CN109354366A - A kind of device for treating sludge using catalytic wet air oxidation - Google Patents
A kind of device for treating sludge using catalytic wet air oxidation Download PDFInfo
- Publication number
- CN109354366A CN109354366A CN201811368026.6A CN201811368026A CN109354366A CN 109354366 A CN109354366 A CN 109354366A CN 201811368026 A CN201811368026 A CN 201811368026A CN 109354366 A CN109354366 A CN 109354366A
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- high temperature
- high pressure
- pressure kettle
- water
- outlet
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- 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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of device for treating sludge using catalytic wet air oxidation, it is related to device for treating sludge technical field, including rushing high temperature and high pressure kettle and sealing cover, the frontal left of the high temperature and high pressure kettle is provided with electrothermal furnace, and the left of high temperature and high pressure kettle is circumscribed with oxygen tank, the sealing cover is placed in the upper end of high temperature and high pressure kettle, and is bolted between sealing cover and high temperature and high pressure kettle, and the right side upper end of the oxygen tank is inlaid with air inlet pipe.The beneficial effects of the present invention are: being rotated in high temperature and high pressure kettle by agitating shaft using rotary shaft, can then stirring rod be driven to be stirred mud, catalyst can either be made to mix with mud Quick uniform in this way, and contact mud sufficiently quickly with oxygen, it can be expedited the catalysis oxidation of mud, simultaneously contact mud with heat, it will be able to handle mud quickly, make by sludge organic matter and reducing inorganic object be quickly oxidized to carbon dioxide and water and a small amount of solid residue.
Description
Technical field
The present invention relates to device for treating sludge technical field, specially a kind of sludge treatment using catalytic wet air oxidation
Equipment.
Background technique
Sludge from wastewater treatment plant is mainly from Sludge from primary sedimentation tank and residual active sludge, the approach of municipal sludge disposal
Very much, have very big difference because the situation of country is different, according to the final whereabouts of sludge can be divided into sludge utilize and sludge without
Evilization, wet air oxidation technology are oxygen to be filled at high temperature under high pressure, by the organic matter and reducing inorganic object in sludge
It is oxidized to carbon dioxide and water and a small amount of solid residue, which can get very high organic matter removal efficiency and energy recovery rate, and
Processing carries out in closed container, does not generate stink and coal smoke, and sterilization effect is good, and dewatering is high, and process cycle is short, if by wet
Formula oxidation technology Successful utilization will be with a wide range of applications in the processing of municipal sewage sludge.
A kind of highly effective and safe mud environment protection disclosed in Chinese invention patent application prospectus CN107804956 A
Processing equipment accelerates the water in evaporation mud although the highly effective and safe mud environment protection processing equipment stirs driven by the motor
Point, fan accelerates air flowing, accelerates evaporation, the moisture generated in mud cannot access secondary use, although and passing through
Air collector collects the gas generated, and avoiding it from being discharged in air influences environment, but the gas generated after being heated by heater has
There is certain temperature, directly collects the loss that will cause heat.
Summary of the invention
The purpose of the present invention is to provide a kind of device for treating sludge using catalytic wet air oxidation, to solve above-mentioned back
A kind of highly effective and safe silt disclosed in Chinese invention patent application prospectus CN107804956 A proposed in scape technology
Mud Environmental-protecting treater accelerates evaporation mud although the highly effective and safe mud environment protection processing equipment stirs driven by the motor
In moisture, fan accelerates air flowing, accelerates evaporation, and the moisture generated in mud cannot access secondary use, though and
The gas generated is so collected by air collector, avoiding it from being discharged in air influences environment, but generated after being heated by heater
The problem of gas has certain temperature, directly collects the loss that will cause heat.
To achieve the above object, the invention provides the following technical scheme: at a kind of mud using catalytic wet air oxidation
Equipment is managed, including high temperature and high pressure kettle and sealing cover, the frontal left of the high temperature and high pressure kettle are provided with electrothermal furnace, and high temperature and pressure
The left of kettle is circumscribed with oxygen tank, and the sealing cover is placed in the upper end of high temperature and high pressure kettle, and sealing cover and high temperature and high pressure kettle it
Between be bolted, the right side upper end of the oxygen tank is inlaid with air inlet pipe, and air inlet pipe is connected with high temperature and high pressure kettle, institute
The upper end for stating sealing cover is equipped with motor, and the lower end of sealing cover is fixed with rotary shaft, and the lower end of the rotary shaft is provided with
Agitating shaft, and the two sides of agitating shaft are mounted with stirring rod, the upper and lower side of the agitating shaft is inlaid with connecting rod, and connecting rod is separate
One end of stirring shaft centre line is connected with scraper plate.
