CN218120650U - Efficient cooling continuous cracking device - Google Patents

Abstract

The utility model relates to a high-efficient refrigerated continuous type cracker, including the pyrolysis reaction stove, the entrance point of pyrolysis reaction stove is equipped with the spiral feeder hopper, the first discharge end of pyrolysis reaction stove communicates flue spray column, the second discharge end of pyrolysis reaction stove communicates double helix cooler, box condenser, the discharge end of flue spray column, double helix cooler, box condenser all communicates with the cooling tower, double helix cooler includes the casing, the inboard of casing is equipped with two augers side by side, the auger includes the pivot of rotation installation on the casing, the surface of pivot is equipped with the blade, two the spiral direction of blade is opposite, two the blade interlock each other, the center of pivot has seted up the cooling chamber, the both ends in cooling chamber communicate water supply installation and drainage device respectively; the utility model relates to a high-efficient refrigerated continuous type cracker has the advantage that improves cooling efficiency, saves occupation of land space.

Description

Efficient cooling continuous cracking device

Technical Field

The utility model relates to a cracker equipment technical field especially relates to a high-efficient refrigerated continuous type cracker.

Background

In the operation process of the existing continuous cracking equipment, the generated waste is continuously discharged. Because the waste material temperature is higher, can only discharge safely after need cooling down, consequently the waste material still need pass through cooling device when the furnace body is being gone out. In the prior art, the most commonly used is a water-cooled screw conveyor, which cools and cools waste materials while conveying the waste materials for discharging. Because the waste material temperature is higher, present single water-cooled screw conveyer can not satisfy the cooling demand, so need many water-cooled screw conveyers to establish ties and carry out continuous cooling, could make the discharged waste material reach the predetermined temperature requirement. Therefore, the waste material cooling water-cooled screw conveyer combination used on the cracking equipment has longer length and larger occupied space, and an efficient cooling device is needed to reduce the occupied space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a high-efficient refrigerated continuous type cracker to solve the great problem of waste material cooling device occupation space that uses on the present cracking equipment.

The utility model discloses a realize through following technical scheme: the utility model provides a high-efficient refrigerated continuous type cracker, includes the pyrolysis reaction stove, the entrance point of pyrolysis reaction stove is equipped with the spiral feeder hopper, the first discharge end intercommunication flue spray column of pyrolysis reaction stove, the second discharge end intercommunication double helix cooler, the box condenser of pyrolysis reaction stove, the discharge end of flue spray column, double helix cooler, box condenser all communicates with the cooling tower, the double helix cooler includes the casing, the inboard of casing is equipped with two augers side by side, the auger is including rotating the pivot of installing on the casing, the surface of pivot is equipped with the blade, two the spiral opposite direction of blade, two the mutual interlock of blade, the cooling chamber has been seted up at the center of pivot, the both ends in cooling chamber communicate respectively has water supply installation and drainage device.

Further, the cross section of each blade is triangular, each blade is of a hollow structure, and the interior of each blade is communicated with the cooling cavity.

Furthermore, an anti-abrasion blocking sheet is arranged between the blade and the shell and fixed at the edge of the blade.

Furthermore, the anti-abrasion baffle plate is of a spiral structure with the spiral direction being the same as that of the blades.

Further, the shell is of a hollow structure, and cooling liquid is filled in the shell.

Furthermore, a water inlet and a water outlet are respectively formed in the two ends of the shell, the water supply device is communicated with the water inlet, and the drainage device is communicated with the water outlet.

The beneficial effects of the utility model reside in that: the utility model provides a high-efficient refrigerated continuous type cracker, the waste residue of discharge in the pyrolysis reaction stove, after getting into double helix cooler, moves under the stirring effect of two augers of double helix cooler to cool off from the inside of waste residue simultaneously, compare in two traditional water-cooled screw conveyer side by side and save space.

Drawings

FIG. 1 is a schematic top view of the overall structure of example 1;

FIG. 2 is a schematic view of the internal structure of a twin screw cooler according to example 1;

FIG. 3 is a sectional view of a blade of embodiment 1 in a side view;

fig. 4 is a schematic sectional view of the wear prevention flap of embodiment 1 in the front view direction.

Wherein: 1. a spiral feed hopper; 2. a cracking reaction furnace; 3. a flue spray tower; 4. a double helix cooler; 5. a box-type condenser; 6. a cooling tower; 7. a housing; 8. a rotating shaft; 9. a blade; 10. a wear-resistant baffle plate; 11. and a cooling cavity.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, a high-efficiency cooling continuous cracking device comprises a cracking reaction furnace 2, wherein the cracking reaction furnace 2 is a core device of the device, raw materials are heated in the cracking reaction furnace 2 for cracking reaction, a spiral feed hopper 1 is installed at an inlet end of the cracking reaction furnace 2, and the raw materials are added into the cracking reaction furnace 2 through the spiral feed hopper 1;

the first discharge end of the cracking reaction furnace 2 is communicated with the flue spray tower 3, the exhaust tail gas with smoke dust in the cracking reaction furnace 2 is sprayed and dedusted by the flue spray tower 3, sulfur is removed, harmful gas is removed, the second discharge end of the cracking reaction furnace 2 is communicated with the double-helix cooler 4, the box-type condenser 5, waste and waste residues are discharged through the double-helix cooler 4, oil gas enters the box-type condenser 5 for cooling and condensation, oil recovery is carried out, the flue spray tower 3, the double-helix cooler 4, the discharge end of the box-type condenser 5 is communicated with the cooling tower 6, the tail gas containing water vapor, oil and waste residues enter the cooling tower 6 respectively, the oil and waste residues are discharged after moisture is removed, wherein the tail gas can be discharged into the atmosphere, the oil and waste residues can be recovered, and oil is produced through continuous reaction.

