CN111678138A - Liquid hazardous waste preliminary treatment and waste gas collection device - Google Patents
Liquid hazardous waste preliminary treatment and waste gas collection device Download PDFInfo
- Publication number
- CN111678138A CN111678138A CN202010558429.8A CN202010558429A CN111678138A CN 111678138 A CN111678138 A CN 111678138A CN 202010558429 A CN202010558429 A CN 202010558429A CN 111678138 A CN111678138 A CN 111678138A
- Authority
- CN
- China
- Prior art keywords
- waste
- liquid
- storage tank
- hazardous
- mixing
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/008—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
Abstract
The invention provides a liquid hazardous waste pretreatment and waste gas collection device, wherein one end of a spray pipe of the device is connected with a recycled reclaimed water storage tank, the other end of the spray pipe is connected with a hazardous liquid waste storage tank, waste liquid in the hazardous waste storage tank is sucked into the spray pipe through a first self-priming pump, the recycled reclaimed water storage tank is sucked into the spray pipe through a second self-priming pump, a mixing and stirring device is arranged below the spray pipe, a hopper is arranged on one side above the mixing and stirring device, a feeding device is arranged on the side of the hopper, a discharging device is arranged at the bottom of the mixing and stirring device, a first valve is arranged on the discharging device, a sealing cover is arranged on the other side above the mixing. The invention solves the problem that the liquid hazardous waste which cannot be treated by a pump spraying mode is sent into the rotary kiln for incineration, adopts liquid waste neutralizing and stirring equipment and a harmful gas collecting device generated during stirring, pretreats the liquid hazardous waste more safely and stably, and improves the treatment progress of the liquid waste.
Description
Technical Field
The invention relates to a liquid hazardous waste pretreatment and waste gas collection device, which adopts a hazardous waste incineration technology and belongs to the technical field of environmental protection devices.
Background
The incineration process is one of effective means for harmless treatment of hazardous wastes, and generally, solid wastes of different types are mixed and stirred and are sent into an incineration rotary kiln for incineration treatment through a grab bucket. But partial liquid dangerous wastes can not be grabbed and sent into the rotary kiln for incineration through the grab bucket, and at the moment, a pressurizing pump is needed to be adopted and sprayed into the rotary kiln for incineration through a pipeline pump. However, when the method is used for treating the liquid waste, high requirements on the viscosity, impurity content and pH value of the liquid are met, the excessive impurities and excessive viscosity cannot be atomized and sprayed into the rotary kiln by the spraying mode, and the liquid substances with strong acidity can damage the whole incineration process greatly if directly sprayed. Therefore, the pretreatment of the liquid waste is imperative. However, the volatility of harmful substances of liquid hazardous wastes and the generation of harmful gases during pretreatment always troubles the actual production and disposal.
Disclosure of Invention
Aiming at the problem that liquid hazardous waste which cannot be treated in a pump spraying mode is delivered into a rotary kiln for incineration, the invention adopts special liquid waste neutralizing and stirring equipment and a harmful gas collecting device generated during stirring, provides a safer and more stable solution for pretreatment of the liquid hazardous waste, and improves the treatment progress of the liquid waste.
The invention provides a liquid hazardous waste pretreatment and waste gas collection device, which comprises a recycled reclaimed water storage tank, a hazardous liquid waste storage tank, a first self-priming pump, a second self-priming pump, a hopper, a mixing and stirring device, a spray pipe, a feeding device, a discharging device, a first valve, a sealing cover and a gas collecting pipeline, wherein one end of the spray pipe is connected with the recycled reclaimed water storage tank, the other end of the spray pipe is connected with the hazardous liquid waste storage tank, waste liquid in the hazardous waste storage tank is sucked into the spray pipe through the first self-priming pump, the recycled reclaimed water storage tank is sucked into the spray pipe through the second self-priming pump, the mixing and stirring device is arranged below the spray pipe, the hopper is arranged on one side above the mixing and stirring device, the feeding device is arranged on the side of the hopper, the discharging device is arranged at the bottom of the mixing and stirring device, the first valve is arranged on the, and a gas collection pipeline is arranged above the sealing cover.
Preferably, a plurality of spraying openings are formed in the spraying pipe.
Preferably, the mixing and stirring device comprises a first stirring motor, a second stirring motor and double screws, wherein one screw of the double screws is driven by the first stirring motor, and the other screw of the double screws is driven by the second stirring motor.
