Tobacco stem washing equipment capable of being sprayed and washed and tobacco stem pretreatment equipment

Abstract

The utility model discloses stem washing equipment capable of being sprayed and washed and tobacco stem pretreatment equipment, and relates to the technical field of washing. The stem washing equipment comprises a conveying device, a water tank, a conveying mesh belt, a transmission device and a washing nozzle; the bottom of the water tank is provided with a drain outlet, a valve is arranged at the drain outlet, the transmission device is connected with the conveying mesh belt and used for driving the conveying mesh belt to convey tobacco stem raw materials, the conveying mesh belt is obliquely arranged, the feeding end of the conveying mesh belt is located in the water tank, and the cleaning nozzle is arranged above the conveying mesh belt. The discharging end of the conveying device is located at the feeding end of the conveying mesh belt and above the water tank. The valve is used for controlling the water level of the water tank, and one of three stem washing processes including stem washing through the water tank, stem washing through the washing nozzle or stem washing through the water tank and stem washing through the washing nozzle can be selected, so that the tobacco stem washing device is suitable for washing tobacco stems with different forms and different water contents.

Description

Technical Field

[0001] This application relates to the technical field of cleaning, and particularly to a stem washing device that can be rinsed and washed and a tobacco stem pretreatment device. Background Art

[0002] In the traditional tobacco stem processing technology, re-dried tobacco stems are generally used. After being humidified and heated by a water tank type tobacco stem humidifying machine, they enter the subsequent processes. Due to the complex processing flow and high energy consumption of the traditional tobacco stem processing technology, with the industry's emphasis on energy conservation, consumption reduction, and green and low-carbon, it has gradually been promoted to make fresh tobacco stems after threshing into flakes in the threshing and redrying link, and cigarette enterprises directly use the flaky tobacco stems as tobacco stem raw materials. The flaky tobacco stems have a loose tissue structure, cracked epidermis, and good moisture absorption and release characteristics. If the traditional water tank type tobacco stem humidifying machine is used for tobacco stem humidification, the flaky tobacco stems enter the humidifying machine for soaking, and there is a lack of moisture control means, which is extremely likely to cause excessive moisture and is not suitable for subsequent processing.

[0003] Generally, the shapes of the incoming tobacco stem raw materials are divided into two types: one is round tobacco stems, called stem strips; the other is the above-mentioned flaky tobacco stems, called stem flakes. Since the water absorption of different forms of tobacco stem raw materials is different, therefore, how to provide a cleaning device suitable for different forms of tobacco stems is a problem that those skilled in the art need to solve. Summary of the Utility Model

[0004] The purpose of this application is to provide a stem washing device that can be rinsed and washed and a tobacco stem pretreatment device, which are used to solve the problem of the single cleaning method of the current water tank type tobacco stem humidifying machine.

[0005] To solve the above technical problems, this application provides a stem washing device that can be rinsed and washed, including: a conveying device, a water tank, a conveying mesh belt, a transmission device, and a cleaning nozzle;

[0006] A sewage outlet is provided at the bottom of the water tank, a valve is provided at the sewage outlet, the transmission device is connected to the conveying mesh belt, the transmission device is used to drive the conveying mesh belt to transport tobacco stem raw materials, the conveying mesh belt is inclined, the feeding end of the conveying mesh belt is located inside the water tank, the cleaning nozzle is arranged above the conveying mesh belt, and the discharging end of the conveying device is located above the feeding end of the conveying mesh belt and the water tank.

[0007] Optionally, it further includes a circulating water pump. An outlet and an inlet are provided on the side wall of the water tank. The inlet is located above the outlet. The circulating water pump is connected to the outlet and the inlet respectively through pipelines, and a filter screen is provided at the outlet.

[0008] Optionally, it further includes a controller, a first liquid level sensor and a second liquid level sensor provided on the inner side wall of the water tank. The valve is an electric valve. The first liquid level sensor is located below the feeding end of the conveying mesh belt, and the second liquid level sensor is located above the feeding end of the conveying mesh belt. The controller is respectively connected to the first liquid level sensor, the second liquid level sensor and the electric valve.

[0009] Optionally, a water receiving tray is provided at the bottom of the conveying mesh belt. One end of the water receiving tray is communicated with the water tank, and the other end of the water receiving tray extends to be flush with the discharging end of the conveying mesh belt.

[0010] Optionally, the conveying device includes a metering pipe and an electronic belt scale. The discharging end of the metering pipe is connected to the feeding end of the electronic belt scale, and the discharging end of the electronic belt scale is located above the feeding end of the conveying mesh belt.

[0011] Optionally, a discharging hopper is provided at the discharging end of the electronic belt scale. The side wall of the discharging hopper is communicated with the discharging end of the electronic belt scale, and a discharging port is opened at the bottom of the discharging hopper. The discharging port of the discharging hopper is located above the feeding end of the conveying mesh belt.

[0012] Optionally, the cross section of the conveying mesh bag is U-shaped.

[0013] Optionally, the filter screen is detachably connected to the side wall of the water tank.

[0014] Optionally, the water tank is provided with a stirrer, and the stirrer includes a motor and a stirring rod connected to the motor.

[0015] This application also provides a tobacco stem pretreatment device, including the washable tobacco stem washing device described above.

[0016] A washable tobacco stem washing device provided by this application includes: a conveying device, a water tank, a conveying mesh belt, a transmission device and a cleaning nozzle; a sewage discharge port is provided at the bottom of the water tank, and a valve is provided at the sewage discharge port. The transmission device is connected to the conveying mesh belt, and the transmission device is used to drive the conveying mesh belt to transport tobacco stem raw materials. The conveying mesh belt is inclined, the feeding end of the conveying mesh belt is located inside the water tank, the cleaning nozzle is provided above the conveying mesh belt, and the discharging end of the conveying device is located above the feeding end of the conveying mesh belt and the water tank. By controlling the water level of the water tank with the valve, one of the three tobacco stem washing processes of washing tobacco stems with the water tank, spraying and washing tobacco stems with the cleaning nozzle, and washing tobacco stems with the water tank plus spraying and washing tobacco stems with the cleaning nozzle can be selected, so as to be applicable to the cleaning of tobacco stems with different forms and different moisture contents.

[0017] The beneficial effects of a tobacco stem pretreatment device provided by this application correspond to those of the tobacco stem washing device, and the effects are as above. Description of the Drawings

[0018] To more clearly illustrate the embodiments of the present application, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can also be obtained based on these drawings.

[0019] Figure 1 The structure diagram of a washable and rinsable stem washing device provided by an embodiment of the present application;

[0020] Figure 2 The partial view of a washable and rinsable stem washing device provided by an embodiment of the present application;

[0021] The reference numerals are as follows: 1 - conveying device, 2 - water tank, 3 - conveying mesh belt, 4 - driving device, 5 - cleaning nozzle, 6 - circulating water pump, 7 - filter screen, 8 - water receiving tray, 101 - metering pipe, 102 - electronic belt scale, 103 - discharge hopper, 201 - sewage outlet, 202 - water outlet. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present application.

[0023] The core of the present application is to provide a washable and rinsable stem washing device and a tobacco stem pretreatment device, which are applicable to the cleaning of tobacco stems in different forms.

[0024] To enable those skilled in the art to better understand the solutions of the present application, the following further details the present application in conjunction with the accompanying drawings and specific implementation manners.

[0025] Figure 1 The structure diagram of a washable and rinsable stem washing device provided by an embodiment of the present application, as Figure 1 shown, the washable and rinsable stem washing device includes: a conveying device 1, a water tank 2, a conveying mesh belt 3, a driving device 4, and a cleaning nozzle 5; a sewage outlet 201 is provided at the bottom of the water tank 2, and a valve is provided at the sewage outlet 201. The driving device 4 is connected to the conveying mesh belt 3, and the driving device 4 is used to drive the conveying mesh belt 3 to transport tobacco stem raw materials. The conveying mesh belt 3 is inclined, the feeding end of the conveying mesh belt 3 is located inside the water tank 2, the cleaning nozzle 5 is arranged above the conveying mesh belt 3, and the discharging end of the conveying device 1 is located above the feeding end of the conveying mesh belt 3 and the water tank 2.

[0026] The embodiment of the present application does not specifically limit the conveying device 1. Specifically, the conveying device 1 includes a metering tube 101 and an electronic belt scale 102. The discharge end of the metering tube 101 is connected to the feed end of the electronic belt scale 102. The discharge end of the electronic belt scale 102 is located above the feed end of the conveyor mesh belt 3. The metering tube 101 and the electronic belt scale 102 can control the flow rate of the tobacco stem raw material. The size and shape of the water tank 2 in the embodiment of the present application are designed according to actual needs. The transmission device 4 can be a motor and a roller, etc., which is realized by the friction between the motor-driven roller and the conveyor mesh belt 3. This connection method ensures the continuous operation of the conveyor mesh belt 3; the operation of the conveyor mesh belt 3 driven by the transmission device 4 is a prior art and will not be repeated here. The embodiment of the present application does not specifically limit the number of cleaning nozzles 5. Multiple nozzles can be set, and the multiple nozzles are arranged at intervals along the length direction of the conveyor mesh belt 3. The cleaning water flow rate can be adjusted by controlling the opening of the valve on the cleaning nozzle 5. The feed end of the conveyor mesh belt 3 is located inside the water tank 2, and the feed end of the conveyor mesh belt 3 is located above the bottom of the water tank 2. When the tobacco stem raw materials are soaked and cleaned by the water trough 2, the water level of the water trough 2 is above the feed end of the conveyor mesh belt 3, and the tobacco stem raw materials are conveyed to the water trough 2 by the conveying device 1. After being fully mixed with the water in the water trough 2, the dust is dissolved in water, and foreign matter such as sand, stone, and metal are deposited, thereby achieving the purpose of washing the stems and separating the stems and impurities, and then the tobacco stem raw materials are conveyed to the next process by the conveyor mesh belt 3; when the tobacco stem raw materials are cleaned by the cleaning nozzle, the water level of the water trough 2 is lower than the feed end of the conveyor mesh belt 3, and the conveying device 1 conveys the tobacco stem raw materials to the feed end of the conveyor mesh belt 3, and the cleaning nozzle 5 is used to spray water to clean the tobacco stem raw materials on the conveyor mesh belt 3.

[0027] On the one hand, the drain outlet 201 can discharge excess water from the water tank 2 , and on the other hand, impurities deposited at the bottom of the water tank 2 can also be discharged through the drain outlet 201 .

[0028] The inclination angle between the conveyor mesh belt 3 and the horizontal plane can be 10° to 25°. Specifically, two brackets of different lengths are arranged at the bottom of the conveyor mesh belt 3 to make the conveyor mesh belt 3 inclined. The conveyor mesh belt 3 can adopt a woven mesh, and the mesh holes of the conveyor mesh belt 3 can be round holes and / or long holes, and the size of the holes is smaller than the size of the tobacco stem raw material. The cross-section of the conveyor mesh belt 3 can be U-shaped or straight-lined. The U-shaped cross-section can prevent the tobacco stem raw material from being scattered and wasted during transportation.

[0029] An immersible and washable stem washing device provided by an embodiment of the present application includes: a conveying device, a water tank, a conveying mesh belt, a transmission device, and a cleaning nozzle; a sewage outlet is provided at the bottom of the water tank, a valve is provided at the sewage outlet, the transmission device is connected to the conveying mesh belt, and the transmission device is used to drive the conveying mesh belt to transport tobacco stem raw materials. The conveying mesh belt is inclined, the feeding end of the conveying mesh belt is located inside the water tank, the cleaning nozzle is arranged above the conveying mesh belt, and the discharging end of the conveying device is located above the feeding end of the conveying mesh belt and the water tank. By controlling the water level of the water tank with the valve, one of the three stem washing processes can be selected, namely, washing the stems using the water tank, spraying and washing the stems using the cleaning nozzle, and washing the stems with the water tank plus spraying and washing the stems with the cleaning nozzle, so as to be applicable to the cleaning of tobacco stems in different forms and with different moisture contents.

[0030] Based on the above embodiment, Figure 2 A partial view of an immersible and washable stem washing device provided by an embodiment of the present application, as Figure 2 shown, the embodiment of the present application further includes a circulating water pump 6. An outlet 202 and an inlet are provided on the side wall of the water tank 2. The inlet is located above the outlet 202. The circulating water pump 6 is connected to the outlet 202 and the inlet respectively through pipelines, and a filter screen 7 is provided at the outlet 202.

[0031] The filter screen 7 of the embodiment of the present application can be detachably connected to the side wall of the water tank 2, and the detachable connection method can facilitate the user to clean and replace. After the water in the water tank 2 is filtered by the filter screen 7, it is pumped to the inlet by the circulating water pump 6 to realize the recycling of water and save water; at the same time, the flowing of the circulating water can also be used to wash the tobacco stems. Another way to clean the tobacco stem raw materials in the water tank 2 is: a stirrer is provided in the water tank 2. The stirrer includes a motor and a stirring rod connected to the motor, and the stirrer is used to stir and fully clean the tobacco stem raw materials in the water tank 2; if the capacity of the water tank 2 is large, multiple stirrers can be set.

[0032] Based on the above embodiment, the embodiment of the present application further includes a controller, a first liquid level sensor and a second liquid level sensor provided on the inner side wall of the water tank 2. The valve is an electric valve. The first liquid level sensor is located below the feeding end of the conveying mesh belt 3, and the second liquid level sensor is located above the feeding end of the conveying mesh belt 3. The controller is respectively connected to the first liquid level sensor, the second liquid level sensor and the electric valve.

[0033] When washing the stems using the water tank 2, when the controller receives the signal fed back by the second liquid level sensor, it can control the water conveying device to suspend conveying water to the water tank 2, wherein the water conveying device is connected to the water tank 2 through a pipeline and is used to convey water to the water tank 2; when spraying and washing the stems using the cleaning nozzle 5, when the controller receives the signal fed back by the first liquid level sensor, it can control the electric valve to close to suspend the drainage of the water tank 2. Automatic control is realized by using the controller, the first liquid level sensor, the second liquid level sensor and the electric valve, saving labor costs.

[0034] Based on the above embodiments, a water receiving tray 8 is provided at the bottom of the conveying mesh belt 3 in the embodiments of the present application. One end of the water receiving tray 8 is communicated with the water tank 2, and the other end of the water receiving tray 8 extends to be flush with the discharging end of the conveying mesh belt 3.

[0035] In the embodiments of the present application, the water receiving tray 8 and the conveying mesh belt 3 can be arranged in parallel, and the cross-section of the water receiving tray 8 can also be a U shape matching the cross-section of the conveying mesh belt 3. By providing the water receiving tray 8, the water drained from the tobacco stalk raw material through the conveying mesh belt 3 can be received. The water receiving tray 8 is inclined and flows into the water tank 2 under the action of gravity for secondary utilization.

[0036] Based on the above embodiments, a discharging hopper 103 is provided at the discharging end of the electronic belt scale 102 in the embodiments of the present application. The side wall of the discharging hopper 103 is communicated with the discharging end of the electronic belt scale 102. A discharging port is opened at the bottom of the discharging hopper 103, and the discharging port of the discharging hopper 103 is located above the feeding end of the conveying mesh belt 3. The side wall of the discharging hopper 103 covers the discharging end of the electronic belt scale 102. By providing the discharging hopper 103, the tobacco stalk raw material can be accurately conveyed to the feeding end of the conveying mesh belt 3.

[0037] To better understand the present application, the following introduces the usage method of the tobacco stalk washing equipment that can be both rinsed and washed.

[0038] The incoming tobacco stalk raw material is round tobacco stalks (stalk strips). The tobacco stalk raw material is conveyed to the metering pipe 101 and the electronic belt scale 102 through the previous process. The tobacco stalk raw material with uniform and stable flow rate control falls from the feeding port onto the feeding end of the conveying mesh belt 3. Water is injected into the water tank 2 to the high water level line, and the water level submerges the feeding end of the conveying mesh belt 3. The water temperature is 40°C - 60°C, and the washing time of the tobacco stalks is controlled within 5s - 20s. After washing, the tobacco stalk raw material is conveyed to the next process through the conveying mesh belt 3.

[0039] The incoming tobacco stalk raw material is flaky tobacco stalks (stalk flakes). The tobacco stalk raw material is conveyed to the metering pipe 101 and the electronic belt scale 102 through the previous process. The tobacco stalks with uniform and stable flow rate control fall from the feeding port onto the feeding end of the conveying mesh belt 3. The water level in the water tank 2 is controlled to the low water level line, and the water level is lower than the feeding end of the conveying mesh belt 3. The cleaning nozzles 5 above the conveying mesh belt 3 spray and wash and humidify the flaky tobacco stalks. The water temperature is 40°C - 60°C. The excess water is drained out through the mesh holes of the conveying mesh belt 3, collected by the water receiving tray 8 and the water tank 2 for sewage discharge. After washing, the tobacco stalk raw material is conveyed to the next process through the conveying mesh belt 3.

[0040] The present application provides a tobacco stalk washing equipment that can be both rinsed and washed, which can select tobacco stalk washing treatment and spray humidification according to the form of tobacco stalks; the equipment has a simple structure; the recycling of circulating water is more sufficient, reducing production energy consumption.

[0041] Finally, the present application also provides a tobacco stem pretreatment device, which includes the above-mentioned washable tobacco stem washing device, and may also include a tobacco stem conditioning device, etc. Since the components of the tobacco stem washing device have been described in detail above, they will not be elaborated here.

[0042] The tobacco stem pretreatment device provided by the present application includes the above-mentioned washable tobacco stem washing device. The tobacco stem washing device includes: a conveying device, a water tank, a conveying mesh belt, a driving device, and a cleaning nozzle; a sewage discharge port is provided at the bottom of the water tank, and a valve is provided at the sewage discharge port. The driving device is connected to the conveying mesh belt and is used to drive the conveying mesh belt to transport the tobacco stem raw materials. The conveying mesh belt is inclined, the feeding end of the conveying mesh belt is located inside the water tank, the cleaning nozzle is arranged above the conveying mesh belt, and the discharging end of the conveying device is located above the feeding end of the conveying mesh belt and the water tank. By controlling the water level of the water tank with the valve, three tobacco stem washing processes can be selected, namely washing the tobacco stems using the water tank, spraying and washing the tobacco stems using the cleaning nozzle, and washing the tobacco stems using the water tank plus spraying and washing the tobacco stems using the cleaning nozzle, so as to be applicable to the cleaning of tobacco stems with different forms and different moisture contents.

[0043] The above has introduced in detail a washable tobacco stem washing device and a tobacco stem pretreatment device provided by the present application. The various embodiments in the specification are described in a progressive manner, and the key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

[0044] It should also be noted that in this specification, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A stem washing device capable of showering and washing, characterized in that: include: A conveying device (1), a water tank (2), a conveying mesh belt (3), a transmission device (4) and a cleaning nozzle (5); A sewage outlet (201) is provided at the bottom of the water trough (2), and a valve is provided at the sewage outlet (201). The transmission device (4) is connected to the conveyor mesh belt (3), and the transmission device (4) is used to drive the conveyor mesh belt (3) to transport tobacco stem raw materials. The conveyor mesh belt (3) is arranged at an angle, and the feed end of the conveyor mesh belt (3) is located inside the water trough (2). The cleaning nozzle (5) is arranged above the conveyor mesh belt (3), and the discharge end of the conveying device (1) is located at the feed end of the conveyor mesh belt (3) and above the water trough (2).

2. The stem washing device capable of being showered and washed according to claim 1, characterized in that: It also comprises a circulating water pump (6); a water outlet (202) and a water inlet are provided on the side wall of the water tank (2); the water inlet is located above the water outlet (202); the circulating water pump (6) is respectively connected to the water outlet (202) and the water inlet via pipelines; a filter screen (7) is provided at the water outlet (202).

3. The stem washing device capable of being showered and washed according to claim 1, characterized in that: It also includes a controller, a first liquid level sensor and a second liquid level sensor arranged on the inner wall of the water tank (2), the valve is an electric valve, the first liquid level sensor is located below the feed end of the conveyor mesh belt (3), and the second liquid level sensor is located above the feed end of the conveyor mesh belt (3), and the controller is respectively connected to the first liquid level sensor, the second liquid level sensor and the electric valve.

4. The stem washing device capable of being showered and washed according to claim 1, characterized in that: A water receiving tray (8) is provided at the bottom of the conveyor mesh belt (3); one end of the water receiving tray (8) is connected to the water tank (2); and the other end of the water receiving tray (8) extends to be flush with the discharge end of the conveyor mesh belt (3).

5. The stem washing device capable of being showered and washed according to claim 1, characterized in that: The conveying device (1) comprises a metering tube (101) and an electronic belt scale (102); the discharge end of the metering tube (101) is connected to the feed end of the electronic belt scale (102); and the discharge end of the electronic belt scale (102) is located above the feed end of the conveying mesh belt (3).

6. The stem washing device capable of being showered and washed according to claim 5, characterized in that: A discharge hopper (103) is provided at the discharge end of the electronic belt scale (102), the side wall of the discharge hopper (103) is connected to the discharge end of the electronic belt scale (102), and a discharge port is provided at the bottom of the discharge hopper (103), and the discharge port of the discharge hopper (103) is located above the feed end of the conveyor mesh belt (3).

7. The stem washing device capable of being showered and washed according to claim 1, characterized in that: The cross section of the conveyor mesh belt (3) is U-shaped.

8. The stem washing device capable of being showered and washed according to claim 2, characterized in that: The filter screen (7) is detachably connected to the side wall of the water tank (2).

9. The stem washing device capable of being showered and washed according to claim 1, characterized in that: The water tank (2) is provided with a stirrer, and the stirrer comprises a motor and a stirring rod connected to the motor.

10. A tobacco stem pretreatment device, characterized in that: The invention comprises the showerable and washable stem washing device as described in any one of claims 1 to 9.

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