CN218672198U - Tail gas heat transfer device in preparation formaldehyde - Google Patents
Tail gas heat transfer device in preparation formaldehyde Download PDFInfo
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- CN218672198U CN218672198U CN202222325994.7U CN202222325994U CN218672198U CN 218672198 U CN218672198 U CN 218672198U CN 202222325994 U CN202222325994 U CN 202222325994U CN 218672198 U CN218672198 U CN 218672198U
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Abstract
The utility model relates to the technical field of auxiliary devices of heat exchange devices, in particular to a tail gas heat exchange device in the preparation of formaldehyde, which can directly apply heat through a heat exchange device so as to reduce the waste of heat and further enhance the practicability of the tail gas heat exchange device in the preparation of formaldehyde; including the tail gas treatment tower, the inside of tail gas treatment tower is provided with the working chamber, the bottom of working chamber is provided with the burning section, the bottom of burning section is provided with the combustor, the bottom left end of tail gas treatment tower is provided with air duct, tail gas treatment tower bottom right-hand member is provided with tail gas pipeline, air duct's right-hand member and the left end intercommunication of combustor, tail gas pipeline's left end and the right-hand member intercommunication of combustor, the middle part of working chamber is provided with heat transfer device, the middle part of tail gas treatment tower is provided with the chimney, heat transfer device includes water receiving box and vapor bin, the inside of working chamber is provided with the boiler, the top inner of boiler is connected with the outer end of water receiving box.
Description
Technical Field
The utility model relates to a heat transfer device auxiliary device's technical field especially relates to a tail gas heat transfer device in preparation formaldehyde.
Background
It is known that formaldehyde is an important raw material for industrial production and also a basic industry for chemical industry, and a large amount of tail gas is generated in the formaldehyde production, wherein each ton of formaldehyde products are produced, 37 percent of the tail gas is generated, more than 600 cubes, and the calorific value is 1970kj/mol, and the tail gas contains hydrogen, carbon monoxide, methane, carbon dioxide, nitrogen and a small amount of water. At present, people generally know that formaldehyde gas is harmful, and a formaldehyde production plant can cause serious pollution to the environment if the formaldehyde gas is naturally discharged or is discharged by combustion, and particularly threatens the human health. However, the formaldehyde tail gas contains hydrogen, carbon monoxide and the like, which are combustible gases with certain calorific value, and the formaldehyde tail gas is clean energy if being utilized;
the existing formaldehyde tail gas is treated by a tail gas treatment tower, the formaldehyde tail gas is mixed with air in the tail gas treatment tower, and heat is secondarily utilized by a heat exchange device;
the existing tail gas treatment tower is discovered in use, certain energy waste can be caused in the process of transmission when heat is secondarily utilized through a heat exchange device, huge energy waste can be caused in long-time formaldehyde tail gas treatment, and therefore the practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can carry out thermal direct application with this reduction thermal waste through heat transfer device to tail gas heat transfer device in the preparation formaldehyde of reinforcing practicality.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, including the tail gas treatment tower, the inside of tail gas treatment tower is provided with the working chamber, the bottom of working chamber is provided with the burning section, the bottom of burning section is provided with the combustor, the bottom left end of tail gas treatment tower is provided with air conduit, tail gas treatment tower bottom right-hand member is provided with tail gas pipeline, air conduit's right-hand member and the left end intercommunication of combustor, tail gas pipeline's left end and the right-hand member intercommunication of combustor, the middle part of working chamber is provided with heat transfer device, the middle part of tail gas treatment tower is provided with the chimney, heat transfer device includes water receiving box and vapor bin, the inside of working chamber is provided with the boiler, the top inner of boiler is connected with the outer end of water receiving box, the left side top of tail gas treatment tower is provided with water injection pipeline, water injection pipeline and boiler intercommunication, the left side and the water receiving pipeline intercommunication of water receiving box, water receiving pipeline's bottom and vapor bin intercommunication, the left side of vapor bin is provided with the outlet.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, water injection pipeline's right side top is provided with first solenoid valve.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, the left end of vapor bin is provided with tap.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, the middle part right-hand member of tail gas treatment tower is provided with hot-water line, hot-water line and boiler intercommunication.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, hot-water line's outer end is provided with cold-proof cover.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde still includes the water level inductor, and the left end of water level inductor is connected with the right-hand member of boiler, and the water level inductor passes through the transmission line with first solenoid valve and is connected.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, air piping's left end is provided with the fan.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, air conduit and tail gas pipeline all are provided with the second solenoid valve.
Compared with the prior art, the beneficial effects of the utility model are that: can fuse in the combustor through formaldehyde tail gas and air, and carry out abundant burning in the combustion chamber, then the energy of burning heats the water in the boiler at the tail gas treatment tower, thereby with the energy make full use of burning, with this reduce thermal waste, the water of heating produces a large amount of vapor, later the vapor cools off the water receiving box that drops on the cavity top of boiler, then distilled water flows into the distilled water storage box from the pipeline, then flow from the drain pipe, consequently, reduce the thermal lapse of tail gas burning, thereby the reinforcing practicality.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention;
FIG. 2 is a schematic view of the connection structure between the first solenoid valve and the water filling port of the present invention;
FIG. 3 is a schematic view of a partially enlarged structure A of the present invention;
fig. 4 is a schematic view of a partial enlarged structure B of the present invention;
in the drawings, the reference numbers: 1. a tail gas treatment tower; 2. a combustion section; 3. a working chamber; 4. a burner; 5. an air duct; 6. an exhaust gas pipeline; 7. a chimney; 8. a boiler; 9. a water injection pipeline; 10. a water receiving box; 11. a water receiving pipeline; 12. a water vapor storage tank; 13. a water outlet; 14. a first solenoid valve; 15. a water level sensor; 16. a faucet; 17. a hot water pipe; 18. a warm keeping sleeve; 19. a fan; 20. a second solenoid valve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the utility model discloses a tail gas heat exchange device in formaldehyde preparation, including tail gas treatment tower 1, tail gas treatment tower 1's inside is provided with working chamber 3, working chamber 3's bottom is provided with burning section 2, burning section 2's bottom is provided with combustor 4, tail gas treatment tower 1's bottom left end is provided with air conduit 5, tail gas treatment tower 1 bottom right-hand member is provided with tail gas pipeline 6, air conduit 5's right-hand member communicates with combustor 4's left end, tail gas pipeline 6's left end communicates with combustor 4's right-hand member, working chamber 3's middle part is provided with heat transfer device, tail gas treatment tower 1's middle part is provided with chimney 7, heat transfer device includes water receiving box 10 and vapor storage box 12, working chamber 3's inside is provided with boiler 8, boiler 8's top inner is connected with the outer end of water receiving box 10, tail gas treatment tower 1's left side top is provided with water injection pipeline 9, water injection pipeline 9 communicates with boiler 8, water receiving box 10's left side communicates with water receiving pipe 11, water receiving pipe 11's bottom communicates with vapor storage box 12, water outlet 13 is provided with left side water outlet 12; can fuse in the combustor through formaldehyde tail gas and air, and carry out abundant burning in combustion chamber, then the energy of burning heats the water in the boiler at the tail gas treatment tower, thereby the energy make full use of that will burn, with this reduce thermal waste, the water of heating produces a large amount of vapor, later the vapor cools off the water receiving box that falls on the cavity top of boiler, then distilled water flows into in the distilled water holding vessel from the pipeline, then flow from the drain pipe, consequently, reduce the thermal lapse of tail gas burning, thereby the reinforcing practicality.
The utility model relates to a tail gas heat exchange device in formaldehyde preparation, the right top end of a water injection pipeline 9 is provided with a first electromagnetic valve 14; cold water may be added to the boiler through the first solenoid valve, thereby enhancing the utility.
The utility model relates to a tail gas heat exchange device in formaldehyde preparation, a water tap 16 is arranged at the left end of a steam storage tank 12; the water in the distilled water storage tank can be checked in time through the water tap on the distilled storage tank, so that the practicability is enhanced.
The utility model relates to a tail gas heat exchange device in formaldehyde preparation, the right end of the middle part of a tail gas treatment tower 1 is provided with a hot water pipeline 17, and the hot water pipeline 17 is communicated with a boiler 8; hot water in the boiler can be used through the hot water pipe, thereby enhancing the practicality.
The utility model relates to a tail gas heat exchange device in the preparation of formaldehyde, the outer end of a hot water pipeline 17 is provided with a warm-keeping sleeve 18; the heat-insulating sleeve on the hot water pipeline can reduce the heat passing of hot water in the hot water pipeline, thereby enhancing the practicability.
The utility model discloses a tail gas heat transfer device in preparation of formaldehyde, still include water level inductor 15, the left end of water level inductor 15 is connected with the right-hand member of boiler 8, water level inductor 15 and first solenoid valve 14 pass through the transmission line and connect; the timing supply of the tap water can be performed through the water level sensor connected with the first solenoid valve through the transmission line, thereby enhancing the practicability.
The utility model relates to a tail gas heat exchange device in the preparation of formaldehyde, the left end of an air pipeline 5 is provided with a fan 19; can accelerate the air supply to the combustor through the fan to this makes formaldehyde tail gas carry out abundant burning, thereby strengthens the practicality.
In the tail gas heat exchange device for preparing formaldehyde, the air pipeline 5 and the tail gas pipeline 6 are both provided with the second electromagnetic valve 20; the mixing of formaldehyde tail gas and air can be controlled through two groups of second electromagnetic valves on the air pipeline and the tail gas pipeline, so that the practicability is enhanced.
The utility model discloses a tail gas heat transfer device in preparation formaldehyde, it is at the during operation, at first provide sufficient air supply for air conduit through the fan, then the mixture of two sets of second solenoid valve control formaldehyde tail gas and air on air conduit and the tail gas pipeline, later carry out abundant burning in the combustion chamber, then the energy of burning heats the water in the boiler at the tail gas treatment tower, thereby the energy make full use of burning, with this waste that reduces the heat, the aquatic products of heating produce a large amount of vapor, later vapor drops the water receiving box at the cavity top cooling of boiler, then distilled water flows into in the distilled water storage box from the pipeline, then flow from the drain pipe, and carry out the water in the distilled water storage box through the tap on the distillation storage box and carry out timely inspection, later after the water level in the boiler reduces to certain degree, the water level inductor passes through transmission line transmission to information first solenoid valve, then the solenoid valve injects the running water into the boiler, later people also can carry out hydrothermal use through hot water pipeline.
The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A tail gas heat exchange device in formaldehyde preparation comprises a tail gas treatment tower (1), wherein a working cavity (3) is arranged inside the tail gas treatment tower (1), a combustion section (2) is arranged at the bottom end of the working cavity (3), a combustor (4) is arranged at the bottom end of the combustion section (2), an air pipeline (5) is arranged at the left end of the bottom of the tail gas treatment tower (1), a tail gas pipeline (6) is arranged at the right end of the bottom of the tail gas treatment tower (1), the right end of the air pipeline (5) is communicated with the left end of the combustor (4), the left end of the tail gas pipeline (6) is communicated with the right end of the combustor (4), a heat exchange device is arranged in the middle of the working cavity (3), and a chimney (7) is arranged in the middle of the tail gas treatment tower (1); the heat exchange device is characterized by comprising a water receiving box (10) and a steam storage box (12), a boiler (8) is arranged inside a working cavity (3), the inner end of the top of the boiler (8) is connected with the outer end of the water receiving box (10), a water injection pipeline (9) is arranged at the top of the left side of an exhaust gas treatment tower (1), the water injection pipeline (9) is communicated with the boiler (8), the left side of the water receiving box (10) is communicated with the water receiving pipeline (11), the bottom end of the water receiving pipeline (11) is communicated with the steam storage box (12), and a water outlet (13) is arranged on the left side of the steam storage box (12).
2. The heat exchange device for tail gas in the preparation of formaldehyde according to claim 1, wherein the top end of the right side of the water injection pipeline (9) is provided with a first electromagnetic valve (14).
3. The heat exchange device for tail gas in the preparation of formaldehyde as claimed in claim 2, wherein the left end of the water vapor storage tank (12) is provided with a water tap (16).
4. The heat exchange device for tail gas in the preparation of formaldehyde according to claim 3, wherein the hot water pipeline (17) is arranged at the right end of the middle part of the tail gas treatment tower (1), and the hot water pipeline (17) is communicated with the boiler (8).
5. The heat exchange device for tail gas in the preparation of formaldehyde according to claim 4, wherein the outer end of the hot water pipeline (17) is provided with a warm-keeping sleeve (18).
6. The heat exchange device for tail gas in the preparation of formaldehyde according to claim 5, further comprising a water level sensor (15), wherein the left end of the water level sensor (15) is connected with the right end of the boiler (8), and the water level sensor (15) is connected with the first electromagnetic valve (14) through a transmission line.
7. The heat exchange device for tail gas in the preparation of formaldehyde according to claim 6, wherein the left end of the air pipeline (5) is provided with a fan (19).
8. A heat exchange device for tail gas in the preparation of formaldehyde according to claim 7, wherein the air pipeline (5) and the tail gas pipeline (6) are provided with second electromagnetic valves (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222325994.7U CN218672198U (en) | 2022-09-01 | 2022-09-01 | Tail gas heat transfer device in preparation formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222325994.7U CN218672198U (en) | 2022-09-01 | 2022-09-01 | Tail gas heat transfer device in preparation formaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672198U true CN218672198U (en) | 2023-03-21 |
Family
ID=85557711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222325994.7U Active CN218672198U (en) | 2022-09-01 | 2022-09-01 | Tail gas heat transfer device in preparation formaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672198U (en) |
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2022
- 2022-09-01 CN CN202222325994.7U patent/CN218672198U/en active Active
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