CN209380132U - A kind of preheating device for heat exchange pipe head welding - Google Patents
A kind of preheating device for heat exchange pipe head welding Download PDFInfo
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- CN209380132U CN209380132U CN201822267153.9U CN201822267153U CN209380132U CN 209380132 U CN209380132 U CN 209380132U CN 201822267153 U CN201822267153 U CN 201822267153U CN 209380132 U CN209380132 U CN 209380132U
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Abstract
The utility model discloses a kind of preheating devices for heat exchange pipe head welding, bracket, a plurality of heating module and heat preservation module, the crawler type fire-bar for being located on circumference on the outside of heat exchange pipe head, the temperature control box for adjusting heating module and crawler type fire-bar temperature respectively being set on bracket that can individually dismount including being set to heat exchange tube cephalic par；When preheating device is in heating mode, heating module, heat preservation module are successively alternately arranged from top to bottom to be set on bracket；When preheating device is in bond pattern, welding vacancy is installed on bracket, successively the alternately arranged top for being set to welding vacancy, another part heating module and heat preservation module are successively alternately arranged set on the lower section for welding vacancy from top to bottom from the bottom up for a part of heating module and heat preservation module；It welds above and below vacancy close to heating module；Heating module and heat preservation module are parallel to each other, perpendicular to the axial line of heat exchange pipe head.The utility model preheating device, low energy consumption, highly-safe.
Description
Technical field
The utility model relates to a kind of preheating devices for heat exchange pipe head welding.
Background technique
The products such as heat exchanger, waste heat boiler are as a kind of heat-exchange apparatus in industrial applications such as oil refining, chemical industry, pharmacy
Widely.It is higher to the heat exchange pipe head welding requirements of equipment under certain operating conditions.For example it is needed before heat exchange pipe head welding
Welding position preheated, be preheating to certain temperature, weld job can be implemented, otherwise will affect the whole matter of equipment
Amount.Currently, the temperature preheated before welding is higher and higher, to heating, preheating device from the point of view of with regard to the tube head welding requirements of waste heat boiler
Requirement also correspondingly increase.
When existing tube head heating pre-heating device heating, by crawler type electric heater with iron wire bundled fixed in tube sheet table
Face, and monolith heat-preservation cotton is covered on its surface.After temperature reaches the requirement of tube head welding, the electricity for needing to remove welding region adds
Then heat block and monolith heat-preservation cotton come into effect tube head welding.The electric heating block not being removed is still working, at this time electric heating block
Be it is exposed, without any protective device, welding worker in operation it is careless slightly will encounter electric heating block, cause to scald, deposit
In some potential safety problems.Simultaneously as the electric heating block not being removed be it is exposed, heat loss is serious, increases power consumption
Amount, improves production cost.In addition, welding portion is due to being removed electric heating block, tube sheet tube head is exposed, temperature reduces, especially
It is when exposed tube head area is larger, other exposed bottom hole temperatures have declined after being soldered several tube heads, and welding is not achieved
It is required that it is then desired to rifle flame local heating again is dried, so that exposed bottom hole temperature reaches welding requirement.It can be seen that should add
The problems such as that there are production efficiencys is low for hot equipment, and energy waste is serious, Yi Fasheng scald accident.
Summary of the invention
The purpose of the utility model is to provide a kind of preheating devices for heat exchange pipe head welding, keep the temperature to welding position
Effect is good, and energy consumption is lower, safety is higher.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
A kind of preheating device for heat exchange pipe head welding, the bracket, more including being set to the heat exchange tube cephalic par
Item can individually dismount be set to the bracket on heating module, it is a plurality of can individually dismount be set to the bracket on heat preservation mould
Block, the crawler type fire-bar for being located on circumference on the outside of the heat exchange pipe head, for adjusting the heating module and described respectively
The temperature control box of crawler type fire-bar temperature；
The preheating device has heating mode and bond pattern:
When the preheating device is in the heating mode, the heating module, the heat preservation module are from top to bottom successively
It is alternately arranged to be set on the bracket；
When the preheating device is in the bond pattern, welding vacancy is installed on the bracket, a part is described to be added
Thermal modules and the heat preservation module successively alternately arranged top set on the welding vacancy from the bottom up, described in another part
Heating module and the heat preservation module are successively alternately arranged set on the lower section for welding vacancy from top to bottom；The welding is empty
Close to the heating module above and below position；
The heating module and the heat preservation module are parallel to each other, and are each perpendicular to the axial line side of the heat exchange pipe head
To.
