阅读说明：本技术 智能化的多功能甲醇蒸发装置 (Intelligent multifunctional methanol evaporation device ) 是由 张超 王广荣 李祥建 王晓 张开敏 于 2019-11-13 设计创作，主要内容包括：本发明提供智能化的多功能甲醇蒸发装置,包括蒸发塔,支撑脚,支撑盘,液体储存处理箱结构,吹气管架结构,热交换器,加热喷淋箱结构,除沫器,过热段,出气头,过滤环结构,第一回流管,循环泵,第二回流管,PLC和开关,所述的支撑脚焊接在蒸发塔下表面的四周；所述的支撑盘焊接在支撑脚的下端；所述的液体储存处理箱结构安装在蒸发塔内部的下侧；所述的吹气管架结构安装在蒸发塔内部的中下部；所述的热交换器螺栓安装在蒸发塔内部的中间部位。本发明的有益效果为：通过加热喷淋箱结构的设置,在对甲醇液进行喷淋前,能够进行加热,进而在加工时,配合该过热段增加了蒸发的效果和工作的速度。(The invention provides an intelligent multifunctional methanol evaporation device which comprises an evaporation tower, supporting legs, a supporting plate, a liquid storage treatment box structure, a blowing pipe frame structure, a heat exchanger, a heating spraying box structure, a demister, a superheating section, a gas outlet head, a filtering ring structure, a first return pipe, a circulating pump, a second return pipe, a PLC (programmable logic controller) and a switch, wherein the supporting legs are welded around the lower surface of the evaporation tower; the supporting plate is welded at the lower end of the supporting leg; the liquid storage and treatment box structure is arranged at the lower side inside the evaporation tower; the blowing pipe frame structure is arranged at the middle lower part inside the evaporation tower; the heat exchanger is installed in the middle of the evaporation tower through bolts. The invention has the beneficial effects that: through the setting of heating spraying case structure, before spraying methanol liquid, can heat, and then add man-hour, this overheated section of cooperation has increased the effect of evaporation and the speed of work.)

