CN209412107U - A kind of high efficiency methanol synthesis air cooling tower - Google Patents

Abstract

The utility model relates to a kind of high efficiency methanols to synthesize air cooling tower, including closed shell, it is characterised in that be equipped at intervals with four pieces of partitions in shell for the inner cavity of shell and be divided into five areas；Mutually independent first passage and second channel are equipped in first area；Second divides into the chamber and Five-channel in the secondth area；The two-port of first passage is respectively communicated with the chamber and the first reaction gas conveyance conduit in the secondth area；The two-port of second channel is respectively communicated with outlet and the mixture output tube road of Five-channel；More tracheaes are equipped in third area；4th divides into the chamber and mixing chamber in the 4th area；The two-port of second through-hole is respectively communicated with the chamber in third area and the 4th area；Third channel and fourth lane are equipped in 5th area；The two-port of fourth lane is respectively communicated with for conveying the circulating air conveyance conduit of out-of-bounds circulating air and the entrance of mixing chamber；The out-of-bounds outlet mixing chamber in raw material gas transmission pipe road.

Description

A kind of high efficiency methanol synthesis air cooling tower

Technical field

The utility model relates to synthesize air cooling tower to chemical industry equipment more particularly to a kind of high efficiency methanol.

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 tower, in the case where the reaction gas cooling after the heating and reaction for realizing the material mixed gas before methanol-fueled CLC requires, is effectively reduced 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: high efficiency methanol synthesis air cooling tower, 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；

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 Five-channel；

The two-port of the first passage is respectively communicated with the chamber and the first reaction gas conveyance conduit in the secondth area；Described second The two-port in channel is respectively communicated with outlet and the mixture output tube road of Five-channel；

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；

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

Mutually independent third channel and fourth lane are equipped in 5th area；The two-port of the third channel is distinguished It is connected to the chamber and the second reaction gas conveyance conduit in the 4th area, the two-port of the fourth lane is respectively communicated with for conveying The out-of-bounds entrance of the circulating air conveyance conduit of circulating air and the mixing chamber；

Out-of-bounds mixing chamber described in the outlet in raw material gas transmission pipe road.

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 upper perforated plate；The upper perforated plate Periphery be tightly connected the side wall of the shell；

The beginning of first plate is tightly connected by the side wall of the first connecting plate and shell；The interior ora terminalis of first plate and the second plate It is tightly connected by the first central partition plate；The external end edge of first plate and the second plate is tightly connected corresponding shell side respectively Wall；

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 helical pipe designs, so that gaseous mixture and the Heat exchange between one reaction gas is more abundant, further improves energy-saving effect.

The mixture output tube road is located at the intracorporal part of the shell and is equipped at intervals with multiple first stomatas on side wall, with Balance the inside and outside differential pressure in mixture output tube road.

It is equipped with lower perforated plate in the lower section of the 4th partition in 5th area, the periphery of the lower perforated plate is tightly connected institute State the inner sidewall of 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 helical pipe designs, so that the second reaction gas and circulating air Between heat exchange it is more abundant, further improve energy-saving effect.

The circulating air conveyance conduit, which is located on the side wall of the intracorporal part of the shell, is equipped at intervals with multiple second stomatas, with The inside and outside differential pressure in balanced recycle letter shoot road.

The string bag for holding porcelain ball is additionally provided with below the third partition, the side wall of the shell is equipped with discharging Pipe, the two-port of the discharge duct are respectively communicated with space between the string bag and the third partition and out-of-bounds.

Compared with prior art, high efficiency methanol synthesis air cooling tower 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 Five-channel and mixing chamber are integrated in inside reactor, high degree Ground reduces the big problem of heat loss caused by long pipeline connection, and energy conservation and consumption reduction effects are significant；Simultaneously by first passage and the Two channels are 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 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, readily satisfy pipeline rigidity and flexibility two The rigors of aspect, when conduit running the expand with heat and contract with cold thrust of generation minimum, benefit is fallen below to the damage risk of equipment nozzle In device enlargement, it is also beneficial to the safe and stable operation of large-scale methanol synthesizer.Cancel the center in synthetic reaction area center Cylinder, replacing is heat exchanger tube and catalyst, effectively increases catalysis reaction compartment, can further reduce reactor diameter, benefit In 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 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 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 7, high efficiency methanol synthesis air cooling 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.Successively being equipped at intervals with first partition 1, second partition 2, third partition 3 and the 4th partition 4 in shell 5 from top to bottom will be described The inner cavity of shell 5 is divided into mutually independent firstth area 51, the second area 52, third area 53, the 4th area 54 and the 5th area 55；? The top of one partition 1 is additionally provided with upper perforated plate 66, is additionally provided with lower perforated plate 86 in the lower section of the 4th partition 4, the periphery of lower perforated plate 86 is close Envelope connects the inner sidewall of the shell.

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 81 and the second plate 82 synchronize wind, the lower ora terminalis of the first plate 81 and the second plate 82 is fixed In the first partition 1, the upper edge of the first plate 81 and the second plate 82 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 outer end of first plate 81 is tightly connected by the side wall of the first connecting plate 63 and shell；The outer end of second plate 82 passes through The side wall of second connecting plate 64 and shell is tightly connected；The interior ora terminalis of first plate 81 and the second plate 82 passes through the first central partition plate 65 It is tightly connected；The external end edge of first plate 81 and the second plate 82 is tightly connected corresponding housing sidewall respectively；

Cavity between first plate 81 and second plate 82 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 across upper cover 12 and gaseous mixture Output channel 26 connects.The part that the mixture output tube road 26 is located in the shell 1 is equipped at intervals with multiple on side wall First stomata 14, for balancing the pressure difference in upper cover.

First demarcation plate 56, be arranged in the second area 52, upper/lower terminal edge be separately connected first partition 1 and second every Plate 2, first demarcation plate 56 catch the chamber for being enclosed the secondth area with first partition 1, second partition 2 and corresponding shell 52a, for the buffer area of the first reaction gas entered in it.Gap shape between first demarcation plate 56 and the another partial shell At the Five-channel 52b of the chamber 52a independently of the secondth area.Five-channel 52b is described for conveying preheated gaseous mixture The entrance and exit of Five-channel 52b is separately connected gas outlet 23 and second channel 51b on second partition.

The two-port of the first passage 51a is respectively communicated with the chamber 52a and the first reaction gas conveyance conduit 25 in the secondth area； The two-port of the second channel 52b is respectively communicated with outlet and the mixture output tube road 26 of Five-channel 52b.

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 52b in second partition 2 The side of upper surface is equipped with the gas outlet 23 of the first cavity 21 of connection, is also equipped at intervals with multiple longitudinal directions on the second partition 2 and passes through Logical and independently of the first through hole 22 of first cavity 21, the two-port of first through hole 22 is respectively communicated with the chamber in secondth area Room 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； Outlet corresponding to mixing chamber 54b is equipped with the air inlet 33 of the second cavity 31 of connection on 3 lower surface of third partition；The third Also it is equipped at intervals with multiple longitudinally through third partitions 3 and the second through-hole 32 independently of the second cavity 31 on partition 3, each described The two-port of two through-holes 32 is respectively communicated with the chamber 54a in the third area 53 and the 4th area.

4th area 54 is cavity, interior that the 4th area 54 is divided into mutually independent use equipped with the second demarcation plate 57 Chamber 54a and mixing chamber 54b in the 4th area for buffering the second reaction gas.The outlet air inlet 33 of mixing chamber 54b；For Convey mixing chamber 54b described in the out-of-bounds outlet in the raw material gas transmission pipe road 27 of unstripped gas.The entrance of the mixing chamber 54b connects Logical fourth lane 55b.

5th area 55, it is interior to be equipped with mutually independent third channel 55a and fourth lane 55b；The two of the third channel 55a Port is respectively communicated with the chamber 54a and the second reaction gas conveyance conduit 29 in the 4th area, the two-port of the fourth lane 55b It is respectively communicated with the entrance of the circulating air conveyance conduit 28 and the mixing chamber 54b for conveying out-of-bounds circulating air.

Lower perforated plate 86 is equipped in the lower section of the 4th partition 4 in 5th area 55；The third channel 55a is by two pieces Spaced third plate 83 and the 4th plate 84 synchronize wind, the lower ora terminalis of third plate 83 and the 4th plate 84 is fixed on described On lower perforated plate 86, the upper edge of third plate 83 and the 4th plate 84 is fixed on the 4th partition 4；

The interior ora terminalis of the third plate 83 and the 4th plate 84 is tightly connected by the second central partition plate 75；Third plate 83 and The external end edge of four plates 84 is tightly connected corresponding housing sidewall respectively；

The fourth lane 55b of cavity formation screw arrangement between third plate 83 and the 4th plate 84, the described 5th Other spaces in area 55 form the third channel 55a of screw arrangement.For convenient for difference, by fourth lane in Fig. 4 55b is filled with shade.The outlet of third channel 55a is connected out-of-bounds by the second reaction gas conveyance conduit 29, third channel 55a's Entrance is connected to the chamber 54a in the 4th area.The entrance of fourth lane 55b passes through lower head 13 and circulating air conveyance conduit 28 connects It connects.The circulating air conveyance conduit 28, which is located on the side wall of the intracorporal part of the shell, is equipped at intervals with multiple second stomatas 15, uses Pressure difference in balance lower head.

Raw material gas transmission pipe road 27, for conveying fresh unstripped gas, outlet connection is done on shell 5 and is connected to described mixed Gas chamber 54b.

Circulating air conveyance conduit 28 is incorporated into fresh unstripped gas for conveying circulating air and forms gaseous mixture；Circulating air Conveyance conduit 28 is connected to the mixing chamber 54b via the fourth lane 55b in the 5th area；The third in 5th area is logical The two-port of road 55a is respectively communicated with the chamber 54a and the second reaction gas conveyance conduit 29 in the 4th area.

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 high efficiency methanol synthesis air cooling tower is described as follows:

It is mixed in mixing chamber into the fresh feed gas in raw material gas transmission pipe road with the circulating air from fourth lane Gaseous mixture is formed, is entered in the second cavity of third partition via mixing chamber outlet, then even into each tracheae, in tracheae It is interior reacted with third area internal catalyst bed floor caused by reaction heat heat exchange after, into the first cavity on second partition, warp Five-channel is entered by gas outlet, subsequently into the second channel in the firstth area, with the boundary sent in first area's first passage After outer first reaction gas heat exchange, sent out out-of-bounds via mixture output tube road.

The first reaction gas out-of-bounds sent enters first area's first passage via the first reaction gas conveyance conduit, after exchanging heat Road enters the chamber in the secondth area, and each first through hole enters in third area from second partition, fills and urges 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, and then enters the 5th In area's third channel, sent out after exchanging heat with the circulating air out-of-bounds sent in the 5th area's fourth lane from the second reaction gas conveyance conduit Out-of-bounds；And enters mixing chamber after circulating air heat exchange and form gaseous mixture.

Claims (6)

1. a kind of high efficiency methanol synthesis air cooling tower, 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)；

Described second is distinguished equipped with the first demarcation plate (56) chamber for being divided into mutually independent secondth area in secondth area (52) Room (52a) and Five-channel (52b)；

The two-port of the first passage (51a) is respectively communicated with the chamber (52a) and the first reaction gas conveyance conduit in the secondth area (25)；The two-port of the second channel (51b) is respectively communicated with outlet and the mixture output tube road of Five-channel (52b) (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 multiple second through-holes (32)；

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

Mutually independent third channel (55a) and fourth lane (55b) are equipped in 5th area (55)；The third channel The two-port of (55a) is respectively communicated with the chamber (54a) and the second reaction gas conveyance conduit (29) in the 4th area, the four-way The two-port in road (55b) is respectively communicated with circulating air conveyance conduit (28) and the mixing chamber for conveying out-of-bounds circulating air The entrance of (54b)；

Out-of-bounds mixing chamber (54b) described in the outlet of raw material gas transmission pipe road (27).

2. high efficiency methanol synthesis air cooling tower according to claim 1, it is characterised in that the first passage (51a) is by two pieces Spaced first plate (81) and the second plate (82) synchronize wind, the lower ora terminalis of the first plate (81) and the second plate (82) is solid It is scheduled on the first partition (1), the upper edge of the first plate (81) and the second plate (82) is fixed on upper perforated plate (66)；On described The periphery of tube sheet (66) is tightly connected the side wall of the shell；

The interior ora terminalis of first plate (81) and the second plate (82) is tightly connected by the first central partition plate (65)；First plate (81) and The external end edge of two plates (82) is tightly connected corresponding housing sidewall respectively；

Cavity between first plate (81) and second plate (82) forms the second channel of screw arrangement (51b), other spaces in firstth area (51) form the first passage (51a) of screw arrangement.

3. high efficiency methanol synthesis air cooling tower according to claim 2, it is characterised in that the mixture output tube road (26) Part in the shell (5) is equipped at intervals with multiple first stomatas (14) on side wall.

4. high efficiency methanol synthesis air cooling tower according to claim 2, it is characterised in that described in the 5th area (55) The lower section of 4th partition (4) is equipped with lower perforated plate (86), and the periphery of the lower perforated plate (86) is tightly connected the inner sidewall of the shell；

The third plate (83) that the third channel (55a) is arranged by two block gaps and the 4th plate (84) synchronize wind, third The lower ora terminalis of plate (83) and the 4th plate (84) is fixed on the lower perforated plate (86), the upper end of third plate (83) and the 4th plate (84) Edge is fixed on the 4th partition (4)；

The interior ora terminalis of the third plate (83) and the 4th plate (84) is tightly connected by the second central partition plate (75)；Third plate (83) It is tightly connected corresponding housing sidewall respectively with the external end edge of the 4th plate (84)；

Cavity between third plate (83) and the 4th plate (84) 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.

5. high efficiency methanol synthesis air cooling tower according to claim 4, it is characterised in that the circulating air conveyance conduit (28) Multiple second stomatas (15) are equipped at intervals on the side wall of the intracorporal part of the shell.

6. high efficiency methanol synthesis air cooling tower according to any one of claims 1 to 5, it is characterised in that the third The string bag (91) for holding porcelain ball is additionally provided with below partition (3), the side wall of the shell is equipped with discharge duct (92), described The two-port of discharge duct is respectively communicated with space between the string bag (91) and the third partition (3) and out-of-bounds.