CN219217929U

CN219217929U - Steam energy-saving control device applied to DTDC

Info

Publication number: CN219217929U
Application number: CN202320037800.5U
Authority: CN
Inventors: 易宇瑛; 尹淼; 周瑜红
Original assignee: WUHAN FRIENDSHIP FOOD ENGINEERING CO LTD
Current assignee: WUHAN FRIENDSHIP FOOD ENGINEERING CO LTD
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-20
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to the technical field of bean pulp processing, and provides a steam energy-saving control device applied to a DTDC (digital television) and comprises a DTDC steaming tower, a steam condensate exhaust steam flash generator, a condensate water storage tank, a waste water steaming tank, a water pump, a condenser, an air pump, a water mist spraying device, a first pipeline, a second pipeline, a third pipeline, a first monitoring device arranged in the steaming layer of the DTDC steaming tower, a second monitoring device arranged in the dewatering and drying layer of the DTDC steaming tower and a controller in signal connection with the first monitoring device and the second monitoring device; by monitoring the temperature and air pressure in the distillation layer, when the temperature in the distillation layer is too high, the condenser can cool the high-temperature steam, and when the air pressure in the distillation layer is too low, the high-temperature steam can directly enter the distillation layer, so that the problem that the temperature and the air pressure of the steam of the DTDC distillation layer cannot be controlled simultaneously in the related art is solved.

Description

Steam energy-saving control device applied to DTDC

Technical Field

The utility model relates to the technical field of bean pulp processing, in particular to a steam energy-saving control device applied to DTDC.

Background

The soybean meal is a byproduct obtained after soybean oil is extracted from soybeans, and the one-leaching soybean meal obtained after the soybean oil is extracted by a leaching method has high protein content and is a main variety circulated in the current market in China. As a high protein material, soybean meal is the main material for making livestock and poultry feeds. The soybean meal processed by the leaching method is processed by a DTDC (draw-off direct current) steam-off machine. According to the national standard, the soybean meal is classified into three grades: primary soybean meal, secondary soybean meal and tertiary soybean meal. The protein and moisture content in the bean pulp with different grades are different, and the moisture content in the bean pulp processed by the DTDC evaporator needs to be reasonably controlled during processing according to the different grades of the bean pulp.

The utility model discloses a DTDC steam-off machine bean pulp moisture regulation structure as in patent number 201520007601.5, including the DTDC steam-off machine, the upper portion of DTDC steam-off machine is equipped with the delamination layer, the delamination layer is equipped with steam input pipeline, the well lower part of DTDC steam-off machine is equipped with the dehydration layer, the bottom of DTDC steam-off machine is equipped with the ejection of compact section of output bean pulp, be equipped with water smoke spray set in the dehydration layer of DTDC steam-off machine, water smoke spray set's water inlet is connected a water pump, the water pump links to each other with a waste water cooking pot, waste water cooking pot links to each other with the waste water exhaust export of a steam condensate exhaust flash vessel again, steam condensate exhaust flash vessel's input connection steam condensate exhaust steam input pipeline, steam condensate exhaust flash vessel's bottom is equipped with the comdenstion water output interface, comdenstion water output interface links to a comdenstion water storage tank.

However, the prior art has the following problems found in the implementation of the related art: in the prior art, the moisture in the soybean meal in the dehydration drying layer is controlled and regulated by utilizing steam condensate water and exhaust steam resources, however, in the actual production process, the steam temperature and air pressure of the DTDC steam stripping layer also influence the steam stripping efficiency and the production quality of the soybean meal, and the control of the steam temperature and air pressure of the DTDC steam stripping layer cannot be simultaneously considered in the prior art, so that the steam and exhaust steam resource utilization is not optimized.

Disclosure of Invention

The utility model provides a steam energy-saving control device applied to DTDC, which solves the problem that the control of the steam temperature and the air pressure of a DTDC steaming and separating layer cannot be simultaneously considered in the related technology.

