CN216639235U

CN216639235U - Spiral double-conveying-passage horizontal oil sludge treatment equipment

Info

Publication number: CN216639235U
Application number: CN202123366926.7U
Authority: CN
Inventors: 段文轩; 刘永生; 刘树青
Original assignee: Shandong Hexuan Environmental Protection Technology Co ltd
Current assignee: Shandong Hexuan Environmental Protection Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a spiral double-conveying-channel horizontal sludge treatment device which comprises a treatment bin and two heating channels, wherein the treatment bin, an isolation layer, the heating channels and a heat insulation layer are sequentially arranged from inside to outside, a conveying device is arranged in the treatment bin, the number of the conveying devices is two, a first overhaul port, a pressure relief port, a temperature measuring pipe orifice, a pressure measuring pipe orifice, a gasification outlet, a second overhaul port and a feed inlet are arranged at the top of the treatment bin, a solid material collecting device is arranged at the lower section of the side surface of the treatment bin and communicated with a discharge port, a steam inlet is arranged on one side of the bottom of the heating channel, and a steam outlet is arranged at the top of the heating channel. The double-helix structure of the conveying device can stir the oil sludge while conveying, so that the thermal decomposition of the oil sludge is more sufficient and the efficiency is higher; the isolation layer is also a heat conduction layer, so that medium reaction in each space can be guaranteed, and the equipment can run more safely and reliably.

Description

Spiral double-conveying-passage horizontal oil sludge treatment equipment

Technical Field

The utility model relates to a spiral double-conveying-passage horizontal oil sludge treatment device, and belongs to the technical field of oil sludge treatment.

Background

The oil sludge is waste generated in the processes of chemical crude oil processing, crude oil gathering and transportation and the like, contains a large amount of refractory, toxic and harmful substances such as aged crude oil, wax, asphaltene, bacteria, salts, acidity, corrosive substances and the like, can cause great pollution to soil, water and vegetation if directly contacted with the natural environment, can cause pollution to the atmosphere, soil and water sources after being stocked for a long time, and is classified as dangerous waste because oil-water oil-gas in the oil sludge is easy to burn or even explode when being contacted with the air; the oil sludge contains large-particle-size impurities such as large gravel and the like, and the oil sludge is easily blocked and even damaged by the large-particle-size impurities in the oil sludge when being subjected to subsequent drying and other treatments, and is listed in the solid hazardous waste series of the national hazardous waste list.

In order to solve the problem of sludge treatment, a high-efficiency sludge treatment device is needed. The oil sludge treatment can use a pyrolysis method, which is a resource treatment method, oil is separated from oil sludge and recycled, and the residual sludge reaches the emission standard or is used for the second time.

SUMMERY OF THE UTILITY MODEL

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the utility model provides a horizontal sludge treatment equipment of two transfer passages of spiral to solve above-mentioned shortcoming.

The utility model relates to a spiral double-conveying-channel horizontal oil sludge treatment device, which comprises a treatment bin and a heating channel, wherein the treatment bin is used for pyrolyzing oil sludge, the heating channel provides heat for pyrolysis reaction of the treatment bin, an isolation layer is arranged between the treatment bin and the heating channel, the isolation layer isolates the treatment bin and the heating channel into two independent chambers, a heat insulation layer is arranged on the outer side of the heating channel and prevents heat dissipation of the device, the device sequentially comprises the treatment bin, the isolation layer, the heating channel and the heat insulation layer from inside to outside, a conveying device is arranged in the treatment bin, the conveying device is provided with two pipes, the treatment bin is provided with a plurality of pipe orifices, the top of the treatment bin is provided with a first access hole, a pressure relief hole, a temperature measuring pipe orifice, a pressure measuring pipe orifice, a gasification outlet, a second access hole and a feed inlet, and the first access hole and the second access hole are respectively used for allowing access personnel to enter and exit during maintenance and provide steam during maintenance, the solid material collecting device is arranged on the lower section of the side face of the treatment bin and communicated with the discharge opening, the discharge position of the treatment bin is on the side face, the discharge opening is downward due to the solid material collecting device, the materials are convenient to collect, a steam inlet is formed in one side of the bottom of the heating channel, and a steam outlet is formed in the top of the heating channel.

Preferably, be equipped with a plurality of double helix blade on the conveyor, double helix blade can be effectively carry the material to the other end from one end fast, can play the stirring effect simultaneously, makes the pyrolysis more abundant.

Preferably, the heating channel wraps up in the storehouse outside of handling, is equipped with strengthening rib and heating channel backup pad in the heating channel, and strengthening rib and heating channel backup pad consolidate the heating channel, make the heating channel more firm. The heating channel at the top is provided with a heating channel left side plate, a heating channel top plate and a heating channel right side plate, and the heating channel at the side surface is composed of heating channel side plates.

Preferably, the isolation layer is a heat conduction layer, the treatment bin and the heating channel only carry out heat exchange, and the chambers are not communicated.

Preferably, the top of the treatment bin is a treatment bin top plate which is of a heat conduction structure, so that the treatment bin and the heating channel can conveniently perform heat exchange.

Preferably, the side surface of the treatment bin is a side wall of the treatment bin, and the side wall of the treatment bin is of a heat insulation structure, so that heat is prevented from being dissipated.

The working principle and the process are as follows:

the oil sludge enters the treatment bin from a feeding hole a10, under the action of a motor, the oil sludge is conveyed towards a discharging hole a9 by the conveying device, meanwhile, steam enters the heating channel from a steam inlet a8, when the steam advances towards a steam outlet a7 in the heating channel, the oil sludge is heated for the treatment bin, heat is provided for pyrolysis reaction in the treatment bin, the oil sludge is conveyed to a discharging hole a9 from a feeding hole a10 and is divided into a gasification raw material and a solid raw material through high-temperature gasification, the gasification raw material enters a water cooler from a gasification outlet a5 and then enters an oil-water separation tank, the separated oil is recovered as a product, the separated water is recovered and reused, and the solid raw material is discharged from a discharging hole a 9.

During the overhaul of the equipments, the staff can have first access hole a1 business turn over, and second access hole a6 can carry steam, makes things convenient for cleaning work.

The pressure relief opening a2 is used as a safety opening to prevent excessive pressure from damaging equipment or causing safety accidents.

Compared with the prior art, the utility model has the beneficial effects that:

the equipment is rigorous in design, the thermal decomposition of the oil sludge is sufficient and the efficiency is high, the single conveying capacity can be increased by the two conveying devices, and the double-spiral structure of the conveying devices can stir the oil sludge while conveying, so that the thermal decomposition of the oil sludge is more sufficient and the efficiency is higher; the outer layer of the equipment is provided with a heat-insulating layer which can prevent heat from being dissipated; the isolation layer is also a heat conduction layer, can keep apart processing bin and heating channel into two independent cavities when the heat transfer, makes only carry out thermal conveying between processing bin and the heating channel, and the material does not circulate each other between them, can ensure the medium reaction in the space of each other like this, makes the operation of equipment safe and reliable more.

Drawings

FIG. 1 is a sectional view of a spiral double-conveying-passage horizontal sludge treatment facility;

fig. 2 is a side view of a screw double-conveyor horizontal sludge treatment plant;

FIG. 3 is a top view of a spiral double-conveying-passage horizontal sludge treatment device;

FIG. 4 is a schematic view C-C of FIG. 2;

in the figure: 1. a heating channel; 2. a solid material collecting device; 3. a conveying device; 4. an isolation layer; 5. reinforcing ribs; 6. heating a left side plate of the channel; 7. heating a channel top plate; 8. treating the top plate of the bin; 9. heating the right side plate of the channel; 10. a heating channel support plate; 11. treating the side wall of the bin; 12. heating the channel side plate; a1, a first access hole; a2, pressure relief vent; a3, a temperature measuring pipe orifice; a4, pressure measuring tube orifice; a5, a gasification outlet; a6, a second access hole; a7, steam outlet; a8, steam inlet; a9, discharge opening; a10, feed inlet.

Detailed Description

Embodiments of the utility model are further described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, in this embodiment, the apparatus includes a treatment bin and a heating channel 1, the treatment bin is used for pyrolyzing oil sludge, the heating channel 1 provides heat for pyrolysis reaction of the treatment bin, an isolation layer 4 is disposed between the treatment bin and the heating channel 1, the isolation layer 4 is a heat conduction layer, the isolation layer 4 isolates the treatment bin and the heating channel 1 into two independent chambers, only heat is transmitted between the treatment bin and the heating channel 1, and materials are not circulated between them, so that medium reaction in respective spaces can be ensured, and the apparatus can operate more safely and reliably, a heat preservation layer is disposed on the outer side of the heating channel 1, the heat preservation layer prevents heat dissipation of the apparatus, the apparatus sequentially comprises, from inside to outside, the treatment bin, the isolation layer 4, the heating channel 1 and the heat preservation layer, a conveying device 3 is disposed in the treatment bin, and two conveying devices 3 are disposed in the treatment bin, be equipped with a plurality of double helical blade on conveyor 3, double helical blade can be effectively carry the material to the other end from one end fast, can play the stirring effect simultaneously, it is more abundant to make the pyrolysis, it is equipped with a plurality of mouths to handle the storehouse, it is equipped with first access hole a1 to handle the storehouse top, pressure release a2, temperature measurement mouth a3, pressure measurement mouth a4, gasification export a5, second access hole a6, feed inlet a10, first access hole a1, maintainer business turn over processing storehouse when second access hole a2 is used for overhauing respectively, provide steam during the maintenance, it is equipped with solid material collection device 2 to handle storehouse side hypomere, solid material collection device 2 and discharge opening a9 intercommunication, it is in the side to handle storehouse discharge position, solid material collection device 2 makes the discharge opening downwards, conveniently collect the material, heating channel 1 bottom one side is equipped with steam inlet a8, heating channel 1 top is equipped with steam outlet a 7.

Heating channel 1 wraps up in handling the storehouse outside, is equipped with strengthening rib 5 and heating channel backup pad 10 in the heating channel 1, and strengthening rib 5 and heating channel backup pad 10 consolidate heating channel 1, make heating channel 1 more firm. The heating channel 1 at the top is provided with a heating channel left side plate 6, a heating channel top plate 7 and a heating channel right side plate 9, and the heating channel 1 at the side is composed of heating channel side plates 12.

The top of the treatment bin is a treatment bin top plate 8, and the treatment bin top plate 8 is of a heat conduction structure, so that the treatment bin and the heating channel 1 can conveniently exchange heat; the side surface of the treatment bin is a side wall 11 of the treatment bin, and the side wall 11 of the treatment bin is of a heat insulation structure, so that heat is prevented from being dissipated.

Claims

1. The utility model provides a horizontal sludge treatment equipment of two transfer passages of spiral, includes treatment bin and heating channel (1), its characterized in that: handle storehouse and heating channel (1) between be equipped with isolation layer (4), heating channel (1) outside is equipped with the heat preservation, by interior outside to in proper order for handling the storehouse, isolation layer (4), heating channel (1), the heat preservation, be equipped with conveyor (3) in handling the storehouse, conveyor (3) are equipped with two, it is equipped with a plurality of mouths to handle the storehouse, it is equipped with first access hole (a1) to handle the storehouse top, pressure release mouth (a2), temperature measurement mouth (a3), pressure measurement mouth (a4), gasification export (a5), second access hole (a6), feed inlet (a10), it is equipped with solid material collection device (2) to handle storehouse side hypomere, solid material collection device (2) and discharge opening (a9) intercommunication, heating channel (1) bottom one side is equipped with steam inlet (a8), heating channel (1) top is equipped with steam outlet (a 7).

2. The spiral double-conveying-passage horizontal sludge treatment equipment according to claim 1, wherein: the conveying device (3) is provided with a plurality of double-helix blades.

3. The spiral double-conveying-passage horizontal sludge treatment equipment according to claim 1, wherein: the heating channel (1) is wrapped outside the treatment bin, and reinforcing ribs (5) and a heating channel supporting plate (10) are arranged in the heating channel (1).

4. The spiral double-conveying-passage horizontal sludge treatment equipment according to claim 1, wherein: the isolation layer (4) is a heat conduction layer.

5. The spiral double-conveying-passage horizontal sludge treatment equipment according to claim 1, wherein: the top of the treatment bin is a treatment bin top plate (8), and the treatment bin top plate (8) is of a heat conduction structure.

6. The spiral double-conveying-passage horizontal sludge treatment equipment according to claim 1, wherein: the side surface of the treatment bin is a side wall (11) of the treatment bin, and the side wall (11) of the treatment bin is of a heat insulation structure.