CN219014328U - Industrial sludge innocent treatment incinerator - Google Patents

Abstract

The utility model relates to the technical field of incinerators, in particular to an industrial sludge innocent treatment incinerator which can be used for carrying out high-temperature drying pretreatment on sludge, recovering flue gas waste heat and improving sludge incineration efficiency; the device comprises an incinerator, wherein a slag discharging pipe is arranged at the lower end of the incinerator, and a blower blows air into the incinerator; still include dry cylinder, heat-resisting pipe network, hot-blast coil pipe, agitator and waste heat recovery mechanism, waste heat recovery mechanism is located the external world of burning the stove and with burn the stove intercommunication, the outlet duct and the waste heat recovery cavity intercommunication of air-blower, heat-resisting pipe network is installed in the burning cavity of burning the stove, heat-resisting pipe network and waste heat recovery mechanism intercommunication, hot-blast coil pipe installs in dry cylinder bottom, hot-blast coil pipe's up end is provided with a plurality of ventholes, hot-blast coil pipe and heat-resisting pipe network intercommunication, agitator motor installs the lower terminal surface at the dry cylinder, agitator motor's output shaft is installed the agitator, the agitator is located the dry cavity of dry cylinder, dry cylinder and burn the stove intercommunication.

Description

Industrial sludge innocent treatment incinerator

Technical Field

The utility model relates to the technical field of incinerators, in particular to an industrial sludge harmless treatment incinerator.

Background

The sludge incineration is to make organic matters in the sludge undergo combustion reaction under the condition of a certain temperature and sufficient gas phase oxygen, and convert the organic matters into corresponding gas phase matters such as CO2, H2O, N2 and the like, including evaporation, volatilization, decomposition, sintering, melting and oxidation-reduction reactions, and corresponding comprehensive physical change and chemical reaction processes of mass transfer and heat transfer. An industrial sludge harmless treatment incinerator is equipment for incinerating industrial sludge, for example, a sludge cyclone incinerator proposed by application number of CN201921635488.X, the device can increase the residence time in a main body of a flue gas incinerator, reduce the dust amount in discharged flue gas, and enable the sludge to burn more fully in the incinerator; however, the device does not pretreat the sludge, the moist sludge directly enters the incinerator through the sludge inlet, the temperature of the incinerator is reduced due to the moist sludge, and the flue gas residual temperature recovery device is not arranged, so that the complete incineration of the sludge is not facilitated, the incineration time is prolonged, and more fuel is consumed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the industrial sludge harmless treatment incinerator which can perform high-temperature drying pretreatment on sludge, recover flue gas waste heat and improve sludge incineration efficiency.

The utility model relates to an industrial sludge innocent treatment incinerator, which comprises an incinerator, a slag discharging pipe and a blower, wherein an incineration chamber is arranged in the incinerator, the slag discharging pipe is arranged at the lower end of the incinerator, and the blower blows air into the incineration chamber of the incinerator; the device comprises a drying cylinder, a heat-resistant pipe network, a hot air coil, a stirrer and a waste heat recovery mechanism, wherein the waste heat recovery mechanism is positioned outside an incinerator and is communicated with an incineration chamber of the incinerator; the wet sludge is put into the drying cylinder, the air blower is operated to suck the outside air, the air is preheated by the waste heat recovery mechanism and then is blown into the incineration chamber of the incinerator, the dried sludge is burnt in the incineration chamber of the incinerator, the heat-resistant pipe network is heated during sludge incineration, the preheated air in the heat-resistant pipe network is heated to high temperature again, the high-temperature air enters the hot air coil, the hot air coil is used for introducing the high-temperature dried air into the wet sludge from the bottom of the drying chamber of the drying cylinder, so that the moisture in the sludge is evaporated at high temperature, the stirring motor drives the stirrer to rotate, the stirrer stirs and breaks the sludge, the drying speed of the sludge is increased, and after the sludge in the drying chamber of the drying cylinder is dried and heated to a set temperature, the dried and crushed sludge is put into the incineration chamber of the incinerator, so that the furnace temperature is prevented from being reduced, the residual flue gas temperature is preheated by the waste heat recovery mechanism, the sludge is thoroughly burnt, the burning time is effectively shortened, the fuel consumption is reduced, and the practicability is high.

Preferably, the drying cylinder comprises a charging hopper, a discharging pipe, a flashboard and a water-air pipe, wherein the charging hopper is arranged on the drying cylinder, sludge is added into a drying chamber of the drying cylinder through the charging hopper, the charging hopper is provided with a closed flashboard, the input end of the discharging pipe is communicated with the bottom of the drying chamber of the drying cylinder, the output end of the discharging pipe stretches into the middle part of an incineration chamber of the incinerator, the flashboard is movably inserted in the middle part of the discharging pipe, the input end of the water-air pipe is communicated with the upper end of the drying chamber of the drying cylinder, and the output of the water-air pipe stretches into the upper part of the incineration chamber of the incinerator; moist mud is filled in the dry cavity of dry section of thick bamboo through the loading hopper, and the moisture and the volatile gas of mud evaporation at the in-process of high temperature drying are through the water pipe input to the burning cavity of burning furnace in, and the flame in the burning furnace burns above-mentioned volatile gas, and after the drying was accomplished, open the flashboard for dry kibbling mud is discharged into the burning cavity of burning furnace through the discharging pipe, improves the practicality of equipment.

Preferably, the waste heat recovery mechanism comprises a smoke exhaust pipe, a heat exchange cylinder and an exchanger, wherein the input end of the smoke exhaust pipe is communicated with the upper part of an incineration chamber of the incinerator, the output end of the smoke exhaust pipe is provided with the heat exchange cylinder, the exchanger is arranged in the heat exchange cylinder, the air inlet of the exchanger is connected with the air outlet of the blower through an air pipe, and the heat-resistant pipe network is connected with the output end of the exchanger through a middle air pipe; the flue gas generated by incinerating sludge in the incinerator is input into the heat exchange cylinder through the smoke exhaust pipe, the high-temperature flue gas is in contact with the exchanger, and the heat of the high-temperature flue gas heats the exchanger, so that the air in the exchanger is preheated by the flue gas waste heat, and the utilization rate of the waste heat is improved.

Preferably, the incinerator further comprises a hot air box, the hot air box is arranged at the bottom of an incineration chamber of the incinerator, the input end of the hot air box is connected with the output end of the exchanger through a first air pipe, the hot air box is provided with a plurality of ash leakage holes which are vertically communicated, and the upper end face of the hot air box is provided with a plurality of air blowing holes; the residue after sludge incineration falls into the bottom of the incineration chamber of the incinerator through the ash leakage hole of the hot air box, and is discharged through the slag discharge pipe, air preheated by the exchanger is introduced into the hot air box through the first air pipe and is discharged into the bottom of the incineration chamber of the incinerator through the plurality of air blowing holes, so that sludge incineration is promoted, and the practicability is high.

Preferably, the incinerator further comprises a second air pipe, wherein the input end of the second air pipe penetrates through the outer wall of the heat exchange cylinder and is connected with the input end of the exchanger, and the output end of the second air pipe extends into the middle upper part of the incineration chamber of the incinerator; and (3) carrying out secondary air supplement on the incineration chamber of the incinerator through the second air pipe, so as to promote sludge incineration.

Preferably, the incinerator further comprises a plurality of regulating valves, wherein the middle air pipe, the first air pipe and the second air pipe are respectively provided with a regulating valve, and the regulating valves are positioned between the incinerator and the exchanger; the air outlet quantity of the hot air compartment, the hot air coil pipe and the second air pipe is regulated by the plurality of regulating valves, so that the wind power is distributed efficiently, and the sludge incineration effect and the sludge drying effect are improved.

Compared with the prior art, the utility model has the beneficial effects that: the wet sludge is put into the drying cylinder, the air blower is operated to suck the outside air, the air is preheated by the waste heat recovery mechanism and then is blown into the incineration chamber of the incinerator, the dried sludge is burnt in the incineration chamber of the incinerator, the heat-resistant pipe network is heated during sludge incineration, the preheated air in the heat-resistant pipe network is heated to high temperature again, the high-temperature air enters the hot air coil, the hot air coil is used for introducing the high-temperature dried air into the wet sludge from the bottom of the drying chamber of the drying cylinder, so that the moisture in the sludge is evaporated at high temperature, the stirring motor drives the stirrer to rotate, the stirrer stirs and breaks the sludge, the drying speed of the sludge is increased, and after the sludge in the drying chamber of the drying cylinder is dried and heated to a set temperature, the dried and crushed sludge is put into the incineration chamber of the incinerator, so that the furnace temperature is prevented from being reduced, the residual flue gas temperature is preheated by the waste heat recovery mechanism, the sludge is thoroughly burnt, the burning time is effectively shortened, the fuel consumption is reduced, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 3 is a schematic diagram of the structure of a dryer cartridge, heat-resistant pipe network, hot air coil, agitator motor and agitator;

FIG. 4 is a schematic structural view of the incinerator, the slag discharging pipe, the blower, the waste heat recovery mechanism and the like;

the reference numerals in the drawings: 1. an incinerator; 2. a slag discharge pipe; 3. a blower; 4. a drying cylinder; 5. a heat-resistant pipe network; 6. a hot air coil; 7. a stirring motor; 8. a stirrer; 9. a hopper; 10. a discharge pipe; 11. a flashboard; 12. a water pipe; 13. a smoke exhaust pipe; 14. a heat exchange cylinder; 15. an exchanger; 16. a hot air compartment; 17. a second air duct; 18. and (3) regulating the valve.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, an industrial sludge harmless treatment incinerator comprises an incinerator 1, a slag discharging pipe 2 and a blower 3, wherein an incineration chamber is arranged in the incinerator 1, the slag discharging pipe 2 is arranged at the lower end of the incinerator 1, and the blower 3 blows air into the incineration chamber of the incinerator 1; the device also comprises a drying cylinder 4, a heat-resistant pipe network 5, a hot air coil 6, a stirrer 8 and a waste heat recovery mechanism, wherein the waste heat recovery mechanism is positioned outside the incinerator 1 and is communicated with an incineration chamber of the incinerator 1, an air outlet pipe of the air blower 3 is communicated with the waste heat recovery chamber, the heat-resistant pipe network 5 is arranged in the incineration chamber of the incinerator 1, the heat-resistant pipe network 5 is communicated with the waste heat recovery mechanism, the drying cylinder 4 is arranged on the outer wall of the incinerator 1, the inside of the drying cylinder 4 is provided with a drying chamber, a hot air coil pipe 6 is arranged at the bottom of the drying chamber of the drying cylinder 4, the upper end surface of the hot air coil pipe 6 is provided with a plurality of air outlet holes, the hot air coil pipe 6 is communicated with a heat-resistant pipe network 5, a stirring motor 7 is arranged at the lower end surface of the drying cylinder 4, an output shaft of the stirring motor 7 is provided with a stirrer 8, the stirrer 8 is positioned in the drying chamber of the drying cylinder 4, and the drying cylinder 4 is communicated with the incinerator 1; the drying cylinder 4 comprises a charging hopper 9, a discharging pipe 10, a flashboard 11 and a water vapor pipe 12, the charging hopper 9 is arranged on the drying cylinder 4, sludge is added into a drying chamber of the drying cylinder 4 through the charging hopper 9, a closed flashboard is arranged on the charging hopper 9, the input end of the discharging pipe 10 is communicated with the bottom of the drying chamber of the drying cylinder 4, the output end of the discharging pipe 10 stretches into the middle part of an incineration chamber of the incinerator 1, the flashboard 11 is movably inserted in the middle part of the discharging pipe 10, the input end of the water vapor pipe 12 is communicated with the upper end of the drying chamber of the drying cylinder 4, and the output of the water vapor pipe 12 stretches into the upper part of the incineration chamber of the incinerator 1; the waste heat recovery mechanism comprises a smoke exhaust pipe 13, a heat exchange cylinder 14 and an exchanger 15, wherein the input end of the smoke exhaust pipe 13 is communicated with the upper part of an incineration chamber of the incinerator 1, the output end of the smoke exhaust pipe 13 is provided with the heat exchange cylinder 14, the heat exchange cylinder 14 is internally provided with the exchanger 15, an air inlet of the exchanger 15 is connected with an air outlet of the blower 3 through an air pipe, and the heat-resistant pipe network 5 is connected with the output end of the exchanger 15 through a middle air pipe; the incinerator further comprises a hot air separation box 16, wherein the hot air separation box 16 is arranged at the bottom of an incineration chamber of the incinerator 1, the input end of the hot air separation box 16 is connected with the output end of the exchanger 15 through a first air pipe, the hot air separation box 16 is provided with a plurality of ash leakage holes which are vertically communicated, and the upper end face of the hot air separation box 16 is provided with a plurality of air blowing holes; the incinerator further comprises a second air pipe 17, wherein the input end of the second air pipe 17 penetrates through the outer wall of the heat exchange cylinder 14 and is connected with the input end of the exchanger 15, and the output end of the second air pipe 17 extends into the middle upper part of the incineration chamber of the incinerator 1;

the moist sludge is filled into the drying chamber of the drying cylinder 4 through the hopper 9, the air blower 3 is operated to suck the outside air, the flue gas generated by the sludge incineration in the incinerator 1 is input into the heat exchange cylinder 14 through the smoke exhaust pipe 13, the high-temperature flue gas is contacted with the heat exchanger 15, the heat of the high-temperature flue gas heats the heat exchanger 15, so that the air in the heat exchanger 15 is preheated by the flue gas waste heat, the utilization rate of the waste heat is improved, the air preheated by the heat exchanger 15 is introduced into the hot air compartment 16 through the first air pipe and is discharged into the bottom of the incineration chamber of the incinerator 1 through the plurality of air blowing holes, the secondary air supplement is carried out to the incineration chamber of the incinerator 1 through the second air pipe 17, the sludge incineration is promoted, the heat-resistant pipe network 5 is heated during the sludge incineration, the preheated air in the heat-resistant pipe network 5 is reheated to high temperature, the high-temperature air enters the hot air coil 6, the hot air coil 6 introduces high-temperature dried air into wet sludge from the bottom of the drying chamber of the drying cylinder 4, the water and volatile gas evaporated in the high-temperature drying process of the sludge are input into the incineration chamber of the incinerator 1 through the water pipe 12, the flame in the incinerator 1 incinerates the volatile gas, meanwhile, the stirring motor 7 drives the stirring device 8 to rotate, the stirring device 8 stirs and breaks the sludge, the drying speed of the sludge is accelerated, after the sludge in the drying chamber of the drying cylinder 4 is dried and heated to a set temperature, the flashboard 11 is opened, the dried and crushed sludge is discharged into the incineration chamber of the incinerator 1 through the discharging pipe 10, thereby avoiding the reduction of the furnace temperature of the wet sludge, the residual temperature of flue gas preheats the air supply through the waste heat recovery mechanism, facilitating the thorough incineration of the sludge, effectively shortening the incineration time, reducing the fuel consumption and having high practicability, the sludge-incinerated residues fall into the bottom of the incineration chamber of the incinerator 1 through the ash leakage holes of the hot air partition box 16 and are discharged through the slag discharge pipe 2.

As shown in fig. 1 to 4, in the industrial sludge harmless treatment incinerator according to the present utility model, when the incinerator works, firstly moist sludge is put into a drying cylinder 4 through a hopper 9, an air blower 3 operates to suck external air in, and the air is preheated through an exchanger 15 and then blown into an incineration chamber of the incinerator 1 through a hot air compartment 16 and a second air pipe 17, so that the dry sludge is incinerated in the incineration chamber of the incinerator 1 by means of flames, then the flames heat a heat-resistant pipe network 5 while incinerating the sludge, the preheated air in the heat-resistant pipe network 5 is heated to a high temperature again, the high temperature air enters a hot air coil 6, then the hot air coil 6 introduces the high temperature dry air into the moist sludge from the bottom of a drying chamber of the drying cylinder 4, so that moisture in the sludge is evaporated at a high temperature, water vapor and gas which can be emitted are introduced into the incineration chamber of the incinerator 1 through a water pipe 12, and simultaneously a stirrer 8 is driven to rotate by a stirring motor 7, so that the sludge is smashed by the stirrer 8, and the drying speed of the sludge is accelerated, and when the sludge in the drying chamber of the drying cylinder 4 is incinerated, the sludge is finally dried and the sludge is set to a drying chamber is set to a drying shutter 11, and the sludge is crushed by opening the drying shutter 10.

The main functions realized by the utility model are as follows:

1. carrying out high-temperature drying pretreatment on the sludge to avoid the reduction of furnace temperature by the wet sludge;

2. the residual temperature of the flue gas preheats the air supply through the waste heat recovery mechanism, so that the sludge is thoroughly incinerated, the incineration time is effectively shortened, and the fuel consumption is reduced;

3. the sludge is promoted to be thoroughly burnt through secondary air inlet.

The incinerator 1, the slag discharging pipe 2, the air blower 3, the heat-resistant pipe network 5, the exchanger 15, the regulating valve 18, the stirring motor 7, the stirrer 8, the hot air compartment 16 and the hot air coil 6 of the industrial sludge innocent treatment incinerator are purchased in the market, and the industrial sludge innocent treatment incinerator can be installed and operated by the personnel in the industry according to the attached using instruction without creative labor of the personnel in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. An industrial sludge harmless treatment incinerator comprises an incinerator (1), a slag discharging pipe (2) and a blower (3), wherein an incineration chamber is arranged in the incinerator (1), the slag discharging pipe (2) is arranged at the lower end of the incinerator (1), and the blower (3) blows air into the incineration chamber of the incinerator (1); the heat-resistant pipe network (5) is installed in the incineration chamber of the incinerator (1), the heat-resistant pipe network (5) is communicated with the waste heat recovery mechanism, the drying cylinder (4) is installed on the outer wall of the incinerator (1), the drying chamber is arranged in the drying cylinder (4), the hot air coil (6) is installed at the bottom of the drying chamber of the drying cylinder (4), a plurality of air outlets are formed in the upper end face of the hot air coil (6), the hot air coil (6) is communicated with the heat-resistant pipe network (5), the stirring motor (7) is installed at the lower end face of the drying cylinder (4), the output shaft of the stirring motor (7) is provided with the stirrer (8), the stirrer (8) is located in the drying chamber of the drying cylinder (4), and the drying cylinder (4) is communicated with the incinerator (1).

2. The industrial sludge harmless treatment incinerator according to claim 1, wherein the drying cylinder (4) comprises a feeding hopper (9), a discharging pipe (10), a flashboard (11) and a water gas pipe (12), the feeding hopper (9) is arranged on the drying cylinder (4), sludge is added into a drying chamber of the drying cylinder (4) through the feeding hopper (9), a closed flashboard is arranged on the feeding hopper (9), an input end of the discharging pipe (10) is communicated with the bottom of the drying chamber of the drying cylinder (4), an output end of the discharging pipe (10) stretches into the middle of an incineration chamber of the incinerator (1), the flashboard (11) is movably inserted in the middle of the discharging pipe (10), an input end of the water gas pipe (12) is communicated with the upper end of the drying chamber of the drying cylinder (4), and an output of the water gas pipe (12) stretches into the upper portion of the incineration chamber of the incinerator (1).

3. The industrial sludge harmless treatment incinerator according to claim 1, wherein the waste heat recovery mechanism comprises a smoke exhaust pipe (13), a heat exchange cylinder (14) and an exchanger (15), the input end of the smoke exhaust pipe (13) is communicated with the upper part of an incineration chamber of the incinerator (1), the heat exchange cylinder (14) is arranged at the output end of the smoke exhaust pipe (13), the exchanger (15) is arranged in the heat exchange cylinder (14), the air inlet of the exchanger (15) is connected with the air outlet of the air blower (3) through an air pipe, and the heat-resistant pipe network (5) is connected with the output end of the exchanger (15) through a middle air pipe.

4. An industrial sludge innocent treatment incinerator as claimed in claim 3 further comprising a hot air compartment (16), wherein the hot air compartment (16) is mounted at the bottom of the incineration chamber of the incinerator (1), the input end of the hot air compartment (16) is connected with the output end of the exchanger (15) through a first air pipe, the hot air compartment (16) is provided with a plurality of ash leakage holes penetrating up and down, and the upper end face of the hot air compartment (16) is provided with a plurality of air blowing holes.

5. An industrial sludge innocent treatment incinerator as claimed in claim 3 further comprising a second air duct (17), wherein the input end of the second air duct (17) passes through the outer wall of the heat exchange tube (14) and is connected with the input end of the exchanger (15), and the output end of the second air duct (17) extends into the middle upper part of the incineration chamber of the incinerator (1).

6. An industrial sludge innocent treatment incinerator as claimed in claim 1, 4 or 5 further comprising a plurality of regulating valves (18), wherein the stroke pipe, the first air pipe and the second air pipe (17) are provided with regulating valves (18), and wherein the plurality of regulating valves (18) are located between the incinerator (1) and the exchanger (15).

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