CN104526860A - Over-ground kiln type steam curing workshop with precast sleeper - Google Patents
Over-ground kiln type steam curing workshop with precast sleeper Download PDFInfo
- Publication number
- CN104526860A CN104526860A CN201410740456.1A CN201410740456A CN104526860A CN 104526860 A CN104526860 A CN 104526860A CN 201410740456 A CN201410740456 A CN 201410740456A CN 104526860 A CN104526860 A CN 104526860A
- Authority
- CN
- China
- Prior art keywords
- steaming maintaining
- maintaining vehicle
- steam
- air
- steam curing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses an over-ground kiln type steam curing workshop with a precast sleeper. The over-ground kiln type steam curing workshop comprises a color steel board room (1), a temperature control system and a transportation system, the temperature control system is arranged in the color steel board room, the transportation system is mounted on the inner side and the outer side of the color steel board room (1) to control entering and exiting of the sleeper (2), the color steel board room (1) comprises a plurality of independent steam curing workshops (3), the temperature control system comprises an electronic temperature measuring probe (5), a steam curing pipeline (6), an induced draught fan (7), an exhausting device (8), a sprayer (9) and a pressurizing water pump device (10), and the transportation system comprises a winch (15), a fixed pulley (16), a mould carriage (17) and a steel rail (18). The over-ground kiln type steam curing workshop is simple in construction technology, the requirements of a mould entering and exiting device of the steam curing workshop are low, four complete steam curing stages can be independently finished, a temperature rise/reduction curve meets temperature control requirements, surface cracks caused by too high temperature rise/reduction rate are effectively decreased, and product quality is ensured.
Description
Technical field
The present invention relates to sleeper prefabricating and constructing field, particularly relate between the kiln formula steaming maintaining vehicle of a kind of sleeper prefabricated full ground.
Background technology
The steam-cured of sleeper is the necessary links ensureing sleeper quality, and the steam-cured prefabricated speed greatly accelerating sleeper, improves the turnover rate of mould, thus accelerate project progress.Simultaneously steam-cured technology has larger superiority in temperature controls, quality guarantee etc., MINly reduces the prefabricated degree of restraint being subject to season of sleeper.Current domestic application mainly contains form between two kinds of steaming maintaining vehicles comparatively widely: channel-type maintenance and semi-underground pit maintenance.The steam-cured form of channel-type not easily ensures that 4 steam-cured stages (quietly to stop, heat up, constant temperature, cooling) reach the temperature curve of standard, strict curing temperature region separation is not had because channel-type is steam-cured, the requirement that lifting/lowering temperature speed is not more than 15 DEG C/h can not be met in the heating, cooling stage, or due to lifting/lowering temperature speed too fast and cause the generation of face crack, or lifting/lowering temperature speed is crossed slow and affects production efficiency.Though the steam-cured defect that can make up channel-type steam curing process of semi-underground pit, need cheat in underground excavation maintenance, and configure one and be specifically designed to the equipment picking and placeing mould, therefore fund input is larger; As adopted overhead traveling crane to pick and place mould, workman needs to have assisted in hole, and working security can not ensure.
Summary of the invention
The present invention, so the technical problem solved is to provide between the kiln formula steaming maintaining vehicle of a kind of sleeper prefabricated full ground, overcomes the defect existing for form between existing steaming maintaining vehicle.
The present invention for the adopted technical scheme that solves the problem is:
Between the kiln formula steaming maintaining vehicle of a kind of sleeper prefabricated full ground, comprise color steel room, temperature control system and transportation system; Described color steel room comprises between some steaming maintaining vehicles; It is inner that described temperature control system is located at color steel room; Described transportation system comprises some hoist engines, directed pulley, fortune mould dolly, steel track; The middle position, beginning place side between each steaming maintaining vehicle is located at respectively by described hoist engine, and is connected with the directed pulley being installed on offside by steel wire rope; Described steel track laying is on steam-cured mill floor and extend to corresponding hoist engine place; Described fortune mould dolly to be located on steel track and to be connected with steel wire rope.
Between described steaming maintaining vehicle, exit is provided with two fan clamshell doors, often fans door and is made up of gemel connection door-plate by two panels is folding, contour between the height of door and steaming maintaining vehicle; Between described each steaming maintaining vehicle, both sides, top offer an air inlet and an air outlet respectively.
Described temperature control system comprises electronic temperature measurement head, steam-cured pipeline, air-introduced machine, air exhausting device, shower nozzle and booster water pump device; Described electronic temperature measurement head is respectively equipped with height in each steaming maintaining vehicle, front and back diverse location being connected with temperature controlled compartment; Every 2 of described steam-cured pipeline is layed on steam-cured mill floor, and the auto temperature controlled system in temperature controlled compartment controls the steam flow of steam-cured pipeline by electromagnetic valve; Described air inlet is located at top between each steaming maintaining vehicle and is all respectively established a place, installs air-introduced machine and carries out opening and closing, open the extraneous Cryogenic air of rear introducing; Described air outlet is located at top between each steaming maintaining vehicle and is respectively established a place, and by air exhausting device opening and closing, some steam-cured air outlets are connected in series by air channel, drain into beyond between production, to reach cooling object; Described air-introduced machine is all connected with temperature controlled compartment with the electromagnetic switch of air exhausting device; Described shower nozzle divides two rows to be located at color steel top, and shower nozzle is connected with water tank by booster water pump device.
Between described steaming maintaining vehicle, wall board material selects color steel, and surrounding adopts glass cement to do encapsulation process.
Described steel track line end face and grade contour; A ditch be communicated with main ditch, outdoor is reserved with in the middle of indoor railway line.
Described hoist engine is provided with dolly backstop.
The present invention adopts the technique effect achieved by technique scheme to be:
The first, each steam-cured independently divided, each steam-cured temperature control does not interfere with each other, can complete independently 4 complete steam-cured stage, make lifting/lowering temperature curve meet temperature requirements, effectively less due to lifting/lowering temperature speed too fast and cause the generation of face crack, ensure that product quality.
The second, construction technology is simple, and low to steam-cured mould equipment requirement of coming in and going out, ordinary gantry hangs, transport mould dolly and hoist engine, has greatly saved and has built a cost, and ensure that safety problem in construction.
Three, utilize vapours, ventilation blower, shower water to make temperature control medium, temperature adjustment is sensitiveer, and temperature control is standard more.
Four, because each steam-cured is independently small-sized, in the sleeper demoulding and enter kiln link and can not interfere with each other, operation construction is more compact; Small-sized steam-cured more steam-cured per tour quietly can stop the stage and to save time 1h steam-cured, adds work efficiency.
figure explanation
Below in conjunction with accompanying drawing, the invention will be further described
Fig. 1 is floor plan of the present invention
Fig. 2 is left view of the present invention
Wherein, 1-color steel room plate, 2-sleeper, between 3-steaming maintaining vehicle, 4-clamshell doors, 5-electronic temperature measurement head, the steam-cured pipeline of 6-, 7-air-introduced machine, 8-air exhausting device, 9-shower nozzle, 10-booster water pump device, 11-air inlet, 12-air outlet, 13-temperature controlled compartment, 14-water tank, 15-hoist engine, the directed pulley of 16-, 17-transports mould dolly, 18-steel track, 19-steel wire rope, 20-dolly backstop, 21-auto temperature controlled system, 22-water pipe, 23-temperature controlled compartment
Detailed description of the invention
Between the kiln formula steaming maintaining vehicle of the prefabricated full ground of a kind of sleeper as Figure 1-Figure 2, comprise color steel room 1, temperature control system and transportation system; Described color steel room 1 to comprise between some steaming maintaining vehicles 3; It is inner that described temperature control system is located at color steel room; Described transportation system comprises some hoist engines 15, directed pulley 16, fortune mould dolly 17, steel track 18; The middle position, beginning place side of between each steaming maintaining vehicle 3 is located at respectively by described hoist engine 15, and is connected with the directed pulley 16 being installed on offside by steel wire rope 19; Described steel track 18 to be layed between steaming maintaining vehicle on 3 ground and to extend to corresponding hoist engine 15 place; Described fortune mould dolly 17 to be located on steel track 18 and to be connected with steel wire rope 19.Adopt this transportation system, before steam-cured operation, sleeper 2 can complete and stow on the fortune mould dolly 17 of outdoor, pulling sleeper on dolly 2 to draw between steaming maintaining vehicle and carry out steam curing conservation then by hoist engine 15, after completing maintenance, by oppositely pulling of hoist engine 15, fortune mould dolly 17 can be pulled out color steel room 1, this mode overcomes in the maintenance of conventional channels formula and semi-underground pit maintenance needs being moved into by sleeper of artificial mechanism to take out of, save a large amount of manpower and materials, improve maintenance working (machining) efficiency.
Between steaming maintaining vehicle, 3 is independently divided, each steam-cured temperature control can not interfere with each other, between the steam-cured stage steaming maintaining vehicle of complete independently 4,3 exits are provided with two fan clamshell doors 4, often fan door to be made up of gemel connection door-plate by two panels is folding, contour between the height of door and steaming maintaining vehicle, the space taken after two group of 4 clamshell doors can reduce enabling, reduces to close in steam-cured shopwork producing interference; Both sides, portion, described color steel roof have air inlet 11 and air outlet 12, go out air intake vent and be located at both sides, top respectively, when color steel room 1 is built towards determining according to local climate wind direction, make air intake vent towards monsoon direction, extraneous wind-force can be utilized effectively to improve air flow rate, improve cooling-down effect; Set up going out air intake vent the high temperature gas flow of air outlet 12 also can being avoided the impact of air inlet 11 of both sides separately simultaneously.
Temperature control system comprises electronic temperature measurement head 5, steam-cured pipeline 6, air-introduced machine 7, air exhausting device 8, shower nozzle 9 and booster water pump device 10; Described electronic temperature measurement head 5 is respectively equipped with height in each steaming maintaining vehicle, front and back diverse location being connected with temperature controlled compartment 13, because sleeper 2 piles high piling up at dolly, differing heights position between steaming maintaining vehicle arranges electronic temperature measurement head, is convenient to staff and monitors the sleeper maintenance temperature of differing heights and adjust in real time; Every 2 of described steam-cured pipeline 6 to be layed between steaming maintaining vehicle on 3 ground, temperature controlled compartment 13 controls the steam flow of steam-cured pipeline 5 by electromagnetic valve 14, by steam-cured pipe laying on bottom surface, sleeper can be made fully can both to contact steam by the convection action up and down of air and carry out maintenance.Air inlet 11 is located at top between each steaming maintaining vehicle and is respectively established a place, and realizes unlatching one by air-introduced machine 7 and close; Air outlet 12 is located at 1 top between each steaming maintaining vehicle and is respectively established a place, realizes unlatching one close by air exhausting device 8, and some steam-cured exhaust steams are discharged beyond between production by air channel series connection is unified; Air channel adopts the thick iron sheet of 2mm to make and is of a size of 50cm (length) x50cm (wide) x50cm (height), adopts air-introduced machine to draw outside workshop by steam at duct outlet place; Described air-introduced machine 7 is all connected with temperature controlled compartment 13 with the electromagnetic switch of air exhausting device 8; 9 point two, described shower nozzle row is located at top, color steel room 1, and shower nozzle 9 is connected with water tank 14 by booster water pump device 10.The effect of air-introduced machine 7 and air exhausting device 8 is all the air circulations for accelerating between steaming maintaining vehicle, accelerates cooling; The effect of shower nozzle 9 is also lower the temperature by spraying water at low temperature to sleeper 2.
Between steaming maintaining vehicle, 3 wall board materials select color steel, color steel have lightweight, intensity is high and the good result of heat-insulation and heat-preservation, is convenient to the installing/dismounting of board house, improve maintenance effect; Surrounding adopts glass cement to do encapsulation process, can prevent steam from leaking outside.
Steel track 18 railway line end face and grade contour, because steel track 18 is laid in color steel room 1 and extends to outdoor hoist engine 15 place, railway line end face and grade be contour can avoid transporting mould dolly 17 problem because of the poor run-off the straight of ground level and collision when passing in and out board house; Be reserved with a ditch be communicated with main ditch, outdoor in the middle of indoor railway line, reserved little ditch is become owner of side by side in ditch to be collected in the steam current that color steel wall condenses.
Hoist engine 15 is provided with dolly backstop 20, because the sleeper quantity that fortune mould dolly 17 delivers is many, weight is high, and inertia is large, arranges dolly backstop 20 and can not be damaged damage by protection hoist engine 15 when transporting mould dolly 17 and cannot braking in time.
