CN216260724U - Incineration hazardous waste neutralization pretreatment system - Google Patents
Incineration hazardous waste neutralization pretreatment system Download PDFInfo
- Publication number
- CN216260724U CN216260724U CN202122306603.2U CN202122306603U CN216260724U CN 216260724 U CN216260724 U CN 216260724U CN 202122306603 U CN202122306603 U CN 202122306603U CN 216260724 U CN216260724 U CN 216260724U
- Authority
- CN
- China
- Prior art keywords
- reaction kettle
- water
- incineration
- inlet
- hazardous waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a neutralization pretreatment system for incineration type hazardous wastes, which comprises a reaction kettle, a feeding device and a treatment device, wherein the top of the reaction kettle is provided with a water inlet, a material inlet, a tail gas outlet and a neutralization liquid inlet, the bottom of the reaction kettle is provided with a discharge hole, the feeding device is connected with the material inlet, and the treatment device is connected with the tail gas outlet. According to the utility model, the water inlet, the material inlet, the tail gas outlet and the neutralizing liquid inlet are separately arranged, so that the advanced reaction of the material and the neutralizing liquid is avoided, the potential safety hazard is reduced, and the tail gas leakage and pollution are avoided; the treatment device can reuse the waste gas so as to carry out innocent treatment.
Description
Technical Field
The utility model belongs to the field of hazardous waste treatment, and particularly relates to a neutralization pretreatment system for incineration hazardous waste.
Background
The hazardous waste incineration disposal is a reduced and harmless disposal mode, and harmful substances are effectively decomposed by high-temperature incineration; however, the incinerator has strict requirements on the pH value, moisture, heat value of materials and acidic gas elements such as F, Cl, S, P and the like, and if the materials are not fed according to the charging index and certain corrosion is caused on equipment and refractory materials, the stability of the operation of the equipment is influenced; therefore, when strong acid materials are treated, a neutralizing agent is required to be added for neutralization pretreatment, and the materials can be added into a material pit to be compatible with other materials and then incinerated until the materials are neutralized to be neutral or weakly alkaline, so that the corrosion of the strong acid materials to equipment is reduced; meanwhile, strong acid materials enter the material pit, are easy to react with other materials to release heat, and the material pit has fire and other safety accidents, so that the acidity is reduced through neutralization pretreatment, and the safety risk when the materials enter the material pit is reduced; therefore, the development of a neutralization pretreatment system for incinerating hazardous wastes is necessary.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, the present invention provides a system for neutralizing and pretreating hazardous waste of combustion type.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides an incineration type hazardous waste neutralization pretreatment system, includes reation kettle, feed arrangement and processing apparatus, the reation kettle top is provided with water inlet, material import, tail gas export, neutralization solution import, and this reation kettle bottom is provided with the discharge gate, feed arrangement with material access connection, processing apparatus with tail gas outlet connects.
Further, the reaction kettle is supported by a first support.
Further, the reaction kettle further comprises a water-cooling jacket, the water-cooling jacket is arranged on the side wall of the reaction kettle, the top of the water-cooling jacket is provided with a water-cooling jacket outlet, and the bottom of the water-cooling jacket is provided with a water-cooling jacket inlet.
And the cooler is connected with the outlet of the water-cooling jacket and the inlet of the water-cooling jacket through pipelines.
Further, still include the branch charging tray, divide the charging tray set up in reation kettle's inside top.
Furthermore, the material distribution disc is of a hollow double-layer concentric ring structure which is not communicated with each other, a plurality of uniformly distributed round holes are formed in the bottoms of the inner layer and the outer layer of the material distribution disc, the outer layer of the material distribution disc is connected with the water inlet, and the inner layer of the material distribution disc is connected with the neutralizing liquid inlet.
Further, feed arrangement includes feed bin, hoisting apparatus, screw elevator, hoisting apparatus set up in the feed bin top, the discharge gate of feed bin below with screw elevator's feed end is connected, this screw elevator's discharge end pass through the flexible coupling with material access connection.
Further, the feed bin passes through the second support and supports, the second support with be provided with weighing module between the feed bin.
Further, a stirring paddle is vertically arranged inside the reaction kettle, a main shaft of the stirring paddle is located on a central axis of the reaction kettle and extends out of the reaction kettle from inside to outside to be connected with an output end of the motor.
Furthermore, the contact surface of the stirring paddle and the bottom of the reaction kettle uses an anchor type stirring blade, and the rest parts are frame type stirring blades.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the water inlet, the material inlet, the tail gas outlet and the neutralizing liquid inlet are separately arranged, so that the advanced reaction of the material and the neutralizing liquid is avoided, the potential safety hazard is reduced, and the tail gas leakage and pollution are avoided; the treatment device can reuse the waste gas so as to carry out innocent treatment.
2. According to the utility model, the first support is arranged below the reaction kettle, so that the stability of the reaction kettle can be improved, the position of the reaction kettle can be raised, and the corrosion of ground wastewater on the outer surface of the reaction kettle is avoided.
3. The reaction kettle is provided with the cooler, so that the temperature of cooling water can be effectively reduced, and the stable circulation of the cooling water is ensured, thereby ensuring the working stability of the reaction kettle; meanwhile, the water-cooling jacket is arranged on the side wall of the reaction kettle, heat generated during neutralization reaction can be absorbed, potential safety hazards caused by heat release can be reduced, the inlet of the water-cooling jacket is arranged below the water-cooling jacket, the outlet of the water-cooling jacket is arranged above the water-cooling jacket, natural circulation of cooling water can be realized, the cooling rate of the water-cooling jacket is improved, and the neutralization efficiency and safety of equipment are improved.
4. According to the utility model, the material distribution disc is arranged above the inner part of the reaction kettle, so that the material distribution disc can be prevented from being corroded to be damaged; the branch charging tray is double-deck concentric ring structure, and the little round hole that its bottom set up can be convenient for the spraying of dilution water and neutralizer mix, promotes the neutralization rate of material among the reation kettle.
5. The feeding device is arranged, the hoisting device is convenient to fill materials into the storage bin, the storage bin can contain the materials, the outflow of the materials is avoided, the environment is harmed, the weighing module can display the weight of the thrown materials, the neutralization liquid is convenient to configure for workers, the materials can be conveyed into the reaction kettle by the spiral elevator, the stability of the materials conveyed into the reaction kettle is guaranteed by the flexible connection, meanwhile, the cost of the flexible connection is low, and the replacement and maintenance are convenient when the materials are in failure.
6. According to the utility model, the bin is arranged on the second support, so that the bin is prevented from being corroded by ground wastewater, and the spiral elevator is convenient to mount.
7. The stirring paddle is arranged on the central axis of the reaction kettle, so that the motor is convenient to install, and the motor is arranged at the top or the bottom of the reaction kettle or arranged at the top and the bottom simultaneously according to different requirements.
8. The lower part of the practical stirring paddle of the utility model is the anchor type stirring blade, and the rest parts are the frame type stirring blades, and the anchor type stirring blade can stir the viscous materials at the bottom of the reaction kettle, so that the viscous materials participate in the neutralization reaction, and the neutralization speed is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the reaction vessel structure.
Fig. 3 is a schematic view of the distributing tray.
Fig. 4 is a partial schematic view of a in fig. 1.
Wherein: 100. the device comprises a reaction kettle, 101, a water inlet, 102, a material inlet, 103, a motor, 104, a tail gas outlet, 105, a neutralization solution inlet, 106, a material distribution disc, 107, a water-cooling jacket outlet, 108, a water-cooling jacket, 109, a stirring paddle, 109a, a frame type stirring paddle, 109b, an anchor type stirring paddle, 110, a water-cooling jacket inlet, 111, a first support, 112, a discharge port, 121, a cooler, 201, a storage bin, 202, a weighing module, 203, a second support, 204, a hoisting device, 205, a spiral elevator, 206, a flexible connection, 300 and a processing device.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the system for neutralizing and pretreating incineration hazardous wastes comprises a reaction kettle 100, a feeding device and a treatment device 300, wherein the top of the reaction kettle 100 is provided with a water inlet 101, a material inlet 102, a tail gas outlet 104 and a neutralization liquid inlet 105, the bottom of the reaction kettle 100 is provided with a material outlet 112, the feeding device is connected with the material inlet 102, and the treatment device 300 is connected with the tail gas outlet 104.
In order to avoid corrosion of the ground sewage, the reaction tank 100 is supported by the first support 111.
In order to reduce the potential safety hazard caused by the exothermic neutralization reaction, the reaction kettle 100 further comprises a water-cooling jacket 108, the water-cooling jacket 108 is arranged on the side wall of the reaction kettle 100, the top of the water-cooling jacket 108 is provided with a water-cooling jacket outlet 107, and the bottom of the water-cooling jacket 108 is provided with a water-cooling jacket inlet 110.
In order to ensure the stable circulation of the cooling water, the cooling device 121 is further included, and the cooling device 121 is connected with the water-cooling jacket outlet 107 and the water-cooling jacket inlet 110 through pipelines.
In order to reduce the corrosion of the materials, the reaction kettle further comprises a material distribution disc 106, and the material distribution disc 106 is arranged above the inner part of the reaction kettle 100.
In order to improve the neutralization rate of materials in the reaction kettle, the material distribution disc 106 is of a hollow double-layer concentric ring structure which is not communicated with each other, a plurality of uniformly distributed round holes are formed in the bottoms of the inner layer and the outer layer of the material distribution disc 106, the outer layer of the material distribution disc is connected with the water inlet 101, and the inner layer of the material distribution disc is connected with the neutralization liquid inlet 105.
In order to facilitate the operation of workers, the feeding device comprises a bin 201, a lifting device 204 and a spiral elevator 205, the lifting device 204 is arranged above the bin 201, a discharge port below the bin 201 is connected with a feeding end of the spiral elevator 205, and a discharge end of the spiral elevator 205 is connected with the material inlet 102 through a flexible connection 206.
For weighing convenience, the silo 201 is supported by a second bracket 203, and a weighing module 202 is arranged between the second bracket 203 and the silo 201.
In order to facilitate the arrangement of the motor, a stirring paddle 109 is vertically arranged inside the reaction kettle 100, and a main shaft of the stirring paddle 109 is located on a central axis of the reaction kettle 100 and extends out of the reaction kettle 100 from inside to outside to be connected with an output end of the motor 103.
In order to increase the neutralization rate, an anchor type stirring blade 109b is used on the contact surface of the stirring paddle 109 and the bottom of the reaction kettle 100, and the rest part is a frame type stirring blade 109 a.
The specific working process of the utility model is as follows:
during operation, materials to be neutralized and pretreated are placed in a storage bin 201 by using a hoisting device 204, the materials are weighed by using a weighing module 202, then the weight of water and neutralizing liquid required by neutralization operation is calculated by workers, so that the materials are prepared, then the materials enter a spiral elevator 205 from the bottom of the storage bin 201, then the materials are conveyed into a reaction kettle 100 through a flexible connection 206 and a material inlet 102 by the spiral elevator 205, then the water is input into the reaction kettle 100 from a water inlet 101, neutralizing liquid is input into the reaction kettle 100 from a neutralizing liquid inlet 105, the water and the neutralizing liquid are mixed in advance through a distributing tray 106 when entering the reaction kettle 100 and are uniformly contacted with the materials, then a motor 103 drives a stirring blade 109 to rotate, an anchor type stirring blade 109b can stir the materials precipitated at the bottom of the reaction kettle 100, a frame type stirring blade 109a increases the flow of the neutralizing liquid, so that the neutralization reaction rate is accelerated, in the process of neutralization reaction, the generated heat is absorbed by the water-cooling jacket 108, the tail gas generated in the neutralization reaction is discharged to the treatment device 300 from the tail gas outlet 104 for treatment, and the residual liquid is discharged from the discharge hole 112; after being heated, the cooling water in the water-cooling jacket 108 flows out of the water-cooling jacket outlet 108 to the cooler 121 for cooling, and the cooled water flows into the water-cooling jacket 108 again through the water-cooling jacket inlet 110; during the whole operation, the first support 111 and the second support 204 support the reaction kettle 100 and the storage bin 201, respectively, so as to prevent the reaction kettle from being corroded by ground wastewater.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. An incineration type hazardous waste neutralization pretreatment system comprises a reaction kettle (100), a feeding device and a treatment device (300), and is characterized in that: the reactor is characterized in that a water inlet (101), a material inlet (102), a tail gas outlet (104) and a neutralizing liquid inlet (105) are formed in the top of the reaction kettle (100), a discharge hole (112) is formed in the bottom of the reaction kettle (100), the feeding device is connected with the material inlet (102), and the processing device (300) is connected with the tail gas outlet (104).
2. An incineration-type hazardous waste neutralization pretreatment system according to claim 1, characterized in that: the reaction kettle (100) is supported by a first support (111).
3. An incineration-type hazardous waste neutralization pretreatment system according to claim 1, characterized in that: the reaction kettle (100) further comprises a water-cooling jacket (108), the water-cooling jacket (108) is arranged on the side wall of the reaction kettle (100), the top of the water-cooling jacket (108) is provided with a water-cooling jacket outlet (107), and the bottom of the water-cooling jacket (108) is provided with a water-cooling jacket inlet (110).
4. An incineration-type hazardous waste neutralization pretreatment system according to claim 3, characterized in that: the device also comprises a cooler (121), wherein the cooler (121) is connected with the water-cooling jacket outlet (107) and the water-cooling jacket inlet (110) through pipelines.
5. An incineration-type hazardous waste neutralization pretreatment system according to claim 1, characterized in that: the reaction kettle further comprises a material distribution disc (106), wherein the material distribution disc (106) is arranged above the inner part of the reaction kettle (100).
6. An incineration-type hazardous waste neutralization pretreatment system according to claim 5, characterized in that: the distribution disc (106) is of a hollow double-layer concentric ring structure which is not communicated with each other, a plurality of uniformly distributed round holes are formed in the bottoms of the inner layer and the outer layer of the distribution disc, the outer layer of the distribution disc is connected with the water inlet (101), and the inner layer of the distribution disc is connected with the neutralization solution inlet (105).
7. An incineration-type hazardous waste neutralization pretreatment system according to claim 1, characterized in that: the feeding device comprises a storage bin (201), a hoisting device (204) and a spiral elevator (205), wherein the hoisting device (204) is arranged above the storage bin (201), a discharge hole below the storage bin (201) is connected with a feeding end of the spiral elevator (205), and a discharge end of the spiral elevator (205) is connected with the material inlet (102) through a flexible connection (206).
8. An incineration-type hazardous waste neutralization pretreatment system according to claim 7, characterized in that: the feed bin (201) is supported by a second support (203), and a weighing module (202) is arranged between the second support (203) and the feed bin (201).
9. An incineration-type hazardous waste neutralization pretreatment system according to claim 1, characterized in that: a stirring paddle (109) is vertically arranged in the reaction kettle (100), and a main shaft of the stirring paddle (109) is located on a central axis of the reaction kettle (100) and extends out of the reaction kettle (100) from inside to outside to be connected with an output end of the motor (103).
10. An incineration-type hazardous waste neutralization pretreatment system according to claim 9, characterized in that: the contact surface of the stirring paddle (109) and the bottom of the reaction kettle (100) uses an anchor type stirring blade (109b), and the rest parts are frame type stirring blades (109 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122306603.2U CN216260724U (en) | 2021-09-23 | 2021-09-23 | Incineration hazardous waste neutralization pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122306603.2U CN216260724U (en) | 2021-09-23 | 2021-09-23 | Incineration hazardous waste neutralization pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216260724U true CN216260724U (en) | 2022-04-12 |
Family
ID=81063939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122306603.2U Active CN216260724U (en) | 2021-09-23 | 2021-09-23 | Incineration hazardous waste neutralization pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216260724U (en) |
-
2021
- 2021-09-23 CN CN202122306603.2U patent/CN216260724U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MX2008003811A (en) | Asphalt reactor and blending system. | |
| CN106145574A (en) | A kind of multi-section tube type mud Rapid Thermal hydrolysis process technique | |
| CN109603700A (en) | Utilize calcium carbide Slag treatment acetylene cleaning Waste Sulfuric Acid technique and device | |
| CN216260724U (en) | Incineration hazardous waste neutralization pretreatment system | |
| CN110451752A (en) | The integrated conduct method and device of a kind of self-heating sludge and salkali waste waste liquid | |
| CN214142076U (en) | Organic-inorganic sludge separation device | |
| CN111678138A (en) | Liquid hazardous waste preliminary treatment and waste gas collection device | |
| CN217297359U (en) | A effluent treatment plant for resin processing | |
| CN103680661B (en) | Nuclear power station solid waste processing system | |
| CN105693010B (en) | A kind of ferrikinetics and the iron-carbon reduction life assemblage processing method and its device of mud decrement | |
| CN209438593U (en) | A kind of spent acid carbide slag mixing reactor | |
| CN220560053U (en) | Strong acid hazardous waste disposal device | |
| CN208776372U (en) | A kind of neutralization reactor | |
| CN110585978B (en) | Emulsified asphalt mixing production equipment | |
| CN211367091U (en) | Novel high concentration chemical industry waste water wet oxidation device | |
| CN220098714U (en) | Integrated ozone oxidation treatment device | |
| WO2019098556A1 (en) | Apparatus and method for production of biodiesel | |
| CN218339777U (en) | Safe type reaction tower | |
| CN206970380U (en) | Coagulating sedimentation photocatalysis combined apparatus | |
| JP2001205077A (en) | Method for reaction-treating liquid containing polychlorinated aromatic compound through continuous flow and device therefor | |
| CN112479527A (en) | System and method for treating industrial sludge by micro-interface enhanced wet oxidation method | |
| CN107973500B (en) | Device and method for mixed hydrolysis treatment of excess sludge | |
| CN216191418U (en) | Semi-automatic chemical feeding device for industrial circulating water | |
| CN219991395U (en) | Fenton iron mud in-situ recycling integrated device | |
| CN219356225U (en) | Device for relieving reactivity of hazardous waste |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |