CN201159453Y

CN201159453Y - Nozzle structure of high-efficiency environment protection injection type combustor

Info

Publication number: CN201159453Y
Application number: CNU2007201788807U
Authority: CN
Inventors: 莫灿梁
Original assignee: HUILIN PACKAGES CO Ltd DONGGUAN CITY
Current assignee: HUILIN PACKAGES CO Ltd DONGGUAN CITY
Priority date: 2007-12-27
Filing date: 2007-12-27
Publication date: 2008-12-03
Anticipated expiration: 2017-12-27

Abstract

The utility model provides a spray cap structure of a high-efficiency environment-protection gusher burner, which adopts a direct-heat baking oven typed drier based on the suspension and rotary combustion pattern and direct heat as means and overcomes the defects of bad energy-saving property, not economic, not environment protection, polluting environment of the prior tunnel-typed drier and the like. The utility model comprises a combustion furnace inner wall, a combustion furnace intracavity which is formed in the interior of the combustion furnace inner wall, a combustion furnace outer wall which is arranged on the periphery of the combustion furnace inner wall, a combustion furnace extracavity which is formed in the space between the exterior of the combustion furnace inner wall and the combustion furnace outer wall, a horn shaped passage which is arranged on the head end of the combustion furnace inner wall, a combustion spray cap which is positioned on the head end of the horn shaped passage. The utility model adopts the powder as fuel whose source is wide and price is cheap, which belongs to the resource reuse type and more reasonably utilizes heat in the drying procedure, further greatly reducing the heat loss, thereby the heat is utilized sufficiently, the efficiency is high and the economic benefit is good.

Description

The nozzle structure of high-efficiency environment friendly injecting combustor

Technical field

The utility model relates to a kind of directly heating drier, relates in particular to a kind of biomass castoff (powder) that uses and is fuel, adopts and directly to be heated to be means, the burner structure of the directly heating drier of the characteristics of outstanding energy-conservation, economic, efficient, environmental protection.

Background technology

At present, the canal drier that the moulded paper pulp product drying machine is commonly used, heat energy feed mechanism mostly are to adopt to concentrate heating (boiler) to utilize the medium heat transfer type.The energy has coal, firewood and diesel oil etc., and medium has steam, conduction oil and hot blast.Heat energy is wanted efficient loss through the medium transmission, and main is, and to concentrate the thermal source (boiler) of heating to waste by the heat radiation mode very big, and energy saving is poor, and usefulness is low; Moreover, make existing drying machine production cost very high because the energy appreciates, use COMPREHENSIVE CALCULATING through market survey and itself: the steam dryer cost is: 1.30～1.50 yuan/kg, diesel oil drying machine cost is: 2.30～2.50 yuan/kg, uneconomical; Last coal, diesel oil are non-renewable resources, are not environmental protection of fuel with coal, diesel oil, and also can discharge multiple harmful substances such as a large amount of SO2, solid particle, contaminated environment during coal combustion.

The utility model content

Problem at the prior art existence, technical problem to be solved in the utility model is that will to provide a kind of be fuel with biomass castoff (discarded vegetation etc.), adopt and suspend, the combustion system of rotation, directly be heated to be the directly-heated bake oven type c drying machine of means, in the dry run of mass-and heat-transfer, the combustion furnace of drying machine reaches optimum heat exchanger effectiveness, it is poor to overcome existing tunnel formula drying machine energy saving, uneconomical, not environmental protection, defectives such as contaminated environment, this drying machine is not only outstanding energy-conservation, economical and efficient, the characteristics of environmental protection can also be brought huge society and economic benefit.

In order to reach aforesaid utility model purpose, the technological means that the utility model used comprises:

A kind of nozzle structure of high-efficiency environment friendly injecting combustor, include a combustion furnace inwall, pars intramuralis forms a combustion furnace inner chamber in the combustion furnace, combustion furnace inwall periphery is provided with the combustion furnace outer wall that coats tool, space between combustion furnace inwall outside and the combustion furnace outer wall forms the combustion furnace exocoel, the head end of combustion furnace inwall is provided with tubaeform passage, and the head end of tubaeform passage is provided with burning Spray head.

Further, the tube wall head of described combustion furnace inwall is provided with lighting-up tuyere, and the tube wall head of combustion furnace outer wall is provided with the blast pipe of connection;

Further, described combustion furnace afterbody is provided with silt box, and the other end of silt box is provided with flue;

Above-mentioned burning Spray head is provided with the plural jet pipe to the combustion furnace inner wall extend, and is best for the center is a footpath at a gulp jet pipe, waits around this and is arranged with the small-bore jet pipe of the six roots of sensation; The tube wall of combustion furnace outer wall is provided with one and above heat transmission guide duct of connection.

The utility model transmits fuel to combustion furnace by air blast, fuel forms suspended state blowing through air blast in the process, (plural jet pipe is being set in the pipe through specially designed trumpet type discharge nozzle, make the fuel rotation), make fuel with rotation, suspended state enters the cylinder type combustion furnace, fully, fully burning, produce heat and be distributed to the combustion furnace outer wall through the combustion furnace inwall, after hot blast exchange, make heat be uniformly distributed in dryer inside, and the heat of combustion furnace can directly distribute in dryer inside, promotes the dryer inner temperature rapidly and carries out drying, and waste gas discharges through flue.The utility model is a fuel with biomass castoff (discarded vegetation powder), adopts the combustion system that suspends, rotates, and directly is heated to be the drying machine of means, this drying machine advantage:

1., act as a fuel (as straws such as leftover bits and pieces such as sawdust discarded in the timber process, Bao flower wood fragments piece and straw, straw with the abandoned biomass powder, combustiblerefuse powders etc.), fuel source is extensive, and is cheap, belong to the resource reutilization type, do not produce SO2 after the burning;

2., adopt to suspend, the combustion system of rotation, fuel fully combines with air, burning is complete;

3., adopt direct mode of heating, the boiler of one or more concentrated combustions broken the whole up into parts be designed into dryer inner, monomer combustion furnace quantity, position and burning capacity are selected and designed, make and more reasonably utilize heat energy in the dry run, greatly reduce thermal loss, Btu utilization is abundant, usefulness Gao Jing, and the Ji benefit is big.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is that the B-B of Fig. 1 is to generalized section;

Fig. 3 is the schematic perspective view of the utility model embodiment;

Fig. 4 is the enlarged diagram of the C portion of Fig. 1;

Fig. 5 is the enlarged diagram of the A portion of Fig. 2.

The specific embodiment

For further understanding feature of the present utility model, technological means and the specific purposes that reached, function, the utility model is described in further detail below in conjunction with the accompanying drawing and the specific embodiment.

The utility model dependency structure mainly comprises following parts (or device), its primary clustering symbol description: combustion furnace outer wall 1, combustion furnace inwall 2, burning Spray 3, blast pipe 4, lighting-up tuyere 5, tubaeform passage 6, silt box 7, flue 8, jet pipe 9, guide duct 10.

Shown in accompanying drawing 1 and accompanying drawing 2, the nozzle structure of the utility model high-efficiency environment friendly injecting combustor, include a combustion furnace inwall 2, combustion furnace inwall 2 peripheries are provided with the combustion furnace outer wall 1 that coats it, and combustion furnace outer wall 1 is used to assemble the heat of combustion furnace inwall 2 burnings, and combustion furnace adopts combustion furnace outer wall 1, the 2 two-layer designs of combustion furnace inwall, one deck inwall and one deck outsourcing, the middle hot blast chamber (combustion furnace outer wall) that forms is used for heat exchange, and the hot blast chamber is communicated with guide duct 10 heat radiations.The head end of combustion furnace inwall 2 is provided with tubaeform passage 6, and the head end of tubaeform passage 6 is provided with burning Spray 3; The tube wall head of combustion furnace inwall 2 is provided with lighting-up tuyere 5, and the tube wall head of combustion furnace outer wall 1 is provided with the blast pipe 4 of connection.The combustion furnace inwall 2 inner combustion furnace inner chambers that form, the space between combustion furnace inwall 2 outsides and the combustion furnace outer wall 1 forms the combustion furnace exocoel.

