CN212619355U - Heat exchange tube set structure for rectangular water jacket heating furnace - Google Patents

Heat exchange tube set structure for rectangular water jacket heating furnace Download PDF

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Publication number
CN212619355U
CN212619355U CN202021349843.XU CN202021349843U CN212619355U CN 212619355 U CN212619355 U CN 212619355U CN 202021349843 U CN202021349843 U CN 202021349843U CN 212619355 U CN212619355 U CN 212619355U
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China
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coil pipe
furnace body
heat exchange
pipe
water jacket
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CN202021349843.XU
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Chinese (zh)
Inventor
张�林
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Sichuan Lingyun Construction Technology Co ltd
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Sichuan Lingyun Construction Technology Co ltd
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Abstract

The utility model relates to a natural gas well station firing equipment technical field, concretely relates to heat exchange tube group structure that rectangle water jacket heating furnace used, including setting up one-level coil pipe, second grade coil pipe and the smoke and fire tube in the furnace body, one-level coil pipe and second grade coil pipe pass through the medium liquid in the furnace body and link to each other with the heat conduction of smoke and fire tube, one-level coil pipe covers behind the furnace body and forms one-level coil pipe import and one-level coil pipe export, second grade coil pipe covers behind the furnace body and forms second grade coil pipe import and second grade coil pipe export, one-level coil pipe export and second grade coil pipe import are linked together through throttling arrangement, one-level coil pipe and second grade coil pipe all include many line type gas-. So that the heat exchange tube group is matched with the structure of the rectangular furnace body, and the heat efficiency in the furnace body is improved.

