White spirit gelatinization waste heat recovery white spirit elimination system

Abstract

The utility model discloses a white spirit gelatinization waste heat recovery white spirit elimination system, which comprises a condensing device, a waste heat recovery device and a white spirit gelatinization waste heat recovery device, the exhaust pipe is connected with the condensing device and is used for discharging dead steam which cannot be condensed; the spraying device comprises a water storage tank, a spraying pump set, a spraying pipe and a spraying head, and the spraying head is arranged at an outlet of the first medium channel and used for cooling and white elimination of the dead steam subjected to primary condensation through the first medium channel; the first medium channel is connected with the water storage tank and provides circulating cooling water for the spraying device. The condensing device is used for condensing and cooling high-temperature dead steam with acid and realizing primary white elimination, and meanwhile, the waste heat recovery pipe is used for recovering heated cooling water; the spraying device conducts secondary cooling on the acid-containing high-temperature dead steam, secondary white elimination is achieved, acid-containing substances and solid impurities of the acid-containing high-temperature dead steam are eliminated through two-time white elimination, water vapor can be reduced, the exhausted gas does not have the rime fog effect, and more energy conservation and environment protection are achieved.

Description

Technical field:

[0001] The utility model relates to the technical field of wine making, in particular to a liquor gelatinization waste heat recovery and de-whitening system. Background technology:

[0002] Baijiu is a distilled liquor unique to China and one of the six major distilled liquors in the world. Baijiu is made from starch or sugar raw materials into mash or fermented mash and then distilled. The brewing of baijiu has a long history in all parts of the world and among all ethnic groups, and has formed a unique culture.

[0003] Gelatinization is the third step in making liquor, which is the prelude to mixing the steamed grains with koji for fermentation. During the gelatinization process, the sugar in the grains is broken down by koji into alcohol and other organic substances, which is the key link in the formation of the flavor of liquor. Gelatinization requires precise temperature and humidity control to ensure the growth and activity of koji. Different gelatinization processes will result in different flavors of liquor, so gelatinization is considered one of the arts in liquor making.

[0004] The energy utilization rate of liquor brewing enterprises is generally very low. After the distilled cooling water is recycled, the heat is discharged into the atmosphere, causing losses. During the open-mouthed pot-steamer gelatinization process, a large amount of water vapor heat is discharged into the atmosphere, causing heat loss and environmental pollution. The existing steam-saving gelatinization method of covered pot-steamer gelatinization reduces the amount of steam used and creates conditions for the recovery and utilization of steam heat energy. However, it does not completely solve the problem of low energy utilization rate and environmental pollution caused by steam.

[0005] In this regard, the Chinese utility model with patent number CN202123050662.4 discloses a heat recovery system for liquor brewing, including a steamer cover, a steam guide pipe and a wine vapor inlet pipe, wherein a top cover opening with a cylindrical structure is arranged above the middle of the steamer cover, a steam guide pipe is arranged above the top cover opening, and a first cover tube with a hollow arrangement is arranged below one end of the steam guide pipe close to the top cover opening. The beneficial effect is that the heat recovery system greatly improves the temperature of the desalted water flowing out of the return pipe, and can recycle the steam generated during the gelatinization of steamed grains, thereby avoiding the waste of hot steam. The heat recovery system uses a heat exchanger (i.e., a cooler) to convert the heat of steam into the temperature increase of cooling water by condensing and releasing heat, so as to achieve the purpose of reusing heat energy. After the hot steam heats the water in the return pipe, the heated hot water can be used for air conditioning heating, boiler feed water, and heat pump refrigeration. At the same time, it can also heat hot air for wine lees drying, thereby improving energy consumption utilization.

[0006] However, after the above-mentioned heat energy recovery and utilization system recovers the heat of the steam generated during the gelatinization of steamed grains, the exhaust steam formed is directly discharged into the atmosphere. However, the exhaust steam is not reused to recover heat energy, and because it also contains acidic liquid and a large amount of water vapor, when it is discharged into the atmosphere, a large amount of acidic white mist will be formed, which will affect the atmospheric environment and cannot achieve good environmental protection and energy-saving effects.

[0007] In view of this, the inventor proposes the following technical solution. Utility model content:

[0008] The utility model aims to overcome the deficiencies of the prior art and provide a liquor gelatinization waste heat recovery and de-whitening system.

[0009] In order to solve the above technical problems, the utility model adopts the following technical scheme: the waste heat recovery and dewhitening system of liquor gelatinization includes: a condensing device, which has a first medium channel for recovered high-temperature exhaust steam to pass through, a second medium channel isolated from the first medium channel and for cooling medium to pass through, and a waste heat recovery pipe for recovering the cooling medium after heat exchange; an exhaust pipe, which is connected to the condensing device and is used to discharge the exhaust steam that cannot be condensed; a spraying device, which includes a water tank, a spray pump group connected to the water tank, a spray pipe connected to the spray pump group, and a spray head connected to the spray pipe, the spray head is placed at the outlet of the first medium channel, and cools and dewhitens the exhaust steam after one condensation through the first medium channel; the first medium channel is connected to the water tank, and provides circulating cooling water for the spraying device.

[0010] Furthermore, the above technical solution also includes a cooling device connected between the first medium channel and the water tank, the water inlet of the cooling device is connected to the first medium channel of the condensing device to collect the cooling medium flowing out of the first medium channel and the spray water sprayed from the spray head, the water outlet of the cooling device is connected to the water tank, and provides circulating cooling water for the spray device.

[0011] Furthermore, in the above technical solution, the cooling device includes a cooling tube formed by several bends and a plurality of heat dissipation fins fixed to the periphery of the cooling tube and distributed at intervals, and a heat dissipation gap is formed between two adjacent heat dissipation fins; the cooling tube is distributed in an inclined state, wherein the water inlet side of the cooling tube is higher than the water outlet side of the cooling tube.

[0012] Furthermore, in the above technical solution, the condensing device includes an outer shell and a heat exchange core arranged in the outer shell, the heat exchange core has the second medium channel inside, and the outer shell is provided with a second medium inlet and a waste heat recovery pipe connected to the second medium channel; the first medium channel is formed between the outer shell and the heat exchange core, and the outer shell is provided with a waste steam inlet connected to the first medium channel.

[0013] Furthermore, in the above technical solution, the number of the heat exchange cores is two, which are distributed in parallel in the outer shell and form two first medium channels to condense the high-temperature exhaust steam on both sides; the spray head is arranged between the first first medium channel outlet and the second first medium channel inlet.

[0014] Furthermore, in the above technical solution, the longitudinal section of the shell is rectangular, and the outer part of the shell has criss-crossing reinforcing ribs.

[0015] Furthermore, in the above technical solution, a wading plate is provided on the upper part of the water tank, and the wading plate includes an inclined plate and a bent plate bent on one side of the inclined plate and lower than the inclined plate, a water receiving trough is formed between the bent plate and the upper end of the water tank, and the upper end of the bent plate is lower than the upper end of the water tank, so that the upper end of the inclined plate is connected to the side opening of the water receiving trough; a water flow gap is formed between the end of the inclined plate and the inner wall of the water tank.

[0016] Furthermore, in the above technical solution, a conical metal baffle cover is provided at the upper end of the exhaust pipe, the outer edge of which protrudes from the outside of the exhaust pipe, and a transverse exhaust port is formed between the conical metal baffle cover and the upper end of the exhaust pipe; a water collecting pan is also provided on the outside of the upper end of the exhaust pipe, and the water collecting pan is placed under the conical metal baffle cover, and the size of the water collecting pan is larger than the size of the conical metal baffle cover.

[0017] Furthermore, in the above technical solution, a water receiving pipe is also connected to the lower end of the water receiving tray, and the water receiving pipe is connected to the water storage tank.

