CN114955907B - Device and method for pulling out a mixer in a second stage furnace of a synthesis device - Google Patents
Device and method for pulling out a mixer in a second stage furnace of a synthesis device Download PDFInfo
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- CN114955907B CN114955907B CN202210562647.8A CN202210562647A CN114955907B CN 114955907 B CN114955907 B CN 114955907B CN 202210562647 A CN202210562647 A CN 202210562647A CN 114955907 B CN114955907 B CN 114955907B
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- mixer
- lifting
- furnace body
- wire rope
- pulling
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 36
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003337 fertilizer Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
本发明的将合成设备二段炉中的混合器拉出装置包括：导向丝杆、上拉板、固定螺母、连接螺栓、加长杆、电动油泵、吊钩、支撑螺母、第一钢丝绳、防滑环、数显拉力表、液压顶、支撑板、第二钢丝绳和吊环，支撑板放置在拆掉顶封头和封头衬套的二段炉法兰上，支撑板通过两个对称的连接螺栓固定在二段炉法兰上，四根导向丝杆一端通过固定螺母对称地固定在支撑板上，另一端穿过上拉板并通过支撑螺母固定在上拉板上，液压顶固定在支撑板中央，加长杆一端通过防滑环固定在液压顶上，另一端固定在上拉板上，在加长杆两侧上拉板对称位置上分别装有吊钩，两个吊钩分别通过第一钢丝绳和第二钢丝绳与吊环相连，两个吊环分别与混合器上锥筒吊耳或混合器吊耳相连。
The device for pulling out a mixer in a second-stage furnace of a synthesis device of the present invention comprises: a guide wire rod, an upper pull plate, a fixing nut, a connecting bolt, an extension rod, an electric oil pump, a hook, a supporting nut, a first steel wire rope, an anti-skid ring, a digital tension gauge, a hydraulic jack, a supporting plate, a second steel wire rope and a lifting ring. The supporting plate is placed on the flange of the second-stage furnace with a top seal and a seal bushing removed. The supporting plate is fixed to the flange of the second-stage furnace by two symmetrical connecting bolts. One end of four guide wire rods is symmetrically fixed to the supporting plate by fixing nuts, and the other end passes through the upper pull plate and is fixed to the upper pull plate by supporting nuts. The hydraulic jack is fixed to the center of the supporting plate. One end of the extension rod is fixed to the hydraulic jack by an anti-skid ring, and the other end is fixed to the upper pull plate. Hooks are respectively installed at symmetrical positions of the upper pull plate on both sides of the extension rod. The two hooks are respectively connected to the lifting ring by the first steel wire rope and the second steel wire rope. The two lifting rings are respectively connected to the mixer upper cone lifting ear or the mixer lifting ear.
Description
Technical Field
The invention relates to a mixer pulling device in a two-stage furnace of a synthesis device and a use method, in particular to a device and a method for overhauling and pulling out a mixer of a two-stage furnace, which are more advantageous when the method is applied to pulling out the mixer of the two-stage furnace.
Background
The large-scale project devices such as synthetic ammonia, urea, chemical fertilizer are all installed second section stove equipment according to technology needs, second section stove internally mounted has a blender, refractory castable has been filled in the second section stove inner tube, only 6 mm's clearance (technological requirement) between blender and the second section stove inner tube, in the long-term high temperature combustion's of second section stove process, the blender can damage, need periodic maintenance, change the blender, simultaneously, the second section stove inner tube is through long-term high temperature, can lead to the inner tube to warp, cause inner tube wall and blender outer wall extrusion to be in the same place, the blender is taken out and is overhauld or is difficult to hang out from the second section stove when changing. The traditional mixer is lifted out and adopts a crane to carry out test lifting, so that the lifting risk of unknown lifting weight exists, and if the lifting is unsuccessful, the cost of the crane is increased; or the mixer is cut into more than 2 halves or 2 halves by adopting a grinder by adopting a manual work to enter a two-stage furnace, and because the internal diameter of the mixer is only 600mm, the space is narrow, a worker with a smaller figure needs to be dispatched to enter the operation, but the grinding wheel is closer to the face and the body of the worker in the cutting process, and great safety risks exist at any time. Therefore, the method for overhauling and extracting the mixer of the two-stage furnace has the advantages of convenient installation, safety and control, large lifting load and the like, and can effectively overcome the defects of the traditional method.
