CN210065650U - Vertical pyrolysis furnace - Google Patents

Abstract

The utility model relates to a vertical pyrolysis furnace, including combustor, furnace body, support, combustor and furnace body are installed to the support upside, combustor and furnace body connection, the furnace body outside parcel has the thermal insulation layer, the furnace body is collected pipeline, flue, combustion chamber, lower thermal insulation by heat-resisting fan, feed cylinder, quick uncapping, goes up the thermal insulation lid, cooling dust removal pipeline, mist and constitutes, the inside combustion chamber that is equipped with of furnace body, the utility model discloses safe, reliable, the equipment investment is few, and the running cost is low, suitable industrialization popularization and application. The utility model is used for coal tar sediment and dirty oil sludge innocent treatment, the utility model discloses a design of combustion chamber makes the material heat up the combustion chamber to 450- -600 degrees centigrade by the combustor under the oxygen-free state, and hydrocarbon pollutant wherein volatilizes fast to become oil vapor through the atmospheric evaporation conversion, through the mixed gas collection pipeline with the tail gas that contains volatile oil vapor through condensation, filtration and absorbent process recovery coal tar pyrolysis oil.

Description

Vertical pyrolysis furnace

Technical Field

The utility model relates to a coal chemical industry field especially relates to the vertical pyrolysis oven of innocent treatment equipment of coal tar sediment and oil field oil recovery district oil sludge.

Background

In the field of coal chemical industry, 90 million tons of coal tar residues are in urgent need of treatment every year in China. The crude oil yield is about 1.9 million tons per year in China, and the produced oil sludge is about 567 million tons. According to the domestic environmental protection law, the oil-containing wastes need to be comprehensively disposed in coal chemical plants or oil fields, or the oil-containing wastes are delivered to enterprises with dangerous waste qualities for high-price treatment as HW11 (coal tar residues) or HW08 (oil sludge) dangerous wastes. At present, due to the lack of processing technology with feasibility and economy, over 80 percent of coal tar residues and oil field oil sludge are not subjected to final comprehensive treatment, and partial reduction treatment can be realized at most. The reason is that no thorough, economic and reliable processing technology exists.

SUMMERY OF THE UTILITY MODEL

A main object of the utility model is to provide a vertical pyrolysis oven, its characterized in that includes combustor, furnace body, support, combustor and furnace body are installed to the support upside, combustor and furnace body connection, the furnace body outside parcel has the thermal insulation layer, the furnace body comprises heat-resisting fan, feed cylinder, quick uncap, goes up heat preservation lid, cooling dust removal pipeline, mist collection pipeline, flue, combustion chamber, lower heat preservation lid, the inside combustion chamber that is equipped with of furnace body, the feed inlet has been seted up to the furnace body upside, and the discharge gate has been seted up to the downside, the feed inlet is located the combustion chamber upside, and the discharge gate is located the combustion chamber downside, feed inlet department installs the heat preservation lid, discharge gate department installs lower heat preservation lid, install the feed cylinder in the combustion chamber, the quick uncap is installed respectively at both ends about the feed cylinder, the feed cylinder is with, Discharge gate, combustion chamber through connection, the feed cylinder upside respectively with cooling dust removal pipeline, mist collection tube coupling, combustion chamber one side is connected with combustor, heat-resisting fan respectively, heat-resisting fan is connected with the combustor and is located the combustor upside, combustion chamber opposite side and flue are connected.

The cooling and dedusting pipeline is composed of an outer pipeline, an inner pipeline and a filtering structure, the inner pipeline is wrapped inside the outer pipeline, a water inlet and a water outlet are formed in the upper side of the outer pipeline, the water inlet is connected with a water pump through a water pipeline, the water outlet is connected with a recovery pond through a water pipeline, the filtering structure is installed at one end of the inner pipeline, the filtering structure is connected with the recovery pipeline, and the filtering structure is of a detachable structure.

The mixed gas collecting pipeline is connected with the air suction device.

