CN111347009B - Environment-friendly special furnace for melting EPS lost foam - Google Patents
Environment-friendly special furnace for melting EPS lost foam Download PDFInfo
- Publication number
- CN111347009B CN111347009B CN202010364039.7A CN202010364039A CN111347009B CN 111347009 B CN111347009 B CN 111347009B CN 202010364039 A CN202010364039 A CN 202010364039A CN 111347009 B CN111347009 B CN 111347009B
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- China
- Prior art keywords
- fixed
- door
- plate
- connecting pipeline
- purifier
- Prior art date
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- 238000002844 melting Methods 0.000 title claims abstract description 82
- 230000008018 melting Effects 0.000 title claims abstract description 82
- 239000006260 foam Substances 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 121
- 239000010959 steel Substances 0.000 claims abstract description 121
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000003197 catalytic effect Effects 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000003595 mist Substances 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 239000000155 melt Substances 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract 4
- 239000011819 refractory material Substances 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000002309 gasification Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010115 full-mold casting Methods 0.000 description 2
- 238000010114 lost-foam casting Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/043—Removing the consumable pattern
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids or removable covers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a melt special stove of environmental protection of EPS lost foam, includes melting device and purifier, purifier includes water smoke spray clarifier, winnowing dust remover, sack cleaner, active carbon adsorption case, light oxygen catalytic cleaner and the draught fan that sets gradually from right to left, connects gradually through the pipeline between water smoke spray clarifier, winnowing dust remover, sack cleaner, active carbon adsorption case, light oxygen catalytic cleaner and the draught fan, melting device includes the melting furnace body, and the left and right sides of melting furnace body all is equipped with the lift structure, is equipped with the furnace gate on the lift structure, and the outside of lift structure all is equipped with the removal hearth; the driving device, the water mist spray purifier, the winnowing dust remover, the cloth bag dust remover, the activated carbon adsorption box, the photo-oxygen catalytic purifier, the induced draft fan, the radiation heating pipe and the steel wire rope winch are all powered on and connected with the controller. The invention purifies harmful gas after gasification and improves the production quality of EPS lost foam.
Description
Technical Field
The invention belongs to the technical field of precision casting industrial equipment, and particularly relates to an environment-friendly special furnace for melting an EPS lost foam.
Background
The EPS lost foam casting (also called full mold casting) is full mold casting of a foam plastic mold by adopting a dry sand without an adhesive and a vacuum pumping technology, wherein foam models with the size and the shape similar to those of castings are bonded and combined into a model cluster, are coated with fireproof paint and dried, are buried in the dry quartz sand for vibration molding, are poured under negative pressure, so that the models are gasified, liquid metal occupies the positions of the models, and are solidified and cooled to form castings. Compared with the traditional casting technology, the novel casting method has the characteristics of 1, good casting quality and low cost; 2. the material is not limited, and the size is suitable; 3. the dimensional accuracy is high, the surface is smooth, and cleaning is reduced; 4. internal defects are greatly reduced, and the tissue is compact; 5. the large-scale and mass production can be realized, and the automatic assembly line is environment-friendly; 7. can greatly improve the working environment, reduce the labor intensity and reduce the energy consumption.
The development of the current EPS lost foam casting process is limited mainly because: firstly, the existing casting technology of the EPS vanishing mould is that after the shell is manufactured, the EPS vanishing mould is required to be conveyed into a high-temperature melting furnace, EPS foam plastic in the mould shell is completely melted, and the mould shell is discharged, so that the high-quality mould shell is obtained; then, the temperature field in the existing melting furnace is uneven, so that EPS vanishing mold residues remain in the mold shell to different degrees, and the casting quality is seriously affected; secondly, in the process of melting the EPS vanishing mould, the existing melting furnace only processes the residues flowing out from the mould shell, and can not carry out harmless treatment on harmful gas of the EPS vanishing mould gasified in the melting furnace, but adopts a powerful exhaust fan to discharge the harmful gas from a workshop to the outdoor atmosphere, so that the EPS vanishing mould is seriously polluted to the atmosphere, and is not environment-friendly.
Disclosure of Invention
The invention provides an environment-friendly special furnace for melting EPS vanishing molds, which aims to solve the problems of nonuniform temperature field and atmospheric pollution of the existing EPS vanishing mold melting furnace, and comprises a melting device and a purifying device, wherein the purifying device comprises a water mist spray purifier, a winnowing dust remover, a cloth bag dust remover, an activated carbon adsorption box, a photo-oxygen catalytic purifier and an induced draft fan which are sequentially arranged from right to left, and the water mist spray purifier, the winnowing dust remover, the cloth bag dust remover, the activated carbon adsorption box, the photo-oxygen catalytic purifier and the induced draft fan are sequentially connected through pipelines. The pipeline includes first connecting pipeline, second connecting pipeline, third connecting pipeline, fourth connecting pipeline, fifth connecting pipeline, sixth connecting pipeline and vapor discharge pipe, the one end of first connecting pipeline is located the melting furnace top to through the ring flange with the last induced air exit linkage of melting furnace, the other end of first connecting pipeline is located the lower extreme that the water smoke sprayed the clarifier, and is connected with the water smoke spraying the clarifier through the ring flange. One end of the second connecting pipeline is positioned at the top end of the water mist spraying purifier and is connected with the water mist spraying purifier through a flange plate, and the other end of the second connecting pipeline is positioned at the upper end of the winnowing dust collector and is connected with the winnowing dust collector through the flange plate. One end of the third connecting pipe is positioned at the top end of the winnowing dust collector and connected with the winnowing dust collector through a flange plate, and the other end of the third connecting pipe is positioned at the lower end of the bag-type dust collector and connected with the bag-type dust collector through a flange plate. One end of the fourth connecting pipeline is positioned at the top end of the bag-type dust collector and is connected with the bag-type dust collector through a flange plate, and the other end of the fourth connecting pipeline is positioned at one side surface of the activated carbon adsorption box and is connected with the activated carbon adsorption box through the flange plate. One end of the fifth connecting pipeline is positioned on the other side face of the activated carbon adsorption box and is connected with the activated carbon adsorption box through a flange plate, and the other end of the fifth connecting pipeline is positioned on one side face of the photo-oxygen catalytic purifier and is connected with the photo-oxygen catalytic purifier through the flange plate. The sixth connecting pipeline is positioned on the other side face of the photo-oxygen catalytic purifier, is connected with the photo-oxygen catalytic purifier through the flange plate, and the other end of the sixth connecting pipeline is positioned on one side face of the induced draft fan and is connected with the air inlet of the induced draft fan through the flange plate. The water vapor discharge pipe is positioned at the top end of the induced draft fan and is connected with an air outlet of the induced draft fan through the flange, and clean gas which is treated and purified and has no pollution is discharged into the atmosphere from the water vapor discharge pipe.