[0018] Furthermore, in the above technical solution, the condensing device, spraying device, exhaust pipe, and cooling device are all fixed on the frame, the exhaust pipe is L-shaped, and the exhaust pipe is placed on the side of the condensing device, and the cooling device is located below the condensing device; a plurality of spaced filters are also arranged in the exhaust pipe.

[0019] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: when the utility model is working, the acid-containing high-temperature exhaust steam formed in the gelatinization process of liquor brewing enters the first medium channel of the condensing device, and at the same time, the cooling medium (such as cooling water) in the second medium channel exchanges heat with the acid-containing high-temperature exhaust steam in the first medium channel, thereby achieving the purpose of condensing the acid-containing high-temperature exhaust steam, and at the same time, it can heat the cooling medium (such as cooling water) to form high-temperature hot water, and recover it through the waste heat recovery pipe for boiler feed water, etc., to achieve the purpose of waste heat recovery; in this process, most of the water vapor in the acid-containing high-temperature exhaust steam is cooled, and The condensed cooling water flows to the water storage tank of the spray device, achieving the purpose of primary de-whitening. At the same time, when the acid-containing high-temperature exhaust steam flows to the outlet of the first medium channel, the spray head sprays cooling water to cool the acid-containing high-temperature exhaust steam for a second time, and at the same time realizes the effect of spray de-whitening, achieving the purpose of secondary de-whitening. Among them, the cooling water sprayed by the spray head will flow to the water storage tank after contacting the acid-containing high-temperature exhaust steam, achieving the purpose of repeated recycling of cooling water, which is more energy-saving and environmentally friendly; through two de-whitening, it can not only eliminate the acid-containing substances and solid impurities in the acid-containing high-temperature exhaust steam, which will not affect the atmospheric environment, but also reduce water vapor, so that the discharged gas will not have a white mist effect, and at the same time make the discharged gas temperature lower, thereby meeting the emission standards, which is more energy-saving and environmentally friendly. Description of the drawings:

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the wading board in the utility model;

[0022] Figure 3 It is a cross-sectional view of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the utility model after the frame is disassembled;

[0024] Figure 5 It is a stereoscopic diagram of another viewing angle after the frame of the utility model is disassembled;

[0025] Figure 6 It is a three-dimensional diagram of the water storage tank in the utility model;

[0026] Figure 7 It is the principle diagram of the utility model;

[0027] Figure 8 It is a stereoscopic diagram of the spray device in the utility model. Specific implementation method:

[0028] The utility model is further described below in conjunction with specific embodiments and drawings.

[0029] See Figure 1-8 As shown, a waste heat recovery and de-whitening system for liquor gelatinization is provided, which comprises: a condensing device 1, an exhaust pipe 2, and a spraying device 3.

[0030] The condensing device 1 has a first medium channel 101 for the recovered high-temperature exhaust steam to pass through, a second medium channel 102 isolated from the first medium channel 101 and for the cooling medium to pass through, and a waste heat recovery pipe 112 for recovering the cooling medium after heat exchange; the exhaust pipe 2 is connected to the condensing device 1 and is used to discharge the exhaust steam that cannot be condensed; the spraying device 3 includes a water tank 31, a spray pump group 32 connected to the water tank 31, a spray pipe 33 connected to the spray pump group 32, and a spray head 34 connected to the spray pipe 33, the spray head 34 is placed at the outlet of the first medium channel 101, and cools and de-whitens the exhaust steam after the first condensation through the first medium channel 101; the first medium channel 101 is connected to the water tank 31, and provides circulating cooling water for the spraying device 3. When the utility model is working, the acid-containing high-temperature exhaust steam formed in the gelatinization process of liquor brewing enters the first medium channel 101 of the condensing device 1, and at the same time, the cooling medium (such as cooling water) enters the second medium channel 102 of the condensing device 1. At this time, the cooling medium (such as cooling water) in the second medium channel 102 exchanges heat with the acid-containing high-temperature exhaust steam in the first medium channel 101, thereby achieving the purpose of condensing the acid-containing high-temperature exhaust steam, and at the same time, the cooling medium (such as cooling water) can be heated to form high-temperature hot water, and recovered through the waste heat recovery pipe 112 for boiler feed water, etc., to achieve the purpose of waste heat recovery; in this process, most of the water vapor in the acid-containing high-temperature exhaust steam is cooled and condensed into cooling water to flow to the spray device 3 The water tank 31 is used to achieve the purpose of primary dewhitening. At the same time, when the acid-containing high-temperature exhaust steam flows to the outlet of the first medium channel 101, the spray head 34 sprays cooling water to cool the acid-containing high-temperature exhaust steam for a second time, and at the same time realizes the effect of spray dewhitening, achieving the purpose of secondary dewhitening. The cooling water sprayed by the spray head 34 will flow to the water tank 31 after contacting the acid-containing high-temperature exhaust steam, so as to achieve the purpose of repeated recycling of cooling water, which is more energy-saving and environmentally friendly. Through two dewhitening, it can not only eliminate the acid-containing substances and solid impurities in the acid-containing high-temperature exhaust steam, which will not affect the atmospheric environment, but also reduce water vapor, so that the discharged gas will not have a white mist effect, and at the same time make the discharged gas temperature lower, thereby meeting the emission standards, which is more energy-saving and environmentally friendly.

[0031] The condensing device 1 includes an outer shell 11 and a heat exchange core 12 arranged in the outer shell 11, the heat exchange core 12 has the second medium channel 102 inside, and the outer shell 11 is provided with a second medium inlet 111 and a waste heat recovery pipe 112 connected to the second medium channel 102; the first medium channel 101 is formed between the outer shell 11 and the heat exchange core 12, and the outer shell 11 is provided with a waste steam inlet 113 connected to the first medium channel 101.

[0032] There are two heat exchange cores 12, which are arranged in parallel in the housing 11 and form two first medium channels 101 to condense the high-temperature exhaust steam on both sides; the spray head 34 is arranged between the outlet of the first first medium channel 101 and the inlet of the second first medium channel 101. That is to say, the condensation device 1 can realize two condensations, wherein, when the spray head 34 sprays cooling water as spray water to the high-temperature exhaust steam flowing out of the outlet of the first first medium channel 101, the high-temperature exhaust steam will enter the second first medium channel 101, and the second medium channel 102 of the second heat exchange core 12 flows through the cooling water, and the cooling water and the high-temperature exhaust steam in the second first medium channel 101 are condensed twice, thereby achieving the purpose of cooling the high-temperature exhaust steam three times, and at the same time, it also plays the effect of condensation and de-whitening, achieving three-time de-whitening, thereby better cooling and de-whitening the high-temperature exhaust steam, making the exhaust steam temperature finally discharged lower, and the white mist effect lower or even no, thereby better meeting the gas emission standards.

[0033] The longitudinal section of the shell 11 is rectangular, and the outer portion of the shell 11 is provided with criss-cross reinforcing ribs 110, which has a stable structure and is not easily deformed, thereby increasing the service life of the product.

[0034] In order to increase the temperature of the cooling water flowing to the water tank 31 to a lower level, the utility model further provides a cooling device 4, which is connected between the first medium channel 101 and the water tank 31, and is used to recover the cooling water and cool the cooling water again. The water inlet 401 of the cooling device 4 is connected to the first medium channel 101 of the condensing device 1 to collect the cooling medium flowing out of the first medium channel 101 and the spray water sprayed by the spray head 34. The water outlet 402 of the cooling device 4 is connected to the water tank 31 and provides circulating cooling water for the spray device 3. The cooling medium (i.e., cooling water) flowing out of the first medium channel 101 and the spray water (i.e., cooling water) sprayed by the spray head 34 are cooled again by the cooling device 4, so that cooling water with a relatively low temperature flows to the water tank 31, which is the cooling water with a relatively low temperature sprayed by the spray head 34 as spray water in the later stage, so as to achieve a better cooling and cooling effect and a better spray de-whitening effect.

[0035] Among them, the cooling device 4 includes a cooling tube 41 formed by several bends and a plurality of heat dissipation fins 42 fixed to the periphery of the cooling tube 41 and distributed at intervals. A heat dissipation gap is formed between two adjacent heat dissipation fins 42, which realizes heat dissipation through air flow, that is, the heat of the cooling water in the cooling tube 41 will be transferred to the cooling tube 41, the heat dissipation fins 42 and the heat dissipation gap between the heat dissipation fins 42. After the air flows, the heat can be taken away, thereby achieving the purpose of heat dissipation and cooling, so that the temperature flowing through the cooling tube 41 becomes lower.

[0036] The cooling pipe 41 is distributed in an inclined state, wherein the water inlet 401 side of the cooling pipe 41 is higher than the water outlet 402 side of the cooling pipe 41. Such a design enables the cooling water in the cooling pipe 41 to flow and eventually reach the water storage tank 31 smoothly.

[0037] In order to further reduce the temperature of the cooling water passing through the cooling device 4, the following design is made: a water-wading plate 35 is arranged on the upper part of the water tank 31, and the water-wading plate 35 includes an inclined plate 351 and a bent plate 352 bent on one side of the inclined plate 351 and lower than the inclined plate 351, and the bent plate 352 is L-shaped, and a water receiving groove 310 is formed between the bent plate 352 and the upper end of the water tank 31, and the upper end of the bent plate 352 is lower than the upper end of the water tank 31, so that the upper end of the inclined plate 351 is connected to the side opening of the water receiving groove 310; a water flow gap 350 is formed between the end of the inclined plate 351 and the inner wall of the water tank 31. When the cooling water flows to the water storage tank 31 through the cooling device 4, the cooling water will first enter the water receiving trough 310 until the cooling water fills the water receiving trough 310, and overflows from the side opening of the water receiving trough 310 to the inclined plate 351, and finally flows to the inner cavity of the water storage tank 31 through the water flow gap 350. Among them, when the cooling water overflowing from the side opening of the water receiving trough 310 flows on the inclined plate 351, it can fully contact with the air and has a large contact area, which can achieve good heat dissipation purpose, and then achieve the purpose of cooling the cooling water again, so that the temperature of the cooling water flowing into the inner cavity of the water storage tank 31 is relatively lower.

[0038] The spray pump group 32 includes a spray pump 321 and a Y-type filter 322 connected to the water inlet of the spray pump 321. The Y-type filter 322 is connected to the water tank 31 through a pipeline. The Y-type filter 322 serves to filter cooling water, thereby preventing impurities from flowing into the spray pump 321 and affecting the working quality and service life of the spray pump 321.

[0039] A conical metal baffle cover 21 is provided at the upper end of the exhaust pipe 2, the outer edge of which protrudes from the outside of the exhaust pipe 2, and a transverse exhaust port 22 is formed between the conical metal baffle cover 21 and the upper end of the exhaust pipe 2; a water receiving tray 23 is also provided on the outside of the upper end of the exhaust pipe 2, and the water receiving tray 23 is placed under the conical metal baffle cover 21, and the size of the water receiving tray 23 is larger than the size of the conical metal baffle cover 21. When exhaust steam enters the exhaust pipe 2 and is discharged outward, the exhaust steam will first contact with the conical metal baffle cover 21 and be blocked by the conical metal baffle cover 21, and then be discharged from the horizontal exhaust port 22. The addition of the conical metal baffle cover 21 can not only prevent foreign objects from directly entering the exhaust pipe 2 from top to bottom, and play a protective role, but also the conical metal baffle cover 21 will first contact with the exhausted exhaust steam to achieve a cooling effect. Especially in low temperature environments such as winter, the temperature of the conical metal baffle cover 21 is relatively low, and the temperature of the exhausted exhaust steam is relatively high. It will be cooled / condensed when it contacts the conical metal baffle cover 21, thereby achieving the effect of cooling again, and the formed water droplets will drip downward along the lower edge of the conical metal baffle cover 21 to the water receiving tray 23, and the water receiving tray 23 plays the role of storing a small amount of water. The lower end of the water receiving tray 23 is also connected to a water receiving pipe 24, and the water receiving pipe 24 is connected to the water storage tank 31, so that the water collected by the water receiving tray 23 will flow back to the water storage tank 31 through the water receiving pipe 24, thereby achieving the purpose of recycling.