Between each steaming maintaining vehicle, 3 by this cover production system 1 hourly output determination capacity, deposit 3 fortune mould dollies 17,5 molds piled up by each dolly, 3 little automobile-used hook connectings connect, can divide and can connect, adopt hoist engine 15 fortune mould dolly 17 to be drawn in or pulled out between steaming maintaining vehicle outside 3, between steaming maintaining vehicle, carry out piling up and handling of mould outside 3; Each steam-cured interior ground is laid 2 steam-cured pipelines 6 and is used as maintenance, end face laying 2 row's spray facilities and air exhausting device 8 are used as the supplementary means of sleeper temperature-fall period.Between some steaming maintaining vehicles, 3 are arranged side by side in side, maintenance district, between steaming maintaining vehicle 3 quantity by steam-cured circulation timei overall length, sleeper field designs day output and template number is determined, be advisable between 10 ~ 15, and notice that maintenance area size should meet and arrange between enough steaming maintaining vehicles.
Detailed technology scheme of the present invention is as follows:
Between each steaming maintaining vehicle, 3 to be built by the color steel that 8cm is thick and form, between each steaming maintaining vehicle, 3 are of a size of: long 6m × wide 3.5m × high 2.7m, at its front width, clamshell doors 4 that 4 fan overall widths are 3.5m (every 2 fans be 1 open) is set, 3 contour between the height of door and steaming maintaining vehicle, steam-cured build after do encapsulation process at surrounding glass cement.
Each steam-cured ground adopts P43 rail to lay long fortune mould dolly 17 railway line of 2 12m, railway line end face and grade contour.A reserved wide 30cm in the middle of indoor railway line, the ditch of dark 30cm, this ditch is communicated with outdoor main ditch, is used as outside steam-cured water and shower water discharge chamber.
Each steam-cured in front of the door 6m middle position fix a 2T hoist engine 15, directed pulley 16 is fixed in door the outer 1m position of face wall simultaneously, bottom punches 30cm × 30cm, steel wire rope of windlass 19 is by being wound on directed pulley 16, by starting hoist engine 15 forward or backwards, realize fortune mould dolly 17 to draw in or pull out.
Each steam-cured inherent height, front and back diverse location arrange three electronic temperature measuring devices, connect, realize real time temperature measurement with temperature controlled compartment.Arrange 2 row Φ 20mm PPR water pipe altogether at top board left and right sides, and 8 shower nozzles 9 are installed, being used as spraying cooling, in order to make spray nebulize, booster pump being installed by water tank.An air exhausting device 8 is installed at each steam-cured top, air exhausting device 8 electromagnetic valve switch is connected with auto temperature controlled system, by temperature control system exhausting device capable of automatically controlling 8 switch, by the temperature program set, treat that sleeper 2 maintenance is automatically opened to temperature-fall period or closes, to ensure that cooling rate meets regulation requirement, simultaneously can manually opened spray equipment auxiliary to do.
The steam-cured pipeline 6 of each steam-cured ground configuration 2, electromagnetic valve connects with auto temperature controlled system, by On/Off steam escape valve and the size adjusting quantity of steam, ensures that steam curing temperature meets the temperature program requirement of setting.
It should be noted that above-mentioned detailed description of the invention of the present invention only for exemplary illustration or explain that this uses novel principle, and be not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and amendment.
Claims (6)
1., between a sleeper prefabricated full ground kiln formula steaming maintaining vehicle, it is characterized in that: comprise color steel room (1), temperature control system and transportation system; Described color steel room (1) comprises (3) between some steaming maintaining vehicles; It is inner that described temperature control system is located at color steel room; Described transportation system comprises some hoist engines (15), directed pulley (16), fortune mould dolly (17), steel track (18); The middle position, beginning place side of (3) between each steaming maintaining vehicle is located at respectively by described hoist engine (15), and is connected with the directed pulley (16) being installed on offside by steel wire rope (19); Described steel track (18) to be layed between steaming maintaining vehicle on (3) ground and to extend to corresponding hoist engine (15) place; Described fortune mould dolly (17) is located at steel track (18) and is gone up and be connected with steel wire rope (19).
2. between the kiln formula steaming maintaining vehicle of sleeper according to claim 1 prefabricated full ground, it is characterized in that: between described steaming maintaining vehicle, (3) exit is provided with two fan clamshell doors (4), often fan door to be made up of 2 folding door-plates by gemel connection, contour between the height of door and steaming maintaining vehicle; Between described each steaming maintaining vehicle, (3) both sides, top have air inlet (11) and air outlet (12).
