CN209406290U - A kind of high efficiency methanol synthesis gas cold reactor - Google Patents

Abstract

The utility model relates to a kind of high efficiency methanol synthesis gas cold reactors, including closed shell, it is characterised in that be equipped with upper perforated plate and three pieces of partitions in the shell for the inner cavity of shell and be divided into four areas；The first passage and second channel of screw arrangement are equipped in first area, described second divides into the chamber and third channel in the secondth area；More tracheaes are equipped at intervals in third area；Described 4th divides into the chamber and mixing chamber in the 4th area；The chamber in the 4th area described in the outlet of second through-hole；Mixing chamber described in the outlet of gaseous mixture input channel for conveying out-of-bounds material mixed gas；Second reaction gas conveyance conduit is connected to the bottom of shell and is connected to the chamber in the 4th area.

Description

A kind of high efficiency methanol synthesis gas cold reactor

Technical field

The utility model relates to arrive chemical industry equipment more particularly to a kind of high efficiency methanol synthesis gas cold 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 synthesis of high efficiency methanol for the status of the prior art Be gas-cooled reactor, in the case where the reaction gas cooling after the heating and reaction for realizing the material mixed gas before methanol-fueled CLC requires, effectively Installation area and construction investment are reduced, duct length and thermal losses is greatly decreased, to meet methanol synthesizer Enlargement and energy-saving demand for development.

Technical solution adopted by the utility model to solve the above technical problems is as follows: high efficiency methanol synthesis air cooling reaction Device, including closed shell, it is characterised in that be successively arranged first partition, second partition and third in the shell from top to bottom The inner cavity of the shell is divided into the firstth area, the secondth area, third area and the 4th area by partition；

Upper perforated plate is additionally provided with above the first partition in the shell；

The first plate and the second plate are equipped at intervals in cavity between first partition and upper perforated plate, the first plate and the second plate are synchronous Winding, cavity between the two form the second channel of screw arrangement, and other spaces in the firstth area form the institute of screw arrangement The first passage stated；The lower ora terminalis of first plate and the second plate is fixed in the first partition, the upper end of the first plate and the second plate Edge is fixed on upper perforated plate；The periphery of the upper perforated plate is tightly connected the side wall of the shell；

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 entrance of the first passage connects the first reaction gas conveyance conduit；The outlet of the second channel passes through gaseous mixture Output channel connects out-of-bounds；

In secondth area be equipped with the first demarcation plate by it is described second distinguish be divided into mutually independent secondth area chamber and Third channel；The outlet of the third channel connects the entrance of the second channel；The outlet second of the first passage The chamber in area；

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；Multiple second through-holes are also equipped at intervals on the third partition；The entrance of second through-hole is connected to third area；

In 4th area be equipped with the second demarcation plate by it is described 4th distinguish be divided into mutually independent 4th area chamber and Mixing chamber；Second cavity described in the outlet of the mixing chamber；

The chamber in the 4th area described in the outlet of second through-hole；For conveying the gaseous mixture of out-of-bounds material mixed gas Mixing chamber described in the outlet of input channel；

Second reaction gas conveyance conduit is connected to the bottom of shell and is connected to the chamber in the 4th area.

The mixture output tube road, which is located on the side wall of the intracorporal part of the shell, is equipped at intervals with multiple stomatas, with balance The inside and outside differential pressure in 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 two partitions and out-of-bounds.

Compared with prior art, high efficiency methanol synthesis gas cold reactor provided by the utility model is in the same housing Multiple regions are separated out to which synthetic reaction and heat exchange to be integrated in an equipment, avoid the outer long pipeline connection of reactor, Reduce number of devices, reduces occupation area of equipment, while third channel is integrated in inside reactor, dramatically subtract The big problem of heat loss caused by long pipeline connection is lacked, energy conservation and consumption reduction effects are significant；First passage and second are led to simultaneously Road is related to the structure of screw arrangement, and gaseous mixture heat exchange is more abundant；And the structure of the reactor designs, and can make the heat of equipment The expanding with heat and contract with cold of swollen shrinkage and the inside and outside institute's connecting pipe of equipment is realized synchronous, readily satisfies pipeline at two aspect of rigidity and flexibility Rigors, when conduit running the expand with heat and contract with cold thrust of generation the damage risk of equipment nozzle is fallen below minimum, be conducive to dress Enlargement is set, the safe and stable operation of large-scale methanol synthesizer is also beneficial to.The central tube for cancelling synthetic reaction area center, takes And it is instead of heat exchanger tube and catalyst, catalysis reaction compartment is effectively increased, reactor diameter can be further reduced, is conducive to device Enlargement.

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 B-B along Fig. 1；

Fig. 5 is the partial enlarged view of the part E in Fig. 4.

Fig. 6 is the partial enlarged view of the part F in Fig. 1.

Specific embodiment

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

As shown in Figures 1 to 6, which includes:

Shell 5, enclosed construction, inner cavity are connected out-of-bounds by more root canal roads.Shell 5 in the present embodiment is vertical knot Structure.

First partition 1, second partition 2 and third partition 3 are successively arranged in shell from top to bottom by the inner cavity of the shell It is divided into the first area 51, the second area 52, third area 53 and the 4th area 54；In the shell the top of the first partition 1 also Equipped with upper perforated plate 66.

Mutually independent first passage 51a and second channel 51b is equipped in firstth area 51.First passage 51a is by two First plate 61 of block gap setting and the second plate 62 synchronize wind, the lower ora terminalis of the first plate 61 and the second plate 62 is fixed on institute It states in first partition 1, the upper edge of the first plate 61 and the second plate 62 is fixed on upper perforated plate 66；The periphery of the upper perforated plate 66 is close Envelope connects the side wall of the shell；

The outer end of first plate 61 is tightly connected the inner sidewall of shell by the first connecting plate 63；The external end edge of second plate 62 is logical Cross the inner sidewall that the second connecting plate 64 is tightly connected shell；The interior ora terminalis of first plate 61 and the second plate 62 passes through the first central partition plate 65 are tightly connected；

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 two channel 51b.The entrance of first passage 51a is connected out-of-bounds by the first reaction gas conveyance conduit 25, The outlet of first passage 51a is connected to the chamber 52a in the secondth area.The outlet of second channel 51b is mixed across upper cover 12 and second Letter shoot road 26 is closed to connect.The part that second mixed gas pipeline road 26 is located in the shell 1 is spaced on side wall Equipped with multiple first stomatas 14, for balancing the pressure difference in upper cover.

Second area 52 is cavity, and interior to be equipped with the first demarcation plate 56, the upper and lower end edge of the first demarcation plate 56 is separately connected First partition 1, first partition 2, first demarcation plate 56, first partition 1, second partition 2 and corresponding housing parts enclose Form the chamber 52a in the secondth area；Gap between first demarcation plate 56 and corresponding another partial shell is formed independently of second The third channel 52b of the chamber 52a in area.The chamber 52a in the secondth area is into the buffer area of the first reaction gas in it.Third is logical For road 52b for conveying preheated gaseous mixture, the entrance and exit of third channel 52b is separately connected the outlet on second partition 2 The entrance of 23 and second channel 51b of mouth.

Third area 53 is reaction zone, is enclosed by second partition 2, third partition 3 and corresponding housing parts；In it Equipped with more tracheaes 6, each tracheae is arranged in juxtaposition in third area 53；The both ends of each tracheae 6 are separately fixed at 2 He of first partition On second 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；It is set corresponding to third channel 52b in the side of 2 upper surface of second partition There is gas outlet 23, is also equipped at intervals on the second partition 2 multiple longitudinally through and independently of first cavity 21 first Through-hole 22, the two-port of first through hole 22 be respectively communicated with secondth area chamber 52a 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 in the side of 3 lower surface of third partition corresponding to mixing chamber outlet；The third Multiple longitudinally through third partitions 3 and the second through-hole 32 independently of the second cavity 31 are also equipped at intervals on partition 3, each second is logical The two-port in hole 32 is respectively communicated with the chamber 54a in the third area 53 and the 4th area.

4th area 54 is cavity, and interior distinguish equipped with the second demarcation plate 57 by the 4th is divided into mutually independent 4th area Chamber 54a and mixing chamber 54b.The chamber 54a in the 4th area is the buffer area of the second reaction gas, and mixing chamber 54b is out-of-bounds sent The transfer passage of material mixed gas, the entrance of mixing chamber 54b are connected to gaseous mixture input channel 27, the outlet connection of mixing chamber 54b Air inlet 33 on third partition 3.

Gaseous mixture input channel 27 is exported for conveying the gaseous mixture of fresh unstripped gas and circulating air across described The side wall of shell 5 is connected to the mixing chamber 54b.The outlet mixing chamber 54b is connected to air inlet 33.

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 space between the string bag 91 and the third partition 3 and shell out-of-bounds.

The working principle of the high efficiency methanol synthesis gas cold reactor is described as follows:

Fresh unstripped gas and circulating air form gaseous mixture by gaseous mixture input channel, via mixing chamber, air inlet into Enter into the second cavity of third partition, then even into each tracheae, is intratracheally being reacted with third area internal catalyst bed floor After the heat exchange of generated reaction heat, into the first cavity on second partition, enter third channel via gas outlet, then into In the second channel for entering the firstth area, after exchanging heat with out-of-bounds the first reaction gas sent in first area's first passage, via mixing Gas output channel is sent out out-of-bounds.

The first reaction gas out-of-bounds sent enters first area's first passage via the first reaction gas conveyance conduit, after exchanging heat The chamber for entering the secondth area, each first through hole enters in third area from second partition, and catalysis is filled in third area It is reacted under the action of agent, generates the second reaction gas.

Second reaction gas enters the chamber in the 4th area via each second through-hole on third partition, via the second reaction gas Conveyance conduit is delivered to out-of-bounds.

Claims (3)

1. a kind of high efficiency methanol synthesis gas cold reactor, including closed shell (5), it is characterised in that in the shell from up to Under be successively arranged first partition (1), second partition (2) and third partition (3) inner cavity of the shell be divided into the firstth area (51), the secondth area (52), third area (53) and the 4th area (54)；

Upper perforated plate (66) are additionally provided with above the first partition (1) in the shell；

The first plate (61) and the second plate (62), the first plate are equipped at intervals in cavity between first partition (1) and upper perforated plate (66) (61) winding synchronous with the second plate (62), cavity between the two form the second channel (51b) of screw arrangement, the firstth area (51) Interior other spaces form the first passage (51a) of screw arrangement；The lower ora terminalis of first plate (61) and the second plate (62) It is fixed on the first partition (1), the upper edge of the first plate (61) and the second plate (62) is fixed on upper perforated plate (66)；It is described The periphery of upper perforated plate (66) is tightly connected the side wall of the shell；

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；

The entrance of the first passage connects the first reaction gas conveyance conduit (25)；The outlet of the second channel (51b) passes through Mixture output tube road (26) connects out-of-bounds；

It is equipped with the first demarcation plate (56) in secondth area and distinguishes the chamber for being divided into mutually independent secondth area by described second (52a) and third channel (52b)；The outlet of the third channel (52b) connects the entrance of the second channel (51b)；It is described The chamber (52a) in the secondth area of outlet of first passage；

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 multiple second through-holes (32)；The entrance of second through-hole (32) is connected to third area (53)；

The described 4th is distinguished equipped with the second demarcation plate (57) chamber for being divided into mutually independent 4th area in 4th area (54) Room (54a) and mixing chamber (54b)；Second cavity (31) described in the outlet of the mixing chamber (54b)；

The chamber (54a) in the 4th area described in the outlet of second through-hole (32)；For conveying out-of-bounds material mixed gas Mixing chamber (54b) described in the outlet of gaseous mixture input channel (27)；

Second reaction gas conveyance conduit (29) is connected to the bottom of shell and is connected to the chamber in the 4th area.

2. high efficiency methanol synthesis gas cold reactor according to claim 1, it is characterised in that the mixture output tube road (26) multiple stomatas (14) are equipped at intervals on the side wall of the intracorporal part of the shell.

3. high efficiency methanol synthesis gas cold reactor according to claim 1 or 2, it is characterised in that the second partition (2) Lower section be additionally provided with the string bag (91) for holding porcelain ball, the side wall of the shell is equipped with discharge duct (92), the discharge duct Two-port be respectively communicated with space between the string bag (91) and the second partition (2) and out-of-bounds.