The utility model has the advantages that: the utility model discloses safe, reliable, equipment investment is few, and the running cost is low, and throughput is strong, suitable industrialization popularization and application. The utility model is used for harmless treatment of coal tar residue and oil sludge, the utility model discloses a design of combustion chamber makes the material in the anoxybiotic state by the combustor with the combustion chamber intensification to 450-600 ℃, hydrocarbon pollutant among them volatilizes fast to through atmospheric evaporation conversion become oil vapor, through the process recovery coal tar/pyrolysis oil of condensation, filtration and absorption of mixed gas collection pipeline with the tail gas that contains volatile oil vapor; the purified tail gas is completely recovered through a cooling dust removal pipeline, compressed and stored to be used as supplementary energy supply of a heating system, and 100% tail gas recycling is realized. Meanwhile, through a series of comprehensive reactions such as pyrolysis and the like, macromolecular hydrocarbons such as asphalt, wax, colloid and the like and other refractory organic matters and the like are pyrolyzed and carbonized, so that the aim of quickly reducing, harmlessly eliminating toxic and harmful substances to the maximum is achieved, and the pyrolyzed materials are quickly cleaned by a special discharging mechanism through temperature reduction and dust removal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure schematic diagram of the cooling and dedusting pipeline of the utility model.

Fig. 3 is a sectional view of the present invention.

In the figure: the device comprises a burner 1, a furnace body 2, a support 3, a heat-resistant fan 2-1, a charging barrel 2-2, a quick-opening cover 2-3, an upper heat-insulating cover 2-4, a cooling and dedusting pipeline 2-5, a mixed gas collecting pipeline 2-6, a flue 2-7, a combustion chamber 2-8, a lower heat-insulating cover 2-9, materials 2-10, a heat-insulating layer 2-11, an outer pipeline 2-51, an inner pipeline 2-52, a filtering structure 2-53, a water inlet 2-54 and a water outlet 2-55.

Detailed Description

Example 1

The utility model relates to a vertical pyrolysis furnace, which comprises a burner 1, a furnace body 2 and a bracket 3, wherein the burner 1 and the furnace body 2 are arranged on the upper side of the bracket 3, the burner 1 is connected with the furnace body 2, the outer side of the furnace body 2 is wrapped with a heat-insulating layer 2-11, the furnace body 2 consists of a heat-resisting fan 2-1, a charging barrel 2-2, a quick-opening cover 2-3, an upper heat-insulating cover 2-4, a cooling and dedusting pipeline 2-5, a mixed gas collecting pipeline 2-6, a flue 2-7, a combustion chamber 2-8 and a lower heat-insulating cover 2-9, the combustion chamber 2-8 is arranged inside the furnace body 2, a feed inlet is arranged on the upper side of the furnace body 2, a discharge outlet is arranged on the lower side of the furnace body, the feed inlet is arranged on the upper side of the combustion chamber 2-8, the discharge outlet is, the device is characterized in that a lower heat-insulation cover 2-9 is installed at the discharge port, a charging barrel 2-2 is installed in a combustion chamber 2-8, a quick-opening cover 2-3 is installed at the upper end and the lower end of the charging barrel 2-2 respectively, the charging barrel 2-2 is used for connecting the feed port, the discharge port and the combustion chamber 2-8 in a penetrating manner, the upper side of the charging barrel 2-2 is connected with a cooling and dedusting pipeline 2-5 and a mixed gas collecting pipeline 2-6 respectively, one side of the combustion chamber 2-8 is connected with a combustor 1 and a heat-resistant fan 2-1 respectively, the heat-resistant fan 2-1 is connected with the combustor 1 and is located on the upper side of the combustor 1, and the other side of the. The cooling and dedusting pipeline 2-5 comprises an outer pipeline 2-51, an inner pipeline 2-52 and a filtering structure 2-53, the inner pipeline 2-52 is wrapped inside the outer pipeline 2-51, a water inlet 2-54 and a water outlet 2-55 are formed in the upper side of the outer pipeline 2-51, the water inlet 2-54 is connected with a water pump through a water pipeline, the water outlet 2-55 is connected with a recovery pond through a water pipeline, the filtering structure 2-53 is installed at one end of the inner pipeline 2-52, the filtering structure 2-53 is connected with a recovery pipeline, and the filtering structure is a detachable structure. The mixed gas collecting pipeline 2-6 is connected with an air suction device.

