CN215638932U - Shell-and-tube boiler energy saver - Google Patents

Abstract

The utility model provides a tube-shell boiler economizer which comprises an economizer shell, a middle partition plate, baffles, a smoke conveying tube, a water conveying tube and a first arc-shaped cover, wherein the left end surface and the right end surface of the economizer shell are respectively provided with the baffles, the left end surface of the baffle at the left end is provided with the first arc-shaped cover, the right end surface of the baffle at the right end is provided with the second arc-shaped cover, the upper surface of the economizer shell is provided with a cavity outlet, the lower surface of the economizer shell is provided with a cavity inlet, the economizer shell is internally provided with a plurality of water conveying tubes, the smoke conveying tube is arranged inside the economizer shell, the second arc-shaped cover is internally provided with a plurality of connecting bent tubes, the design realizes that two different gases or liquids can be simultaneously heated through the smoke pipe, so as to improve the utilization rate of smoke heat, and water can be added into the economizer shell to play a role of a miniature steam engine, the functions are more and more convenient when in use.

Description

Shell-and-tube boiler energy saver

Technical Field

The utility model relates to a tube-shell type boiler economizer, belonging to the technical field of economizers.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler energy-saving device is arranged at the tail part of the boiler, the exhaust gas temperature of the boiler is reduced by utilizing the heat exchange principle, the temperature of the boiler feed water is improved, so that the purposes of saving fuel and energy conservation and environmental protection are achieved, hot water or steam generated in the boiler can directly provide required heat energy for industrial production and people life through the boiler energy-saving device, and the hot water or the steam can be converted into mechanical energy through the steam power device or the mechanical energy is converted into electric energy through the generator.

However, when the boiler economizer is used, the heat of the flue gas of the boiler cannot be completely utilized, so that partial heat can be dissipated, the high-efficiency energy conservation of the boiler economizer is not facilitated, and a shell-and-tube boiler economizer is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a tube-shell type boiler economizer to solve the problems in the background art, and the tube-shell type boiler economizer is reasonable in structure and can utilize the heat of the flue gas of a boiler to the maximum extent.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a shell and tube boiler energy-saving appliance, includes energy-saving appliance shell, intermediate baffle, defeated tobacco pipe, raceway and arc lid No. one, the baffle is installed respectively to the left end face and the right-hand member face of energy-saving appliance shell, the left end the arc lid is installed No. one to the left end face of baffle, the right-hand member face-mounting of baffle has No. two arc lids, the upper surface of energy-saving appliance shell is provided with out the accent, the lower surface of energy-saving appliance shell is provided with into the accent, the internally mounted of energy-saving appliance shell has a plurality of raceway, the internally mounted of energy-saving appliance shell has defeated tobacco pipe, the internally mounted of No. two arc lids has a plurality of connecting bending.

Further, the upper surface of an arc lid is provided with the outlet pipe, an arc lid and outlet pipe intercommunication, the lower surface of an arc lid is provided with the inlet tube, an arc lid and inlet tube intercommunication, the terminal surface is run through by the middle part baffle about the left end baffle to the left end face of middle part baffle is connected with the inside fixed surface of an arc lid.

Furthermore, each water conveying pipe penetrates through the left end face and the right end face of each baffle respectively, the water conveying pipes are divided into two groups and are respectively installed at the upper end and the lower end of the middle partition plate, the smoke conveying pipes are installed on the inner sides of the water conveying pipes, and the upper surfaces and the lower surfaces of the middle partition plates are penetrated by the smoke conveying pipes.

Furthermore, two conveying holes are formed in the upper end and the lower end of the baffle at the right end respectively, and two ends of the connecting bent pipe are communicated with the two corresponding water conveying pipes respectively.

Furthermore, a sealing gasket is arranged on the contact surface of the smoke conveying pipe and the middle partition plate, and a sealing gasket is arranged on the contact surface of the smoke conveying pipe and the baffle plate.

Further, the inside spout of having seted up of inlet pipe, spout internal assembly has two sets of sliders, and the inside upside of spout all is equipped with miniature pneumatic support rod, and miniature pneumatic support rod right side is equipped with the slider, and the slider is fixed with the filter screen through the fixed screw.

