CN209406291U - A kind of efficient air cold methanol synthetic tower - Google Patents

Abstract

The utility model relates to a kind of efficient air cold methanol synthetic towers, including shell, it is characterised in that the inner cavity that four pieces of partition shells are equipped at intervals in shell separates five areas；Raw material gas transmission pipe road is connected to the second cavity on third partition, sends out out-of-bounds after preheating into the secondth area through being entered after the firstth area exchanges heat again by the 6th channel；The first reaction gas out-of-bounds come is reacted after the heat exchange of the firstth area through entering third area by the chamber in the secondth area, and the second obtained reaction gas enters the 5th area via the chamber in the 4th area, is sent out with after circulating air heat exchange out-of-bounds；It is mixed after circulating air heat exchange with the unstripped gas in raw material gas transmission pipe road.

Description

A kind of efficient air cold methanol synthetic tower

Technical field

The utility model relates to arrive chemical industry equipment more particularly to a kind of efficient air cold methanol 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 must be simultaneously high-temperature and pressure pipeline for connecting the pipeline of equipment, while equipment is realized connection Pipeline needs to have flexibility appropriate, to meet the requirement of thermal expansion, the thrust meeting for generation of otherwise expanding with heat and contract with cold when conduit running Damage equipment nozzle.In order to meet the rigidity and flexible double requirement of pipeline, duct length actually required is considerably beyond Liang Tai Linear distance between equipment 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 be for the prior art status offer avoid using connecting pipe A kind of efficient air cold methanol synthetic tower, after the heating and reaction for realizing the material mixed gas before methanol-fueled CLC reaction gas drop Under temperature requires, installation area and construction investment is effectively reduced, duct length and thermal losses is greatly decreased, to meet first The enlargement of alcohol synthesizer 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 synthetic tower, 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, third partition and the 4th partition；The inner cavity of the shell is successively divided into first by each partition Area, the secondth area, third area, the 4th area and the 5th area；

Mutually independent first passage and second channel are equipped in firstth area；Mutually independent the is equipped in 5th area Triple channel and fourth lane；

The Five-channel of the chamber independently of secondth area is equipped in secondth area；

More tracheaes are equipped at intervals in the third area；

The 6th channel of the chamber independently of the 4th area is equipped in 4th 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；

The outlet in raw material gas transmission pipe road is connected to second cavity, the both ends in the 6th channel across the side wall of the shell Mouth is respectively communicated with the outlet in the raw material gas transmission pipe road and the third channel；The two-port of Five-channel is respectively communicated with described The entrance of first cavity and the first passage, the outlet connection of the first passage is out-of-bounds；The two-port of the second channel It is respectively communicated with the outlet of the chamber and the first reaction gas conveyance conduit in secondth area；

The outlet of circulating air conveyance conduit connects the entrance of the third channel；The two-port of the fourth lane connects respectively Lead to the chamber and the second reaction gas conveyance conduit in the 4th area.

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 first area inner cavity constitutes the first passage.

Preferably, each second channel can be " u "-shaped pipe；The two-port of each second channel is limited respectively in institute It states in first partition；The first demarcation plate, first demarcation plate and corresponding first partition are connected in the first partition Part and corresponding housing parts form the first chamber of the chamber independently of secondth area；The second channel enters Mouth is connected to the first chamber with the outlet of the first reaction gas conveyance conduit.

Preferably, the pipeline that the fourth lane in the 5th area can be set side by side by more forms, each fourth lane Gap between the 5th area inner cavity constitutes the third channel.

Preferably, each fourth lane is " u "-shaped pipe；The two-port of each fourth lane is limited respectively described On four partitions；The second demarcation plate, second demarcation plate and the 4th corresponding partition part are connected on 4th partition And corresponding housing parts form the second chamber of the chamber independently of the 4th area；The outlet of the fourth lane and The entrance of the second reaction gas conveyance conduit is connected to the second chamber.

It, can be in the outlet end in the raw material gas transmission pipe road and described second to keep the support of second partition more firm Supporting element is set between partition.

The structure of supporting element can there are many, it is preferred to use rod or tubular structure, the structure occupy little space, and support It is firm.When supporting element is tubular structure, do not connect between supporting element and raw material gas transmission pipe road and the second cavity of second partition It is logical.