Description

Heat exchange tube set structure for rectangular water jacket heating furnace
Technical Field
The utility model relates to a natural gas well station firing equipment technical field, concretely relates to heat exchange tube group structure that rectangle water jacket heating furnace used.
Background
In the process of exploitation, transportation and application of natural gas, decompression is often needed, the natural gas temperature is greatly reduced when the pressure drop is large, the natural gas is heated, so that the natural gas is prevented from being precipitated and condensed into solid due to too low temperature, accidents caused by blocking of pipeline equipment are prevented, meanwhile, the natural gas is required to be kept at a certain temperature due to process requirements, and the natural gas temperature is usually kept by using a natural gas water jacket heating furnace.
The water jacket heating furnace is mainly used for heating natural gas in the gathering and transportation process and controlling the temperature fluctuation within a certain range so as to carry out the next process operation. At present, about 20000 water jacket heating furnaces are used in China, and a complete set of standard system of the conventional heating furnace is formed. Such as: specification of SYT 5262-.
Traditional water jacket heating furnace is the cylinder, for seeking technical breakthrough, realizes cost reduction and increase, and this company breaks conventional mode, adopts the rectangle furnace body to realize cost reduction and increase, when adopting the rectangle furnace body, needs to adopt the heat exchange tube group structure of its adaptation to realize the heating of natural gas, and then realizes the promotion of thermal efficiency through this heat exchange tube group.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat exchange tube group structure that rectangle water jacket heating furnace used to make the structure looks adaptation of heat exchange tube group and rectangle furnace body, and make the thermal efficiency in the furnace body promote.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a heat exchange tube group structure used for a rectangular water jacket heating furnace comprises a primary coil, a secondary coil and a smoke and fire tube which are arranged in a furnace body, wherein the primary coil and the secondary coil are in heat conduction connection with the smoke and fire tube through medium liquid in the furnace body;
the primary coil pipe is provided with a primary coil pipe inlet and a primary coil pipe outlet on the rear cover of the furnace body, the secondary coil pipe is provided with a secondary coil pipe inlet and a secondary coil pipe outlet on the rear cover of the furnace body, and the primary coil pipe outlet is communicated with the secondary coil pipe inlet through a throttling device;
the primary coil pipe and the secondary coil pipe both comprise a plurality of linear air conveying pipes communicated through U-shaped pipes.
The further technical scheme is that the smoke and fire tube comprises a fire tube and a smoke tube, one end of the fire tube penetrates out of the furnace body and is connected with a burner, the other end of the fire tube is connected with a middle smoke box in the furnace body, one end of the fire tube is connected with the middle smoke box, the other end of the fire tube is connected with a tail smoke box arranged outside the furnace body, and a chimney is arranged on the upper side of the tail smoke box.
The technical scheme is that the fire tube comprises a plurality of fire tubes, wherein the fire tubes are symmetrically distributed on two sides of the fire tube, the outer diameter of each fire tube is 377mm, and the outer diameter of each fire tube is 114 mm.
A further technical scheme is that the first-level coil pipe and the second-level coil pipe are fixed in positions through vertically arranged supporting plates, a plurality of yielding holes used for containing the first-level coil pipe and the second-level coil pipe are formed in the supporting plates, supporting frames are arranged at the bottoms of the supporting plates, and supporting seats used for sliding connection of the supporting frames are arranged in the furnace body.
A further technical scheme is that the support frame includes two crossbeam pipes and evenly sets up a plurality of longitudinal beams pipes between two crossbeam pipes, the equal vertical strengthening rib that is equipped with of upside of crossbeam pipe, the downside and the supporting seat of crossbeam pipe slide and link to each other, and the vertical spacing seat that is used for preventing the support frame from taking place skew from the supporting seat that is equipped with of downside at the longitudinal beams pipe.
According to a further technical scheme, clamping grooves are vertically formed in the reinforcing ribs, and the lower ends of the supporting plates are clamped in the clamping grooves.
According to a further technical scheme, the supporting plate comprises a top plate, a bottom plate and a rotating plate, the rotating plate comprises a first rotating portion and a second rotating portion which are hinged up and down, a plurality of semicircular through holes are formed in the top plate, the bottom plate, the first rotating portion and the second rotating portion, the upper side of the first rotating portion is detachably connected with the top plate, the lower side of the second rotating portion is detachably connected with the bottom plate, the through holes between the top plate and the first rotating portion are in closed connection with the abdicating holes after the top plate is connected with the rotating plate, and the through holes between the bottom plate and the second rotating portion are in closed connection with the abdicating holes after the bottom plate is connected with the rotating plate;
the lower end of the bottom plate is clamped in the clamping groove.
A first connecting groove is formed in the lower side of the top plate, a first connecting plug pin is arranged on the upper side of the first rotating part, and when the top plate is connected with the rotating plate, the first connecting plug pin is arranged in the first connecting groove;
the downside of second rotation portion is equipped with the second spread groove, the upside of bottom plate is equipped with second connecting pin, and when bottom plate and rotor plate linked to each other, second connecting pin set up in the second spread groove.
The technical scheme is that the rotating plates are arranged in a plurality of vertical overlapped connection, and when two adjacent rotating plates are connected, the first connecting plug pin on the upper side of the first rotating part is arranged in the second connecting groove on the lower side of the second connecting part.
Compared with the prior art, the beneficial effects of the utility model are that: the smoke and fire tube heats medium liquid in the furnace body, the heated medium liquid heats natural gas in the primary coil and the secondary coil in a heat transfer mode to realize the temperature rise of the natural gas, the natural gas is subjected to heat exchange in the primary coil and the secondary coil to be heated at the second stage, so that the heat is fully utilized, the primary coil and the secondary coil respectively comprise a plurality of linear gas pipes communicated through U-shaped pipes, thereby the heat exchange area is increased, the heat energy in the furnace body is further fully utilized, the primary coil and the secondary coil are communicated through a throttling device, the natural gas after the primary heating flows out from the outlet of the primary coil to be subjected to primary throttling, pressure reduction and temperature reduction through the throttling device, and the natural gas enters the secondary coil from the inlet of the secondary coil to be heated for the second time after the throttling, the pressure reduction and temperature reduction, in order to satisfy the industrial requirement, the design mode of this scheme can with rectangle furnace body looks adaptation simultaneously to promote the thermal efficiency in the furnace body.
Drawings
Fig. 1 is a schematic diagram of the distribution of the primary coil in the furnace body of the present invention.
Fig. 2 is a side view of the primary coil, the secondary coil and the smoke and fire tube of the present invention disposed in the furnace body.
Fig. 3 is a sectional view of the primary coil, the secondary coil and the smoke and fire tube of the present invention disposed in the furnace body.
Fig. 4 is a schematic structural view of the primary coil pipe or the secondary coil pipe of the present invention.
Fig. 5 is a schematic view of the cross section E-E of fig. 4 according to the present invention.
Fig. 6 is a schematic view of the cross section F-F in fig. 4 according to the present invention.
Fig. 7 is a side view of the middle support frame of the present invention.
Fig. 8 is a top view of the middle support frame of the present invention.
Fig. 9 is a schematic structural view of the middle support plate of the present invention.
Icon: 1-primary coil pipe, 2-secondary coil pipe, 3-smoke pipe, 4-primary coil pipe inlet, 5-primary coil pipe outlet, 6-secondary coil pipe inlet, 7-secondary coil pipe outlet, 8-U-shaped pipe, 9-gas pipe, 10-fire tube, 11-smoke pipe, 12-middle smoke box, 13-tail smoke box, 14-chimney, 15-support plate, 16-abdicating hole, 17-support frame, 18-support seat, 19-beam pipe, 20-beam pipe, 21-reinforcing rib, 22-spacing seat, 23-clamping groove, 24-top plate, 25-bottom plate, 26-rotating plate, 27-first rotating part, 28-second rotating part, 29-through hole, 30-first connecting groove, 31-first connecting bolt, 32-second connecting groove, 33-second connecting pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
fig. 1-9 show the utility model discloses a preferred embodiment of the heat exchange tube group structure that rectangle water jacket heating furnace used, the heat exchange tube group structure that rectangle water jacket heating furnace used in this embodiment specifically includes one-level coil pipe 1, second grade coil pipe 2 and smoke and fire tube 3 that set up in the furnace body, one-level coil pipe 1 and second grade coil pipe 2 link to each other with 3 heat conduction of smoke and fire tube through the medium liquid in the furnace body, one-level coil pipe 1 covers behind the furnace body and forms one-level coil pipe import 4 and one-level coil pipe export 5, second grade coil pipe 2 covers behind the furnace body and forms second grade coil pipe import 6 and second grade coil pipe export 7, one-level coil pipe export 5 and second grade coil pipe import 6 are linked together through throttling arrangement, one-level coil pipe 1 and second grade coil pipe 2 all include many line type gas-.