The utility model has the beneficial effects that: according to the tube-shell type boiler economizer, the water delivery pipe, the smoke delivery pipe, the connecting bent pipe, the middle partition plate, the cavity inlet, the first arc-shaped cover and the second arc-shaped cover of the cavity outlet and the baffle are added, so that two different gases or liquids can be heated simultaneously through the smoke pipe, the utilization rate of smoke heat is improved, water can be added into the shell of the economizer to play a role of serving as a miniature steam engine, and the tube-shell type boiler economizer has more functions and is more convenient to use.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of an economizer for a shell and tube boiler of the present invention;

FIG. 2 is a front sectional view of an economizer for a shell and tube boiler according to the present invention;

FIG. 3 is a side sectional view of an economizer for a shell and tube boiler in accordance with the present invention;

FIG. 4 is a schematic diagram illustrating the position of a water inlet pipe in an economizer for a shell and tube boiler according to the present invention;

in the figure: 1-energy saver casing, 2-baffle, 21-delivery hole, 3-arc cover, 31-water inlet pipe, 311-miniature pneumatic support rod, 312-slide block, 313-filter screen, 314-chute, 32-water outlet pipe, 4-water delivery pipe, 5-smoke delivery pipe, 6-second arc cover, 7-connecting bend pipe, 8-middle partition board, 9-smoke inlet pipe, 10-smoke outlet pipe, 11-cavity outlet, 12-cavity inlet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a shell and tube boiler energy-saving appliance, including energy-saving appliance shell 1, middle part baffle 8, baffle 2, defeated tobacco pipe 5, raceway 4 and arc lid 3 No. one, baffle 2 is installed respectively to the left end face and the right-hand member face of energy-saving appliance shell 1, arc lid 3 is installed No. one to the left end face of the baffle 2 of left end, No. two arc lids 6 are installed to the right-hand member face of the baffle 2 of right-hand member, the upper surface of energy-saving appliance shell 1 is provided with out accent 11, the lower surface of energy-saving appliance shell 1 is provided with into accent 12, the internally mounted of energy-saving appliance shell 1 has a plurality of raceway 4, the internally mounted of energy-saving appliance shell 1 has defeated tobacco pipe 5, the internally mounted of No. two arc lids 6 has a plurality of connecting bending 7.

The upper surface of an arc lid 3 is provided with outlet pipe 32, an arc lid 3 and outlet pipe 32 intercommunication, and the lower surface of an arc lid 3 is provided with inlet tube 31, an arc lid 3 and inlet tube 31 intercommunication, and the terminal surface is run through by middle part baffle 8 about left end baffle 2 to the left end face of middle part baffle 8 is connected with 3 inside fixed surface of an arc lid.

Every raceway 4 runs through about two baffles 2 terminal surfaces respectively, raceway 4 divide into two sets ofly, installs respectively in the upper end and the lower extreme of middle part baffle 8, defeated tobacco pipe 5 installs the inboard at raceway 4, and middle part baffle 8's upper surface and lower surface are run through by defeated tobacco pipe 5, and defeated tobacco pipe 5 adopts the spiral, can make the route of flue gas longer, and the heat of transmission is more to the heat of transmission can be better heats raceway 4.

Two conveying holes 21 are respectively formed in the upper end and the lower end of the baffle 2 at the right end, and two ends of the connecting bent pipe 7 are respectively communicated with the two corresponding water conveying pipes 4.

The contact surface of the smoke conveying pipe 5 and the middle partition plate 8 is provided with a sealing gasket, the contact surface of the water conveying pipe 4 and the baffle plate 2 is provided with a sealing gasket, the sealing gasket can prevent the fluid in the water conveying pipe 4 and the fluid in the energy saver housing 1 from being polluted mutually, the inside of the water inlet pipe 31 is provided with a chute 314, the upper side in the chute 314 is provided with a micro pneumatic support rod 311, the right side of the micro pneumatic support rod 311 is provided with a slide block 312, the slide block 312 is fixed with a filter screen 313 through a fixing screw, the filter screen is arranged in the water inlet pipe to filter impurities, when the filter screen needs to be replaced, the filter screen is pressed, the filter screen extrudes the miniature pneumatic support rod in the water inlet pipe, the miniature pneumatic support rod generates a reaction force to move the slide block to the right from the chute, the filter screen is moved out of the water inlet pipe, the filter screen is fixed, detached and replaced by the fixing screws, so that the use convenience of the filter screen is improved.

