CN101905486B - Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile - Google Patents
Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile Download PDFInfo
- Publication number
- CN101905486B CN101905486B CN201010107304XA CN201010107304A CN101905486B CN 101905486 B CN101905486 B CN 101905486B CN 201010107304X A CN201010107304X A CN 201010107304XA CN 201010107304 A CN201010107304 A CN 201010107304A CN 101905486 B CN101905486 B CN 101905486B
- Authority
- CN
- China
- Prior art keywords
- water
- steam
- storage tank
- curing
- cured
- 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.)
- Active
Links
Images
Abstract
The invention relates to a pipe pile water curing method. In the method, a water storage tank is arranged, and condensate water and residual steam in a still kettle are guided into the water storage tank; a pipe pile is placed in a steaming and curing pool, the condensate water in the water storage tank is guided into the steaming and curing pool, and the residual steam in water storage tank is guided into the steaming and curing pool; and steaming and curing the pipe pile in the steaming pool for 4-5 hours at 80-90 DEG C. The curing device comprises the steaming and curing pool, the water storage tank and the still kettle, wherein the steaming and curing pool is provided with a water-steam port; the water storage tank is provided with a residual steam outlet, a residual steam inlet, a condensate water outlet and a condensate water inlet; and the still kettle is provided with a steam inlet and a steam outlet. A condensate channel is arranged between the water-steam port of the steaming pool and the condensate water outlet of the water storage tank, and a steam channel is arranged between the water-steam port of the steaming pool and the residual steam outlet of the water storage tank. The condensate water inlet of the water storage tank is communicated with the condensate water outlet of the still kettle through a third electric control valve and a pipeline, and the steam inlet of the water storage tank is communicated with the steam outlet of the still kettle through a second steam valve and a pipeline.
Description
Technical field
The present invention relates in the building field by production requirement the technology of the concrete pile engineering maintaining process in the production process is particularly related to a kind of pretensioned prestressed concrete pipe pile centrifugal back water curing method and water curing device.
Background technology
Along with the raising of the significance level of modern building and the continuous increase of building height.Bearing capacity to ground is had higher requirement; Subsoil can better not born the load that upper building transmits; In being to use subsoil, and a kind of processing mode is arranged therein, promptly use armored concrete to do the foundation pile of ground; With pile press machine stake being pressed into becomes foundation pile after underground, lets foundation pile top carry building.China uses and has all stipulated corresponding standard for the design production of this type stake.For example " Code for design of building " (GB5007～2002) and " pretensioned prestressed concrete pipe pile " (GB13476～2009).In conjunction with the production of China's pretensioned prestressing pile tube and the situation of application, the pile tube behind centrifugal forming adopts maintaining process twice: once for atmospheric steam curing, once for autoclave curing (still kettle maintenance).Present maintaining process exists the surplus vapour of following defective: a, still kettle and the condensed water of discharge to recycle, and heat loss is big.The each condensation water quantity of discharging of each still kettle is about 10 tons, has wasted great amount of water resources, can't utilize once more condensed water; B, after summer, the pond was opened in steam-cured pond, a large amount of hot gas can't be discharged, and causes the shopwork environment temperature higher, influences workman's operate as normal and healthy; C, pile tube maintenance cost improve.The defective that present maintaining process exists affects the benefit of enterprise greatly, can improve economic benefit of enterprises through the improvement to maintaining process, and is consistent with environmental protection production, energy-saving processing technique that country advocates.
Summary of the invention
The present invention provide a kind of overcome present pile tube maintaining process not enough, realized pretensioned prestressed concrete pipe pile centrifugal back water curing method and the water curing device of environmental protection production, energy-conservation production simultaneously.
The centrifugal back water curing of pretensioned prestressed concrete pipe pile of the present invention method is characterized in that,
Step 1) sets up autoclave condensation water to reclaim and surplus vapour heating storage tank, and condensed water in the still kettle and surplus vapour are introduced autoclave condensation water recovery and surplus vapour heating storage tank;
Step 2) the band punching block pile tube after centrifugal is put into steam-cured pond; After waiting to be with the punching block pile tube to fill steam-cured pond; Open the electrically-controlled valve of water inlet, steam-cured pond, with autoclave condensation water reclaim and surplus vapour heating storage tank in condensed water introduce steam-cured pond and with this water as curing water, treat steam-cured lid on the whole punching block bonnet of curing water submergence; The surplus vapour that autoclave condensation water reclaims and surplus vapour heats in the storage tank is introduced in the steam-cured pond, the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature again; Be not enough to the whole punching block of submergence if introduce the condensed water in steam-cured pond, replenish curing water, the whole punching block of curing water submergence in steam-cured pond then for steam-cured pond; If the surplus vapour of being introduced is not enough to curing water is heated to the water of pile tube and supports 80～90 ℃ of temperature, then introduce steam, the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature,
Step 3) keeps water to support 80～90 ℃ of temperature, and to the pile tube of the band punching block in the steam-cured pond steam-cured 4～5 hours,
After step 4) is treated steam-cured finishing, the hot water in said steam-cured pond is evacuated in the steam-cured pond of another one again, realizes recycling of hot water.
Water curing device of the present invention; Comprise: steam-cured pond; Be provided with water-gas port and hot water outlet in steam-cured pond; Said water curing device comprises that also autoclave condensation water reclaims and surplus vapour heating storage tank and still kettle; On autoclave condensation water recovery and surplus vapour heating storage tank, be provided with surplus vapor outlet, surplus vapour inlet, condensation-water drain and condensing water inlet; On still kettle, be provided with the steam inlet; The water-gas port in said steam-cured pond and autoclave condensation water reclaims and the surplus vapor outlet of surplus vapour heating storage tank between be provided with steam channel; The water-gas port in said steam-cured pond and autoclave condensation water reclaims and the condensation-water drain of surplus vapour heating storage tank between be provided with condensation water channel, said condensation water channel is by connect and form through valve lock, the first condensed water check valve, the first one-stage centrifugal formula heat-exchanger pump, the second condensed water check valve and first electrically-controlled valve that pipeline is communicated with successively, said steam channel is by connecting successively and forming through first steam valve and first electrically-controlled valve of pipeline connection; Autoclave condensation water reclaim and the condensation-water drain of the condensed water import of surplus vapour heating storage tank and still kettle between be communicated with through the 3rd electrically-controlled valve and pipeline, be communicated with through second steam valve and pipeline between the steam inlet that autoclave condensation water recovery and surplus vapour heat storage tank and the steam (vapor) outlet of still kettle.
Compared with prior art, the present invention has following advantage:
The present invention at first carries out the water storage leakproof to the steam-cured pond in the existing pile tube production technology and transforms; Set up autoclave condensation water recovery and surplus vapour heating storage tank (being of a size of 3000 * 4000 * 3000); Electric heater unit is installed in the storage tank bottom; Be convenient to the timely supply of hot water, steam-cured pond increases each of water inlet and water outlet one-stage centrifugal formula heat-exchanger pump and the relevant auxiliary facility of water circulation.A motor-driven valve is respectively installed at water inlet pipe and outlet pipe place at steam-cured Chi Chu, the digital display type temperature detecting resistance is installed to steam-cured pond monitoring temperature in steam-cured pool wall middle part, and the water curing system reform of the centrifugal back of pretensioned prestressed concrete pipe pile finishes;
The centrifugal back of said pretensioned prestressed concrete pipe pile water curing system comprises: reclaim and surplus vapour heating storage tank in steam-cured pond, autoclave condensation water, one-stage centrifugal formula heat-exchanger pump, check valve; Water inlet, delivery port, seamless pipe; Electrically-controlled valve, steam valve, temperature controller; The valve lock, spout hole, above various piece connects into a water curing system through seamless pipe.
Steam-cured pond in the water curing system of the centrifugal back of said pretensioned prestressed concrete pipe pile comprises: water inlet, delivery port, spout hole, temperature controller.
When the band punching block pile tube after centrifugal is put into steam-cured pond; After waiting to be with the punching block pile tube to fill steam-cured pond; Open the electrically-controlled valve of water inlet, steam-cured pond and the valve lock of storage tank; Through autoclave condensation water reclaim and the one-stage centrifugal formula heat-exchanger pump at surplus vapour heating storage tank place reclaims autoclave condensation water and the hot water of surplus vapour heating storage tank be drawn into steam-cured in; After treating the whole punching block of hot water submergence, open the steam valve at storage tank place, the surplus vapour through still kettle rises to water temperature about 90 ℃ gradually and the constant temperature regular hour (thermostat temperature control is to realize through temperature controller); Surplus vapour can heat up condensed water after getting into storage tank, has saved the power consumption of the heater of storage tank.
The present invention recycles hot water: a, the surplus vapour part of discharge after still kettle step-down water supply maintenance pond benefit is warm; Redundance is discharged into condensation in recovery of still condensed water and the surplus vapour heating storage tank through steam valve, utilizes steam that condensed water is added stand-by heat simultaneously; B and then take out hot water to the steam-cured pond through one-stage centrifugal formula heat-exchanger pump treats behind steam-cured the finishing the hot water in this pond is evacuated in the steam-cured pond of another one again, realizes recycling of hot water, has saved production cost.
Compared with prior art, it is not enough that the present invention can overcome present pile tube maintaining process, realized environmental protection production, energy-conservation production, that is:
The present invention has carried out strict control to the heat that outwards especially discharges to the workshop; Surplus vapour that has heat in the still kettle and condensed water are introduced condensed water recovery and surplus vapour heating storage tank; Avoided the waste heat in the still kettle to flow into workshop or externally discharging; Realized the zero-emission of waste heat in the workshop, the environment temperature when having improved shopwork;
The present invention will reduce energy consumption to the foster technology of the water that surplus vapour in the still kettle of workshop or externally discharging and condensed water are used for pile tube, realize energy-conservation production." autoclave condensation water reclaims and surplus vapour heating storage tank " technical measures; Make the surplus vapour and the condensed water that have heat be able to effective deposit; When the surplus vapour of still kettle and condensed water be discharged into that condensed water reclaims and surplus vapour heating storage tank after; Surplus vapour and condensed water be stored in that condensed water reclaims and surplus vapour heating storage tank in, utilize the water-gas port in condensation water channel and steam-cured pond 11 to reclaim and surplus vapour heats the annexation that is communicated with between the surplus vapor outlet of storage tank 12 with autoclave condensation water, surplus vapour and condensed water are introduced steam-cured pond; Participation is supported the water of pile tube, and surplus vapour that is discharged and condensed water in the former pile tube production are fed back in the pile tube production.
Orientation discharging and utilization along with surplus vapour and condensed water; In terms of existing technologies, the heat that is released among the workshop significantly reduces, and environment temperature is minimized; Thereby the work situation of field worker is improved, and good work situation then helps the minimizing accident to take place.
The present invention all recycles the condensed water of surplus vapour of still kettle and discharge; Utilized heat energy fully; Realize the utilization once more of condensed water, the environment temperature when having improved shopwork simultaneously, the while has also been reduced the maintenance cost of pile tube; Compare with the cost of original processes expend, saved about 40% cost.Adopt the method maintenance pile tube, demoulding strength is consistent with the intensity of conventional method maintenance, has proved that the method is feasible.Simultaneously because of after the tubular pile centrifugal moulding, setting and harden has certain intensity and durability gradually, and this process mainly is that the hydration by cement realizes; Hydration effect and concrete environment temperature, humidity and the maintenance effect of cement have confidential relation; Especially early curing; If curing time is too short or can not keep moisture state in curing period; Moisture in the concrete is evaporation rapidly, and concrete surface produces the crack because of drying shrinkage or forms the ventilative infiltration of capillary network, and concrete impermeability is sharply reduced.Adopt water curing; Owing to guaranteed good hydrated cementitious environment temperature, humidity and maintenance effect; Generate crystalline state or colloidal state hyrate, block concrete capillary channel, reduce the voidage of inside concrete; Strengthen concrete density, thereby obtain good impermeability, frost resistance and durability.
Description of drawings
Fig. 1 is a water curing of the present invention system vertical view.
Fig. 2 is the structure cutaway view of the steam-cured pond AA ' of the present invention, wherein, and spout hole 123.
Fig. 3 is the structure cutaway view of the steam-cured pond BB ' of the present invention.
The specific embodiment
Embodiment 1
The centrifugal back water curing of a kind of pretensioned prestressed concrete pipe pile method:
Step 1) sets up autoclave condensation water to reclaim and surplus vapour heating storage tank 12, and condensed water in the still kettle 18 and surplus vapour are introduced autoclave condensation water recovery and surplus vapour heating storage tank 12;
Step 2) the band punching block pile tube after centrifugal is put into steam-cured pond 11; After waiting to be with the punching block pile tube to fill steam-cured pond 11; Open first electrically-controlled valve 191 at 11 water inlets, 16 places, steam-cured pond; With autoclave condensation water reclaim and surplus vapour heating storage tank 12 in condensed water introduce steam-cured pond 11 and with this water as curing water; Treat steam-cured lid on the whole punching block bonnet of curing water submergence, the more surplus vapour that autoclave condensation water reclaims and surplus vapour heats in the storage tank 12 introduced in the steam-cured pond 11 that the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature; Be not enough to the whole punching block of submergence if introduce the condensed water in steam-cured pond, replenish curing water, the whole punching block of curing water submergence in steam-cured pond then for steam-cured pond; If the surplus vapour of introducing is not enough to curing water is heated to the water of pile tube and supports 80～90 ℃ of temperature, then introduce steam, the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature,
Step 3) keeps water to support 80～90 ℃ of temperature, and to the pile tube of the band punching block in the steam-cured pond steam-cured 4～5 hours,
After step 4) is treated steam-cured finishing, the hot water in said steam-cured pond is evacuated in the steam-cured pond of another one again, realizes recycling of hot water.
Embodiment 2
A kind of water curing device that is used to implement the centrifugal back water curing of said pretensioned prestressed concrete pipe pile method; Comprise: steam-cured pond 11; Be provided with water-gas port 16 and hot water outlet 17 in steam-cured pond 11; Said curing means comprises that also autoclave condensation water reclaims and surplus vapour heating storage tank 12 and still kettle 18; On autoclave condensation water recovery and surplus vapour heating storage tank 12, be provided with surplus vapor outlet, surplus vapour inlet, condensation-water drain and condensing water inlet; On still kettle 18, be provided with steam inlet and steam (vapor) outlet; The water-gas port in said steam-cured pond 11 and autoclave condensation water reclaims and the condensation-water drain of surplus vapour heating storage tank 12 between be provided with condensation water channel; The water-gas port in said steam-cured pond 11 and autoclave condensation water reclaims and the surplus vapor outlet of surplus vapour heating storage tank 12 between be provided with steam channel; Said condensation water channel is made up of the valve lock of connecting successively and being communicated with through pipeline 122, the first condensed water check valve 151, the first one-stage centrifugal formula heat-exchanger pump 131, the second condensed water check valve 152 and first electrically-controlled valve 191; Said steam channel is by connecting and forms through first steam valve 1201 and first electrically-controlled valve 191 that pipeline is communicated with successively, autoclave condensation water reclaim and the condensation-water drain of the condensed water import of surplus vapour heating storage tank 12 and still kettle 18 between be communicated with through the 3rd electrically-controlled valve 193 and pipeline, be communicated with through second steam valve 1202 and pipeline between the steam inlet that autoclave condensation water recovery and surplus vapour heat storage tank 12 and the steam (vapor) outlet of still kettle 18.
In the present embodiment; On the hot water outlet in steam-cured pond 11, be connected with second electrically-controlled valve 192 and the second one-stage centrifugal formula heat-exchanger pump 132 in turn; So that after the pile tube cured in this steam-cured pond 11, the hot water in this steam-cured pond 11 is introduced other steam-cured pond, thereby make it be able to recycling.
In the present embodiment; With reference to Fig. 1; Can link together through a threeway (not drawing among the figure) between condensation water channel and the steam channel; That is: first steam valve 1201 in the steam channel is connected first port of threeway, the second condensed water check valve 152 in the condensation water channel is connected second port of threeway, the 3rd port with threeway is connected with first electrically-controlled valve 191 again.
Remake some explanations in the face of main Points of the present invention down:
Step 1) is carried out the water storage leakproof to the steam-cured pond in the existing pile tube production technology and is transformed; Set up autoclave condensation water recovery and surplus vapour heating storage tank 12 (being of a size of 3000 * 4000 * 3000); Electric heater unit is installed in storage tank 12 bottoms; Be convenient to the timely supply of hot water, steam-cured pond 11 increases each of water inlet and water outlet one-stage centrifugal formula heat-exchanger pump and the relevant auxiliary facility of water circulation.A motor-driven valve is respectively installed at water inlet pipe and outlet pipe place at steam-cured Chi Chu, the digital display type temperature detecting resistance is installed to steam-cured pond monitoring temperature in steam-cured pool wall middle part, and the water curing system reform of the centrifugal back of pretensioned prestressed concrete pipe pile finishes;
Steam-cured pond in the water curing system of the centrifugal back of said pretensioned prestressed concrete pipe pile comprises: water inlet 16, delivery port 17, spout hole 123, temperature controller 121.
Step 2) the band punching block pile tube after centrifugal is put into steam-cured pond 11; After waiting to be with the punching block pile tube to fill steam-cured pond 11; Open the electrically-controlled valve 19 at 11 water inlets, 16 places, steam-cured pond and the valve lock 122 of storage tank; Reclaim and the one-stage centrifugal formula heat-exchanger pump 122 at surplus vapour heating storage tank 12 places reclaims autoclave condensation water and the hot water of surplus vapour heating storage tank 12 is drawn in the steam-cured pond 11 through autoclave condensation water; After treating the whole punching block of hot water submergence, open the steam valve 120 at storage tank 12 places, the surplus vapour through still kettle rises to water temperature about 90 ℃ gradually and the constant temperature regular hour (thermostat temperature control is to realize through temperature controller 121); Surplus vapour can heat up condensed water after getting into storage tank, has saved the power consumption of the heater of storage tank.
Step 3) is recycled hot water: a, the surplus vapour part of discharge after still kettle step-down water supply maintenance pond benefit is warm; Redundance is discharged into condensation in recovery of still condensed water and the surplus vapour heating storage tank 12 through steam valve 120, utilizes steam that condensed water is added stand-by heat simultaneously; B and then take out hot water to the steam-cured pond through one-stage centrifugal formula heat-exchanger pump 13 treats behind steam-cured the finishing the hot water in this pond is evacuated in the steam-cured pond of another one again, realizes recycling of hot water, has saved a large amount of costs.
Claims (3)
1. the centrifugal back water curing of a pretensioned prestressed concrete pipe pile method is characterized in that,
Step 1) sets up autoclave condensation water to reclaim and surplus vapour heating storage tank (12), and condensed water in the still kettle (18) and surplus vapour are introduced autoclave condensation water recovery and surplus vapour heating storage tank (12);
Step 2) the band punching block pile tube after centrifugal is put into steam-cured pond (11); After waiting to be with the punching block pile tube to fill steam-cured pond (11); Open the electrically-controlled valve (19) that steam-cured pond (11) water inlet (16) is located; With autoclave condensation water reclaim and surplus vapour heating storage tank (12) in condensed water introduce steam-cured pond (11) and with this water as curing water; Treat steam-cured lid on the whole punching block bonnet of curing water submergence, the more surplus vapour that autoclave condensation water reclaims and surplus vapour heats in the storage tank (12) introduced in the steam-cured pond (11) that the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature; When the condensed water of introducing steam-cured pond is not enough to the whole punching block of submergence, replenish curing water, the whole punching block of curing water submergence in steam-cured pond then for steam-cured pond; When the surplus vapour of introduce is not enough to that the water that curing water is heated to pile tube supported 80～90 ℃ of temperature, then introduce steam, the water that curing water is heated to pile tube is supported 80～90 ℃ of temperature,
Step 3) keeps water to support 80～90 ℃ of temperature, and to the pile tube of the band punching block in the steam-cured pond steam-cured 4～5 hours,
After step 4) is treated steam-cured finishing, the hot water in said steam-cured pond is evacuated in the steam-cured pond of another one again, realizes recycling of hot water.
2. water curing device that is used to implement the centrifugal back water curing of the said pretensioned prestressed concrete pipe pile of claim 1 method; Comprise: steam-cured pond (11); Be provided with water-gas port (16) and hot water outlet (17) in steam-cured pond (11); It is characterized in that; Said water curing device comprises that also autoclave condensation water reclaims and surplus vapour heating storage tank (12) and still kettle (18); On autoclave condensation water recovery and surplus vapour heating storage tank (12), be provided with surplus vapor outlet, steam inlet, condensation-water drain and condensed water import; On still kettle (18), be provided with steam inlet and steam (vapor) outlet; The water-gas port in said steam-cured pond (11) and autoclave condensation water reclaims and the condensation-water drain of surplus vapour heating storage tank (12) between be provided with condensation water channel; The water-gas port in said steam-cured pond (11) and autoclave condensation water reclaims and the surplus vapor outlet of surplus vapour heating storage tank (12) between be provided with steam channel; Said condensation water channel is by connecting successively and forming through valve lock (122), the first condensed water check valve (151), the first one-stage centrifugal formula heat-exchanger pump (131), the second condensed water check valve (152) and first electrically-controlled valve (191) that pipeline is communicated with; Said steam channel is by connecting and forms through first steam valve (1201) and first electrically-controlled valve (191) that pipeline is communicated with successively, autoclave condensation water reclaim and the condensation-water drain of the condensed water import of surplus vapour heating storage tank (12) and still kettle (18) between be communicated with through the 3rd electrically-controlled valve (193) and pipeline, be communicated with through second steam valve (1202) and pipeline between the steam inlet that autoclave condensation water recovery and surplus vapour heat storage tank (12) and the steam (vapor) outlet of still kettle (18).
3. water curing device according to claim 2 is characterized in that, on the hot water outlet of steam-cured pond (11), is connected with second electrically-controlled valve (192) and the second one-stage centrifugal formula heat-exchanger pump (132) in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010107304XA CN101905486B (en) | 2010-02-08 | 2010-02-08 | Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010107304XA CN101905486B (en) | 2010-02-08 | 2010-02-08 | Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101905486A CN101905486A (en) | 2010-12-08 |
| CN101905486B true CN101905486B (en) | 2012-09-19 |
Family
ID=43261146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010107304XA Active CN101905486B (en) | 2010-02-08 | 2010-02-08 | Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101905486B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294742A (en) * | 2011-09-20 | 2011-12-28 | 嘉兴学院管桩应用技术研究所 | Method for recycling condensed water produced during autoclave curing of pipe pile |
| CN102756423A (en) * | 2012-07-17 | 2012-10-31 | 天津中技桩业有限公司 | Maintenance device and maintenance method for prestressed centrifugal concrete hollow square pile water maintenance pile |
| CN103128844B (en) * | 2013-03-05 | 2014-04-02 | 广东三和管桩有限公司 | Pipe pile autoclave waste heat utilization system |
| EP2921272B1 (en) * | 2014-02-11 | 2019-05-01 | Kai Liu | Pump-autoclave system and steam and pressure supply method thereof |
| CN104908152A (en) * | 2014-03-13 | 2015-09-16 | 福建大力管桩有限公司 | Prestressing force high-strength concrete pipe pile processing system and use method of waste water waste heat in prestressing force high-strength concrete pipe pile processing system |
| CN104085038B (en) * | 2014-06-11 | 2018-11-16 | 上海锦江电子技术工程有限公司 | Still kettle thermal energy recycles cycling and reutilization energy conserving system and its process |
| CN104892026B (en) * | 2015-05-14 | 2017-06-06 | 甘昌成 | Concrete enclosed Hydrothermal Synthesiss hardening process |
| CN105382924A (en) * | 2015-10-13 | 2016-03-09 | 福建省大地管桩有限公司 | Method for maintaining pipe pile through steam permeating into warm water |
| CN107584633A (en) * | 2017-09-29 | 2018-01-16 | 汕头市宏基混凝土构件有限公司 | A kind of autoclave condensation water is applied to the method for concrete tubular pile production |
| CN110774432A (en) * | 2019-10-28 | 2020-02-11 | 福建宝丰管桩有限公司 | Novel automatic maintenance method for concrete pipe pile |
| CN112497455B (en) * | 2020-11-17 | 2022-07-15 | 广州三川控制系统工程设备有限公司 | Concrete pipe pile maintenance system and maintenance method |
| CN113146824A (en) * | 2021-05-10 | 2021-07-23 | 福建大力新型建材科技有限公司 | Prestressed concrete tubular pile curing means |
-
2010
- 2010-02-08 CN CN201010107304XA patent/CN101905486B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101905486A (en) | 2010-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101905486B (en) | Water curing method and device for centrifuged pretensioned prestressed concrete pipe pile | |
| CN201604206U (en) | Circulating water curing device for post-centrifugal pretensioned prestressed concrete pipe pile | |
| CN102756423A (en) | Maintenance device and maintenance method for prestressed centrifugal concrete hollow square pile water maintenance pile | |
| CN204172177U (en) | A kind of energy saving circulating system for still kettle | |
| CN204555414U (en) | A kind of degression type steam condensate (SC) reclaiming system | |
| CN101508143B (en) | PHC pipe pile energy-saving maintaining method | |
| CN114736036A (en) | Large-volume ultra-high-performance concrete thermal curing system and thermal curing process | |
| CN109235441A (en) | A kind of temperature automatically controlled technique of the circulation fluid of mass concrete construction | |
| CN104533462B (en) | Tunnel lining concrete thermal insulation system and construction method thereof | |
| CN101337736A (en) | Sewage treatment plant and process by SBR process | |
| CN109579557B (en) | Building steam condensate recycling system and method | |
| CN210389610U (en) | Energy-conserving curing means of tubular pile ordinary pressure | |
| CN210880169U (en) | Solar steam curing system for concrete prefabricated part | |
| CN109732762B (en) | Steam-curing waste steam resource utilization device | |
| CN110774432A (en) | Novel automatic maintenance method for concrete pipe pile | |
| CN204431459U (en) | Vapour energy storage circulation device more than still kettle accelerated accumulation formula | |
| CN216196782U (en) | Single-layer multi-loop water cooling system for super-thick large-volume concrete | |
| CN206859711U (en) | A kind of casting of concrete in mass anticracking heat-exchange system | |
| CN211601115U (en) | Heat preservation system for winter construction of mixing plant | |
| CN212269900U (en) | Low-temperature hot water maintenance system for profiled steel sheet composite floor | |
| CN112128725A (en) | System and method for utilizing waste heat of still kettle for producing aerated plate | |
| CN106863566A (en) | The maintenance tunnel of prefabricated concrete element | |
| CN210025730U (en) | A energy-conserving high-efficient room of evaporating foster for cement fiberboard production | |
| CN102072643B (en) | Process system for realizing supply of cold water, warm water and hot water by using radiant heat of cylinder of rotary kiln | |
| CN204402509U (en) | A kind of tunnel lining concrete heat-insulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212413 Riverside Development Zone, Qiaotou town, Jiangsu, Jurong Patentee after: Jianhua building materials (Jiangsu) Co., Ltd. Address before: 212413 Riverside Development Zone, Qiaotou town, Jiangsu, Jurong Patentee before: Jiangsu builds China pipe pile Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 212413 Jurong City, Jiangsu Province under the town along the Yangtze River Development Zone Patentee after: Jianhua building materials (China) Co., Ltd. Address before: 212413 Riverside Development Zone, Qiaotou town, Jiangsu, Jurong Patentee before: Jianhua building materials (Jiangsu) Co., Ltd. |