SU1423863A1 - Heating system of periodic action - Google Patents

Abstract

The invention relates to heat engineering and m. used in systems operating from batch fired heat generators. The purpose of the invention is to increase the economy and operational reliability. The system contains a fire-water boiler 2 connected to the outlet gas duct I with the combined batten and I.1 stand 3 by the natural circulation circuit 4 including heaters 5 and the similar circuit 6 including the accumulator tank (BA) 7 from the front 8 and rear 9 walls. BA 7 is provided in the middle part with a floating partition, made with a vertical upper and inclined towards the front wall 8 lower portions. These areas divide the BA 7 into anterior and posterior compartments interconnected in the upper and lower portions. The duct I is partially placed in BA 7 and is made inside the latter with a U-shaped inlet lower section and a vertical outlet branch, located respectively by the node partition and in the rear m compartment. Such a system allows improving hydraulic and thermal modes of operation and saving fuel. 3 il. (Oh (L

Description

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: The invention relates to heat engineering and | can be used in systems for building buildings that are fueled by firing heat generators (boilers) of periodic operation.

 The aim of the invention is to increase the economy and operational reliability of such heating systems.

FIG. 1 is a schematic diagram of the heating system described; in fig. 2 - side view of the storage tank of the heating system with the boiler outlet duct passing through it; in fig. 3 - storage tank, cross section.

Heating system contains

the level of the heating center in the boiler 2; С is the level of the heating center in the storage tank 7 with flue gases from boiler 2; D - heating equipment cooling center 5.

The system works as follows.

First, the heating system is filled with water until it appears in the drain pipe 18, and all valves 21-26 are opened before filling the system. Then, valves 26 and 21 on supply lines to pump 20 and tank-battery 7 are closed, gate 42 on bypass duct 41 and gate on main duct in chimney (not shown) are opened, melt boiler 2 and after reaching normalized

-) Wired to the flue outlet gas duct 1, the air temperature in the rooms, the open-heating boiler 2, unite the valve 21 on the main line

the total cost of the 3 loop 4 natural3 heating - tank battery 7.

Circulation, including heating at-upon reaching the water temperature in

Bora 5, and a similar circuit 6, on-tank-battery 7 (on the inner surface of the tank-battery 7 from the front 8 and on the 9th walls.

The storage tank 7 is provided in the middle part with a solid partition made with the vertical top 10 and the E sloping side of the front wall 8 the bottom 11: the two that divide the storage tank 7 t: a front 12 and rear 13 compartments, communicated among themselves in the upper and lower asth x.

I The output gas duct 1 of the boiler 2 is partially | placed in the storage tank 7 and is made

In this case, section 14 of the flue duct 1) above the dew point 20 of exhaust flue gases (determined with sufficient thermometer in the sleeve 40) close the gate 42, and the flue gases are directed into the duct 1, additionally heating the water in the storage tank 7. Moreover, in the event of condensation in section 14 in the initial heating period, it is removed by means of a condensate line 38, which has a hydraulic lock 39 in the form of a pipe bend to prevent depressurization of the gas duct 1. The latter with the U-shaped inlet.

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lijny site 14 in a vertical vy-) one branch 15, located respectively- (| under the section 11 of the partition.

I In the upper part of the stand 3, an extension tank 16 is installed, connected to pressure relief lines 17 in the system and a drain pipe 18. A jumper 19 with a pump 20 is installed on the lower branch of circuit 4. In certain sections of the contour lines 4 and 6 circulations, shut-off valves 21-26 are installed. The stand 3 is connected to stand 3 with line 27 with shut-off valve 28 and check valve 29. The pump 20 is equipped with an automatic controller 30 for discharging heat from a temperature sensor 31 in a heated room.

For connection to the circulation circuit 6, the accumulator tank 7 is provided with a plug 32 in the upper part, and a fitting 33 in the lower part. A drain fitting 34 is provided in the bottom of the accumulator tank 7. A part of the duct 1 integrated into the accumulator tank 7 - The CQ | part is equipped with a ash pocket 35,: a branch pipe 36 with a sealed lid 37 and a condensate line 38 having a water seal (loop) 39. A thermometer sleeve 40 is inserted in the storage tank 7. Besides

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Ash streams entering the gas duct 1 are periodically removed from the pocket 35 and the pipe 36, hermetically sealed during operation of the storage tank 7 and the boiler 2 by the cover 37.

