CN201506821U

CN201506821U - Annealing furnace non-water seal steam protecting device

Info

Publication number: CN201506821U
Application number: CN2009200592672U
Authority: CN
Inventors: 周开勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-26
Filing date: 2009-06-26
Publication date: 2010-06-16
Anticipated expiration: 2019-06-26

Abstract

The utility model relates to the technical field of annealing furnaces and particularly relates to an annealing furnace non-water seal steam protecting device, which comprises a furnace body and a plurality of furnace pipes which are used to penetrate through annealing wires, wherein a plurality of furnace pipes penetrate through the furnace body in parallel, an internal steam generator is arranged in the furnace body close to a wire outlet pipe orifice of the furnace pipes, the internal steam generator comprises an inner container which is used to fill water from external into a lower bending water pipe in the inner container and is used to overflow water from inside of the container out of an external overflowing bending water pipe, the furnace pipes penetrate through the inner container of the internal steam generator, a plurality of steam inlets are arranged on the pipe walls of the furnace pipes located inside the inner container, the pressure of steam of the utility model can be easily controlled, the steam pressure stability and reliability are high, oxidation conditions of the annealing materials can be effectively avoided, and the energy-saving effect is excellent.

Description

The anhydrous gland steam protector of annealing furnace

Technical field:

The utility model relates to the annealing furnace technical field, relates in particular to the anhydrous gland steam protector of annealing furnace.

Background technology:

Continuous annealing furnace is widely used in the annealing operation of wire rods such as enameled wire, bare copper wire.Because most of wire rods all oxidative phenomena may occur under hot environment,, guarantee that wire rod is not oxidized so adopt steam that oxygen is discharged usually.Traditional annealing furnace steam is fed by the outside, the outside feeding process of steam more complicated, vapor pressure is subjected to the influence of factors such as steam-pipe leakage and heat radiation, make vapor pressure wayward, vapor pressure stability and reliability are low, be difficult to guarantee whether contain oxygen in the steam, the normal annealing wire rod that takes place is because of the oxidized situation of steam problem.In addition, because steam has thermal losses in transmission pipeline, so energy-saving effect is poor.The more important thing is, because vapor pressure is wayward, tradition annealing furnace body of heater all is to tilt to place, can be full of with the steam that guarantees to be in low level and to be in the whole annealing furnace boiler tube of elevated, consequently there is the annealed stove boiler tube of uncontrollable a large amount of steam high-temperature zone to flow to atmosphere, a large amount of heats have been taken away, so energy-saving effect is poor.

The utility model content:

The purpose of this utility model is at the deficiencies in the prior art; provide a kind of annealing furnace anhydrous gland steam protector, its vapor pressure is controlled easily, vapor pressure stability and reliability height; the wire rod generation oxidation situation of can effectively avoiding annealing, and energy-saving effect is good.

For achieving the above object, the utility model is achieved through the following technical solutions: the anhydrous gland steam protector of annealing furnace, comprise body of heater, and some boiler tubes that are used for by the annealing wire rod, some boiler tubes are arranged in body of heater side by side, and the inner outlet nozzle position near boiler tube of described body of heater is provided with built-in steam generator; This built-in steam generator comprises inner bag, is used for water is advanced the curved water pipe down that replenishes of inner bag inside from external complement, and is used for water is overflowed curved water pipe under the outside overflow from inner bag inside; The additional mouth of the outer water of curved water pipe is positioned at the body of heater outside under additional, and the interior water of curved water pipe is positioned at inner bag inside for additional mouthful under replenishing, and outer water replenishes mouth and is higher than the additional mouth of interior water; The outer water overflow port of curved water pipe is positioned at the body of heater outside under the overflow, and the interior water overflow port of curved water pipe is positioned at the inner and water overflow port of inner bag and is lower than water and replenishes mouth under the overflow, and outer water overflow port is not higher than interior water overflow port; Described boiler tube passes the inner bag of built-in steam generator, is positioned on the boiler tube tube wall of inner bag inside to offer some steam inlets.

Described body of heater horizontal positioned, some boiler tube levels are arranged in body of heater.