The melting device comprises a melting furnace body, lifting structures are arranged on the left side and the right side of the melting furnace body, furnace doors are arranged on the lifting structures, and movable hearths are arranged on the outer sides of the lifting structures.
The melting furnace body comprises a furnace body support which is symmetrically arranged front and back, the furnace body support comprises two support horizontal steel plates which are horizontally arranged at intervals, a plurality of support vertical steel plates which are vertically arranged at intervals are fixed between the two support horizontal steel plates, and the bottom ends of the front side steel plates and the back side steel plates are respectively fixed on the corresponding horizontal steel plates. The frame structure of falling "U" type is fixed with on the horizontal steel sheet, and frame structure includes front side steel sheet and the rear side steel sheet that the symmetry set up, and the bottom of front side steel sheet and rear side steel sheet corresponds respectively and fixes the top at the furnace body support, the top of front side steel sheet and rear side steel sheet is equipped with the top layer steel sheet, the bottom of top layer steel sheet respectively with the top of front side steel sheet and the top fixed connection of rear side steel sheet, be fixed with the strengthening rib strip that the interval set up on the surface of top layer steel sheet, front side steel sheet and rear side steel sheet, the strengthening rib strip has improved frame structure's intensity. The utility model discloses a solar energy heat insulation system, including front side steel sheet, rear side steel sheet, frame construction's inner wall, the outer surface fixation of front side steel sheet and rear side steel sheet has the power terminal, be equipped with adiabatic refractory material on frame construction's the inner wall, adiabatic refractory material is asbestos refractory plate stack and forms, all has offered a concave square groove of adiabatic refractory material on the vertical adiabatic refractory material of front and back both sides, can dismantle through the radiant heating pipe fixed column in the concave square groove of adiabatic refractory material and be fixed with the radiant heating pipe of a plurality of vertical settings, the outside of the radiant heating pipe of both sides all is fixed with the vertical air-equalizing plate of vertical setting through the air-equalizing plate mounting, the below of top layer adiabatic refractory material also can dismantle through the air-equalizing plate mounting and be fixed with the horizontal air-equalizing plate. The top layer steel plate is provided with an induced air outlet, an air blower mounting hole and an air blower fixing hole respectively, the air blower is mounted at the air blower mounting hole and is fixed on the top layer steel plate through the air blower fixing hole, an air outlet of the air blower is communicated with the air blower mounting hole and corresponds to the air blower mounting hole, a top cylindrical air blowing hole is formed in the heat insulating refractory material of the top layer, wind blown by the air blower can be uniformly input into the melting furnace body through the top cylindrical air blowing hole, a top air homogenizing plate hole is formed in the horizontal air homogenizing plate, and the wind speed entering the melting furnace body is more uniform through the horizontal air homogenizing plate.
The lifting structure wraps two upright posts which are vertically and symmetrically arranged, each upright post is respectively and correspondingly fixed at the front and rear ends of the melting furnace body, a slide way is arranged on the inner side of each upright post, each slide way comprises slide way baffles fixed at the upper end and the lower end of each upright post, each slide way baffle is fixed on the inner side of each upright post, and a slide way is formed between each slide way baffle and each upright post. The bottom of two stands is equipped with the horizontal frame in top, the horizontal frame in top includes two parallel and the top rectangular tube that the level set up, is fixed with the short side pipe in top that the even interval set up between the rectangular tube in two tops, constitutes the horizontal frame in top of "day" style of calligraphy between the long side pipe in top and the short side pipe in top. The bottom of the top transverse frame is fixed with the top of two posts respectively, a first fixed pulley is assembled at one end of the top transverse frame, a second fixed pulley and a third fixed pulley which are arranged in parallel are assembled at the other end of the top transverse frame respectively, the first fixed pulley, the second fixed pulley and the third fixed pulley are fixed on two long square tubes through supporting shafts, the third fixed pulley is arranged on the outer side of the second fixed pulley, and the first fixed pulley, the second fixed pulley and the third fixed pulley are positioned on the same straight line, so that the stress of the three is more uniform. A wire rope winch is arranged right below the transverse frame provided with the third fixed pulley, the wire rope winch is fixed on the ground through a winch supporting frame, a movable pulley is arranged between the wire rope winch and the third fixed pulley, a wire rope is arranged between the wire rope winch and the movable pulley, one end of the wire rope is fixed on the fixed end of the wire rope winch, and the other end of the wire rope winds around the movable pulley and is wound on a winding drum of the wire rope winch. The movable pulley is fixed on the movable pulley support, a hook is fixed at the top end of the movable pulley support, two steel wire ropes are arranged on the hook, one of the steel wire ropes respectively bypasses the third fixed pulley, the second fixed pulley and the first fixed pulley in sequence, then the other steel wire rope vertically downwards (fixedly connected with a lifting lug on one side of the furnace door) sequentially bypasses the third fixed pulley and the second fixed pulley, and then vertically downwards (fixedly connected with a lifting lug on the other side of the furnace door). The upper end outsides of two stands can dismantle the limit switch that is fixed with the level setting, and limit switch can be spacing to the rise or the height that descends of furnace gate, has avoided the emergence of accident, has strengthened the security.