The presence of a heating center C in the accumulator tank 7 (in its lower part), the partition wall 10 separating the accumulator tank 7 into two vertical compartments 12 and 13 interconnected in the upper and lower parts, one of which is located Most of the surface of the hottest section 14 and the vertical section 15 provide increased directional movement in the annular space of the downward and upward flows of water in the storage tank 7 due to the difference in their volume weights, intensified heat transfer between the flue gases and heated water, which stabilizes and enhances the circulation of the coolant in the heating system by eliminating the thermal cushion in the upper part by intensifying the mixing of water in the storage tank 7, as well as placing the floor level in the furnace room below the floor level in heated rooms due to the age, it is equipped with a heat-insulated bypass-55 and gravitational pressure.

41 gas flue duct with a gate 42.When water is heated in the storage tank

In the drawings, the letters indicate: A - the level of the floor in the furnace room: B -

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7 from 2 to 95 ° C. The gate 42 on the bypass duct 41 opens and stops the sub-accumulator 7 (on the inside

1) is higher than the dew point of flue gases (determined with sufficient accuracy on the thermometer in the sleeve 40), close the gate 42, and the flue gases are directed to the gas duct 1, additionally heating the water in the storage tank 7. In the case of condensate formation in section 14 in the initial heating period, it is removed by means of a condensate line 38, which has a hydraulic lock 39 in the form of a pipe bend to prevent depressurization of the gas duct 1. The condensate pipe 38 is closed with a stopper.

Densat 38 is plugged.

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Ash streams entering the gas duct 1 are periodically removed from the pocket 35 and the pipe 36, hermetically sealed during operation of the storage tank 7 and the boiler 2 by the cover 37.

The presence of a heating center C in the accumulator tank 7 (in its lower part), the partition wall 10 separating the accumulator tank 7 into two vertical compartments 12 and 13 interconnected in the upper and lower parts, one of which is located Most of the surface of the hottest section 14 and the vertical section 15 provide increased directional movement in the annular space of the downward and upward flows of water in the storage tank 7 due to the difference in their volume weights, intensified heat transfer between the flue gases and heated water, which stabilizes and enhances the circulation of the coolant in the heating system by eliminating the thermal cushion in the upper part by intensifying the water relocation in the storage tank 7, as well as placing the floor level in the furnace room below the floor level in heated rooms due to ageWhen water is heated in the storage tank

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7, from 2 to 95 ° C. The gate 42 on the bypass duct 41 opens and stops the flooding of the boiler 2, the shutters 42 are closed and on the main duct in the stack.

The shut-off valves 25, 26 on the inlet and outlet pipelines of the pump 20 are opened and the valve 24 is closed on the jumper 19; The pump 20 is started up, after which the circulation of the coolant in the system passes through the storage tank 7, and the stop valve 23 at the main stand 3 after the boiler 2 is closed.

operational reliability and efficiency of the system.

Claims (1)

Invention Formula A batch heating system containing a fire water boiler connected to the outlet flue duct with a common natural circulation circuit connected from the heating system is equipped with 10 power lines and a similar pressure relief circuit in case of an accidental mountain that turns on the accumulator tank transfer of pressure in the system (with under and behind walls, characterized by the fact that the operation of the boiler 2 and the storage tank is empty, in order to increase the efficiency of the multiplier 7 with closed stop valves ventilation and operational reliability, tank batteries 21-26). In order to exclude a peri-impulse generator, in the middle part of the closures, for a rational heat supply, this partition wall is made with a vertical upper section and lower sections inclined towards the front wall and separating the accumulator tank to the front and rear compartments. communicated to each other at the top of the pump 20 by the signal of the sensor 31 20 of it and the lower parts, and the output gas flue temperature). The system can work and without partially placed in the tank-battery The theme is equipped with a temperature sensor 31 (installed on the inner wall of the room and a height of 1.5 m from the floor) and an automatic heat release controller 30 (the switch is made inside the latter with a U-shaped inlet lower section and a vertical outlet branch placed by a sonic pump. Thus, the proposed heating system makes it possible to improve the hydraulic design inside the latter, with a U-shaped inlet lower section and a vertical output branch, which are located under high and thermal conditions of operation and ensured responsibly under the partition and in the rear section. fuel economy i.e. boost ex 9 / fL / f} / JU HbfU .f with u / LfSe / oo / n compartment. operational reliability and efficiency of the system. Invention Formula it and the lower parts, and the exhaust gas duct is partially located in the storage tank and is made inside the latter with a U-shaped inlet lower section and a vertical output branch arranged according to the section. J / 0