CN110881680A - Stalk soaking machine water for production economizer - Google Patents
Stalk soaking machine water for production economizer Download PDFInfo
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- CN110881680A CN110881680A CN201911122132.0A CN201911122132A CN110881680A CN 110881680 A CN110881680 A CN 110881680A CN 201911122132 A CN201911122132 A CN 201911122132A CN 110881680 A CN110881680 A CN 110881680A
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- water
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- waste heat
- heat recovery
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a stalk soaking machine production water energy-saving device, which comprises a stalk soaking machine water tank, a water supply unit and a heating unit, wherein the device also comprises a waste heat recovery unit and a mixing unit; the waste heat recovery unit is used for obtaining hot water in the production process, and the waste heat recovery unit and the water supply unit are both communicated with the mixing unit; the mixing unit is used for mixing the hot water in the waste heat recovery unit with the normal-temperature water in the water supply unit so as to enable the mixed water temperature to be in a first set temperature range; the heating unit and the mixing unit are both communicated with the stem soaking machine water tank, and the heating unit is used for heating water in the stem soaking machine water tank so as to keep the temperature in the stem soaking machine water tank within a second set temperature range. The invention can save energy.
Description
Technical Field
The invention belongs to the technical field of stem soaking treatment processes, and particularly relates to production water replenishing and water temperature control of a stem soaking machine.
Background
The tobacco stem soaking machine mainly comprises a main water tank, an auxiliary water tank, a water collecting tank, a cleaning water tank, a transition water tank, a scraper conveying mechanism, a mesh belt conveying mechanism, a pipeline control cabinet, a water level control system, a temperature control system, a circulating water pipeline system, an automatic cleaning system (an electrical control system) in a box body and the like.
Depending on the difference of the specific gravity of the foreign matters such as soil, sand and stone, metal and the like mixed in the incoming materials and the specific gravity of water, the dust is dissolved in the water and the foreign matters such as sand and stone, metal and the like are deposited after the water is fully mixed, thereby achieving the purpose of cleaning.
The advancing speed of the tobacco stems in the stem soaking machine is slow, the tobacco stems with impurities removed are forcedly soaked in circulating water at the temperature of 40-70 ℃ for 20-120 seconds (adjustable), after the water content of the tobacco stems meets the requirement, surface water is removed through leaching, and then water balance is carried out, so that the water content inside and outside the tobacco stems is uniform.
The stem washing water of the stem soaking machine is supplied by tap water, and the working requirement can be met only by keeping the temperature of the stem washing water at 65 +/-3 ℃ through steam heating in the production process. The daily temperature of tap water is about 25 +/-3 ℃, the temperature difference of about 40 ℃ exists in the middle when the tobacco stem is heated to a production and use state, the preheating time in a normal state is more than 20 minutes, water adding and heating can be completed, the opening degree of a film valve is about 90% during heating, the steam working pressure reaches more than 0.4MP, in the stem washing process, the stem washing machine carries out pollution discharge regularly, and meanwhile, the tap water is supplemented to keep the water level, the water temperature fluctuation in the water supplementing process is large due to the fact that the temperature difference between the tap water and the working water temperature is large, steam is required to be heated uninterruptedly, a large amount of steam is consumed.
Disclosure of Invention
The invention aims to provide an energy-saving device for production water of a stalk soaking machine, which aims to solve the technical problems in the prior art and can save energy.
The invention provides a stalk soaking machine production water energy-saving device which comprises a stalk soaking machine water tank, a water supply unit and a heating unit, wherein the device also comprises a waste heat recovery unit and a mixing unit;
the waste heat recovery unit is used for obtaining hot water in the production process, and the waste heat recovery unit and the water supply unit are both communicated with the mixing unit; the mixing unit is used for mixing the hot water in the waste heat recovery unit with the normal-temperature water in the water supply unit so as to enable the mixed water temperature to be in a first set temperature range;
the heating unit and the mixing unit are both communicated with the stem soaking machine water tank, and the heating unit is used for heating water in the stem soaking machine water tank so as to keep the temperature in the stem soaking machine water tank within a second set temperature range.
The stalk soaking machine production water energy-saving device is characterized in that the first set temperature range is a set temperature range of which the maximum value is greater than or equal to the minimum value.
The stalk soaking machine production water energy-saving device comprises a waste heat recovery unit, a first filter, a first check valve and a first stop valve, wherein the waste heat recovery unit comprises a waste heat recovery tank, a first filter, a first check valve and a first stop valve;
the waste heat recovery tank, the first stop valve, the first filter, the first check valve and the mixing unit are communicated in sequence; the first check valve is used for preventing water flow from flowing back into the waste heat recovery tank;
the waste heat recovery tank is used for recovering hot water in the production process or heating water by using waste heat in the production process.
The stalk soaking machine production water energy-saving device comprises a waste heat recovery unit, a water tank, a water pump;
the circulation pump is installed between the first check valve and the mixing unit; a first drainage pipe is connected between the first check valve and the circulating pump, and the first drainage valve is installed on the first drainage pipe; the circulating pump with be connected with the second drain pipe between the mixing unit, the second drain valve is installed on the second drain pipe.
The stalk soaking machine production water energy-saving device comprises a mixing unit, a first check valve, a second stop valve, a third check valve, a third stop valve, a fourth check valve and a fourth stop valve, wherein the mixing unit comprises a mixing valve, a first check valve, a second stop valve, a third check valve, a third stop valve, a fourth check valve and a fourth stop valve;
the mixing valve is provided with a first water inlet, a second water inlet and a water outlet; the first water inlet is communicated with the waste heat recovery unit, and the second water inlet is communicated with the water supply unit; the water outlet is communicated with the stem soaking machine water tank;
the second check valve and the second stop valve are arranged between the waste heat recovery unit and the first water inlet; the third stop valve and the third check valve are installed between the water supply unit and the second water inlet; the fourth check valve and the fourth stop valve are installed between the mixing valve and the stem soaking machine water tank.
The stalk soaking machine production water energy-saving device is characterized in that the mixing unit further comprises a second filter, and the second filter is mounted between the fourth stop valve and the stalk soaking machine water tank.
The stalk soaking machine production water energy-saving device comprises a mixing valve, a water tank, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the mixing valve is a thermostatic water valve; the thermostatic water valve further comprises a temperature sensor, and the thermostatic water valve is used for adjusting the opening degree according to the relation between the temperature sensor and the first set temperature range, so that the mixed water temperature is in the first set temperature range.
The stalk soaking machine production water energy-saving device comprises a water supply unit, a mixing unit and a water tank, wherein the water supply unit comprises a water main connected with a water source and a fifth stop valve installed on the water main, and the fifth stop valve is communicated with the mixing unit.
The stalk soaking machine production water energy-saving device comprises a heating unit, a steam pipeline, a sixth stop valve and a membrane valve, wherein the heating unit is connected with the steam pipeline;
the membrane valve is used for controlling the steam quantity.
The stalk soaking machine production water energy-saving device comprises a heating unit, a fifth stop valve, a film valve, a water tank, a; the pressure relief valve is arranged to reduce the pressure of the steam entering the membrane valve.
Compared with the prior art, the stem soaking machine can utilize the waste heat generated in the production process to mix hot water with tap water so as to heat the tap water, so that the consumption of steam by the stem soaking machine is reduced, and the energy can be greatly saved.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
fig. 2 is another schematic structural view of an embodiment of the present invention.
Description of reference numerals:
1-a stem soaking machine water tank, 2-a water supply unit, 3-a heating unit, 4-a waste heat recovery unit and 5-a mixing unit;
21-a water main and 22-a fifth stop valve;
31-a steam pipeline, 32-a sixth stop valve, 33-a membrane valve, 34-a pressure reducing valve;
41-a waste heat recovery tank, 42-a first filter, 43-a first check valve, 44-a first stop valve, 45-a circulating pump, 46-a first drain valve, 47-a second drain valve;
51-mixing valve, 52-second check valve, 53-second stop valve, 54-third check valve, 55-third stop valve, 56-fourth check valve, 57-fourth stop valve, 58-second filter, 59-temperature sensor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Referring to fig. 1 and 2, the invention provides a stalk soaking machine production water energy-saving device, which comprises a stalk soaking machine water tank 1, a water supply unit 2 and a heating unit 3, wherein the device further comprises a waste heat recovery unit 4 and a mixing unit 5. Specifically, the water supply unit 2 is connected with a tap water pipe and is used for supplying water to the stem soaking machine water tank 1. The heating unit 3 is used for heating the water in the stem soaking machine water tank 1, so that the water in the stem soaking machine water tank 1 is ensured to reach the optimal use temperature. The waste heat recovery unit 4 is used for recovering hot water in the production process or heating the hot water by using waste heat in the production process to form hot water. Advantageously, the hot water stored in the exhaust gas recovery system, which is normally maintained at about 80 ℃, is recovered and reused, and then mixed with the water in the water supply unit 2 through the mixing unit 5. Specifically, the waste heat recovery unit 4 is used for obtaining hot water in a production process, and the waste heat recovery unit 4 and the water supply unit 2 are both communicated with the mixing unit 5; the mixing unit 5 is used for mixing the hot water in the waste heat recovery unit 4 with the normal-temperature water in the water supply unit 2, so that the mixed water temperature is in a first set temperature range. In specific implementation, the first set temperature range is between 58 ℃ and 62 ℃.
The heating unit 3 and the mixing unit 5 are both communicated with the stem soaking machine water tank 1, and the heating unit 3 is used for heating water in the stem soaking machine water tank 1 so as to keep the temperature in the stem soaking machine water tank 1 within a second set temperature range. Specifically, the second set temperature range is 64.5 ℃ to 66.5 ℃, and the second set temperature range is the optimal temperature range of the stem soaking process.
During the concrete implementation, through utilizing waste heat recovery unit 3 to come out hot water and the running water under the normal atmospheric temperature mixes, can guarantee that the water that enters into in the stalk dipping machine water tank 1 is slightly lower than the optimum temperature range of stalk dipping technology, can prevent to preheat the water that enters into in the stalk dipping machine water tank 1 on the one hand, has reduced the energy consumption to the heating element, and preheat the energy that uses and be the energy through waste heat recovery unit recovery, consequently, can very big energy saving.
In a preferred embodiment, the maximum value of the first set temperature range is less than or equal to the minimum value of the second set temperature range. In a specific arrangement, the first set temperature range is about 60 ℃, for example, 58 ℃ to 62 ℃. And the second set temperature range is between 64.5 c and 66.5 c. The maximum value of the first set temperature range is smaller than or equal to the minimum value of the second set temperature range, so that the water temperature can be prevented from being too high, and the heating unit 3 is matched at present, so that the water in the stem soaking machine water tank 1 can be quickly heated, and the water temperature fluctuation can be eliminated.
As a preferred embodiment, the waste heat recovery unit 4 includes a waste heat recovery tank 41, a first filter 42, a first check valve 43, and a first stop valve 44. The waste heat recovery tank 41, the first stop valve 44, the first filter 42, the first check valve 43, and the mixing unit 5 are sequentially communicated; the first check valve 43 prevents the reverse flow of water into the waste heat recovery tank 41. The waste heat recovery tank 41 is used for recovering hot water in the production process or heating water by using waste heat in the production process. Specifically, the first filter 42 is used for filtering water flowing out of the waste heat recovery tank 41. The water in the waste heat recovery tank 41 can be kept relatively clean, and scale and impurities which possibly exist are filtered. Through first stop valve 44, close the pipeline as required when being convenient for overhaul.
As a preferred embodiment, the waste heat recovery unit 4 further includes a circulation pump 45, a first drain valve 46 and a second drain valve 47; the circulation pump 45 is used to pump the hot water in the heat recovery unit 4 into the mixing unit 5. The circulation pump 45 is installed between the first check valve 43 and the mixing unit 5; a first drain pipe is connected between the first check valve 43 and the circulating pump 45, and the first drain valve 46 is installed on the first drain pipe; a second drain pipe is connected between the circulating pump 45 and the mixing unit 5, and the second drain valve 47 is installed on the second drain pipe. By providing the first drain valve 46 and the second drain valve 47, the discharge of the surplus hot water is facilitated.