The door comprises a left door and a right door, the structures of the left door and the right door are identical, the right door comprises two door shell side plates which are vertically and symmetrically arranged, door shell transverse plates which are horizontally arranged are fixed on the upper end face and the lower end face of each door shell side plate, a rectangular frame is formed by encircling the door shell side plates and the door shell transverse plates, a door shell vertical plate is fixed in the rectangular frame, a plurality of parallel rectangular pipes for doors which are arranged at intervals are fixed on the outer surface of the door shell vertical plate, and a plurality of parallel short square pipes for doors which are arranged at intervals are fixed between the two rectangular pipes for doors. The arrangement of the long square tube for the door and the short square tube for the door enhances the strength of the furnace door. The two door shell transverse plates, the two door shell side plates and the door shell vertical plate form a groove structure, and the groove structure is filled with heat-insulating refractory materials. The lifting lugs for the door are symmetrically fixed on the two side plates of the door shell, the lifting lugs for the door are respectively and correspondingly and vertically connected with the steel wire ropes downwards, guide wheels are arranged at the upper end and the lower end of the side plates of the door shell, the guide wheels are correspondingly assembled in a slideway of a lifting structure, the guide wheels can freely roll up and down in the slideway, namely, under the traction of the steel wire ropes, the furnace door can freely move up and down. The thickness of the heat insulation refractory material filled in the groove structure is larger than the width of the transverse plate of the door shell; the side walls of the vertical plates of the door shells of the left furnace door and the right furnace door are fixedly provided with limit switch baffles corresponding to limit switches at the upper ends of the stand columns, the limit switch baffles facilitate the touch of the limit switches, and when the limit switches touch the baffles, the lifting or the descending of the furnace door is stopped immediately.
The movable hearth comprises two steel rails which are arranged in parallel, the steel rails penetrate through a melting furnace body, a movable left movable hearth and a movable right movable hearth are arranged on the steel rails, the structures of the left movable hearth and the right movable hearth are identical, the right movable hearth comprises a rectangular groove type movable lathe bed, a plurality of rollers are arranged at the bottom end of the rectangular groove type movable lathe bed of the left movable hearth and are respectively in rolling fit with the top ends of the steel rails, and the rectangular groove type movable bed body can freely move on a track. The outer end of the left moving hearth is fixed with a driving device, and the outer end of the right moving hearth is fixed with a driving device which provides power for the moving operation of the left moving hearth and the right moving hearth. The length of the steel rail is greater than the sum of the lengths of the melting furnace body, the left moving hearth and the right moving hearth, so that the left moving trolley and the right moving trolley can have enough displacement space on the steel rail, and the working requirement can be met. The length of the rectangular groove type movable lathe bed is larger than the sum of the length of the melting furnace body, the thickness of the left furnace door and the thickness of the right furnace door, and the arrangement can meet the working requirement, so that the EPS lost foam on the groove type moving bed is ensured to be completely positioned in the melting furnace body.
The driving device, the water mist spray purifier, the winnowing dust remover, the cloth bag dust remover, the activated carbon adsorption box, the photo-oxygen catalytic purifier, the induced draft fan, the radiant heating pipe, the steel wire rope winch and the limit switch are all connected with a power supply and connected with the controller.
The driving device, the water mist spray purifier, the winnowing dust remover, the cloth bag dust remover, the activated carbon adsorption box, the photo-oxygen catalytic purifier, the induced draft fan, the radiant heating pipe, the steel wire rope winch and the limit switch are all in the prior art (commercial products).
The first connecting pipeline, the second connecting pipeline, the third connecting pipeline, the fourth connecting pipeline, the fifth connecting pipeline, the sixth connecting pipeline, the steam discharge pipe, the rectangular groove type movable lathe bed, the radiant heating pipe fixing column, the vertical air equalizing plate, the top layer horizontal air equalizing plate and the air equalizing plate fixing piece are made of stainless steel materials.
The adoption of the scheme has the following advantages:
1. The setting of melting furnace can carry out even high temperature treatment to EPS lost foam for the foam plastics on the EPS lost foam is clean thoroughly melts, discharges the shell to obtain high quality mould shell.
2. The lifting structure can provide automatic lifting power for the furnace door, so that the furnace door can be automatically opened and closed, and the safety performance is enhanced.
3. The setting of furnace gate can be when heating EPS vanishing mould, separates sealed melting furnace body and external world, has avoided the loss of melting furnace internal heat.
4. The EPS vanishing mould to be treated can be alternately conveyed into the melting furnace body for high-temperature treatment by the arrangement of the left moving hearth and the right moving hearth.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic view showing a front view of a melting furnace;
FIG. 3 is a schematic view of a left-hand structure of a melting furnace;
FIG. 4 is a schematic view showing a front view of a melting furnace body;
FIG. 5 is a schematic top view of a melting furnace body;
FIG. 6 is a schematic top view of a left moving hearth;
FIG. 7 is a schematic top view of the right moving hearth;
FIG. 8 is a schematic perspective view of a right moving hearth;
FIG. 9 is a schematic cross-sectional view of the right moving hearth;
FIG. 10 is a schematic perspective view of a lifting structure;
FIG. 11 is a schematic perspective view of a top beam frame;
FIG. 12 is a schematic view of the front view of the column;
FIG. 13 is a schematic perspective view of a right door;
FIG. 14 is a schematic diagram of a right door in a perspective view;
FIG. 15 is a schematic view of the D-D sectional structure of the right oven door;
FIG. 16 is a schematic perspective view of a furnace body support;
FIG. 17 is a schematic perspective view of a melting furnace body;
FIG. 18 is a schematic view of a cross-sectional A-A structure of a furnace body of the melting furnace;
FIG. 19 is a schematic view showing a B-B sectional structure of a melting furnace body;
FIG. 20 is a schematic view of a C-C sectional structure of a melting furnace body.
