CN209406288U - A kind of efficient air cold methanol reactor - Google Patents

Abstract

The utility model relates to a kind of efficient air cold methanol reactors, including closed shell, it is characterised in that be equipped with four pieces of partitions in shell for the inner cavity of shell and separate five areas；Mutually independent first passage and second channel are equipped in first area；Second channel is connected to the chamber and the first reaction gas conveyance conduit in the secondth area；First passage is connected to outlet and the second mixed gas pipeline road in the first mixed gas pipeline road；More tracheaes are equipped at intervals in third area；The through-hole of the cavity for being connected to each tracheae and the two neighboring area of connection is equipped in second partition and third partition；Mutually independent third channel and fourth lane are equipped in 5th area；The two-port of fourth lane is respectively communicated with the second reaction gas conveyance conduit and the 4th area；The two-port of third channel is separately connected circulating air input channel and circulating air output channel；Circulating air output channel is connected to raw material gas transmission pipe road, second cavity of outlet in raw material gas transmission pipe road.

Description

A kind of efficient air cold methanol reactor

Technical field

The utility model relates to arrive chemical industry equipment more particularly to a kind of efficient air cold methanol reactor.

Background technique

Methanol is a kind of important Elementary Chemical Industry product and Organic Chemicals, methanol-fueled CLC be a volume-diminished can Inverse exothermal reaction process.For catalyst for synthesizing copper based methanol, reaction temperature need to maintain 220 DEG C~280 DEG C it Between, catalyst does not have activity that can not react if temperature is too low, and temperature is excessively high, influences service life and the product quality of catalyst. Therefore, synthesis gas needs to be preheating to the reaction temperature living of catalyst before entering methanol synthesis reactor, closes by methanol It needs to remove reaction heat in time at the reaction gas after reaction, creates suitable temperature strip to be again introduced into methanol synthesis reactor Part.

Notification number is that the Chinese patent application of CN206986062U discloses " a kind of device of methanol-fueled CLC ", which closes It is independently arranged at the first gas-gas heat exchanger, the second gas-gas heat exchanger and second reactor of device, passes through pipeline between equipment Be attached, reactor and heat exchanger need to be arranged in the land occupation that the unit is increased in different structure basis or frame and Civil engineering structure investment；It is simultaneously high-temperature and pressure pipeline for connecting the pipeline of equipment, is managed while connection realizing equipment Road needs to have flexibility appropriate, and to meet the requirement of thermal expansion, the thrust for generation of otherwise expanding with heat and contract with cold when conduit running can be damaged Bad equipment nozzle, in order to meet the rigidity and flexible double requirement of pipeline, duct length actually required is set considerably beyond two Linear distance between standby nozzle, the increase of duct length cause construction investment and thermal loss to increase in pairs.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of efficient air cold methanol for the status of the prior art Reactor is effectively reduced in the case where the reaction gas cooling after the heating and reaction for realizing the material mixed gas before methanol-fueled CLC requires Installation area and construction investment, are greatly decreased duct length and thermal losses, to meet the large size of methanol synthesizer Change and energy-saving demand for development.

Technical solution adopted by the utility model to solve the above technical problems is as follows: the efficient air cold methanol reactor, packet Include closed shell, it is characterised in that be successively equipped at intervals with from top to bottom in the shell first partition, second partition, third every The inner cavity of the shell is divided into mutually independent firstth area, the secondth area, third area, the 4th area and the 5th by plate and the 4th partition Area；

Mutually independent first passage and second channel are equipped in firstth area；

The two-port of the second channel is respectively communicated with the chamber and the first reaction gas conveyance conduit in the secondth area；Described first The two-port in channel is respectively communicated with outlet and the second mixed gas pipeline road in the first mixed gas pipeline road；

The second partition, third partition and corresponding housing parts, which enclose, forms the third area, in third area It is equipped at intervals with more tracheaes；The first cavity is equipped in the second partition, it is empty that the outlet of each tracheae is connected to described first Chamber；Chambers and the third area and independently of described the in multiple connections secondth area are also equipped at intervals on the second partition The first through hole of one cavity；The second cavity is equipped in the third partition, it is empty that the entrance of each tracheae is connected to described second Chamber；Second through-hole in multiple connection the third areas and the 4th area is also equipped at intervals on the third partition；

Mutually independent third channel and fourth lane are equipped in 5th area；The two-port of the fourth lane is distinguished It is connected to the second reaction gas conveyance conduit and the 4th area；The two-port of the third channel is separately connected circulating air input channel and follows Ring gas output channel；The circulating air output channel is connected to raw material gas transmission pipe road, and the outlet in the raw material gas transmission pipe road connects Lead to second cavity.

Preferably, upper perforated plate, the periphery of the upper perforated plate and institute are equipped in the top of the first partition in the shell The periphery for stating shell is tightly connected；

The first plate and the second plate that the first passage is arranged by two block gaps are synchronized and are wound, the first plate and the second plate Lower ora terminalis be fixed in the first partition, the upper edge of the first plate and the second plate is fixed on the upper perforated plate；

The interior ora terminalis of first plate and the second plate is tightly connected by the first central partition plate；The external end edge of first plate and the second plate It is tightly connected corresponding housing sidewall respectively；

The second channel of cavity formation screw arrangement between first plate and second plate, described first Other spaces in area form the first passage of screw arrangement.The structure of first passage and second channel screw arrangement, So that heat exchange is more abundant.

Upper perforated plate is equipped with the third through-hole of the second channel in connection third cavity and the firstth area.

First partition is equipped with the second channel in the firstth area of connection and the fourth hole in the secondth area.

It is possible to further be equipped with lower perforated plate, the lower perforated plate in the lower section of the 4th partition in the 5th area Periphery be tightly connected the inner sidewall of the shell；

The third plate and the 4th plate that the third channel is arranged by two block gaps are synchronized and are wound, third plate and the 4th plate Lower ora terminalis be fixed on the lower perforated plate, the upper edge of third plate and the 4th plate is fixed on the 4th partition；

The interior ora terminalis of the third plate and the 4th plate is tightly connected by the second central partition plate；Third plate and the 4th plate it is outer Ora terminalis is tightly connected corresponding housing sidewall respectively；

Cavity between third plate and the 4th plate forms the fourth lane of screw arrangement, its in the 5th area The third channel of its space formation screw arrangement.The structure of third channel and fourth lane screw arrangement is further protected Heat transfer effect is demonstrate,proved.

4th partition is equipped with the fifth hole of the fourth lane in the 4th area of connection and the 5th area.

Lower perforated plate is equipped with the fourth lane in the 5th area of connection and the 6th through-hole of the 4th cavity.

As the further improvement of above-mentioned each scheme, expansion joint can be equipped on first mixed gas pipeline road, With absorbing reaction heat, it is adapted to the demand of thermal expansion.

Further, supporting element, the supporting element can also be equipped between the second partition and the third partition It is not connected to first cavity and the second cavity.Further to support and reinforce second partition, third partition and the first mixing Letter shoot road and raw material gas transmission pipe road.

Preferably, the lower end in first mixed gas pipeline road is accommodated in the 4th area, the raw material mixing The upper end in letter shoot road is accommodated in the 4th area；The supporting element connects the material mixed gas conveyance conduit and the Between one mixed gas pipeline road.

For convenience of the discharging of catalyst and porcelain ball, can also be additionally provided with below the third partition for holding porcelain ball The string bag, the side wall of the shell is equipped with discharge duct, and the two-port of the discharge duct is respectively communicated with the string bag and described the Space between three partitions and out-of-bounds.

Compared with prior art, efficient air cold methanol reactor provided by the utility model separates in the same housing Multiple regions avoid the outer long pipeline connection of reactor, reduce out to which synthetic reaction and heat exchange to be integrated in an equipment Number of devices, reduces occupation area of equipment, while the first mixed gas pipeline road is integrated in inside reactor, very big journey Degree ground reduces the big problem of heat loss caused by long pipeline connection, and energy conservation and consumption reduction effects are significant；And the knot of the reactor Structure design can make expanding with heat and contract with cold for equipment realize synchronous with expanding with heat and contract with cold for the inside and outside institute's connecting pipe of equipment, readily satisfy pipe Road in rigors of both rigidity and flexibility, when conduit running expand with heat and contract with cold generation thrust to the damage wind of equipment nozzle Danger fall below it is minimum, be conducive to device enlargement, be also beneficial to the safe and stable operation of large-scale methanol synthesizer.

Detailed description of the invention

Fig. 1 is the longitudinal sectional view of the utility model embodiment；

Fig. 2 is the cross-sectional view of the line A-A along Fig. 1；

Fig. 3 is the partial enlarged view of the part D in Fig. 1；

Fig. 4 is the cross-sectional view of the line C-C along Fig. 1；

Fig. 5 is the cross-sectional view of the line B-B along Fig. 1；

Fig. 6 is the partial enlarged view of the part E in Fig. 5.

Fig. 7 is the cross-sectional view of the line C-C along Fig. 1.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Figures 1 to 7, which includes:

Shell 5 is vertical structure, is inside successively equipped at intervals with first partition 1, second partition 2, third partition from top to bottom 3 and the 4th partition 4 inner cavity of the shell 5 is divided into mutually independent firstth area 51, the second area 52, third area the 53, the 4th Area 54 and the 5th area 55；It is additionally provided with upper perforated plate 66 in the top of first partition 1, upper perforated plate 66 and the housing parts above it enclose Form third cavity 56；It is additionally provided with lower perforated plate 77 in the lower section of the 4th partition 4, the periphery of lower perforated plate 77 is tightly connected the shell Inner sidewall, lower perforated plate 77 is enclosed the 4th cavity 57 with housing parts below.

Mutually independent first passage 51a and second channel 51b is equipped in firstth area 51.The first passage 51a By the setting of two block gaps the first plate 61 and the second plate 62 synchronize wind, the lower ora terminalis of the first plate 61 and the second plate 62 is fixed In the first partition 1, the upper edge of the first plate 61 and the second plate 62 is fixed on upper perforated plate 66；The week of the upper perforated plate 66 Edge is tightly connected the side wall of the shell.

The external end edge of first plate 61 is tightly connected by the side wall of the first connecting plate 63 and shell；First plate 61 and the second plate 62 interior ora terminalis is tightly connected by the first central partition plate 65；The external end edge of second plate 62 is tightly connected by the second connecting plate 64 The side wall of shell.

Cavity between first plate 61 and second plate 62 forms the second channel 51b of screw arrangement, Other spaces in firstth area 51 form the first passage 51a of screw arrangement.For convenient for difference, the in Fig. 2 Hatching pattern is filled in one channel 51a.The two-port of second channel 51b is separately connected third cavity 56 and the second area 52；With In the upper cover 12 for the first reaction gas conveyance conduit 25 connection shell 5 for conveying the first reaction gas, outlet third cavity 56.The two-port of first passage 51a is separately connected the first mixed gas pipeline road 14 and the second mixed gas pipeline road 26, passes through Second mixed gas pipeline road 26 will mix pneumatic transmission to out-of-bounds after preheating.

Upper perforated plate 66 is equipped with the third through-hole 66a of the second channel 51b in connection third cavity 56 and the first area 51.

First partition 1 is equipped with the second channel 51b in the first area 51 of connection and the fourth hole 1a in the second area 52.

Second area 52 is cavity, the first reaction gas sent for buffering second channel 51b.

First mixed gas pipeline road 14 is arranged in the secondth area, for the gaseous mixture after delivery heat transfer, entrance connection Gas outlet 23 on second partition 2.

Third area 53 is enclosed for reaction zone by second partition 2, third partition 3 and corresponding housing parts, in It is equipped with more tracheaes 6 side by side, the both ends of each tracheae 6 are separately fixed on second partition 2 and third partition 3.

Second partition 2 and third partition 3 are cored slab.Wherein there is the first cavity 21, each institute in the second partition 2 The outlet for stating tracheae 6 is connected to first cavity 21；Gas outlet 23 is equipped among second partition 2, on the second partition 2 Also it is equipped at intervals with first through hole 22 multiple longitudinally through and independently of first cavity 21, the two-port point of first through hole 22 It is not connected to secondth area 52 and the third area 53.

It is equipped with the second cavity 31 in the third partition 3, the entrance of each tracheae 6 is all connected with second cavity 31； The air inlet 33 of the second cavity 31 of connection is equipped among third partition 3；Multiple longitudinal directions are also equipped at intervals on the third partition 3 Third partition 3 and the second through-hole 32 independently of the second cavity 31 are penetrated through, the two-port of each second through-hole 32 is respectively communicated with described Third area 53 and the 4th area 54.

4th area 54 is cavity, is the buffer area of the second reaction gas.

5th area 55, it is interior to be equipped with mutually independent third channel 55a and fourth lane 55b.In the present embodiment, described The third plate 71 that triple channel 55a is arranged by two block gaps and the 4th plate 72 synchronize wind, third plate 71 and the 4th plate 72 Lower ora terminalis is fixed on the lower perforated plate 77, and the upper edge of third plate 71 and the 4th plate 72 is fixed on the 4th partition 4.

The interior ora terminalis of the third plate 71 and the 4th plate 72 is tightly connected by the second central partition plate 75；Third plate 71 and The external end edge of four plates 72 passes through third connecting plate 74 respectively and the 4th connecting plate 73 is tightly connected corresponding housing sidewall.

The fourth lane 55b of cavity formation screw arrangement between third plate 71 and the 4th plate 72, the described 5th Other spaces in area 55 form the third channel 55a of screw arrangement.For convenient for difference, by third channel in Fig. 4 53a is filled with shade.

4th partition 4 is equipped with the fifth hole 4a of the fourth lane 55b in the 4th area 54 of connection and the 5th area.

Lower perforated plate 77 is equipped with the fourth lane 55b in the 5th area of connection and the 6th through-hole 77a of the 4th cavity 57.

The two-port of third channel 55a is separately connected circulating air input channel 28 and circulating air conveyance conduit 27a；Four-way The two-port of road 55b is respectively communicated with the 4th area 54 and the 4th cavity 57.

Raw material gas transmission pipe road 27, for conveying fresh unstripped gas, the side wall exported across shell 5 connects air inlet 33。

Circulating air input channel 28 is incorporated into fresh unstripped gas for conveying out-of-bounds circulating air and forms gaseous mixture；Its Entrance is connected on shell and is connected to the entrance of third channel 55a.

Circulating air output channel 27a is partially accommodated in the 4th area 54 for the circulating air after delivery heat transfer, part position In outside shell, entrance connects the outlet of third channel 55a, and outlet is pierced by the side wall connection raw material gas transmission pipe road of shell 27。

First mixed gas pipeline road 14 is arranged in the second area 52, which is provided with for conveying preheated gaseous mixture Expansion joint 15, for absorbing thermal stress.The two-port in the first mixed gas pipeline road 14 is separately connected the outlet on second partition 2 The entrance of 23 and first passage 51a of mouth.The outlet of first passage 51a is connected out-of-bounds by the second mixed gas pipeline road 26.

Second mixed gas pipeline road 26 is connected on shell, enters for the gaseous mixture after heat exchange to be delivered to out-of-bounds The outlet of mouth connection first passage 51a.

Supporting element 74 is connected to the lower end in the first mixed gas pipeline road 14 and the outlet end in raw material gas transmission pipe road 27 Between portion, it is used to support two partitions and reinforces the lower end and raw material gas transmission pipe road 27 in the first mixed gas pipeline road 14 Connection structure.Supporting element 74 can be rod structure, be also possible to tubular structure；When supporting element 74 is tubular structure, with the It is not connected between two partitions 2 and second partition 3.

The lower section of third partition 3 is arranged in for catching porcelain ball in the string bag 91.

Discharge duct 92 is arranged on the side wall of shell 5, logical for the discharging of the catalyst and porcelain ball that are filled in third area Road；The two-port of the discharge duct 92 is respectively communicated with the space between the string bag 91 and the third partition 3 and the boundary of shell Outside.

The working principle of the efficient air cold methanol reactor is described as follows:

Shape after being mixed into the fresh feed gas in raw material gas transmission pipe road with the circulating air from circulating air output channel It at gaseous mixture, is entered in the second cavity of third partition via air inlet, then even into each tracheae, intratracheally with After three area's internal catalyst bed floor react generated reaction heat heat exchange, into the first cavity on second partition, via outlet Mouthful enter the first mixed gas pipeline road, subsequently into the first passage in the firstth area, and is sent in first area's second channel Out-of-bounds the first reaction gas heat exchange after, via the second mixed gas pipeline road send out out-of-bounds.

The first reaction gas out-of-bounds sent enters third cavity buffering, subsequently into the second channel in the firstth area, after heat exchange The secondth area is entered, each first through hole enters in third area from second partition, the work of institute's catalyst filling in third area It is reacted under, generates the second reaction gas.

Second reaction gas enters the 4th area via each second through-hole on third partition, and then enters the 5th area the 4th In channel, sent out out-of-bounds after exchanging heat with the circulating air out-of-bounds sent in the 5th area's third channel from the second reaction gas conveyance conduit. And it is incorporated into raw material gas transmission pipe road after the circulating air heat exchange out-of-bounds sent by circulating air output channel and forms gaseous mixture.

Claims (7)

1. a kind of efficient air cold methanol reactor, including closed shell (5), it is characterised in that in the shell (5) from up to Under be successively equipped at intervals with first partition (1), second partition (2), third partition (3) and the 4th partition (4) for the shell (5) Inner cavity is divided into mutually independent firstth area (51), the secondth area (52), third area (53), the 4th area (54) and the 5th area (55)；

Mutually independent first passage (51a) and second channel (51b) are equipped in firstth area (51)；

The two-port of the second channel (51b) is respectively communicated with the chamber (52a) and the first reaction gas conveyance conduit in the secondth area (25)；The two-port of the first passage (51a) is respectively communicated with the outlet and the second mixing in the first mixed gas pipeline road (14) Letter shoot road (26)；

The second partition (2), third partition (3) and corresponding housing parts, which enclose, forms the third area (53), the More tracheaes (6) are equipped at intervals in 3rd area；The first cavity (21) are equipped in the second partition (2), each tracheae (6) goes out Mouth is connected to first cavity (21)；The chamber in multiple connection secondth areas is also equipped at intervals on the second partition (2) (52a) and the third area (53) and independently of the first through hole (22) of first cavity (21)；In the third partition (3) Equipped with the second cavity (31), the entrance of each tracheae (6) is connected to second cavity (31)；On the third partition (3) Also it is equipped at intervals with the second through-hole (32) of multiple connection the third areas (53) and the 4th area (54)；

Mutually independent third channel (55a) and fourth lane (55b) are equipped in 5th area (55)；The fourth lane The two-port of (55b) is respectively communicated with the second reaction gas conveyance conduit (29) and the 4th area (54)；The two of the third channel (55a) Port is separately connected circulating air input channel (28) and circulating air output channel (27a)；The circulating air output channel (27a) is even Lead to raw material gas transmission pipe road (27), the second cavity (31) described in the outlet of the raw material gas transmission pipe road (27).

2. efficient air cold methanol reactor according to claim 1, it is characterised in that described first in the shell (5) The top of partition (1) is equipped with upper perforated plate (66), and the periphery of the upper perforated plate (66) and the periphery of the shell are tightly connected；

The first plate (61) that the first passage (51a) is arranged by two block gaps and the second plate (62) synchronize wind, first The lower ora terminalis of plate (61) and the second plate (62) is fixed on the first partition (1), the first plate (61) and the second plate (62) it is upper Ora terminalis is fixed on the upper perforated plate (66)；

The interior ora terminalis of first plate (61) and the second plate (62) is tightly connected by the first central partition plate (65)；First plate (61) and The external end edge of two plates (62) is tightly connected corresponding housing sidewall respectively；

Cavity between first plate (61) and second plate (62) forms the second channel of screw arrangement (51b), other spaces in firstth area (51) form the first passage (51a) of screw arrangement；

Upper perforated plate (66) is equipped with the third through-hole (66a) of the second channel (51b) in connection third cavity (56) and the firstth area；

First partition (1) is equipped with the second channel (51b) in the firstth area of connection and the fourth hole (1a) of the secondth area (52).

3. efficient air cold methanol reactor according to claim 1 or 2, it is characterised in that in institute in the 5th area (55) The lower section for stating the 4th partition (4) is equipped with lower perforated plate (77), and the periphery of the lower perforated plate (77) is tightly connected the inside of the shell Wall；

The third plate (71) that the third channel (55a) is arranged by two block gaps and the 4th plate (72) synchronize wind, third The lower ora terminalis of plate (71) and the 4th plate (72) is fixed on the lower perforated plate (77), the upper end of third plate (71) and the 4th plate (72) Edge is fixed on the 4th partition (4)；

The interior ora terminalis of the third plate (71) and the 4th plate (72) is tightly connected by the second central partition plate (75)；Third plate (71) It is tightly connected corresponding housing sidewall respectively with the external end edge of the 4th plate (72)；

Cavity between third plate (71) and the 4th plate (72) forms the fourth lane (55b) of screw arrangement, and described the Other spaces in 5th area (55) form the third channel (55a) of screw arrangement；

4th partition (4) is equipped with the fifth hole (4a) of the fourth lane (55b) in the 4th area (54) of connection and the 5th area；

Lower perforated plate (77) is equipped with the fourth lane (55b) in the 5th area of connection and the 6th through-hole (77a) of the 4th cavity (57).

4. efficient air cold methanol reactor according to claim 3, it is characterised in that first mixed gas pipeline road (14) expansion joint (15) are equipped with.

5. efficient air cold methanol reactor according to claim 4, it is characterised in that the second partition (2) and described Supporting element (74) are equipped between three partitions (3), the supporting element (74) is not connected to first cavity (21) and the second cavity (31)。

6. efficient air cold methanol reactor according to claim 5, it is characterised in that first mixed gas pipeline road (14) lower end is accommodated in the third area (53), and the upper end of the raw material gas transmission pipe road (27) is accommodated in described the In 3rd area (53)；The supporting element (74) connect the raw material gas transmission pipe road (27) and the first mixed gas pipeline road (14) it Between.

7. efficient air cold methanol reactor according to claim 6, it is characterised in that the lower section of the third partition (3) is also Equipped with the string bag (91) for holding porcelain ball, the side wall of the shell is equipped with discharge duct (92), the two-port of the discharge duct The space that is respectively communicated between the string bag (91) and the third partition (3) and out-of-bounds.