Example 2

When the coal tar residue or the dirty oil sludge is used as the material 2-10, a certain amount of the coal tar residue or the dirty oil sludge is loaded into the charging barrel 2-2, the quick-opening cover 2-3 is closed, and the coal tar residue or the dirty oil sludge is safely heated in an anaerobic state because the high-temperature resistant sealing ring is arranged between the quick-opening cover 2-3 and the charging barrel 2-2. Gas containing light impurities in gas generated in the pyrolysis process of coal tar residues or dirty oil sludge is lighter in weight, rises upwards and is discharged to the outside through a cooling and dedusting pipeline 2-5 on the upper side, cold water is filled between an outer pipeline 2-51 and an inner pipeline 2-52 when the cooling and dedusting pipeline 2-5 is discharged, the cold water cools flue gas of the pipeline, the flue gas is filtered through a filtering structure 2-53 while being cooled, the filtered gas enters a recovery pipeline for recovery, meanwhile, the heavier mixed gas is on the lower side, the mixed gas on the lower side is transmitted to post-processing equipment through a mixed gas collecting pipeline 2-6, and the post-processing equipment recovers coal tar/pyrolysis oil from tail gas containing volatile oil steam through the processes of condensation, filtration and adsorption; the purified tail gas is completely recovered, compressed and stored, and is used as supplementary energy supply of the combustor 1, so that 100% of tail gas is recycled, and the running cost is reduced. The combustor 1 can automatically adjust the heating time according to the temperature in the combustion chambers 2-8, so that the running cost is saved to the maximum extent while the coal tar residue or the dirty oil sludge is fully and thoroughly pyrolyzed. The heat-resistant fan 2-1 can ensure that the temperature of the combustion chamber 2-8 is consistent up and down, and the temperature of the coal tar residue or the dirty oil sludge is rapidly raised, so that the pyrolysis time is reduced, and the efficiency is improved. The cooling and dust removing pipeline 2-5 can rapidly cool the pyrolyzed material 2-10 and rapidly clean the discharging barrel 2-2 by a special discharging mechanism, thereby further improving the efficiency of the utility model.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. A vertical pyrolysis furnace is characterized by comprising a burner, a furnace body and a support, wherein the burner and the furnace body are installed on the upper side of the support and connected with each other, a heat-insulating layer is wrapped on the outer side of the furnace body, the furnace body consists of a heat-resisting fan, a charging barrel, a quick-opening cover, an upper heat-insulating cover, a cooling and dust-removing pipeline, a mixed gas collecting pipeline, a flue, a combustion chamber and a lower heat-insulating cover, the combustion chamber is arranged inside the furnace body, a feeding port is formed in the upper side of the furnace body, a discharging port is formed in the lower side of the furnace body, the feeding port is located in the upper side of the combustion chamber, the discharging port is located in the lower side of the combustion chamber, the upper heat-insulating cover is installed at the position of the feeding port, the lower heat-insulating cover, the feed cylinder upside collects the tube coupling with cooling dust removal pipeline, mist respectively, combustion chamber one side is connected with combustor, heat-resisting fan respectively, heat-resisting fan is connected with the combustor and is located the combustor upside, the combustion chamber opposite side is connected with the flue.

2. The vertical pyrolysis furnace of claim 1, wherein the cooling and dedusting pipeline comprises an outer pipeline, an inner pipeline, and a filtering structure, the inner pipeline is wrapped inside the outer pipeline, the upper side of the outer pipeline is provided with a water inlet and a water outlet, the water inlet is connected with a water pump through a water pipeline, the water outlet is connected with the recovery tank through a water pipeline, one end of the inner pipeline is provided with the filtering structure, the filtering structure is connected with the recovery pipeline, and the filtering structure is a detachable structure.

3. A vertical pyrolysis furnace according to claim 1 wherein the mixed gas collecting line is connected to a suction device.

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