CN201238593Y - Low-temperature tobacco oven heated by hot-water system - Google Patents

Abstract

The utility model discloses a low-temperature tobacco dryer heated by a hot water system, and belongs to the technical field of a cigarette device. The hot water system for automatically controlling the temperature of hot water within the scope of 90 to 120 degrees is arranged on the tobacco dryer; two water channels, namely a hot water tank and a cold water tank, are arranged in the hot water system in parallel; the water inlet end of the hot water tank is communicated with a pneumatic cutting-off valve; the hot water tank is also communicated with a steam valve with a pneumatic film adjusting valve; the cold water tank is communicated with another pneumatic cutting-off valve; a confluent water channel of the parallel water channels of the hot water tank and the cold water tank accesses to the tobacco dryer and is communicated with a rotating joint; and a temperature sensing transmitter is arranged in the water channel. The utility model has the advantages of reasonable design, simple structure, easy implementation and high automaticity, and can ensure that the tobacco dryer works under the lower temperature of below 100 degrees.

Description

Low temperature silk dryer heated by hot water system

technical field

The utility model belongs to the technical field of cigarette equipment, in particular to a silk drying machine with a relatively low temperature using hot water as a heating medium, and is particularly suitable for the silk drying machine on a silk production line.

Background technique

In the prior art, the shred drying machine on the cigarette production line uses steam as the heating heat source, and under the joint action of the hot air system and the moisture removal system, the moisture in the cut tobacco is removed. The irritation of the smoke will be reduced, but some aroma substances will be lost. The silk drying machine in the prior art uses steam heating, because the operating temperature of the steam exceeds 100 degrees, and the adjustment accuracy cannot meet the precision requirements when the temperature is around 100 degrees. The silk drying machine of the prior art cannot meet the process requirements of a lower temperature of 90°C to 120°C.

Utility model content

Aiming at the above-mentioned deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a low-temperature shred drying machine heated by a hot water system, which can heat shredded tobacco at a lower temperature of 90-120 degrees to ensure that the aroma substances No loss.

The technical scheme of the utility model is: the low-temperature silk drying machine heated by the hot water system includes a silk drying machine, and the silk drying machine is provided with a rotary joint and a condensed water outlet. The silk drying machine is provided with a hot water system connected with a rotary joint to automatically control the temperature of the hot water at 90-120 degrees. Tank pipeline; the water inlet end of the hot water tank is connected with the pneumatic shut-off valve, and the hot water tank is also connected with the steam valve with a pneumatic film regulating valve; the cold water tank is connected with the pneumatic shut-off valve; the hot water tank pipeline is connected with the cold water The confluence pipeline of the tank pipeline leads to the silk drying machine and is connected with the rotary joint, and a temperature sensor transmitter is arranged in the confluence pipeline.

The signal output end of the temperature sensor transmitter is connected to the signal input end of the computer control system, the electrical signal input end of the pneumatic film regulating valve is connected to the output end of the computer control system, and the control signal output end of the computer control system is also connected to the hot water The pneumatic cut-off valve in the tank water channel is connected with the input interface of the electric signal of the pneumatic shut-off valve in the cold water tank water channel. The condensed water outlet communicates with the condensed water system.

The utility model has the advantages of reasonable design, simple structure, easy implementation and high degree of automation, and can meet the requirements of the silk drying machine working at a relatively low temperature below 100 degrees.

Description of drawings

Accompanying drawing 1 is a structural representation of an embodiment of the utility model;

Accompanying drawing 2 is the structural schematic diagram of prior art silk drying machine.

The marks in the drawings are described as follows: 1—ball valve; 2—filter; 3—pneumatic cut-off valve; 4—hot water tank; 5—pneumatic film regulating valve; 6—pump; 7—pressure gauge; Transmitter; 9—cold water tank; 10—pneumatic shut-off valve; 11—steam valve; 12—water source; 13—condensate water system; 14—check valve; 15—stop valve; 16—pneumatic shut-off valve; 17—filter 18—drain valve; 19—stop valve; 20—observation mirror; 21—condensed water outlet; 22—rotary joint; 23—silk drying machine; 24—tidal discharge pipe; 27—piping system; 28—feed cover; 29—frame; 30—cylinder; 31—discharge cover.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail. The new low-temperature silk drying machine uses steam and cold water to mix to form hot water at a certain temperature. The temperature of the hot water is automatically controlled by the temperature sensor transmitter 8 and the steam pneumatic film regulating valve 5 according to the required temperature. The hot water is controlled by the pipeline The pump 6 sends certain pressure to the cylinder heating plate through the rotary joint 22, and heats the shredded tobacco through heat transfer to achieve the purpose of removing moisture and meeting the process requirements.

Accompanying drawing 2 shows the silk drying machine of prior art, what used among Fig. 2 is steam heating, because steam operating temperature exceeds 100 degrees, and when about 100 degrees, the adjustment accuracy can not meet the precision requirement. The above-mentioned system cannot meet the technological requirements of 90 degrees - 120 degrees.

Accompanying drawing 1 is an embodiment of the present utility model, and the temperature of temperature sensing transmitter 8 shown in the figure can be selected according to actual work needs, and water passes through ball valve 1, filters through filter 2, connects hot water tank 4 or Cold water tank 9, under different working conditions, enters different working conditions through pneumatic shut-off valves 3 and 10 respectively. Under normal working conditions, through the pneumatic shut-off valve 3, steam and water are mixed in the hot water tank 4 to form hot water. The valve 5 adjusts the steam valve 11 to control the temperature of the hot water. After the pressurization by the pump 6, the pressure gauge 7 displays the pressure of the hot water, and the temperature sensor transmitter 8 transmits the temperature of the hot water to the computer control system to feedback and adjust the pneumatic membrane Regulating valve 5 allows hot water at a certain temperature and pressure to enter the shred drying machine 23 as heating energy, and under the action of the hot air system and the moisture removal system, the shredded tobacco is dried to a certain moisture content. The hot air system and the moisture removal system are not shown in Figure 1.

Compared with the general drum silk drying machine, this silk drying machine has the following advantages:

(1) Provide a new type of low-temperature silk drying machine, which performs low-temperature (90-120 degree) drying treatment on flake silk to ensure product quality.

(2) The detection and control of hot water flow and temperature are more stable and accurate than the detection and control of steam, so the control of silk drying process is more stable.

(3) Use a lower temperature to reduce the temperature difference of the equipment and extend the service life of the equipment.

This product is novel in design, simple in structure, intelligent in control, sturdy and durable, safe and reliable, convenient in repair and maintenance, economical and practical, and has the advantages of more stable control and longer service life of the equipment, and can be widely used in silk production lines.

Claims (3)

1, a kind of low temperature cut-tobacco drier with the hot-water heating system heating, contain cut-tobacco drier, cut-tobacco drier is provided with swivel joint, condensation-water drain, it is characterized in that: described cut-tobacco drier (23) is provided with the automatic control hot water temperature that is connected with swivel joint (22) hot-water heating systems at 90-120 degree, be provided with hot-water cylinder (4) pipeline of water and vapor mixing and cold water tank (9) pipeline of branch road in the hot-water heating system; Hot-water cylinder (4) water inlet end is connected with pneumatic cut-off valve (3), and hot-water cylinder (4) also is connected with the steam valve that has pneumatic diaphragm control valve (5) (11); Cold water tank (9) is connected with pneumatic cut-off valve (10); Hot-water cylinder (4) pipeline and cold water tank (9) pipeline converge pipeline and lead to cut-tobacco drier and be connected with swivel joint (22), and this converges and is provided with TEMP transmitter (8) in the pipeline.

2, the low temperature cut-tobacco drier with the hot-water heating system heating according to claim 1, it is characterized in that: the signal output part of TEMP transmitter (8) links to each other with the signal input part of computer control system, the electric signal input end of pneumatic diaphragm control valve (5) links to each other with the output of computer control system, and the control signal output of computer control system also links to each other with the input interface of pneumatic cut-off valve (3) with pneumatic cut-off valve (10) signal of telecommunication.

3, the low temperature cut-tobacco drier with the hot-water heating system heating according to claim 1, it is characterized in that: condensation-water drain (21) is connected with condensate system (13).

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