The afterbody of combustion furnace outer wall 1 is provided with silt box 7, and the other end of silt box 7 is provided with flue 8.Burning Spray 3 is provided with the plural jet pipes 9 that stretch to combustion furnace inwall 2, and is best for the center is a footpath at a gulp jet pipe 9, waits around this and is arranged with the small-bore jet pipe 9 of the six roots of sensation, and after Spray this structure of 3 usefulness of burning, fuel rotates, suspension effect is better, and disperse is even; The tube wall of combustion furnace outer wall 1 is provided with one and above heat transmission guide duct 10 of connection.

Fuel is through burning Spray 3, jet pipe 9, tubaeform passage 6, and fuel is suspension, rotation status enters combustion furnace inwall 2, in lighting-up tuyere 5 ignition, produce waste gas through flue 8 dischargings, heat distributes by guide duct 10, improves the drying machine temperature, carries out drying.

The fuel of directly-heated type moulded paper pulp product drying machine is particle diameter less than 2 millimeters pure plant powder, powder mixed prior to air before entering combustion furnace inwall 2, burning is to carry out under the suspension rotation status, powder obtains fully and fully burning, the burning back produces the colourless waste gas that does not contain sulfur dioxide, and the solid particle volume of discharging is one of three percentages of volume of fuel.

The utility model changes existing drying machine fuel, combustion system and mode of heating, improve energy saving, economy, high efficiency, the feature of environmental protection of drying machine, develop a kind of new energy, save resource, reduce enterprise's drying cost greatly, society and economic benefit are huge.

Above illustrated embodiment is only with for conveniently illustrating the utility model, be not that the utility model is done any pro forma restriction, have in the technical field under any and know the knowledgeable usually, if in the scope that does not break away from technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify, and do not break away from technical characterictic content of the present utility model, all still belong in the scope of the utility model technical characterictic.

Claims

1, a kind of nozzle structure of high-efficiency environment friendly injecting combustor, include: a combustion furnace inwall (2), the inner combustion furnace inner chamber that forms of combustion furnace inwall (2), it is characterized in that: described combustion furnace inwall (2) periphery is provided with the combustion furnace outer wall (1) that coats it, space between combustion furnace inwall (2) outside and the combustion furnace outer wall (1) forms the combustion furnace exocoel, the head end of combustion furnace inwall (2) is provided with tubaeform passage (6), and the head end of tubaeform passage (6) is provided with burning Spray head (3).

2, the nozzle structure of high-efficiency environment friendly injecting combustor according to claim 1 is characterized in that: the tube wall head of described combustion furnace inwall (2) is provided with lighting-up tuyere (5), and the tube wall head of combustion furnace outer wall (1) is provided with the blast pipe (4) of connection.

3, the nozzle structure of high-efficiency environment friendly injecting combustor according to claim 1 is characterized in that: the afterbody of described combustion furnace outer wall (1) is provided with silt box (7), and the other end of silt box (7) is provided with flue (8).

4, the nozzle structure of high-efficiency environment friendly injecting combustor according to claim 1 is characterized in that: described burning Spray head (3) is provided with the plural jet pipe (9) that stretches to combustion furnace inwall (2).

5, the nozzle structure of high-efficiency environment friendly injecting combustor according to claim 1 is characterized in that: the tube wall of described combustion furnace outer wall (1) is provided with one and an above heat transmission guide duct (10) of connection.