1. The intelligent multifunctional methanol evaporation device is characterized by comprising an evaporation tower (1), supporting legs (2), a supporting plate (3), a liquid storage treatment box structure (4), a blowing pipe frame structure (5), a heat exchanger (6), a heating spraying box structure (7), a demister (8), a superheating section (9), an air outlet head (10), a filter ring structure (11), a first backflow pipe (12), a circulating pump (13), a second backflow pipe (14), a PLC (15) and a switch (16), wherein the supporting legs (2) are welded around the lower surface of the evaporation tower (1); the supporting plate (3) is welded at the lower end of the supporting leg (2); the liquid storage and treatment box structure (4) is arranged at the lower side inside the evaporation tower (1); the blowing pipe frame structure (5) is arranged at the middle lower part inside the evaporation tower (1); the heat exchanger (6) is arranged in the middle part of the evaporation tower (1) through bolts; the heating spraying box structure (7) is arranged in the middle of the left surface of the evaporation tower (1); the demister (8) is arranged at the middle upper part inside the evaporation tower (1) through bolts; the overheating section (9) is arranged at the upper part inside the evaporation tower (1) through bolts; the gas outlet head (10) is welded at the upper end of the evaporation tower (1); the filtering ring structure (11) is arranged in the gas outlet head (10); one end of the first return pipe (12) is connected with a flange of the liquid storage treatment box structure (4), and the other end of the first return pipe is connected with a flange of the circulating pump (13); one end of the second return pipe (14) is connected with a flange of the circulating pump (13), and the other end of the second return pipe is connected with a flange of the heating spraying box structure (7); the PLC (15) is installed on the lower part of the front surface of the evaporation tower (1) through bolts; the switch (16) is embedded on the front surface of the PLC (15); the heating spray box structure (7) comprises a transverse spray pipe (71), a longitudinal spray pipe (72), a spray head (73), a liquid delivery head (74), a delivery pump (75), a material suction pipe (76), a heating box (77), a heating pipe (78) and an assembly head (79), wherein the transverse spray pipe (71) is welded in the middle of the inside of the evaporation tower (1) and is arranged at the upper end of the heat exchanger (6); the longitudinal spray pipes (72) are respectively welded between the transverse spray pipes (71) and the evaporation tower (1); the spray header (73) is respectively in threaded connection with the lower surfaces of the transverse spray pipe (71) and the longitudinal spray pipe (72); one end of the liquid conveying head (74) is connected with a flange of the conveying pump (75), and the other end of the liquid conveying head is welded with the left end of the transverse spraying pipe (71); the delivery pump (75) is mounted on the upper surface of the heating box (77) through bolts; one end of the material suction pipe (76) is connected with the front part of the delivery pump (75) in a flange mode, and the other end of the material suction pipe is inserted into the heating box (77); the heating box (77) is embedded in the middle of the left surface of the evaporation tower (1); the heating pipes (78) are respectively embedded at the left side and the right side of the lower part in the heating box (77); the assembly head (79) is welded at the left upper part of the heating box (77), and the left end of the assembly head is connected with the flange of the second return pipe (14); the blowing pipe frame structure (5) comprises a fan (51), a processing box (52), an assembling plate (53), a processing net (54), a transverse blowing pipe (55), a longitudinal blowing pipe (56) and a blowing head (57), wherein the fan (51) is mounted at the middle lower part of the right surface of the evaporation tower (1) through bolts, and the lower end of the fan is connected with an upper end flange of the processing box (52); the processing box (52) is welded at the lower part of the right surface of the evaporation tower (1); the transverse blowpipe (55) is welded at the middle lower part of the inner wall of the evaporation tower (1), and the right end of the transverse blowpipe is in threaded connection with the fan (51); the longitudinal blowpipe (56) is welded between the transverse blowpipe (55) and the evaporation tower (1); the blowing head (57) is respectively in threaded connection with the upper surfaces of the transverse blowing pipe (55) and the longitudinal blowing pipe (56); the liquid storage and treatment tank structure (4) comprises a storage tank (41), a first collection block (42), a second collection block (43), a conveying pipe (44), a sealing valve (45) and a feeding pipe (46), wherein the storage tank (41) is welded to the lower part of the inner wall of the evaporation tower (1); the first collecting block (42) and the second collecting block (43) are respectively welded at the left side and the right side of the lower part of the inner wall of the storage box (41); the conveying pipe (44) is welded at the lower end of the storage tank (41); the sealing valve (45) is in threaded connection with the lower left part of the conveying pipe (44); the feeding pipe (46) is welded at the lower left part of the evaporation tower (1).

2. The intelligent multifunctional methanol evaporation device as claimed in claim 1, wherein the filtering ring structure (11) comprises a dismounting ring (111), a ring cavity (112), a filtering net (113), a bag filter (114), a first supporting edge (115) and a second supporting edge (116), the dismounting ring (111) is screwed inside the gas outlet head (10); the ring cavity (112) is arranged inside the dismounting ring (111); the filter screen (113) and the bag filter (114) are respectively installed on the upper part and the lower part of the inner wall of the annular cavity (112) through bolts; the first supporting edge (115) and the second supporting edge (116) are respectively welded on the left side and the right side of the inner wall of the gas outlet head (10), and the upper parts of the first supporting edge and the second supporting edge are in contact with the dismounting ring (111).

3. An intelligent multifunctional methanol evaporator as set forth in claim 1, characterized in that said heating tank (77) is connected with the second return pipe (14) through an assembly head (79), and a heating pipe (78) is installed below the inside of said heating tank (77).

4. The intelligent multifunctional methanol evaporation device as claimed in claim 1, wherein a plurality of longitudinal spray pipes (72) are arranged at the front end and the rear end of the transverse spray pipe (71), and the lower surfaces of the longitudinal spray pipes are respectively provided with a spray head (73).

5. An intelligent multifunctional methanol evaporation device as claimed in claim 1, wherein a plurality of longitudinal blowing pipes (56) are arranged at the front and the rear of the transverse blowing pipe (55), and the upper parts of the longitudinal blowing pipes are respectively provided with a blowing head (57).

6. The intelligent multifunctional methanol evaporation device as claimed in claim 1, wherein three treatment screens (54) are provided, and each treatment screen is an activated carbon screen.

7. The intelligent multifunctional methanol evaporation device as claimed in claim 1, wherein a feed pipe (46) is inserted into the left side of the inside of the storage tank (41), and the feed pipe (46) is an L-shaped steel pipe.

8. The intelligent multifunctional methanol evaporation device of claim 1, wherein the first collection block (42) and the second collection block (43) are respectively provided with an inclined upper side and a delivery pipe (44) at the lower inner side.

9. The intelligent multifunctional methanol evaporation device of claim 2, wherein the filter screen (113) and the bag filter (114) are respectively arranged at the upper end of the evaporation tower (1).

10. The intelligent multifunctional methanol evaporation device of claim 2, wherein the lower part of the dismounting ring (111) is respectively contacted with the first supporting edge (115) and the second supporting edge (116).

Technical Field

The invention belongs to the technical field of methanol evaporation, and particularly relates to an intelligent multifunctional methanol evaporation device.

Background

At present, the production of formaldehyde by a silver method is mainly divided into two unit operations, namely an oxidation reaction unit, an absorption unit and an oxidation reaction unit are respectively completed by four devices, namely methanol evaporation, ternary gas heating, ternary gas filtering and oxidizer reaction, wherein the methanol evaporation is used as a relatively large energy consumption device of a formaldehyde device; at present, the first of two evaporation modes is a climbing film evaporator, steam is directly used as a heat source for methanol evaporation, the methanol evaporation temperature is controlled to be 60-80 ℃, the evaporation mode is mainly that steam energy consumption is high, the evaporation mode is not basically adopted in new domestic devices at present, the second evaporation mode is that air is bubbled and evaporated in a methanol solution, an external plate heat exchanger or a tubular heat exchanger with a large internal area is used for heat exchange and evaporation, the evaporation temperature is controlled to be 40-50 ℃, and a silver-process formaldehyde absorption unit can be effectively used for absorbing heat to be removed, so that the energy is saved.

The steam is saved and the circulating water of the absorption unit is saved.

However, the conventional methanol evaporation device has the problems that the evaporation speed of the device is slow, the effect is poor, the device does not have the functions of assisting air blowing and increasing the methanol rising amount, and the filtering is inconvenient when the air is discharged.

Therefore, the invention of an intelligent multifunctional methanol evaporation device is very necessary.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intelligent multifunctional methanol evaporation device, which aims to solve the problems that the existing methanol evaporation device is low in evaporation speed and poor in effect, does not have the functions of assisting air blowing and increasing the methanol rising amount, and is inconvenient to filter when air is discharged. The intelligent multifunctional methanol evaporation device comprises an evaporation tower, supporting legs, a supporting disk, a liquid storage treatment box structure, a blowing pipe frame structure, a heat exchanger, a heating spraying box structure, a demister, a superheating section, a gas outlet head, a filtering ring structure, a first reflux pipe, a circulating pump, a second reflux pipe, a PLC (programmable logic controller) and a switch, wherein the supporting legs are welded around the lower surface of the evaporation tower; the supporting plate is welded at the lower end of the supporting leg; the liquid storage and treatment box structure is arranged at the lower side inside the evaporation tower; the blowing pipe frame structure is arranged at the middle lower part inside the evaporation tower; the heat exchanger is arranged in the middle of the evaporation tower through bolts; the heating spraying box structure is arranged in the middle of the left surface of the evaporation tower; the demister bolt is arranged at the middle upper part inside the evaporation tower; the bolt of the overheating section is arranged at the upper part inside the evaporation tower; the gas outlet head is welded at the upper end of the evaporation tower; the filter ring structure is arranged in the gas outlet head; one end of the first return pipe is connected with a flange of the liquid storage and treatment box structure, and the other end of the first return pipe is connected with a flange of the circulating pump; one end of the second return pipe is connected with a circulating pump flange, and the other end of the second return pipe is connected with a heating spraying box structure flange; the PLC bolt is arranged at the lower part of the front surface of the evaporation tower; the switch is embedded on the front surface of the PLC; the heating spray box structure comprises a transverse spray pipe, a longitudinal spray pipe, a spray head, a liquid delivery head, a delivery pump, a material suction pipe, a heating box, a heating pipe and an assembly head, wherein the transverse spray pipe is welded in the middle of the inside of the evaporation tower and is arranged at the upper end of the heat exchanger; the longitudinal spray pipes are respectively welded between the transverse spray pipes and the evaporation tower; the spray headers are respectively in threaded connection with the lower surfaces of the transverse spray pipes and the longitudinal spray pipes; one end of the infusion head is connected with a flange of the delivery pump, and the other end of the infusion head is welded with the left end of the transverse spray pipe; the conveying pump is mounted on the upper surface of the heating box through bolts; one end of the material suction pipe is connected with the front part of the delivery pump through a flange, and the other end of the material suction pipe is inserted into the heating box; the heating box is embedded in the middle of the left surface of the evaporation tower; the heating pipes are respectively embedded at the left side and the right side of the lower part in the heating box; the assembly head is welded at the upper left part of the heating box, and the left end of the assembly head is connected with the second return pipe through a flange.

Preferably, the blowing pipe frame structure comprises a fan, a processing box, an assembling plate, a processing net, a transverse blowing pipe, a longitudinal blowing pipe and a blowing head, wherein a fan bolt is arranged at the middle lower part of the right surface of the evaporation tower, and the lower end of the fan bolt is connected with an upper end flange of the processing box; the processing box is welded at the lower part of the right surface of the evaporation tower; the transverse blowing pipe is welded at the middle lower part of the inner wall of the evaporation tower, and the right end of the transverse blowing pipe is in threaded connection with the fan; the longitudinal blowpipe is welded between the transverse blowpipe and the evaporation tower; the blowing head is respectively in threaded connection with the upper surfaces of the transverse blowing pipe and the longitudinal blowing pipe.

Preferably, the liquid storage treatment tank structure comprises a storage tank, a first collecting block, a second collecting block, a conveying pipe, a sealing valve and a feeding pipe, wherein the storage tank is welded at the lower part of the inner wall of the evaporation tower; the first collecting block and the second collecting block are respectively welded on the left side and the right side of the lower part of the inner wall of the storage box; the conveying pipe is welded at the lower end of the storage box; the sealing valve is in threaded connection with the left lower part of the conveying pipe; the feeding pipe is welded at the left lower part of the evaporation tower.

Preferably, the filter ring structure comprises a dismounting ring, a ring cavity, a filter screen, a bag filter, a first supporting edge and a second supporting edge, and the dismounting ring is in threaded connection with the inside of the gas outlet head; the ring cavity is arranged inside the dismounting ring; the filter screen and the bag filter are respectively installed on the upper part and the lower part of the inner wall of the annular cavity through bolts; the first supporting edge and the second supporting edge are respectively welded on the left side and the right side of the inner wall of the air outlet head, and the upper parts of the first supporting edge and the second supporting edge are in contact with the dismounting ring.

Preferably, the heating box is communicated with the second return pipe through an assembly head, and a heating pipe is arranged below the inside of the heating box.

Preferably, the longitudinal spraying pipes at the front end and the rear end of the transverse spraying pipe are provided with a plurality of spraying pipes, and the lower surfaces of the longitudinal spraying pipes are respectively provided with a spraying head.

Preferably, the upper end of the delivery pump is communicated with the transverse spraying pipe through a delivery head, and the material suction pipe at the lower end is inserted into the heating box.

Preferably, a plurality of longitudinal blowpipes are arranged at the front and rear parts of the transverse blowpipe, and the upper parts of the longitudinal blowpipes are respectively provided with a blowing head.

Preferably, the number of the treatment nets is three, and the treatment nets are respectively provided with an activated carbon filter screen.

Preferably, the stainless steel handle is welded on the right side of the assembling plate, the assembling plate is mounted on the right surface of the processing box through bolts, and the processing net is mounted in the middle of the left surface of the assembling plate through bolts.

Preferably, a feed pipe is inserted into the left side of the interior of the storage box, and the feed pipe is an L-shaped steel pipe.

Preferably, the first collecting block and the second collecting block are respectively provided with an inclined upper side and a conveying pipe at the lower part of the inner side.

Preferably, the conveying pipe is an L-shaped steel pipe, and the lower left part of the conveying pipe is in threaded connection with a sealing valve.

Preferably, the filter screen and the bag filter are respectively arranged at the upper end of the evaporation tower.

Preferably, the lower part of the dismounting ring is respectively contacted with the first supporting edge and the second supporting edge.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, the heating box is communicated with the second return pipe through the assembling head, the heating pipe is arranged below the inside of the heating box, the heating box can heat methanol liquid before spraying, and further, the overheating section is matched to increase the evaporation effect and the working speed during processing.

2. In the invention, a plurality of longitudinal spray pipes are arranged at the front end and the rear end of the transverse spray pipe, and the lower surfaces of the longitudinal spray pipes are respectively provided with the spray heads, so that the area for spraying is increased, and the transverse spray pipes are convenient to use.

3. In the invention, the upper end of the conveying pump is communicated with the transverse spraying pipe through the conveying head, and the material sucking pipe at the lower end is inserted into the heating box, so that the function of sucking methanol liquid is facilitated, and the conveying pump can be reasonably conveyed and used.

4. In the invention, a plurality of longitudinal blowpipes are arranged at the front part and the rear part of the transverse blowpipe, and the upper parts of the longitudinal blowpipes are respectively provided with the blowing heads, so that the blowing can be carried out, the rising speed of the spraying liquid can be increased, and simultaneously, a large amount of spraying liquid is driven to rise, thereby increasing the effect during the work.

5. In the invention, three treatment screens are arranged and respectively adopt the activated carbon filter screens, so that the air can be filtered when air is fed, and the cleanness of the air is further improved.

6. According to the invention, the stainless steel handle is welded on the right side of the assembling plate, the assembling plate is mounted on the right surface of the processing box through bolts, and the processing net is mounted in the middle of the left surface of the assembling plate through bolts, so that the processing net is convenient to disassemble and assemble and replace when in use.

7. In the invention, the left side inside the storage box is inserted with the feeding pipe, the feeding pipe adopts an L-shaped steel pipe, methanol liquid and air are respectively injected into the storage box through the feeding pipe, and when the device is used, the air can be preliminarily mixed with methanol gas and ascended, so that the methanol evaporation effect is improved.

8. In the invention, the upper sides of the first collecting block and the second collecting block are respectively arranged in an inclined shape, and the lower parts of the inner sides of the first collecting block and the second collecting block are provided with the conveying pipes, so that the problem that a large amount of methanol liquid is easy to remain at corners of the bottom of the storage tank when the methanol liquid is conveyed is solved.

9. In the invention, the conveying pipe is an L-shaped steel pipe, and the left lower part of the conveying pipe is in threaded connection with the sealing valve, so that the conveying pipe is convenient to seal and store methanol liquid.

10. In the invention, the filter screen and the bag filter are respectively arranged at the upper end of the evaporation tower, so that the gas can be preliminarily filtered when the gas is discharged, and the functionality is increased.

11. In the invention, the lower part of the dismounting ring is respectively contacted with the first supporting edge and the second supporting edge, and when the dismounting ring is installed, the dismounting ring can be supported by the first supporting edge and the second supporting edge, thereby being convenient to install and use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of a heated shower box structure of the present invention.

FIG. 3 is a schematic structural view of the configuration of the gas lance holder of the present invention.

FIG. 4 is a schematic structural view showing the structure of a liquid storage and treatment tank of the present invention.

Figure 5 is a schematic of the filter ring structure of the present invention.

Fig. 6 is an electrical logic schematic of the present invention.

In the figure:

1. an evaporation tower; 2. supporting legs; 3. a support disc; 4. a liquid storage and processing tank structure; 41. a storage tank; 42. a first collection block; 43. a second collection block; 44. a delivery pipe; 45. a sealing valve; 46. a feed pipe; 5. a blowing pipe frame structure; 51. a fan; 52. a process cartridge; 53. assembling a plate; 54. a processing net; 55. a transverse blowpipe; 56. a longitudinal blowpipe; 57. a blowing head; 6. a heat exchanger; 7. a heated spray box structure; 71. a transverse spray pipe; 72. a longitudinal spray pipe; 73. a shower head; 74. an infusion head; 75. a delivery pump; 76. a material suction pipe; 77. a heating box; 78. heating a tube; 79. assembling the head; 8. a demister; 9. a superheating section; 10. an air outlet head; 11. a filter ring structure; 111. disassembling and assembling the ring; 112. an annular cavity; 113. a filter screen; 114. a bag filter; 115. a first support edge; 116. a second support edge; 12. a first return pipe; 13. a circulation pump; 14. a second return pipe; 15. a PLC; 16. and (4) switching.

Detailed Description

The invention is further described below with reference to the accompanying drawings: