CN205655712U - Heating device for hot -galvanize helps plating bath - Google Patents
Heating device for hot -galvanize helps plating bath Download PDFInfo
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- CN205655712U CN205655712U CN201620445896.9U CN201620445896U CN205655712U CN 205655712 U CN205655712 U CN 205655712U CN 201620445896 U CN201620445896 U CN 201620445896U CN 205655712 U CN205655712 U CN 205655712U
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- water
- pipe
- flue
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- coil
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Abstract
The utility model relates to a heating device for hot -galvanize helps plating bath, include heat transfer flue, flue heating coil, help coating bath, radiating coil pipe, storage water tank and circulating water pump, flue heating coil sets up in the heat transfer flue, radiating coil pipe hangs on one side cell wall that helps the coating bath, circulating water pump's the apopore that advances the water piping connection storage water tank, circulating water pump's outlet pipe be through defeated water piping connection flue heating coil's water inlet, flue heating coil's the delivery port defeated water piping connection radiating coil pipe's through taking the heat preservation water inlet, radiating coil pipe's delivery port is linked together through raceway and storage water tank. This device adopts heat balance's principle, through the circulating water in the high temperature burnt gas heating coil, come the heating to help the plating bath by the high temperature circulating water again, and the temperature of not only having guaranteed to help the plating bath has also reduced primary energy's use amount, energy -conserving and environmental protection.
Description
Technical field
This utility model relates to a kind of heater, particularly relates to a kind of heater for improving heat zinc coating auxiliary liquid temp, belongs to hot zinc plating equipment technical field.
Background technology
Technological requirement according to galvanizing, before workpiece galvanizing, workpiece is helped plating, the steelwork surface after pickling is allowed to be coated with last layer anti-oxidation salt film, simultaneously for reducing the temperature difference of zinc liquid temperature and workpiece, by improve quickening liquid temperature improve workpiece leaching zinc carry temperature, to reduce the thermal losses of zinc pot, improve leaching zinc quality.Traditional quickening liquid mode of heating is that the temperature placing electric heater temperature with workpiece to ensure quickening liquid in helping coating bath is close; but it is unreliable and the defect such as be easily damaged and cannot ensure that the temperature of quickening liquid meets technological requirement to be thus faced with the chemical attack of electric heating tube, earth leakage protective, meanwhile too increases power consumption.Therefore, the temperature range that a kind of quickening liquid heater that can overcome above-mentioned technological deficiency of exigence is constantly in technological requirement to keep the temperature of quickening liquid.
Summary of the invention
This utility model is just for the technological deficiency in the presence of existing quickening liquid mode of heating, the heater of a kind of heat zinc coating auxiliary liquid is provided, this device overall construction design is ingenious, use the principle of heat balance, it is collected heating quickening liquid to the EGT of burning, not only ensure that the temperature of quickening liquid does not the most increase extra electric energy loss, energy-conservation and environmental protection.
To achieve these goals, the technical solution adopted in the utility model is, a kind of heater of heat zinc coating auxiliary liquid, including heat transfer flue, flue heating coil, help coating bath, radiator coil tube, storage tank and water circulating pump, described flue heating coil is arranged in heat transfer flue, and described radiator coil tube is suspended on the side cell wall helping coating bath；The water inlet pipe of described water circulating pump connects the apopore of storage tank, the outlet pipe of water circulating pump connects the water inlet of flue heating coil by water-supply-pipe, the outlet of described flue heating coil connects the water inlet of radiator coil tube by the water-supply-pipe of band heat-insulation layer, and the outlet of radiator coil tube is connected with storage tank by water-supply-pipe.
As a kind of improvement of the present utility model, softening hydrotreater and Liquid level bar it is provided with in described storage tank, soften hydrotreater for the water in storage tank is carried out sofening treatment, prevent the water hardness too high and in pipeline fouling and affect the heat exchange efficiency of whole device, Liquid level bar is in the requirement water level of water circulating pump all the time for the liquid level controlled in storage tank, prevents hydropenia in case and causes in coil pipe without heat-exchanging water.
As a kind of improvement of the present utility model, the water outlet of described flue heating coil is provided with relief valve and Pressure gauge, the vent pressure of relief valve is not higher than 2MPa, manometric range is 0-10 MPa, relief valve and Pressure gauge with the use of, when when hypertonia in flue heating coil, the part hot water overflow in pipe can be discharged by relief valve, can effectively ensure that the safety of heat exchange.
As a kind of improvement of the present utility model, described flue heating coil is the coil pipe that the seamless steel pipe using caliber to be 65mm is welded into rectangular shape, the seamless pipe using 65mm caliber is welded in heating coil can make pipe has elevated pressures, the passage rate of water fast and in pipe the time of staying is short, can improve heat exchange efficiency；It addition, the volume of heating coil to be not more than the 1/3 of the cross-section volume of heat transfer flue, to ensure the normal ventilation of flue.
As a kind of improvement of the present utility model, described radiator coil tube is the coil pipe that the 316L stainless steel tube using caliber to be 75mm is welded slabbing, thus the installing space of coil pipe can be saved, the radiator coil tube of lamellar is suspended on the side cell wall helping coating bath, can accomplish without barrier the quickening liquid in groove to be heated, the most also can not affect the volume helping coating bath；Additionally, due to the resistance to strong acid corrosivity of 316L stainless steel tube is relatively good, therefore the service life of radiator coil tube is long.
As a kind of improvement of the present utility model, described softening hydrotreater uses ion exchange resin to carry out filtering softening to water as water filter.
As a kind of improvement of the present utility model, the caliber of the water inlet pipe and water outlet pipe of described water circulating pump is 75mm, and the bearing capacity of water circulating pump is no more than 5MPa, and the flow velocity of water pump is 30m/h.
Relative to prior art, overall construction design of the present utility model is ingenious, and dismounting assembles convenient maintenance and replacement, low cost and energy-conserving and environment-protective；Whole heater utilizes the principle of heat balance, the high temperature combustion exhaust in heat transfer flue (EGT is up to 250 DEG C) is utilized to carry out the recirculated water in heating flue heating coil, circulating water temperature is made to reach 90 DEG C, circulated in radiator coil tube by high temperature circulation water again, reach indirectly to heat the beneficial effect that quickening liquid makes its temperature be increased to 65 DEG C, thus instead of conventional electric heater, not only reduce electric energy loss and decrease the usage amount of primary energy；Owing to the burning waste gas in heat transfer flue is continuously, also also there is recirculated water in can ensureing two coil pipes by Liquid level bar in circulation continuously simultaneously, thus sustainable stably keep quickening liquid to have better suited temperature, be effectively increased workpiece helps plating efficiency and quality；Using the good effect of heat exchange of flue heating coil that is welded of extra heavy pipe and the flue heating coil of cuboid can ensure that flue has preferable ventilation rate in being placed on heat transfer flue, the performance of ventilating of flue is substantially unaffected；The volume of lamellar radiator coil tube using 316L stainless steel tube to be welded is little and resistance to strong acid corrosivity is good, has substantially no effect on the volume helping coating bath.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-heat transfer flue, 2-flue heating coil, 3-helps coating bath, 4-radiator coil tube, 5-storage tank, 6-water circulating pump, and 7-softens hydrotreater, 8-Liquid level bar, 9-relief valve and Pressure gauge.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with the accompanying drawings this utility model it is further described and introduce.
As shown in Figure 1, a kind of heater of heat zinc coating auxiliary liquid, including heat transfer flue 1, flue heating coil 2, helping coating bath 3, radiator coil tube 4, storage tank 5 and water circulating pump 6, described flue heating coil 2 to be arranged in heat transfer flue 1, described radiator coil tube 4 is suspended on the side cell wall helping coating bath 3.The water inlet pipe of described water circulating pump 6 connects the apopore of storage tank 5, the outlet pipe of water circulating pump 6 connects the water inlet of flue heating coil 2 by water-supply-pipe, the outlet of described flue heating coil 2 connects the water inlet of radiator coil tube 4 by the water-supply-pipe of band heat-insulation layer, and the outlet of radiator coil tube 4 is connected with storage tank 5 by water-supply-pipe.
Concrete, described flue heating coil 2 is the coil pipe that the seamless steel pipe using caliber to be 65mm is welded into rectangular shape, 65mm extra heavy pipe footpath is used to make the good effect of heat exchange of heating coil 2, and allow the volume of heating coil 2 be not more than heat transfer flue 1 cross-section volume 1/3, to ensure the normal ventilation of flue.Described radiator coil tube 4 is the coil pipe that the stainless steel tube using caliber to be 75mm is welded slabbing, the installing space of radiator coil tube 4 can be saved, accomplish in the case of having substantially no effect on the volume helping coating bath 3, quickening liquid to be heated, the efficiency height of heating and high insulating effect.Additionally, owing to the pH value of quickening liquid is typically between 4-4.5, not corroded to prevent radiator coil tube 4 to be chronically under strong acid environment, the 316L stainless steel tube using resistance to strong acid to corrode carries out being welded radiator coil tube 4, thus can be effectively improved service life and the heats of radiator coil tube 4.
Additionally, in order to ensure the safety of heat exchange, water outlet at described flue heating coil 2 is provided with relief valve and Pressure gauge 9, the vent pressure of relief valve is not higher than 2MPa, manometric range is 0-10 MPa, when when hypertonia in flue heating coil 2, the part hot water overflow in pipe can be discharged by relief valve.
Additionally, be provided with softening hydrotreater 7 and Liquid level bar 8 in described storage tank 5, soften hydrotreater 7 for the water in storage tank 5 is carried out sofening treatment, prevent the water hardness too high and in pipeline fouling and affect the heat exchange efficiency of whole device；It addition, the process water yield softening hydrotreater 7 reaches as high as 5m/h.Liquid level bar 8 is in the requirement water level of water circulating pump 6 all the time for the liquid level controlled in storage tank 5, prevents hydropenia in case and causes in coil pipe without heat-exchanging water or damage water circulating pump 6.The caliber of the water inlet pipe and water outlet pipe of described water circulating pump 6 is 75mm, and the bearing capacity of water circulating pump 6 is no more than 5MPa, and the flow velocity of water pump is 30m/h.
Technological means disclosed in this utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also includes the technical scheme being made up of above technical characteristic combination in any.It should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (8)
1. the heater of a heat zinc coating auxiliary liquid, it is characterized in that: include heat transfer flue, flue heating coil, help coating bath, radiator coil tube, storage tank and water circulating pump, described flue heating coil is arranged in heat transfer flue, and described radiator coil tube is suspended on the side cell wall helping coating bath；The water inlet pipe of described water circulating pump connects the apopore of storage tank, the outlet pipe of water circulating pump connects the water inlet of flue heating coil by water-supply-pipe, the outlet of described flue heating coil connects the water inlet of radiator coil tube by the water-supply-pipe of band heat-insulation layer, and the outlet of radiator coil tube is connected with storage tank by water-supply-pipe.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 1, it is characterised in that described flue heating coil is the coil pipe that the seamless steel pipe using caliber to be 65mm is welded into rectangular shape.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 1, it is characterised in that described radiator coil tube is the coil pipe that the 316L stainless steel tube using caliber to be 75mm is welded slabbing.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 1, it is characterised in that the water outlet of described flue heating coil is provided with relief valve and Pressure gauge.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 1, it is characterised in that the volume of described flue heating coil is not more than the 1/3 of the cross-section volume of heat transfer flue.
6. the heater of a kind of heat zinc coating auxiliary liquid as described in any one of claim 1-5, it is characterised in that be provided with softening hydrotreater and Liquid level bar in described storage tank.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 6, it is characterised in that described softening hydrotreater uses ion exchange resin as water filter.
The heater of a kind of heat zinc coating auxiliary liquid the most as claimed in claim 7, it is characterised in that the caliber of the water inlet pipe and water outlet pipe of described water circulating pump is 75mm, the bearing capacity of water circulating pump is no more than 5MPa, and the flow velocity of water pump is 30m/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445896.9U CN205655712U (en) | 2016-05-17 | 2016-05-17 | Heating device for hot -galvanize helps plating bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620445896.9U CN205655712U (en) | 2016-05-17 | 2016-05-17 | Heating device for hot -galvanize helps plating bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205655712U true CN205655712U (en) | 2016-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620445896.9U Expired - Fee Related CN205655712U (en) | 2016-05-17 | 2016-05-17 | Heating device for hot -galvanize helps plating bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205655712U (en) |
Cited By (1)
| 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 |
-
2016
- 2016-05-17 CN CN201620445896.9U patent/CN205655712U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20190517 |