CN218599778U - Backwater ejector of hot water boiler - Google Patents

Abstract

The utility model discloses a boiler return water ejector, including the barrel, the bottom of barrel is provided with furnace, and the inside level of barrel is provided with the screw thread tobacco pipe, and the one end of barrel is provided with the exhanst gas outlet, and the one end and the exhanst gas outlet of screw thread tobacco pipe are connected, and the one end that exhanst gas outlet was kept away from to the barrel is provided with preceding smoke box, and the both sides of barrel are connected with the water wall pipe. Among this boiler return water ejector, thereby through installing the return water mouth additional and having improved the water velocity of water wall pipe greatly effectually prevent the supercooling boiling, prevent the pipe explosion, sound and vibration phenomenon appear, introduce boiler inside with the water in the header pipe fast through the water wall pipe, realize heat circulation, improve heat exchange efficiency, the rivers that the water rethread downcomer in the entering boiler was to the header pipe supply, the latent shooting device of return water forms vacuum state and sprays the rivers of downcomer supply through the nozzle, improve the velocity of flow.

Description

Backwater ejector of hot water boiler

Technical Field

The utility model relates to the technical field of boilers, specifically speaking relates to a boiler return water ejector.

Background

The hot water boiler includes an electric hot water boiler, an oil-fired hot water boiler, a gas-fired hot water boiler, a coal-fired hot water boiler, and the like, and the hot water boiler is a boiler for producing hot water and is a thermal energy device for heating water to a rated temperature by using heat energy released by fuel combustion or other heat energy (such as electric energy, solar energy, and the like).

The patent of publication number CN214581774U discloses a boiler convenient to maintain, including the boiler body, the fixed plate is equipped with to the bottom of boiler body, the base is connected to the bottom of fixed plate, the side-mounting of boiler body has a water outlet device, the front of water outlet device is equipped with the water outlet device switch, the top of boiler body is equipped with the gas release hole, be equipped with the inlet opening on one side of gas release hole, the front of boiler body is equipped with the switch door, the switch door openly is equipped with coal mouth and clear coal mouth, the inside of boiler body is equipped with conducting strip, heated warehouses and outlet pipe, and goes out water piping connection water outlet device, the inside separating layer that is equipped with in heated warehouses, the opposite side of boiler body is equipped with the maintenance ladder. This boiler convenient to maintain locates the right side center department of boiler body through maintaining the ladder, has reached the beneficial effect that can be more convenient maintain the boiler body.

Although the device is convenient to maintain the hot water boiler body, the hot water boiler and the whole heat supply network system of the device are filled with water under normal conditions and flow in a unidirectional mode, when vaporization occurs, the gas is carried by the water and flows together to form a vapor bubble or a vapor column, CO2, O2, N2 and other gases dissolved in the water and escaping after the water is heated exist in the gas, and water vapor generated by water vaporization also exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler return water ejector to solve the problem that proposes in the above-mentioned background art.

In order to realize the purpose, the utility model provides a boiler return water ejector, the novel nipple rectifier comprises a cylindrical shel, the bottom of barrel is provided with furnace, the inside level of barrel is provided with the screw thread tobacco pipe, the one end of barrel is provided with the exhanst gas outlet, the one end and the exhanst gas outlet of screw thread tobacco pipe are connected, the one end that exhanst gas outlet was kept away from to the barrel is provided with preceding smoke box, the both sides of barrel are connected with the water wall pipe, the collection case about the outside of water wall pipe is connected with, the downtake and barrel intercommunication are passed through to the one end of controlling the collection case, the chain grate is installed to furnace's bottom.

Preferably, tube plates are installed at two ends of the cylinder.

Preferably, the top of the cylinder body is sequentially provided with a pressure gauge, a steam collection tank and a safety valve, and one side of the steam collection tank is provided with a hot water outlet.

Preferably, one end of the bottom of the barrel is provided with a sewage draining outlet, and two sides of the bottom of the barrel are connected with sewage draining pipes.

Preferably, a rear arch is arranged inside the hearth, and a fire door is arranged in the middle of the rear arch.

Preferably, the outer wall of the hearth is provided with an insulating layer.

Preferably, one end of the left header and the right header is provided with a hot water return port, and the outer end of the hot water return port is provided with a return valve.

Preferably, an escalator is installed outside one side of the cylinder, and a slag remover is installed outside the cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

among this boiler return water ejector, thereby the water velocity of having improved the water wall pipe greatly through installing the return water mouth additional effectively prevents the supercooling boiling, prevent the pipe explosion, sound and vibration phenomenon appear, introduce boiler inside with the water in the header pipe fast through the water wall pipe, realize the heat cycle, improve heat exchange efficiency, the rivers of water rethread downcomer in the entering boiler in to the header pipe supply, return water secret jet device forms vacuum state and sprays the rivers of downcomer supply through the nozzle, improve the velocity of water flow, increase hydrologic cycle's reliability, finally follow the high-speed blowout of flushing pipe and tedge, make the rivers constantly circulate, increase rivers heat transfer rate, the thermal efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of a half-section structure of one end of the present invention.

The various reference numbers in the figures mean:

1. a cylinder body; 11. a tube sheet; 12. a pressure gauge; 13. a vapor collection tank; 131. a hot water outlet; 14. a safety valve; 15. a flue gas outlet; 16. a sewage draining outlet; 17. a front smoke box; 2. a hearth; 21. a rear arch; 22. a fire door; 23. a heat-insulating layer; 24. a sewage discharge pipe; 3. a threaded smoke tube; 4. a left collection box and a right collection box; 41. a hot water return port; 411. a water return valve; 5. a water wall tube; 6. a traveling grate; 7. an escalator; 8. a slag remover; 9. a downcomer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a boiler return water ejector, as shown in fig. 1-3, including barrel 1, the bottom of barrel 1 is provided with furnace 2, the inside level of barrel 1 is provided with threaded smoke tube 3, the one end of barrel 1 is provided with exhanst gas outlet 15, threaded smoke tube 3's one end is connected with exhanst gas outlet 15, the flue gas of being convenient for is discharged, strengthened heat transfer effect has been obtained through threaded smoke tube 3, reach the boiler intensification, the fast characteristics step-up, the thermal efficiency of boiler has been improved, heat transfer coefficient and thermal efficiency have been improved, because the flue gas has the disturbing action in the pipe, be difficult for the deposition in the smoke tube, play the effect of self-cleaning, the one end that 15 of exhanst gas outlet was kept away from to barrel 1 is provided with preceding smoke box 17, the both sides of barrel 1 are connected with water wall tube 5, be used for carrying out the water-cooling, water wall tube 5's outside is connected with left and right sides collection case 4, the one end of left and right sides collection case 4 is passed through downcomer 9 and barrel 1 intercommunication, furnace 6 is installed to the bottom of furnace 2.

In this embodiment, tube plates 11 are installed at two ends of the cylinder 1 to ensure that the threaded smoke tube 3 passes through and is fixed.

Specifically, the top of the cylinder 1 is sequentially provided with a pressure gauge 12, a steam collection tank 13 and a safety valve 14 to ensure pressure safety, and one side of the steam collection tank 13 is provided with a hot water outlet 131 for discharging hot water.

Further, one end of the bottom of the barrel body 1 is provided with a sewage discharge port 16, and two sides of the bottom of the barrel body 1 are connected with sewage discharge pipes 24 for sewage discharge operation.

Furthermore, a rear arch 21 is arranged in the hearth 2, and has a certain dust-settling effect, so that the original dust-discharging concentration of the boiler is controlled below the standard, the smoke dust emission of the boiler reaches the national environmental protection standard, and a fire poking door 22 is arranged in the middle of the rear arch 21.

Further, the outer wall of the hearth 2 is provided with a heat preservation layer 23, so that a good heat preservation effect is achieved.

Example 2

In order to further improve the effect of controlling the return water of the hot water, in embodiment 1, a hot water return port 41 is provided at one end of each of the left and right headers 4, and a return valve 411 is installed at an outer end of the hot water return port 41 to control a return water switch.

Furthermore, one side externally mounted of barrel 1 has staircase 7, conveniently maintains, and the slagging-off machine 8 is installed in the outside of barrel 1, makes things convenient for the clearance of wastes material.

The utility model discloses a boiler return water ejector is when using, at first with the boiler burning, the fuel gets into furnace 2 and burns on grate 6, the flue gas of production gets into two wings convection bank along 1 bottoms of barrel via the export smoke window on the splayed wall, and get into threaded smoke pipe 3 through preceding smoke box 17, at last through the energy-saving appliance, the dust remover, draw by the draught fan and emit into the atmosphere through the chimney, the collection case 4 about system return water or make-up water got into by hot water return water mouth, after 5 abundant endotherms of water wall pipe, get into 1 threaded smoke pipe 3 heats of immersing in the aquatic of barrel absorption, get into collection vapour tank 13 degasification back, supply to with the thermal unit.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a boiler return water ejector, includes barrel (1), its characterized in that: the improved spiral-grate boiler is characterized in that a hearth (2) is arranged at the bottom of the barrel (1), a threaded smoke tube (3) is horizontally arranged in the barrel (1), a smoke outlet (15) is formed in one end of the barrel (1), one end of the threaded smoke tube (3) is connected with the smoke outlet (15), a front smoke box (17) is arranged at one end, far away from the smoke outlet (15), of the barrel (1), water-cooled wall tubes (5) are connected to two sides of the barrel (1), left and right header boxes (4) are connected to the outer sides of the water-cooled wall tubes (5), one end of each left and right header box (4) is communicated with the barrel (1) through a down pipe (9), and a chain grate (6) is installed at the bottom of the hearth (2).

2. The hot water boiler return water ejector according to claim 1, characterized in that: tube plates (11) are arranged at two ends of the cylinder body (1).

3. The hot water boiler return water ejector according to claim 1, characterized in that: the top of the cylinder body (1) is sequentially provided with a pressure gauge (12), a steam collection tank (13) and a safety valve (14), and one side of the steam collection tank (13) is provided with a hot water outlet (131).

4. The hot water boiler return water ejector according to claim 1, characterized in that: a sewage draining outlet (16) is formed in one end of the bottom of the barrel body (1), and sewage draining pipes (24) are connected to two sides of the bottom of the barrel body (1).

5. The hot water boiler return water ejector according to claim 1, characterized in that: the furnace is characterized in that a rear arch (21) is arranged inside the furnace (2), and a fire door (22) is arranged in the middle of the rear arch (21).

6. The hot water boiler return water ejector according to claim 1, characterized in that: and a heat-insulating layer (23) is arranged on the outer wall of the hearth (2).

7. The hot water boiler return water ejector according to claim 1, characterized in that: the one end of controlling collection case (4) is provided with hot water return water mouth (41), return water valve (411) are installed to the outer end of hot water return water mouth (41).

8. The hot water boiler return water ejector according to claim 1, characterized in that: the escalator is characterized in that an escalator (7) is installed outside one side of the barrel (1), and a slag remover (8) is installed outside the barrel (1).

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