The outlet mouth of pipe and the inlet wire mouth of pipe of boiler tube all are arranged with the taper orienting sleeve.

Be set in the outlet mouth of pipe of boiler tube and the taper orienting sleeve of the inlet wire mouth of pipe and all fill in the porcelain bead hole that is provided with the small-bore.

Described boiler tube pierces into and passes the inner bag place and is provided with pipe courage seal isolation device, and described built-in steam generator periphery bag is provided with insulating cotton.

Described inner bag bottom is provided with cleans the dewatering outlet, and the outlet of cleaning the dewatering outlet is provided with valve.

Described built-in steam generator also comprises the thermopair that is used to detect vapor temperature, and thermopair inserts near the water surface identical with interior water overflow port height in the inner bag from inner bag top.

Described thermopair inserts the inner bag place and is provided with thermopair seal isolation device.

Described inner bag periphery bag is provided with the insulation mica, and insulation mica periphery bag is provided with the resistance wire that is installed with porcelain bead.

Inner bag inside is provided with the electrothermal tube that is used for the water heating.

The utility model beneficial effect is: the anhydrous gland steam protector of annealing furnace described in the utility model, and the inner outlet nozzle position near boiler tube of its body of heater is provided with built-in steam generator; This built-in steam generator comprises inner bag, is used for water is advanced the curved water pipe down that replenishes of inner bag inside from external complement, and is used for water is overflowed curved water pipe under the outside overflow from inner bag inside; The additional mouth of the outer water of curved water pipe is positioned at the body of heater outside under additional, and the interior water of curved water pipe is positioned at inner bag inside for additional mouthful under replenishing, and outer water replenishes mouth and is higher than the additional mouth of interior water; The outer water overflow port of curved water pipe is positioned at the body of heater outside under the overflow, and the interior water overflow port of curved water pipe is positioned at the inner and water overflow port of inner bag and is lower than water and replenishes mouth under the overflow, and outer water overflow port is not higher than interior water overflow port; Described boiler tube passes the inner bag of built-in steam generator, is positioned on the boiler tube tube wall of inner bag inside to offer some steam inlets; Adopt the anhydrous gland steam protector of annealing furnace of said structure, temperature by the control saturation steam can be controlled vapor pressure on demand, its vapor pressure is controlled easily, vapor pressure stability and reliability height, can effectively avoid wire rod generation oxidation situation, and heat loss in transmission course of the anhydrous gland steam protector of this annealing furnace is considerably less, and energy-saving effect is good; In addition, after the body of heater horizontal positioned, steam comes from the vapor pressure that built-in steam generator produces fully from the power that steam inlet flow to the outlet mouth of pipe of boiler tube, can reduce in a large number from the outlet mouth of pipe of boiler tube and arrange to atmospheric steam flow, thereby reach energy-conservation purpose.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the side structure synoptic diagram of the utility model built-in steam generator;

Fig. 3 is the A portion enlarged view of Fig. 1.

Embodiment:

Below in conjunction with accompanying drawing the utility model is further described:

As shown in Figure 1 to Figure 3, the anhydrous gland steam protector of annealing furnace comprises body of heater 1, and some boiler tubes 2 that is used for by annealing wire rod 10, some boiler tubes 2 are arranged in body of heater 1 side by side, and described body of heater 1 inner outlet nozzle position near boiler tube 2 is provided with built-in steam generator; This built-in steam generator comprises inner bag 4, is used for water is advanced curved water pipe 41 under the replenishing of inner bag 4 inside from external complement, be used for water is overflowed curved water pipe 42 under the outside overflow from inner bag 4 inside, and the thermopair 45 that is used to detect vapor temperature; The additional mouth 411 of the outer water of curved water pipe 41 is positioned at body of heater 1 outside under replenishing, and the additional mouth 412 of the interior water of additional curved water pipe 41 down is positioned at inner bag 4 inside, the additional mouth 412 of water in the additional mouth 411 of outer water is higher than; The outer water overflow port 421 of curved water pipe 42 is positioned at body of heater 1 outside under the overflow, and the interior water overflow port 422 of curved water pipe 42 is positioned at the inner and water overflow port 422 of inner bag 4 and is lower than water and replenishes mouth 412 under the overflow, and outer water overflow port 421 is not higher than interior water overflow port 422; Described boiler tube 2 passes the inner bag 4 of built-in steam generator, be positioned on boiler tube 2 tube walls of inner bag 4 inside and offer some steam inlets 21, thermopair 45 inserts from inner bag 4 tops near the water surface highly identical with interior water overflow port 422 in the inner bag 4, and thermopair 45 inserts inner bag 4 places and is provided with thermopair seal isolation device 451.Described boiler tube 2 pierces into and passes inner bag 4 places and is provided with pipe courage seal isolation device 44, and described built-in steam generator periphery bag is provided with insulating cotton 46; Described inner bag 4 bottoms are provided with cleans dewatering outlet 40, and the outlet of cleaning dewatering outlet 40 is provided with valve 401, can conveniently clean the inside of inner bag 4.

