CN101643224B - Combined type self soda-returning calcining furnace body and manufacturing method thereof - Google Patents
Combined type self soda-returning calcining furnace body and manufacturing method thereof Download PDFInfo
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- CN101643224B CN101643224B CN 200910104658 CN200910104658A CN101643224B CN 101643224 B CN101643224 B CN 101643224B CN 200910104658 CN200910104658 CN 200910104658 CN 200910104658 A CN200910104658 A CN 200910104658A CN 101643224 B CN101643224 B CN 101643224B
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Abstract
The invention relates to a combined type self soda-returning calcining furnace body, comprising a furnace head flange, a furnace tail flange, a front rolling ring pad, a rear rolling ring pad and a gear ring pad and is characterized in that the furnace body is formed by connecting a first furnace body segment and a second furnace body segment, one end of the first furnace body segment and one end of the second furnace body segment are connected into a whole by a butt tooling; and spiral tubes head to end are arranged in the first furnace body segment and the second furnace body segment. The invention also relates to a manufacturing method of the combined type self soda-returning calcining furnace body. Comprehensive cost is greatly reduced, and problems that working ability is not enough, capacity of lifting equipment is not enough and transportation is restricted are solved. Compared with previous whole manufacture and transportation schemes, the cost can be saved by *** yuan for a 100-km load distance.
Description
Technical field
The present invention relates to chemical machinery parts and method of manufacture, be specifically related to a kind of combined type self soda-returning calcining furnace body and method of manufacture thereof.
Background technology
The body of heater of existing soda ash self soda-returning steam roaster is an one-piece construction, makes and transportation all is to be object with integrally-built body of heater.Along with developing rapidly of soda industry; Alkali factory rules and regulations mould also significantly promotes, and original technology can not adapt to present development trend, and soda industry main body production unit---the self soda-returning steam roaster also maximizes; Furnace diameter is mostly between 2.8-3.6m at present; Length is mostly at 25-35m, and weight is given and made, transports, lifts by crane and bring certain difficulty at 70-120t.
Summary of the invention
The purpose of this invention is to provide a kind of combined type self soda-returning calcining furnace body, it can significantly reduce comprehensive cost, solves the problem that working ability deficiency, lifting rig ability are not enough and transportation is restricted effectively.The present invention also provides the method for manufacture of this combined type self soda-returning calcining furnace body, and the ability body of heater reaches technical requirements to carrying out whole mechanical workout, guarantees that operation is normal.
Combined type self soda-returning calcining furnace body of the present invention; Comprise the burner flange that is located at body of heater one end, the stove tail flange that is located at the body of heater the other end; Be located at rolling ring seat before the forward of body of heater outside, be located at rear portion, body of heater outside back rolling ring seat, be located at the gear ring base at middle part, body of heater outside, it is characterized in that:
Body of heater is made up of two body of heater section joints at least, and the end of a body of heater Duan Jie connects as one through docking frock with the end of another body of heater Duan Jie; In each body of heater Duan Jie, be provided with spiral tube, the corresponding connection of head end of the spiral tube that the tail end of the spiral tube in the last body of heater Duan Jie and a back body of heater Duan Jie who is connected are interior.
Body of heater is connected to form by the first body of heater Duan Jie and the second body of heater Duan Jie, and the end of the first body of heater Duan Jie connects as one through docking frock with the end of the second body of heater Duan Jie; Be located at the corresponding connection of head end of the tail end of the spiral tube in the first body of heater Duan Jie spiral tube interior with establishing the second body of heater Duan Jie.
Described combined type self soda-returning calcining furnace body, the length of the length of its first body of heater Duan Jie and the equal in length of the second body of heater Duan Jie, the first body of heater Duan Jie greater than the length of the second body of heater Duan Jie, or the length of the first body of heater Duan Jie less than the length of the second body of heater Duan Jie.
Described combined type self soda-returning calcining furnace body; Its described butt joint frock comprises first inside flange that is located at first body of heater Duan Jieyi end, second inside flange that is located at second body of heater Duan Jieyi end; On first inside flange and second inside flange, be respectively equipped with the seam and the positioning bolt hole of mutual correspondence, to guarantee proper reset.
The method of manufacture of combined type self soda-returning calcining furnace body of the present invention, its step is following:
The first step, welding butt joint frock: with the end of the first inside flange assembly welding in the first body of heater Duan Jie, the second inside flange assembly welding is in the end of the second body of heater Duan Jie;
In second step, connect body of heater Duan Jie: first inside flange and second inside flange are docked assembling through the seam on it, and using tack bolt to pass positioning bolt hole, to be connected fastening with second body of heater section joint the first body of heater Duan Jie be an integral body;
In the 3rd step, carry out whole processing: at an end finishing stove head flange, another finishing stove tail flange of body of heater, rolling ring seat, rear portion processing back rolling ring seat before the processing of the front portion of body of heater, processing gear ring seat at the middle part of body of heater;
The 4th step; Factory inspection: with the burner flange be connected with converter nose, stove tail flange is connected with the steam chest pipe nipple; With preceding rolling ring seat cooperate with preceding rolling ring, back rolling ring seat cooperates with rolling ring afterwards; Gear ring base is cooperated with gear ring, play the diameter run-out of table look-up converter nose flange, stove tail flange, preceding rolling ring, back rolling ring and gear ring again with dial gauge;
The 5th step, dismounting body of heater segmentation transportation: dismantle fitting after the assay was approved, and take body of heater apart branch two sections shippings;
In the 6th step, on-the-spot Installation and Debugging: after the sectional body of heater was transported to mounting site, saving bolts assemblies with two sections again was that one is debugged each item index;
In the 7th step, connect the segmentation body of heater: after the debugging of each item index was qualified, it was firm with the spot welding of technology gusset on one meter length of body of heater cylindrical, to be uniformly distributed with eight places, and then, docking location carries out symmetrical welding;
The 8th step; Inspection integrality body of heater: the technology of dismantling gusset; Again with preceding rolling ring seat cooperate with preceding rolling ring, back rolling ring seat cooperates with the back rolling ring, and gear ring base is cooperated with gear ring, plays the diameter run-out of table look-up converter nose flange, stove tail flange, preceding rolling ring, rolling ring afterwards and gear ring with dial gauge; After touching the mark, the spiral tube of assembly welding joint; So far, body of heater returns to an integrality again.
Beneficial effect of the present invention: significantly reduced comprehensive cost, solved the problem that working ability is not enough, the lifting rig ability is not enough and transportation is restricted effectively.
< 1>make, be limited by working ability, the segmentation manufacturing can practice thrift general 30,000;
< 2>transportation, the segmentation manufacturing can be practiced thrift about 120,000 for per 1000 kilometers;
< 3>lifting, the segmentation manufacturing can be practiced thrift about 70,000.
Generally speaking, the whole segmentation transportation new solution of making, relative 1000 kilometers haul distances, comparable integral body is in the past made traffic program and is practiced thrift about 220,000.Therefore the present technique scheme has very high applying value.
Description of drawings
Fig. 1 is a body of heater butt joint frock synoptic diagram.
Fig. 2 is a body of heater segmentation synoptic diagram.
Fig. 3 is a butt joint tool structure synoptic diagram.
Fig. 4 is a body of heater assembly structure synoptic diagram.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4; Combined type self soda-returning calcining furnace body of the present invention; Body of heater is connected to form by first body of heater section joint, 1 and second body of heater section joint 2, and an end of first body of heater section joint 1 connects as one through docking frock 3-1 with an end of second body of heater section joint 2; In the first body of heater Duan Jie and the second body of heater Duan Jie, be provided with the relative spiral tube 11 of head and the tail; The other end that is connected with burner flange 8-1, body of heater at an end of body of heater is connected with stove tail flange 8-2, before the front portion of body of heater outside is provided with rolling ring seat 9-1, be provided with back rolling ring seat 9-2 at the rear portion of body of heater outside, the middle part outside body of heater is provided with gear ring base 10.
Butt joint frock 3-1 comprise be located at the first body of heater section save 1 one ends first inside flange 4, be located at second inside flange 5 that the second body of heater section saves 2 one ends; On first inside flange 4 and second inside flange 5, be respectively equipped with the seam 6 and the positioning bolt hole of mutual correspondence, to guarantee proper reset.
The length of the first body of heater section joint 1 of this example is greater than the length of second body of heater section joint 2.
In the specific implementation, can select the scheme of first body of heater section joint length and second body of heater section joint equal in length as the case may be, perhaps select the scheme of first body of heater section joint length less than second body of heater section joint length.
The method of manufacture of above-mentioned combined type self soda-returning calcining furnace body, its step is following:
The first step, welding butt joint frock: with the end of first inside flange, 4 assembly weldings in first body of heater section joint 1, second inside flange, 5 assembly weldings are in an end of second body of heater section joint 2;
In second step, connect body of heater Duan Jie: first inside flange 4 and second inside flange 5 are docked assembling through the seam on it 6, and use tack bolt 7 to pass positioning bolt hole and first body of heater section joint 1 and the second body of heater section are saved 2 to be connected fastening be an integral body;
In the 3rd step, carry out whole processing: at an end finishing stove head flange 8-1, another finishing stove tail flange 8-2 of body of heater, rolling ring seat 9-1, rear portion processing back rolling ring seat 9-2 before the processing of the front portion of body of heater, the processing gear ring seat 10 at the middle part of body of heater;
The 4th step; Factory inspection: with burner flange 8-1 be connected with converter nose, stove tail flange 8-2 is connected with the steam chest pipe nipple; With preceding rolling ring seat 9-1 cooperate with preceding rolling ring, back rolling ring seat 9-2 cooperates with rolling ring afterwards; Gear ring base 10 is cooperated with gear ring, play the diameter run-out of table look-up converter nose flange again with dial gauge, requirement≤2mm; The diameter run-out of stove tail flange, requirement≤0.5mm; The diameter run-out of rolling ring before the inspection, requirement≤0.5mm, back rolling ring≤0.5mm; The diameter run-out of inspection gear ring, requirement≤1mm;
The 5th step, dismounting body of heater segmentation transportation: dismantle fitting after the assay was approved, and take body of heater apart branch two sections shippings;
In the 6th step, on-the-spot Installation and Debugging: after the sectional body of heater was transported to mounting site, saving bolts assemblies with two sections again was that one is debugged each item index;
In the 7th step, connect the segmentation body of heater: after the debugging of each item index was qualified, it was firm with technology gusset 3-2 spot welding on one meter length of body of heater cylindrical, to be uniformly distributed with eight places, and then, docking location carries out symmetrical welding;
The 8th step; Inspection integrality body of heater: the technology of dismantling gusset; Again with preceding rolling ring seat 9-1 cooperate with preceding rolling ring, back rolling ring seat 9-2 cooperates with the back rolling ring, and gear ring base 10 is cooperated with gear ring, plays the diameter run-out of table look-up converter nose flange, stove tail flange, preceding rolling ring, rolling ring afterwards and gear ring again with dial gauge; After reaching described index of the 4th step, the spiral tube 11 of assembly welding joint; So far, body of heater returns to an integrality again.
The present invention successfully is used for the manufacturing of φ 2.8x27m calcining furnace body, transportation, lifting, and for a calcining furnace body, it is considerable that it practices thrift value.
Combined type self soda-returning calcining furnace body of the present invention can be made up of three body of heater Duan Jie, four body of heater Duan Jie or five body of heater section joints, and its mode of connection is identical with the body of heater of two body of heater Duan Jie with method of manufacture.
Claims (5)
1. combined type self soda-returning calcining furnace body; Comprise the burner flange (8-1) that is located at body of heater one end, the stove tail flange (8-2) that is located at the body of heater the other end; Be located at rolling ring seat (9-1) before the forward of body of heater outside, be located at rear portion, body of heater outside back rolling ring seat (9-2), be located at the gear ring base (10) at middle part, body of heater outside, it is characterized in that:
Body of heater is made up of two body of heater section joints at least, and the end of a body of heater Duan Jie connects as one through docking frock with the end of another body of heater Duan Jie; In each body of heater Duan Jie, be provided with spiral tube (11), the corresponding connection of head end of the spiral tube (11) that the tail end of the spiral tube in the last body of heater Duan Jie and a back body of heater Duan Jie who is connected are interior.
2. combined type self soda-returning calcining furnace body as claimed in claim 1; It is characterized in that: body of heater is connected to form by the first body of heater Duan Jie (1) and the second body of heater Duan Jie (2), and the end of the first body of heater Duan Jie connects as one through docking frock (3-1) with the end of the second body of heater Duan Jie; Be located at the corresponding connection of head end of the tail end of the spiral tube (11) in the first body of heater Duan Jie spiral tube (11) interior with establishing the second body of heater Duan Jie.
3. combined type self soda-returning calcining furnace body as claimed in claim 2 is characterized in that: the equal in length of the length of the first body of heater Duan Jie (1) and the second body of heater Duan Jie (2), the length of the first body of heater Duan Jie (1) greater than the length of the second body of heater Duan Jie (2), or the length of the first body of heater Duan Jie (1) less than the length of the second body of heater Duan Jie (2).
4. combined type self soda-returning calcining furnace body as claimed in claim 2; It is characterized in that: described butt joint frock (3-1) comprises first inside flange (4) that is located at the first body of heater Duan Jie (1) one end, second inside flange (5) that is located at the second body of heater Duan Jie (2) one ends; On first inside flange (4) and second inside flange (5), be respectively equipped with the seam (6) and the positioning bolt hole of mutual correspondence, to guarantee proper reset.
5. the method for manufacture of combined type self soda-returning calcining furnace body as claimed in claim 2, its step is following:
The first step, welding butt joint frock: in the end of the first body of heater Duan Jie (1), second inside flange (5) assembly welding is in the end of the second body of heater Duan Jie (2) with first inside flange (4) assembly welding;
Second step; Connect body of heater Duan Jie: first inside flange (4) and second inside flange (5) are docked assembling through the seam on it (6), and passing positioning bolt hole with tack bolt (7), to be connected fastening with the second body of heater Duan Jie (2) the first body of heater Duan Jie (1) be an integral body;
The 3rd step; Carry out whole processing: at an end finishing stove head flange (8-1), another finishing stove tail flange (8-2) of body of heater; Rolling ring seat (9-1), processing back, rear portion rolling ring seat (9-2) before the processing of the front portion of body of heater, the processing gear ring seat (10) at the middle part of body of heater;
The 4th step; Factory inspection: with burner flange (8-1) be connected with converter nose, stove tail flange (8-2) is connected with the steam chest pipe nipple, with preceding rolling ring seat (9-1) cooperate with preceding rolling ring, back rolling ring seat (9-2) cooperates with rolling ring afterwards, gear ring base (10) is cooperated with gear ring; Play the diameter run-out of table look-up converter nose flange, stove tail flange, preceding rolling ring, back rolling ring and gear ring again with dial gauge; Require converter nose flange diameter run-out≤2mm, stove tail flange diameter run-out≤0.5mm, preceding rolling ring diameter run-out≤0.5mm; Back rolling ring diameter run-out≤0.5mm, gear ring diameter run-out≤1mm;
The 5th step, dismounting body of heater segmentation transportation: dismantle fitting after the assay was approved, and take body of heater apart branch two sections shippings;
In the 6th step, on-the-spot Installation and Debugging: after the sectional body of heater was transported to mounting site, saving bolts assemblies with two sections again was that one is debugged each item index;
In the 7th step, connect the segmentation body of heater: after the debugging of each item index was qualified, it was firm with technology gusset (3-2) spot welding on one meter length of body of heater cylindrical, to be uniformly distributed with eight places, and then, docking location carries out symmetrical welding;
The 8th step; Inspection integrality body of heater: the technology of dismantling gusset, again with preceding rolling ring seat (9-1) cooperates with preceding rolling ring, afterwards rolling ring seat (9-2) cooperates with back rolling ring, gear ring base (10) is cooperated with gear ring; Play the diameter run-out of table look-up converter nose flange, stove tail flange, preceding rolling ring, back rolling ring and gear ring with dial gauge; After touching the mark, the spiral tube of assembly welding joint (11) makes body of heater return to integrality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104658 CN101643224B (en) | 2009-08-20 | 2009-08-20 | Combined type self soda-returning calcining furnace body and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104658 CN101643224B (en) | 2009-08-20 | 2009-08-20 | Combined type self soda-returning calcining furnace body and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN101643224A CN101643224A (en) | 2010-02-10 |
| CN101643224B true CN101643224B (en) | 2012-06-20 |
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| CN 200910104658 Expired - Fee Related CN101643224B (en) | 2009-08-20 | 2009-08-20 | Combined type self soda-returning calcining furnace body and manufacturing method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102745723A (en) * | 2012-07-27 | 2012-10-24 | 丁福万 | Internal soda recycling steam calcination kiln |
| CN103042233A (en) * | 2012-12-06 | 2013-04-17 | 湖北双环科技股份有限公司 | Method for quickly repairing surface radial deformation of large rolling ring of steam calcinator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106693A (en) * | 1986-09-16 | 1988-03-30 | 青岛碱厂 | A kind of method and apparatus of self soda-returning |
| CN101245969A (en) * | 2008-03-21 | 2008-08-20 | 自贡鸿鹤化工股份有限公司 | Sealing stove burner for calcined soda steam calcining furnace |
| CN201144148Y (en) * | 2007-07-20 | 2008-11-05 | 唐山三友化工股份有限公司 | Self-return soda ash dense soda ash steam calciner |
-
2009
- 2009-08-20 CN CN 200910104658 patent/CN101643224B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86106693A (en) * | 1986-09-16 | 1988-03-30 | 青岛碱厂 | A kind of method and apparatus of self soda-returning |
| CN201144148Y (en) * | 2007-07-20 | 2008-11-05 | 唐山三友化工股份有限公司 | Self-return soda ash dense soda ash steam calciner |
| CN101245969A (en) * | 2008-03-21 | 2008-08-20 | 自贡鸿鹤化工股份有限公司 | Sealing stove burner for calcined soda steam calcining furnace |
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| CN101643224A (en) | 2010-02-10 |
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