The technical scheme of the utility model is as follows: the utility model provides a be applied to energy-conserving controlling means of steam of DTDC, including DTDC evaporate the tower, steam condensate exhaust flash vessel, the comdenstion water storage tank, waste water cooking pot, the water pump, the condenser, the air pump, water smoke spray set, first pipeline, the second pipeline, the third pipeline, set up the first monitoring device in the DTDC evaporate the tower evaporate the in situ, the second monitoring device in the dry layer of DTDC evaporate the tower, and with first monitoring device and second monitoring device signal connection's controller, the comdenstion water outlet end of steam condensate exhaust flash vessel is connected with the inlet end of comdenstion water storage tank, the steam output end and the first pipeline of steam condensate exhaust flash vessel are connected, the first pipeline is connected with first pipeline through the steam delamination of air pump and DTDC evaporate the tower, the other end and the steam input end of waste water pot are connected through the second pipeline, the one end of third pipeline is connected with the second pipeline through the second coupling, the other end and the water smoke spray set up the dry end of DC evaporate the water inlet end of tower, the dry end of the dry layer is connected with the water smoke spray set up in the water smoke steam tower.

Preferably, a third valve body is arranged on a connecting pipeline between the air pump output end and the DTDC distillation column distillation layer, the third valve body is a one-way air valve, and the circulation direction of the third valve body is that the air pump output end is transmitted to the DTDC distillation column distillation layer.

Preferably, a fourth valve body is arranged on a connecting pipeline of the third pipeline and the DTDC distillation column distillation layer, the fourth valve body is a one-way air valve, and the circulation direction of the third valve body is that the DTDC distillation column distillation layer is conveyed to the third pipeline.

Preferably, a fifth valve body is arranged on a connecting pipeline between the output end of the water pump and the input end of the water mist spraying device, the fifth valve body is a one-way liquid valve, and the circulation direction of the fifth valve body is that the output end of the water pump is conveyed to the water mist spraying device.

Preferably, the first monitoring device comprises a temperature sensor and an air pressure sensor, the signal output ends of the temperature sensor and the air pressure sensor are connected with the signal input end of the controller, the heating signal output end of the controller is connected with the signal input end of the second valve body, and the air pressure signal output end of the controller is connected with the signal input ends of the third valve body and the fourth valve body.

The second monitoring device comprises a humidity sensor, a signal output end of the humidity sensor is connected with a signal input end of the controller, and a humidity signal output end of the controller is connected with a signal input end of the fifth valve body.

Preferably, a first valve body is arranged on a second pipeline between the first three-way pipe joint and the second three-way pipe joint, the first valve body is a one-way air valve, and the flowing direction of the first valve body is that the first pipeline is conveyed to the second pipeline.

Preferably, the second valve body is a reversing valve, and the second valve body has two working states.

Preferably, the second valve body in the first working state is to directly communicate the first pipeline input steam with the distillation layer of the DTDC distillation tower.

Preferably, the second valve body is in a second working state and is communicated with the steam-distilling layer of the DTDC distillation tower after the first pipeline is input with steam to pass through the condenser.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, through monitoring the temperature and the air pressure in the DTDC stripping layer, when the temperature in the DTDC stripping layer is too high, the second valve body can be controlled to switch the flow path, meanwhile, the third valve body is opened, so that the first pipeline is input into the condenser, the high-temperature steam is cooled by the condenser and then is conveyed into the DTDC stripping layer through the air pump, the temperature in the DTDC stripping layer is further reduced, when the air pressure in the DTDC stripping layer is too low, the second valve body can be controlled to keep the first pipeline communicated with the air pump, the third valve body is opened, the high-temperature steam introduced by the steam condensate exhaust steam flash evaporator can directly enter the DTDC stripping layer, when the air pressure in the DTDC stripping layer is too high, the steam in the DTDC stripping layer can be controlled to enter the waste water boiling tank through the third pipeline and the second pipeline, and the waste water in the waste water boiling tank is heated, and the problem that the temperature and the air pressure of the DTDC stripping layer cannot be simultaneously controlled in the related art is solved;

