CN217547234U

CN217547234U - Tobacco water adding device

Info

Publication number: CN217547234U
Application number: CN202221442097.8U
Authority: CN
Inventors: 汪平; 姜黎明; 郭伟; 江铭; 何俊
Original assignee: China Tobacco Sichuan Industrial Co Ltd
Current assignee: China Tobacco Sichuan Industrial Co Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-11
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a tobacco water adding device, which comprises a water pressure stabilizing component and a water adding flow control component which are connected into a tap water pipeline, and an injection steam pressure control component which is connected into a steam pipeline, wherein the water pressure stabilizing component detects the pressure value of tap water through a first pressure sensor so as to adjust the rotating speed of a direct-current water pump; the water adding flow control assembly detects the water adding flow through the mass flow meter to adjust the first electric positioner so as to adjust the opening of the pneumatic film control valve; the injection steam pressure control assembly detects a steam pressure value through the second pressure sensor to adjust the second electric positioner, and then the opening degree of the pneumatic film control valve is adjusted. Through the utility model discloses a PID regulator and PLC controller control, realize the control to tap water and steam flow to corresponding control accuracy has been improved.

Description

Tobacco water adding device

Technical Field

The utility model relates to a cigarette throwing processing equipment technical field specifically is a tobacco adds water installation.

Background

In the process of cigarette making, water is required to be applied to the product in order to improve the processing resistance and the sensory quality of the product, and therefore, a water adding device is installed in a plurality of process devices to realize the function.

Currently, the following two approaches are mainly adopted:

one is that the water adding function is realized by the configuration modes of a water tank, a gear pump controlled by a variable frequency motor, an electromagnetic flowmeter, a steam injection pipeline, a double-medium nozzle and the like;

and the other mode adopts the configuration modes of a tap water access stop valve, glass rotor flow, a steam injection pipeline, a double-medium nozzle and the like to realize the water adding function.

The two water adding modes have the problems of low water adding amount metering precision, low water adding control precision, low injection steam pressure control precision, difficult data acquisition and the like; particularly, the second mode also has the problems that tap water pressure fluctuation influences the water adding control precision and the opening degree of a manual adjusting stop valve, and the automation degree of the water adding flow control is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a tobacco water adding device, which enables the tobacco water adding on-line device to have the characteristics of high metering precision, high control precision and convenient data acquisition.

In order to achieve the above object, the utility model provides a following technical scheme:

a tobacco water adding device comprises a water pressure stabilizing assembly and a water adding flow control assembly which are connected into a tap water pipeline, and an injection steam pressure control assembly which is connected into a steam pipeline, wherein the water pressure stabilizing assembly comprises a direct-current water pump and a first pressure sensor which are connected, and the first pressure sensor is used for detecting the pressure value of tap water so as to adjust the rotating speed of the direct-current water pump; the water adding flow control assembly comprises a pneumatic film control valve, a first electric positioner and a mass flow meter which are connected, the first electric positioner is adjusted by detecting the water adding flow through the mass flow meter, and the opening degree of the pneumatic film control valve is further adjusted; the injection steam pressure control assembly comprises a pneumatic film control valve, a second electric positioner and a second pressure sensor which are connected, and the steam pressure value is detected through the second pressure sensor so as to adjust the second electric positioner and further adjust the opening degree of the pneumatic film control valve.

As another preferred embodiment, the water pressure stabilizing assembly, the water adding flow control assembly and the injection steam pressure control assembly are respectively connected with a PID regulator, and are connected with the PLC controller through the PID regulators.

As another preferred embodiment, the water pressure stabilizing assembly further comprises a first stop valve, a first filter and a water storage tank, and the first stop valve, the first filter and the water storage tank are sequentially arranged between the tap water inlet and the direct-flow water pump.

As another preferred embodiment, the water storage tank is provided with an observation window.

In another preferred embodiment, the water storage tank is connected with a second stop valve for controlling the discharge of the water source in the water storage tank.

In another preferred embodiment, the watering flow control assembly further comprises a pneumatic ball valve disposed between the first electrical positioner and the mass flow meter.

In another preferred embodiment, the injection steam pressure control assembly further includes a third stop valve, a second filter, and a pneumatic membrane valve, and the third stop valve, the second filter, and the pneumatic membrane valve are sequentially disposed between the steam inlet and the second electric positioner.

In another preferred embodiment, the tail ends of the injection steam pressure control assembly and the water adding flow control assembly are connected with a double-medium nozzle.

As another preferred embodiment, a monitoring screen is arranged on the PLC controller, and the monitoring screen displays a set value of water pressure, a set value of water adding flow rate, and a set value of injection steam.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The influence of water source pressure fluctuation on the control precision of the tobacco water adding device is avoided, and the control precision of the water adding flow is improved; (2) The control precision of the injection steam pressure component is improved; (3) The metering precision of the water adding flow of the tobacco water adding device is improved; (4) The automation degree of the tobacco water adding device is improved, and the data acquisition of the water adding system is realized; and (5) selecting a plurality of control modes of the water adding flow.

Drawings

Fig. 1 is a schematic connection diagram of a tobacco watering device according to an embodiment of the present invention.

Reference numerals:

1. a first shut-off valve; 2. a first filter; 3. a water storage tank; 4. a second stop valve; 5. an observation window; 6. a direct current water pump; 7. a first pressure sensor; 8. a pneumatic diaphragm control valve; 9. a first electrical locator; 10. a pneumatic ball valve; 11. a mass flow meter; 12. a third stop valve; 13. a second filter; 14. a pneumatic diaphragm valve; 15. a pneumatic diaphragm control valve; 16. a second electrical locator; 17. a second pressure sensor; 18. a dual media nozzle; 19. a first PID regulator; 20. a second PID regulator; 21. a third PID regulator; and 22, PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figure 1, the tobacco watering device mainly comprises a water pressure stabilizing assembly and a watering flow control assembly which are connected into a tap water pipeline, and an injection steam pressure control assembly which is connected into a steam pipeline.

Specifically, in this embodiment, the water pressure stabilizing assembly includes a tap water pipeline connected to the system, and a first stop valve 1, a first filter 2, a water storage tank 3, a direct current water pump 6, a first pressure sensor 7, and the like, which are sequentially disposed along a tap water inlet end, wherein an observation window 5 is disposed on the water storage tank 3, and observation of a water level in the water storage tank is achieved through the observation window 5; the water storage tank 3 is also connected with a second stop valve 4 for discharging a water source in the water tank; in the operation process, the first stop valve 1 is used for opening and closing a tap water source, impurities in the tap water are filtered by the first filter, the filtered tap water is stored in the water storage tank and the pressure of the tap water is kept, the direct-current water pump 6 and the first pressure sensor 7 are respectively connected with the first PID regulator, the direct-current water pump is used as an execution element of the water pressure stabilizing component, and the pressure sensor is used as a detection element of the water pressure stabilizing component to realize the pressure regulation of the tap water, so that the water pressure is stabilized.

In this embodiment, the water feeding flow control assembly comprises a pneumatic membrane control valve 8, a first electrical locator 9, a pneumatic ball valve 10, a mass flow meter 11 and other components, wherein the pneumatic membrane control valve 8 and the first electrical locator 9 are used as an execution element of the water feeding flow control assembly, and the mass flow meter 11 of the detection element of the water feeding flow control assembly are both connected with a second PID regulator, and the control of the water feeding flow is realized through the second PID regulator; the pneumatic membrane control valve 8 has the flow control characteristic of equal percentage, and the pneumatic ball valve 10 realizes the pre-filling of a water filling pipeline, ensures the accurate measurement of the water flowing through the mass flow meter 11 and is synchronously added into the tobacco; the pneumatic ball valve 10 is arranged between an actuating element of the water filling flow control assembly and a detecting element of the water filling flow control assembly.

In this embodiment, the injection steam pressure control assembly comprises a steam pipeline connected to the system, and a third stop valve 12, a second filter 13, a pneumatic membrane valve 14, a second electrical positioner 16, a second pressure sensor 17 and a dual-medium nozzle 18 which are sequentially arranged along a steam inlet end, wherein during operation, the third stop valve 12 is used for opening and closing a steam source, impurities in steam are filtered through the second filter 13, the pneumatic membrane valve is used for automatically controlling the opening and closing of the steam, the second electrical positioner 16 is connected with a pneumatic membrane control valve 15 with equal-percentage flow control characteristics, the second electrical positioner 16 and the pneumatic membrane control valve 15 are used as execution elements of the injection steam pressure control assembly, and a detection element of the injection steam pressure control assembly, namely the second pressure sensor 17, is respectively connected with a third PID regulator, so as to control the injection steam pressure; the double-medium nozzle 18 is used for injecting steam to atomize the water applied to the tobacco leaves.

Preferably, the dual medium nozzle 18 of the present embodiment is also connected to the outlet end of tap water to release tap water and steam for addition to the tobacco leaf.

The control method of the tobacco watering device of the embodiment is further explained as follows:

the first PID regulator 19, the second PID regulator 20 and the third PID regulator 21 of the embodiment are connected with the PLC controller 22; the PLC is provided with a monitoring screen, a water pressure set value, a water adding flow set value and an injection steam set value of the water pressure stabilizing assembly can be displayed on the monitoring screen, and the PLC adjusts the rotating speed of the direct-current water pump 6 according to the size of a pressure value detected by the first pressure sensor 7, so that the actual value of the water pressure meets the requirement of the set value; the PLC adjusts a signal of the first electric positioner 9 according to the water adding flow detected by the mass flowmeter 11, and further adjusts the opening of the pneumatic film control valve 8, so that the actual value of the water adding flow meets the requirement of a set value; the PLC adjusts the signal of the second electric positioner 16 according to the pressure value detected by the second pressure sensor 17, and further adjusts the opening degree of the pneumatic film control valve 15, so that the actual value of the steam pressure meets the requirement of a set value.

Through the tobacco water adding device, the stability of the pressure of the tap water is realized by utilizing the PID loop control, the influence of the water source pressure fluctuation on the control precision of the water adding device is avoided, and the control precision of the water adding flow is improved; the accuracy of injection steam pressure control is also improved; the high-precision mass flowmeter is adopted, and the flow precision of the water adding device water adding flowmeter is improved by more than 2 times; all key elements select analog signal output or bus instruments, so that the data of the water adding system is comprehensively collected; the selection and use of a fixed ratio and fixed quantity control mode are realized on the control program.

Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tobacco water adding device is characterized by comprising a water pressure stabilizing assembly and a water adding flow control assembly which are connected into a tap water pipeline, and an injection steam pressure control assembly which is connected into a steam pipeline, wherein the water pressure stabilizing assembly comprises a direct-current water pump and a first pressure sensor which are connected, and the first pressure sensor is used for detecting the pressure value of tap water so as to adjust the rotating speed of the direct-current water pump; the water adding flow control assembly comprises a pneumatic film control valve, a first electric positioner and a mass flow meter which are connected, the first electric positioner is adjusted by detecting the water adding flow through the mass flow meter, and the opening degree of the pneumatic film control valve is further adjusted; the injection steam pressure control assembly comprises a pneumatic film control valve, a second electric positioner and a second pressure sensor which are connected, and the second pressure sensor is used for detecting the steam pressure value so as to adjust the second electric positioner and further adjust the opening of the pneumatic film control valve.

2. The tobacco watering device according to claim 1, wherein the water pressure stabilizing assembly, the watering flow control assembly and the injection steam pressure control assembly are respectively connected with a PID regulator and are connected with the PLC controller through the PID regulators.

3. The tobacco watering device according to claim 1 or 2, wherein the water pressure stabilizing assembly further comprises a first stop valve, a first filter and a water storage tank, and the first stop valve, the first filter and the water storage tank are sequentially arranged between the tap water inlet and the direct-flow water pump.

4. A tobacco watering apparatus according to claim 3, wherein the reservoir is provided with a viewing window.

5. A tobacco watering apparatus according to claim 3, wherein the reservoir is connected to a second shut-off valve which controls the discharge of a source of water from the reservoir.

6. The tobacco watering device of claim 1 or 2, wherein the watering flow control assembly further comprises a pneumatic ball valve disposed between the first electrical positioner and the mass flow meter.

7. A tobacco watering apparatus according to claim 1 or claim 2, wherein the injection steam pressure control assembly further comprises a third shut-off valve, a second filter and a pneumatic membrane valve, the third shut-off valve, the second filter and the pneumatic membrane valve being arranged in sequence between the steam inlet and the second electrical positioner.

8. The tobacco watering device according to claim 1 or 2, wherein the end of the injection steam pressure control assembly and the end of the watering flow control assembly are connected with a double-medium nozzle.

9. The tobacco watering device according to claim 2, wherein a monitoring screen is arranged on the PLC, and a water pressure set value, a watering flow set value and an injection steam set value are displayed on the monitoring screen.