RU2244203C1 - Variable-capacity wet gas-holder - Google Patents

Abstract

FIELD: sewage systems; farming; stock-rearing and poultry farms, complexes and fabrics.

SUBSTANCE: proposed gas-holder is used for making combustible manure gas from manure, dung and organic wastes of plant growing and high-quality organic fertilizers decontaminated from pathogenic microflora, helminth and their ova and seeds of weeds. Variable-capacity wet gas-holder includes bell hoisting in liquid and reservoir with bottom and branch pipes for filling the reservoir with running liquid and emptying it; running liquid is used for locking the hoisting and lowering bell; gas-holder is also provided with branch pipe for delivery and discharge of manure gas generated in methane tank at anaerobic fermentation of organic wastes. Bottom of reservoir is taper in shape. Mounted at base of bottom is intake part of branch pipe emptying the reservoir from settling particles.

EFFECT: low operational cost.

3 cl, 2 dwg

Description

The invention relates to the field of sewerage and is primarily intended for use in agriculture on livestock and poultry complexes, factories and farms in which combustible biogas and high-quality disinfected from pathogenic microflora, helminths, their eggs and seeds are produced from manure, litter and crop waste weed organic fertilizer.

Known for a typical wet gas tank of variable capacity with a tank filled with water, acting as a water shutter for a lifting and lowering gas-filled bell, while to prevent freezing of water in the tank of a gas tank in the winter season and maintaining the water temperature in frost at least + 5 ° C, it is heated using steam-blast elevators at an expense of 70-120 kcal of heat per cubic meter of water per hour. /Cm. standard projects of wet gas holders of various capacities No. 707-2-18-24c-86, developed by the State Automated Chemical Inspection, approved and put into effect by the Mineral Fertilizers by Protocol No. 25-III of September 10, 1985 /.

A disadvantage of the well-known typical wet gas tank of variable capacity is that a significant amount of thermal energy must be spent on heating the water in the tank in the winter.

Also known is another wet gas tank of variable capacity, containing a bell lifting in a liquid and a tank with a flat bottom and nozzles for filling and emptying it with running water, used as a shutter for a lifting and lowering bell, a nozzle or several nozzles for supplying and discharging biogas generated in a digester with anaerobic digestion of organic waste, which is given in the application for a patent of Great Britain No. 2190682 class. C 02 F 11/04.

The disadvantage of this well-known wet gas tank of variable capacity, which is known by the application for UK patent No. 2190682, is that it is necessary to expend running water, which is heated to prevent freezing in winter.

At the same time, in terms of its technical nature and the achieved result, a wet gas tank of variable capacity, known by the UK application, is the closest invention.

The objective of the present invention is to provide such a wet gas tank of variable capacity, which would eliminate its above drawbacks, would reduce the cost of its operation due to the use of a heated anaerobically digested from a digester tank as a flow-changing liquid / mesophilic mode / or up to 60 ° C / thermophilic mode / mass with a moisture content of 94-97% and containing organic substances deposited in it and precipitated.

According to the invention, the task in the implementation of a wet gas tank of variable capacity is achieved by the fact that the bottom of the tank is conical, at the base of which there is an intake part of the pipe emptying the tank from the precipitating substances of the flowing liquid, and a heated anaerobically fermented precipitating liquid mass discharged from the digester is used. while the periodicity of the introduction into the tank of a wet gas tank of the used heated mass fermented in a digester is set in In accordance with the frequency of unloading of the fermented mass from the digester and in the tank there is a discharge pipe from the liquid and a hatch for cleaning the bottom of the tank from precipitation.

The drawings schematically show the device of a wet gas tank of variable capacity, where Fig. 1 shows a sectional view of a general view of a wet gas tank, and Fig. 2 shows a view along aa in Fig. 1.

The proposed wet gas tank of variable capacity (Figs. 1 and 2) contains a tank 1 with a conical bottom 2 and a lifting and lowering bell 3. In the tank 1, there are nozzles for filling 4 and 5 for emptying the tank 1 with running fluid, a nozzle / nozzle / inlet and outlet for biogas 6, the intake part 7 of the discharge pipe 5 of the tank 1 from the flowing liquid with sediment, made in the form of a curved pipe, the lower end of which is installed in the center of the conical bottom 2, and the upper one is mounted in the expanded upper part of the curved discharge pipe 5 n and at a distance "B" from the top of the tank 1 and slightly higher than the nozzle 5, which ensures the discharge from the tank 1 of the flowing fluid flowing with sediment from the upper end of the pipe of the intake part 7. To empty the tank from the liquid in the bottom 2, the nozzle 8 is made, and for periodic to clean the bottom 2 times in 3-4 years from the bottom, a hatch with a cover 9 was made in the wall of the tank 1. To establish the regulated SNiP of the biogas pressure in the digesters and gas holders, removable weights 10 are attached to the bell 3 from below, the weight of which is assigned taking into account the diameter and weight and 3 bells.

Guide racks and rollers of bell 3, the installation of control devices and the insulation of the tank 1 are not shown in the drawings, because their implementation is possible in various ways.

Operation of the proposed wet gas tank of variable capacity should be carried out in accordance with the safety guidelines for the use of wet gas tanks designed for combustible gases. In this case, the temperature and humidity of the fermented mass discharged from the digester should be taken into account continuously or periodically, with its additional cooling in the heat exchanger when the fresh mass loaded in the digester is heated or without cooling.

The main economic effect of using the variable-capacity wet gas tank proposed by the present invention is a significant reduction in the cost of its operation in winter due to the elimination of the need for steam-jet elevators and other technical means for heating known variable-capacity wet gas tanks using different fuels or electricity.

Claims (4)

1. A wet gas tank of variable capacity, containing a bell lifting in a liquid and a tank with a bottom and nozzles for filling and emptying the tank with flowing liquid, used as a shutter for a lifting and lowering bell, a nozzle (branch pipe) for supplying and discharging biogas produced in a digester during anaerobic digestion organic waste, characterized in that the bottom of the tank is made conical, at the base of which is installed the intake part of the pipe emptying the tank from precipitating substances flowing liquids. 2. A wet gas tank of variable capacity according to claim 1, characterized in that a heated anaerobically fermented precipitated liquid mass is used as a flowing liquid from the digester. 3. A wet gas tank of variable capacity according to claim 2, characterized in that the frequency of introducing the heated mass fermented in the digester into the wet gas tank is set in accordance with the frequency of unloading of the fermented mass from the digester. 4. A wet gas tank of variable capacity according to claim 1, characterized in that the tank has a liquid discharge pipe and a hatch for cleaning the tank bottom from precipitation.

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