As a preferred embodiment, the mixing unit 5 comprises a mixing valve 51, a second check valve 52, a second shut-off valve 53, a third check valve 54, a third shut-off valve 55, a fourth check valve 56 and a fourth shut-off valve 57. Specifically, the mixing valve 51 is used for mixing hot water and normal-temperature tap water to increase the temperature of water entering the stem soaking machine water tank 1. Further, the mixing valve 51 has a first water inlet, a second water inlet and a water outlet; the first water inlet is communicated with the waste heat recovery unit 4, and the second water inlet is communicated with the water supply unit 2; the water outlet is communicated with the stem soaking machine water tank 1. In this way, the hot water flowing out of the heat recovery unit 4 can be mixed with the normal temperature water flowing out of the water supply unit 2.
The second check valve 52 and the second stop valve 53 are installed between the waste heat recovery unit 4 and the first water inlet; the third stop valve 55 and the third check valve 54 are installed between the water supply unit 2 and the second water inlet; the fourth check valve 56 and the fourth stop valve 57 are installed between the mixing valve 51 and the stem macerator tank 1. Specifically, hot water can be prevented from flowing back to the waste heat recovery unit 4 by providing the second check valve 52, and hot water can be prevented from flowing back through the mixing valve 51 by providing the third check valve 55, so that the potential safety hazard of easy scalding is eliminated. By providing the fourth check valve 56, the mixed water can be prevented from flowing backward. Through setting up second stop valve 53, third stop valve 55 and fourth stop valve 57, can break corresponding pipeline as required, be convenient for detect and maintenance.
In a preferred embodiment, the mixing unit 5 further comprises a second filter 58, and the second filter 58 is installed between the fourth stop valve 57 and the stem macerator tank 1. So, be convenient for filter the rivers after mixing.
In a preferred embodiment, the mixing valve 51 is a thermostatic water valve; the constant-temperature water valve further comprises a temperature sensor 59, and the opening degree of the constant-temperature water valve is adjusted according to the relation between the temperature sensor 59 and the first set temperature range, so that the mixed water temperature is in the first set temperature range. Specifically, the water temperature at the outlet of the mixing unit 5 can be detected by the temperature sensor 58, and the opening degree of the mixing valve 51 is controlled according to the detected water temperature. Therefore, the water temperature after mixing can be accurately ensured.
Specifically, a thermosensitive element is arranged at an outlet of the constant-temperature water valve, and the characteristic of the thermosensitive element is utilized to push the valve core to move, so that the ratio of cold water and hot water entering is changed, dynamic balance is achieved, and the outlet water temperature is kept constant all the time. According to the set outlet water temperature, 10 adjusting gears can be provided, the influence of the water supply temperature, the flow and the water pressure change is avoided, and the phenomenon that the outlet water temperature is suddenly cooled and suddenly heated is solved. When the cold water supply is interrupted, the constant temperature water valves can quickly cut off the hot water, and the safety protection effect is achieved.
As a preferred embodiment, the water supply unit 2 includes a water main 21 connected to a water source, and a fifth stop valve 22 installed on the water main 21, wherein the fifth stop valve 22 is communicated with the mixing unit 5. In particular, the fifth cut-off valve 22 is used to cut off the supply of tap water. So as to meet the requirements of overhauling and stopping supplying normal temperature water.
As a preferred embodiment, the heating unit 3 comprises a steam pipeline 31 communicated with a steam source, and a sixth stop valve 32 and a membrane valve 33 mounted on the steam pipeline 31; that is, in the present embodiment, the water in the stem macerator tank 1 is heated by steam. In particular, the membrane valve 33 is used to control the amount of steam. In this way, precise control of the steam is facilitated.
As a preferred embodiment, the heating unit 3 further comprises a pressure reducing valve 34, the pressure reducing valve 34 being installed between the fifth cut-off valve 22 and the membrane valve 33; the pressure reducing valve 34 is arranged to reduce the pressure of the steam entering the membrane valve 33. Thus, by reducing the steam pressure at the pressure reducing valve 34, it is advantageous to accurately control the amount of steam entering.