3. between the kiln formula steaming maintaining vehicle of sleeper according to claim 1 prefabricated full ground, it is characterized in that: described temperature control system comprises electronic temperature measurement head (5), steam-cured pipeline (6), air-introduced machine (7), air exhausting device (8), shower nozzle (9) and booster water pump device (10); Described electronic temperature measurement head (5) is respectively equipped with height in each steaming maintaining vehicle, front and back diverse location being connected with temperature controlled compartment (13); Every 2 of described steam-cured pipeline (6) is layed between steaming maintaining vehicle on (3) ground, and the auto temperature controlled system in temperature controlled compartment (13) controls the steam flow of steam-cured pipeline (5) by electromagnetic valve (14); A place is respectively established at described air inlet (11) top between each steaming maintaining vehicle, and is realized unlatching one closed by air-introduced machine (7); A place is respectively established at described air outlet (12) (1) top between each steaming maintaining vehicle, realizes unlatching one close by air exhausting device (8), and some steam-cured exhaust steams are discharged beyond between production by air channel series connection is unified; Described air-introduced machine (7) is all connected with temperature controlled compartment (13) with the electromagnetic switch of air exhausting device (8); Described shower nozzle (9) point two rows are located at color steel room (1) top, and shower nozzle (9) is connected with water tank (14) by booster water pump device (10).
4. between the kiln formula steaming maintaining vehicle of sleeper according to claim 2 prefabricated full ground, it is characterized in that: between described steaming maintaining vehicle, (3) wall board material selects color steel, surrounding adopts glass cement to do encapsulation process.
5., between the kiln formula steaming maintaining vehicle of sleeper according to claim 1 prefabricated full ground, it is characterized in that: described steel track (18) railway line end face and grade contour; A ditch be communicated with main ditch, outdoor is reserved with in the middle of indoor railway line.
6., between the kiln formula steaming maintaining vehicle of sleeper according to claim 1 prefabricated full ground, it is characterized in that: described hoist engine (15) is provided with dolly backstop (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740456.1A CN104526860A (en) | 2014-12-05 | 2014-12-05 | Over-ground kiln type steam curing workshop with precast sleeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740456.1A CN104526860A (en) | 2014-12-05 | 2014-12-05 | Over-ground kiln type steam curing workshop with precast sleeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104526860A true CN104526860A (en) | 2015-04-22 |
Family
ID=52842585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740456.1A Pending CN104526860A (en) | 2014-12-05 | 2014-12-05 | Over-ground kiln type steam curing workshop with precast sleeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104526860A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627447A (en) * | 2017-10-31 | 2018-01-26 | 天津银龙预应力材料股份有限公司 | A kind of track plates steam curing kiln of multi-chamber |
| CN108000694A (en) * | 2018-01-05 | 2018-05-08 | 河北益铁机电科技有限公司 | Pretensioning prestressed concrete track board assembly line curing system and its application |
| CN111086102A (en) * | 2019-12-27 | 2020-05-01 | 绍兴宝城建筑工业化制造有限公司 | Collect dry and wet heat maintenance in high-efficient hot moulding platform of PC component of an organic whole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010264734A (en) * | 2009-05-12 | 2010-11-25 | Tadahiko Murakami | Concrete curing management device |
| CN201770916U (en) * | 2010-08-11 | 2011-03-23 | 安徽华普节能材料股份有限公司 | Track device for concrete product maintaining room |
| CN102366967A (en) * | 2011-11-23 | 2012-03-07 | 江南大学 | Steam curing automatic temperature control system |
| CN202462593U (en) * | 2011-12-20 | 2012-10-03 | 镇江韦岗铁矿有限公司 | Concrete baking-free brick maintaining device |
| CN203045961U (en) * | 2013-01-28 | 2013-07-10 | 天津恩赐凯瑞建材有限公司 | Novel intelligent-automation cement product maintaining system in damp-and-hot kiln |
| CN203236582U (en) * | 2013-03-21 | 2013-10-16 | 长沙远大住宅工业有限公司 | Three-dimensional curing kiln |
-
2014
- 2014-12-05 CN CN201410740456.1A patent/CN104526860A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010264734A (en) * | 2009-05-12 | 2010-11-25 | Tadahiko Murakami | Concrete curing management device |
| CN201770916U (en) * | 2010-08-11 | 2011-03-23 | 安徽华普节能材料股份有限公司 | Track device for concrete product maintaining room |
| CN102366967A (en) * | 2011-11-23 | 2012-03-07 | 江南大学 | Steam curing automatic temperature control system |
| CN202462593U (en) * | 2011-12-20 | 2012-10-03 | 镇江韦岗铁矿有限公司 | Concrete baking-free brick maintaining device |
| CN203045961U (en) * | 2013-01-28 | 2013-07-10 | 天津恩赐凯瑞建材有限公司 | Novel intelligent-automation cement product maintaining system in damp-and-hot kiln |
| CN203236582U (en) * | 2013-03-21 | 2013-10-16 | 长沙远大住宅工业有限公司 | Three-dimensional curing kiln |
Non-Patent Citations (1)
| Title |
|---|
| 李金永: "独立多单元构件自动化蒸汽养护施工技术", 《铁道建筑技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627447A (en) * | 2017-10-31 | 2018-01-26 | 天津银龙预应力材料股份有限公司 | A kind of track plates steam curing kiln of multi-chamber |
| CN108000694A (en) * | 2018-01-05 | 2018-05-08 | 河北益铁机电科技有限公司 | Pretensioning prestressed concrete track board assembly line curing system and its application |
| CN108000694B (en) * | 2018-01-05 | 2023-10-27 | 河北益铁机电科技有限公司 | Pretensioned prestressed concrete track slab production line maintenance system and application thereof |
| CN111086102A (en) * | 2019-12-27 | 2020-05-01 | 绍兴宝城建筑工业化制造有限公司 | Collect dry and wet heat maintenance in high-efficient hot moulding platform of PC component of an organic whole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108000694B (en) | Pretensioned prestressed concrete track slab production line maintenance system and application thereof | |
| CN101972726B (en) | Hydraulic cylinder surface shot blasting, paint spraying and drying system and shot blasting, paint spraying and drying process thereof | |
| TWI472681B (en) | Electric power generator using storage yard for high temperature heat radiating object | |
| CN201815459U (en) | Hydraulic cylinder surface shot-blasting paint-spraying drying system | |
| CN102401581B (en) | Mixed ventilation indirect cooling tower system and cooling method thereof | |
| CN104526860A (en) | Over-ground kiln type steam curing workshop with precast sleeper | |
| CN112388811A (en) | Automatic steam curing kiln of annular automatic production line | |
| CN102825237B (en) | Horizontal centrifugal casting machine pull out trustship, cleaning, spraying combined unit | |
| CN109676774A (en) | A kind of steam-cured cellar of efficient precast concrete shield duct piece and its application method | |
| CN107159628A (en) | Possess hydro-peening and the purge chamber of water spacer processing is blown in air-blowing | |
| CN209381054U (en) | Parallel PC component production system | |
| CN208375548U (en) | A kind of concrete pipe sheet production line control system | |
| CN208998272U (en) | A kind of ventilation systems in underground car parks system | |
| CN212707334U (en) | Three-dimensional channel type steam curing system for pre-tensioning method prestressed concrete track slab production line | |
| CN207276657U (en) | A kind of annealing energy-saving furnace | |
| CN206676621U (en) | A kind of air zoning moves dry spray booth | |
| CN206925072U (en) | Possess hydro-peening and the purge chamber of water spacer processing is blown in air-blowing | |
| CN202160520U (en) | Henhouse with under ventilation duct | |
| CN205939427U (en) | Air film building energy conservation cooling system | |
| CN210082050U (en) | Efficient precast concrete shield constructs section of jurisdiction and evaporates curing cellar for storing things | |
| CN210529268U (en) | High-efficiency compact energy-saving environment-friendly tentering setting machine | |
| CN102294371B (en) | Ventilating and cooling device and cooling method of hot-rolled coil yard machine | |
| CN206265916U (en) | A kind of dust arrester for tippler | |
| CN107914003A (en) | A kind of intelligent dust collector and control method for being used to continuously pour into a mould assembly line | |
| CN207534657U (en) | A kind of sand blasting system and its sand blasting room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |