CN204240848U

CN204240848U - Hydrogen heat exchanger

Info

Publication number: CN204240848U
Application number: CN201420574086.4U
Authority: CN
Inventors: 徐永权
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-09-25
Filing date: 2014-09-25
Publication date: 2015-04-01
Anticipated expiration: 2024-09-25

Abstract

The utility model describes a kind of hydrogen heat exchanger, comprises upper and lower pipe nipple and upper and lower cylindrical shell; Connect the first adapter bottom lower pipe nipple, lower pipe nipple connects the second adapter, between lower pipe nipple and lower shell, have lower perforated plate, in lower perforated plate, be covered with pipe network, lower perforated plate is provided with connecting hole, pipe network is provided with tie rod hole, on lower pipe nipple, cover has lower union joint, and lower union joint and lower perforated plate are fixed; Lower shell side connects the 3rd adapter, 3rd adapter connection the 4th is taken over, lower shell is connected with expansion joint, and upper shell is fixed by upper perforated plate and upper pipe nipple, and the 5th adapter is arranged at upper shell top, 5th adapter connection the 6th is taken over, upper pipe nipple cover has upper binding head, and upper pipe nipple connects the 7th adapter, and upper perforated plate has heat exchanger tube, in heat exchanger tube, have temperature tube, temperature tube top is connected with thermometric joint; In cylindrical shell, be provided with deflection plate, deflection plate is connected with pull bar, pull bar inserts in corresponding tie rod hole.This heat exchanger is high temperature resistant, corrosion-resistant, energy conversion rate is higher.

Description

Hydrogen heat exchanger

Technical field

The utility model relates to a kind of heat conversion equipment, and especially a kind of hydrogen heat exchanger, belongs to energy-saving equipment technical field.

Background technology

Heat exchanger is the equipment partial heat of hot fluid being passed to cold fluid, also known as heat exchanger.Heat exchanger is the common apparatus of chemical industry, oil, power, food and other many industrial department, occupies critical role aborning.In Chemical Manufacture, heat exchanger can be used as the uses such as heater, cooler, condenser, evaporimeter and reboiler, it is a kind of energy-saving equipment realizing heat transmission between material between two or more fluid of different temperatures, make heat pass to the lower fluid of temperature by higher fluid, fluid temperature (F.T.) is made to reach flow process set quota, to meet the needs of process condition, also improve the utilization rate of the energy simultaneously.The heat exchanger of current use is based on metal shell mostly, take demineralized water such as, as heat transferring medium, shell-and-tube heat exchanger, movable tube sheets heat exchanger etc.But, along with industrial requirement improves constantly, particularly in petroleum refining is produced, in order to improve reaction temperature, needing to add hydride in the reactor, being used as medium with this and reaching cracking effect.And with this understanding, traditional heat exchanger can not meet industrial requirement again, need a kind of high temperature resistant, heat transmission equipment that corrosion resistance is strong.

Utility model content

For above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve the problem that the high temperature resistant and corrosion resistance of existing current heat exchanger can not meet smelting demand, and provides a kind of high temperature resistant, corrosion-resistant, hydrogen heat exchanger that energy conversion rate is high.

The technical solution of the utility model: hydrogen heat exchanger, comprises the cylindrical shell of heat exchanger, it is characterized in that, described cylindrical shell is made up of the lower pipe nipple connected successively from the bottom up, lower shell, upper shell and upper pipe nipple; The bottom of described lower pipe nipple is spherical structure, and the upper end open of lower pipe nipple is also connected with the bottom of lower shell; Be connected with the first adapter that Open Side Down in the bottom of described lower pipe nipple, the bottom of described first adapter is provided with the first ring flange; Also be connected with the second adapter of transverse opening in the side of lower pipe nipple, the openend of described second adapter is provided with the second ring flange; Between described lower pipe nipple and lower shell, be provided with lower perforated plate, described lower perforated plate is the toroidal of stainless steel, and the annulus of lower perforated plate is provided with circumferentially equally distributed connecting hole, and the aperture of described connecting hole is 27mm; In the annulus of described lower perforated plate, be equipped with pipe network, described pipe network is the alloy network obtained according to quality proportioning 1: 2.5: 1.5 by titanium, chromium, nickel element, and described pipe network interior separation is several diamond-shaped element, and the length of side of each diamond-shaped element is 45mm; Pipe network is also provided with six tie rod holes, wherein the first tie rod hole, the second tie rod hole, the 3rd tie rod hole and four-pull-rod pore size distribution are in the edge of pipe network, 5th tie rod hole and the 6th tie rod hole are positioned on the cross central line of pipe network, the first described tie rod hole and the second tie rod hole and the 3rd tie rod hole and four-pull-rod hole are symmetrical arranged relative to the cross central line of pipe network, and the 5th described tie rod hole and the 6th tie rod hole are symmetrical arranged relative to the longitudinal centre line of pipe network; Also overlap the lower union joint having annular in the upper end of described lower pipe nipple, described lower union joint is provided with the connecting hole matched with described lower perforated plate, described lower union joint is connected and fixed by bolt and lower perforated plate; The 3rd adapter is connected with in the lower side of described lower shell, in the outer end of the 3rd adapter, three-flange dish is installed, lower shell relative to the 3rd adapter opposite side is connected with the 4th adapter, is provided with the 4th ring flange in the outer end of the 4th adapter, described 4th adapter is higher than the 3rd adapter; Be connected with expansion joint in the upper end of described lower shell, described expansion joint is provided with the outwardly annulus boss of a circle, and the upper end of expansion joint is fixedly connected with the bottom of upper shell, and the inner chamber of described expansion joint is communicated with lower shell with upper shell respectively; The upper end of described upper shell is fixed by upper perforated plate and upper pipe nipple, and when described upper perforated plate is identical structure with lower perforated plate and installs, direction is contrary; The top-side of upper shell is connected with the 5th adapter, in the outer end of the 5th adapter, the 5th ring flange is installed, upper shell relative to the 5th adapter opposite side is connected with the 6th adapter, and the outer end of described 6th adapter is provided with the 6th ring flange, and described 6th adapter is lower than the 5th adapter; The lower end cover of pipe nipple has upper binding head on described, and described upper binding head is provided with the connecting hole matched with upper perforated plate, described upper binding head is connected and fixed by bolt and upper perforated plate; Described upper pipe nipple top is also spherical structure, and the side, middle part of upper pipe nipple is horizontally connected with the 7th adapter, and described 7th adapter outer end is provided with the 7th ring flange; Described upper perforated plate is provided with three heat exchanger tubes, in heat exchanger tube, is separately installed with temperature tube, described heat exchanger tube is fixed on lower perforated plate after being passed down through upper shell and lower shell; The top of described temperature tube all upwards extends and passes pipe nipple, and the top of described temperature tube is connected with the corresponding thermometric joint being arranged on upper pipe nipple top respectively; The inwall of described upper shell and lower shell is also vertically provided with some pieces of deflection plates, and the transverse width of described deflection plate is less than the internal diameter of upper shell and lower shell, and two pieces of adjacent deflection plates lay respectively at the heteropleural of cylinder inboard wall and form dislocation; Described deflection plate is also connected with at least two pull bars, and described pull bar upper end is bolted on corresponding deflection plate, and described pull bar lower end is inserted in tie rod hole corresponding to lower perforated plate.

Optimally, also overlap have ear seat at the middle part of described upper shell, described ear seat is clamped on the outer wall of upper shell, is provided with downward annular slope at the edge of ear seat.Described ear seat is used for reinforcing cylindrical shell and supporting, and it can increase the weight of upper shell, plays the effect of ballast, opens laterally simultaneously, therefore can also strengthen the whole machine balancing of cylindrical shell, avoid cylindrical shell to occur deflection and shakiness when mounted due to it.Here the installation site of ear seat can regulate according to the center of gravity of cylindrical shell and height, and ear seat side takes the design on inclined-plane that ear seat can be made more level and smooth, reduces frictional impact when installing, be also conducive to reducing work long hours after the accumulation of dust on ear seat.

