that the heating apparatus of each pressure vessel uses
The sludge in it is directly or indirectly heated, the indirect heating is using conduction oil, steam or electric indirect heating；It is described to directly heat
Sludge is passed through using steam to directly heat.
4. a kind of sludge treatment equipment as described in claim 1, which is characterized in that add pipeline on the feed pipe and add
Hot device.
5. a kind of sludge treatment equipment as described in claim 1, which is characterized in that the feed pipe, discharge pipe and pressure
Force container makees isothermal holding.
6. a kind of sludge treatment equipment as described in claim 1, which is characterized in that the feeding device is using Luo Gang pump, structure
Make pump or plunger pump.
7. a kind of processing method of sludge treatment equipment as claimed in claim 2, which is characterized in that set the first pressure
Sludge reacted end in container is in high-temperature high-pressure state；It has launched in the second pressure container and to have exchanged heat in advance
Sludge；The third pressure vessel is vacant to be in normal pressure state；All valves are in close state, the sludge treatment equipment
Processing method the following steps are included:
S1 successively opens the second admission valve and the first gas outlet valve door；
S2 starts the stirring electricity of the stirring motor of the agitating device of first pressure container and the agitating device of second pressure container
Machine；
S3, under the action of flash distillation, the part moisture content in the first pressure container in sludge is converted into steam, through the flash distillation
Pipeline is mixed into the sludge of the second pressure container with sludge, promotes sludge temperature；
S4 successively closes stirring for first pressure container after the pressure balance of the first pressure container and second pressure container
Mix the stirring motor of device, the stirring motor of the agitating device of second pressure container, the first gas outlet valve door and the second admission valve；
S5 starts the heating apparatus of the second pressure container, the sludge in it is warming up to the temperature and pressure of needs；
S6 opens the third material inlet valve, starts the feeding device, fresh sludge is successively through the cold of the tube heat exchanger
Expects pipe and the feed pipe are launched into the third pressure vessel；
S7 opens first discharge valve, and the sludge in high temperature holds in the first pressure in the first pressure container
In device under the action of pressure, the discharge pipe, and the hot material pipe through the tube heat exchanger and the tube heat exchanger are flowed into
Cold burden pipe in room temperature fresh sludge exchange heat；
S8 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S9 after charging and discharging, successively closes feeding device, third material inlet valve and the first discharge valve；
S10, the part in sludge after sludge reaction in the second pressure container, in the second pressure container
The steam of moisture content conversion is transported in the sludge of the third pressure vessel through the flash distillation pipeline, in the second pressure container
Sludge emptying, fresh sludge is launched in the first pressure container；
S11, the part in sludge after sludge reaction in the third pressure vessel, in the third pressure vessel
The steam of moisture content conversion is transported in the sludge of the first pressure container through the flash distillation pipeline, in the third pressure vessel
Sludge emptying, fresh sludge is launched in the second pressure container；
S12, after sludge reaction in the first pressure container, return step S1.
8. a kind of processing method of sludge treatment equipment as claimed in claim 7, which is characterized in that described in step S10
After sludge reaction in second pressure container, following steps are specifically carried out:
S101 successively opens third admission valve and the second gas outlet valve door；
S102 starts the stirring electricity of the stirring motor of the agitating device of second pressure container and the agitating device of third pressure vessel
Machine；
S103, under the action of flash distillation, the part moisture content in the second pressure container in sludge is converted into steam, through the sudden strain of a muscle
Pipeline is steamed into the sludge of the third pressure vessel, and is mixed with sludge, and sludge temperature is promoted；
S104 successively closes second pressure container after the pressure balance of the second pressure container and third pressure vessel
The stirring motor of agitating device, the stirring motor of the agitating device of third pressure vessel, the second gas outlet valve door and third inlet valve
Door；
S105 starts the heating apparatus of the third pressure vessel, the sludge in it is warming up to the temperature and pressure of needs；
S106 opens first material inlet valve, starts the feeding device, fresh sludge is successively through the tube heat exchanger
Cold burden pipe and the feed pipe are launched into the first pressure container；
S107 opens second discharge valve, and the sludge in high temperature is in the second pressure in the second pressure container
Under the action of container inner pressure, the discharge pipe is flowed into, and the hot material pipe through the tube heat exchanger and the pipeline exchange heat
Room temperature fresh sludge in the cold burden pipe of device exchanges heat；
S108 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S109 after charging and discharging, successively closes feeding device, the first material inlet valve and the second discharge valve.
9. a kind of processing method of sludge treatment equipment as claimed in claim 7, which is characterized in that described in step S11
After sludge reaction in second pressure container, following steps are specifically carried out:
S111 successively opens the first admission valve and third gas outlet valve door；
S112 starts the stirring electricity of the stirring motor of the agitating device of third pressure vessel and the agitating device of first pressure container
Machine；
S113, under the action of flash distillation, the part moisture content in the third pressure vessel in sludge is converted into steam, through the sudden strain of a muscle
Pipeline is steamed into the sludge of the first pressure container, and is mixed with sludge, and sludge temperature is promoted；
S114 successively closes third pressure vessel after the pressure balance of the third pressure vessel and first pressure container
The stirring motor of agitating device, the stirring motor of the agitating device of first pressure container, third gas outlet valve door and the first inlet valve
Door；
S115 starts the heating apparatus of the first pressure container, the sludge in it is warming up to the temperature and pressure of needs；
S116 opens second material inlet valve, starts the feeding device, fresh sludge is successively through the tube heat exchanger
Cold burden pipe and the feed pipe are launched into the second pressure container；
S117 opens the third discharge valve, and the sludge in high temperature is in the third pressure in the third pressure vessel
Under the action of container inner pressure, the discharge pipe is flowed into, and the hot material pipe through the tube heat exchanger and the pipeline exchange heat
Room temperature fresh sludge in the cold burden pipe of device exchanges heat；
S118 controls the discharging speed of discharge pipe and the charging rate of feed pipe, and the two is made to reach balance；
S119 after charging and discharging, successively closes feeding device, the second material inlet valve and third discharge valve.
10. a kind of processing method of sludge treatment equipment as described in claim 7 to 9 any one, which is characterized in that pass through
After heating apparatus heating in the pressure vessel, the temperature in the corresponding pressure vessel is 120 DEG C~375 DEG C, pressure
For 0.2MPa~22.115Mpa.
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