CN209495569U - A kind of pot type carbon calciner - Google Patents

Abstract

The utility model belongs to a kind of pot type carbon calciner of carbon technical field of processing equipment, including loading hopper, tank body, quirk, flue, fugitive constituent road, preheated air road, quirk is equipped with eight layers altogether from top to bottom, it further include denitration spray gun, it is insulated feeder pipe and rolls lag cooler, denitration spray gun includes long spray gun and short spray gun, long spray gun is located at the connectivity part of intermediate six layers of quirk adjacent layer, short spray gun is located at flue outlet, insulation feeder pipe is the carbon steel pipe that insulation cast bed of material is covered on inner wall, insulation feeder pipe is connected to the outlet end of tank body, the exhaust end of insulation feeder pipe is connected with barrel slag cooler, one end of every layer of quirk is connected with fugitive constituent road, the other end is equipped with hot-air spout, hot-air spout is connected with preheated air road, combustion-supporting spray gun is additionally provided in first floor quirk.The utility model has the beneficial effects that denitration efficiency is high, feeder pipe maintenance is few, realizes safe and stable, continuous pulp discharge, improves device working efficiency.

Description

A kind of pot type carbon calciner

Technical field

The utility model belongs to carbon technical field of processing equipment more particularly to a kind of pot type carbon calciner.

Background technique

The main calciner of calcination process has can-type calcine furnace and two kinds of rotary kiln in prebaked anode production, wherein pot type The advantages that calcining furnace is with its quality stabilization, higher petroleum coke casting yield, few Maintenance and Repair amount, is creating prebaked anode in recent years That selects in manufacturing enterprise is more and more.

Can-type calcine furnace as the capital equipment calcined to petroleum coke, calcination temperature generally at 1300 DEG C or so, because This in discharging needs that the temperature of calcined coke lowers by a cooling device.Common cooling device is usually one Water jacket, it is welded by double-layer plate, and inner layer steel plate surrounds the channel of a high-temperature material, inner layer steel plate and outer layer plate it Between form closed interlayer space.When high-temperature material is flowed through from the channel of water jacket, heat therein is passed by inner layer steel plate It leads to the recirculated water in interlayer space, to play the role of cooling material.But such structure exist when in use it is following Disadvantage: 1) inner layer steel plate and outer layer plate use integral solder, and temperature when entering water jacket due to high-temperature material is about 1100 DEG C~1200 DEG C between, it is easy to so that inner layer steel plate is generated thermal deformation and so as to cause weld cracking cause leak, influence product Quality.2) cooling temperature is uneven, and the high-temperature material heat conduction velocity close to inner layer steel plate is very fast, and temperature is lower, is in center The high-temperature material at the position namely high-temperature material heat conduction velocity far from inner layer steel plate is slower, and temperature is higher.It is cooling from material Angle sees that temperature unevenly will affect product quality；In terms of the recycling angle of heat, a large amount of energy is with material Discharge wastes；From equipment using ground angle in terms of, since partial material temperature is excessively high, shorten blow-off valve use the longevity Life, increases the failure rate of discharge system, reduces the working efficiency of device, while nitrogen oxygen in the high-temperature flue gas of calcining furnace discharge Compound concentration is higher, and conventional denitrification apparatus only installs denitration spray gun additional at flue outlet, and denitration efficiency is low, reducing agent consumption Greatly.

Utility model content

In order to solve the problems, such as to mention in background technique, the utility model provides a kind of pot type carbon calciner, including Loading hopper, tank body, quirk, flue, fugitive constituent road, preheated air road, quirk are equipped with eight layers altogether from top to bottom, further include denitration spray Rifle, insulation feeder pipe and rolling lag cooler, denitration spray gun include long spray gun and short spray gun, and long spray gun is located at intermediate six layers of quirk phase The connectivity part of adjacent bed, short spray gun are located at flue outlet, and insulation feeder pipe is the carbon steel pipe that insulation cast bed of material is covered on inner wall, Insulation feeder pipe is connected to the outlet end of tank body, and the exhaust end for being insulated feeder pipe is connected with barrel slag cooler, every layer of quirk One end is connected with fugitive constituent road, and the other end is equipped with hot-air spout, and hot-air spout is connected with preheated air road, first floor fire Combustion-supporting spray gun is additionally provided in road.