Reference numerals: 1. a melting furnace; 2. a first connecting pipe; 3. a water mist spray purifier; 4. a second connecting pipe; 5. a wind separation dust remover; 6. a third connecting pipe; 7. a bag-type dust collector; 8. a fourth connecting pipe; 9. an activated carbon adsorption tank; 10. a fifth connecting pipe; 11. a photo-oxygen catalytic purifier; 12. a sixth connecting pipe; 13. an induced draft fan; 14. a water vapor discharge pipe; 100. moving the hearth left; 101. moving the hearth right; 102. a melting furnace body; 103. a lifting structure; 104. a left furnace door; 105. a right furnace door; 106. a power supply terminal; 107. a blower; 108. an induced air outlet; 109. a refractory brick facing; 110. a radiant heating pipe; 111. a radiant heating pipe fixing column; 112. a blower mounting hole; 113. a blower fixing hole; 114. reinforcing ribs; 115. a top cylindrical air blowing hole; 116. concave square grooves of heat-insulating refractory materials; 117. a top air plate hole; 118. rectangular groove type movable lathe bed; 119. a driving device; 1010. a steel rail; 1011. a roller; 1020. a heat insulating refractory material; 1021. a top layer steel plate; 1022. a front steel plate; 1023. a rear steel plate; 1024. a furnace body bracket; 1025. a bracket horizontal steel plate; 1026. a bracket vertical steel plate; 1027. vertical air equalizing plates; 1028. a horizontal air equalizing plate; 1029. a wind equalizing plate fixing piece; 1030. a top transverse frame; 1031. a wire rope; 1032. a first fixed pulley; 1033. a second fixed pulley; 1034. a third fixed pulley; 1035. a wire rope hoist; 1036. a movable pulley; 1037. a column; 1038. a slideway; 1039. a slideway baffle; 1040. a top rectangular tube; 1041. a top short square tube; 1050. rectangular tube for door; 1051. a short square tube for a door; 1052. lifting lugs for doors; 1053. a guide wheel; 1054. a door housing side panel; 1055. a door housing cross plate; 1056. door housing risers; 1057. limit switch baffle; 1058. and a limit switch.
Detailed Description
As shown in fig. 1-20, an environment-friendly special furnace for melting an EPS lost foam comprises a melting device and a purifying device, wherein the purifying device comprises a water mist spray purifier 3, a winnowing dust remover 5, a cloth bag dust remover 7, an activated carbon adsorption box 9, a photo-oxygen catalytic purifier 11 and an induced draft fan 13 which are sequentially arranged from right to left, and the water mist spray purifier 3, the winnowing dust remover 5, the cloth bag dust remover 7, the activated carbon adsorption box 9, the photo-oxygen catalytic purifier 11 and the induced draft fan 13 are sequentially connected through pipelines. The pipeline includes first connecting pipe 2, second connecting pipe 4, third connecting pipe 6, fourth connecting pipe 8, fifth connecting pipe 10, sixth connecting pipe 12 and vapor discharge pipe 14, the one end of first connecting pipe 2 is located the top of melting furnace 1 to be connected with the induced air export 108 on the melting furnace 1 through the ring flange, the other end of first connecting pipe 2 is located the lower extreme that water smoke sprays the clarifier 3, and is connected with water smoke sprays the clarifier 3 through the ring flange. One end of the second connecting pipeline 4 is positioned at the top end of the water mist spraying purifier 3 and is connected with the water mist spraying purifier 3 through a flange, and the other end of the second connecting pipeline 4 is positioned at the upper end of the winnowing dust remover 5 and is connected with the winnowing dust remover 5 through a flange. One end of the third connecting pipe 6 is positioned at the top end of the winnowing dust remover 5 and is connected with the winnowing dust remover 5 through a flange plate, and the other end of the third connecting pipe is positioned at the lower end of the cloth bag dust remover 7 and is connected with the cloth bag dust remover 7 through the flange plate. One end of the fourth connecting pipeline 8 is positioned at the top end of the bag-type dust collector 7 and is connected with the bag-type dust collector 7 through a flange plate, and the other end of the fourth connecting pipeline 8 is positioned on one side surface of the activated carbon adsorption box 9 and is connected with the activated carbon adsorption box 9 through the flange plate. One end of the fifth connecting pipeline 10 is positioned on the other side surface of the activated carbon adsorption box 9 and is connected with the activated carbon adsorption box 9 through a flange, and the other end of the fifth connecting pipeline 10 is positioned on one side surface of the photo-oxygen catalytic purifier 11 and is connected with the photo-oxygen catalytic purifier 11 through the flange. The sixth connecting pipeline 12 is located on the other side face of the photo-oxygen catalytic cleaner 11 and is connected with the photo-oxygen catalytic cleaner 11 through a flange, and the other end of the sixth connecting pipeline 12 is located on one side face of the induced draft fan 13 and is connected with an air inlet of the induced draft fan 13 through the flange. The water vapor discharge pipe 14 is positioned at the top end of the induced draft fan 13 and is connected with an air outlet of the induced draft fan 13 through a flange, and the clean gas which is purified and pollution-free is discharged into the atmosphere from the water vapor discharge pipe 14.
The melting device comprises a melting furnace body 102, lifting structures 103 are arranged on the left side and the right side of the melting furnace body 102, furnace doors are assembled on the lifting structures 103, and movable hearths are arranged on the outer sides of the lifting structures 103.
The melting furnace body 102 includes two furnace body supports 1024 that the symmetry set up around, furnace body supports 1024 include two support horizontal steel plates 1025 that upper and lower level interval set up, are fixed with the vertical steel plate 1026 of support that a plurality of vertical interval set up between two support horizontal steel plates 1025, the bottom of front side steel plate 1022 and rear side steel plate 1023 is fixed respectively on rather than corresponding support horizontal steel plate 1025. The frame structure that is fixed with the "U" of falling on the horizontal steel sheet 1025 of support, frame structure is including the front side steel sheet 1022 and the rear side steel sheet 1023 that the symmetry set up, and the bottom of front side steel sheet 1022 and rear side steel sheet 1023 corresponds the top of fixing at furnace body support 1024 respectively, the top of front side steel sheet 1022 and rear side steel sheet 1023 is equipped with top layer steel sheet 1021, the bottom of top layer steel sheet 1021 respectively with the top of front side steel sheet 1022 and the top fixed connection of rear side steel sheet 1023, be fixed with the strengthening rib 114 that the interval set up on the surface of top layer steel sheet 1021, front side steel sheet 1022 and rear side steel sheet 1023, strengthening rib 114 has improved frame structure's intensity. The external surface of front side steel sheet 1022 and rear side steel sheet 1023 is fixed with power terminal 106, be equipped with adiabatic refractory 1020 on the inner wall of frame construction, adiabatic refractory 1020 is that asbestos refractory stacks forms, all offers a adiabatic refractory 1020 concave square groove 116 on the vertical adiabatic refractory 1020 of front and back both sides, can dismantle through radiant heating pipe fixed column 111 in the concave square groove 116 of adiabatic refractory 1020 and be fixed with the radiant heating pipe 110 of a plurality of vertical settings, the outside of radiant heating pipe 110 of both sides all is fixed with the vertical air-equalizing plate 1027 of vertical setting through air-equalizing plate mounting 1029, the below of top layer adiabatic refractory 1020 also can dismantle through air-equalizing plate mounting 1029 and be fixed with horizontal air-equalizing plate 1028. The top layer steel plate 1021 is provided with an induced air outlet 108, an air blower mounting hole 112 and an air blower fixing hole 113 respectively, the air blower 107 is assembled at the air blower mounting hole 112, the air blower 107 is fixed on the top layer steel plate 1021 through the air blower fixing hole 113, an air outlet of the air blower 107 is communicated with the air blower mounting hole 112 and corresponds to the air blower mounting hole 112, a top cylindrical air blowing hole 115 is formed in a heat insulating refractory material 1020 of the top layer, the top cylindrical air blowing hole 115 enables wind blown by the air blower 107 to be uniformly input into the melting furnace body 102, a top air homogenizing plate hole 117 is formed in a horizontal air homogenizing plate 1028, and the wind speed entering the melting furnace body 102 is more uniform due to the horizontal air homogenizing plate 1028.
The lifting structure 103 wraps two vertical columns 1037 which are vertically and symmetrically arranged, each vertical column 1037 is respectively and correspondingly fixed at the front and rear ends of the melting furnace body 102, a slide way 1038 is arranged on the inner side of each vertical column 1037, each slide way 1038 comprises a slide way baffle 1039 fixed at the upper end and the lower end of each vertical column 1037, each slide way baffle 1039 is fixed on the inner side of each vertical column, and a slide way 1038 is formed between each slide way baffle 1039 and each vertical column 1037. The bottom of two stand posts 1037 is equipped with the top transverse frame 1030, the top transverse frame 1030 includes two parallel and horizontally arranged top rectangular tubes 1040, is fixed with the short square tube 1041 in top that even interval set up between two top rectangular tubes 1040, constitutes the top transverse frame 1030 of "day" style of calligraphy between top rectangular tube 1040 and the short square tube 1041 in top. The bottom of top transverse frame 1030 is fixed with the top of both posts 1037 respectively, the one end of top transverse frame 1030 is equipped with first fixed pulley 1032, and the other end of top transverse frame 1030 is equipped with parallel arrangement's second fixed pulley 1033 and third fixed pulley 1034 respectively, first fixed pulley 1032, second fixed pulley 1033 and third fixed pulley 1034 are all fixed on two rectangular pipes through the back shaft, third fixed pulley 1034 sets up in the outside of second fixed pulley 1033, and first fixed pulley 1032, second fixed pulley 1033 and third fixed pulley 1034 are located same straight line, set up like this and make the atress of three more even. A wire rope winch 1035 is arranged right below the transverse frame provided with the third fixed pulley 1034, the wire rope winch 1035 is fixed on the ground through a winch supporting frame, a movable pulley 1036 is arranged between the wire rope winch 1035 and the third fixed pulley 1034, a wire rope 1031 is arranged between the wire rope winch 1035 and the movable pulley 1036, one end of the wire rope 1031 is fixed on the fixed end of the wire rope winch 1035, and the other end of the wire rope 1031 bypasses the movable pulley 1036 and is wound on a winding drum of the wire rope winch 1035. The movable pulley 1036 is fixed on a movable pulley 1036 support, a hook is fixed at the top end of the movable pulley 1036 support, two steel wire ropes 1031 are arranged on the hook, one steel wire rope 1031 respectively and sequentially bypasses the third fixed pulley 1034, the second fixed pulley 1033 and the first fixed pulley 1032, then vertically downward (fixedly connected with a lifting lug on one side of the furnace door) and the other steel wire rope 1031 sequentially bypasses the third fixed pulley 1034 and the second fixed pulley 1033, and then vertically downward (fixedly connected with a lifting lug on the other side of the furnace door). The upper end outsides of the two upright posts 1037 can be detachably fixed with a limit switch 1058 which is horizontally arranged, the limit switch 1058 can limit the ascending or descending height of the furnace door, the occurrence of accidents is avoided, and the safety is enhanced.
The door comprises a left door 104 and a right door 105, the structures of the left door 104 and the right door 105 are identical, the right door 105 comprises two door shell side plates 1054 which are vertically and symmetrically arranged, door shell transverse plates 1055 which are horizontally arranged are fixed on the upper end face and the lower end face of the door shell side plates 1054, rectangular frames are formed by encircling the door shell side plates 1054 and the door shell transverse plates 1055, door shell risers 1056 are fixed in the rectangular frames, a plurality of parallel and spaced rectangular pipes 1050 for doors are fixed on the outer surfaces of the door shell risers 1056, and a plurality of parallel and spaced rectangular short square pipes 1051 for doors are fixed between the two door rectangular pipes 1050. The arrangement of the rectangular door tube 1050 and the short door tube 1051 enhances the strength of the oven door. The two door shell cross plates 1055, the two door shell side plates 1054, and the door shell riser 1056 form a channel-type configuration that is filled with insulating refractory material 1020. Door hanging lugs 1052 are symmetrically fixed on the two door shell side plates 1054, the door hanging lugs 1052 are respectively and correspondingly and vertically connected with the steel wire ropes 1031 downwards, guide wheels 1053 are arranged at the upper end and the lower end of the door shell side plates, the guide wheels 1053 are correspondingly assembled in the slide way 1038 of the lifting structure 103, the guide wheels 1053 can freely roll up and down in the slide way 1038, namely, under the traction of the steel wire ropes 1031, the furnace door can freely move up and down. The thickness of the insulating refractory 1020 filled in the channel configuration is greater than the width of the door housing cross plate 1055; the side walls of the door shell risers of the left furnace door 104 and the right furnace door 105 are fixedly provided with limit switch baffles 1057 corresponding to limit switches 1058 at the upper ends of the upright posts 1037, the limit switch baffles 1057 facilitate the touch of the limit switches 1058, and when the limit switches 1058 touch the baffles, the lifting or the descending of the furnace door is stopped immediately.
The movable hearth comprises two steel rails 1010 which are arranged in parallel, the steel rails 1010 penetrate through the melting furnace body 102, the steel rails 1010 are provided with a movable left movable hearth 100 and a movable right movable hearth 101, the structures of the left movable hearth 100 and the right movable hearth 101 are identical, the right movable hearth 101 comprises a rectangular groove type movable lathe bed 118, the bottom end of the rectangular groove type movable lathe bed 118 of the left movable hearth 100 is provided with a plurality of rollers 1011, and the rollers 1011 are respectively in rolling fit with the top ends of the steel rails 1010, so that the rectangular groove type movable lathe bed 118 can freely move on a track. The outer end of the left moving hearth is fixed with a driving device 119, the outer end of the right moving hearth is fixed with a driving device 119, and the driving device 119 provides power for the moving operation of the left moving hearth 100 and the right moving hearth 101. The length of the steel rail 1010 is larger than the sum of the lengths of the melting furnace body 102, the left moving hearth 100 and the right moving hearth 101, so that the left moving hearth 100 and the right moving hearth 101 can have enough displacement space on the steel rail 1010, and the working requirement can be met. The length of the rectangular groove-shaped movable lathe bed 118 is larger than the sum of the length of the melting furnace body 102, the thickness of the left furnace door 104 and the thickness of the right furnace door 105, and the arrangement can meet the working requirement, so that the EPS vanishing mold on the groove-shaped moving bed is ensured to be completely positioned in the melting furnace body 102.
The driving device 119, the water mist spray purifier 3, the winnowing dust remover 5, the cloth bag dust remover 7, the activated carbon adsorption box 9, the photo-oxygen catalytic cleaner 11, the induced draft fan 13, the radiation heating pipe 110, the steel wire rope winch 1035 and the limit switch 1058 are all connected with a power supply and are connected with the controller.
The driving device 119, the water mist spray purifier 3, the winnowing dust remover 5, the cloth bag dust remover 7, the activated carbon adsorption box 9, the photo-oxygen catalytic cleaner 11, the induced draft fan 13, the radiation heating pipe 110, the steel wire rope winch 1035 and the limit switch 1058 are all in the prior art (commercial products).
The first connecting pipe 2, the second connecting pipe 4, the third connecting pipe 6, the fourth connecting pipe 8, the fifth connecting pipe 10, the sixth connecting pipe 12, the steam discharge pipe 14, the rectangular groove type movable lathe bed 118, the radiant heating pipe fixing column 111, the vertical air equalizing plate 1027, the top horizontal air equalizing plate 1028 and the air equalizing plate fixing piece 1029 are made of stainless steel materials.
The using process comprises the following steps:
When the invention is used, firstly, the prepared EPS vanishing mould shells are respectively placed on the left moving hearth 100 and the right moving hearth 101, the right moving hearth 101 moves on the steel rail 1010 under the action of the driving device 119, when the right moving hearth 101 moves into the melting furnace body 102, the steel wire rope winch 1035 is started, the steel wire rope 1031 winding drum of the steel wire rope winch 1035 is pulled to simultaneously pull the left furnace door 104 and the right furnace door 105 to move downwards under the driving of the steel wire rope winch 1035, the roller 1011 on the left furnace door 104 and the right furnace door 105 rolls in the slideway 1038, when the left furnace door 104 and the right furnace door 105 move to the lowest position, the limit switch 1058 on the furnace door touches the limit switch 1058 arranged at the lower part of the upright post 1037 as a plate, the limit switch 1058 transmits an electric signal to the controller, and the controller controls the wire rope winch 1035 to stop rotating, namely the left furnace door 104 and the right furnace door 105 stop falling, and the left furnace door 104, the right furnace door 105 and the melting furnace body 102 form a closed space. When the power is on, the radiant heating pipe 110 in the melting furnace body 102 is started, the blower 107 is started, wind enters the melting furnace body 102 from the cylindrical blowing hole 115 at the top, meanwhile, under the combined action of the horizontal air equalizing plate 1028 and the vertical air equalizing plate 1027, the temperature of the melting furnace body 102 is equalized, and when the temperature reaches a certain value, EPS foam plastic in the mould shell is completely melted and gasified at high temperature and is discharged out of the mould shell. Starting a purifying device, under the action of an induced draft fan 13, enabling gas to be purified in a melting furnace body 102 to pass through a first connecting pipeline 2, a water mist spray purifier 3, a second connecting pipeline 4, a winnowing dust remover 5, a third connecting pipeline 6, a cloth bag dust remover 7, a fourth connecting pipeline 8, an activated carbon adsorption box 9, a fifth connecting pipeline 10, a photo-oxygen catalytic purifier 11, a sixth connecting pipeline 12 and the induced draft fan 13 in sequence, discharging the purified gas to the atmosphere through a water vapor discharge pipe 14, starting a steel wire rope winch 1035 after impurities in an EPS disappearance mould in the melting furnace body 102 are completely treated, and driving the steel wire rope winch 1035, the drum of the wire rope 1031 of the wire rope hoist 1035 pulls the left furnace door 104 and the right furnace door 105 to move upwards simultaneously, the rollers 1011 on the left furnace door 104 and the right furnace door 105 roll in the slideway 1038, when the left furnace door 104 and the right furnace door 105 move to the highest position, the limit switch 1058 on the furnace door touches the limit switch 1058 arranged on the upper part of the upright post 1037 as a plate, the limit switch 1058 transmits an electric signal to the controller, the controller controls the wire rope hoist 1035 to stop rotating, namely the left furnace door 104 and the right furnace door 105 stop rising, the driving device 119 is started, and moving the right moving hearth 101, moving the right moving hearth 101 out of the melting furnace body 102, starting the left moving hearth 100, moving the EPS vanishing mould to be treated into the melting furnace body 102 for treatment, and entering the next cycle.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (6)
1. The utility model provides a special stove of environment-friendly that melts EPS lost foam, includes melting device and purifier, purifier includes spray water purifier, winnowing dust remover, sack cleaner, active carbon adsorption case, photo-oxygen catalytic cleaner and the draught fan that sets gradually from right to left, spray water purifier, winnowing dust remover, sack cleaner, active carbon adsorption case, photo-oxygen catalytic cleaner and draught fan between connect gradually through the pipeline, its characterized in that: the melting device comprises a melting furnace body, lifting structures are arranged on the left side and the right side of the melting furnace body, furnace doors are arranged on the lifting structures, and movable hearths are arranged on the outer sides of the lifting structures;
The melting furnace body comprises a front furnace body support and a rear furnace body support which are symmetrically arranged, wherein the top end of the furnace body support is fixedly provided with an inverted U-shaped frame structure, the frame structure comprises a front steel plate and a rear steel plate which are symmetrically arranged, the bottom ends of the front steel plate and the rear steel plate are respectively and correspondingly fixed at the top end of the furnace body support, the top ends of the front steel plate and the rear steel plate are provided with a top steel plate, and the bottom ends of the top steel plate are respectively and fixedly connected with the top ends of the front steel plate and the rear steel plate; the inner wall of the frame structure is provided with heat-insulating refractory materials, the vertical heat-insulating refractory materials on the front side and the rear side are respectively provided with a heat-insulating refractory material concave square groove, a plurality of vertically arranged radiant heating pipes are detachably fixed in the heat-insulating refractory material concave square grooves, the outer sides of the radiant heating pipes on the two sides are respectively fixed with a vertical air-equalizing plate, and the lower part of the top layer heat-insulating refractory material is fixed with a horizontal air-equalizing plate; an air inducing outlet and an air blower mounting hole are respectively formed in the top layer steel plate, an air blower is assembled at the air blower mounting hole, an air outlet of the air blower is communicated with the air blower mounting hole, the air blower mounting hole corresponds to the air blower mounting hole, a top cylindrical air blowing hole is formed in the heat insulating refractory material of the top layer, and a top air homogenizing plate hole is formed in the horizontal air homogenizing plate;
The lifting structure wraps two upright posts which are vertically and symmetrically arranged, each upright post is respectively and correspondingly fixed at the front and rear end parts of the melting furnace body, and slide ways are arranged at the inner sides of the upright posts; the bottom ends of the two upright posts are provided with top transverse frames, the bottom ends of the top transverse frames are respectively fixed with the top ends of the two upright posts, one end of each top transverse frame is provided with a first fixed pulley, the other end of each top transverse frame is respectively provided with a second fixed pulley and a third fixed pulley which are arranged in parallel, each third fixed pulley is arranged on the outer side of each second fixed pulley, and the first fixed pulleys, the second fixed pulleys and the third fixed pulleys are positioned on the same straight line; a steel wire rope winch is arranged right below the transverse frame provided with the third fixed pulley, a movable pulley is arranged between the steel wire rope winch and the third fixed pulley, steel wire ropes are arranged between the steel wire rope winch and the movable pulley, a hook is arranged on the movable pulley, two steel wire ropes are arranged on the hook, one steel wire rope respectively and sequentially bypasses the third fixed pulley, the second fixed pulley and the first fixed pulley and then vertically downwards, and the other steel wire rope sequentially bypasses the third fixed pulley and the second fixed pulley and then vertically downwards;
The door comprises a left door and a right door, the structures of the left door and the right door are completely the same, the right door comprises two door shell side plates which are vertically and symmetrically arranged, door shell transverse plates which are horizontally arranged are fixed on the upper end face and the lower end face of each door shell side plate, each door shell side plate and each door shell transverse plate enclose a rectangular frame, a door shell vertical plate is fixed in each rectangular frame, each two door shell transverse plates, each two door shell side plates and each door shell vertical plate form a groove-shaped structure, and heat insulation refractory materials are filled in each groove-shaped structure; the two door shell side plates are symmetrically and fixedly provided with door lifting lugs, the door lifting lugs are respectively and fixedly connected with corresponding vertical downward steel wire ropes, guide wheels are arranged at the upper end and the lower end of the door shell side plates, the guide wheels are correspondingly assembled in a slideway of a lifting structure, and the guide wheels can freely roll up and down in the slideway;
The movable hearth comprises two steel rails which are arranged in parallel, the steel rails bypass a melting furnace body, a movable left movable hearth and a movable right movable hearth are arranged on the steel rails, the structures of the left movable hearth and the right movable hearth are identical, and the right movable hearth comprises a rectangular groove type movable lathe bed; the outer end of the left moving hearth is fixed with a driving device, and the outer end of the right moving hearth is fixed with a driving device;
The driving device, the water mist spray purifier, the winnowing dust remover, the cloth bag dust remover, the activated carbon adsorption box, the photo-oxygen catalytic purifier, the induced draft fan, the radiation heating pipe and the steel wire rope winch are all powered on and connected with the controller;
the furnace body support comprises two support horizontal steel plates which are arranged at an upper horizontal interval and a lower horizontal interval, a plurality of support vertical steel plates which are arranged at vertical intervals are fixed between the two support horizontal steel plates, and the bottom ends of the front side steel plate and the rear side steel plate are respectively fixed on the corresponding horizontal steel plates.
2. An environment-friendly special furnace for melting EPS lost foam as set forth in claim 1, wherein: the pipeline comprises a first connecting pipeline, a second connecting pipeline, a third connecting pipeline, a fourth connecting pipeline, a fifth connecting pipeline, a sixth connecting pipeline and a steam discharge pipe, one end of the first connecting pipeline is positioned above the melting furnace and is connected with an induced air outlet on the melting furnace through a flange plate, and the other end of the first connecting pipeline is positioned at the lower end of the water mist spray purifier and is connected with the water mist spray purifier through the flange plate; one end of the second connecting pipeline is positioned at the top end of the water mist spraying purifier, is connected with the water mist spraying purifier through a flange plate, and the other end of the second connecting pipeline is positioned at the upper end of the winnowing dust collector and is connected through the flange plate; one end of the third connecting pipeline is positioned at the top end of the winnowing dust collector and is connected with the winnowing dust collector through a flange plate, and the other end of the third connecting pipeline is positioned at the lower end of the bag-type dust collector and is connected with the bag-type dust collector through the flange plate; one end of the fourth connecting pipeline is positioned at the top end of the bag-type dust collector and is connected with the bag-type dust collector through a flange plate, and the other end of the fourth connecting pipeline is positioned at one side surface of the activated carbon adsorption box and is connected with the activated carbon adsorption box through the flange plate; one end of the fifth connecting pipeline is positioned on the other side surface of the activated carbon adsorption box and is connected with the activated carbon adsorption box through a flange plate, and the other end of the fifth connecting pipeline is positioned on one side surface of the photo-oxygen catalytic purifier and is connected with the photo-oxygen catalytic purifier through the flange plate; the sixth connecting pipeline is positioned on the other side surface of the photo-oxygen catalytic purifier, is connected with the photo-oxygen catalytic purifier through a flange plate, and the other end of the sixth connecting pipeline is positioned on one side surface of the induced draft fan and is connected with an air inlet of the induced draft fan through the flange plate; the steam discharge pipe is positioned at the top end of the induced draft fan and is connected with an air outlet of the induced draft fan through the flange plate.
3. An environment-friendly special furnace for melting EPS lost foam as claimed in claim 2, wherein: the slideway comprises slideway baffles fixed at the upper end and the lower end of the upright post, the slideway baffles are fixed at the inner side of the upright post, and a slideway is formed between the slideway baffles and the upright post; the top transverse frame comprises two parallel top long square pipes which are horizontally arranged, a top short square pipe which is uniformly arranged at intervals is fixed between the two top long square pipes, a top transverse frame in a Chinese character 'ri' shape is formed between the top long square pipe and the top short square pipe, and the first fixed pulley, the second fixed pulley and the third fixed pulley are all fixed on the two long square pipes through supporting shafts; and a limit switch which is horizontally arranged is detachably fixed on the outer sides of the upper ends of the two upright posts.
4. An environment-friendly special furnace for melting an EPS lost foam according to claim 3, characterized in that: a plurality of parallel rectangular pipes for doors which are arranged at intervals are fixed on the outer surface of the vertical plate of the door shell, and a plurality of parallel short square pipes for doors which are arranged at intervals are fixed between the two rectangular pipes for doors; the thickness of the heat insulation refractory material filled in the groove structure is larger than the width of the transverse plate of the door shell; and limit switch baffles corresponding to limit switches at the upper ends of the stand columns are fixed on the side walls of the vertical plates of the door shells of the left furnace door and the right furnace door.
5. An environment-friendly special furnace for melting an EPS lost foam as set forth in claim 4, wherein: the bottom end of the rectangular groove type movable lathe bed of the left movable hearth is provided with a plurality of rollers which are respectively in rolling fit with the top end of the steel rail; the length of the steel rail is larger than the sum of the lengths of the melting furnace body, the left moving hearth and the right moving hearth; the length of the rectangular groove type movable lathe bed is larger than the sum of the length of the melting furnace body, the thickness of the left furnace door and the thickness of the right furnace door.
6. An environment-friendly special furnace for melting an EPS lost foam as set forth in claim 5, wherein: the heat insulation refractory material is formed by overlapping asbestos refractory plates.
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| US6619373B1 (en) * | 2002-04-25 | 2003-09-16 | General Motors Corporation | Lost foam casting apparatus for reducing porosity and inclusions in metal castings |
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| CN213256953U (en) * | 2020-04-30 | 2021-05-25 | 河南天缘精工模具有限公司 | Environment-friendly special furnace for melting EPS (expandable polystyrene) lost foam |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086383A (en) * | 2016-08-16 | 2016-11-09 | 宁波萨科森工业科技有限公司 | A kind of Novel aluminium foil annealing furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6619373B1 (en) * | 2002-04-25 | 2003-09-16 | General Motors Corporation | Lost foam casting apparatus for reducing porosity and inclusions in metal castings |
| CN105798229A (en) * | 2016-04-11 | 2016-07-27 | 文华学院 | Rotatable vertical molding machine for evaporative pattern casting |
| CN207119514U (en) * | 2017-08-30 | 2018-03-20 | 临澧县新安耐磨材料制造有限责任公司 | A kind of Novel lost foam japanning fixing device |
| CN213256953U (en) * | 2020-04-30 | 2021-05-25 | 河南天缘精工模具有限公司 | Environment-friendly special furnace for melting EPS (expandable polystyrene) lost foam |
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Address after: 453000 West of Xiaoyangzhuang Village, Jingba Road, Xinxiang Economic and Technological Development Zone, Xinxiang, Henan Province Applicant after: Henan Tianyuan Seiko mould Co.,Ltd. Address before: 453000 west of xiaoyangzhuang village, Jingba Road, economic and Technological Development Zone, Xinxiang City, Henan Province Applicant before: Henan Tianyuan Seiko Mould Co.,Ltd. |
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