As an embodiment of the present invention: firstly, an air pipe of a boiler is communicated with a smoke inlet pipe 9, then smoke of the boiler enters a smoke conveying pipe 5 from the smoke inlet pipe 9, heat is transferred to the smoke conveying pipe 5, tap water is introduced into a water inlet pipe 31, a first arc-shaped cover 3 is divided into an upper end and a lower end by a middle partition plate 8, so the tap water can only enter the water conveying pipe 4, then enters the water conveying pipe 4 at the upper end through a connecting bent pipe 7, finally is discharged from a water outlet pipe 32 through the upper end of the first arc-shaped cover 3, then fluid needing to be heated is input into a cavity inlet 12, both gas and liquid can be used, after the fluid enters the energy saver shell 1, the fluid enters a second arc-shaped cover 6 from a conveying hole 21 at the lower end, then enters the upper end of the energy saver shell 1 from a conveying hole 21 at the upper end, finally is discharged from a cavity outlet 11, the smoke conveying pipe 5 can transfer heat to the fluid in the whole process, and the water conveying pipe 4 can be heated at the same time, thereby heating the tap water inside the water duct 4.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a shell and tube boiler energy-saving appliance, includes energy-saving appliance shell (1), middle part baffle (8), baffle (2), defeated tobacco pipe (5), raceway (4) and an arc lid (3), its characterized in that: baffle (2) are installed respectively to the left end face and the right-hand member face of energy-saving appliance shell (1), the left end the arc lid (3) is installed No. one to the left end face of baffle (2), the right-hand member face of baffle (2) is installed No. two arc lids (6), the upper surface of energy-saving appliance shell (1) is provided with out accent (11), the lower surface of energy-saving appliance shell (1) is provided with into accent (12), the internally mounted of energy-saving appliance shell (1) has a plurality of raceway (4), the internally mounted of energy-saving appliance shell (1) has defeated tobacco pipe (5), the internally mounted of No. two arc lids (6) has a plurality of connecting bend (7).

2. The economizer for a shell and tube boiler of claim 1, wherein: the upper surface of an arc lid (3) is provided with outlet pipe (32), outlet pipe (32) and an arc lid (3) intercommunication, the lower surface of an arc lid (3) is provided with inlet tube (31), inlet tube (31) and an arc lid (3) intercommunication, middle part baffle (8) run through the left and right sides terminal surface of left end baffle (2) to the left end face of middle part baffle (8) is connected with an arc lid (3) inside fixed surface.

3. The economizer for a shell and tube boiler of claim 1, wherein: each water conveying pipe (4) penetrates through the left end face and the right end face of each baffle (2), the water conveying pipes (4) are divided into two groups and are respectively installed at the upper end and the lower end of the middle partition plate (8), the smoke conveying pipes (5) are installed on the inner side of each water conveying pipe (4), and the smoke conveying pipes (5) penetrate through the upper surface and the lower surface of the middle partition plate (8).

4. The economizer for a shell and tube boiler of claim 1, wherein: two conveying holes (21) are respectively formed in the upper end and the lower end of the baffle (2) at the right end, and two ends of the connecting bent pipe (7) are respectively communicated with the two corresponding water conveying pipes (4).

5. The economizer for a shell and tube boiler of claim 1, wherein: the sealing gasket is arranged on the contact surface of the smoke conveying pipe (5) and the middle partition plate (8), and the sealing gasket is arranged on the contact surface of the water conveying pipe (4) and the baffle plate (2).

6. The shell and tube boiler economizer of claim 2 wherein: the inside spout (314) of having seted up of inlet tube (31), spout (314) internal assembly has two sets of sliders (312), and the inside upside of spout (314) all is equipped with miniature pneumatic support pole (311), and miniature pneumatic support pole (311) right side is equipped with slider (312), and slider (312) are fixed with filter screen (313) through the set screw.

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