Further, a pneumatic valve is arranged between the mixing unit 5 and the stem soaking machine water tank 1 and used for controlling the water inflow of the stem soaking machine water tank 1.
Further, a bypass line is connected between the fifth cut-off valve 22 and the third cut-off valve 55, and the other end of the bypass line is connected between the air-operated valve and the second filter 58. And a fifth check valve and a seventh stop valve are arranged on the bypass pipeline. Thus, normal-temperature tap water can be supplied according to needs, and for example, when the pipeline or the stem soaking machine water tank 1 needs to be cleaned, the tap water can be directly filled into the stem soaking machine water tank.
When the stem soaking machine is specifically implemented, production water of the stem soaking machine stores hot water by using the exhaust gas recovery system, is directly connected with a water inlet system of a stem soaking machine water tank 1 by adding a pipeline, and the outlet water temperature is controlled to be about 60 ℃ after the hot water is mixed with tap water through a constant-temperature water mixing valve. Optimizing water temperature control, improving a steam heating control method, and stopping steam heating when the temperature of mixed water entering a stem soaking machine water tank 1 is about 60 ℃ and a small amount of steam is needed for heating, so that the water temperature is kept in a set interval in the production process, and the opening of a film valve 33 for heating the steam is set to be 0 by controlling the opening of the film valve 33 when the temperature reaches 66.5 ℃; when the temperature is lower than 64.5 ℃, the opening degree of the membrane valve is set to be 40 percent, and the rapid heating can be realized; when the temperature is between 64.5 ℃ and 66.5 ℃, the opening degree of the film valve is controlled by PID, reasonable PID parameters are set, the opening degree of the film valve is kept at about 18%, the water temperature is kept by a small amount of steam, and the problem of overlarge water temperature fluctuation during water changing is effectively solved.
The present embodiment has the following effects:
1. effectively reduces the steam consumption and realizes energy conservation and consumption reduction. The steam amount can be saved by 2/3 per hour through measurement, 160 kg of steam is consumed per hour, the production time is calculated according to 10 hours per day, the production time is reduced from the last year after 270 days of annual production, and each ton of steam is 500 yuan, and 1.6 x 500 x 270 x 2/3 is saved to 14.4 yuan each year after modification.
2. The stem soaking machine adopts a hot water replenishing mode, solves the problem of slow temperature rise of the water temperature of the stem soaking machine, ensures stable water temperature, improves the processing capacity of the stem soaking machine, ensures that the processed tobacco stems are softer, and improves the quality of cut stems.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (10)
1. The utility model provides a dip stalk machine water economizer that uses in production, includes dip stalk machine water tank (1), water supply unit (2) and heating element (3), its characterized in that: the device also comprises a waste heat recovery unit (4) and a mixing unit (5);
the waste heat recovery unit (4) is used for obtaining hot water in the production process, and the waste heat recovery unit (4) and the water supply unit (2) are both communicated with the mixing unit (5); the mixing unit (5) is used for mixing the hot water in the waste heat recovery unit (4) with the normal-temperature water in the water supply unit (2) so as to enable the mixed water temperature to be in a first set temperature range;
the heating unit (3) and the mixing unit (5) are both communicated with the stem soaking machine water tank (1), and the heating unit (3) is used for heating water in the stem soaking machine water tank (1) so as to keep the temperature in the stem soaking machine water tank (1) within a second set temperature range.
2. The stalk dipping machine production water energy-saving device according to claim 1, characterized in that: the maximum value of the first set temperature range is less than or equal to the minimum value of the second set temperature range.
3. The stalk dipping machine production water energy-saving device according to claim 2, characterized in that: the waste heat recovery unit (4) comprises a waste heat recovery tank (41), a first filter (42), a first check valve (43) and a first stop valve (44);
the waste heat recovery tank (41), the first stop valve (44), the first filter (42), the first check valve (43), and the mixing unit (5) are in communication in sequence; the first check valve (43) is used for preventing water from flowing back into the waste heat recovery tank (41);
the waste heat recovery tank (41) is used for recovering hot water in the production process or heating water by using waste heat in the production process.
4. The stalk dipping machine production water energy-saving device according to claim 3, characterized in that: the waste heat recovery unit (4) further comprises a circulating pump (45), a first drain valve (46) and a second drain valve (47);
the circulation pump (45) is mounted between the first check valve (43) and the mixing unit (5); a first drainage pipe is connected between the first check valve (43) and the circulating pump (45), and the first drainage valve (46) is installed on the first drainage pipe; and a second drain pipe is connected between the circulating pump (45) and the mixing unit (5), and a second drain valve (47) is arranged on the second drain pipe.
5. The stalk dipping machine production water energy-saving device according to claim 1, characterized in that: the mixing unit (5) comprises a mixing valve (51), a second check valve (52), a second stop valve (53), a third check valve (54), a third stop valve (55), a fourth check valve (56) and a fourth stop valve (57);
the mixing valve (51) is provided with a first water inlet, a second water inlet and a water outlet; the first water inlet is communicated with the waste heat recovery unit (4), and the second water inlet is communicated with the water supply unit (2); the water outlet is communicated with the stem soaking machine water tank (1);
the second check valve (52) and the second stop valve (53) are installed between the waste heat recovery unit (4) and the first water inlet; the third stop valve (55) and the third check valve (54) are installed between the water supply unit (2) and the second water inlet; the fourth check valve (56) and the fourth stop valve (57) are installed between the mixing valve (51) and the stem macerator tank (1).
6. The stalk dipping machine production water energy-saving device according to claim 5, characterized in that: the mixing unit (5) further comprises a second filter (58), and the second filter (58) is installed between the fourth stop valve (57) and the stem soaking machine water tank (1).
7. The stalk dipping machine production water energy-saving device according to claim 6, characterized in that: the mixing valve (51) is a constant temperature water valve; the thermostatic water valve further comprises a temperature sensor (59), and the opening degree of the thermostatic water valve is adjusted according to the relation between the temperature sensor (59) and the first set temperature range, so that the mixed water temperature is in the first set temperature range.
8. The stalk dipping machine production water energy-saving device according to claim 1, characterized in that: the water supply unit (2) comprises a water main (21) connected with a water source and a fifth stop valve (22) installed on the water main (21), and the fifth stop valve (22) is communicated with the mixing unit (5).
9. The stalk dipping machine production water energy-saving device according to any one of claims 1 to 8, wherein: the heating unit (3) comprises a steam pipeline (31) communicated with a steam source, and a sixth stop valve (32) and a membrane valve (33) which are installed on the steam pipeline (31);
the membrane valve (33) is used for controlling the steam quantity.
10. The stalk dipping machine production water energy-saving device according to claim 9, wherein: the heating unit (3) further comprises a pressure reducing valve (34), the pressure reducing valve (34) being mounted between the fifth shut-off valve (22) and the membrane valve (33); the pressure reducing valve (34) is arranged to reduce the pressure of the steam entering the membrane valve (33).
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| CN201911122132.0A CN110881680A (en) | 2019-11-15 | 2019-11-15 | Stalk soaking machine water for production economizer |
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| CN201911122132.0A CN110881680A (en) | 2019-11-15 | 2019-11-15 | Stalk soaking machine water for production economizer |
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| CN204281287U (en) * | 2014-11-03 | 2015-04-22 | 湖南中烟工业有限责任公司 | Stalk machine priming apparatus is steamed in a kind of throwing |
| CN204812008U (en) * | 2015-07-06 | 2015-12-02 | 河南中烟工业有限责任公司 | Offal processing apparatus |
| CN206963977U (en) * | 2017-03-31 | 2018-02-06 | 邝勇兴 | A kind of hot mist humidification system of constant temperature waterworks and high-pressure constant temp |
| CN207220141U (en) * | 2017-08-21 | 2018-04-13 | 厦门烟草工业有限责任公司 | One kind is using recovered steam condensation washing offal device |
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