Above-mentioned pot type carbon calciner sets hot-air spout in the opposite end in the fugitive constituent road of every layer of quirk, facilitates Hot-air is mixed with liquidating for fuel, improves efficiency of combustion, improves the uniformity of Temperature Distribution in flue, reduces nitrogen oxidation produce Long spray gun is arranged in the connectivity part of adjacent quirk layer in raw rate, is advantageously implemented being sufficiently mixed for denitrification reducing agent and hot fume, Denitration efficiency is improved, with the conventional water cooling sleeve of insulation feeder pipe substitution, the failure rate of device is reduced, in the case where being insulated feeder pipe End connection barrel slag cooler, barrel slag cooler are set using the mature roller slag cooler of circulating fluid-bed boiler slagging Standby, heat exchange efficiency is high, can continuous and steady operation, be conducive to the operation stability and the safety that improve pot type carbon calciner, Device working efficiency is improved, while being also beneficial to improve the pre- efficiency of heating- utilization of discharge.

Preferably, the horizontal V-arrangement pin with vertical interlaced arrangement is set on the inner wall of carbon steel pipe, is connected with cylinder shape on pin Hexsteel, insulation castable, which is laid on pin and hexsteel, forms insulation cast bed of material, improves the stabilization of insulation castable Property, make insulation castable be not easy to peel off, be conducive to extend the service life of insulation feeder pipe, improves the reliability of device.

Preferably, it is insulated on the outside of feeder pipe and is additionally provided with outer heat insulation layer, improve the safety of device, and reduce heat dissipation damage It loses.

Preferably, insulation feeder pipe is equipped with high temperature resistant gate valve, standard-sized sheet under normal condition, when barrel slag cooler breaks down When needing to safeguard, high temperature resistant gate valve can be closed, facilitates the repair and maintenance of barrel slag cooler.

Preferably, it is equipped with silicon carbide protective case at the spray head of denitration spray gun, is conducive to extend spray gun service life, guarantees cigarette Gas denitration efficiency.

The working principle of the utility model is, by setting hot-air spout in the opposite end in the fugitive constituent road of every layer of quirk, Facilitate hot-air to mix with liquidating for fuel, improve efficiency of combustion, and improve thermo parameters method, reduces nitrogen oxides and generate speed Rate inhibits the yield of nitrogen oxides from source, the operating cost of external denitrating system is reduced, to be insulated feeder pipe and roller The conventional water cooling sleeve of lag cooler substitution, improves the safety and stability of blanking, is conducive to the working efficiency for improving device, And further improve the pre- efficiency of heating- utilization of discharge.

The utility model further includes the other components that can make pot type carbon calciner normal use, is the normal of this field Advise technological means.In addition, the device limited or component is not added to be all made of the conventional technical means in this field in the utility model.

The utility model has the beneficial effects that denitration efficiency is high, feeder pipe maintenance is few, realizes safe and stable, continuous row Material, improves device working efficiency.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the overall structure diagram of the utility model pot type carbon calciner.

In figure: 1. loading hoppers, 2. combustion-supporting spray guns, 3. hot-air spouts, 4. long spray guns, 5. short spray guns, 6. flues, 7. absolutely Hot feeder pipe, 8. barrel slag coolers, 9. high temperature resistant gate valves, 10. preheated air roads, 11. quirks, 12. fugitive constituent roads.

Specific embodiment

Below with reference in the utility model embodiment attached drawing and specific embodiment to the utility model carry out clearly Description, description here is used merely to explain the utility model, but is not intended to limit the scope of the present invention.Based on this reality With the embodiment in novel, those skilled in the art's every other implementation obtained without making creative work Example, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of this utility model.

Embodiment

As shown in Figure 1, the utility model provides a kind of pot type carbon calciner, including loading hopper 1, tank body, quirk 11, Flue 6, fugitive constituent road 12, preheated air road 10, quirk 11 are equipped with eight layers altogether from top to bottom, further include under denitration spray gun, insulation Expects pipe 7 and rolling lag cooler 8, denitration spray gun include long spray gun 4 and short spray gun 5, and it is adjacent that long spray gun 4 is located at intermediate six layers of quirk 11 The connectivity part of layer, short spray gun 5 are located at 6 exit of flue, and insulation feeder pipe 7 is the carbon steel that insulation cast bed of material is covered on inner wall Pipe, insulation feeder pipe 7 are connected to the outlet end of tank body, and the exhaust end of insulation feeder pipe 7 is connected with barrel slag cooler 8, and every layer One end of quirk 11 is connected with fugitive constituent road 12, and the other end is equipped with hot-air spout 3, hot-air spout 4 and preheated air road 10 are connected, and combustion-supporting spray gun 2 is additionally provided in first floor quirk 11.

Above-mentioned pot type carbon calciner sets hot-air spout 3 in the opposite end in the fugitive constituent road 12 of every layer of quirk 11, has Help hot-air to mix with liquidating for fuel, improve efficiency of combustion, improve the uniformity of Temperature Distribution in flue, reduces nitrogen oxidation Object generates rate, and long spray gun 4 is arranged in the connectivity part of adjacent quirk layer, is advantageously implemented the abundant of denitrification reducing agent and hot fume Mixing improves denitration efficiency, substitutes conventional water cooling sleeve with insulation feeder pipe 7, reduces the failure rate of device, in insulation blanking The lower end of pipe 7 connects barrel slag cooler 8, and barrel slag cooler 8 uses the mature roller of circulating fluid-bed boiler slagging Cold slag equipment, heat exchange efficiency are high, can continuous and steady operation, be conducive to the operation stability and peace that improve pot type carbon calciner Quan Xing improves device working efficiency, while being also beneficial to improve the pre- efficiency of heating- utilization of discharge.

The horizontal V-arrangement pin with vertical interlaced arrangement is set on the inner wall of the carbon steel pipe, is connected with cylinder shape tortoise on pin First net, insulation castable, which is laid on pin and hexsteel, forms insulation cast bed of material, improves the stability of insulation castable, Make insulation castable be not easy to peel off, is conducive to extend the service life of insulation feeder pipe 7, improves the reliability of device.

The outside of the insulation feeder pipe 7 is additionally provided with outer heat insulation layer, improves the safety of device, and reduces heat dissipation damage It loses.

The insulation feeder pipe 7 is equipped with high temperature resistant gate valve 9, standard-sized sheet under normal condition, when barrel slag cooler 8 breaks down When needing to safeguard, high temperature resistant gate valve 9 can be closed, facilitates the repair and maintenance of barrel slag cooler 8.

It is equipped with silicon carbide protective case at the spray head of the denitration spray gun, is conducive to extend spray gun service life, guarantees flue gas Denitration efficiency.

The working principle of the utility model is, by setting hot-air spray in the opposite end in the fugitive constituent road 12 of every layer of quirk 11 Mouth 3, facilitates hot-air and mixes with liquidating for fuel, improves efficiency of combustion, and improve thermo parameters method, reduces nitrogen oxidation produce Raw rate, inhibits the yield of nitrogen oxides from source, the operating cost of external denitrating system is reduced, to be insulated feeder pipe 7 Conventional water cooling sleeve is substituted with barrel slag cooler 8, improves the safety and stability of blanking, is conducive to the work for improving device Make efficiency, and further improves the pre- efficiency of heating- utilization of discharge.

The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and It is also not necessarily limited to disclosed embodiment.Without departing from the scope and spirit of illustrated embodiment, this technology is led Many modifications and changes are obvious for the those of ordinary skill in domain.

Claims (5)

1. a kind of pot type carbon calciner, including loading hopper, tank body, quirk, flue, fugitive constituent road, preheated air road, quirk is certainly Top to bottm is equipped with eight layers altogether, it is characterised in that: further includes denitration spray gun, insulation feeder pipe and rolling lag cooler, denitration spray gun packet Long spray gun and short spray gun are included, long spray gun is located at the connectivity part of intermediate six layers of quirk adjacent layer, and short spray gun is located at flue outlet, absolutely Hot feeder pipe is the carbon steel pipe that insulation cast bed of material is covered on inner wall, and insulation feeder pipe is connected to the outlet end of tank body, under insulation The exhaust end of expects pipe is connected with barrel slag cooler, and one end of every layer of quirk is connected with fugitive constituent road, and it is empty that the other end is equipped with heat Gas blowout mouth, hot-air spout are connected with preheated air road, and combustion-supporting spray gun is additionally provided in first floor quirk.

2. pot type carbon calciner according to claim 1, it is characterised in that: set on the inner wall of carbon steel pipe it is horizontal with it is vertical The V-arrangement pin of interlaced arrangement, is connected with cylinder shape hexsteel on pin, and insulation castable is laid on pin and hexsteel and is formed It is insulated cast bed of material.

3. pot type carbon calciner according to claim 1, it is characterised in that: be insulated on the outside of feeder pipe and be additionally provided with outer guarantor Warm layer.

4. pot type carbon calciner according to claim 1, it is characterised in that: insulation feeder pipe is equipped with high temperature resistant lock Valve.

5. pot type carbon calciner according to claim 1, it is characterised in that: be equipped with silicon carbide at the spray head of denitration spray gun Protective case.