Preferably, to be fixedly connected between the stirring rod and agitating shaft, and agitating shaft passes through rotary shaft and high temperature and pressure
Kettle constitutes rotational structure.
Preferably, the positive right side of face lower end of the high temperature and high pressure kettle is equipped with water outlet, and the scraper plate is far from agitating shaft
The arc-shaped shape structure in one end is slidably connected between scraper plate and high temperature and high pressure kettle, and scraper plate passes through connecting rod and agitating shaft phase
Connection.
Preferably, the upper end of the water outlet is fixed with outlet pipe, and the lower end of outlet pipe is provided with the first water pump, described
The right of high temperature and high pressure kettle is mounted with water tank, and the inner right side of water tank is inlaid with the second water pump, the upper end of second water pump
It is connected with the first water inlet pipe, and the outlet end of the first water inlet pipe is equipped with gas handling duct, the gas handling duct passes through
First water inlet pipe is connected with water tank, and water tank is connected by outlet pipe with high temperature and high pressure kettle.
Preferably, it is fixed with escape pipe on the left of the gas handling duct, and escape pipe is connected with high temperature and high pressure kettle,
The inner right side upper end of the high temperature and high pressure kettle is provided with protective net, is fixed company between the protective net and high temperature and high pressure kettle
It connects, and the rounded structure of protective net.
Preferably, the inner upper end of the gas handling duct is mounted with the first water injection valve, and under gas handling duct
End is inlaid with the first discharge outlet, and first water injection valve is spaced substantially equidistant the inner upper end in gas handling duct, and the first spray
It is to be fixedly connected between water valve and the first water inlet pipe.
Preferably, the lower end of first discharge outlet is connected with water storage box, and the inside of water storage box is equipped with filter screen, institute
It states to be fixedly connected between filter screen and water storage box, and water storage box is connected by the first discharge outlet with gas handling duct.
Preferably, it is fixed with drainpipe on the left of the lower end of the water storage box, and the lower end of drainpipe is provided with heat exchanger, institute
It states and is mounted with heat outlet on the right side of the lower end of heat exchanger, and the lower end of heat outlet is inlaid with heat guiding tube, the high temperature is high
The front upper portion of pressure kettle is connected with feed inlet, and the positive lower end of high temperature and high pressure kettle is equipped with discharge port, the heat guiding tube
It to be fixedly connected between heat exchanger, and is to be fixedly connected between heat guiding tube and high temperature and high pressure kettle.
Preferably, it is fixed with the second discharge outlet on the left of the upper end of the heat exchanger, and the upper end of the second discharge outlet is provided with
Second water inlet pipe, the outlet end of second water inlet pipe are mounted with the second water injection valve, and second water injection valve is successively centered around height
The inner wall upper end of warm autoclave, and the second water injection valve is connected by the second water inlet pipe with heat exchanger.
Compared with prior art, the beneficial effects of the present invention are:
1, this uses the device for treating sludge of catalytic wet air oxidation to utilize rotary shaft in high temperature and high pressure kettle by agitating shaft
Interior rotation can then drive stirring rod to be stirred mud, catalyst can either be made to mix with mud Quick uniform in this way, and
It contacts mud sufficiently quickly with oxygen, can be expedited the catalysis oxidation of mud, while contact mud with heat, just
Mud can be made quickly to be handled, make by sludge organic matter and reducing inorganic object be quickly oxidized to carbon dioxide and
Water and a small amount of solid residue.
2, this is contacted by scraper plate with the inner wall of high temperature and high pressure kettle using the device for treating sludge of catalytic wet air oxidation, and
It follows agitating shaft to rotate together, then can be slided on the inner wall of high temperature and high pressure kettle, it will be able to will be glued on high temperature and high pressure kettle inner wall
Attached mud is cleared up, and this makes it possible to during the treatment, is directly cleared up the sludge of adherency, prevents from handling
After the completion, the sludge of adherency is influenced and dry and hard on the inner wall of high temperature and high pressure kettle by high temperature, causes later period cleaning comparison of getting up tired
It is difficult.
