CN209061097U - A kind of methanol synthesis reactor - Google Patents

Abstract

The utility model relates to a kind of methanol synthesis reactors, including closed shell, it is characterised in that be equipped with three pieces of partitions in the shell for the inner cavity of shell and be divided into four areas；First passage and second channel are equipped in first area；It is equipped with the first demarcation plate in secondth area and distinguishes the chamber and third channel for being divided into mutually independent secondth area by described second；More tracheaes are equipped at intervals in the third area；First mixed gas pipeline road, which enters the shell from bottom and passes through the 4th area, is connected to second cavity；The two-port of the third channel is respectively communicated with the entrance of first cavity and the first passage, and the outlet of the first passage is connected out-of-bounds by the second mixed gas pipeline road；The two-port of the second channel is respectively communicated with the chamber and the first reaction gas conveyance conduit in secondth area；4th area is connected out-of-bounds by the second reaction gas conveyance conduit.

Description

A kind of methanol synthesis reactor

Technical field

The utility model relates to arrive chemical industry equipment more particularly to a kind of methanol synthesis 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 methanol synthesis reaction for the status of the prior art Device 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 in device Occupied area and construction investment, are greatly decreased duct length and thermal losses, thus 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: the methanol synthesis reactor, including envelope The shell closed, it is characterised in that be successively equipped at intervals with the in the shell from one end of the shell to the other end of the shell One partition, second partition and third partition；The inner cavity of the shell is successively divided into the firstth area, the secondth area, third by each partition Area and the 4th area；

First passage and second channel are equipped in firstth area；

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；

More tracheaes are equipped at intervals in the third area；

There is the first cavity, the outlet of each tracheae is connected to first cavity in the second partition；Described Multiple chambers for being connected to secondth area and the third area are also equipped at intervals on two partitions and independently of first cavity First through hole；

The second cavity is equipped in the third partition, the entrance of each tracheae is all connected with second cavity；Described Multiple connections third area and the 4th area and second logical independently of second cavity are also equipped at intervals on three partitions Hole；

First mixed gas pipeline road, which enters the shell from bottom and passes through the 4th area, is connected to second cavity； The two-port of the third channel is respectively communicated with the entrance of first cavity and the first passage, the first passage Outlet is connected out-of-bounds by the second mixed gas pipeline road；The two-port of the second channel is respectively communicated with the chamber in secondth area Room and the first reaction gas conveyance conduit；

4th area is connected out-of-bounds by the second reaction gas conveyance conduit.

It is preferred that the shell is vertical structure, the first partition, second partition and third partition are successively set from top to bottom It sets.The structure occupied area is smaller, to reduce infrastructure investment.

It, can be defeated in first gaseous mixture to keep the support in second partition and the first mixed gas pipeline road more firm It send and is connected with supporting element between pipeline and the second partition.

The structure of supporting element can there are many, the supporting element be solid rod structure or tubular structure；The structure accounts for It is small with space, and support firm.When supporting element is tubular structure, when the supporting element is tubular structure, supporting element and institute The first mixed gas pipeline road is stated not to be connected to the first cavity on the second partition.

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.

As the improvement of above-mentioned each scheme, pipeline group that the second channel in firstth area can be set side by side by more At the gap between each pipeline and the inner cavity in firstth area constitutes the first passage.

The second demarcation plate, second demarcation plate and corresponding institute can also be additionally provided in the chamber in secondth area The inner wall section of the part and the shell of stating first partition is enclosed the surge chamber of the chamber independently of secondth area；

The second channel is preferably " u "-shaped pipe, and the entrance and exit of each second channel is each attached to described first On partition, and the entrance of the second channel is connected to the surge chamber with the outlet of the first reaction gas conveyance conduit.

Compared with prior art, methanol synthesis reactor provided by the utility model passes through partition in the same housing Design be separated out multiple regions so that synthetic reaction and heat exchange to be integrated in an equipment, avoid the outer long pipeline of reactor Connection, reduces number of devices, reduces occupation area of equipment, while being also reduced to a great extent caused by long pipeline connection The big problem of heat loss, energy conservation and consumption reduction effects are significant；And the structure of the reactor designs, and can make expanding with heat and contract with cold for equipment It realizes synchronous with expanding with heat and contract with cold for the inside and outside institute's connecting pipe of equipment, readily satisfies pipeline harsh of both rigidity and flexibility It is required that the thrust for generation of expanding with heat and contract with cold when conduit running falls below the damage risk of equipment nozzle minimum, it is large-scale to be conducive to device Change, is 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 1；

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

Fig. 3 is the cross-sectional view of the line B-B along Fig. 1；

Fig. 4 is the partial enlarged view of C portion in Fig. 3.

Specific embodiment

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

As shown in Figures 1 to 4, which includes:

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

Partition has three pieces, including first partition 1, second partition 2 and third partition 3, is successively arranged at intervals on from top to bottom Shell 5 it is interior intracavitary, the inner cavity of shell 5 is successively divided into the first area 51, the second area 52, third area 53 and the 4th from top to bottom Area 54.Wherein:

First area 51, in be equipped with the more " u "-shaped pipes being arranged in juxtaposition, each U-tube is constituted in the present embodiment second logical Road 51b, the gap between 51 inner cavity of each U-tube and the firstth area constitute the first passage 51a independently of second channel 51b.First The outlet of channel 51a is connected out-of-bounds by the second mixed gas pipeline road 73.

In the present embodiment, the two-port of each U-tube is limited in first partition 1；Second is also connected in first partition 1 Demarcation plate 56；Second partition 56 is located in the secondth area, the second demarcation plate 56 and corresponding 1 part of first partition and corresponding Housing parts formed independently of the secondth area chamber 52a surge chamber 58；The entrance of second channel 51b and the first reaction gas are defeated The outlet of pipeline 75 is sent to be connected to surge chamber 58；The chamber 52a in the secondth area of outlet of second channel 51b.

First demarcation plate 76 is arranged in the second area 52, and both ends edge is separately connected first partition 1 and second partition 2, the One demarcation plate 76 is enclosed with part first partition 1, second partition 2, the second demarcation plate 56 and corresponding housing parts The chamber 52a in the secondth area；Gap between first demarcation plate 76 and another partial shell forms the of the chamber independently of the secondth area Triple channel 52b.For third channel 52b for conveying preheated gaseous mixture, the entrance and exit of third channel 52b is separately connected the The entrance of gas outlet 23 and first passage 51a on two partitions.

Second area 52 is cavity, and the chamber 52a and the in the secondth area being vertically arranged in juxtaposition is divided by the first demarcation plate 76 Triple channel 52b, and it is separated out by the second demarcation plate 56 surge chamber 58 of the chamber 52a independently of the secondth area.

Third area 53 is reaction zone, and interior to be equipped with more tracheaes 6, each tracheae is arranged in juxtaposition in third area 53；Each tracheae 6 both ends are separately fixed on second partition 2 and third partition 3.

The second partition 2 and third partition 3 for enclosing third area are cored slab.Wherein have first in second partition 2 Cavity 21, the outlet of each tracheae 6 are connected to the first cavity 21；Corresponding to third channel 52b in the upper surface side of second partition 2 It is equipped with the gas outlet 23 of the first cavity 21 of connection, multiple longitudinally through second partitions 2 and solely are also equipped at intervals on second partition 2 The first through hole 22 of the first cavity 21 is stood on, the two-port of first through hole 22 is respectively communicated with chamber 52a and the third area in the secondth area 53。

The second cavity 31 is equipped in third partition 3, the entrance of each tracheae 6 is all connected with the second cavity 31；3 following table of third partition Middle face is equipped with the air inlet 33 of the second cavity 31 of connection；Multiple longitudinally through third partitions 3 are also equipped at intervals on third partition 3 And independently of the second through-hole 32 of the second cavity 31, the two-port of each second through-hole 32 is respectively communicated with third area 53 and the 4th area 54。

4th area 54 is cavity, is the surge chamber of the second reaction gas, corresponds to the 4th area 54 and is equipped with second on shell instead Should gas outlet, the second reaction gas outlet by the second reaction gas conveyance conduit 8 connection out-of-bounds.

First mixed gas pipeline road 71, for conveying the fresh mixed material mixed gas of unstripped gas and circulating air, First mixed gas pipeline road 71 is connected into the shell 5 and across the 4th area 54 via air inlet 33 described from bottom Second cavity 31.

Supporting element 74 is connected between the first mixed gas pipeline road 71 and second partition 2, is used to support second partition 2 With the first mixed gas pipeline road 71.Supporting element 74 can be rod structure, be also possible to tubular structure；Supporting element 74 is tubulose When structure, it is not connected between the first mixed gas pipeline road 71 and second partition 2.

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 discharge duct 92 is respectively communicated with space between the string bag 91 and third partition 3 and shell out-of-bounds.

The working principle of the methanol synthesis reactor is described as follows:

After fresh unstripped gas and circulating air mixing the material mixed gas that is formed by the first mixed gas pipeline road, via Air inlet enters in the second cavity of third partition, then even into each tracheae, intratracheally with catalyst in third area After bed reacts generated reaction heat heat exchange, into the first cavity on second partition, it is logical to enter third via gas outlet Road, subsequently into the first passage in the firstth area, and after out-of-bounds the first reaction gas heat exchange for being sent in second channel, via the It sends out out-of-bounds in two mixed gas pipeline roads.

The first reaction gas out-of-bounds sent enters surge chamber via the first reaction gas conveyance conduit, via in the firstth area Two channels enter in the chamber in the secondth area, and then each first through hole enters in third area from second partition, in third area It is reacted under the action of interior institute's catalyst filling, generates the second reaction gas.Second reaction gas is via each on third partition Two through-holes enter in the 4th area, are delivered to out-of-bounds by the second reaction gas conveyance conduit.

Claims (7)

1. a kind of methanol synthesis reactor, including closed shell (5), it is characterised in that from the shell in the shell (5) One end be successively equipped at intervals with first partition (1), second partition (2) and third partition (3) to the other end of the shell；Respectively every The inner cavity of the shell is successively divided into the firstth area (51), the secondth area (52), third area (53) and the 4th area (54) by plate；

First passage (51a) and second channel (51b) are equipped in firstth area (51)；

It is equipped with the first demarcation plate (76) in secondth area (52), secondth area (52) is divided into mutually independent secondth area Chamber (52a) and third channel (52b)；

More tracheaes (6) are equipped at intervals in the third area (53)；

There are the first cavity (21) in the second partition (2), the outlet of each tracheae (6) is connected to first cavity (21)；Chamber (52a) and the third area (53) in multiple connection secondth areas are also equipped at intervals on the second partition (2) And independently of the first through hole (22) of first cavity (21)；

The second cavity (31) are equipped in the third partition (3), the entrance of each tracheae (6) is all connected with second cavity (31)；Multiple connections third area (53) and the 4th area (54) and independence are also equipped at intervals on the third partition (3) In the second through-hole (32) of second cavity (31)；

First mixed gas pipeline road (71) enters the shell (5) from bottom and passes through the 4th area (54) connection described the Two cavitys (31)；The two-port of the third channel (52b) is respectively communicated with first cavity (21) and the first passage The outlet of the entrance of (51a), the first passage (51a) is connected out-of-bounds by the second mixed gas pipeline road (73)；Described The two-port in two channels (51b) is respectively communicated with the chamber (52a) and the first reaction gas conveyance conduit (75) in secondth area；

4th area (54) is connected out-of-bounds by the second reaction gas conveyance conduit (8).

2. methanol synthesis reactor according to claim 1, it is characterised in that the shell (5) is vertical structure, described First partition (1), second partition (2) and third partition (3) are set gradually from top to bottom.

3. methanol synthesis reactor according to claim 2, it is characterised in that first mixed gas pipeline road (71) Supporting element (74) are connected between the second partition (2).

4. methanol synthesis reactor according to claim 3, it is characterised in that the supporting element (74) is solid rod Structure or tubular structure；When the supporting element is tubular structure, supporting element and first mixed gas pipeline road (71) and The first cavity (21) on the second partition is not connected to.

5. methanol synthesis reactor according to claim 1, it is characterised in that be additionally provided with below the third partition (3) For holding the string bag (91) of porcelain ball, the side wall of the shell (5) is equipped with discharge duct (92), the two-port point of the discharge duct The space that is not connected between the string bag (91) and the third partition (3) and out-of-bounds.

6. methanol synthesis reactor according to any one of claims 1 to 5, it is characterised in that firstth area (51) the pipeline composition that second channel (51b) You Duogen in is set side by side, between each pipeline and the inner cavity in firstth area Gap constitutes the first passage (51a).

7. methanol synthesis reactor according to claim 6, it is characterised in that also set in the chamber (52a) in secondth area Have the second demarcation plate (56), the part and the shell of second demarcation plate (56) and the corresponding first partition (1) Inner wall section be enclosed the surge chamber (58) independently of the chamber in secondth area；

The second channel (51b) is " u "-shaped pipe, and the entrance and exit of each second channel is each attached to the first partition (1) on, and the entrance of the second channel is connected to the buffering with the outlet of the first reaction gas conveyance conduit (75) Room (58).