CN212607565U

CN212607565U - High-efficient negative pressure burning conveyer

Info

Publication number: CN212607565U
Application number: CN202021685797.0U
Authority: CN
Inventors: 王东明; 刘松涛; 孙宗发; 常文飞; 李坪; 闫迎旭
Original assignee: Henan Winner Vibrating Equipment Co Ltd
Current assignee: Henan Winner Vibrating Equipment Co Ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-02-26
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a high-efficient negative pressure burning conveyer, including preheating cell body, one-level heat exchanger, second grade heat exchanger, tertiary heat exchanger and head conveying system, preheat the top of cell body and install two nozzles that the symmetry set up, the bottom of preheating the cell body is connected with two branch pipes of discharging fume, and two branch pipes of discharging fume pass through the tee bend connecting pipe and are connected with the one-level heat exchanger, and the one end of one-level heat exchanger is connected with exhales the wind and advances the pipe, and the other end of one-level heat exchanger is connected with the second grade heat exchanger through the connecting pipe, and the second grade heat exchanger is connected with the. The utility model discloses gaseous fuel such as medium combustion air and blast furnace, converter, the mixed coal gas that participate in the burning to getting into the nozzle has carried out two preheating, improves air and gaseous fuel's temperature in the time of giving the equipment cooling, has directly improved the flame temperature of burning, has also improved the thermal efficiency of equipment.

Description

High-efficient negative pressure burning conveyer

Technical Field

The utility model relates to a conveyer technical field especially relates to a high-efficient negative pressure burning conveyer.

Background

The existing horizontal vibrating conveyor tank body adopts an interlayer structure, fresh air is introduced into an interlayer to cool the tank body, the tank body is prevented from being deformed due to overhigh temperature, simultaneously, preheated fresh air enters a burner to participate in combustion, the flame temperature is improved, the coal gas consumption is saved, the cost is reduced, but the waste flue gas extracted by the existing equipment exchanges heat with water when passing through a heat exchanger, and the heat of the waste flue gas is not fully utilized.

In the existing scheme, the heat taken away by cooling water in the flue gas heat exchanger is more, so that the heat efficiency is low, and the heat released after fuel combustion is not fully utilized.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, the embodiment of the utility model provides a high-efficient negative pressure burning conveyer has solved the heat that cooling water among the gas heater took away and has compared manyly, and the heat of fuel burning back release does not have by abundant utilization's problem.

The embodiment of the utility model provides a high-efficient negative pressure combustion conveyor, including preheating the cell body, one-level heat exchanger, second grade heat exchanger, tertiary heat exchanger and head conveying system, preheat the top of cell body and install two nozzles that the symmetry set up, preheat the bottom of cell body and be connected with two branch pipes of discharging fume, two branch pipes of discharging fume are connected with one-level heat exchanger through the tee bend connecting pipe, one end of one-level heat exchanger is connected with the exhaling air inlet pipe, the other end of one-level heat exchanger is connected with the second grade heat exchanger through the connecting pipe, the second grade heat exchanger is connected with the nozzle, the one-level heat exchanger is connected with tertiary heat exchanger through the house steward that discharges fume, head conveying system further includes motor, bottom sprag frame, electromagnetism directly spouts system, vibration conveying beam assembly, petticoat pipe, the electromagnetism directly spouts the system installation on the assembly of vibration conveying beam, and the electromagnetism directly spouts the system and is located one side of motor, and reinforced silo is installed on the assembly of vibration conveying beam, and the draught fan is connected with tertiary heat exchanger.

Furthermore, both sides of the three-level heat exchanger are respectively connected with a cooling water inlet pipe and a cooling water outlet pipe.

Furthermore, the smoke hood is provided with at least three observation windows.

Furthermore, the other end of the induced draft fan is connected with a coal gas dust removal system.

Furthermore, an L-shaped side air suction pipeline is installed on the side surface where the vibration transmission beam is assembled.

The embodiment of the utility model provides a technical scheme has following beneficial effect: the medium combustion-supporting air entering the burner to participate in combustion and gas fuels such as a blast furnace, a converter and mixed gas are subjected to double preheating, so that the temperature of the air and the fuel gas is increased while the equipment is cooled, the temperature of the combustion flame is directly increased, the thermal efficiency of the equipment is also increased, the heat generated after the fuel is combusted can be fully utilized, and the equipment can further save energy and reduce emission.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a high-efficiency negative pressure combustion conveyor in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a head conveying system in the high-efficiency negative pressure combustion conveyor according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus, and associated applications, methods, consistent with certain aspects of the invention, as detailed in the following claims.

FIG. 1 is a schematic structural diagram of a high-efficiency negative pressure combustion conveyor in an embodiment of the present invention, FIG. 2 is a schematic structural diagram of a head conveying system in a high-efficiency negative pressure combustion conveyor in an embodiment of the present invention, the high-efficiency negative pressure combustion conveyor comprises a preheating tank body 1, a primary heat exchanger 2, a secondary heat exchanger 3, a tertiary heat exchanger 4 and a head conveying system 5, six symmetrically arranged burners 6 are installed at the top of the preheating tank body, two smoke exhaust branch pipes 7 are connected to the bottom of the preheating tank body, the two smoke exhaust branch pipes are connected to the primary heat exchanger through a tee joint pipe 8, one end of the primary heat exchanger is connected to a breath inlet pipe, the other end of the primary heat exchanger is connected to the secondary heat exchanger through a connecting pipe, the secondary heat exchanger is connected to the burners, smoke extracted from the smoke exhaust branch pipes, the air after heat exchange enters the secondary heat exchanger to preheat the coal gas participating in combustion, the air enters a client dust removal system after the temperature of the air is reduced, the primary heat exchanger is connected with the tertiary heat exchanger through the smoke exhaust main pipe 9, the two sides of the tertiary heat exchanger are respectively connected with a cooling water inlet pipe and a cooling water outlet pipe, and the tertiary heat exchanger is connected with the induced draft fan and then enters the client coal gas dust removal system.

Head conveying system includes motor 51, the bottom sprag frame 52, electromagnetism directly spouts system 53, vibration transfer beam assembly 54, petticoat pipe 55 and reinforced silo 56, vibration transfer beam assembly mounting is on the bottom sprag frame, the motor is installed on the bottom sprag frame, the petticoat pipe is installed at the top of vibration transfer beam assembly, be provided with the observation window that quantity is no less than three on the petticoat pipe, so that observe the reaction condition in the petticoat pipe, electromagnetism directly spouts system mount on the vibration transfer beam assembly, electromagnetism directly spouts one side that the system is located the motor, reinforced silo is installed on vibration transfer beam assembly, head conveying system still includes draught fan 57, the one end and the tertiary heat exchanger of draught fan are connected, the other end is connected with customer's gas. The side-mounting of vibration conveying roof beam assembly has the side air suction pipe way of L form, and the electromagnetism is directly spouted the system and is connected at the mounting bracket feed end through a drive adapter by the parallel axis of different inertia drive, installs four parallel axes in the vibrator, by a pair of reverse same-speed pivoted high-speed axle, a pair of reverse same-speed pivoted low-speed axle, box, gear train, lubricating system etc. constitute, fixed 2 with the rotational frequency of two pairs of main shafts of vibrator: 1 to generate complex harmonic vibrations, enabling the vibratory conveying system to obtain differential motion characteristics, the four shafts being housed in a common housing, with a gear transmission between them ensuring synchronism.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A high-efficiency negative pressure combustion conveyor is characterized by comprising a preheating tank body, a primary heat exchanger, a secondary heat exchanger, a tertiary heat exchanger and a head conveying system, wherein two burners which are symmetrically arranged are installed at the top of the preheating tank body, the bottom of the preheating tank body is connected with two smoke exhaust branch pipes, the two smoke exhaust branch pipes are connected with the primary heat exchanger through a three-way connecting pipe, one end of the primary heat exchanger is connected with a breath inlet pipe, the other end of the primary heat exchanger is connected with the secondary heat exchanger through a connecting pipe, the secondary heat exchanger is connected with the burners, the primary heat exchanger is connected with the tertiary heat exchanger through a smoke exhaust main pipe, the head conveying system further comprises a motor, a bottom support frame, an electromagnetic direct injection system, a vibration conveying beam assembly, a smoke hood, a feeding trough and a draught, the electromagnetism directly spouts the system installation on the assembly of vibration conveying beam, and the electromagnetism directly spouts the system and is located one side of motor, and reinforced silo is installed on the assembly of vibration conveying beam, and the draught fan is connected with tertiary heat exchanger.

2. The efficient negative pressure combustion conveyor as claimed in claim 1, wherein a cooling water inlet pipe and a cooling water outlet pipe are respectively connected to both sides of the tertiary heat exchanger.

3. The high-efficiency negative-pressure combustion conveyor as claimed in claim 1, wherein the hood is provided with at least three observation windows.

4. The efficient negative pressure combustion conveyor as claimed in claim 1, wherein the other end of the induced draft fan is connected with a gas dust removal system.

5. The conveyor of claim 1, wherein the side surface of the vibration transfer beam assembly is provided with an L-shaped side air suction duct.