Multi-section nozzle adapter for continuous casting

Abstract

The utility model relates to a multi-section nozzle adapter for continuous casting, which comprises an adapter main body, one side surface of the adapter main body is provided with a mounting surface, the other side surface of the adapter main body is provided with a connecting surface, and the mounting surface of the adapter main body is provided with an internal threaded hole. The mounting surface of the adapter main body is detachably mounted at the water outlet end of the branch pipe of the spray pipe through the internal threaded hole; the two rows of interfaces comprise a section I nozzle interface, a section II nozzle interface, a section III nozzle interface, a section I nozzle standby interface, a section II nozzle standby interface and a section III nozzle standby interface; the spray nozzle is in threaded connection with one of the two horizontal-row connectors; the nozzle plug is in threaded connection with all the other nozzle connectors; by designing the multi-section nozzle adapter, the position and the type of the nozzle can be quickly adjusted under the condition that the whole spray pipe is not replaced so as to adapt to casting blank production, so that the downtime of a continuous casting machine is remarkably shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to continuous casting production equipment technical field, concretely is a kind of multi-section nozzle adapter for continuous casting. BACKGROUND

[0002] In billet continuous casting production, a single continuous casting machine usually needs to undertake the production task of multi-section billet, and the continuous casting secondary cooling section spray pipe needs to be adapted to various casting sections. In the case of little difference in the size of the production section, the inner and outer arc spray pipes of the billet can basically not be modified, and only the nozzle type is changed to adapt to the section, but the two-side arc spray pipes cannot spray the center of the billet because the outer arc reference of the caster is unchanged and the center line of the billet side arc changes with the section.

[0003] The current method of handling is mainly to replace the spray pipe that is adapted to the section, but this method increases the continuous casting downtime, reduces the continuous casting output and increases the labor cost.

[0004] Therefore, in order to improve the production efficiency of the continuous casting machine, a nozzle adapter that is adapted to multi-section production is needed. SUMMARY

[0005] The utility model solves the technical problem in the prior art by providing a multi-section nozzle adapter for continuous casting, which can change the distance between the nozzle and the outer arc reference line of the billet, thereby achieving the purpose of multi-section production.

[0006] The technical problem solved by the utility model is solved by the following technical scheme, a multi-section nozzle adapter for continuous casting, comprising:

[0007] The adapter main body is formed as a hollow structure, one side of the adapter main body is provided as a mounting surface, the other side is formed as a connecting surface, and an internal thread hole is formed in the mounting surface of the adapter main body. The internal thread hole is used to detachably mount the mounting surface of the adapter main body on the water outlet end of the spray pipe branch pipe;

[0008] The two horizontal rows of interfaces arranged in an upper and lower manner are formed in the adapter main body. The upper horizontal row of interfaces includes a section I nozzle interface, a section II nozzle interface and a section III nozzle interface, and the lower horizontal row of interfaces includes a section I nozzle standby interface, a section II nozzle standby interface and a section III nozzle standby interface.

[0009] The nozzle is screwed to one of the two horizontal rows of interfaces;

[0010] The plurality of nozzle plugs are screwed to all the remaining nozzle interfaces.

[0011] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the multi-section nozzle adapter for continuous casting, the axis of the section I nozzle interface, the section II nozzle interface, the section III nozzle interface, the section I nozzle spare interface, the section II nozzle spare interface and the section III nozzle spare interface is parallel to the axis of the spray pipe branch pipe.

[0012] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the multi-section nozzle adapter for continuous casting, the axis of the section I nozzle interface, the section II nozzle interface, the section III nozzle interface, the section I nozzle spare interface, the section II nozzle spare interface and the section III nozzle spare interface is parallel to the axis of the spray pipe branch pipe.

[0013] The technical problems to be solved by the utility model can also be implemented by the following technical scheme, the multi-section nozzle adapter for continuous casting, the axis of the section I nozzle interface, the section II nozzle interface, the section III nozzle interface, the section I nozzle spare interface, the section II nozzle spare interface and the section III nozzle spare interface is parallel to the axis of the spray pipe branch pipe.

[0014] Compared with the prior art, the utility model has the beneficial technical effects that:

[0015] (1) through the design multi-section nozzle adapter, can under not replacing entire spray pipe, the position and type of nozzle are adjusted fast, to adapt to the production of casting blank, this significantly reduces the downtime of continuous casting machine, improves production efficiency, and avoids the additional labor cost and material cost brought by frequent replacement of spray pipe;

[0016] (2) the adapter provides multiple nozzle interfaces and spare interfaces, which can be flexibly selected and used according to actual production needs, improving the flexibility and adaptability of production;

[0017] (3) tangible benefits: reduce continuous casting downtime, improve continuous casting machine output, after being used, the conventional spray pipe replacement scheme takes about 8 hours, and the replacement scheme after using the multi-end surface nozzle adapter for continuous casting takes about 4 hours, which is shortened by half, and the spray pipe replacement frequency of a single continuous casting machine is calculated as 2 times per month, the average hourly output of the continuous casting machine is calculated as 220 tons, and the ton steel profit is calculated as 200 yuan:

[0018] Benefit = single time saving * replacement frequency * hourly output * ton steel profit = (8-4) hours * 2 times * 220 tons * 200 yuan / ton = 352,000 yuan / year. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the front view structural schematic drawing before the utility model is used;

[0020] Fig. 2The side view structure schematic diagram of the utility model is installed on the branch pipe of the spray pipe.

[0021] Reference signs: 1, adapter main body; 2, mounting surface; 3, connecting surface; 4, internal thread hole; 5, spray pipe branch pipe; 6, cross section I nozzle interface; 7, cross section II nozzle interface; 8, cross section III nozzle interface; 9, cross section I nozzle spare interface; 10, cross section II nozzle spare interface; 11, cross section III nozzle spare interface; 12, nozzle; 13, nozzle plug. DETAILED DESCRIPTION

[0022] The specific technical scheme of the utility model is further described below with reference to the drawings, so that the person skilled in the art can further understand the utility model without constituting a limitation on its rights.

[0023] Embodiment 1, refer to Figs. 1-2 A multi-cross section nozzle adapter for continuous casting, comprising;

[0024] The adapter main body 1 is formed into a square plate structure, and its size can be selected according to the use requirement; the four corners are all provided with rounded corners; the adapter main body 1 is formed into a hollow structure, and the fluid in the external spray pipe branch pipe can enter the adapter main body 1; one side surface of the adapter main body 1 is provided as a mounting surface 2, and the other side surface is formed into a connecting surface 3; an internal thread hole 4 is formed on the mounting surface 2 of the adapter main body 1, and is located at the central position of the mounting surface 2 of the adapter main body 1; the mounting surface 2 of the adapter main body 1 is detachably mounted on the water outlet end of the spray pipe branch pipe 5 through the internal thread hole 4;

[0025] Two horizontal row interfaces arranged in an upper and lower interval are formed on the adapter main body 1; the upper horizontal row interface comprises a cross section I nozzle interface 6, a cross section II nozzle interface 7 and a cross section III nozzle interface 8; the lower horizontal row interface comprises a cross section I nozzle spare interface 9, a cross section II nozzle spare interface 10 and a cross section III nozzle spare interface 11; the cross section I nozzle interface 6, the cross section II nozzle interface 7 and the cross section III nozzle interface 8 are equidistantly arranged left and right; the cross section I nozzle spare interface 9, the cross section II nozzle spare interface 10 and the cross section III nozzle spare interface 11 are equidistantly arranged left and right; the axis of the cross section I nozzle interface 6, the cross section II nozzle interface 7, the cross section III nozzle interface 8, the cross section I nozzle spare interface 9, the cross section II nozzle spare interface 10 and the cross section III nozzle spare interface 11 is parallel to the axis of the spray pipe branch pipe 5;

[0026] A nozzle 12 is screwed to one of the two horizontal row interfaces;

[0027] A plurality of nozzle plugs 13, which can be five in number, are screwed to all the remaining nozzle interfaces.

[0028] The use process of the multi-surface nozzle adapter for continuous casting is as follows:

[0029] First, the adapter main body 1 is screwed to the water outlet end of the spray pipe branch 5, then according to the current production task, the type of the cast slab surface to be produced is determined, the nozzle 12 is installed on one of the interfaces, and the remaining interfaces are blocked by the nozzle plug 13, and the work is completed.

[0030] When the spraying distance of the nozzle 12 from the outer arc reference line of the cast slab needs to be changed, the installation position of the nozzle 12 can be changed, and the remaining interfaces are blocked by the nozzle plug 13, and the work is completed, avoiding the long time required for replacement in the past, and improving the production efficiency.

[0031] After using the multi-surface nozzle adapter for continuous casting:

[0032] The tangible benefits are: reducing continuous casting downtime, improving continuous casting machine output, after using the conventional spray pipe replacement scheme, it takes about 8 hours, after using the multi-surface nozzle adapter for continuous casting, it takes about 4 hours, which shortens the time by half, the spray pipe replacement frequency of a single continuous casting machine is calculated as 2 times per month, the average hourly output of the continuous casting machine is calculated as 220 tons, and the profit per ton of steel is calculated as 200 yuan, the benefit = time saved per time * replacement frequency * hourly output * profit per ton of steel = (8-4) hours * 2 times * 220 tons * 200 yuan / ton = 352,000 yuan / year.

Claims

1. A multi-strand nozzle adapter for continuous casting, characterized by: It includes; The adapter body is formed as a hollow structure, one side of the adapter body is provided as a mounting surface, the other side is formed as a connecting surface, an internally threaded hole is formed on the mounting surface of the adapter body, and the adapter body is detachably mounted on the water outlet end of the spray pipe branch through the internally threaded hole; Two horizontal rows of interfaces arranged in an upper and lower interval are formed on the adapter body, the upper horizontal row of interfaces includes a section I nozzle interface, a section II nozzle interface and a section III nozzle interface, and the lower horizontal row of interfaces includes a section I nozzle standby interface, a section II nozzle standby interface and a section III nozzle standby interface; A nozzle is screwed to one of the two horizontal rows of interfaces; A plurality of nozzle plugs are screwed to all the remaining nozzle interfaces.

2. A multi-strand nozzle adapter for continuous casting as defined in claim 1, wherein: The section I nozzle interface, the section II nozzle interface and the section III nozzle interface are arranged equidistantly left and right, and the section I nozzle standby interface, the section II nozzle standby interface and the section III nozzle standby interface are arranged equidistantly left and right.

3. A multi-strand nozzle adapter for continuous casting as defined in claim 1, wherein: The axes of the section I nozzle interface, the section II nozzle interface, the section III nozzle interface, the section I nozzle standby interface, the section II nozzle standby interface and the section III nozzle standby interface are parallel to the axis of the spray pipe branch.

4. A multi-strand nozzle adapter for continuous casting as defined in claim 1, wherein: The adapter body is formed as a square plate structure, and the four corners of the square plate structure are all provided with rounded corners.

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