Preferably, the heat preservation module and the heating module are horizontally extending, and orientation is vertical side
To；
When the preheating device is in the heating mode and the bond pattern, the heat preservation module that is arranged successively and
The left and right ends of the heating module exceed the left and right ends of the heat exchange pipe head；The heating module that is arranged successively and
The upper and lower ends of the heat preservation module exceed the upper and lower ends of the heat exchange pipe head.
Preferably, the heating module include the horizontal box of the first metal, the heat block in the horizontal box of the first metal and
First heat-preservation cotton is used to adsorb the first high temperature resistant magnet on the bracket on the horizontal box of the first metal.
It is highly preferred that the heat block is located at first heat-preservation cotton close to the side of the heat exchange pipe head.
It is highly preferred that the heating module further includes in the horizontal box of the first metal for contradicting the heat exchanger tube
The thermocouple of position to be welded on tube head.
It is highly preferred that the heating module further includes the first connection jaws being opened on the horizontal box of the first metal.
Preferably, the heat preservation module includes the horizontal box of the second metal, the second heat preservation in the horizontal box of the second metal
Cotton is used to adsorb the second high temperature resistant magnet on the bracket on the horizontal box of the second metal.
Due to the application of the above technical scheme, the utility model has the advantage that this is practical new compared with prior art
Type it is a kind of for heat exchange pipe head welding preheating device, by be arranged on bracket multiple heating modules that can individually dismount and
Heat preservation module, when preheating, save energy consumption；When welding, only remove the module of corresponding welding empty place, and welding vacancy close to
Upper and lower be arranged heating module, not only ensure that whole pre-heat effect, while also ensuring the lasting heat preservation of weld, energy
Consume lower, safety is higher.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram (bond pattern) of utility model device；
Attached drawing 2 is the side view of attached drawing 1；
Attached drawing 3 is the side view of heating module；
Attached drawing 4 is the side view of heat preservation module.
Wherein: 1, heat exchange pipe head；2, bracket；3, heating module；4, heat preservation module；5, crawler type fire-bar；6, it welds
Vacancy；7, the horizontal box of the first metal；8, heat block；9, the first heat-preservation cotton；10, the first high temperature resistant magnet；11, the first connection jaws；12,
The horizontal box of second metal；13, the second heat-preservation cotton；14, the second high temperature resistant magnet.
Specific embodiment
The technical solution of the utility model is further elaborated with reference to the accompanying drawing.
It is shown in Figure 1, a kind of above-mentioned preheating device welded for heat exchange pipe head 1, including it is set to heat exchange pipe head 1
The bracket 2 of end, it is a plurality of can individually dismount be set to bracket 2 on heating module 3, it is a plurality of can individually dismount be set to bracket 2
On heat preservation module 4, be located on 1 outside circumference of heat exchange pipe head crawler type fire-bar 5, for respectively adjust heating module 3
With the temperature control box of 5 temperature of crawler type fire-bar.
In the present embodiment, heating module 3 and heat preservation module 4 are parallel to each other, and are each perpendicular to the axial line of heat exchange pipe head 1
Direction.
Preheating device has heating mode and bond pattern:
When preheating device is in heating mode, heating module 3, heat preservation module 4 are successively alternately arranged from top to bottom to be set to
On bracket 2, for being 1 heating and thermal insulation of heat exchange pipe head, it is arranged by this, when preheating saves energy consumption.
When preheating device is in bond pattern, welding vacancy 6, a part of heating module 3 and heat preservation mould are installed on bracket 2
The successively alternately arranged top for being set to welding vacancy 6 from the bottom up of block 4, another part heating module 3 and heat preservation module 4 are from upper
It is successively alternately arranged down to be set to the lower section for welding vacancy 6；It welds above and below vacancy 6 close to heating module 3；Weldering
When connecing, the module at corresponding welding vacancy 6 is only removed, and heating module 3 is set in the welding adjacent upper and lower in vacancy 6, not only
It ensure that whole pre-heat effect, while also ensuring the lasting heat preservation of weld, energy consumption is lower, and safety is higher.
In the present embodiment, heat preservation module 4 and heating module 3 are horizontally extending, and orientation is vertical side
To；When preheating device is in heating mode and bond pattern, the left and right ends of the heat preservation module 4 and heating module 3 that are arranged successively
Exceed the left and right ends of heat exchange pipe head 1；The upper and lower ends of the heating module 3 and heat preservation module 4 that are arranged successively, which exceed, changes
The upper and lower ends of heat pipe tube head 1.It is arranged by this, exchange heat pipe tube head 1 that can be whole carries out preheating insulation.Each heating
Module 3 and heat preservation module 4 be all it is independent, can be dismantled according to the actual situation.
Heating module 3 include the horizontal box 7 of the first metal, the heat block 8 in the horizontal box 7 of the first metal and the first heat-preservation cotton 9,
The first high temperature resistant magnet 10 for being adsorbed on bracket 2 on the horizontal box 7 of the first metal.
In the present embodiment, by the way that the first high temperature resistant magnet 10 is respectively set at horizontal 7 both ends of box of the first metal, for convenient
Adsorb and be detached from bracket 2, make to dismount more convenient, save the material of binding and artificial.
In the present embodiment, heat block 8 is located at the first heat-preservation cotton 9 close to the side of heat exchange pipe head 1.When welding, heating
Block 8 is then located at the first side of the heat-preservation cotton 9 far from worker, can effectively avoid scald worker.By the setting, heat pipe is exchanged
Heat insulation effect is good when tube head 1 heats, and heat loss is few, is effectively saved electricity consumption, and the thermal efficiency significantly improves；Simultaneously because heat preservation
Effect is good, reduces the heat radiation to welder in the welding process, and working efficiency also greatly improves.
In the present embodiment, heating module 3 further includes in the horizontal box 7 of the first metal for contradicting heat exchange pipe head 1
The thermocouple of upper position to be welded.Thermocouple can also be connect by connecting wire with temperature control box, heat exchange tube when heating in this way
First 1 actual temperature will feed back to temperature control box by thermocouple, monitor the temperature of position to be welded in real time by temperature control box, then
The temperature close to the heating module 3 for welding about 6 two sides of vacancy is adjusted by the way that temperature control box is corresponding, so that position to be welded
Temperature can meet always welding temperature.
In the present embodiment, heating module 3 further includes the first connection jaws 11 for being opened in horizontal 7 both ends of box of the first metal, is led to
This setting is crossed, keeps the connection of high temperature wire in perfect order, is avoided because of the rambling connection bring safety of high temperature wire
Hidden danger has and dismounts convenient, highly reliable advantage.
Heat preservation module 4 includes the horizontal box 12 of the second metal, the second heat-preservation cotton 13 in the horizontal box 12 of the second metal, is set to the
The second high temperature resistant magnet 14 for being adsorbed on bracket 2 on the horizontal box 12 of two metals.
By the way that heat preservation module 4 is separately provided, in the case where heating equal welding area, due to having used heat preservation module 4,
Reduce the configuration of heating module 3, is equivalent to the utilization rate for improving heating equipment.For example, traditional crawler type electric heater, 12
Block electric heating block configures a 120 type temperature control boxs, forms a set of electric heater unit.And preheating device of the invention, same 12 pieces
Electric heating block may be split into two sets of preheating devices, reduces production cost, improves production efficiency.
In the present embodiment, by the way that the second high temperature resistant magnet 14 is respectively set at horizontal 12 both ends of box of the second metal, for just
Prompt adsorbing with bracket 2 is detached from, and makes to dismount more convenient, saves the material of binding and artificial.
By using the fixed heating module 3 of high temperature resistant magnet and heat preservation module 4, keep the arrangement of preheating device in good order,
Solve that conventional track formula electric heater is needed with iron wire bundled fixed electric heating block, dismounting is cumbersome and waste iron wire material and artificial
The problem of.
When implementing welding, since heating module 3 is only bundled by high temperature resistant magnet is fixed without iron wire, remove to be welded
It is convenient and efficient when the heating module 3 at position, it is time saving and energy saving.Again due to 3 small volume of heating module, remove rear exposed tube sheet,
Tube head area is accordingly also small, and heat dissipation is few, convenient for completing welding in time, solves crawler type electric heater and is moving monolith heat-preservation cotton out
When with electric heating block, rapid heat dissipation, temperature reduction is obvious, welding requirement is not achieved, needs repeatedly to be heated with baking rifle flame to keep applying
The problem of welding spot temperature, has the characteristics that high production efficiency, low energy consumption.
The course of work of lower the present embodiment is illustrated in detail below:
Exchange heat pipe tube head 1 first is preheated, and heating module 3 and heat preservation module 4 are successively alternately arranged on bracket 2,
Temperature control box is adjusted by the real time temperature that thermocouple is fed back, the temperature for feeding back thermocouple meets welding condition；
Then the module formation welding vacancy 6 that position to be welded is corresponded on bracket 2 is removed, and in the top in welding vacancy 6
It is successively alternately arranged heating module 3 and heat preservation module 4, is successively alternately arranged heating module 3 and heat preservation in the lower section in welding vacancy 6
Module 4, the temperature for feeding back thermocouple meets welding condition always, to position to be welded welding.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (7)
1. a kind of preheating device for heat exchange pipe head welding, it is characterised in that: including being set to the heat exchange tube cephalic par
Bracket, it is a plurality of can individually dismount be set to the bracket on heating module, it is a plurality of can individually dismount be set to the bracket
On heat preservation module, be located on circumference on the outside of the heat exchange pipe head crawler type fire-bar, for adjusting the heating respectively
The temperature control box of module and the crawler type fire-bar temperature；
The preheating device has heating mode and bond pattern:
When the preheating device is in the heating mode, the heating module, the heat preservation module successively replace from top to bottom
Arrangement is set on the bracket；
When the preheating device is in the bond pattern, welding vacancy, a part of heated mould are installed on the bracket
Block and the heat preservation module successively alternately arranged top set on the welding vacancy from the bottom up are heated described in another part
Module and the heat preservation module are successively alternately arranged set on the lower section for welding vacancy from top to bottom；The welding vacancy
Above and below close to the heating module；
The heating module and the heat preservation module are parallel to each other, and are each perpendicular to the direction of axis line of the heat exchange pipe head.
2. a kind of preheating device for heat exchange pipe head welding according to claim 1, it is characterised in that: the heat preservation
Module and the heating module are horizontally extending, and orientation is vertical direction；
When the preheating device is in the heating mode and the bond pattern, the heat preservation module that is arranged successively and described
The left and right ends of heating module exceed the left and right ends of the heat exchange pipe head；The heating module that is arranged successively and described
The upper and lower ends of heat preservation module exceed the upper and lower ends of the heat exchange pipe head.
3. a kind of preheating device for heat exchange pipe head welding according to claim 1, it is characterised in that: the heating
Module includes the horizontal box of the first metal, the heat block in the horizontal box of the first metal and the first heat-preservation cotton, is set to described first
It is used to adsorb the first high temperature resistant magnet on the bracket on the horizontal box of metal.
4. a kind of preheating device for heat exchange pipe head welding according to claim 3, it is characterised in that: the heating
Block is located at first heat-preservation cotton close to the side of the heat exchange pipe head.
5. a kind of preheating device for heat exchange pipe head welding according to claim 3, it is characterised in that: the heating
Module further includes in the horizontal box of the first metal for contradicting the thermocouple of position to be welded on the heat exchange pipe head.
6. a kind of preheating device for heat exchange pipe head welding according to claim 3, it is characterised in that: the heating
Module further includes the first connection jaws being opened on the horizontal box of the first metal.
7. a kind of preheating device for heat exchange pipe head welding according to claim 1, it is characterised in that: the heat preservation
Module includes the horizontal box of the second metal, the second heat-preservation cotton in the horizontal box of the second metal, is set to the horizontal box of the second metal
On for adsorbing the second high temperature resistant magnet on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267153.9U CN209380132U (en) | 2018-12-29 | 2018-12-29 | A kind of preheating device for heat exchange pipe head welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267153.9U CN209380132U (en) | 2018-12-29 | 2018-12-29 | A kind of preheating device for heat exchange pipe head welding |
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| Publication Number | Publication Date |
|---|---|
| CN209380132U true CN209380132U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267153.9U Active CN209380132U (en) | 2018-12-29 | 2018-12-29 | A kind of preheating device for heat exchange pipe head welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623209A (en) * | 2018-12-29 | 2019-04-16 | 张家港市江南锅炉压力容器有限公司 | A kind of preheating device for heat exchange pipe head welding |
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2018
- 2018-12-29 CN CN201822267153.9U patent/CN209380132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623209A (en) * | 2018-12-29 | 2019-04-16 | 张家港市江南锅炉压力容器有限公司 | A kind of preheating device for heat exchange pipe head welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215635 No.139 Gangfeng Road, Yangzijiang International Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province (Jiangnan boiler) Patentee after: Jiangsu Jiangguo Intelligent Equipment Co.,Ltd. Address before: 215635 No.139 Gangfeng Road, Yangzijiang International Chemical Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province (Jiangnan boiler) Patentee before: Jiangnan Boilers & Pressure Vessels (Zhangjiagang) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |