CN209820110U - Waste heat recycling device of gas drying furnace for producing hydroxypropyl methyl cellulose - Google Patents
Waste heat recycling device of gas drying furnace for producing hydroxypropyl methyl cellulose Download PDFInfo
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- CN209820110U CN209820110U CN201920401299.XU CN201920401299U CN209820110U CN 209820110 U CN209820110 U CN 209820110U CN 201920401299 U CN201920401299 U CN 201920401299U CN 209820110 U CN209820110 U CN 209820110U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a waste heat recycling device of a gas drying furnace for producing hydroxypropyl methyl cellulose, which comprises a drying furnace main body, a spiral pipe, a disc-shaped pipe, a first water level sensor, a second heat exchange water tank, a fifth exhaust pipe, a purification bottle and a concentration detector, wherein a first exhaust pipe is connected in the middle above the drying furnace main body, and a dryer is arranged on the first exhaust pipe; a second exhaust pipe is connected to the lower part of the right side of the spiral pipe, and a coiled pipe is connected to the right side of the second exhaust pipe; a third exhaust pipe is connected above the right side of the coiled pipe, and a fourth exhaust pipe is connected above the left side of the third exhaust pipe; the right side of the fifth exhaust pipe is connected to the lower part in the purification bottle, and a drying chamber is arranged above the filter screen. The utility model discloses a spiral pipe that sets up can utilize the waste heat of waste gas, utilizes the waste gas waste heat to heat the outside of drying furnace main part and dries, realizes jointly with the drying furnace main part that inside and outside are dried together, has improved drying efficiency.
Description
Technical Field
The utility model relates to a hydroxypropyl methyl cellulose field specifically is hydroxypropyl methyl cellulose production is with gas drying furnace waste heat recovery utilizes device.
Background
Hydroxypropyl methylcellulose is a semi-synthetic polymer with inactive, viscoelastic properties that is commonly found in a variety of commercial products. When used as food additive, hydroxypropyl methylcellulose can be used as emulsifier, thickener, suspending agent and substitute of animal gelatin, and hydroxypropyl methylcellulose is used as thickener, dispersant, adhesive, excipient, oil-resistant coating, filler, emulsifier and stabilizer in textile industry, and can be widely applied in industries of synthetic resin, petrochemical industry, ceramics, papermaking, leather, medicine, food, cosmetics and the like.
Hydroxypropyl methyl cellulose needs to be squeezed, smashed, etherified, centrifuged, washed, dried and other steps in the production process, wherein hydroxypropyl methyl cellulose is dried by a gas drying furnace generally, a large amount of waste heat is contained in waste gas generated by gas combustion in the drying process, the waste of resources is caused by direct emission, a large amount of harmful gas contained in the waste gas is directly emitted to pollute the atmosphere easily, the existing recycling device for the waste heat of the gas drying furnace has a single general structure, the waste heat is often not fully utilized, a part of waste heat is lost after recycling, and the recycling effect is not ideal enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydroxypropyl methyl cellulose production is with gas drying furnace waste heat recovery utilizes device to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the waste heat recycling device of the gas drying furnace for producing the hydroxypropyl methyl cellulose comprises a drying furnace main body, a spiral pipe, a disc-shaped pipe, a first water level sensor, a second heat exchange water tank, a fifth exhaust pipe, a purification bottle and a concentration detector, wherein a first exhaust pipe is connected to the middle above the drying furnace main body, and a dryer is installed on the first exhaust pipe; a second exhaust pipe is connected to the lower portion of the right side of the spiral pipe, a first heat-insulating layer is arranged on the outer side of the second exhaust pipe, a coiled pipe is connected to the right side of the second exhaust pipe, the coiled pipe is arranged in a first heat-exchange water tank, a second heat-exchange water tank is arranged above the first heat-exchange water tank, the second heat-exchange water tank and the first heat-exchange water tank are connected through a support frame, second heat-insulating layers are arranged on the inner walls of the first heat-exchange water tank and the inner wall of the second heat-exchange water tank, a connecting pipe is arranged in the middle of the upper portion of the first heat-exchange water tank and connected to the middle of the lower portion of the second heat-exchange water tank, a first control valve is arranged on the connecting pipe, a plurality of drain outlets are uniformly distributed below the; a third exhaust pipe is connected above the right side of the coiled pipe, a fourth exhaust pipe is connected above the left side of the third exhaust pipe, the fourth exhaust pipe is arranged in the second heat exchange water tank, a plurality of radiating fins are uniformly distributed on the fourth exhaust pipe, a fifth exhaust pipe is connected above the left side of the fourth exhaust pipe, a thermometer is arranged on the left side of the fifth exhaust pipe, a third control valve is arranged on the right side of the thermometer, a fan is arranged on the right side of the third control valve, a sixth exhaust pipe is connected below the fifth exhaust pipe, and the left side of the sixth exhaust pipe is connected between the thermometer and the third control valve; the right side of the fifth exhaust pipe is connected to the lower portion inside the purification bottle, a seventh exhaust pipe is arranged between the upper portions of the purification bottles, a filter screen is arranged above the inner portion of the purification bottle, and a drying chamber is arranged above the filter screen.
As a further aspect of the present invention: the right side below of first exhaust pipe is connected with the spiral pipe, is provided with the heat preservation intermediate layer in the wall body of drying furnace main part, and the spiral pipe sets up in the heat preservation intermediate layer.
As a further aspect of the present invention: and a second water level sensor is arranged on the left side above the first heat exchange water tank, a water outlet pipe is arranged below the right side of the first heat exchange water tank, and a second control valve is arranged on the water outlet pipe.
As a further aspect of the present invention: the right side of the sixth exhaust pipe is connected between the third control valve and the fan, the left side of the sixth exhaust pipe is provided with a fourth control valve, and the fourth control valve is arranged between the second heat exchange water tank and the fifth exhaust pipe.
As a further aspect of the present invention: the filling opening is installed to the top on purification bottle right side, and the centre on purification bottle right side is provided with the concentration detector, and the below on purification bottle right side is provided with the liquid outlet, is provided with the fifth control valve on the liquid outlet.
Compared with the prior art, the utility model can utilize the waste heat of the waste gas through the spiral pipe, and the waste heat of the waste gas is utilized to heat and dry the outer side of the drying furnace main body, so that the waste heat and the waste heat of the waste gas are dried together inside and outside the drying furnace main body, thereby improving the drying efficiency; the waste heat of the waste gas can be subjected to heat exchange for many times through the arranged first heat exchange water tank and the second heat exchange water tank, so that the waste heat in the waste gas is more fully utilized, hot water heated by the first heat exchange water tank can be used for other processes or life, and water in the second heat exchange water tank can be preheated for the first heat exchange water tank; solid particle pollutants in the disc-shaped pipe can be conveniently cleaned through the arranged sewage draining outlet, so that the disc-shaped pipe is kept clean and smooth; the concentration detector can constantly detect the concentration of the purifying liquid in the purifying bottle, so that the purifying liquid can be conveniently and timely replaced; can detect the exhaust gas temperature after first heat transfer water tank and the heat transfer of second heat transfer water tank through the thermometer that sets up, can directly let in during the purification bottle when the heat utilization of waste gas is sufficient, accessible sixth blast pipe lets in waste gas second heat transfer water tank recycle once more when the heat of waste gas is not utilized fully, makes the heat in the waste gas can obtain more thorough make full use of.
Drawings
Fig. 1 is a schematic structural diagram of a waste heat recycling device of a gas drying furnace for producing hydroxypropyl methyl cellulose.
Fig. 2 is a schematic structural diagram of a drying furnace main body in a waste heat recycling device of a gas drying furnace for producing hydroxypropyl methyl cellulose.
Fig. 3 is a schematic sectional structure view of a second exhaust pipe in the waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose.
Fig. 4 is an enlarged structure schematic diagram of a waste heat recycling device A of a gas drying furnace for producing hydroxypropyl methyl cellulose.