3, this uses the device for treating sludge of catalytic wet air oxidation that can will handle in high temperature and high pressure kettle by outlet pipe
Water is generated in the process to be drained into water tank, and the water of generation is collected using water tank, the water generated is avoided to emit evaporation
Into air, cause the waste of water resource, and water a part of in water tank can be discharged into gas handling duct, for pair
The gas of discharge is sprayed, it will be able to be carried out secondary use to water, be embodied the feature of environmental protection of the equipment.
4, this uses the device for treating sludge of catalytic wet air oxidation to surround the input end of escape pipe by protective net
Come, then gas can be filtered when the gas in high temperature and high pressure kettle enters escape pipe, by the particle soil in gas
It filters down, avoids gas containing in miscellaneous more granule foreign direct emission air, air is polluted, or avoid exchanging heat
When, granule foreign heat exchanging device causes to damage.
5, this is connected by the first water injection valve with the first water inlet pipe using the device for treating sludge of catalytic wet air oxidation,
The gas entered in gas handling duct can then be sprayed using Water in Water Tanks, can either be removed miscellaneous in gas
Matter takes away moisture by the impurity in gas, and can take away the heat in gas, reduces the temperature of gas, avoids high temperature
And impure gas is directly emitted, and pollutes to air and environment.
6, this uses the device for treating sludge of catalytic wet air oxidation can be by gas handling duct by the first discharge outlet
The moisture that middle spray comes out is discharged into water storage box, due to containing impurity in the moisture after spraying to gas, can use
Filter screen is filtered the moisture entered in water storage box, and the contaminant filter in the moisture after spray is got off, and avoids containing miscellaneous
The moisture of matter enters directly into when being exchanged heat in heat exchanger, and heat exchanging device is resulted in blockage or damaged.
7, the device for treating sludge using catalytic wet air oxidation can will be in its internal moisture by heat exchanger
Heat cements out, and by heat guiding tube by the heat dissipation to high temperature and high pressure kettle cemented out, for improving high temperature
Temperature in autoclave avoids the waste of heat, and prevent heat direct emission this makes it possible to carry out secondary use to heat
Into air, air and environment are polluted.
8, this uses the device for treating sludge of catalytic wet air oxidation that can will displace heat by the second water inlet pipe
Moisture is discharged into the second water injection valve, it will be able to after the completion of sludge treatment, using the second water injection valve in high temperature and high pressure kettle
Wall carries out sprinkling moisture, cools down for the inside to high temperature and high pressure kettle, and to remaining mud on high temperature and high pressure kettle inner wall
It is rinsed, this makes it possible to carry out recycled for multiple times to the resource generated during sludge treatment, avoids the waste of resource,
And embody the feature of environmental protection of the equipment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the device for treating sludge using catalytic wet air oxidation of the present invention；
Fig. 2 is a kind of right view structure of the gas handling duct of the device for treating sludge using catalytic wet air oxidation of the present invention
Schematic diagram；
Fig. 3 is that a kind of heat exchanger of the device for treating sludge using catalytic wet air oxidation of the present invention and high temperature and high pressure kettle connect
Connect structural schematic diagram；
Fig. 4 is that a kind of high temperature and high pressure kettle backsight structure of the device for treating sludge using catalytic wet air oxidation of the present invention is shown
It is intended to；
Fig. 5 is a kind of high temperature and high pressure kettle inside top knot of the device for treating sludge using catalytic wet air oxidation of the present invention
Structure schematic diagram.
In figure: 1, high temperature and high pressure kettle；2, electrothermal furnace；3, oxygen tank；4, air inlet pipe；5, sealing cover；6, motor；7, it rotates
Axis；8, agitating shaft；9, stirring rod；10, connecting rod；11, scraper plate；12, water outlet；13, outlet pipe；14, water tank；15, the first water
Pump；16, the second water pump；17, the first water inlet pipe；18, gas handling duct；19, escape pipe；20, protective net；21, the first water spray
Valve；22, the first discharge outlet；23, water storage box；24, filter screen；25, drainpipe；26, heat exchanger；27, heat outlet；28, heat
Guiding tube；29, feed inlet；30, discharge port；31, the second discharge outlet；32, the second water inlet pipe；33, the second water injection valve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of to set using the sludge treatment of catalytic wet air oxidation
It is standby, including high temperature and high pressure kettle 1, electrothermal furnace 2, oxygen tank 3, air inlet pipe 4, sealing cover 5, motor 6, rotary shaft 7, agitating shaft 8, stir
Mix bar 9, connecting rod 10, scraper plate 11, water outlet 12, outlet pipe 13, water tank 14, the first water pump 15, the water inlet of the second water pump 16, first
Pipe 17, gas handling duct 18, escape pipe 19, protective net 20, the first water injection valve 21, the first discharge outlet 22, water storage box 23, filtering
Net 24, drainpipe 25, heat exchanger 26, heat outlet 27, heat guiding tube 28, feed inlet 29, discharge port 30, the second discharge outlet
31, the second water inlet pipe 32 and the second water injection valve 33, the frontal left of high temperature and high pressure kettle 1 are provided with electrothermal furnace 2, and high temperature and high pressure kettle
1 left is circumscribed with oxygen tank 3, and sealing cover 5 is placed in the upper end of high temperature and high pressure kettle 1, and sealing cover 5 and high temperature and high pressure kettle 1 it
Between be bolted, the right side upper end of oxygen tank 3 is inlaid with air inlet pipe 4, and air inlet pipe 4 is connected with high temperature and high pressure kettle 1, close
The upper end of capping 5 is equipped with motor 6, and the lower end of sealing cover 5 is fixed with rotary shaft 7, and the lower end of rotary shaft 7 is provided with stirring
Axis 8, and the two sides of agitating shaft 8 are mounted with stirring rod 9, are fixedly connected between stirring rod 9 and agitating shaft 8, and agitating shaft 8 passes through
Rotary shaft 7 and high temperature and high pressure kettle 1 constitute rotational structure, and agitating shaft 8 is rotated in high temperature and high pressure kettle 1 using rotary shaft 7, then can be with
It drives stirring rod 9 to be stirred mud, catalyst can either be made to mix with mud Quick uniform in this way, and keep mud sufficiently fast
Speed contacted with oxygen, can be expedited the catalysis oxidation of mud, while contact mud with heat, it will be able to make mud into
Row quickly processing, make by sludge organic matter and reducing inorganic object be quickly oxidized to carbon dioxide and water and a small amount of solid
Residue；
The upper and lower side of agitating shaft 8 is inlaid with connecting rod 10, and connecting rod 10 is connected with far from one end of 8 center line of agitating shaft
The positive right side of face lower end of scraper plate 11, high temperature and high pressure kettle 1 is equipped with water outlet 12, and the one end of scraper plate 11 far from agitating shaft 8 is arc-shaped
Shape structure is slidably connected between scraper plate 11 and high temperature and high pressure kettle 1, and scraper plate 11 is connected by connecting rod 10 with agitating shaft 8
It connects, scraper plate 11 is contacted with the inner wall of high temperature and high pressure kettle 1, and agitating shaft 8 is followed to rotate together, then can be in high temperature and high pressure kettle 1
It is slided on inner wall, it will be able to clear up the mud adhered on 1 inner wall of high temperature and high pressure kettle, this makes it possible to the processes in processing
In, directly the sludge of adherency is cleared up, is prevented after processing is completed, the sludge of adherency is influenced and dry and hard in high temperature by high temperature
On the inner wall of autoclave 1, later period cleaning is caused to be got up relatively difficult, the upper end of water outlet 12 is fixed with outlet pipe 13, and is discharged
The lower end of pipe 13 is provided with the first water pump 15, and the right of high temperature and high pressure kettle 1 is mounted with water tank 14, and the inner right side edge of water tank 14
Embedded with the second water pump 16, the upper end of the second water pump 16 is connected with the first water inlet pipe 17, and the outlet end installation of the first water inlet pipe 17
There is gas handling duct 18, gas handling duct 18 is connected by the first water inlet pipe 17 with water tank 14, and water tank 14 is by going out
Water pipe 13 is connected with high temperature and high pressure kettle 1, and outlet pipe 13 can be drained into water for water is generated in treatment process in high temperature and high pressure kettle 1