[0040] The exhaust pipe 2 is also provided with a plurality of filter screens 20 distributed at intervals, and the filter screens 20 can effectively prevent foreign matter from entering, thereby increasing the service life of the utility model.

[0041] The condensing device 1, the spraying device 3, the exhaust pipe 2, and the cooling device 4 are all fixed on the frame 5 to form a module, which is convenient for transportation and handling. The exhaust pipe 2 is L-shaped and is placed on the side of the condensing device 1, and the cooling device 4 is located below the condensing device 1.

[0042] In summary, when the utility model is working, the acidic high-temperature exhaust steam formed in the gelatinization process of liquor brewing enters the first medium channel 101 of the condensing device 1, and at the same time, the cooling medium (such as cooling water) enters the second medium channel 102 of the condensing device 1. At this time, the cooling medium (such as cooling water) in the second medium channel 102 exchanges heat with the acidic high-temperature exhaust steam in the first medium channel 101, thereby achieving the purpose of condensing the acidic high-temperature exhaust steam. At the same time, the cooling medium (such as cooling water) can be heated to form high-temperature hot water, and recovered through the waste heat recovery pipe 112 for boiler feed water, etc., to achieve the purpose of waste heat recovery; in this process, most of the water vapor in the acidic high-temperature exhaust steam is cooled and condensed into cooling water that flows to the spray device The water tank 31 of device 3 achieves the purpose of primary dewhitening. At the same time, when the acid-containing high-temperature exhaust steam flows to the outlet of the first medium channel 101, the spray head 34 sprays cooling water to cool the acid-containing high-temperature exhaust steam for a second time, and at the same time realizes the effect of spray dewhitening, achieving the purpose of secondary dewhitening. Among them, the cooling water sprayed by the spray head 34 will flow to the water tank 31 after contacting the acid-containing high-temperature exhaust steam, so as to achieve the purpose of repeated recycling of cooling water, which is more energy-saving and environmentally friendly; through two dewhitening, it can not only eliminate the acid-containing substances and solid impurities in the acid-containing high-temperature exhaust steam, which will not affect the atmospheric environment, but also reduce water vapor, so that the discharged gas will not have a white mist effect, and at the same time make the discharged gas temperature lower, thereby meeting the emission standards, which is more energy-saving and environmentally friendly.

[0043] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. Liquor gelatinization waste heat recovery and de-whitening system, characterized by: It includes: A condensing device (1) comprising a first medium channel (101) for the recovered high-temperature exhaust steam to pass through, a second medium channel (102) isolated from the first medium channel (101) and for the cooling medium to pass through, and a waste heat recovery pipe (112) for recovering the cooling medium after heat exchange; An exhaust pipe (2), which is connected to the condensing device (1) and is used to discharge the exhaust steam that cannot be condensed; A spray device (3), comprising a water storage tank (31), a spray pump group (32) connected to the water storage tank (31), a spray pipe (33) connected to the spray pump group (32), and a spray head (34) connected to the spray pipe (33); the spray head (34) is placed at the outlet of the first medium channel (101) and cools and de-whitens the exhaust steam after primary condensation through the first medium channel (101); The first medium channel (101) is connected to the water storage tank (31) and provides circulating cooling water for the spray device (3).

2. The liquor gelatinization waste heat recovery and de-whitening system according to claim 1 is characterized by: It also includes a cooling device (4) connected between the first medium channel (101) and the water storage tank (31); the water inlet (401) of the cooling device (4) is connected to the first medium channel (101) of the condensing device (1) to collect the cooling medium flowing out of the first medium channel (101) and the spray water sprayed by the spray head (34); the water outlet (402) of the cooling device (4) is connected to the water storage tank (31) and provides circulating cooling water for the spray device (3).

3. The liquor gelatinization waste heat recovery and de-whitening system according to claim 2 is characterized by: The cooling device (4) comprises a cooling tube (41) formed by a number of bends and a plurality of heat dissipation fins (42) fixed to the periphery of the cooling tube (41) and distributed at intervals, with a heat dissipation gap formed between two adjacent heat dissipation fins (42); the cooling tube (41) is distributed in an inclined state, wherein the water inlet (401) side of the cooling tube (41) is higher than the water outlet (402) side of the cooling tube (41).

4. The liquor gelatinization waste heat recovery and de-whitening system according to any one of claims 1 to 3, characterized in that: The condensing device (1) comprises an outer shell (11) and a heat exchange core (12) arranged in the outer shell (11); the heat exchange core (12) has the second medium channel (102) inside; the outer shell (11) is provided with a second medium inlet (111) connected to the second medium channel (102) and the waste heat recovery pipe (112); the first medium channel (101) is formed between the outer shell (11) and the heat exchange core (12); the outer shell (11) is provided with a waste steam inlet (113) connected to the first medium channel (101).

5. The liquor gelatinization waste heat recovery and de-whitening system according to claim 4 is characterized by: The number of the heat exchange cores (12) is two, which are arranged in parallel in the outer shell (11) and form two first medium channels (101) to condense high-temperature exhaust steam on both sides; the spray head (34) is arranged between the outlet of the first first medium channel (101) and the inlet of the second first medium channel (101).

6. The liquor gelatinization waste heat recovery and de-whitening system according to claim 4 is characterized by: The shell (11) has a rectangular longitudinal section, and the shell (11) has crisscross reinforcing ribs (110) on the outside.

7. The liquor gelatinization waste heat recovery and de-whitening system according to any one of claims 1 to 3, characterized in that: A water wading plate (35) is arranged on the upper part of the water storage tank (31), and the water wading plate (35) comprises an inclined plate (351) and a bent plate (352) bent on one side of the inclined plate (351) and lower than the inclined plate (351); a water receiving groove (310) is formed between the bent plate (352) and the upper end of the water storage tank (31), and the upper end of the bent plate (352) is lower than the upper end of the water storage tank (31), so that the upper end of the inclined plate (351) is connected to the side opening of the water receiving groove (310); and a water flow space (350) is formed between the end of the inclined plate (351) and the inner wall of the water storage tank (31).

8. The liquor gelatinization waste heat recovery and de-whitening system according to claim 7 is characterized by: The upper end of the exhaust pipe (2) is provided with a conical metal cover (21), the outer edge of the conical metal cover (21) protrudes outside the exhaust pipe (2), and a transverse exhaust port (22) is formed between the conical metal cover (21) and the upper end of the exhaust pipe (2); the upper end of the exhaust pipe (2) is also provided with a water receiving tray (23), the water receiving tray (23) is placed below the conical metal cover (21), and the size of the water receiving tray (23) is larger than the size of the conical metal cover (21).

9. The liquor gelatinization waste heat recovery and de-whitening system according to claim 8, characterized in that: The lower end of the water receiving tray (23) is also connected to a water receiving pipe (24), and the water receiving pipe (24) is connected to the water storage tank (31).

10. The liquor gelatinization waste heat recovery and de-whitening system according to claim 3, characterized in that: The condensing device (1), the spraying device (3), the exhaust pipe (2), and the cooling device (4) are all fixed on a frame (5); the exhaust pipe (2) is L-shaped and is placed on the side of the condensing device (1); the cooling device (4) is located below the condensing device (1); and a plurality of filter screens (20) are also arranged at intervals in the exhaust pipe (2).

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