In the figure: 1. a drying oven main body; 2. a first exhaust pipe; 3. a dryer; 4. a spiral tube; 5. a heat-insulating interlayer; 6. a second exhaust pipe; 7. a first insulating layer; 8. a first heat exchange water tank; 9. a coil pipe; 10. a sewage draining outlet; 11. a sealing cover; 12. a second insulating layer; 13. a first water level sensor; 14. a water outlet pipe; 15. a second control valve; 16. a third exhaust pipe; 17. a second heat exchange water tank; 18. a support frame; 19. a connecting pipe; 20. a first control valve; 21. a fourth exhaust pipe; 22. a fifth exhaust pipe; 23. a sixth exhaust pipe; 24. a third control valve; 25. a thermometer; 26. a fourth control valve; 27. a heat dissipating fin; 28. purifying the bottle; 29. a seventh exhaust pipe; 30. a filter screen; 31. a drying chamber; 32. a liquid filling port; 33. a liquid outlet; 34. a fifth control valve; 35. a concentration detector; 36. a fan; 37. a second water level sensor.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, the waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose comprises a drying furnace main body 1, a spiral pipe 4, a disk-shaped pipe 9, a first water level sensor 13, a second heat exchange water tank 17, a fifth exhaust pipe 22, a purifying bottle 28 and a concentration detector 35; the middle of 1 top of drying furnace main part is connected with first exhaust pipe 2, install desicator 3 on the first exhaust pipe 2, can carry out the drying to the moisture in the waste gas through setting up desicator 3, the right side below of first exhaust pipe 2 is connected with spiral pipe 4, be provided with heat preservation intermediate layer 5 in the wall body of drying furnace main part 1, spiral pipe 4 sets up in heat preservation intermediate layer 5, can utilize the waste heat of waste gas from the outside of drying furnace main part 1 through setting up spiral pipe 4, realize inside and outside drying together with drying furnace main part 1 jointly, and drying efficiency is improved.
A second exhaust pipe 6 is connected below the right side of the spiral pipe 4, a first heat-insulating layer 7 is arranged outside the second exhaust pipe 6, a coiled pipe 9 is connected to the right side of the second exhaust pipe 6, the coiled pipe 9 is arranged in a first heat-exchange water tank 8, a second heat-exchange water tank 17 is arranged above the first heat-exchange water tank 8, the second heat-exchange water tank 17 is connected with the first heat-exchange water tank 8 through a support frame 18, a second heat-insulating layer 12 is arranged on the inner walls of the first heat-exchange water tank 8 and the second heat-exchange water tank 17, a connecting pipe 19 is arranged in the middle above the first heat-exchange water tank 8, the connecting pipe 19 is connected to the middle below the second heat-exchange water tank 17, a first control valve 20 is arranged on the connecting pipe 19, a plurality of drain outlets 10 are uniformly distributed below the coiled pipe 9, a sealing cover 11 is arranged below the drain outlets 10, and solid particle pollutants in the coiled pipe 9, the right side of the inside of first heat exchange water tank 8 is provided with first water level inductor 13, the left side of first heat exchange water tank 8 top is provided with second water level inductor 37, can respond to the water level of first heat exchange water tank 8 through setting up first water level inductor 13 and second water level inductor 37, first control valve 20 opens when the water level is less than first water level inductor 13, second heat exchange water tank 17 is through connecting pipe 19 to first heat exchange water tank 8 internal water injection, when second water level inductor 37 senses water, first control valve 20 closes, the below on first heat exchange water tank 8 right side is provided with outlet pipe 14, be provided with second control valve 15 on outlet pipe 14.
A third exhaust pipe 16 is connected to the upper portion of the right side of the coiled pipe 9, a fourth exhaust pipe 21 is connected to the upper portion of the left side of the third exhaust pipe 16, the fourth exhaust pipe 21 is arranged in the second heat exchange water tank 17, a plurality of heat dissipation fins 27 are uniformly distributed on the fourth exhaust pipe 21, a fifth exhaust pipe 22 is connected to the upper portion of the left side of the fourth exhaust pipe 21, a thermometer 25 is arranged on the left side of the fifth exhaust pipe 22, a third control valve 24 is arranged on the right side of the thermometer 25, a fan 36 is arranged on the right side of the third control valve 24, a sixth exhaust pipe 23 is connected to the lower portion of the fifth exhaust pipe 22, the left side of the sixth exhaust pipe 23 is connected between the thermometer 25 and the third control valve 24, the right side of the sixth exhaust pipe 23 is connected between the third control valve 24 and the fan 36, a fourth control valve 26 is arranged on the left side of the sixth exhaust pipe 23.
