CN209076649U - A kind of methanol-fueled CLC air cooling synthetic tower - Google Patents

Abstract

The utility model relates to a kind of methanol-fueled CLC air cooling synthetic towers, including closed shell, it is characterised in that be equipped with three pieces of partitions in shell for the inner cavity of shell and be divided into four areas；Mutually independent 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 second；The chamber in the secondth area of outlet of second channel；More tracheaes are equipped at intervals in third area；It is equipped with third demarcation plate in 4th area and distinguishes the chamber and collection chamber for being divided into mutually independent 4th area by the 4th；The entrance of the second cavity of outlet of collection chamber；First gaseous mixture successively connects first passage via collection chamber, the second cavity, tracheae, the first cavity, third channel via from the first mixed gas pipeline road；First reaction gas conveyance conduit successively connects the 4th area via second channel, the chamber in the secondth area, first through hole, third area, is finally sent by the second reaction gas conveyance conduit to out-of-bounds.

Description

A kind of methanol-fueled CLC air cooling synthetic tower

Technical field

The utility model relates to arrive chemical industry equipment more particularly to a kind of methanol-fueled CLC air cooling synthetic tower.

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 air cooling of methanol-fueled CLC for the status of the prior art Synthetic tower 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.

The synthetic tower technical solution adopted by the utility model to solve the above technical problems is as follows: methanol-fueled CLC is gas-cooled, packet Include closed shell, it is characterised in that be successively spaced and set from one end of the shell to the other end of the shell in the shell There are first partition, second partition and third partition；Each partition by the inner cavity of the shell be successively divided into the firstth area, the secondth area, Third area and the 4th area；

Mutually independent first passage and second channel are equipped in firstth area；The outlet of the first passage passes through the Two mixed gas pipeline roads connect out-of-bounds；The entrance of the second channel connects the first reaction gas conveyance conduit；

The first demarcation plate is equipped in secondth area, first demarcation plate is distinguished second and is divided into mutually independent second The chamber and third channel in area；The chamber in the secondth area described in the outlet of the second 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 two-port of the third channel is separately connected outlet and the entrance of the first passage of first cavity；

The second cavity is equipped in the third partition, the entrance of each tracheae is all connected with second cavity；Described Multiple the second through-holes independently of second cavity are also equipped at intervals on three partitions；

In 4th area be equipped with third demarcation plate by it is described 4th distinguish be divided into mutually independent 4th area chamber and Collection chamber；The entrance of second cavity described in the outlet of the collection chamber；

The two-port of second through-hole is respectively communicated with the chamber in the third area and the 4th area；

Collection chamber described in the outlet in the first mixed gas pipeline road of connection out-of-bounds；

For being connected to the 4th area to the second reaction gas conveyance conduit for out-of-bounds conveying the second reaction gas.

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.

For convenience of the discharging of catalyst and porcelain ball, the net for holding porcelain ball can be equipped in the lower section of the third partition Pocket, the side wall of the shell are equipped with discharge duct, the two-port of the discharge duct be respectively communicated with the string bag and the third every Space between plate and out-of-bounds.

Preferably, the pipeline that the second channel in firstth area can be set side by side by more forms, each pipeline and institute The gap stated between the inner cavity in the firstth area constitutes the first passage.

Can also be equipped with the second demarcation plate in the chamber in secondth area, second demarcation plate with it is corresponding described The part of first partition and the part of the shell are enclosed the surge chamber of the chamber independently of secondth area；

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

Preferably, third demarcation plate can be additionally provided in the 4th area；The third demarcation plate and corresponding institute It states housing parts and forms the collection chamber.

Compared with prior art, methanol-fueled CLC air cooling synthetic tower provided by the utility model passes through in the same housing The design of partition is separated out multiple regions to which synthetic reaction and heat exchange to be integrated in an equipment, avoids reactor foreign minister Pipeline connection, reduces number of devices, reduces occupation area of equipment, while long pipeline connection institute has also been reduced to a great extent The big problem of caused heat loss, energy conservation and consumption reduction effects are significant；And the structure of the reactor designs, and can make the heat expansion of equipment The expanding with heat and contract with cold of shrinkage and the inside and outside institute's connecting pipe of equipment is realized synchronous, readily satisfies pipeline of both 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 device Enlargement is also beneficial to the safe and stable operation of large-scale methanol synthesizer.Cancel synthetic reaction area center central tube, take and It is instead of heat exchanger tube and catalyst, effectively increases catalysis reaction compartment, reactor diameter can be further reduced, it is big is conducive to device Type.

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. 2；

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, methanol-fueled CLC air cooling synthetic tower 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.

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.

Each U-tube two-port limits in first partition 1；It is also connected with the second demarcation plate 56 in first partition 1, second Demarcation plate 56 is located in the chamber 52a in the secondth area, the second demarcation plate 56 and corresponding 1 part of first partition and corresponding Housing parts form the surge chamber 58 of the chamber 52a independently of the secondth area；The entrance of second channel 51b and the conveying of the first reaction gas The outlet of pipeline 75 is 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 connected to first partition 1 and second partition 2 On, the first demarcation plate 76 is enclosed with 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 corresponding another partial shell forms the chamber independently of the secondth area The third channel 52b of room 52a, for conveying preheated gaseous mixture, the entrance and exit of third channel 52b is separately connected second The entrance of gas outlet 23 and first passage 51a on partition.

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；Wherein the chamber 52a in the secondth area is into the buffer area of the first reaction gas in it.

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

The second cavity 31 is equipped in third partition 3, the entrance of each tracheae 6 is all connected with the second cavity 31；Corresponding to collection chamber Outlet the lower surface side of third partition 3 be equipped with connection the second cavity 31 air inlet 33；Also interval is set on third partition 3 There are multiple longitudinally through third partitions 3 and the second through-hole 32 independently of the second cavity 31, the two-port point of each second through-hole 32 Not Lian Tong third area 53 and the 4th area chamber 54a.

4th area 54 is cavity, interior to be equipped with third demarcation plate 78；Third demarcation plate 78 is distinguished the 4th to be divided into mutually solely The chamber 54a and collection chamber 54b in the 4th vertical area.Wherein the chamber 54a in the 4th area is the buffer area of the second reaction gas.Collection chamber 54b is gaseous mixture buffer area；The outlet of collection chamber connects air inlet 33, and the entrance of collection chamber connects the first mixed gas pipeline road 71 outlet.

First mixed gas pipeline road 71, for conveying the gaseous mixture of fresh unstripped gas and circulating air, outlet is fixed On shell 5 and it is connected to collection chamber 54b.

Second mixed gas pipeline road 73, for sending the gaseous mixture to have exchanged heat from the firstth area to out-of-bounds downstream unit.

First reaction gas conveyance conduit 75, for out-of-bounds the first reaction gas to be delivered in the second channel 51b in the firstth area.

Second reaction gas conveyance conduit 8, for conveying the second reaction gas to out-of-bounds；Shell corresponding to 4th area is equipped with The outlet of second reaction gas, the entrance of the second reaction gas conveyance conduit 8 of the second reaction gas outlet connection.

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 methanol-fueled CLC air cooling synthetic tower is described as follows:

After fresh unstripped gas and circulating air formation gaseous mixture enter collection chamber buffering by the first mixed gas pipeline road, Into in the second cavity of third partition, then even into each tracheae, intratracheally 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 first passage for entering the firstth area, after exchanging heat with out-of-bounds the first reaction gas sent in first area's second channel, via second It sends out out-of-bounds in mixed gas pipeline road.

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 via the second reaction gas conveyance conduit.

Claims (6)

1. The synthetic tower 1. a kind of methanol-fueled CLC is gas-cooled, including closed shell (5), it is characterised in that in the shell (5) described in One end of shell is successively equipped at intervals with first partition (1), second partition (2) and third partition (3) to the other end of the shell； 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 each partition；

   Mutually independent first passage (51a) and second channel (51b) are equipped in firstth area (51)；The first passage The outlet of (51a) is connected out-of-bounds by the second mixed gas pipeline road (73)；The entrance connection first of the second channel (51b) Reaction gas conveyance conduit (75)；

   The first demarcation plate (76) are equipped in secondth area (52), the secondth area (52) are divided into phase by first demarcation plate (76) The chamber (52a) and third channel (52b) in mutual independent secondth area；Second described in the outlet of the second channel (51b) The chamber (52a) in area；

   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 two-port of the third channel (52b) be separately connected first cavity (21) outlet and the first passage The entrance of (51a)；

   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 the second through-holes (32) independently of second cavity (31) are also equipped at intervals on the third partition (3)；

   It is equipped with third demarcation plate (78) in 4th area (54), the 4th area (54) is divided into mutually independent 4th area Chamber (54a) and collection chamber (54b)；The entrance of second cavity (31) described in the outlet of the collection chamber (54b)；

   The two-port of second through-hole (32) is respectively communicated with the chamber (54a) of the third area (53) and the 4th area；

   Collection chamber (54b) described in the outlet in the first mixed gas pipeline road (71) of connection out-of-bounds；

   For being connected to the chamber (54a) in the 4th area to the second reaction gas conveyance conduit (8) for out-of-bounds conveying the second reaction gas.
2. The synthetic tower 2. methanol-fueled CLC according to claim 1 is gas-cooled, it is characterised in that the shell (5) is vertical structure, The first partition (1), second partition (2) and third partition (3) are set gradually from top to bottom.
3. The synthetic tower 3. methanol-fueled CLC according to claim 1 is gas-cooled, 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 (5) is equipped with discharge duct (92), the both ends of the discharge duct Mouth is respectively communicated with space between the string bag (91) and the third partition (3) and out-of-bounds.
4. 4. according to claim 1 to the air cooling synthetic tower of methanol-fueled CLC described in 3 any claims, it is characterised in that described first The pipeline composition that second channel (51b) You Duogen in area (51) is set side by side, between each pipeline and the inner cavity in firstth area Gap constitute the first passage (51a).
5. The synthetic tower 5. methanol-fueled CLC according to claim 4 is gas-cooled, it is characterised in that in the chamber (52a) in secondth area It is additionally provided with the second demarcation plate (56), the part and institute of second demarcation plate (56) and the corresponding first partition (1) The part for stating shell is enclosed the surge chamber (58) of the chamber (52a) independently of secondth area；

   The second channel (51b) is " u "-shaped pipe, and the entrance and exit of each second channel (51b) is each attached to described the On one partition (1), and the outlet of the entrance of the second channel (51b) and the first reaction gas conveyance conduit (75) connects Lead to the surge chamber (58).
6. The synthetic tower 6. methanol-fueled CLC according to claim 5 is gas-cooled, it is characterised in that be additionally provided in the 4th area (54) Third demarcation plate (78)；The third demarcation plate (78) and the corresponding housing parts form the collection chamber (54b).