The double-helix cooler 4 comprises a shell 7, the shell 7 is of a hollow structure, cooling liquid is filled in the shell 7, an interlayer is designed in the shell 7, cooling water is filled in the interlayer to serve as the cooling liquid, and the cooling liquid is used for cooling conveyed waste materials from the outer side.

The water inlet and the water outlet have been seted up respectively to the both ends of casing 7, and water supply installation and water inlet intercommunication, drainage device and delivery port intercommunication, the cooling water that flows can effectively improve cooling efficiency.

Two augers side by side are installed to casing 7's inboard, the auger stirs the waste material upset and gos forward, the auger is including rotating pivot 8 of installing on casing 7, the skin weld of pivot 8 has blade 9, two blade 9's spiral opposite direction, two blade 9 interlock each other, two blade 9 of interlock each other, the conveying efficiency who makes double helix cooler 4 is greater than single ordinary screw conveyer, the volume is less than two traditional screw conveyer simultaneously, thereby reach and improve the effect of saving space, cooling chamber 11 has been seted up at pivot 8's center, the both ends of cooling chamber 11 communicate respectively has water supply installation and drainage device, water supply installation and drainage device make the cooling water in the cooling chamber 11 flow, cool off from the inboard of waste material, improve the cooling effect.

The cross-section of blade 9 is triangle-shaped, and blade 9 is hollow structure, and the inside and the cooling chamber 11 intercommunication of blade 9 make the cooling water in the cooling chamber 11 be full of inside blade 9 to improve in the cooling chamber 11 and the area of contact between the waste material, thereby further improve cooling efficiency.

Be equipped with abrasionproof separation blade 10 between blade 9 and the casing 7, abrasionproof separation blade 10 is fixed at the edge of blade 9, reduces the friction risk between the inner wall of blade 9 and casing 7, improves the life of blade 9.

The anti-abrasion separation blade 10 is of a spiral structure with the same spiral direction as the blade 9, integrity of the blade 9 and the anti-abrasion separation blade 10 is improved, and the condition that the balance stability is influenced by the structural asymmetry of the blade 9 is prevented.

The working principle is as follows: during the use, the waste material enters double helix cooler 4 afterwards, and the auger drives the waste material and gos forward, and simultaneously, the heat of waste material is taken away from the inside of waste material to the cooling water in pivot 8 and the blade 9, and the heat of waste material is taken away from the outside of waste material to casing 7, compares in traditional water-cooled screw conveyer cooling efficiency higher.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a high-efficient refrigerated continuous type cracker, includes pyrolysis reaction furnace (2), the entrance point of pyrolysis reaction furnace (2) is equipped with spiral feeder hopper (1), first discharge end intercommunication flue spray column (3) of pyrolysis reaction furnace (2), the second discharge end intercommunication double helix cooler (4), box condenser (5) of pyrolysis reaction furnace (2), the discharge end of flue spray column (3), double helix cooler (4), box condenser (5) all communicates with cooling tower (6), a serial communication port, double helix cooler (4) are including casing (7), the inboard of casing (7) is equipped with two augers side by side, the auger is including rotating pivot (8) of installing on casing (7), the surface of pivot (8) is equipped with blade (9), two the spiral opposite direction of blade (9), two blade (9) interlock each other, cooling chamber (11) have been seted up at the center of pivot (8), the both ends of cooling chamber (11) communicate respectively have water supply installation and drainage device.

2. A high efficiency cooled continuous type pyrolysis apparatus according to claim 1, wherein the cross section of the vane (9) is triangular, the vane (9) has a hollow structure, and the inside of the vane (9) is communicated with the cooling chamber (11).

3. An efficient cooling continuous cracking unit according to claim 1, characterized in that an anti-abrasion baffle (10) is arranged between the blades (9) and the casing (7), and the anti-abrasion baffle (10) is fixed at the edge of the blades (9).

4. A high efficiency cooled continuous pyrolysis apparatus according to claim 3 wherein the wear plate (10) is a helical structure having the same helical direction as the vanes (9).

5. A high efficiency cooled continuous pyrolysis apparatus according to claim 1, wherein the housing (7) is hollow, and the interior of the housing (7) is filled with a cooling liquid.

6. An efficient cooling continuous cracking device as claimed in claim 5, wherein the shell (7) is provided with a water inlet and a water outlet at two ends, the water supply device is communicated with the water inlet, and the water discharge device is communicated with the water outlet.

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