The right side of fifth blast pipe 22 is connected to the below in the purifying bottle 28, purifying liquid has been stored in the purifying bottle 28, be provided with seventh blast pipe 29 between the purifying bottle 28 top, the inside top of purifying bottle 28 is provided with filter screen 30, the top of filter screen 30 is provided with drying chamber 31, liquid filler 32 is installed to the top on purifying bottle 28 right side, the centre on purifying bottle 28 right side is provided with concentration detection appearance 35, the below on purifying bottle 28 right side is provided with liquid outlet 33, be provided with fifth control valve 34 on liquid outlet 33, can detect the purifying liquid concentration in purifying bottle 28 through setting up concentration detection appearance 35, conveniently in time change purifying liquid, can further filter the waste gas after the purification through the filter screen 30 that sets up, and discharge after drying the waste gas after filtering through drying chamber 31.
In the using process of the utility model, firstly, the waste heat in the waste gas is heated and dried outside the drying furnace main body 1 through the spiral pipe 4, most heat in the waste gas is utilized, then the waste gas enters the disc-shaped pipe 9 through the second exhaust pipe 6, the water in the first heat exchange water tank 8 is heated, the waste heat in the waste gas is utilized again, then the waste gas in the disc-shaped pipe 9 enters the fourth exhaust pipe 21 to heat the water in the second heat exchange water tank 17, the waste heat of the waste gas is fully utilized, the temperature of the waste gas is observed through the thermometer 25 after heat exchange, when the temperature of the waste gas is lower than a certain set value, the third control valve 24 is opened, the fourth control valve 26 is closed, the waste gas enters the purifying bottle 28 through the action of the fan 36, when the temperature of the waste gas is higher than the certain set value, the third control valve 24 is closed, the fourth control valve 26 is opened, the waste gas enters the sixth exhaust pipe 23 to heat the water in the second heat exchange water tank 17 again, then enters the purification bottle 28, and is purified by the purification bottle 28 and then is discharged through the seventh exhaust pipe 29; after the water in the first heat exchange water tank 8 is heated, the water is discharged through the water outlet 14, when the water level in the first heat exchange water tank 8 is lower than the first water level sensor 13, the first control valve 20 is opened, the water in the second heat exchange water tank 17 enters the first heat exchange water tank 8, and when the water level in the first heat exchange water tank 8 rises to the second water level sensor 37, the first control valve 20 is closed.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. The waste heat recycling device of the gas drying furnace for producing the hydroxypropyl methyl cellulose comprises a drying furnace main body (1), a spiral pipe (4), a disc-shaped pipe (9), a first water level sensor (13), a second heat exchange water tank (17), a fifth exhaust pipe (22), a purification bottle (28) and a concentration detector (35), and is characterized in that a first exhaust pipe (2) is connected to the middle above the drying furnace main body (1), and a dryer (3) is installed on the first exhaust pipe (2); a second exhaust pipe (6) is connected below the right side of the spiral pipe (4), a first heat-insulating layer (7) is arranged on the outer side of the second exhaust pipe (6), a coiled pipe (9) is connected on the right side of the second exhaust pipe (6), the coiled pipe (9) is arranged in a first heat exchange water tank (8), a second heat exchange water tank (17) is arranged above the first heat exchange water tank (8), the second heat exchange water tank (17) is connected with the first heat exchange water tank (8) through a support frame (18), second heat-insulating layers (12) are respectively arranged on the inner walls of the first heat exchange water tank (8) and the second heat exchange water tank (17), a connecting pipe (19) is arranged in the middle above the first heat exchange water tank (8), the connecting pipe (19) is connected to the middle below the second heat exchange water tank (17), a first control valve (20) is arranged on the connecting pipe (19), a plurality of drain outlets (10) are uniformly distributed below the coiled pipe (9), a sealing cover (11) is arranged below the sewage draining outlet (10), and a first water level sensor (13) is arranged on the right side inside the first heat exchange water tank (8); a third exhaust pipe (16) is connected to the upper portion of the right side of the coiled pipe (9), a fourth exhaust pipe (21) is connected to the upper portion of the left side of the third exhaust pipe (16), the fourth exhaust pipe (21) is arranged in the second heat exchange water tank (17), a plurality of radiating fins (27) are uniformly distributed on the fourth exhaust pipe (21), a fifth exhaust pipe (22) is connected to the upper portion of the left side of the fourth exhaust pipe (21), a thermometer (25) is arranged on the left side of the fifth exhaust pipe (22), a third control valve (24) is arranged on the right side of the thermometer (25), a fan (36) is arranged on the right side of the third control valve (24), a sixth exhaust pipe (23) is connected to the lower portion of the fifth exhaust pipe (22), and the left side of the sixth exhaust pipe (23) is connected between the thermometer (25) and; the right side of the fifth exhaust pipe (22) is connected to the lower portion inside the purification bottle (28), a seventh exhaust pipe (29) is arranged between the upper portions of the purification bottles (28), a filter screen (30) is arranged above the interior of the purification bottle (28), and a drying chamber (31) is arranged above the filter screen (30).
2. The waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose according to claim 1, characterized in that a spiral pipe (4) is connected to the lower part of the right side of the first exhaust pipe (2), a heat preservation interlayer (5) is arranged in the wall body of the drying furnace main body (1), and the spiral pipe (4) is arranged in the heat preservation interlayer (5).
3. The waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose as claimed in claim 1, wherein a second water level sensor (37) is arranged on the left side above the first heat exchange water tank (8), a water outlet pipe (14) is arranged below the right side of the first heat exchange water tank (8), and a second control valve (15) is arranged on the water outlet pipe (14).
4. The waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose as claimed in claim 1, wherein the right side of the sixth exhaust pipe (23) is connected between a third control valve (24) and a fan (36), the left side of the sixth exhaust pipe (23) is provided with a fourth control valve (26), and the fourth control valve (26) is arranged between the second heat exchange water tank (17) and the fifth exhaust pipe (22).
5. The waste heat recycling device of the gas drying furnace for producing hydroxypropyl methyl cellulose as claimed in claim 1, wherein a liquid filling port (32) is installed above the right side of the purifying bottle (28), a concentration detector (35) is arranged in the middle of the right side of the purifying bottle (28), a liquid outlet (33) is arranged below the right side of the purifying bottle (28), and a fifth control valve (34) is arranged on the liquid outlet (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401299.XU CN209820110U (en) | 2019-03-27 | 2019-03-27 | Waste heat recycling device of gas drying furnace for producing hydroxypropyl methyl cellulose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401299.XU CN209820110U (en) | 2019-03-27 | 2019-03-27 | Waste heat recycling device of gas drying furnace for producing hydroxypropyl methyl cellulose |
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| Publication Number | Publication Date |
|---|---|
| CN209820110U true CN209820110U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401299.XU Expired - Fee Related CN209820110U (en) | 2019-03-27 | 2019-03-27 | Waste heat recycling device of gas drying furnace for producing hydroxypropyl methyl cellulose |
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| CN (1) | CN209820110U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693159A (en) * | 2020-12-29 | 2021-04-23 | 杭州绿恒建材有限公司 | Energy-concerving and environment-protective device of hot press is used in compound door and window production of aluminum-wood |
| CN113432382A (en) * | 2021-05-18 | 2021-09-24 | 武汉雅都钢构有限公司 | Hot air circulation drying oven for steel member processing and use method thereof |
-
2019
- 2019-03-27 CN CN201920401299.XU patent/CN209820110U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693159A (en) * | 2020-12-29 | 2021-04-23 | 杭州绿恒建材有限公司 | Energy-concerving and environment-protective device of hot press is used in compound door and window production of aluminum-wood |
| CN113432382A (en) * | 2021-05-18 | 2021-09-24 | 武汉雅都钢构有限公司 | Hot air circulation drying oven for steel member processing and use method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |