CN101078118B

CN101078118B - Heating mechanism

Info

Publication number: CN101078118B
Application number: CN200710024799A
Authority: CN
Inventors: 徐惠明
Original assignee: CHANGSHU DONGBANG PRECISION CASTING FACTORY
Current assignee: CHANGSHU DONGBANG PRECISION CASTING FACTORY
Priority date: 2007-06-27
Filing date: 2007-06-27
Publication date: 2010-05-19
Anticipated expiration: 2027-06-27
Also published as: CN101078118A

Abstract

A heating device is to melt the coating metal material such as tin and zinc. It includes a radiating canister set in the plating container and an electrical heating device in the cavity hollow of the radiating canister. Because it is set in the plating canister, so the external heat-indirectly heat is changed to inner heat-directly heat and can save energy 20-30%. So the plating canister does not need select the metal canister and can decrease the Zn residue to save the material. It can set need number products in the plating canister to adapt to plating temperature of the hot galvanizing plate or hot-galvanize steel. When one of the invention is damaged, it can be changed and not influence the production.

Description

Heating arrangements

Technical field

The present invention relates to a kind of heating arrangements, be used for iron and steel enterprise plating is applied to the special-purpose heating facility that the material on metal product surface such as tin, zinc melt.

Background technology

In the production process of heat zinc coating plate, hot-dip galvanized steel strip,, must before be in the zinc material fusing of solid state for the zinc plating is coated onto on plate body or the band steel.

Be to adopt big iron pan as the container that holds the zinc material in the prior art, the zinc material is put into iron pan, in the outside of iron pan iron pan is heated, the energy of heating usefulness adopts coal, liquefied gas or wet goods, makes the material zinc fusing in the pot.

Self-evident, because this type of heating belongs to the former mode that at first falls behind, therefore have following drawback inevitably, and these drawbacks become heat zinc coating plate for a long time, pot galvanize band manufacturing enterprise is thorny and expectation always solves and unsolved problem.The one, energy dissipation is big, promptly heat outside the pot every the pot heating because be, it is huge to add upper pan body, rapid heat dissipation, must do omnibearing heating to pot is external in when heating, make its fusing for the material in the pot by the pot body with heat passage, this indirect heating is runed counter to saving type, the energy-saving economy advocated at present the consumption of the energy; The 2nd, the iron pan seriously corroded, because iron and zinc can produce chemical reaction in heat-processed, the data that provide through iron and steel enterprise show that 1 kilogram of iron of every corrosion just produces about 24 kilograms cadmia, and comparatively expensive and zinc that belong to strategic resource causes serious inaction waste to price; The 3rd, owing to easily being corroded to cause, iron pan uses the lost of life, and need change iron pan about half a year usually, thereby not only give smooth and easy the exerting an influence of producing, and cause the enterprise cost increase because of frequently changing pot; The 4th, because the thickness of heat zinc coating plate or pot galvanize steel band is different along with the difference of specification, as is known in the industry, the thickness difference, the Heating temperature of desired zinc material is also different, iron pan heat fused zinc material then shows makes no exception, can't satisfy the requirement of coping with shifting events by changing, thereby also cause waste the energy to thickness.

The problems referred to above are perplexing iron and steel enterprise for a long time all the time, especially along with standardization, institutionalization are carried out in the examination to the enterprise energy consumption indicators, thereby force enterprise to strengthen innovative idea, the present invention will disclosed below technical scheme just be based on and forms under this background.Because analyze together with iron and steel enterprise through the applicant, the conclusion that draws is that as long as the type of heating of zinc is not changed, the problems referred to above just can't solve so, and will change the type of heating to zinc, by having the ideal heating arrangements.

Summary of the invention

Task of the present invention is that a kind of save energy that both helped will be provided, and can reduce the heating arrangements of material loss again.

Task of the present invention is finished like this, a kind of heating arrangements, it comprises that one is used for being set to plating and is coated with electric heater unit in the tube chamber that radiative cylinder and that container goes is contained in radiative cylinder, described heating unit comprises: spacer, insulating trip, a pair of power supply connects post, electrothermal tube, central locating rod, spacer and thermal insulation layer, spacer has one group, with a cloth state be placed on described electrothermal tube, on the central locating rod, a pair of power supply connects post and is fixed on the insulating trip, electrothermal tube and a pair of power supply connect the post electrical coupling, one piece of spacer of foot in the two ends of central locating rod and insulating trip and the one group of spacer is located mutually, spacer has one group, be nested with on central locating rod, separated by a spacer between per two pieces of spacers, thermal insulation layer is located between one piece of spacer in the top in insulating trip and the one group of spacer.

Expand on the radiative cylinder of the present invention to be provided with and be used to be mounted on the mounting bracket that described plating is coated with in the container and scoop out body, be provided with the mounting bracket fixed orifices between mounting bracket scoops out on the body.

Plating of the present invention is coated with container and is coated with the pond for the plating that is formed by the non-metallic material system of building, and described non-metallic material are refractory materials, and described refractory materials is a refractory brick, and described base is made as the system of block.

Mounting bracket of the present invention scoops out body and is located at the flange circle that the position is opened wide in the radiative cylinder upper end for expanding.

Spacer of the present invention and insulating trip are discoidal ceramic plate, and described spacer is the piped vitrified pipe.

Electrothermal tube of the present invention comprises first, second body that accommodates electrical heating wire, and the top of first, second body connects post with described a pair of power supply respectively and electrically connects, and between first, second body respectively by first, second wire coupling.

The lower end expansion of central locating rod of the present invention is provided with one and limits bead, and the upper end is processed with the packing screw thread, is equipped with forcing piece on the packing screw thread.

First, second body of the present invention is crooked.

Bending of the present invention is u shaped bending.

The structure that the present invention recommended be owing to can be set to plating and be coated with in the container, and the outer heating that plating is coated with container that therefore can become in the prior art is that indirect heating is a direct heating into internal heating, but save energy 20-30%; Owing to can satisfy the built-in heat request that adds that plating is coated with container, therefore plating is coated with container and need not selects metal vessel, can reduce the generation of cadmia, helps economizing in raw materials; Be coated with the present invention that can be provided with in the container in a cover plating, thereby can be coated with temperature requirement to the heat zinc coating plate of different size or the plating of hot-dip galvanized steel strip by enabling to adapt to according to the present invention who needs quantity according to needing quantity; When a certain cover structure of the present invention causes damage,, can not give smooth and easy the impacting of producing as long as replace pointedly.

Description of drawings

Fig. 1 is a preferred embodiment structure iron of the present invention.

Fig. 2 is the application example synoptic diagram that exemplifies of the present invention.

Embodiment

See also Fig. 1, provided a upper end open and the material of all the other sealings be metal and can tolerate the radiative cylinder 1 that plating than zinc, tin and so on is coated with the high capsule shape of the temperature of fusion of material, the tube chamber 11 of radiative cylinder 1 is the electric heater unit 2 that will describe in detail below being used for holding, and uncovered position, the upper end of radiative cylinder 1 is established the mounting bracket that constitutes tool mounting bracket fixed orifices 121 and scooped out body 12 to extending out.As a concrete example, it is one flange circle that mounting bracket scoops out body 12.Scoop out the position of body 12 and/or shape, quantity if change mounting bracket, will be understood that it is equivalent so, for example extend fixing feet, mounting flange seat or the like at any place of the cylindrical shell of radiative cylinder 1.

One group of spacer 21 of electric heater unit 2 and the appraise and select in 26 fens of one group of spacer be with the vitrified pipe of discoidal ceramic plate and tubular, they with a cloth form be nested with on electrothermal tube 24, central locating rod 25.By diagram as can be known, the distance that separates between the two adjacent spacers 21 is the height of spacer 26 just.Represent a pair of electric heating of live wire and zero line to connect post 23 and be positioned that material is preferably pottery equally and shape is similarly on the discoidal insulating trip 22.Aforementioned central locating rod 25 integrally is arranged on insulating trip 22, thermal insulation layer 27, the one group of spacer 26, in order to make central locating rod 25 good fix, therefore be provided with a spacing bead 251 in its lower end expansion, and the upper end is processed with the packing screw thread, configuration forcing piece 252 on the packing screw thread.Along with screwing of the forcing piece 252 that is preferably nut, make spacing one group of spacer 21 of bead 251 packings and one group of spacer 26, make simultaneously to be arranged in one group of electrothermal tube 24 location on the spacer 21.

Electrothermal tube 24 comprises first, second body 241,242, be installed with nichrome wire respectively in first, second body 241,242, and connecing post 23 with a pair of power supply is electrically connected, the preferable shape of first, second body 241, the 242 clear u shape of showing among the figure of serving as reasons is communicated with by first, second lead 2411,2421 each other.Between uppermost one piece of spacer 21 of one group of spacer 21 and insulating trip 23, thermal insulation layer 27 is set.

See also Fig. 2, being set at plating by above-described structure of the present invention is coated with in the container 3, in the figure, though only show a unit or claim a cover by radiative cylinder 1 be placed in the heating arrangements of the present invention that the electric heater unit 2 in the tube chamber 11 of radiative cylinder 1 is constituted, can not be interpreted as therefrom that a plating is coated with container 3 and only joins a cover.Because it is built-in that heating arrangements of the present invention can embody, promptly can directly place plating to be coated with container 3, so plate and be coated with container 3 and need not to resemble and adopt metal vessel the prior art.For this reason, it is fire-resistantly brickly to make plating and be coated with container 3 that the applicant has recommended to adopt nonmetallic refractory materials, and the outer wall that is coated with container 3 in plating also can clad metallic substance, refractory brick can also be paved in the cavity volume of the integral body that preliminary is made of metal.When structure shown in Figure 1 is installed, as long as can realize by scooping out the matched support 122 of body 12 with mounting bracket, specifically be that the mounting bracket fixed orifices 121 that support 122 and mounting bracket scoop out on the body 12 is connected firmly, and and then fix with the inwall that plating is coated with container 3.Preferred scheme also can respectively be established thermopair in plating is coated with the tube chamber 11 of container 3 and radiative cylinder 1.

Still seeing also Fig. 2, when enabling, is example with processing pot galvanize steel band, by radiative cylinder 1 heat is outwards transmitted, and the material zinc that plating is coated with in the container 3 is fused into zinc liquid 4.Steel band 5 imports zinc liquid 4 from first steel band guiding roller 51, and going out to plate to be coated with container 3 after burying second steel band guiding roller 52 that is dipped in the zinc liquid 4 is derived by the 3rd steel band guiding roller 53.

Through the applicant structure of the present invention (the former) is recommended steel mill's (under confidential state) on probation, on probation opposing under enabling simultaneously with prior art (latter) carried out than test, and it is equal to plate the volume that is coated with container 3, and the specification quantity that plating is coated with steel band is also identical.The result shockingly shows: after using 6 months, the plating of structure of the present invention is coated with the cadmia that trace is only arranged in the container 3 and produces (coming from the effect of radiative cylinder 1 and zinc), and existing technology has 10 times of cadmias to the former to produce in metal vessel owing to be the outer heating of adopting metal vessel.And the former energy-saving effect reaches 22-25%, and energy-conservation is to adopt the real time price of electricity than convert with coal or oil with the former by the latter; The former changes radiative cylinder 1 does not influence normally carrying out of production, must stop production and the latter changes whole metal vessel; The former can enable according to the electric heater unit 2 that needs quantity according to temperature requirement, and the hand person then shows as and makes no exception, thus the former energy-saving effect also obviously be better than the latter.

Claims

1. heating arrangements, it is characterized in that it comprises that one is used for being set to plating and is coated with electric heater unit (2) in the chamber (11) that radiative cylinder (1) and that container (3) goes is contained in radiative cylinder (1), described heating unit (2) comprising: spacer (21), insulating trip (22), a pair of power supply connects post (23), electrothermal tube (24), central locating rod (25), spacer (26) and thermal insulation layer (27), spacer (21) has one group, with a cloth state be placed on described electrothermal tube (24), on the central locating rod (25), a pair of power supply connects post (23) and is fixed on the insulating trip (22), electrothermal tube (24) connects post (23) electrical coupling with a pair of power supply, locate mutually with the one piece of spacer of foot (21) in insulating trip (22) and the one group of spacer (21) at the two ends of central locating rod (25), spacer (26) has one group, be nested with on central locating rod (25), separated by a spacer (26) between per two pieces of spacers (21), thermal insulation layer (27) is located between the one piece of spacer in the top (21) in insulating trip (22) and the one group of spacer (21).

2. heating arrangements according to claim 1, it is characterized in that described radiative cylinder (1) go up to expand to be provided with is used to be mounted on the mounting bracket that described plating is coated with in the container (3) and scoops out body (12), and mounting bracket scoops out body (12) and is provided with mounting bracket fixed orifices (121) between going up.

3. heating arrangements according to claim 1 is characterized in that described plating is coated with container (3) and is coated with the pond for the plating that is formed by the non-metallic material system of building, and described non-metallic material are refractory materials, and described refractory materials is a refractory brick, and described base is made as the system of block.

4. heating arrangements according to claim 2 is characterized in that described mounting bracket scoops out body (12) and is located at the flange circle that the position is opened wide in radiative cylinder (1) upper end for expanding.

5. heating arrangements according to claim 1 is characterized in that described spacer (21) and insulating trip (22) are discoidal ceramic plate, and described spacer (26) is the piped vitrified pipe.

6. heating arrangements according to claim 1, it is characterized in that described electrothermal tube (24) comprises first, second body (241,242) that accommodates electrical heating wire, the top of first, second body (241,242) connects post (23) with described a pair of power supply respectively and electrically connects, and is connect by first, second lead (2411,2421) respectively between first, second body (241,242).

7. heating arrangements according to claim 1 it is characterized in that the lower end expansion of described central locating rod (25) is provided with a qualification bead (251), and the upper end is processed with the packing screw thread, is equipped with forcing piece (252) on the packing screw thread.

8. heating arrangements according to claim 6 is characterized in that described first, second body (241,242) is crooked.

9. heating arrangements according to claim 8 is characterized in that described bending is u shaped bending.