Preferably, mix agitating unit and include solid feed bin, feed opening, No. two valves and solid feed bin support, install solid feed bin on the solid feed bin support, the below of solid feed bin is provided with the feed opening, and feed opening department installs No. two valves, the feed opening extends to the top of hopper.
Preferably, the feeding device is independently arranged outside the hopper.
The liquid hazardous waste pretreatment and waste gas collection device has the beneficial effects that:
1. the invention provides a pretreatment method when liquid dangerous waste cannot be treated in a pump spraying mode, and the device for pretreating liquid dangerous waste and collecting waste gas can mix dangerous solid waste and liquid dangerous waste by means of treating waste with waste, so that the aim of directly feeding the dangerous solid waste and the liquid dangerous waste into a rotary kiln for burning by a grab bucket is fulfilled. Meanwhile, when the liquid hazardous waste is easy to release high-irritation gas, the invention can not only pretreat the liquid and grab the liquid into the rotary kiln, but also well collect the released hazardous gas, directly introduce the gas into a secondary combustion chamber through a special pipeline under the negative pressure working condition of a draught fan of an incineration system, and incinerate the gas at 1200 ℃, thereby thoroughly treating the waste in a harmless way.
2. The liquid hazardous waste pretreatment and waste gas collection device disclosed by the invention has the advantage that the liquid hazardous waste treatment efficiency is far higher than that of the traditional pump spraying process.
3. The pump spraying is easy to cause accidents such as tempering and fire hazard when the negative pressure is unstable, but the treatment amount of the liquid is increased, the efficiency is greatly improved, the accident risk is reduced, and the safety is greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view showing the construction of a liquid hazardous waste pretreatment and exhaust gas collection apparatus according to the present invention;
FIG. 2 is a partial structural plan view of the liquid hazardous waste pretreatment and exhaust gas collection device according to the present invention;
FIG. 3 is a schematic structural view of a feeding device according to the present invention
In the figure: 1-recycled reclaimed water storage tank; 2-a hazardous liquid waste storage tank; 3-a self-priming pump; 4-second self-priming pump; 5-pipeline number one; 6-pipeline II; 7-a hopper; 8-a stirring motor; 9-a second stirring motor; 10-twin screw; 11-a spray opening; 12-a blanking device; 13-receiving bin; 14-valve number one; 15-sealing the cover; 16-a gas collection pipeline; 17-a solid silo; 18-a feed opening; 19-valve number two; 20-solid bin support; 21-a water inlet of a reclaimed water storage tank; 22-liquid hazardous waste inlet.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 3. The liquid hazardous waste pretreatment and waste gas collection device of the embodiment comprises a reclaimed water storage tank 1, a hazardous liquid waste storage tank 2, a self-priming pump 3, a self-priming pump 4, a hopper 7, a mixing and stirring device, a spray pipe, a feeding device, a blanking device 12, a valve 14, a sealing cover 15 and a gas collecting pipeline 16, wherein the reclaimed water storage tank 1 is connected with one end of the spray pipe, the hazardous liquid waste storage tank 2 is connected with the other end of the spray pipe, waste liquid in the hazardous waste storage tank 2 is sucked into the spray pipe through the self-priming pump 3, the reclaimed water storage tank 1 is sucked into the spray pipe through the self-priming pump 4, the mixing and stirring device is arranged below the spray pipe, the hopper 7 is arranged on one side of the upper part of the mixing and stirring device, the feeding device is arranged on the side of the hopper 7, the blanking device 12 is arranged at the bottom of, the blanking device 12 is provided with a first valve 14, the other side of the upper part of the mixing and stirring device is provided with a sealing cover 15, and a gas collection pipeline 16 is arranged above the sealing cover 15.
The spray pipe is provided with a plurality of spray ports 11.
The mixing and stirring device comprises a first stirring motor 8, a second stirring motor 9 and double screws 10, wherein one screw of the double screws 10 is driven by the first stirring motor 8, and the other screw is driven by the second stirring motor 9.
Mix agitating unit and include solid feed bin 17, feed opening 18, No. two valves 19 and solid feed bin support 20, install solid feed bin 17 on the solid feed bin support 20, the below of solid feed bin 17 is provided with feed opening 18, and No. two valves 19 are installed to feed opening 18 department, feed opening 18 extends to the top of hopper 7. The feeding device is independently arranged on the outer side of the hopper 7.
The first valve 14, the second valve 19, the first stirring motor 8 and the second stirring motor 9 are controlled by a control system.
The operation process of the liquid hazardous waste pretreatment and waste gas collection device comprises the following steps:
dangerous wastes material of liquid of storage passes through self priming pump 3 in dangerous liquid waste storage tank 2, via pipeline 6, get into the shower and enter into mixing stirring device through spraying mouth 11 in, solid is in the stock bin 17 in the solid via feed opening 18, get into in the hopper 7, when stopping that solid wastes material enters into, close No. two valve 19, stop the unloading, under the drive of an agitator motor 8 and No. two agitator motors 9, will spray mouthful 11 spun dangerous wastes material of liquid and the solid wastes material that gets into in the hopper 7 and stir under twin-screw 10's effect and mix.
The first stirring motor 8 and the second stirring motor 9 respectively drive two groups of stirring screws 10, and the two groups of screws respectively rotate in opposite directions and stir in opposite directions under the control of different operating systems. When the dangerous waste viscosity of the liquid in the dangerous liquid waste storage tank 2 is too high, and when the dangerous waste is mixed unevenly with the solid material, properly stop the work of self priming pump 3, open No. two self priming pumps 4, pour into the normal water in the retrieval and utilization normal water storage tank 1 by pipeline 5, dilute.
Because the liquid hazardous waste often contains irritant gases, and meanwhile, a large amount of harmful gases are generated by adding alkaline substances into the acidic waste liquid, the sealing cover 15 needs to be installed during stirring pretreatment, and the waste gases generated during stirring pretreatment are directly sent into a secondary combustion chamber of the incineration process through the gas collection pipeline 16 (the incineration process is in negative pressure operation, and the gases can be directly absorbed and pumped away). After the pretreatment is finished, the double screws 10 work oppositely, the pretreated waste is discharged into the receiving bin 13 from the discharging opening 12, and after the receiving bin 13 is filled, the first valve 14 is closed in the discharging opening 12 to prevent the treated waste from being poured continuously. When the liquids in the reclaimed water storage tank 1 and the hazardous liquid waste storage tank 2 are insufficient, the waste liquid is pumped in from a water inlet of the reclaimed water storage tank 21 and a liquid inlet of the hazardous liquid waste 22 respectively.
Because the incineration process equipment is in a negative pressure state under the action of the induced draft fan, the negative pressure of the secondary combustion chamber is-90 Pa, the joints of the stirring equipment are sealed by sealing rubber, and only the feed inlet at the upper part of the hopper 7 is communicated with the atmosphere, the dangerous waste gas generated when the device works is directly pumped into the secondary combustion chamber under the negative pressure state through the gas collecting pipeline, so that the dangerous gas is prevented from overflowing.
The viscosity of the hazardous liquid waste in the hazardous liquid waste storage tank 2 can be measured by a factory laboratory, or a viscosity measuring device can be arranged in the hazardous liquid waste storage tank 2 for measurement, and different feeding schemes are selected according to the viscosity.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A liquid hazardous waste pretreatment and waste gas collection device is characterized by comprising a reclaimed water storage tank (1), a hazardous liquid waste storage tank (2), a first self-priming pump (3), a second self-priming pump (4), a hopper (7), a mixing and stirring device, a spray pipe, a feeding device, a discharging device (12), a first valve (14), a sealing cover (15) and a gas collection pipeline (16),
retrieval and utilization normal water storage tank (1) is connected to the one end of shower, and hazardous liquid waste storage tank (2) is connected to the other end, waste liquid in hazardous liquid waste storage tank (2) inhales the shower through self priming pump (3) No. one, in retrieval and utilization normal water storage tank (1) inhales the shower through self priming pump (4) No. two, mix agitating unit is installed to the shower below, hopper (7) are installed to mix agitating unit's top one side, material feeding unit is installed to the side of hopper (7), unloader (12) are installed to mixing agitating unit bottom, install valve (14) on unloader (12), sealed cowling (15) are installed to mixed agitating unit's top opposite side, gas collection pipeline (16) are installed to sealed cowling (15) top.
2. The apparatus for pretreating liquid hazardous waste and collecting exhaust gas according to claim 1, wherein the spray pipe is provided with a plurality of spray ports (11).
3. The liquid hazardous waste pretreatment and exhaust gas collection device according to claim 1, wherein the mixing and stirring device comprises a first stirring motor (8), a second stirring motor (9) and a double screw (10), one of the double screw (10) is driven by the first stirring motor (8), and the other screw is driven by the second stirring motor (9).