As the further improvement of above-mentioned each scheme, can be connected between the first partition and the second partition Third demarcation plate, the third demarcation plate and the first partition part, second partition, the first demarcation plate and corresponding institute The part for stating shell is enclosed the chamber in secondth area；

Gap between the third demarcation plate and the shell of corresponding another part forms the Five-channel.

The 4th demarcation plate can also be equipped in the 4th area, the 4th demarcation plate is distinguished the described 4th and is divided into phase The chamber and the 6th channel in mutual independence and the 4th area being arranged in juxtaposition.

The 5th demarcation plate can also be additionally provided in the 4th area, the 5th demarcation plate and the corresponding housing section Divide and be enclosed mixing chamber, the mixing chamber is connected to the outlet in the raw material gas transmission pipe road and the 6th channel.

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.

It is preferred that the shell be vertical structure, the first partition, second partition, third partition and the 4th partition from up to Under set gradually.The structure occupied area is smaller, to reduce infrastructure investment.

Compared with prior art, efficient air cold methanol 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 Five-channel and the 6th channel are integrated in reaction Inside, has been reduced to a great extent the big problem of heat loss caused by long pipeline connection, and energy conservation and consumption reduction effects are significant；And it should The structure of reactor designs, can make equipment expand with heat and contract with cold with the inside and outside institute's connecting pipe of equipment expand with heat and contract with cold realize it is synchronous, Pipeline is readily satisfied in rigors of both rigidity and flexibility, when conduit running expand with heat and contract with cold generation thrust to equipment pipe Mouthful damage risk 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 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, 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 four pieces, including first partition 1, second partition 2, third partition 3 and the 4th partition 4, from top to bottom successively It is arranged at intervals on the interior intracavitary of shell 5, the inner cavity of shell 5 is successively divided into the first area 51, the second area 52, third from top to bottom Area 53, the 4th area 54 and the 5th area 55.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 each U-tube and 51 inner cavity of the firstth area constitute the first passage 51a independently of second channel 51b. The outlet of first passage 51a is connected out-of-bounds by mixed gas pipeline road 73.Each U-tube two-port limit described first every On plate 1；The first demarcation plate 56, first demarcation plate 56 and corresponding first partition are also connected in the first partition 1 Part and corresponding housing parts form the first chamber 58 of the chamber 52a independently of the secondth area；The second channel 51b Entrance be connected to the first chamber 58 with the outlet of the first reaction gas conveyance conduit 75；The outlet of second channel 51b It is connected to the chamber 52a in the secondth area.

Third demarcation plate 76 is arranged in the second area 52, and both ends are separately connected first partition 1 and second partition 2, institute It states third demarcation plate 76 and 1 part of first partition, second partition 2, the first demarcation plate 56 and corresponding housing parts encloses Form the chamber 52a in the secondth area；Gap between third demarcation plate 76 and the another partial shell is formed independently of the secondth area Chamber Five-channel 52b.Five-channel 52b is for conveying preheated gaseous mixture, the entrance of the Five-channel 52b The gas outlet 23 being separately connected on second partition with outlet and first passage 51a.

Second area 52 is cavity, and the chamber 52a and the in the secondth area being vertically arranged in juxtaposition is divided by third demarcation plate 76 Five-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 are cored slab.Wherein have in the second partition 2 The outlet of first cavity 21, each tracheae 6 is connected to first cavity 21；Corresponding to Five-channel in second partition 2 Upper surface side is equipped with gas outlet 23；It is also equipped at intervals on the second partition 2 multiple longitudinally through and independently of described The first through hole 22 of one cavity 21, 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 middle part of 3 lower surface of third partition is equipped with the air inlet 33 of the second cavity 31 of connection；It is also equipped at intervals on the third partition 3 more A longitudinally through third partition and the second through-hole 32 independently of the second cavity 31, the two-port of each second through-hole 32 are respectively communicated with The chamber 54a in the third area 53 and the 4th area.

4th area 54 is cavity, interior to be equipped with the second demarcation plate 57, the 4th demarcation plate 77 and the 5th demarcation plate 78.Wherein 4th demarcation plate 77 is vertically arranged, and lower ora terminalis connects the 4th partition 4, and ora terminalis connects the 5th partition 78, the 4th demarcation plate thereon 77, the 5th demarcation plate 78, the second demarcation plate 57 and the 4th partition 4, third partition 3 and corresponding shell are enclosed the 4th area Chamber 54a；The chamber 54a in the 4th area is the buffer area of the second reaction gas；4th demarcation plate 77 and corresponding another partial shell Between gap formed connection mixing chamber 79 and the chamber 54a independently of the 4th area the 6th channel 54b.The chamber in the 4th area 54a and the 6th channel 54b are vertically arranged in juxtaposition.

5th demarcation plate 78 is enclosed the mixed gas for buffering and mixing for unstripped gas and circulating air with corresponding housing parts Room 79, the mixing chamber 79 are connected to the outlet in the raw material gas transmission pipe road 71 and the 6th channel 54b, the 6th channel 54b Entrance be connected to the 5th area 55 in third channel 55a outlet.

5th area 55, interior to be equipped with the more " u "-shaped pipes being arranged in juxtaposition, each U-tube constitutes the four-way in the present embodiment Road 55b；Gap between each U-tube and 55 inner cavity of the 5th area constitutes the third channel 55a independently of fourth lane 55b.

The two-port of each " u "-shaped pipe limits on the 4th partition 4；Second point is connected on 4th partition 4 Partition 57, second demarcation plate 57 and the 4th corresponding partition part and corresponding housing parts are formed independently of the The second chamber 59 of the chamber 54a in 4th area；The outlet of the fourth lane 55b and entering for the second reaction gas conveyance conduit 82 Mouth is connected to the second chamber 59.

Raw material gas transmission pipe road 71, for conveying fresh unstripped gas, the side wall exported across the shell 5 is connected to institute State mixing chamber 79.

Circulating air conveyance conduit 81 is incorporated into fresh unstripped gas for conveying circulating air and forms gaseous mixture；Circulating air Conveyance conduit 81 is via the third channel 55a and the 6th channel 54b connection mixing chamber 79 in the 5th area, the mixed gas The outlet of room 79 is connected to by raw material gas transmission pipe road 81 with air inlet 33；The two-port of the fourth lane 55b in 5th area The inner cavity for being respectively communicated with the 4th area 54 and out-of-bounds the second reaction gas conveyance conduit 82.

Supporting element 74 is connected between raw material gas transmission pipe road 71 and second partition 2, is used to support second partition 2.Support Part 74 can be rod structure, be also possible to tubular structure；When supporting element 74 is tubular structure, with raw material gas transmission pipe road 71 It is not connected between 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 1, 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 efficient air cold methanol synthetic tower is described as follows:

Mixing is formed after mixing into the fresh feed gas in raw material gas transmission pipe road with the circulating air from the 6th channel Gas enters in the second cavity of third partition via air inlet, then even into each tracheae, intratracheally with third area in After the heat exchange of reaction heat caused by catalyst bed reaction, into the first cavity on second partition, enter via gas outlet Five-channel, subsequently into the first passage in the firstth area, with out-of-bounds the first reaction gas sent in first area's second channel After heat exchange, sent out out-of-bounds via mixed gas pipeline road.

The first reaction gas out-of-bounds sent enters first chamber via the first reaction gas conveyance conduit, via in the firstth area Second channel enters the chamber in the secondth area, and each first through hole enters in third area from second partition, the institute in third area It is reacted under the action of catalyst filling, generates the second reaction gas.

Second reaction gas enters the chamber in the 4th area via each second through-hole on third partition, and then enters the 5th In area's fourth lane, sent out 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 Out-of-bounds；And mixing chamber is incorporated to by the 6th channel after circulating air heat exchange and forms gaseous mixture.

Claims (10)

1. a kind of efficient air cold methanol synthetic tower, including closed shell (5), it is characterised in that from the shell in the shell One end be successively equipped at intervals with first partition (1), second partition (2), third partition (3) and the 4th to the other end of the shell Partition (4)；The inner cavity of the shell is successively divided into the firstth area (51), the secondth area (52), third area (53), the 4th by each partition Area (54) and the 5th area (55)；

Mutually independent first passage (51a) and second channel (51b) are equipped in firstth area (51)；It is set in 5th area (55) There are mutually independent third channel (55a) and fourth lane (55b)；

The Five-channel (52b) of the chamber (52a) independently of secondth area is equipped in secondth area (52)；

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

The 6th channel (54b) of the chamber (54a) independently of the 4th area is set in 4th area (54)；

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)；

The outlet in raw material gas transmission pipe road (71) is connected to second cavity (31) across the side wall of the shell (5), and described the The two-port in six channels (54b) is respectively communicated with the outlet of the raw material gas transmission pipe road (71) and the third channel (55a)；The The two-port of Five-channel is respectively communicated with the entrance of first cavity (21) and the first passage (51a), the first passage The outlet of (51a) is out-of-bounds；The two-port of the second channel (51b) be respectively communicated with secondth area chamber (52a) and The outlet of first reaction gas conveyance conduit (75)；

The outlet of circulating air conveyance conduit (81) connects the entrance of the third channel (55a)；The two of the fourth lane (55b) Port is respectively communicated with the chamber (54a) and the second reaction gas conveyance conduit (82) in the 4th area.

2. efficient air cold methanol synthetic tower according to claim 1, it is characterised in that second in firstth area (51) The pipeline that channel (51b) You Duogen is set side by side forms, described in the gap composition between each pipeline and the inner cavity in firstth area First passage (51a).

3. efficient air cold methanol synthetic tower according to claim 2, it is characterised in that each second channel (51b) is " u "-shaped pipe；The two-port of each second channel (51b) is limited respectively on the first partition (1)；The first partition (1) it is connected on the first demarcation plate (56), first demarcation plate (56) and corresponding first partition (1) part and institute are right The housing parts answered form the first chamber (58) of the chamber (52a) independently of secondth area；The second channel (51b) Entrance is connected to the first chamber (58) with the outlet of the first reaction gas conveyance conduit (75).

4. efficient air cold methanol synthetic tower according to claim 1, it is characterised in that the in the 5th area (55) the 4th The pipeline composition that channel (55b) You Duogen is set side by side, the gap between each fourth lane (55b) and the inner cavity in the 5th area Constitute the third channel (55a).

5. efficient air cold methanol synthetic tower according to claim 4, it is characterised in that each fourth lane (55b) is " u "-shaped pipe；The two-port of each fourth lane is limited respectively on the 4th partition (4)；On 4th partition (4) also It is connected with the second demarcation plate (57), second demarcation plate (57) and the 4th corresponding partition (4) are partially and corresponding Housing parts form the second chamber (59) of the chamber (54a) independently of the 4th area；The outlet of the fourth lane (55b) The second chamber (59) are connected to the entrance of the second reaction gas conveyance conduit (82).

6. efficient air cold methanol synthetic tower according to any one of claims 1 to 5, it is characterised in that the raw material Supporting element (74) are connected between the outlet end in letter shoot road and the second partition.

7. efficient air cold methanol synthetic tower according to claim 6, it is characterised in that the first partition (1) and described Be connected between two partitions (2) third demarcation plate (76), the third demarcation plate (76) and the first partition (1), second every The part of plate (2) and the corresponding shell is enclosed the chamber (52a) in secondth area；

Gap between the third demarcation plate (76) and the shell of corresponding another part forms the Five-channel (52b).

8. efficient air cold methanol synthetic tower according to claim 6, it is characterised in that be equipped with the in the 4th area (54) 4th area (54) is divided into mutually indepedent and is arranged in juxtaposition described by four demarcation plates (77), the 4th demarcation plate (77) The chamber (54a) in the 4th area and the 6th channel (54b).

9. efficient air cold methanol synthetic tower according to claim 8, it is characterised in that be additionally provided in the 4th area (54) 5th demarcation plate (78), the 5th demarcation plate (78) is enclosed mixing chamber (79) with the corresponding housing parts, described Mixing chamber (79) is connected to the outlet of the raw material gas transmission pipe road (71) and the 6th channel (54b).

10. efficient air cold methanol synthetic tower according to claim 6, it is characterised in that the lower section of the third partition is also set There is the string bag (91) for holding porcelain ball, the side wall of the shell is equipped with discharge duct (92), the both ends of the discharge duct (92) Mouth is respectively communicated with space between the string bag (91) and the third partition and out-of-bounds.