In case 14, the water of generation is collected using water tank 14, avoids the water generated from emitting and is evaporated in air, water is caused to provide
The waste in source, and water a part of in water tank 14 capable of being discharged into gas handling duct 18, for the gas to discharge into
Row spray, it will be able to secondary use be carried out to water, embody the feature of environmental protection of the equipment；
The left side of gas handling duct 18 is fixed with escape pipe 19, and escape pipe 19 is connected with high temperature and high pressure kettle 1, high temperature
The inner right side upper end of autoclave 1 is provided with protective net 20, is fixedly connected between protective net 20 and high temperature and high pressure kettle 1, and anti-
The input end of escape pipe 19 is surrounded by the rounded structure of protective net 20, protective net 20, then can be in the gas in high temperature and high pressure kettle 1
When body enters escape pipe 19, gas is filtered, the particle soil in gas is filtered down, avoids gas containing miscellaneous more
Granule foreign direct emission air in, air is polluted, or avoid heat exchange when, granule foreign heat exchanging device 26 causes
Damage, the inner upper end of gas handling duct 18 is mounted with the first water injection valve 21, and the lower end of gas handling duct 18 is inlaid with
First discharge outlet 22, the first water injection valve 21 are spaced substantially equidistant the inner upper end in gas handling duct 18, and the first water injection valve 21
To be fixedly connected between the first water inlet pipe 17, the first water injection valve 21 is connected with the first water inlet pipe 17, then can utilize water tank
Water sprays the gas entered in gas handling duct 18 in 14, can either remove the impurity in gas, makes moisture will
Impurity in gas is taken away, and can take away the heat in gas, reduces the temperature of gas, avoids high temperature and impure gas
Body is directly emitted, and pollutes to air and environment, and the lower end of the first discharge outlet 22 is connected with water storage box 23, and water storage box
23 inside is equipped with filter screen 24, is fixedly connected between filter screen 24 and water storage box 23, and water storage box 23 passes through first row
The mouth of a river 22 is connected with gas handling duct 18, the moisture that the first discharge outlet 22 will can spray out in gas handling duct 18
It is discharged into water storage box 23, due to containing impurity in the moisture after spraying to gas, can use 24 pairs of filter screen entrance
It is filtered to the moisture in water storage box 23, the contaminant filter in the moisture after spray is got off, avoid impure moisture straight
It connects and enters in heat exchanger 26 when being exchanged heat, heat exchanging device 26 is resulted in blockage or damaged；
It is fixed with drainpipe 25 on the left of the lower end of water storage box 23, and the lower end of drainpipe 25 is provided with heat exchanger 26, heat exchange
It is mounted with heat outlet 27 on the right side of the lower end of device 26, and the lower end of heat outlet 27 is inlaid with heat guiding tube 28, high temperature and pressure
The front upper portion of kettle 1 is connected with feed inlet 29, and the positive lower end of high temperature and high pressure kettle 1 is equipped with discharge port 30, heat guiding tube
To be fixedly connected between 28 and heat exchanger 26, and to be fixedly connected between heat guiding tube 28 and high temperature and high pressure kettle 1, heat exchanger 26
Heat in its internal moisture can be cemented out, and pass through heat guiding tube 28 for the heat dissipation cemented out to height
In warm autoclave 1, for improving the temperature in high temperature and high pressure kettle 1, this makes it possible to carry out secondary use to heat, heat is avoided
Waste, and heat is prevented to be directly discharged in air, air and environment is polluted, it is fixed on the left of the upper end of heat exchanger 26
There is the second discharge outlet 31, and the upper end of the second discharge outlet 31 is provided with the second water inlet pipe 32, the outlet end peace of the second water inlet pipe 32
It is equipped with the second water injection valve 33, the second water injection valve 33 is successively centered around the inner wall upper end of high temperature and high pressure kettle 1, and the second water injection valve 33 is logical
It crosses the second water inlet pipe 32 to be connected with heat exchanger 26, the moisture for displacing heat can be discharged into the second spray by the second water inlet pipe 32
In water valve 33, it will be able to after the completion of sludge treatment, carry out spray water using inner wall of second water injection valve 33 to high temperature and high pressure kettle 1
Point, cool down for the inside to high temperature and high pressure kettle 1, and remaining mud on 1 inner wall of high temperature and high pressure kettle is rinsed, this
Sample can carry out recycled for multiple times to the resource generated during sludge treatment, avoid the waste of resource, and embody this and set
The standby feature of environmental protection.
The working principle of the present embodiment: this use catalytic wet air oxidation device for treating sludge, first by mud from into
Material mouth 29 is drained into high temperature and high pressure kettle 1, and catalyst is added, and is started electrothermal furnace 2, is heated at high temperature to high temperature and high pressure kettle 1,
It opens motor 6 (model SDA63X30-B of motor 6), motor 6 drives agitating shaft 8 to rotate by rotary shaft 7, then
Stirring rod 9 can be stirred mud, catalyst can either be made to mix with mud Quick uniform in this way, and keep mud sufficiently fast
Speed contacted with oxygen, can be expedited the catalysis oxidation of mud, while contact mud with heat, it will be able to make mud into
Row quickly processing, make by sludge organic matter and reducing inorganic object be quickly oxidized to carbon dioxide and water and a small amount of solid
Residue, and scraper plate 11 can follow agitating shaft 8 to rotate together, and the mud adhered on 1 inner wall of high temperature and high pressure kettle is cleared up, and become silted up
Oxidation embrittlement reaction takes place after reaching assigned temperature in mud, and the organic matter and reducing inorganic object in mud are oxidized to titanium dioxide
Carbon, water and a small amount of solid residue and other gases, open the first water pump 15, and the first water pump 15 passes through outlet pipe 13 for high temperature and pressure
Moisture in kettle 1 is pumped into water tank 14, and gas enters in gas handling duct 18 from escape pipe 19, opens simultaneously second
Water pump 16, the second water pump 16 are drained into water in water tank 14 in first water injection valve 21 from the first water inlet pipe 17, the first water injection valve 21
Gas in gas handling duct 18 can be sprayed, the impurity in gas can either be removed, make moisture will be miscellaneous in gas
Matter is taken away, and can take away the heat in gas, reduces the temperature of gas, avoids high temperature and impure gas direct emission
It goes out, air and environment is polluted, the gas after receiving spray is emitted from 18 right-side outlet of gas handling duct, is sprayed
The moisture of leaching enters in water storage box 23 from the first discharge outlet 22, and water enters after the filtering of filter screen 24 in water storage box 23
In heat exchanger 26, the heat in the water of heat content is cemented out by heat exchanger 26, the heat cemented out is drawn by heat
Conduit 28 is discharged into high temperature and high pressure kettle 1, and for improving the temperature in high temperature and high pressure kettle 1, this makes it possible to carry out two to heat
Secondary utilization, avoids the waste of heat, and heat is prevented to be directly discharged in air, pollutes to air and environment, and replaces
The moisture of heat enters in the second water injection valve 33 from the second discharge outlet 31 and the second water inlet pipe 32 out, opens control valve,
Can carry out sprinkling moisture using inner wall of second water injection valve 33 to high temperature and high pressure kettle 1 after the completion of sludge treatment, for pair
The inside of high temperature and high pressure kettle 1 cools down, and is rinsed to remaining mud on 1 inner wall of high temperature and high pressure kettle, this makes it possible to
Recycled for multiple times is carried out to the resource generated during sludge treatment, avoids the waste of resource, and embody the environmental protection of the equipment
Property.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (9)
1. a kind of device for treating sludge using catalytic wet air oxidation, including high temperature and high pressure kettle (1) and sealing cover (5), special
Sign is: the frontal left of the high temperature and high pressure kettle (1) is provided with electrothermal furnace (2), and the left of high temperature and high pressure kettle (1) is circumscribed with
Oxygen tank (3), the sealing cover (5) are placed in the upper end of high temperature and high pressure kettle (1), and sealing cover (5) and high temperature and high pressure kettle (1) it
Between be bolted, the right side upper end of the oxygen tank (3) is inlaid with air inlet pipe (4), and air inlet pipe (4) and high temperature and high pressure kettle
(1) it is connected, the upper end of the sealing cover (5) is equipped with motor (6), and the lower end of sealing cover (5) is fixed with rotary shaft
(7), the lower end of the rotary shaft (7) is provided with agitating shaft (8), and the two sides of agitating shaft (8) are mounted with stirring rod (9), described
The upper and lower side of agitating shaft (8) is inlaid with connecting rod (10), and connecting rod (10) is connected with far from one end of agitating shaft (8) center line
Scraper plate (11).
2. a kind of device for treating sludge using catalytic wet air oxidation according to claim 1, it is characterised in that: described
To be fixedly connected between stirring rod (9) and agitating shaft (8), and agitating shaft (8) passes through rotary shaft (7) and high temperature and high pressure kettle (1) structure
At rotational structure.
3. a kind of device for treating sludge using catalytic wet air oxidation according to claim 1, it is characterised in that: described
The positive right side of face lower end of high temperature and high pressure kettle (1) is equipped with water outlet (12), and the one end of the scraper plate (11) far from agitating shaft (8) is in
Arc shape structure, to be slidably connected between scraper plate (11) and high temperature and high pressure kettle (1), and scraper plate (11) by connecting rod (10) with
Agitating shaft (8) is connected.
4. a kind of device for treating sludge using catalytic wet air oxidation according to claim 3, it is characterised in that: described
The upper end of water outlet (12) is fixed with outlet pipe (13), and the lower end of outlet pipe (13) is provided with the first water pump (15), the height
The right of warm autoclave (1) is mounted with water tank (14), and the inner right side of water tank (14) is inlaid with the second water pump (16), and described
The upper end of two water pumps (16) is connected with the first water inlet pipe (17), and the outlet end of the first water inlet pipe (17) is equipped with gas treatment pipe
Road (18), the gas handling duct (18) is connected by the first water inlet pipe (17) with water tank (14), and water tank (14) passes through
Outlet pipe (13) is connected with high temperature and high pressure kettle (1).
5. a kind of device for treating sludge using catalytic wet air oxidation according to claim 4, it is characterised in that: described
It is fixed on the left of gas handling duct (18) escape pipe (19), and escape pipe (19) is connected with high temperature and high pressure kettle (1), it is described
The inner right side upper end of high temperature and high pressure kettle (1) is provided with protective net (20), between the protective net (20) and high temperature and high pressure kettle (1)
To be fixedly connected, and protective net (20) rounded structure.
6. a kind of device for treating sludge using catalytic wet air oxidation according to claim 5, it is characterised in that: described
The inner upper end of gas handling duct (18) is mounted with the first water injection valve (21), and the lower end of gas handling duct (18) is inlaid with
First discharge outlet (22), first water injection valve (21) are spaced substantially equidistant the inner upper end in gas handling duct (18), and
It is to be fixedly connected between one water injection valve (21) and the first water inlet pipe (17).
7. a kind of device for treating sludge using catalytic wet air oxidation according to claim 6, it is characterised in that: described
The lower end of first discharge outlet (22) is connected with water storage box (23), and the inside of water storage box (23) is equipped with filter screen (24), described
To be fixedly connected between filter screen (24) and water storage box (23), and water storage box (23) passes through the first discharge outlet (22) and gas treatment
Pipeline (18) is connected.
8. a kind of device for treating sludge using catalytic wet air oxidation according to claim 7, it is characterised in that: described
It is fixed with drainpipe (25) on the left of the lower end of water storage box (23), and the lower end of drainpipe (25) is provided with heat exchanger (26), it is described
It is mounted with heat outlet (27) on the right side of the lower end of heat exchanger (26), and the lower end of heat outlet (27) is inlaid with heat guiding tube
(28), the front upper portion of the high temperature and high pressure kettle (1) is connected with feed inlet (29), and the positive lower end peace of high temperature and high pressure kettle (1)
Equipped with discharge port (30), it is fixedly connected between the heat guiding tube (28) and heat exchanger (26), and heat guiding tube (28)
It is to be fixedly connected between high temperature and high pressure kettle (1).
9. a kind of device for treating sludge using catalytic wet air oxidation according to claim 7, it is characterised in that: described
It is fixed with the second discharge outlet (31) on the left of the upper end of heat exchanger (26), and the upper end of the second discharge outlet (31) is provided with the second water inlet
It manages (32), the outlet end of second water inlet pipe (32) is mounted with the second water injection valve (33), and second water injection valve (33) is successively
It is centered around the inner wall upper end of high temperature and high pressure kettle (1), and the second water injection valve (33) passes through the second water inlet pipe (32) and heat exchanger (26)
It is connected.
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| CN201811368026.6A CN109354366B (en) | 2018-11-16 | 2018-11-16 | Sludge treatment equipment adopting catalytic wet oxidation method |
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| CN109354366B CN109354366B (en) | 2021-12-24 |
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| CN112032755A (en) * | 2020-08-25 | 2020-12-04 | 侯艳权 | Boiler co-combustion system and method for power system generator set |
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| Publication number | Publication date |
|---|---|
| CN109354366B (en) | 2021-12-24 |
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