In the present embodiment, body of heater 1 horizontal positioned, some boiler tube 2 levels are arranged in body of heater 1.The outlet mouth of pipe and the inlet wire mouth of pipe of boiler tube 2 all are arranged with taper orienting sleeve 22, and the taper orienting sleeve 22 on both sides is all filled in the porcelain bead hole 3 that is provided with the small-bore.The structure that adopts body of heater 1 horizontal positioned and porcelain bead hole 3 is set at the outlet mouth of pipe and the inlet wire mouth of pipe of boiler tube 2, reasonably disposed the vapor pressure in the boiler tube 2 of annealing furnace, the porcelain bead hole 3 that is positioned at the inlet wire mouth of pipe has enough vapor pressures to block oxygen, also having significantly reduced steam simultaneously arranges to atmospheric flow through heating back, high-temperature zone, the atmospheric flow of built-in steam generator steam flow has been reduced in the porcelain bead hole 3 that is positioned at the outlet mouth of pipe, can save a large amount of electric energy.Taper orienting sleeve 22 can make annealing wire rod 10 penetrate the inlet wire mouth of pipe more easily and pass the outlet mouth of pipe.

Steam inlet 21 of the present utility model is communicated with boiler tube 2 and inner bag 4, insert from inner bag 4 tops a thermopair 45 near the water surface to measure the temperature of saturation steam, water level in the inner bag 4 remains on from boiler tube 2 a distance in order to avoid liquid water enters boiler tube 2, regulate stable discharge with needle valve and enter additional mouthful 411 in outer water, water is through curved water pipe 42 under the overflow, replenish mouthful 412 inflow inner bags 4 from the interior water that is higher than inner bag 4 water levels 43, the following curved degree of depth of curved water pipe 42 should be enough to seal the steam in the inner bag 4 under the overflow, make steam not leak, outer water replenish mouthfuls 411 should be higher than in water replenish mouthfuls 412 and still can intake when guaranteeing in inner bag 4, vapor pressure to be arranged; Water level 43 upper limits are by interior water overflow port 422 controls, water flows out from outer water overflow port 421 through curved water pipe 42 under the overflow, the following curved degree of depth of curved water pipe 42 should be enough to seal the steam in the inner bag under the overflow, make steam not leak, outer water overflow port 421 should not be higher than interior water overflow port 422, can flow out to guarantee the water that is higher than interior water overflow port 422; The discharge of needle valve should be adjusted to outer water overflow port 421 has a spot of water to flow out, water overflow port 422 in being not less than with highest safety stage 43.

The utility model inner bag 4 periphery bags are provided with insulation mica 47, and insulation mica 47 periphery bags are provided with the resistance wire 48 that is installed with porcelain bead 49, utilize resistance wire 48 to heat, and also can with upper/lower positions electrothermal tube be set at inner bag 4 water levels 43 and heat.Adding the temperature that heat measured according to thermopair 45 by controller controls, its design temperature is selected by the saturated-steam temperature and the pressure synopsis of required vapor pressure reference standard, lowest temperature must not be lower than 100 degree, and whole inner bag 4 is enclosed in the thicker insulating cotton 46 and scatters and disappears to reduce heat.

In sum; the utility model can be controlled vapor pressure on demand by the temperature of control saturation steam; its vapor pressure is controlled easily; vapor pressure stability and reliability height; the oxidation situation takes place in the wire rod 10 of can effectively avoiding annealing; and heat loss in transmission course of the anhydrous gland steam protector of annealing furnace described in the utility model is considerably less, and energy-saving effect is good.This built-in steam generator is applicable to various no water seal annealing furnaces, comprise horizontal positioned and tilted-putted annealing furnace, also applicable to the vertical annealing furnace of placing, but vapour generator should be located at the annealing boiler tube exit that is positioned at the bottom when being used for the vertical annealing furnace of placing.

The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims

1. the anhydrous gland steam protector of annealing furnace, comprise body of heater (1), and some boiler tubes (2) that are used for by annealing wire rod (10), some boiler tubes (2) are arranged in body of heater (1) side by side, it is characterized in that: the inner outlet nozzle position near boiler tube (2) of described body of heater (1) is provided with built-in steam generator; This built-in steam generator comprises inner bag (4), is used for water is advanced the inner additional curved water pipe (41) down of inner bag (4) from external complement, and is used for water is overflowed curved water pipe (42) under the outside overflow from inner bag (4) inside; The additional mouth of the outer water of curved water pipe (41) (411) is positioned at body of heater (1) outside under replenishing, and the additional mouth of interior water (412) of additional curved water pipe (41) down is positioned at inner bag (4) inside, the additional mouth of water (412) in the additional mouth of outer water (411) is higher than; The outer water overflow port (421) of curved water pipe (42) is positioned at body of heater (1) outside under the overflow, the interior water overflow port (422) of curved water pipe (42) is positioned at the inner and water overflow port (422) of inner bag (4) and is lower than water and replenishes mouth (412) under the overflow, and outer water overflow port (421) is not higher than interior water overflow port (422); Described boiler tube (2) passes the inner bag (4) of built-in steam generator, is positioned on inner boiler tube (2) tube wall of inner bag (4) to offer some steam inlets (21).

2. the anhydrous gland steam protector of annealing furnace according to claim 1 is characterized in that: described body of heater (1) horizontal positioned, some boiler tubes (2) level is arranged in body of heater (1).

3. the anhydrous gland steam protector of annealing furnace according to claim 1 is characterized in that: the outlet mouth of pipe of boiler tube (2) and the inlet wire mouth of pipe all are arranged with taper orienting sleeve (22).

4. the anhydrous gland steam protector of annealing furnace according to claim 3 is characterized in that: be set in the outlet mouth of pipe of boiler tube (2) and the taper orienting sleeve (22) of the inlet wire mouth of pipe and all fill in the porcelain bead hole (3) that is provided with the small-bore.

5. the anhydrous gland steam protector of annealing furnace according to claim 1 is characterized in that: described boiler tube (2) pierces into and passes inner bag (4) and locates to be provided with pipe courage seal isolation device (44), and described built-in steam generator periphery bag is provided with insulating cotton (46).

6. the anhydrous gland steam protector of annealing furnace according to claim 5 is characterized in that: described inner bag (4) bottom is provided with cleans dewatering outlet (40), and the outlet of cleaning dewatering outlet (40) is provided with valve (401).

7. the anhydrous gland steam protector of annealing furnace according to claim 6; it is characterized in that: described built-in steam generator also comprises the thermopair (45) that is used to detect vapor temperature, and thermopair (45) inserts near the water surface highly identical with interior water overflow port (422) in the inner bag (4) from inner bag (4) top.

8. the anhydrous gland steam protector of annealing furnace according to claim 7 is characterized in that: described thermopair (45) inserts inner bag (4) and locates to be provided with thermopair seal isolation device (451).

9. according to the anhydrous gland steam protector of each described annealing furnace of claim 1 to 8, it is characterized in that: described inner bag (4) periphery bag is provided with insulation mica (47), and insulation mica (47) periphery bag is provided with the resistance wire (48) that is installed with porcelain bead (49).

10. according to the anhydrous gland steam protector of each described annealing furnace of claim 1 to 8, it is characterized in that: inner bag (4) inside is provided with the electrothermal tube that is used for the water heating.