4. The liquid hazardous waste pretreatment and waste gas collection device according to claim 1, wherein the mixing and stirring device comprises a solid storage bin (17), a feed opening (18), a second valve (19) and a solid storage bin support (20), the solid storage bin (17) is installed on the solid storage bin support (20), the feed opening (18) is arranged below the solid storage bin (17), the second valve (19) is installed at the feed opening (18), and the feed opening (18) extends to the upper part of the hopper (7).
5. The apparatus for pre-treatment of liquid hazardous waste and collection of exhaust gases according to claim 1, characterized in that the feeding device is independently arranged outside the hopper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558429.8A CN111678138A (en) | 2020-06-18 | 2020-06-18 | Liquid hazardous waste preliminary treatment and waste gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558429.8A CN111678138A (en) | 2020-06-18 | 2020-06-18 | Liquid hazardous waste preliminary treatment and waste gas collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111678138A true CN111678138A (en) | 2020-09-18 |
Family
ID=72455604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010558429.8A Pending CN111678138A (en) | 2020-06-18 | 2020-06-18 | Liquid hazardous waste preliminary treatment and waste gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111678138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128977A (en) * | 2020-10-22 | 2020-12-25 | 洛阳昊海环保科技有限公司 | Process method for heating pretreatment of hazardous waste barreled material |
| CN113083853A (en) * | 2021-03-30 | 2021-07-09 | 江苏永之清固废处置有限公司 | Harmless treatment device and method for high-sulfur and high-chlorine high-risk hazardous waste |
-
2020
- 2020-06-18 CN CN202010558429.8A patent/CN111678138A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128977A (en) * | 2020-10-22 | 2020-12-25 | 洛阳昊海环保科技有限公司 | Process method for heating pretreatment of hazardous waste barreled material |
| CN112128977B (en) * | 2020-10-22 | 2022-07-01 | 洛阳昊海环保科技有限公司 | Process method for heating pretreatment of hazardous waste barreled material |
| CN113083853A (en) * | 2021-03-30 | 2021-07-09 | 江苏永之清固废处置有限公司 | Harmless treatment device and method for high-sulfur and high-chlorine high-risk hazardous waste |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111678138A (en) | Liquid hazardous waste preliminary treatment and waste gas collection device | |
| CN212362022U (en) | Liquid hazardous waste preliminary treatment and waste gas collection device | |
| CN106115886B (en) | Sewage filters charge device | |
| CN110451752A (en) | The integrated conduct method and device of a kind of self-heating sludge and salkali waste waste liquid | |
| JP3130553U (en) | Volume reduction equipment | |
| CN209646346U (en) | A kind of SNCR denitration agent automatic assembly line dosages distribution reaction unit | |
| CN114053930A (en) | Energy-saving and environment-friendly sludge discharge device and method for sewage treatment | |
| CN210261488U (en) | Pretreatment device used before sludge incineration | |
| CN112792108A (en) | Novel efficient fly ash medicament chelation stabilizing system and chelation stabilizing method thereof | |
| CN112191137A (en) | Mixing device with remove peculiar smell function | |
| CN216260724U (en) | Incineration hazardous waste neutralization pretreatment system | |
| CN219356225U (en) | Device for relieving reactivity of hazardous waste | |
| CN110296417A (en) | A kind of HW06 class organic solvent waste treatment method | |
| CN219252189U (en) | High-efficient waste gas sprays neutralization formula purifier | |
| CN217247936U (en) | Metal smelting secondary zinc oxide desulfurization equipment | |
| CN218494989U (en) | Ash removal system of garbage power plant | |
| CN215657006U (en) | Novel high-efficient flying dust medicament chelate stable system | |
| CN111468506B (en) | Explosion-proof safe type overhaul sediment processing apparatus | |
| CN218435377U (en) | Leachate advanced treatment equipment | |
| CN211025945U (en) | PP material's medicament agitator tank | |
| CN216764536U (en) | Concentrated solution processing apparatus | |
| CN210186813U (en) | Intelligent environment-friendly sulfur-containing tail gas purification device | |
| CN214829547U (en) | Energy-saving waste water and waste gas combined treatment device | |
| CN219326629U (en) | Novel mine well is handled device | |
| CN211255399U (en) | Environment-friendly sewage treatment device with accelerated sedimentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |