CN201089752Y - Self-ignition type electric stalk product units - Google Patents

Abstract

A self-lighting type electronic straw product unit comprises a gas producer, a water-cooling apparatus and an air-cooling apparatus, wherein, a dry distillation bed and a carbonization bed are arranged in the gas producer, straw materials are carbonized without oxygen and cracked at high temperature by using the dry distillation bed and the carbonization bed, so that gas containing wood tar which is cracked into peptide molecules to generate permanent gas, and generates environmental biomass combustible gas which is purer than coal gas after being decomposed through water cooling kettles and air cooling kettles; meanwhile, the utility model is advantageous to the recovery of carbon materials and wood tar, thereby improving the economic value of the unit.

Description

Self-igniting electric straw product unit

Technical field:

The utility model relates to a device for producing combustible gas, firewood oil and carbon material by using straw, in particular to a self-igniting electric straw product unit.

Background technique:

At present, similar products in the country are all fixed-type, with no core in the furnace, and rely on ignition and blower. The raw materials used are corn cobs, wood chips and rice husks. After igniting, blower is used to add air, semi-combustion, and semi-carbonization. The process is anoxic carbonization, and then the gas is sucked into the water washing tank through the vacuum pump, and most of the ash and oil are discharged through water washing, and then filtered through the oil pipe, and the gas is discharged into the gas cabinet. , for the user to cook. Its technological disadvantages are:

(1) There are few types of raw materials used, and all biomass raw materials cannot be used.

(2) A large amount of raw materials are piled up in the workshop, which is unsanitary, has fire hazards, and occupies a large area.

(3) Carbonization due to lack of oxygen causes the raw materials to form half ash and half carbon, which cannot be reused, resulting in waste of carbon materials.

(4) The gas is washed with water. Due to the low temperature in the furnace, the dust and oil contained in the gas cannot be completely discharged. Although it is filtered through a thin tube, it is only discharged into the gas cabinet through a vacuum pump. If it is used for a long time, the pipeline will be blocked. At present, the national Similar products all have the phenomenon of blocking pipes.

(5) The gas is washed with water so that the dust and wood oil in the gas are mixed into the water, causing water pollution and a large amount of wood oil is wasted and cannot be recovered.

That is, the output product of the device is single, so that a large amount of wood oil and carbon materials with economic value can not be effectively recovered.

Invention content:

In view of the deficiencies in the prior art above, the purpose of this utility model is to provide a self-combustion electric straw product unit with high economic value, which can not only produce combustible gas with high calorific value, but also effectively recover wood oil and carbon.

The purpose of this utility model is achieved in that it includes a gas generator, a water cooling device and an air cooling device, and is characterized in that the gas generator includes a loam cake, a furnace body and a furnace bottom, and the furnace body is provided with a drying bed and a carbonization The bed, the drying bed and the carbonization bed are placed on the central rotating shaft in the furnace, and above the drying bed and the carbonization bed are respectively provided with mixing rods fixedly connected with the furnace body, between the mixing rod and the central rotating shaft There is a circular inner baffle fixedly connected to the furnace body. The sprocket at the lower end of the central rotating shaft in the furnace and the sprocket of the vertical motor are driven by a chain. There is a dry bed discharge port on the furnace body and the carbonization bed feeding port; the water cooling device includes a water cooling box and two sets of low and high water cooling kettles placed on the left and right sides of the cooling box. The oil discharge pipe at the bottom of each water cooling tank is connected to the oil collection tank outside the water cooling box; the air cooling device includes an air cooling box and two sets of low and high air cooling boxes placed on the left and right sides of the cooling box. Cooling kettle, two sets of low and high air cooling kettles are connected from low to high through exhaust pipes, and the oil discharge pipe at the bottom of each air cooling kettle is connected with the oil collection tank outside the air cooling box; the gas generator passes through The exhaust pipe is connected with the first water cooling kettle on the left side of the water cooling box in the water cooling device, and the last water cooling kettle on the right side in the water cooling box in the water cooling device is connected to the left The first air-cooled kettle in the lower side group is connected, and the last air-cooled kettle in the right side high group in the air-cooled box is sent to the gas storage cabinet through the exhaust pipe or connected to the gas generator stove through the gas pipeline. When in use, the raw materials are transported from the opening on the upper side of the furnace body to the drying bed with the Roots feeder, and the dried raw materials fall onto the carbonization bed, and are recovered and reduced to carbon materials through the discharge port of the carbonization bed, which can be used as barbecue charcoal and activated carbon. The carbonized gas has become a high-temperature decomposed permanent gas through the dry bed space, and is discharged through the exhaust hole. The water cooling device and air cooling device remove all kinds of water, dust, and wood oil contained in the gas. After crystallization and falling, the gas is more pure and the firewood oil can be recovered effectively.

The utility model has the advantages of:

(1) A wide range of materials are used, and all surface biomass can be used.

(2) This process is oxygen-free carbonization, high-temperature decomposing, cooling and decomposing in the kettle, there is no wood oil molecule in the high-temperature decomposing gas, and it will not block the pipeline. It is also encrypted by air pressure, with high calorific value, which is stronger than coal gas , can not only cook, but also provide heating for the building, and can also burn gas boilers.

(3) The wood oil contained in the gas has not been washed, and is decomposed by the cooling kettle to be recovered reasonably, becoming the best product, and achieving environmental protection without any pollution.

(4) Due to the oxygen-free carbonization process, the carbonized raw materials are reduced to carbon materials, which can be used as barbecue carbon and activated carbon.

(5) It can not only produce combustible gas with high calorific value, but also effectively recover wood oil and carbon materials.

Below in conjunction with accompanying drawing, the utility model is described.

Description of drawings:

Fig. 1 is a structural representation of the utility model;

Fig. 2 is an enlarged view of the structure of the gas generator in Fig. 1 .

Detailed ways:

As can be seen from the accompanying drawings, the utility model is mainly composed of gas generator A, water cooling device B and air cooling device C three parts. Wherein the gas generating furnace A is composed of an upper cover A1, a furnace body A2, a furnace bottom A3, a stove A9, a drying bed A4, a carbonization bed A5, a circular inner baffle A6, a rotating shaft A7, and a mixing stick A8. The furnace cover A1 is equipped with a temperature gauge, a pressure gauge, a safety automatic pressure relief valve, an exhaust hole and an exhaust pipe A10. They are used to test furnace temperature, pressure, normal exhaust gases. If the pressure is too high, the gas can be discharged from the workshop through the automatic safety valve. The furnace body A2 is provided with a drying bed feeding port A12 and a carbonization bed feeding port A13. Drying bed A4 and carbonization bed A5 are respectively placed on the central rotating shaft A7 in the furnace through connecting flanges. Drying bed A4 is provided with a number of small garden holes smaller than the size of the granular raw materials. It is connected to the flange, and the flange is covered with Big garden hole A16, its effect is that the gas of carbonized bed pyrolysis and column solution is passed and discharged and filtered.

Above the drying bed A4 and the carbonization bed A5 are respectively equipped with a mixing stick A8 fixedly connected to the furnace body, and a circular internal stop fixedly connected to the furnace body is provided between the mixing stick and the central rotating shaft. Plate A6 and mixing rod A8 are connected with the weldment of furnace body A2 with screws, and belong to suspended non-rotating parts. The pear-shaped triangular plate is welded under the mixing rod A8. Stir the ingredients evenly. The circular inner baffle A6 is light and non-rotating, and is connected with the weldment on the furnace body A2 with thick medium-plate angle steel. Its main function is to prevent raw materials from entering the middle, block the flange hole, and protect the rotating shaft A7 effect. The central rotating shaft A7 in the furnace extends from the bottom of the furnace body to the bottom of the furnace. There are three load-bearing bearings on the drying bed A4, the carbonization bed A5 and the bottom, respectively. There are copper tiles and bushings on the top of the furnace, which are firmly fixed again. On the triangular plate in the furnace, the rotating shaft will never swing during normal rotation, and it is firmly fixed on the center line of the furnace body. The belt sprocket wheel A17 of the lower end of rotating shaft A7 and the belt sprocket wheel of vertical motor A18 are by chain transmission, make rotating shaft and drying bed, carbonization bed slowly rotate. The slope of the flat belt in the drying bed A4 slowly rotates with the rotating shaft, so that the granular raw materials sent by the Roots feeder are evenly covered on the bed, and the dried raw materials are discharged through the pneumatic push-pull plate A14 outside the furnace. On the carbonization bed A5, it is recovered and reduced to carbon material through the carbonization bed lowering port A13, which can be used as barbecue carbon and activated carbon. The carbonized gas has become a high-temperature decomposed permanent gas through the dry bed space, and is discharged through the exhaust hole and the exhaust pipe A10 to the water cooling device B; the water cooling device B includes a water cooling box B1 and placed in the cooling Two sets of water cooling kettles B2 and B3 with low and high placement on the left and right sides of the box (3 in each group), and the two sets of water cooling kettles with low and high placement are connected from low to high through the exhaust pipe B9. The oil discharge pipe at the bottom of the cooling kettle is connected with the oil collection tank B10 outside the water cooling tank. There is a triangular baffle B7 in the water cooling kettle. The hot gas in the furnace is discharged into the bottom cooling kettle through the pipeline. The triangular baffle B7 blocks the gas. The water, a small amount of dust and oil, according to the crystallization point of their own temperature, will fall into the water cooling kettle with the baffle plate. Each kettle has a slope, and the water, ash and oil will be discharged into the oil collection tank B10 along with the oil discharge pipe B8 at the bottom of the kettle. , in order to facilitate the recovery of firewood oil. In the water cooling device, the last water cooling kettle on the right side in the water cooling box communicates with the first air cooling kettle on the left side of the lower group in the air cooling box through the air cooling cylinder B4. After a large amount of water, ash and oil are removed through the water cooling kettle and the water cooling exhaust pipe, it enters the air cooling cylinder. The air cooling cylinder is divided into two exhaust pipes, and the gas enters the air cooling box. The first exhaust pipe is The normal pressure type works according to the normal pressure in the furnace. The second exhaust pipe is when the pressure in the furnace is high, and the Roots vacuum pump B5 must be started to make the furnace become normal pressure and negative pressure; the air cooling device C consists of The air cooling box C1 is composed of two sets of left and right (3 in each group) low and high air cooling kettles C2, C3 and air cooling exhaust pipe C7 placed in the cooling box. It is related to the structure and work of the water cooling device B. The principle is the same, and the oil discharge pipe C5 at the bottom of each air cooling kettle is connected with the oil collecting tank C6 outside the air cooling box. Its main function is to recrystallize and drop all kinds of water, dust and wood oil contained in the gas to make the gas more pure and become combustible gas, and send it into the small gas storage tank through the exhaust pipe C8 After being encrypted by an air compressor, the biomass combustible gas is converted into 0.3 MPa, which has the same calorific value as gas, and is sent to the large cabinet for storage. In this way, not only users can heat for cooking, but also can be used for industrial production and building heating . C4 is a triangular baffle installed in the air cooling kettle, which has the same effect as the triangular baffle B7 in the water cooling device. The stove A9 of the gas generator is first heated by the liquefied gas, and then the combustible gas generated by the gas generator and treated by the water cooling device B and the air cooling device C is used to supply the gas to the stove A9 through the exhaust pipe C8. gas. The serial number A11 in the figure is a refractory brick.

Claims (2)

1. A self-ignition type electric straw product unit, which includes a gas generator, a water cooling device and an air cooling device, and is characterized in that: the gas generator includes an upper cover, a furnace body and a furnace bottom, and a drying bed and a carbonization furnace are arranged in the furnace body The bed, the drying bed and the carbonization bed are placed on the central rotating shaft in the furnace, and above the drying bed and the carbonization bed are respectively provided with mixing rollers fixedly connected with the furnace body, between the mixing roller and the central rotating shaft There is a circular inner baffle fixedly connected to the furnace body. The sprocket at the lower end of the central rotating shaft in the furnace and the sprocket of the vertical motor are driven by a chain. There is a dry bed discharge port on the furnace body and the carbonization bed feeding port, and a furnace is provided under the bottom of the furnace; the water cooling device includes a water cooling box and two sets of low and high water cooling kettles placed in the left and right sides of the cooling box, and two sets of low and high water cooling kettles. The kettle is connected from low to high through the exhaust pipe, and the oil discharge pipe at the bottom of each water cooling kettle is connected with the oil collection tank outside the water cooling box; the air cooling device includes an air cooling box and two groups of Low and high placed air-cooled kettles, two sets of low and high placed air-cooled kettles are connected from low to high through exhaust pipes, and the oil drain pipe at the bottom of each air-cooled kettle is connected to the oil collection tank outside the air-cooled box The gas generator is connected to the first water cooling kettle on the left side of the water cooling box in the water cooling device through the exhaust pipe, and the last water cooling kettle on the right side in the water cooling box in the water cooling device is cooled by air The cylinder is connected with the first air cooling kettle of the lower group on the left side of the air cooling box, and the last air cooling kettle of the upper group on the right side of the air cooling box is sent to the gas storage cabinet through the exhaust pipe or connected to the gas generator furnace through the gas pipeline connected. 2. The self-ignition electric straw product unit according to claim 1, characterized in that: there are triangles to block water, ash and oil in the water cooling kettle in the water cooling box and in the air cooling kettle in the air cooling box. baffle.

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