Optimally, the position that pipe nipple inwall corresponds to upper binding head on described is provided with liner plate, and described upper liner plate is by fixing through the bolt of upper pipe nipple and upper binding head; Correspond to the position of lower union joint at described lower pipe nipple inwall and be provided with lower liner plate, described lower liner plate is by fixing through the bolt of lower pipe nipple and lower union joint.Here the effect arranging liner plate is protection upper binding head and lower union joint; owing to being likely the mordant gas of band in gas out in cylindrical shell; and upper and lower connector does not carry out effective preservative treatment as cylindrical shell is the same with pipe nipple before; therefore gas can be prevented the corrosion of connector by setting up liner plate; get up to extend the object in connector service life, and a large amount of maintenance costs can be saved.

Optimally, upper padding plate is provided with between described upper binding head and upper perforated plate, lower bolster is provided with between described lower union joint and lower perforated plate, described upper padding plate and lower bolster are the L-type structure kept flat, described backing plate is fixed with corresponding connector and Tube-sheet Welding respectively, and described upper padding plate and lower bolster are asbestos packing sheet.Here the backing plate installed can play the effect reducing to rub between tube sheet and connector on the one hand, can also strengthen the bonding strength between tube sheet and connector on the other hand, improves the stationarity after installing, and reduces the gap between parts.

Optimally, one piece of deflection plate on upper shell inwall is also connected with a distance sink tube, and described distance sink tube is vertically installed, and the upper end of distance sink tube is fixed on deflection plate, spacing in the tie rod hole of the lower end insertion lower perforated plate of distance sink tube.The effect of installing distance sink tube here on deflection plate is to measure the height of deflection plate and the distance from side barrel wall, staff can be facilitated like this to regulate the position of pull bar when mounted, keep in balance with the distance making it mutual, length dimension accurately can also be taken simultaneously.

Optimally, the inserts obtained by fused salt is also filled with in the gap between described heat exchanger tube and upper perforated plate.Here inserts can play effect upper perforated plate and heat exchanger tube kept apart on the one hand, also serve fixing heat exchanger tube simultaneously, prevent the effect of rocking in the middle part of it, particularly fused salt can absorb a large amount of heats, for the heat trnasfer of gas, be more convenient for heat to conduct fast to heat exchanger tube like this, strengthened heat absorption capacity and the speed of heat exchanger tube by the effect of fused salt, greatly improve heat exchange efficiency.

Relative to prior art, the utility model has following beneficial effect:

1, high temperature resistant: hydrogen heat exchanger of the present utility model have employed new-type segmentation shell structure; so both convenient installations; the protection of resistance to elevated temperatures can be carried out to every a bit of housing simultaneously; simultaneously by the temperature variations in thermal detector real-time watch device; and utilize heat exchanger tube to guide fast heat; therefore local temperature can be avoided too high, there is extraordinary high temperature resistant effect.

2, good corrosion resistance: heat exchanger shell of the present utility model have employed titanium alloy stainless steel, the dielectric corrosions such as hydrogen sulfide can be prevented, carried out highdensity soldering in each joint simultaneously, and deal with possible thermal expansion effects by arranging expansion joint, therefore well solve the problem of corrosion resistance.

3, energy conversion rate is high: because the heat exchanger tube on whole hydrogen heat exchanger takes the mode of height collocation, namely the length of many heat exchanger tubes is different, after tested, can have better Energy Transfer effect like this, heat can be transmitted more fast, therefore improve energy conversion rate.

Accompanying drawing explanation

Fig. 1 is the overall structure schematic diagram of the utility model hydrogen heat exchanger.

Fig. 2 is the top view of Fig. 1.

Fig. 3 is the structural representation of tube sheet in Fig. 1.

Fig. 4 is the enlarged drawing in A portion in Fig. 1.

Fig. 5 is the enlarged drawing in B portion in Fig. 1.

In figure, pipe nipple under 1-, 2-lower shell, 3-upper shell, the upper pipe nipple of 4-, 51-first takes over, 52-second takes over, 53-the 3rd takes over, 54-the 4th takes over, 55-the 5th takes over, 56-the 6th takes over, 57-the 7th takes over, 61-first ring flange, 62-second ring flange, 63-three-flange dish, 64-the 4th ring flange, 65-the 5th ring flange, 66-the 6th ring flange, 67-the 7th ring flange, 71-lower perforated plate, 72-upper perforated plate, 8-connecting hole, 91-first tie rod hole, 92-second tie rod hole, 93-the 3rd tie rod hole, 94-four-pull-rod hole, 95-the 5th tie rod hole, 96-the 6th tie rod hole, 10-pipe network, 11-lower union joint, 12-expansion joint, 13-upper binding head, 14-heat exchanger tube, 15-temperature tube, 16-thermometric joint, 17-deflection plate, 18-pull bar, 19-ear seat, 20-annular slope, the upper liner plate of 21-, liner plate under 22-, 23-upper padding plate, 24-lower bolster, 25-distance sink tube, 26-inserts.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of hydrogen heat exchanger, comprises the cylindrical shell of heat exchanger, and described cylindrical shell is made up of the lower pipe nipple 1 connected successively from the bottom up, lower shell 2, upper shell 3 and upper pipe nipple 4; Described lower pipe nipple 1, lower shell 2, upper shell 3 and upper pipe nipple 4 have identical internal diameter size.The bottom of described lower pipe nipple 1 is spherical structure, and the upper end open of lower pipe nipple 1 is also connected with the bottom of lower shell 2; Be connected with in the bottom of described lower pipe nipple 1 the first adapter 51 that Open Side Down, the bottom of described first adapter 51 is provided with the first ring flange 61; Also be connected with the second adapter 52 of transverse opening in the side of lower pipe nipple 1, the openend of described second adapter 52 is provided with the second ring flange 62.Between described lower pipe nipple 1 and lower shell 2, be provided with lower perforated plate 71, described lower perforated plate 71 is the toroidal of stainless steel, and the annulus of lower perforated plate 71 is provided with circumferentially equally distributed connecting hole 8, and the aperture of described connecting hole 8 is 27mm; Pipe network 10 is equipped with in the annulus of described lower perforated plate 71, described pipe network 10 is the alloy networks obtained according to quality proportioning 1: 2.5: 1.5 by titanium, chromium, nickel element, described pipe network 10 interior separation is several diamond-shaped element, and the length of side of each diamond-shaped element is 45mm.Pipe network 10 is also provided with six tie rod holes, wherein the first tie rod hole 91, second tie rod hole 92, the 3rd tie rod hole 93 and four-pull-rod hole 94 are distributed in the edge of pipe network 10,5th tie rod hole 95 and the 6th tie rod hole 96 are positioned on the cross central line of pipe network 10, the first described tie rod hole 91 and the second tie rod hole 92 and the 3rd tie rod hole 93 and four-pull-rod hole 94 are symmetrical arranged relative to the cross central line of pipe network 10, and the 5th described tie rod hole 95 and the 6th tie rod hole 96 are symmetrical arranged relative to the longitudinal centre line of pipe network 10.Also overlap the lower union joint 11 having annular in the upper end of described lower pipe nipple 1, described lower union joint 11 is provided with the connecting hole matched with described lower perforated plate 71, described lower union joint 11 is connected and fixed by bolt and lower perforated plate 71; The 3rd adapter 53 is connected with in the lower side of described lower shell 2, in the outer end of the 3rd adapter 53, three-flange dish 63 is installed, lower shell 2 relative to the 3rd adapter 53 opposite side is connected with the 4th adapter 54, be provided with the 4th ring flange 64 in the outer end of the 4th adapter 54, described 4th adapter 54 is higher than the 3rd adapter 53.Be connected with expansion joint 12 in the upper end of described lower shell 3, described expansion joint 12 is provided with the outwardly annulus boss of a circle, and the upper end of expansion joint 12 is fixedly connected with the bottom of upper shell 3, and the inner chamber of described expansion joint 12 is communicated with lower shell 2 with upper shell 3 respectively; The upper end of described upper shell 3 is fixed by upper perforated plate 72 and upper pipe nipple 4, and when described upper perforated plate 72 is identical structure with lower perforated plate 71 and installs, direction is contrary; The top-side of upper shell 3 is connected with the 5th adapter 55, in the outer end of the 5th adapter 55, the 5th ring flange 65 is installed, upper shell 3 relative to the 5th adapter 55 opposite side is connected with the 6th adapter 56, the outer end of described 6th adapter 56 is provided with the 6th ring flange 66, and described 6th adapter 56 is lower than the 5th adapter 55.The lower end cover of pipe nipple 4 has upper binding head 13 on described, and described upper binding head 13 is provided with the connecting hole matched with upper perforated plate 72, described upper binding head 13 is connected and fixed by bolt and upper perforated plate 72.Described upper pipe nipple 4 top is also spherical structure, and the side, middle part of upper pipe nipple 4 is horizontally connected with the 7th adapter 57, and described 7th adapter 57 outer end is provided with the 7th ring flange 67.Described upper perforated plate 72 is provided with three heat exchanger tubes 14, the effect of heat exchanger tube 14 is the heat of gas in absorbing barrel body, in heat exchanger tube 14, be separately installed with temperature tube 15, described heat exchanger tube 14 is fixed on lower perforated plate 71 after being passed down through upper shell 3 and lower shell 2; The top of described temperature tube 15 all upwards extends and passes pipe nipple 4, and the top of described temperature tube 15 is connected with the corresponding thermometric joint 16 being arranged on upper pipe nipple 4 top respectively.The inwall of described upper shell 3 and lower shell 2 is also vertically provided with some pieces of deflection plates 17, and the transverse width of described deflection plate 17 is less than the internal diameter of upper shell 3 and lower shell 2, and two pieces of adjacent deflection plates 17 lay respectively at the heteropleural of cylinder inboard wall and form dislocation.Described deflection plate 17 is also connected with at least two pull bars 18, and described pull bar 18 upper end is bolted on corresponding deflection plate 17, and described pull bar 18 lower end is inserted in the tie rod hole of lower perforated plate 71 correspondence.In the utility model, described adapter is the port for receiving or detect the numerical value such as position gas componant and content, because in heat exchanger, the gas of diverse location has different numerical value, therefore be respectively arranged with multiple adapter in the place of diverse location, and the ring flange in adapter conveniently docks with corresponding checkout equipment.In the utility model, the effect of expansion joint 12 is to increase volume instantaneously in local, and reduce partial pressure, thus avoid because partial pressure is excessive that build-up of pressure is excessive, it can play good cushioning effect, and proterctive equipment runs well.Two pieces of tube sheet Main Functions in the utility model are to install heat exchanger tube and corresponding pull bar etc., play positioning supports effect.And the dislocation design of deflection plate 17 is the flow directions in order to guide air-flow, air-flow is avoided straight up and down to cause huge impulsive force to equipment, the damage that air pressure causes equipment above can be alleviated largely after guiding the S-type flowing of air-flow, the distance of air current flow can also be extended simultaneously, extend the time of heat exchange.In the utility model, each root heat exchanger tube 14 is configured with one respectively with temperature tube 15 and a thermometric joint 16, the object of such design is to monitor respectively the duty of each root heat exchanger tube, ensure that it can normally work, be also for maintaining provides data accurately and effectively simultaneously.

See Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, also overlap at the middle part of described upper shell 3 and have ear seat 19, described ear seat 19 is clamped on the outer wall of upper shell 3, is provided with downward annular slope 20 at the edge of ear seat 19.Ear seat 19 can assist cylindrical shell to increase stability, keeps the balance of cylindrical shell.The position that pipe nipple 4 inwall corresponds to upper binding head 13 on described is provided with liner plate 21, and described upper liner plate 21 is fixing with upper binding head 13 by the bolt through upper pipe nipple 4; Correspond to the position of lower union joint 11 at described lower pipe nipple 1 inwall and be provided with lower liner plate 22, described lower liner plate 22 is fixing with lower union joint 11 by the bolt through lower pipe nipple 1.Here liner plate have employed corrosion-resistant and exotic material, effectively can strengthen the corrosion resistance inside upper binding head 13 and lower union joint 11 and heat-resisting ability, support equipment sustaining reliable operation after therefore installing.Upper padding plate 23 is provided with between described upper binding head 13 and upper perforated plate 72, lower bolster 24 is provided with between described lower union joint 11 and lower perforated plate 71, described upper padding plate 23 and lower bolster 24 are the L-type structure kept flat, described backing plate is fixed with corresponding connector and Tube-sheet Welding respectively, and described upper padding plate 23 and lower bolster 24 are asbestos packing sheet.Here backing plate has resistant to elevated temperatures characteristic, can reduce the gap between cylindrical shell and pipe nipple after installation, can also improve bonding strength simultaneously.In the utility model, one piece of deflection plate 17 on upper shell 3 inwall is also connected with a distance sink tube 25, and described distance sink tube 25 is vertically installed, and the upper end of distance sink tube 25 is fixed on deflection plate 17, spacing in the tie rod hole of the lower end insertion lower perforated plate 71 of distance sink tube 25.Precision when can improve installation by installing distance sink tube 25, the installation of other pull bars auxiliary.The inserts 26 obtained by fused salt is also filled with in gap between described heat exchanger tube 14 and upper perforated plate 72.Heat in gas can absorb by inserts 26 here fast, and passes to heat exchanger tube 14 by the form of contact, therefore increases the heat absorption efficiency of heat exchanger tube 14, accelerates heat trnasfer.

Hydrogen heat exchanger of the present utility model operationally, is utilize hydrogen compound, as hydrogen sulfide etc., produces huge heat in chemical reaction, and this heat is passed to heat exchanger tube 14, then pass to other equipment by heat exchanger tube 14.Here apparatus for feeding and transmission equipment owing to being existing, therefore unmarked in the drawings go out.Hydrogen heat exchanger of the present utility model has good process structure, heat insulation safety, and heat absorption efficiency is very high again simultaneously, therefore has good application prospect.

It should be noted that, above embodiment is only in order to illustrate technical solutions of the utility model but not restriction technologies scheme, although applicant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solutions of the utility model are carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the utility model right.

Claims

1. hydrogen heat exchanger, comprises the cylindrical shell of heat exchanger, it is characterized in that, described cylindrical shell is made up of the lower pipe nipple (1) connected successively from the bottom up, lower shell (2), upper shell (3) and upper pipe nipple (4), the bottom of described lower pipe nipple (1) is spherical structure, and the upper end open of lower pipe nipple (1) is also connected with the bottom of lower shell (2), be connected with the first adapter (51) that Open Side Down in the bottom of described lower pipe nipple (1), the bottom of described first adapter (51) is provided with the first ring flange (61), also be connected with the second adapter (52) of transverse opening in the side of lower pipe nipple (1), the openend of described second adapter (52) is provided with the second ring flange (62), between described lower pipe nipple (1) and lower shell (2), lower perforated plate (71) is installed, the toroidal that described lower perforated plate (71) is stainless steel, the annulus of lower perforated plate (71) is provided with circumferentially equally distributed connecting hole (8), and the aperture of described connecting hole (8) is 27mm, in the annulus of described lower perforated plate (71), be equipped with pipe network (10), described pipe network (10) interior separation is several diamond-shaped element, and the length of side of each diamond-shaped element is 45mm, pipe network (10) is also provided with six tie rod holes, wherein the first tie rod hole (91), second tie rod hole (92), 3rd tie rod hole (93) and four-pull-rod hole (94) are distributed in the edge of pipe network (10), 5th tie rod hole (95) and the 6th tie rod hole (96) are positioned on the cross central line of pipe network (10), described the first tie rod hole (91) and the second tie rod hole (92) are symmetrical arranged relative to the cross central line of pipe network (10) with the 3rd tie rod hole (93) and four-pull-rod hole (94), the 5th described tie rod hole (95) and the 6th tie rod hole (96) are symmetrical arranged relative to the longitudinal centre line of pipe network (10), the lower union joint (11) having annular is also overlapped in the upper end of described lower pipe nipple (1), described lower union joint (11) is provided with the connecting hole matched with described lower perforated plate (71), described lower union joint (11) is connected and fixed by bolt and lower perforated plate (71), the 3rd adapter (53) is connected with in the lower side of described lower shell (2), in the outer end of the 3rd adapter (53), three-flange dish (63) is installed, lower shell (2) relative to the 3rd adapter (53) opposite side is connected with the 4th adapter (54), be provided with the 4th ring flange (64) in the outer end of the 4th adapter (54), described 4th adapter (54) is higher than the 3rd adapter (53), expansion joint (12) is connected with in the upper end of described lower shell (3), described expansion joint (12) is provided with the outwardly annulus boss of a circle, the upper end of expansion joint (12) is fixedly connected with the bottom of upper shell (3), and the inner chamber of described expansion joint (12) is communicated with lower shell (2) with upper shell (3) respectively, the upper end of described upper shell (3) is fixed by upper perforated plate (72) and upper pipe nipple (4), described upper perforated plate (72) and lower perforated plate (71) for identical structure and when installing direction contrary, the top-side of upper shell (3) is connected with the 5th adapter (55), in the outer end of the 5th adapter (55), the 5th ring flange (65) is installed, upper shell (3) relative to the 5th adapter (55) opposite side is connected with the 6th adapter (56), the outer end of described 6th adapter (56) is provided with the 6th ring flange (66), and described 6th adapter (56) is lower than the 5th adapter (55), the lower end cover of pipe nipple (4) has upper binding head (13) on described, described upper binding head (13) is provided with the connecting hole matched with upper perforated plate (72), described upper binding head (13) is connected and fixed by bolt and upper perforated plate (72), described upper pipe nipple (4) top is also spherical structure, the side, middle part of upper pipe nipple (4) is horizontally connected with the 7th adapter (57), and described 7th adapter (57) outer end is provided with the 7th ring flange (67), described upper perforated plate (72) is provided with three heat exchanger tubes (14), in heat exchanger tube (14), be separately installed with temperature tube (15), described heat exchanger tube (14) is fixed on lower perforated plate (71) after being passed down through upper shell (3) and lower shell (2), the top of described temperature tube (15) all upwards extends and passes pipe nipple (4), and the top of described temperature tube (15) is connected with the corresponding thermometric joint (16) being arranged on upper pipe nipple (4) top respectively, the inwall of described upper shell (3) and lower shell (2) is also vertically provided with some pieces of deflection plates (17), the transverse width of described deflection plate (17) is less than the internal diameter of upper shell (3) and lower shell (2), and two pieces of adjacent deflection plates (17) lay respectively at the heteropleural of cylinder inboard wall and form dislocation, described deflection plate (17) is also connected with at least two pull bars (18), described pull bar (18) upper end is bolted on corresponding deflection plate (17), and described pull bar (18) lower end is inserted in tie rod hole corresponding to lower perforated plate (71).

2. hydrogen heat exchanger according to claim 1, it is characterized in that, also overlap at the middle part of described upper shell (3) and have ear seat (19), described ear seat (19) is clamped on the outer wall of upper shell (3), is provided with downward annular slope (20) at the edge of ear seat (19).

3. hydrogen heat exchanger according to claim 1 and 2, it is characterized in that, the position that pipe nipple (4) inwall corresponds to upper binding head (13) on described is provided with upper liner plate (21), and described upper liner plate (21) is fixing with upper binding head (13) by the bolt through upper pipe nipple (4); Correspond to the position of lower union joint (11) at described lower pipe nipple (1) inwall and be provided with lower liner plate (22), described lower liner plate (22) is fixing with lower union joint (11) by the bolt through lower pipe nipple (1).

4. hydrogen heat exchanger according to claim 3, it is characterized in that, upper padding plate (23) is provided with between described upper binding head (13) and upper perforated plate (72), lower bolster (24) is provided with between described lower union joint (11) and lower perforated plate (71), described upper padding plate (23) and lower bolster (24) are the L-type structure kept flat, described backing plate is fixed with corresponding connector and Tube-sheet Welding respectively, and described upper padding plate (23) and lower bolster (24) are asbestos packing sheet.

5. hydrogen heat exchanger according to claim 4, it is characterized in that, one piece of deflection plate (17) on upper shell (3) inwall is also connected with a distance sink tube (25), described distance sink tube (25) is vertically installed, the upper end of distance sink tube (25) is fixed on deflection plate (17), spacing in the tie rod hole of lower end insertion lower perforated plate (71) of distance sink tube (25).

6. hydrogen heat exchanger according to claim 5, is characterized in that, is also filled with the inserts (26) obtained by fused salt in the gap between described heat exchanger tube (14) and upper perforated plate (72).