CN203045229U - Tool allowing arranging locating blocks on heat exchange tubes - Google Patents
Tool allowing arranging locating blocks on heat exchange tubes Download PDFInfo
- Publication number
- CN203045229U CN203045229U CN 201320025636 CN201320025636U CN203045229U CN 203045229 U CN203045229 U CN 203045229U CN 201320025636 CN201320025636 CN 201320025636 CN 201320025636 U CN201320025636 U CN 201320025636U CN 203045229 U CN203045229 U CN 203045229U
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- CN
- China
- Prior art keywords
- heat exchanger
- exchanger tube
- heat exchange
- exchange tubes
- fixed
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a tool allowing arranging locating blocks on heat exchange tubes conveniently, and installation dimensions of the locating blocks are accurate. The tool allowing arranging the locating blocks on the heat exchange tubes comprises a rack, a pair of supports are arranged on the rack, the two supports are connected through three fixed rods which are arranged in a triangular mode, a plurality of supporting rings are arranged among the three fixed rods, and clamping devices allowing tightly pressing the fixed blocks on the heat exchange tubes are arranged on the fixed rods. The tool allowing arranging the locating blocks to arrange on the heat exchange tubes has the advantages that the heat exchange tubes are placed on the supporting rings, and then fixed blocks are placed on the heat exchange tubes, the clamping devices are used for clamping the fixed blocks on the heat exchange tubes, and the fixed blocks can be welded immediately. The tool allowing arranging the locating blocks to arrange on the heat exchange tubes is convenient, quick and simple in the process of operation.
Description
Technical field
The utility model relates to and a kind of locating piece is installed in frock on the heat exchanger tube.
Background technology
Coal gasification is a kind of coal utilization technology of cleaning, can avoid the directly pollution of burning of coal, and the coal gasification mode is utilized the energy efficiency height of coal.By coal gasification, change the solid coal raw material gas raw material of cleaning into, reprocessing becomes oil, chemical products or electricity, and advanced Coal Gasification Technology is one of key technology of coal high-efficiency clean utilization.
It is one of method of present high effect cleaning coal trans-utilization in the world that KBR transports bed (TRIG) Coal Gasification Technology, and this technology adopts high recycle ratio, reaches even mixing, improves the utilization rate of coal; Can adopt air gasification and oxygen gasified two kinds of patterns to be applied to respectively to generate electricity and the production of downstream product such as chemical fertilizer, methyl alcohol, hydrogen, liquid fuel and alkene, industry application is wide; Adopt solid-state ash discharge, reduce pollutant emission, market prospects are wide.Traditional coal gasification dust removing system adopts direct water-cooling mostly, produces Heisui River, and this Heisui River has very strong corrosivity, need use the corrosion-resistant material preparation for the treatment of the equipment in this Heisui River; Employing lock hopper decompression, intermittently operated, serious wear has mobile device, and cost of investment is high and operation troubles takes place easily.
The dust removing system that KBR transports bed (TRIG) Coal Gasification Technology adopts contactless indirect cooling, and contacting of ash and water eliminated in preboiler feedwater simultaneously, avoided the generation in Heisui River from the source; Adopt continuous ash discharge, cooling, depressurized system, no mobile device, reliable, reach the minimum waste disposal cost.
KBR coal gasification apparatus dust removing system cooler adopts bayonet formula heat exchanger tube, avoided the HTHP heat exchanger better since thermal expansion and thermal stress to the destruction of equipment key structure, it comprises the cylindrical shell that is equiped with tube sheet, be equiped with outer heat exchanger tube on the tube sheet, be respectively installed with pipe in the heat exchange in the outer heat exchanger tube, Guan Yiduan is free end in the heat exchange, the other end be assemblied in boiler feedwater inlet tube nose end and be connected.When the HTHP dusty gas enters shell side, only shell side and heat exchange outer tube bear HTHP, and the low pressure bobbin carriage only bears the pressure of outlet water and steam, reduce the built-in thermal stress of tube sheet, reduced because the damage that thermal stress causes equipment improves the Waste Heat Recovery effect simultaneously.For this type of bayonet formula heat exchanger tube cooler, outer heat exchanger tube is excessive or too smallly all can influence flow behavior and heat transfer property with the spacing of the interior pipe of heat exchange, produce vibrations and the skew of pipe in the heat exchange in working order, therefore adopted locating piece at the heat exchange outer wall of inner tube, made to be in control better elastic in the heat exchange and to fix.But in heat exchange, bring following problem in the installation process of pipe locating piece:
1. length of tube is long in the heat exchange, is difficult to guarantee the location dimension of locating piece length direction in scratching process.
2. the heat exchange diameter of inner pipe is little, is difficult to guarantee the circumferential location dimension of locating piece in scratching process.
3. the deflection in the welding process can't be guaranteed in the little welding process of heat exchange diameter of inner pipe, thereby the locating piece top can't be reached to the gap that requires between outer heat exchanger tube inwall.
4. pipe One's name is legion in the heat exchange, every has 18 locating pieces, total hundreds and thousands of the locating pieces of adding up, if according to the line of routine: labour intensity is big, workload is big, expend the plenty of time,, the dimensional accuracy of locating piece is difficult to assurance.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of locating piece installation dimension accurate, and easily locating piece is installed in the frock on the heat exchanger tube.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of locating piece is installed in frock on the heat exchanger tube, comprise frame, frame is provided with pair of brackets, link to each other by three fixed bars of arranging triangular in shape between the two stands, be provided with several support rings between three fixed bars, the hold down gag that fixed block can be pressed on the heat exchanger tube is set respectively on the fixed bar.
The screw of described hold down gag for being threaded with fixed bar.
Described hold down gag is made up of with the wing nut of fixedlying connected with screw rod the screw rod that is threaded on the fixed bar, and fixed bar is stretched out at the two ends of screw rod respectively, and an end is pressed on fixed block on the heat exchanger tube, and the other end is fixedlyed connected with wing nut.
Described fixed bar two ends are respectively arranged with annular rolling disc, and three fixed bars are fixedlyed connected with annular rolling disc respectively, and rolling disc rotates respectively and is arranged on the corresponding support.
The edge of described rolling disc is provided with the tooth mouth of distribution triangular in shape, and frame is provided with the gap that matches with the tooth mouth, forms a pin-and-hole when the tooth mouth contacts with gap, is provided with pin in this pin-and-hole.
The beneficial effects of the utility model are: heat exchanger tube is placed in the support ring, place fixed block at heat exchanger tube then, with hold down gag fixed block is pressed on the heat exchanger tube again, just can weld fixed block immediately, the aforesaid operations process is convenient, fast, and is simple.
Description of drawings
Fig. 1 is the front view that the utility model is installed in locating piece the frock on the heat exchanger tube;
Fig. 2 is the side view of Fig. 1.
Among the figure: 1, frame, 2, support, 3, fixed bar, 4, support ring, 5, screw rod, 6, wing nut, 7, rolling disc, 8, the tooth mouth, 9, pin, 10, heat exchanger tube.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1 and Figure 2, described in the utility model locating piece is installed in frock on the heat exchanger tube, comprise frame 1, frame 1 is provided with pair of brackets 2, link to each other by three fixed bars of arranging 3 triangular in shape between the two stands 2, be provided with several support rings 4 between three fixed bars 3, be respectively arranged with the hold down gag that fixed block can be pressed on the heat exchanger tube on the fixed bar 3.In actual production, the screw of described hold down gag for being threaded with fixed bar.Described hold down gag also can be made up of with the wing nut 6 of fixedlying connected with screw rod 5 screw rod 5 that is threaded on the fixed bar, fixed bar 3 is stretched out at the two ends of screw rod 5 respectively, one end is pressed on fixed block on the heat exchanger tube, and the other end is fixedlyed connected with wing nut 6.Because the words of fixed block directly over heat exchanger tube, the welder is more convenient in welding, therefore at the fixed bar two ends 7, three fixed bars of annular rolling disc are set respectively and fixedly connected with annular rolling disc 7 respectively, rolling disc 7 rotates respectively and is arranged on the corresponding support 2.Fixed block and the heat exchanger tube that will weld can be rotated together like this, make fixed block be positioned at heat exchanger tube 10 directly over.In order to prevent that rolling disc 7 rotates in welding, the edge of described rolling disc 7 is provided with the tooth mouth 8 of distribution triangular in shape, frame is provided with the gap that matches with tooth mouth 8, forms a pin-and-hole when tooth mouth 8 contacts with gap, is provided with pin 9 in this pin-and-hole.
Operation principle of the present utility model is: heat exchanger tube 10 is stretched into from a rolling disc 7, make an end of heat exchanger tube 10 flush with the lateral surface of another rolling disc 7.The middle part of heat exchanger tube is arranged in support ring 4, and locating piece is placed on the heat exchanger tube 10, rotates wing nut 6 then and screw rod 5 is stretched out and locating piece is withstood on the heat exchanger tube 10, just can weld fixed block subsequently.When the fixed block below the needs welding, can rotate rolling disc 7, make the fixed block of required welding be positioned at directly over the heat exchanger tube 10, then pin 9 is filled in the pin-and-hole between tooth mouth 8 and the gap, stop rolling disc 7 to rotate voluntarily, be convenient to welder's welding.The utility model can be guaranteed the quality the locating piece of heat exchanger tube outer wall, the guarantor measures, finishes fast, reaches the spacing requirement of pipe in outer heat exchanger tube and the heat exchange, thereby guarantees flowing and heat-transfer effect of cinder cooler.This frock can also be applied to the installation of pipe locating piece in other bayonet formula heat exchanger tube cooler heat exchange.
Claims (5)
1. locating piece is installed in the frock on the heat exchanger tube, it is characterized in that: comprise frame, frame is provided with pair of brackets, link to each other by three fixed bars of arranging triangular in shape between the two stands, be provided with several support rings between three fixed bars, be respectively arranged with the hold down gag that fixed block can be pressed on the heat exchanger tube on the fixed bar.
2. according to claim 1 locating piece is installed in frock on the heat exchanger tube, it is characterized in that: the screw of described hold down gag for being threaded with fixed bar.
3. according to claim 1 locating piece is installed in frock on the heat exchanger tube, it is characterized in that: described hold down gag is made up of with the wing nut of fixedlying connected with screw rod the screw rod that is threaded on the fixed bar, fixed bar is stretched out at the two ends of screw rod respectively, one end is pressed on fixed block on the heat exchanger tube, and the other end is fixedlyed connected with wing nut.
4. according to claim 1 locating piece is installed in frock on the heat exchanger tube, it is characterized in that: described fixed bar two ends are respectively arranged with annular rolling disc, three fixed bars are fixedlyed connected with annular rolling disc respectively, and rolling disc rotates respectively and is arranged on the corresponding support.
5. according to claim 4 locating piece is installed in frock on the heat exchanger tube, it is characterized in that: the edge of described rolling disc is provided with the tooth mouth of distribution triangular in shape, frame is provided with the gap that matches with the tooth mouth, when the tooth mouth contacts with gap, form a pin-and-hole, be provided with pin in this pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025636 CN203045229U (en) | 2013-01-17 | 2013-01-17 | Tool allowing arranging locating blocks on heat exchange tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320025636 CN203045229U (en) | 2013-01-17 | 2013-01-17 | Tool allowing arranging locating blocks on heat exchange tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045229U true CN203045229U (en) | 2013-07-10 |
Family
ID=48728225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320025636 Withdrawn - After Issue CN203045229U (en) | 2013-01-17 | 2013-01-17 | Tool allowing arranging locating blocks on heat exchange tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203045229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084768A (en) * | 2013-01-17 | 2013-05-08 | 苏州海陆重工股份有限公司 | Tooling enabling located block to be arranged on heat exchange tube |
-
2013
- 2013-01-17 CN CN 201320025636 patent/CN203045229U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103084768A (en) * | 2013-01-17 | 2013-05-08 | 苏州海陆重工股份有限公司 | Tooling enabling located block to be arranged on heat exchange tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20141224 |
|
| RGAV | Abandon patent right to avoid regrant |