The smoke and fire tube 3 heats medium liquid in the furnace body, the heated medium liquid heats natural gas in the primary coil 1 and the secondary coil 2 in a heat transfer mode to realize the temperature rise of the natural gas, the natural gas is subjected to heat exchange in the primary coil 1 and the secondary coil 2 to realize secondary heating, so that the heat is fully utilized, the primary coil 1 and the secondary coil 2 both comprise a plurality of linear gas pipes 9 communicated through U-shaped pipes 8, thereby increasing the heat exchange area, further ensuring the full utilization of the heat energy in the furnace body, the primary coil 1 and the secondary coil 2 are communicated through a throttling device, the natural gas after the primary heating flows out from a primary coil outlet 5 and then can be subjected to primary throttling, pressure reduction and cooling through the throttling device, the natural gas enters the secondary coil 2 from a secondary coil inlet 6 to be subjected to secondary heating, to meet the industrial requirements.
The throttling device is an angle throttling valve and the like, natural gas with high pressure and low temperature enters from the inlet 4 of the primary coil pipe and flows in the primary coil pipe 1, thereby utilizing hot water in the furnace body to heat the natural gas in the primary coil 1 for the first time in a heat transfer mode, the heated natural gas flows out from the outlet 5 of the primary coil and is throttled, depressurized and cooled for the first time through a throttling device, after the first throttling, pressure reduction and temperature reduction, natural gas enters the secondary coil 2 from the inlet 6 of the secondary coil and flows in the secondary coil 2, thereby utilizing the hot water in the furnace body to heat the natural gas in the secondary coil 2 for the second time in a heat transfer mode, the natural gas after the second heating flows out from the outlet 7 of the secondary coil, and the throttling, pressure reduction and temperature reduction are carried out again through the throttling device, and after the process requirements are met, the next subsequent treatment can be carried out.
As shown in fig. 5 and fig. 6 the utility model provides an one-level coil pipe 1 and second grade coil pipe 2's distribution mode, wherein one-level coil pipe 1 adopts root line type gas-supply pipe 9 to constitute, second grade coil pipe 2 adopts root line type gas-supply pipe 9 to constitute, utilize the venturi tube to connect between two gas-supply pipes 9 that are linked together, like this alright make total coil pipe heat transfer area reach 13.1 square meters, compare with current design, very big increase heat transfer area, thermal efficiency is promoted, the intensification of the natural gas of being convenient for.
The smoke and fire tube 3 comprises a fire tube 10 and a smoke tube 11, one end of the fire tube 10 penetrates out of the furnace body and is connected with a burner, the other end of the fire tube is connected with a middle smoke box 12 in the furnace body, one end of the fire tube 10 is connected with the middle smoke box 12, the other end of the fire tube is connected with a tail smoke box 13 arranged outside the furnace body, and a chimney 14 is arranged on the upper side of the tail smoke box 13. The plurality of smoke pipes 11 are arranged and symmetrically distributed on two sides of the fire tube 10, the outer diameter of the smoke pipe 11 is 377mm, the outer diameter of the smoke pipe 11 is 114mm, and the wall thickness of the smoke pipe 11 can be set to 5 mm.
The fuel gas is ignited by the burner, so that high-temperature flue gas is formed in the fire tube 10 by combustion, the high-temperature flue gas sequentially passes through the fire tube 10, the middle smoke box 12, the smoke tube 11 and the tail smoke box 13 and is finally discharged from the chimney 14, and when the high-temperature flue gas passes through the fire tube 10 and the smoke tube 11, water in the furnace body can be heated in a heat transfer mode. Wherein the fire tube 10 and the smoke tube 11 adopted in the utility model are the fire tube 10 and the smoke tube 11 with larger caliber, which can ensure the thermal efficiency of the smoke and fire tube 3, and the smoke temperature of the discharge port of the chimney 14 is lower, and the heat taken away by the smoke can be well controlled.
The burner comprises a main burner, an ignition burner and an explosion-proof high-energy igniter, wherein the specification model of the main burner is QYRSQ type, the specification model of the ignition burner is QYDHRSQ type, and the specification model of the explosion-proof high-energy igniter is QYGD-II type.
The one-level coil pipe 1 and the second-level coil pipe 2 are fixed in position through the supporting plate 15 of vertical setting, are equipped with a plurality of holes 16 of stepping down that are used for holding one-level coil pipe 1 and second-level coil pipe 2 in the supporting plate 15, and the bottom of supporting plate 15 is equipped with support frame 17, is equipped with the supporting seat 18 that is used for sliding connection support frame 17 in the furnace body. The support frame 17 comprises two cross beam pipes 19 and a plurality of longitudinal beam pipes 20 evenly arranged between the two cross beam pipes 19, reinforcing ribs 21 are vertically arranged on the upper sides of the cross beam pipes 19, the lower sides of the cross beam pipes 19 are connected with the support base 18 in a sliding mode, and limiting seats 22 used for preventing the support frame 17 from deviating from the support base 18 are vertically arranged on the lower sides of the longitudinal beam pipes 20.
Come to stabilize the position of one-level coil pipe 1 and second grade coil pipe 2 through backup pad 15, the hole of stepping down 16 that forms on backup pad 15 is used for holding one-level coil pipe 1 and second grade coil pipe 2, and support frame 17 fixed mounting is passed through on the supporting seat 18 of furnace body in the bottom of backup pad 15 to be convenient for the installation and the dismantlement of one-level coil pipe 1 and second grade coil pipe 2. Utilize the support frame 17 that crossbeam pipe 19 and longitudinal beam pipe 20 formed to carry out fine support to backup pad 15, all set up spacing seat 22 at the downside of crossbeam pipe 19, spacing seat 22 is close to supporting seat 18, and spacing seat 22 of two crossbeam pipe 19 downside cooperatees with the supporting seat 18 of both sides, alright avoid the support frame 17 to appear the horizontal slip on supporting seat 18, avoid the in-process of support frame 17 slip on supporting seat 18 to appear taking place the emergence of situations such as skew.
The reinforcing rib 21 is vertically provided with a clamping groove 23, and the lower end of the supporting plate 15 is clamped in the clamping groove 23, so that the supporting plate 15 and the supporting frame 17 can be conveniently mounted and dismounted.
The supporting plate 15 comprises a top plate 24, a bottom plate 25 and a rotating plate 26, the rotating plate 26 comprises a first rotating portion 27 and a second rotating portion 28 which are hinged up and down, the top plate 24, the bottom plate 25, a plurality of semicircular through holes 29 are formed in the first rotating portion 27 and the second rotating portion 28, the upper side of the first rotating portion 27 is detachably connected with the top plate 24, the lower side of the second rotating portion 28 is detachably connected with the bottom plate 25, after the top plate 24 is connected with the rotating plate 26, the through holes 29 between the top plate 24 and the first rotating portion 27 form closed connecting abdicating holes 16, after the bottom plate 25 is connected with the rotating plate 26, the through holes 29 between the bottom plate 25 and the second rotating portion 28 are closed and connected to form abdicating holes 16, and the lower end of the bottom plate 25 is clamped in the clamping groove 23.
Through roof 24, bottom plate 25 and rotor plate 26 constitution backup pad 15, set up rotor plate 26 as articulated first rotation portion 27 and the second rotation portion 28 that links to each other from top to bottom, simultaneously, the upside of first rotation portion 27 can be dismantled with roof 24 and link to each other, and the downside of second rotation portion 28 can be dismantled with bottom plate 25 and link to each other, alright make backup pad 15's installation and dismantlement very convenient, be convenient for overhaul and maintain backup pad 15, first coil pipe and second coil pipe. Wherein, a plurality of semicircular through holes 29 are arranged on the top plate 24, the bottom plate 25, the first rotating part 27 and the second rotating part 28, after the top plate 24 is connected with the rotating plate 26, the through holes 29 between the top plate 24 and the first rotating part 27 form a closed connecting abdicating hole 16, and after the bottom plate 25 is connected with the rotating plate 26, the through holes 29 between the bottom plate 25 and the second rotating part 28 are closed connecting to form an abdicating hole 16, thereby realizing the placement of the first coil and the second coil on the supporting plate 15.
The lower side of the top plate 24 is provided with a first connecting groove 30, the upper side of the first rotating part 27 is provided with a first connecting pin 31, when the top plate 24 is connected with the rotating plate 26, the first connecting pin 31 is arranged in the first connecting groove 30, the lower side of the second rotating part 28 is provided with a second connecting groove 32, the upper side of the bottom plate 25 is provided with a second connecting pin 33, and when the bottom plate 25 is connected with the rotating plate 26, the second connecting pin 33 is arranged in the second connecting groove 32.
The detachable coupling between the top plate 24 and the first rotating part 27 is accomplished by the engagement between the first coupling pin 31 and the first coupling groove 30, and the detachable coupling between the bottom plate 25 and the second rotating part 28 is accomplished by the engagement between the second coupling pin 33 and the second coupling groove 32. Wherein the first connecting slot 30 is matched with the shape of the first connecting plug pin 31, and the second connecting slot 32 is matched with the shape of the second connecting plug pin 33.
The rotating plates 26 are provided in plural and vertically overlapped and connected, and when two adjacent rotating plates 26 are connected, the first connecting pin 31 on the upper side of the first rotating portion 27 is provided in the second connecting groove 32 on the lower side of the second connecting portion.
The height of the supporting plate 15 is raised by the plurality of rotating plates 26, so that the height of the supporting plate 15 can be adapted to the first coil pipe and the second coil pipe, wherein when two adjacent rotating plates 26 are connected, the semicircular through holes 29 on the first rotating portion 27 and the second rotating portion 28 are also closed to form the yielding holes 16, so that stable placement of the first coil pipe and the second coil pipe is ensured, and the shape of the first connecting plug pin 31 and the shape of the second connecting socket 32 are adapted.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (9)

1. The utility model provides a heat exchange tube group structure that rectangle water jacket heating furnace used which characterized in that: the furnace comprises a primary coil pipe (1), a secondary coil pipe (2) and a smoke and fire pipe (3) which are arranged in a furnace body, wherein the primary coil pipe (1) and the secondary coil pipe (2) are in heat conduction connection with the smoke and fire pipe (3) through medium liquid in the furnace body;
the primary coil (1) is covered on the rear part of the furnace body to form a primary coil inlet (4) and a primary coil outlet (5), the secondary coil (2) is covered on the rear part of the furnace body to form a secondary coil inlet (6) and a secondary coil outlet (7), and the primary coil outlet (5) is communicated with the secondary coil inlet (6) through a throttling device;
the primary coil pipe (1) and the secondary coil pipe (2) both comprise a plurality of linear air pipes (9) communicated through U-shaped pipes (8).
2. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 1, wherein: the smoke and fire tube (3) comprises a fire tube (10) and a smoke tube (11), one end of the fire tube (10) penetrates out of the furnace body and is connected with a burner, the other end of the fire tube is connected with a middle smoke box (12) in the furnace body, one end of the fire tube (10) is connected with the middle smoke box (12), the other end of the fire tube is connected with a tail smoke box (13) arranged outside the furnace body, and a chimney (14) is arranged on the upper side of the tail smoke box (13).
3. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 2, wherein: the fire tube (11) is arranged in a plurality of numbers and symmetrically distributed on two sides of the fire tube (10), the outer diameter of the fire tube (11) is 377mm, and the outer diameter of the fire tube (11) is 114 mm.
4. The heat exchange tube group structure for the rectangular water jacket heating furnace according to any one of claims 1 to 3, wherein: one-level coil pipe (1) and second grade coil pipe (2) backup pad (15) fixed position through vertical setting, be equipped with a plurality of holes of stepping down (16) that are used for holding one-level coil pipe (1) and second grade coil pipe (2) on backup pad (15), the bottom of backup pad (15) is equipped with support frame (17), is equipped with supporting seat (18) that are used for sliding connection support frame (17) in the furnace body.
5. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 4, wherein: support frame (17) include two crossbeam pipes (19) and evenly set up a plurality of longitudinal beams pipe (20) between two crossbeam pipes (19), the equal vertical strengthening rib (21) that are equipped with of upside of crossbeam pipe (19), the downside and the supporting seat (18) of crossbeam pipe (19) slide and link to each other, are used for preventing that support frame (17) from taking place skew spacing seat (22) from supporting seat (18) in the vertical being equipped with of downside of longitudinal beams pipe (20).
6. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 5, wherein: the reinforcing ribs (21) are vertically provided with clamping grooves (23), and the lower ends of the supporting plates (15) are clamped in the clamping grooves (23).
7. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 6, wherein: the supporting plate (15) comprises a top plate (24), a bottom plate (25) and a rotating plate (26), the rotating plate (26) comprises a first rotating part (27) and a second rotating part (28) which are hinged up and down, the top plate (24), the bottom plate (25), the first rotating part (27) and the second rotating part (28) are all provided with a plurality of semicircular through holes (29), the upper side of the first rotating part (27) is detachably connected with the top plate (24), the lower side of the second rotating part (28) is detachably connected with the bottom plate (25), after the top plate (24) is connected with the rotating plate (26), the through hole (29) between the top plate (24) and the first rotating part (27) forms a closed connection with the abdicating hole (16), after the bottom plate (25) is connected with the rotating plate (26), the through hole (29) between the bottom plate (25) and the second rotating part (28) is closed and connected to form the abdicating hole (16);
the lower end of the bottom plate (25) is clamped in the clamping groove (23).
8. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 7, wherein: a first connecting groove (30) is formed in the lower side of the top plate (24), a first connecting bolt (31) is arranged on the upper side of the first rotating part (27), and when the top plate (24) is connected with the rotating plate (26), the first connecting bolt (31) is arranged in the first connecting groove (30);
the downside of second rotation portion (28) is equipped with second spread groove (32), the upside of bottom plate (25) is equipped with second connecting pin (33), and when bottom plate (25) and rotating plate (26) link to each other, second connecting pin (33) set up in second spread groove (32).
9. The heat exchange tube group structure for the rectangular water jacket heating furnace according to claim 8, wherein: the rotating plates (26) are arranged in a plurality of vertical overlapped connection, when two adjacent rotating plates (26) are connected, a first connecting bolt (31) on the upper side of the first rotating part (27) is arranged in a second connecting groove (32) on the lower side of the second connecting part.
CN202021349843.XU 2020-07-10 2020-07-10 Heat exchange tube set structure for rectangular water jacket heating furnace Active CN212619355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021349843.XU CN212619355U (en) 2020-07-10 2020-07-10 Heat exchange tube set structure for rectangular water jacket heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021349843.XU CN212619355U (en) 2020-07-10 2020-07-10 Heat exchange tube set structure for rectangular water jacket heating furnace

Publications (1)

Publication Number Publication Date
CN212619355U true CN212619355U (en) 2021-02-26

Family

ID=74706015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021349843.XU Active CN212619355U (en) 2020-07-10 2020-07-10 Heat exchange tube set structure for rectangular water jacket heating furnace

Country Status (1)

Country Link
CN (1) CN212619355U (en)

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