Disclosure of Invention
The application aims to solve the problem that the existing mixer cannot be safely pulled out of a two-stage furnace, and provides a mixer pulling device in the two-stage furnace of synthesis equipment and a using method.
In order to achieve the aim of the application, the application adopts the following technical scheme:
The invention relates to a mixer pulling device in a two-stage furnace of synthesis equipment, which comprises: the top head, the head bush, two sections furnace flange and two sections furnace body, two sections furnace flange fix the upper end at two sections furnace body, and the top head is in the same place through head bolt and two sections furnace flange on its circumference, and the head bush dress is between top head and two sections furnace body, and the blender dress is in two sections furnace body cavity, and pull-out device is used for pulling out the blender, and this pull-out device includes: guide screw, upper pulling plate, fixation nut, connecting bolt, extension bar, electric oil pump, lifting hook, supporting nut, first wire rope, anti-slip ring, digital display tension meter, hydraulic ram, backup pad, second wire rope and rings, wherein: the backup pad is placed on tearing open the two sections stove flanges of top head and head bush, open on the backup pad circumference have with two sections stove flange on the same connecting hole, the backup pad passes through two symmetrical connecting bolts to be fixed on two sections stove flanges, four guide screw's one end passes the pull-up plate and fixes on the pull-up plate through support nut, the pull-up plate is in the top of backup pad, hydraulic ram, lifting hook and digital display pulling force table dress are between pull-up plate and backup pad, hydraulic ram fixes in the center of backup pad, the one end of extension rod passes through the antiskid ring to be fixed in hydraulic ram, the other end is fixed on the pull-up plate, electric oil pump is fixed in the center of pull-up plate, link to each other with hydraulic ram through high-pressure hose electric oil pump, be equipped with a lifting hook on the pull-up plate symmetry position of extension rod both sides respectively, two lifting hooks link to each other through first wire rope and digital display pulling force table upper end, open in the symmetrical position department of backup pad both sides has the pull-up hole, the one end of second wire rope is installed at digital display pulling table lower extreme, the other end passes through the lifting eye and links to each other with two lifting lugs through two lifting lugs and two conical cones or lift-up cone, lift the electric oil pump is connected with two lift cone and lift cone, lift-up cone and lift the cylinder in the cylinder from the top to the mixer, lift the cylinder is with the top lift-up cylinder.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: the upper end of the upper pulling plate is welded with a first transverse support, a first longitudinal support and a first inclined support, the two parallel first transverse supports are symmetrically welded at the upper end of the upper pulling plate, the two parallel first longitudinal supports are welded between the two first transverse supports, the two first transverse supports and the first longitudinal support form a square, the diagonal of the square is welded with the first inclined support, the four guide screw rods are respectively provided with an adjustable nut, the adjustable nuts slide along the four guide screw rods and are blocked at the upper ends of the first transverse support, the first longitudinal support and the first inclined support, and the electric oil pump is arranged in the center of the first inclined support.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: the lower end of the supporting plate is welded with a second transverse support, a second longitudinal support and a second inclined support, the two parallel second transverse supports are symmetrically welded at the lower end of the supporting plate, the two parallel second longitudinal supports are welded between the two second transverse supports, the two second longitudinal supports and the two second transverse supports form a square, and the second inclined support is welded on the diagonal line of the square.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: the mixer includes: the conical cylinder is provided with a conical cylinder lifting lug, mixer lifting lugs are arranged on two sides of the upper end of the conical cylinder, the conical cylinder is provided with the center of the cylinder, and the lining and pouring materials are filled between the cylinder and the conical cylinder.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: the first steel wire rope and the second steel wire rope are respectively connected with the upper end and the lower end of the digital display tension meter through clamping rings.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: it also includes: and the limiting ring is fixed in the center of the supporting plate, and the hydraulic jack is fixed in the limiting ring.
The invention relates to a mixer pulling-out device in a two-stage furnace of a synthesis device, wherein: the second-stage furnace of the synthesis equipment is the second-stage furnace of the equipment for synthesizing ammonia, urea or chemical fertilizer.
The invention relates to a method for drawing a mixer from a two-stage furnace of a synthesis plant, wherein: it comprises the following steps:
(a) Removing a head bolt for connecting the top head and the two-section furnace flange, and hoisting away the top head and the head bushing by a crane;
(b) Fixing the two hanging rings of the pulling device with the cone lifting lugs together, and pulling one end of the second steel wire rope upwards out of the two-section furnace;
(c) The pulling-out device is arranged on the two-section furnace flange through a crane, the holes of the connecting bolts on the supporting plate are aligned with the holes of the sealing head bolts of the two-section furnace flange, the connecting bolts penetrate through the two aligned holes, the upper ends and the lower ends of the connecting bolts respectively penetrate through the supporting plate and the two-section furnace flange, and the upper ends and the lower ends of the connecting bolts are respectively fixed on the supporting plate and the two-section furnace flange through nuts;
(d) One end of the second steel wire rope in the step (b) penetrates through the hoisting hole and is fixed at the lower end of the digital display tension meter through the clamping ring;
(e) And starting the electric oil pump, lifting the upper pulling plate by the hydraulic jack through the extension rod, slowly lifting the upper pulling plate along the four guide screw rods, and pulling the cone barrel out of the two-stage furnace through the second steel wire rope, the first steel wire rope and the lifting hook.
The invention relates to a method for drawing a mixer from a two-stage furnace of a synthesis plant, wherein: in the step (b), two hanging rings of the pulling device are fixed with the lifting lug of the mixer, and one end of the second steel wire rope is pulled out of the two-section furnace upwards; and (c) to (e) are carried out, and the cylinder is pulled out of the two-stage furnace through the second steel wire rope, the first steel wire rope and the lifting hook.
The invention relates to a method for drawing a mixer from a two-stage furnace of a synthesis plant, wherein: in the step (e), an operator pays attention to the digital display tension meter at any time, and when the tension of the digital display tension meter is greater than 2/3 of the tension born by the two-stage furnace flange, the electric oil pump is stopped.
Compared with the traditional method of hoisting or manually cutting inside by a crane, the mixer pulling device and the using method in the two-stage furnace of the synthesis equipment have the following advantages:
1. According to the application, a crane is not required to be used for test hoisting, the hoisting load is not clear, the crane is difficult to select, the hoisting tonnage is too small, the mixer cannot be hoisted out, and the crane is wasted due to the too large hoisting tonnage.
2. The application avoids the risk of side turning of the crane caused by undefined hoisting load.
3. The device and the method do not need personnel to enter the mixer to cut by adopting the grinder, and avoid the safety risks caused by mechanical injury, electric shock and limited space operation.
4. The device and the method have the advantages of larger lifting load, unequal 1-100 tons, high economic value, capability of observing the tension value at any time in the use process and safety and control.
5. The device and the method can effectively control the lifting speed of the mixer, and the hydraulic jack can rapidly reduce the pressure at the moment the mixer is pulled out, so that the impact on the supporting plate caused by rapid lifting is prevented.
Drawings
FIG. 1 is a schematic forward view of a mixer pullout apparatus in a two-stage furnace of a synthesis plant in accordance with the present invention;
FIG. 2 is a schematic plan view of the pull-up plate of FIG. 1;
FIG. 3 is a schematic elevation view of the support plate of FIG. 1;
FIG. 4 is a schematic forward view of a two-stage furnace of the synthesis apparatus, with only the upper portion of the two-stage furnace of the synthesis apparatus being shown for clarity;
FIG. 5 is an enlarged forward schematic of the mixer;
FIG. 6 is a schematic forward view of the mixer extractor of the present invention mounted to a two-stage furnace of a synthesis plant, with only the upper portion of the two-stage furnace of the synthesis plant being shown for clarity.
In fig. 1 to 6, reference numeral 1 denotes a pull-out device; reference numeral 2 is a two-section furnace flange; reference numeral 3 is a two-section furnace body; reference numeral 4 is a mixer; reference numeral 5 is a seal head bolt; reference numeral 6 is a top seal head; reference numeral 7 is a seal head bushing; reference numeral 101 is a guide screw; reference numeral 102 is an adjustable nut; reference numeral 103 is a pull-up plate; reference numeral 104 is a fixing nut; reference numeral 105 is a connecting bolt; reference numeral 106 is an extension bar; reference numeral 107 denotes an electric oil pump; reference numeral 108 denotes a high-pressure hose; reference numeral 109 denotes a first cross support; reference numeral 110 is a hook; reference numeral 111 is a support nut; reference numeral 112 is a first wire rope; reference numeral 113 denotes a snap ring; reference numeral 114 denotes an anti-slip ring; reference numeral 115 shows a tension meter; reference numeral 116 is a hydraulic ram; reference numeral 117 is a stop ring; reference numeral 118 is a support plate; reference numeral 119 is a second cross support; reference numeral 120 is a second wire rope; reference numeral 121 denotes a hanging ring; reference numeral 122 is a first diagonal brace; reference numeral 123 is a first longitudinal support; reference numeral 124 is a second diagonal brace; reference numeral 125 denotes a second longitudinal support; reference numeral 126 is a lifting hole; reference numeral 401 is a mixer shackle; reference numeral 402 is a cylinder; reference numeral 403 denotes a bushing and casting material; reference numeral 404 is a cone shackle; reference numeral 405 denotes a cone.
Detailed Description
As shown in FIG. 4, the second-stage furnace of the synthesis equipment is the second-stage furnace of the equipment for synthesizing ammonia, urea or chemical fertilizer. It comprises the following steps: the top end socket 6, the end socket bush 7, the two-section furnace flange 2 and the two-section furnace body 3, wherein the two-section furnace flange 2 is fixed at the upper end of the two-section furnace body 3, the top end socket 6 is fixed with the two-section furnace flange 2 through end socket bolts 5 on the circumference of the top end socket 6, the end socket bush 7 is arranged between the top end socket 6 and the two-section furnace body 3, and the mixer 4 is arranged in the cavity of the two-section furnace body 3.
As shown in fig. 5, the mixer 4 includes: barrel 402, bush and pouring material 403, awl section of thick bamboo lug 404 and awl section of thick bamboo 405, awl section of thick bamboo 405 upper end welding has awl section of thick bamboo lug 404, opens in the both sides of barrel 402 upper end has blender lug 401, and the center of barrel 402 is equipped with to awl section of thick bamboo 405, has bush and pouring material 403 between barrel 402 and awl section of thick bamboo 405.
As shown in fig. 6 and 1, the drawing device 1 is for drawing out the mixer 4, the drawing device 1 including: the guide screw rod 101, the upper pulling plate 103, the fixing nut 104, the connecting bolt 105, the extension rod 106, the electric oil pump 107, the lifting hook 110, the supporting nut 111, the first steel wire rope 112, the anti-slip ring 114, the digital display tension meter 115, the hydraulic ram 116, the limiting ring 117, the supporting plate 118, the second steel wire rope 120 and the lifting ring 121, the supporting plate 118 is placed on the two-section furnace flange 2 with the top sealing head 6 and the sealing head bushing 7 removed, the connecting holes which are the same as those on the two-section furnace flange 2 are arranged on the circumference of the supporting plate 118, the supporting plate 118 is fixed on the two-section furnace flange 2 through the two symmetrical connecting bolts 105, one ends of the four guide screw rods 101 are symmetrically fixed on the supporting plate 118 through the fixing nuts 104, the other ends of the four guide screw rods 101 penetrate through the upper pulling plate 103 and are fixed on the upper pulling plate 103 through the supporting nuts 111, the upper pulling plate 103 is arranged above the supporting plate 118, the hydraulic ram 116, the lifting hook 110 and the digital display tension meter 115 are arranged between the upper pulling plate 103 and the supporting plate 118, the limiting ring 117 is fixed at the center of the supporting plate 118, the hydraulic jack 116 is fixed in the limiting ring 117, one end of the extension bar 106 is fixed on the hydraulic jack 116 through the anti-slip ring 114, the other end is fixed on the upper pulling plate 103, the electric oil pump 107 is fixed at the center of the upper pulling plate 103 and connected with the hydraulic jack 116 through the high-pressure hose 108, the lifting hooks 110 are respectively arranged at symmetrical positions of the upper pulling plate 103 at two sides of the extension bar 106, the two lifting hooks 110 are respectively connected with the upper end of the digital display tension meter 115 through the first steel wire rope 112 and the clamping ring 113, the lifting holes 126 are arranged at symmetrical positions at two sides of the supporting plate 118, one end of the second steel wire rope 120 is arranged at the lower end of the digital display tension meter 115 through the clamping ring 113, the other end is connected with the lifting ring 121 through the lifting holes 126, the two lifting rings 121 are respectively connected with the cone lifting lugs 404 or the mixer lifting lugs 401 on the mixer 4, the electric oil pump 107 is started, the hydraulic ram 116 jacks up the upper pulling plate 103 through the extension rod 106, and under the action of the electric oil pump 107, the upper pulling plate 103 is lifted upwards along the four guide screw rods 101, so that the cone 405 or the cylinder 402 of the mixer 4 is pulled out of the two-stage furnace 3.
As shown in fig. 2, a first transverse support 109, a first longitudinal support 123 and a first inclined support 122 are welded at the upper end of the upper pulling plate 103, two parallel first transverse supports 109 are symmetrically welded at the upper end of the upper pulling plate 103, two parallel first longitudinal supports 123 are welded between the two first transverse supports 109, the two first transverse supports 109 and the first longitudinal support 123 form a square, the first inclined support 122 is welded on the diagonal of the square, adjustable nuts 102 are respectively installed on the four guide screw rods 101, the adjustable nuts 102 slide along the four guide screw rods 101 and are blocked at the upper ends of the first transverse supports 109, the first longitudinal supports 123 and the first inclined support 122, and the electric oil pump 107 is installed at the center of the first inclined support 122.
As shown in fig. 3, a second transverse support 119, a second longitudinal support 125 and a second diagonal support 124 are welded at the lower end of the support plate 118, two parallel second transverse supports 119 are symmetrically welded at the lower end of the support plate 118, two parallel second longitudinal supports 125 are welded between the two second transverse supports 119, the two second longitudinal supports 125 and the two second transverse supports 119 form a square, and the second diagonal support 124 is welded on the diagonal line of the square.
The method for pulling out the mixer from the two-stage furnace of the synthesis equipment comprises the following steps:
(a) Removing the seal head bolts 5 for connecting the top seal head 6 and the two-section furnace flange 2, and hanging away the top seal head 6 and the seal head bushing 7 through a crane;
(b) Two hanging rings 121 of the pulling device 1 are fixed with a cone lifting lug 404, and one end of the second steel wire rope 120 is pulled upwards out of the two-stage furnace 3;
(c) Mounting the pulling-out device 1 on the two-stage furnace flange 2 by a crane, aligning the holes of the connecting bolts 105 on the supporting plate 118 with the holes of the head bolts 5 of the two-stage furnace flange 2, penetrating the connecting bolts 105 between the two aligned holes, respectively penetrating the upper ends and the lower ends of the connecting bolts 105 through the supporting plate 118 and the two-stage furnace flange 2, and respectively fixing the upper ends and the lower ends of the connecting bolts 105 on the supporting plate 118 and the two-stage furnace flange 2 by nuts;
(d) One end of the second steel wire rope 120 in the step (b) passes through the lifting hole 126 and is fixed at the lower end of the digital display tension meter 115 through the clamping ring 113;
(e) And starting the electric oil pump 107, lifting the lifting plate 103 by the hydraulic jack 116 through the extension rod 106, slowly lifting the lifting plate 103 along the four guide screw rods 101, and pulling the cone 405 out of the two-stage furnace 3 through the second steel wire rope 120, the first steel wire rope 112 and the lifting hook 110.
Repeating the above steps, only in the step (b), fixing the two hanging rings 121 of the drawing device 1 and the mixer lifting lug 401 together, and drawing one end of the second wire rope 120 upwards to draw the two-stage furnace 3; then, steps (c) to (e) are performed, and the drum 402 is pulled out of the two-stage furnace 3 through the second wire rope 120, the first wire rope 112 and the hooks 110.
It should be noted that in step (e), the operator pays attention to the digital display tension meter 115 at any time, and stops the electric oil pump 107 when the tension displayed by the digital display tension meter 115 is greater than 2/3 of the tension applied to the two-stage furnace flange 2, so as to prevent the two-stage furnace flange 2 from being pulled out.
The above description is illustrative of the invention and not limiting, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the spirit of the invention.
Claims (8)
1. A mixer pullout device for use in a two-stage furnace of a synthesis apparatus, the two-stage furnace of the synthesis apparatus comprising: the utility model provides a top head (6), seal head bush (7), two sections furnace body flange (2) and two sections furnace body (3), the upper end at two sections furnace body (3) is fixed to two sections furnace body flange (2), top head (6) are together fixed through head bolt (5) on its circumference and two sections furnace body flange (2), seal head bush (7) dress is between top head (6) and two sections furnace body (3), mixer (4) dress is in two sections furnace body (3) cavity, pull-out device (1) are used for pulling out blender (4), this pull-out device (1) include: a guide screw (101), the anti-slip device comprises an upper pulling plate (103), a fixing nut (104), a connecting bolt (105), an extension rod (106), an electric oil pump (107), a lifting hook (110), a supporting nut (111), a first steel wire rope (112), an anti-slip ring (114), a digital display tension meter (115), a hydraulic ram (116), a supporting plate (118), a second steel wire rope (120) and a lifting ring (121), and is characterized in that: the supporting plate (118) is arranged on the two-section furnace body flange (2) with the top sealing head (6) and the sealing head bushing (7) removed, the circumference of the supporting plate (118) is provided with connecting holes which are the same as those on the two-section furnace body flange (2), The supporting plate (118) is fixed on the two-section furnace body flange (2) through two symmetrical connecting bolts (105), one end of the four guide screw rods (101) is symmetrically fixed on the supporting plate (118) through the fixing nuts (104), the other ends of the four guide screw rods (101) penetrate through the upper pulling plate (103) and are fixed on the upper pulling plate (103) through the supporting nuts (111), the upper pulling plate (103) is arranged above the supporting plate (118), the hydraulic jack (116), the lifting hook (110) and the digital display tension meter (115) are arranged between the upper pulling plate (103) and the supporting plate (118), The hydraulic jack (116) is fixed at the center of the supporting plate (118), one end of the extension rod (106) is fixed on the hydraulic jack (116) through the anti-slip ring (114), the other end of the extension rod is fixed on the upper pulling plate (103), the electric oil pump (107) is fixed at the center of the upper pulling plate (103), the electric oil pump (107) is connected with the hydraulic jack (116) through a high-pressure hose (108), the symmetrical positions of the upper pulling plate (103) at two sides of the extension rod (106) are respectively provided with a lifting hook (110), the two lifting hooks (110) are respectively connected with the upper end of the digital display tension meter (115) through a first steel wire rope (112), Lifting holes (126) are formed in symmetrical positions of two sides of the supporting plate (118), one end of the second steel wire rope (120) is arranged at the lower end of the digital display tension meter (115), the other end of the second steel wire rope is connected with the lifting rings (121) by penetrating through the lifting holes (126), the two lifting rings (121) are respectively connected with conical cylinder lifting lugs (404) or mixer lifting lugs (401) on the mixer (4), the electric oil pump (107) is started, the hydraulic jack (116) jacks up the upper pulling plate (103) through the extension rod (106), under the action of the electric oil pump (107), the upper pulling plate (103) is lifted up along the four guide screw rods (101), pulling out a cone (405) or a cylinder (402) of the mixer (4) from the two-stage furnace body (3);
The upper end of the upper pulling plate (103) is also welded with a first transverse support (109), a first longitudinal support (123) and a first inclined support (122), two parallel first transverse supports (109) are symmetrically welded at the upper end of the upper pulling plate (103), two parallel first longitudinal supports (123) are welded between the two first transverse supports (109), the two first transverse supports (109) and the first longitudinal supports (123) form a square, a first inclined support (122) is welded on the diagonal of the square, four guide screw rods (101) are respectively provided with an adjustable nut (102), the adjustable nuts (102) slide along the four guide screw rods (101), and are blocked at the upper ends of the first transverse supports (109), the first longitudinal supports (123) and the first inclined support (122), and an electric oil pump (107) is arranged in the center of the first inclined support (122);
The lower end of the supporting plate (118) is welded with a second transverse support (119), a second longitudinal support (125) and a second inclined support (124), two parallel second transverse supports (119) are symmetrically welded at the lower end of the supporting plate (118), two parallel second longitudinal supports (125) are welded between the two second transverse supports (119), the two second longitudinal supports (125) and the two second transverse supports (119) form a square, and the diagonal of the square is welded with the second inclined support (124).
2. The mixer pulling-out apparatus in a two-stage furnace of a synthesis apparatus according to claim 1, wherein: the mixer (4) comprises: barrel (402), bush and pouring material (403), awl section of thick bamboo lug (404) and awl section of thick bamboo (405), awl section of thick bamboo (405) upper end welding has awl section of thick bamboo lug (404), opens in the both sides of barrel (402) upper end has blender lug (401), and the center of barrel (402) is equipped with to awl section of thick bamboo (405), has bush and pouring material (403) between barrel (402) and awl section of thick bamboo (405).
3. The mixer pulling-out device in a two-stage furnace of a synthesis apparatus according to claim 2, wherein: the first steel wire rope (112) and the second steel wire rope (120) are respectively connected with the upper end and the lower end of the digital display tension meter (115) through clamping rings (113).
4. A mixer pulling-out apparatus in a two-stage furnace of a synthesis apparatus according to claim 3, wherein: it also comprises: and the limiting ring (117) is fixed at the center of the supporting plate (118), and the hydraulic jack (116) is fixed in the limiting ring (117).
5. The mixer pulling-out apparatus in a two-stage furnace of a synthesis apparatus according to claim 4, wherein: the second-stage furnace body of the synthesis equipment is the second-stage furnace body of the chemical fertilizer synthesis equipment.
6. A method for pulling a mixer out of a two-stage furnace of a synthesis apparatus, comprising: use of a mixer withdrawal device according to any one of claims 1 to 5 in a two-stage furnace of a synthesis plant, comprising the steps of:
(a) Removing a seal head bolt (5) for connecting the top seal head (6) and the two-section furnace body flange (2), and hanging away the top seal head (6) and the seal head bushing (7) through a crane;
(b) Two hanging rings (121) of the pulling device (1) are fixed with the cone lifting lugs (404), and one end of the second steel wire rope (120) is pulled out of the two-section furnace body (3) upwards;
(c) The pulling-out device (1) is arranged on the two-section furnace body flange (2) through a crane, the holes of the connecting bolts (105) on the supporting plate (118) are aligned with the holes of the end socket bolts (5) of the two-section furnace body flange (2), the connecting bolts (105) penetrate between the two aligned holes, the upper ends and the lower ends of the connecting bolts (105) penetrate through the supporting plate (118) and the two-section furnace body flange (2) respectively, and the upper ends and the lower ends of the connecting bolts (105) are fixed on the supporting plate (118) and the two-section furnace body flange (2) respectively through nuts;
(d) One end of the second steel wire rope (120) in the step (b) passes through the lifting hole (126) and is fixed at the lower end of the digital display tension meter (115) through the clamping ring (113);
(e) And starting the electric oil pump (107), lifting the upper pulling plate (103) by the hydraulic jack (116) through the extension rod (106), slowly lifting the upper pulling plate (103) along the four guide screw rods (101), and pulling the cone (405) out of the two-section furnace body (3) through the second steel wire rope (120), the first steel wire rope (112) and the lifting hook (110).
7. The method of pulling a mixer from a two-stage furnace of a synthesis apparatus according to claim 6, wherein: in the step (b), two hanging rings (121) of the pulling device (1) are fixed with a lifting lug (401) of the mixer, and one end of a second steel wire rope (120) is pulled upwards to be pulled out of a two-section furnace body (3); then, the steps (c) to (e) are carried out, and the cylinder (402) is pulled out of the two-stage furnace body (3) through the second steel wire rope (120), the first steel wire rope (112) and the lifting hook (110).
8. The method of pulling a mixer from a two-stage furnace of a synthesis apparatus according to claim 6 or 7, wherein: in the step (e), an operator pays attention to the digital display tension meter (115) at any time, and when the tension of the digital display tension meter (115) is greater than 2/3 of the tension born by the two-section furnace body flange (2), the electric oil pump (107) is stopped.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927957A (en) * | 2010-08-23 | 2010-12-29 | 中国一冶集团有限公司 | Method for hoisting flue bent pipe of coke oven |
| CN204848057U (en) * | 2015-01-14 | 2015-12-09 | 山西恒诚管业有限公司 | Fluidization technology work piece movement system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102359744A (en) * | 2011-10-28 | 2012-02-22 | 李恒杰 | Backdraft multi-return heat storage energy-saving furnace for hearth coaxial staged combustion center |
| CN214167082U (en) * | 2020-12-16 | 2021-09-10 | 中化二建集团有限公司 | Special lifting device for pressure vessel |
| CN216471744U (en) * | 2021-12-28 | 2022-05-10 | 兖矿济宁化工装备有限公司 | Lifting appliance for hoisting elliptical head |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927957A (en) * | 2010-08-23 | 2010-12-29 | 中国一冶集团有限公司 | Method for hoisting flue bent pipe of coke oven |
| CN204848057U (en) * | 2015-01-14 | 2015-12-09 | 山西恒诚管业有限公司 | Fluidization technology work piece movement system |
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