2. according to the utility model, the waste water in the condensate storage tank can be heated and reused by discharging the redundant steam in the distillation layer of the DTDC distillation tower into the condensate storage tank, so that the steam is effectively utilized, and the method has the positive significance of energy conservation and environmental protection.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic diagram of a steam energy-saving control device applied to DTDC according to the present utility model;

FIG. 2 is a schematic diagram of the temperature and pressure control principle in the distillation layer of the DTDC distillation column according to the present utility model;

fig. 3 is a schematic diagram of the principle of humidity control in the dehydration drying layer of the DTDC distillation tower according to the present utility model;

in the figure: 1. a DTDC distillation column; 2. a steam condensate exhaust flash generator; 3. a condensed water storage tank; 4. a waste water cooking tank; 5. a water pump; 6. a condenser; 7. an air pump; 8. a water mist spraying device; 9. a first pipeline; 10. a second pipeline; 11. a third pipeline; 12. a first three-way pipe joint; 13. a first valve body; 14. a second valve body; 15. a third valve body; 16. a fourth valve body; 17. a fifth valve body; 18. a second three-way pipe joint; 19. a temperature sensor; 20. a humidity sensor; 21. an air pressure sensor; 22. and a controller.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present utility model provides a technical solution: a steam energy-saving control device applied to DTDC comprises a DTDC steaming tower 1, a steam condensate dead steam flash evaporator 2, a condensate storage tank 3, a waste water steaming tank 4, a water pump 5, a condenser 6, an air pump 7, a water mist spraying device 8, a first pipeline 9, a second pipeline 10, a third pipeline 11, a first monitoring device arranged in the steaming layer of the DTDC steaming tower 1, a second monitoring device arranged in the dewatering and drying layer of the DTDC steaming tower 1, and a controller 22 in signal connection with the first monitoring device and the first monitoring device, wherein the condensate water outlet end of the steam condensate dead steam flash evaporator 2 is connected with the water inlet end of the condensate storage tank 3, the steam output end of the steam condensate dead steam flash evaporator 2 is connected with the first pipeline 9, the first pipeline 9 is connected with the steaming layer of the DTDC steaming tower 1 through the air pump 7, one end of a second pipeline 10 is connected with a first pipeline 9 through a first three-way pipe joint 12, the other end of the second pipeline 10 is connected with a steam input end of a waste water cooking tank 4, waste water is produced by steaming and dehydrating soybean meal in the waste water cooking tank 4, waste water soaked after the waste water meets the production quality requirement is sterilized, one end of a third pipeline 11 is connected with the second pipeline 10 through a second three-way pipe joint 18, the other end of the third pipeline 11 is connected with a steaming layer of a DTDC steaming and dehydrating tower 1, a water mist spraying device 8 is arranged in a dehydration drying layer of the DTDC steaming and dehydrating tower 1, a water outlet end of the waste water cooking tank 4 is connected with an input end of the water mist spraying device 8 through a water pump 5 in the dehydration drying layer, the water mist spraying device 8 can spray the waste water input by the waste water cooking tank 4 in the dehydration drying layer after atomizing, atomize the soybean meal, improve the water content, and close the transportation after the water content requirement is met, the water inlet end of the condenser 6 is connected with the first pipeline 9 through the second valve body 14, the second valve body 14 is a reversing valve, the second valve body 14 has two working states, the second valve body 14 directly communicates the steam input by the first pipeline 9 with the steam-stripping layer of the DTDC steam-stripping tower 1 in the first working state, and the second valve body 14 communicates the steam input by the first pipeline 9 with the steam-stripping layer of the DTDC steam-stripping tower 1 after passing through the condenser 6 in the second working state, and the water outlet end of the condenser 6 is connected with the input end of the air pump 7.

The first monitoring device comprises a temperature sensor 19 and an air pressure sensor 21, the signal output end of the temperature sensor 19 and the air pressure sensor 21 is connected with the signal input end of a controller 22, the heating signal output end of the controller 22 is connected with the signal input end of a second valve body 14, the air pressure signal output end of the controller 22 is connected with the signal input ends of a third valve body 15 and a fourth valve body 16, the second monitoring device comprises a humidity sensor 20, the signal output end of the humidity sensor 20 is connected with the signal input end of the controller 22, and the humidity signal output end of the controller 22 is connected with the signal input end of a fifth valve body 17.

The third valve body 15 is arranged on a connecting pipeline between the output end of the air pump 7 and the distillation layer of the DTDC distillation tower 1, the third valve body 15 is a one-way air valve, the circulation direction of the third valve body 15 is that the output end of the air pump 7 is transmitted to the distillation layer of the DTDC distillation tower 1, the temperature and the air pressure in the distillation layer of the DTDC distillation tower 1 are monitored in real time through the temperature sensor 19 and the air pressure sensor 21, when the temperature in the distillation layer of the DTDC distillation tower 1 is too high, a signal can be transmitted to the controller 22 through the temperature sensor 19 for feedback, then the controller 22 transmits a control signal to the second valve body 14 and the third valve body 15, so that the second valve body 14 switches the circulation path, simultaneously, the third valve body 15 is opened, the first pipeline 9 is enabled to input steam into the condenser 6, the condenser 6 is enabled to cool the high-temperature steam, then the temperature is transmitted into the distillation layer of the DTDC distillation tower 1 through the air pump 7, the temperature in the distillation layer of the DTDC distillation tower 1 is further reduced, after the temperature in the distillation layer of the DTDC distillation tower 1 is over, the second valve body 14 is enabled to switch the initial path and the third valve body 15 is enabled to be switched after the temperature in the distillation layer of the DTDC distillation tower 1 reaches the standard, and the third valve body 15 is switched.

The connecting pipeline of the third pipeline 11 and the distillation layer of the DTDC distillation tower 1 is provided with a fourth valve 16, the fourth valve 16 is a one-way air valve, the circulation direction of the third valve 15 is that the distillation layer of the DTDC distillation tower 1 is conveyed to the third pipeline 11, when the internal air pressure of the distillation layer of the DTDC distillation tower 1 is too low, a signal can be sent to a controller 22 through an air pressure sensor 21 for feedback, then the controller 22 sends a control signal to the second valve 14 and the third valve 15, the second valve 14 keeps the communication between the first pipeline 9 and the air pump 7, the third valve 15 is opened, high-temperature steam introduced by the waste steam flash evaporator 2 can directly enter the distillation layer of the DTDC distillation tower 1 until the internal air pressure of the distillation layer of the DTDC distillation tower 1 is stabilized, the third valve 15 can be closed, when the internal air pressure of the distillation layer of the DTDC distillation tower 1 is too high, the air pressure sensor 21 can send a signal to the controller 22 for feedback, then the controller 22 sends a control signal to the fourth valve 16, the DTDC distillation tower 1 can pass through the third valve 14 and the third valve 11 and the fourth valve 15, the waste water can reach the standard, and the waste water can reach the standard after the waste water reaches the standard, and the third distillation tower 1, and the waste water can reach the standard and reach the standard, and the standard is heated in the third distillation tower 4, and the distillation tower 1, and the waste water can reach the standard and the waste water is cooled by the distillation tower 4.

A fifth valve body 17 is arranged on a connecting pipeline between the output end of the water pump 5 and the input end of the water mist spraying device 8, the fifth valve body 17 is a one-way liquid valve, the circulation direction of the fifth valve body 17 is that the output end of the water pump 5 is conveyed to the water mist spraying device 8, the humidity condition in the dehydration drying layer of the DTDC steaming tower 1 is monitored in real time through a humidity sensor 20, when the humidity in the dehydration drying layer of the DTDC steaming tower 1 is lower, a signal can be sent to a controller 22 through the humidity sensor 20 for feedback, then a control signal is sent to the fifth valve body 17 through the controller 22, the wastewater heated by the wastewater steaming tank 4 is conveyed to the water mist spraying device 8 through the water pump 5, atomized by the water mist spraying device 8 and sprayed into the dehydration drying layer of the DTDC steaming tower 1, the moisture of bean pulp is further improved, and the fifth valve body 17 is closed until the humidity in the dehydration drying layer of the DTDC steaming tower 1 reaches the standard.

The first valve body 13 is arranged on the second pipeline 10 between the first three-way pipe joint 12 and the second three-way pipe joint 18, the first valve body 13 is a one-way air valve, the first valve body 13 is in the flowing direction of the first pipeline 9 and is conveyed to the second pipeline 10, so that the steam is prevented from flowing reversely, and the unnecessary steam in the distilled layer of the DTDC distillation tower 1 can be discharged into the condensate water storage tank 3 to heat and reuse the waste water in the condensate water storage tank 3, thereby effectively utilizing the steam and having the positive significance of energy conservation and environmental protection.

The working principle and the using flow of the utility model are as follows: during operation, the temperature and the air pressure in the distillation layer of the DTDC distillation tower 1 are monitored in real time through the temperature sensor 19 and the air pressure sensor 21, when the temperature in the distillation layer of the DTDC distillation tower 1 is too high, a signal can be sent to the controller 22 through the temperature sensor 19 for feedback, then a control signal is sent to the second valve body 14 and the third valve body 15 through the controller 22, so that the second valve body 14 switches the flow path, the third valve body 15 is opened, the first pipeline 9 inputs steam into the condenser 6, the condenser 6 cools the high-temperature steam, and then the steam is conveyed into the distillation layer of the DTDC distillation tower 1 through the air pump 7, so that the temperature in the distillation layer of the DTDC distillation tower 1 is reduced, and after the temperature in the distillation layer of the DTDC distillation tower 1 reaches the standard, the second valve body 14 is switched back to the initial path and the third valve body 15 is closed;

when the pressure in the steam layer of the DTDC steam stripping tower 1 is too low, a signal can be sent to a controller 22 through a pressure sensor 21 for feedback, then a control signal is sent to a second valve body 14 and a third valve body 15 through the controller 22, the second valve body 14 keeps the communication between a first pipeline 9 and an air pump 7, the third valve body 15 is opened, high-temperature steam introduced by a steam condensate exhaust steam flash evaporator 2 can directly enter the steam layer of the DTDC steam stripping tower 1 until the pressure in the steam layer of the DTDC steam stripping tower 1 is stable, the third valve body 15 is closed, when the pressure in the steam layer of the DTDC steam stripping tower 1 is too high, a signal can be sent to the controller 22 for feedback through the pressure sensor 21, then a control signal is sent to a fourth valve body 16 through the controller 22, so that the steam in the steam layer of the DTDC steam stripping tower 1 can enter the waste water steam pot 4 through a third pipeline 11 and a second pipeline 10, waste water in the waste water steam pot 4 is heated, and after the pressure in the steam layer of the DTDC steam stripping tower 1 reaches the standard, the fourth valve body 16 can be closed;

the humidity in the dehydration drying layer of the DTDC steaming tower 1 is monitored in real time through the humidity sensor 20, when the humidity in the dehydration drying layer of the DTDC steaming tower 1 is low, the humidity sensor 20 can send a signal to the controller 22 for feedback, then the controller 22 sends a control signal to the fifth valve body 17, the wastewater heated by the wastewater steaming tank 4 is conveyed to the water mist spraying device 8 through the water pump 5, the water mist spraying device 8 atomizes the wastewater and then sprays the wastewater into the dehydration drying layer of the DTDC steaming tower 1, the moisture of soybean meal is further improved, and the fifth valve body 17 is closed after the humidity in the dehydration drying layer of the DTDC steaming tower 1 reaches the standard.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a be applied to energy-conserving controlling means of steam of DTDC, a serial communication port, including DTDC steaming tower (1), steam condensate exhaust steam flash vessel (2), comdenstion water storage tank (3), waste water cooking pot (4), water pump (5), condenser (6), air pump (7), water smoke spray device (8), first pipeline (9), second pipeline (10), third pipeline (11), set up the first monitoring devices in the steaming layer of DTDC steaming tower (1), set up the second monitoring devices in the dehydration drying layer of DTDC steaming tower (1), and controller (22) with first monitoring devices and second monitoring devices signal connection, the comdenstion water outlet end of steam condensate exhaust steam flash vessel (2) is connected with the inlet end of comdenstion water storage tank (3), the steam output end of steam condensate exhaust steam flash vessel (2) is connected with first pipeline (9), first pipeline (9) are connected through air pump (7) and delamination in the steaming layer of DTDC steaming tower (1), second pipeline (10) are connected with the tee bend (10) through first pipeline (10) and tee bend (10) are connected with the other end of tee bend (10) through first pipeline (10), the other end of the third pipeline (11) is connected with a distillation layer of the DTDC distillation tower (1), the water mist spraying device (8) is arranged in a dehydration drying layer of the DTDC distillation tower (1), the water outlet end of the wastewater distillation tank (4) is connected with the input end of the water mist spraying device (8) connected in the dehydration drying layer through a water pump (5), the water inlet end of the condenser (6) is connected with the first pipeline (9) through a second valve body (14), and the water outlet end of the condenser (6) is connected with the input end of the air pump (7).

2. The steam energy-saving control device applied to the DTDC according to claim 1, wherein a third valve body (15) is arranged on a connecting pipeline between the output end of the air pump (7) and the distillation layer of the DTDC distillation tower (1), the third valve body (15) is a one-way air valve, and the circulation direction of the third valve body (15) is that the output end of the air pump (7) is transmitted to the distillation layer of the DTDC distillation tower (1).

3. The steam energy-saving control device applied to the DTDC according to claim 2, wherein a fourth valve body (16) is arranged on a connecting pipeline of the third pipeline (11) and the distillation layer of the DTDC distillation tower (1), the fourth valve body (16) is a one-way air valve, and the circulation direction of the third valve body (15) is that the distillation layer of the DTDC distillation tower (1) is conveyed to the third pipeline (11).

4. The steam energy-saving control device applied to DTDC according to claim 3, wherein a fifth valve body (17) is arranged on a connecting pipeline of the output end of the water pump (5) and the input end of the water mist spraying device (8), the fifth valve body (17) is a one-way liquid valve, and the circulation direction of the fifth valve body (17) is that the output end of the water pump (5) is conveyed to the water mist spraying device (8).

5. The steam energy-saving control device applied to the DTDC according to claim 4, wherein the first monitoring device comprises a temperature sensor (19) and a gas pressure sensor (21), a signal output end of the temperature sensor (19) and the gas pressure sensor (21) is connected with a signal input end of a controller (22), a heating signal output end of the controller (22) is connected with a signal input end of a second valve body (14), and a gas pressure signal output end of the controller (22) is connected with signal input ends of a third valve body (15) and a fourth valve body (16).

6. The steam power saving control device applied to DTDC according to claim 4, wherein the second monitoring device comprises a humidity sensor (20), a signal output end of the humidity sensor (20) is connected with a signal input end of a controller (22), and a humidity signal output end of the controller (22) is connected with a signal input end of a fifth valve body (17).

7. The steam energy-saving control device applied to the DTDC according to claim 1, wherein a first valve body (13) is arranged on a second pipeline (10) between the first three-way pipe joint (12) and the second three-way pipe joint (18), the first valve body (13) is a one-way air valve, and the flowing direction of the first valve body (13) is that the first pipeline (9) is conveyed to the second pipeline (10).

8. The steam power saving control device applied to DTDC according to claim 1, wherein the second valve body (14) is a reversing valve, and the second valve body (14) has two working states.

9. A steam power saving control device for DTDC according to claim 8, characterized in that the second valve body (14) in the first operating state is to directly communicate the first pipe (9) input steam with the vapour phase of the DTDC vapour stripping column (1).

10. A steam energy saving control device applied to DTDC as claimed in claim 8, characterized in that the second valve body (14) is in a second working state in which the first pipeline (9) is connected to the steam distillation layer of the DTDC distillation column (1) after the steam is fed through the condenser (6).