CN103776157A - Steam and electric heating tube combined heating device - Google Patents
Steam and electric heating tube combined heating device Download PDFInfo
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- CN103776157A CN103776157A CN201210395857.9A CN201210395857A CN103776157A CN 103776157 A CN103776157 A CN 103776157A CN 201210395857 A CN201210395857 A CN 201210395857A CN 103776157 A CN103776157 A CN 103776157A
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Abstract
A steam and electric heating tube combined heating device comprises a water tank, and a temperature sensor, an electric heating tube, a steam heating tube and a control system which are arranged in the water tank. A water tank overhaul hole and blank cap, an observation hole and a blank hole, a spill port and connection flange and a water inlet and connection flange. A floating ball valve is arranged on a pipe of the water inlet, a water outlet and connection flange and a drainage port and connection flange are arranged on the water tank close to the lower end, a pneumatic butterfly valve is arranged on a pipe of the water outlet, and a stop valve is arranged on a pipe of the drainage port. The water inlet and connection flange is connected with a water supply pipe of a concrete mixing plant through the floating ball valve. The water outlet and connection flange is connected with a weighing hopper for water for concreted mixing of the concrete mixing plant through the pneumatic butterfly valve. By means of the device, stopping of the concrete mixing plant due to the failure of a single heating mode is prevented, the concrete mixing plant production efficiency is improved, the work efficiency is high, the operation is reliable, and the automation degree is high.
Description
Technical field
The present invention relates to a kind of steam and electrothermal tube composite heater.
Background technology
Concrete is one widely used construction material in hydroelectric project, and due to material own characteristic, environment temperature is very big on the impact of construction quality during concrete engineering.Engineering test shows, when temperature lower than 5 ℃ of situations under, the reduced activity of water, the hydration reaction of cement slows down, concrete gain in strength is slow.Therefore, carry out concrete construction at low temperature season and must take special temperature control measures at batching plant, improve concrete outlet temperature, to meet concrete construction quality requirement.
Summary of the invention
It is high that the technical problem to be solved in the present invention is to provide a kind of work efficiency, reliable, automaticity is high, a kind of steam that the feature of environmental protection is good and electric heating tube compound-heating device, utilize electric heating tube or Boiler Steam to heat concrete-agitating water, to realize the object that improves concrete outlet temperature.
The object of the present invention is achieved like this: a kind of steam and electrothermal tube composite heater, it comprises the water tank of sealing, position near upper end on water tank is provided with water tank manhole and stifle, peep hole and stifle, overfall and connecting flange and water inlet and connecting flange, the pipeline of water inlet is provided with floating ball valve, water tank is provided with delivery port and connecting flange and sewage draining exit and connecting flange near lower end, the pipeline of delivery port is provided with Pneumatic butterfly valve, the pipeline of sewage draining exit is provided with check valve, it also comprises the temperature sensor in the water tank that is plugged in sealing, electric heating tube, steam-heating pipe and control system, water inlet and connecting flange are connected with the water supply line of concrete batching and mixing plant by floating ball valve, delivery port and connecting flange are connected with the scale hooper of batching plant ready-mixed concrete water by Pneumatic butterfly valve.
On above-mentioned water tank outer surface, be pasted with double-layer heat insulation rubber and plastic boards.
Above-mentioned delivery port and connecting flange are higher than 10 centimetres of sewage draining exit and the horizontal installation positions of connecting flange; Sewage draining exit and connecting flange are in the bottom of water tank; Overfall and connecting flange are a little more than water inlet and connecting flange) horizontal installation site.
One end of above-mentioned steam-heating pipe is welded on fixing cross-lining, and the other end is connected with the jet chimney that connects steam boiler, and is welded on the side plate of water tank.
Above-mentioned steam-heating pipe is made up of branched seamless steel pipe, and steam-distributing pipe adopts welding method to connect with jet chimney.
The surrounding of the branched seamless steel pipe of above-mentioned steam-heating pipe is drilled with vapor evolution aperture, aperture 6mm, and the end of every seamless steel pipe seals with steel plate.
Above-mentioned electric heating tube is double end electric heating tube, and double end electric heating tube is arranged on the two sides at water tank, and described double end electric heating tube and temperature sensor are all connected by nut and rubber plastic sealing gasket and water tank side plate.
Above-mentioned control system adopts Mechatronics control equipment and programmable logic controller (PLC) to jointly control mode.
Above-mentioned programmable logic controller (PLC) has PLC and controls touch-screen, controls touch-screen operate by PLC.
The present invention has obtained following technique effect:
1, adopt Mechatronics control equipment and programmable logic controller (PLC) (PLC) to jointly control mode, according to the temperature value of the temperature value design temperature controller of required Water in Water Tanks, by temperature sensor control temperature controller, with often opening and the load of normally-closed contact automatic control boiler of temperature controller, to realize the object of water tank water temp. auto-control, thereby be conducive to guarantee concrete mixing quality, and be conducive to realize energy-saving and cost-reducing;
2, water tank adopts double-layer heat insulation rubber and plastic to carry out water tank heat preserving, is conducive to realize energy-saving and cost-reducing;
3, be provided with sewage draining exit and check valve in water tank bottom, can realize and regularly carry out blowdown, be conducive to guarantee the quality of concrete mixing water;
4, in the water inlet of water tank, be provided with floating ball valve, realized the automatic water supplement to water tank;
5, be provided with overfall at the external face in the water inlet top of water tank, thereby effectively prevented that water tank from occurring because full irrigation causes the accident of damaging the floating ball valve in water tank and water tank;
6, double end electric heating tube be set in water tank simultaneously and connect the steam-heating pipe of steam boiler, having avoided causing batching plant to be shut down because single heating mode breaks down, and then improved the production efficiency of batching plant.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 1.
The specific embodiment
As Figure 1-4, a kind of steam and electrothermal tube composite heater, it comprises the water tank 1 of sealing, position near upper end on water tank is provided with water tank manhole and stifle 2, peep hole and stifle 11, overfall and connecting flange 3 and water inlet and connecting flange 5, the pipeline of water inlet is provided with floating ball valve 6, water tank is provided with delivery port and connecting flange 7 and sewage draining exit and connecting flange 9 near lower end, the pipeline of delivery port is provided with Pneumatic butterfly valve 8, the pipeline of sewage draining exit is provided with check valve 10, it also comprises the temperature sensor 12 in the water tank that is plugged in sealing, electric heating tube 13, steam-heating pipe 14 and control system, water inlet and connecting flange 5 are connected with the water supply line of concrete batching and mixing plant by floating ball valve 6, delivery port and connecting flange 7 are connected with the scale hooper of batching plant ready-mixed concrete water by Pneumatic butterfly valve 8.
On described water tank 1 outer surface, be pasted with double-layer heat insulation rubber and plastic boards 17,18.Described delivery port and connecting flange 7 are higher than 10 centimetres of sewage draining exit and the horizontal installation positions of connecting flange 9; Sewage draining exit and connecting flange 9 are in the bottom of water tank 1; Overfall and connecting flange 3 are a little more than the horizontal installation site of water inlet and connecting flange 5.One end of described steam-heating pipe 14 is welded on fixing cross-lining 16, and the other end is connected with the jet chimney 15 that connects steam boiler, and is welded on the side plate of water tank 1.Described steam-heating pipe 14 is made up of branched seamless steel pipe, and steam-distributing pipe adopts welding method to connect with jet chimney 15.The surrounding of the branched seamless steel pipe of described steam-heating pipe 14 is drilled with vapor evolution aperture, aperture 6mm, and the end of every seamless steel pipe seals with steel plate.Described electric heating tube is double end electric heating tube, and double end electric heating tube is arranged in the two sides of water tank 1, and described double end electric heating tube and temperature sensor are all connected by nut and rubber plastic sealing gasket and water tank side plate.Described water tank is provided with water tank hanger 4.Described control system adopts Mechatronics control equipment and programmable logic controller (PLC) to jointly control mode.Described programmable logic controller (PLC) has PLC and controls touch-screen, controls touch-screen operate by PLC.
1, installation method of the present invention:
1), install or change workpiece in water tank
First open check valve 10, by the water in sewage draining exit and connecting flange 9 emptying water tanks, after open the stifle of water tank manhole, then enter water tank inside by people, there is special messenger's compounding practice in water tank outside, install successively or change floating ball valve 6, temperature sensor 12, electric heating tube 13, steam-heating pipe cross-lining 16, steam-heating pipe 14, and steam-distributing pipe is connected with steam conveying pipe 15.
2), connect water tank and import and export pipeline
Water inlet is connected by flange and batching plant water supply line, the Pneumatic butterfly valve on delivery port is connected by pipeline and batching plant mixing water scale hooper, sewage draining exit and check valve 10 are connected with the pipeline under overfall.
3), installation control system
By temperature sensor 12 and boiler automatic ignition system and the connection of PLC control system, according to the temperature value of the temperature value design temperature controller of required Water in Water Tanks, by temperature sensor control temperature controller, with often opening and the ignition system of normally-closed contact automatic control boiler of temperature controller, thereby realize the object of water tank water temp. auto-control.
2, operation principle of the present invention
Come from the water of water supply line in the time that water inlet enters water tank to normal working water level, floating ball valve 6 is closed automatically.
If adopt Boiler Steam heating tube mode of heating: set the heating-up temperature value of Water in Water Tanks, start automatic control system, boiler brings into operation, and the steam of boiler heats the water in water tank through steam-heating pipe 14 by pipeline 15.In the time that the water in water tank reaches set temperature value, import PLC automatic control system by the temperature sensor 12 being arranged in water tank, boiler automatically stops heating and enters insulation operating mode.
If adopt double end heating tube mode of heating: set the heating-up temperature value of Water in Water Tanks, start heating automatic control system, water tank Automatic-heating.In the time that the water in water tank reaches set temperature value, import PLC automatic control system by the temperature sensor 12 being arranged in water tank, double end heating tube stops heating automatically.
In the time that batching plant starts mixing concrete, operator is when starting and open delivery port Pneumatic butterfly valve 8, hot water in water tank, from delivery port flows into scale hooper and weighs, then enters batching plant mixing drum mixing concrete, to realize the object that improves batching plant outlet temperature.Now, when the water level in water tank starts to decline, the floating ball valve 6 on water inlet is opened automatically, feed pipe starts water tank to carry out supplementing water, in the time that the water level in water tank rises to normal working water level, floating ball valve 6 is closed water inlet automatically, and the water level in water tank keeps normal working water level.Because water tank is in the process of water-filling, the temperature of water declines simultaneously, and automatic control system starts boiler and brings into operation, and the steam of boiler enters steam-heating pipe by pipeline through steam-distributing pipe the water in water tank is heated.In the time that the water in water tank reaches set temperature value, boiler automatically stops heating and enters insulation operating mode.
Claims (9)
1. a steam and electrothermal tube composite heater, it comprises the water tank (1) of sealing, position near upper end on water tank is provided with water tank manhole and stifle (2), peep hole and stifle (11), overfall and connecting flange (3) and water inlet and connecting flange (5), the pipeline of water inlet is provided with floating ball valve (6), water tank is provided with delivery port and connecting flange (7) and sewage draining exit and connecting flange (9) near lower end, the pipeline of delivery port is provided with Pneumatic butterfly valve (8), the pipeline of sewage draining exit is provided with check valve (10), it is characterized in that: it also comprises the temperature sensor (12) in the water tank that is plugged in sealing, electric heating tube (13), steam-heating pipe (14) and control system, water inlet and connecting flange (5) are connected with the water supply line of concrete batching and mixing plant by floating ball valve (6), delivery port and connecting flange (7) are connected with the scale hooper of batching plant ready-mixed concrete water by Pneumatic butterfly valve (8).
2. steam according to claim 1 and electrothermal tube composite heater, is characterized in that: on described water tank (1) outer surface, be pasted with double-layer heat insulation rubber and plastic boards (17,18).
3. steam according to claim 1 and 2 and electrothermal tube composite heater, is characterized in that: described delivery port and connecting flange (7) are higher than 10 centimetres of sewage draining exit and the horizontal installation positions of connecting flange (9); Sewage draining exit and connecting flange (9) are in the bottom of water tank (1); Overfall and connecting flange (3) are a little more than the horizontal installation site of water inlet and connecting flange (5).
4. steam according to claim 1 and 2 and electrothermal tube composite heater, it is characterized in that: one end of described steam-heating pipe (14) is welded on fixing cross-lining (16), the other end is connected with the jet chimney (15) that connects steam boiler, and is welded on the side plate of water tank (1).
5. steam according to claim 4 and electrothermal tube composite heater, is characterized in that: described steam-heating pipe (14) is made up of branched seamless steel pipe, and steam-distributing pipe adopts welding method to connect with jet chimney (15).
6. steam according to claim 5 and electrothermal tube composite heater, is characterized in that: the surrounding of the branched seamless steel pipe of described steam-heating pipe (14) is drilled with vapor evolution aperture, aperture 6mm, and the end of every seamless steel pipe seals with steel plate.
7. steam according to claim 1 and 2 and electrothermal tube composite heater, it is characterized in that: described electric heating tube is double end electric heating tube, double end electric heating tube is arranged in the two sides of water tank (1), and described double end electric heating tube and temperature sensor are all connected by nut and rubber plastic sealing gasket and water tank side plate.
8. steam according to claim 1 and 2 and electrothermal tube composite heater, is characterized in that: described control system adopts Mechatronics control equipment and programmable logic controller (PLC) to jointly control mode.
9. steam according to claim 8 and electrothermal tube composite heater, is characterized in that: described programmable logic controller (PLC) has PLC and controls touch-screen, controls touch-screen operate by PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395857.9A CN103776157A (en) | 2012-10-18 | 2012-10-18 | Steam and electric heating tube combined heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395857.9A CN103776157A (en) | 2012-10-18 | 2012-10-18 | Steam and electric heating tube combined heating device |
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| Publication Number | Publication Date |
|---|---|
| CN103776157A true CN103776157A (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210395857.9A Pending CN103776157A (en) | 2012-10-18 | 2012-10-18 | Steam and electric heating tube combined heating device |
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| CN (1) | CN103776157A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926015A (en) * | 2019-11-12 | 2020-03-27 | 深圳市博远贵金属科技有限公司 | Circulation heater |
| CN112976270A (en) * | 2021-03-17 | 2021-06-18 | 中铁九局集团有限公司 | Automatic constant temperature control system suitable for high-speed railway track slab water maintenance and application thereof |
| CN115031411A (en) * | 2022-06-14 | 2022-09-09 | 河北省荣丰消毒设备有限公司 | Composite pipeline heater |
-
2012
- 2012-10-18 CN CN201210395857.9A patent/CN103776157A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926015A (en) * | 2019-11-12 | 2020-03-27 | 深圳市博远贵金属科技有限公司 | Circulation heater |
| CN112976270A (en) * | 2021-03-17 | 2021-06-18 | 中铁九局集团有限公司 | Automatic constant temperature control system suitable for high-speed railway track slab water maintenance and application thereof |
| CN112976270B (en) * | 2021-03-17 | 2022-08-30 | 中铁九局集团有限公司 | Automatic constant temperature control system suitable for high-speed railway track slab water maintenance and application thereof |
| CN115031411A (en) * | 2022-06-14 | 2022-09-09 | 河北省荣丰消毒设备有限公司 | Composite pipeline heater |
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Application publication date: 20140507 |