CN212511057U

CN212511057U - Coal economizer

Info

Publication number: CN212511057U
Application number: CN202023229151.4U
Authority: CN
Inventors: 解永智; 李庆春; 耿玉霞; 赵梦越; 刘芳
Original assignee: Shengli Oil Field Shenghua Industry Co ltd
Current assignee: Shengli Oil Field Shenghua Industry Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-02-09
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an economizer relates to boiler tail gas treatment technical field, including first fixed plate and second fixed plate, fixed mounting has hollow rectangular body between first fixed plate and the second fixed plate, the bottom fixed mounting of first fixed plate has first support column, the bottom fixed mounting of first support column has first base, the bottom fixed mounting of second fixed plate has the second support column. An economizer, when taking place to leak, in water whereabouts to hollow four-edge platform, pass the thru hole that thermal-insulated stopper middle part was seted up then and get into hollow cylinder's inside, drip on heat conduction baffle, the heat that it carried conducts to temperature switch via heat conduction baffle, the temperature risees makes temperature switch automatic closed, the power provides the electric energy for bee calling organ, bee calling organ makes the sound, thereby make the leakage early warning rapidly when the leakage opening is in the initial stage, avoid causing great loss, bring better use prospect.

Description

Coal economizer

Technical Field

The utility model relates to a boiler tail gas treatment technical field, in particular to economizer.

Background

The economizer is a device which is arranged at the lower part of a flue at the tail part of a boiler and used for recovering the waste heat of exhausted smoke, heats the water fed by the boiler into a heating surface of saturated water under the pressure of a steam drum, and is called as the economizer because the economizer absorbs the heat of high-temperature smoke, reduces the exhaust temperature of the smoke, saves energy and improves the efficiency.

The existing economizer has certain defects when in use, does not have the leakage early warning function when the pipeline leaks, and most leakage ports become larger along with the increasing of time. When the leakage opening is in the initial stage, can't in time discover and handle, can cause great loss, appear leaking in a large number behind the leakage opening grow, still can influence the supply to the boiler, for this reason, we provide one kind can send the early warning to the leakage condition to have the economizer of the maintenance of being convenient for simultaneously concurrently.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an economizer can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an economizer comprises a first fixing plate and a second fixing plate, wherein a hollow rectangular body is fixedly installed between the first fixing plate and the second fixing plate, a first supporting column is fixedly installed at the bottom of the first fixing plate, a first base is fixedly installed at the bottom of the first supporting column, a second supporting column is fixedly installed at the bottom of the second fixing plate, a second base is fixedly installed at the bottom of the second supporting column, a coil pipe is fixedly installed between the first fixing plate and the second fixing plate and located inside the hollow rectangular body, a flue gas inlet pipeline is fixedly connected to the front side of the hollow rectangular body and communicated with the inside of the hollow rectangular body, a first flange is fixedly installed at the front end of the flue gas inlet pipeline, a flue gas outlet pipeline is fixedly connected to the rear side of the hollow rectangular body and communicated with the inside of the hollow rectangular body, the rear end of the flue gas discharge pipeline is fixedly connected with a second flange, a hollow rectangular frustum is fixedly installed at the bottom of the hollow rectangular body, the interior of the hollow rectangular frustum is communicated with the interior of the hollow rectangular body, the hollow rectangular body is formed by assembling four groups of plate bolts, and a pre-warning device is fixedly installed at the bottom of the hollow rectangular frustum.

Preferably, first hole site and second hole site have been seted up on the second fixed plate, the input of coil pipe passes first hole site and extends to the outside of second fixed plate, the output of coil pipe passes the outside that the second hole site extends to the second fixed plate, the input of coil pipe and output difference fixed mounting have input ring flange, output ring flange.

Preferably, the early warning device comprises a buzzer, a temperature switch, a heat conduction partition plate, a heat insulation plug, a power supply and a hollow cylinder, the top of the hollow cylinder is open, the bottom of the hollow cylinder is closed, and the top of the hollow cylinder is fixedly connected with the bottom of the hollow quadrangular frustum pyramid.

Preferably, the heat insulation plug is fixedly installed inside the hollow cylinder, the heat conduction partition plate is located below the heat insulation plug, a through hole is formed in the middle of the heat insulation plug, and a through hole is formed in the hollow cylinder.

Preferably, the buzzer is fixedly installed on the inner wall of the hollow cylinder, the power supply is fixedly installed on the outer wall of the hollow cylinder, the power supply is electrically connected with the buzzer, the temperature switch is arranged on a circuit between the power supply and the buzzer, and the temperature switch is fixedly installed at the bottom of the heat conducting partition plate.

Compared with the prior art, the utility model discloses following beneficial effect has: this economizer, under the effect of flue gas, the temperature of water risees in the coil pipe, when the pipeline takes place to leak, fall to hollow four arris platforms under water in, pass the inside that the thru hole that thermal-insulated stopper middle part was seted up gets into hollow cylinder then, drip on heat conduction baffle, the heat that it carried conducts to temperature switch via heat conduction baffle, the temperature risees and makes temperature switch automatic closure, the power provides the electric energy for bee calling organ, bee calling organ makes the sound, thereby make the early warning of leaking rapidly when leaking the mouth and being in the initial stage, hollow square body is four group's panel that the bolt was assembled, can dismantle one of them group or multiunit panel according to the demand, overhaul the coil pipe, avoid causing great loss, do benefit to people and use, whole economizer simple structure, high durability and convenient operation, the effect of using is better for traditional mode.

Drawings

Fig. 1 is a front view of the economizer of the present invention.

Fig. 2 is a partial view of the economizer of the present invention.

Fig. 3 is a schematic structural diagram of the early warning device in the economizer of the present invention.

Fig. 4 is a top view of the hollow rectangular body in the economizer of the present invention.

Fig. 5 is a rear view of the economizer of the present invention.

In the figure: 1. a first fixing plate; 2. a second fixing plate; 3. a hollow rectangular body; 4. a first support column; 5. a second support column; 6. a first base; 7. a second base; 8. a hollow quadrangular frustum pyramid; 9. an early warning device; 10. a buzzer; 11. an input end flange plate; 12. an output end flange plate; 13. a coil pipe; 14. a temperature switch; 15. a thermally conductive spacer; 16. a thermal insulating plug; 17. through holes; 18. a through hole; 19. the flue gas enters a pipeline; 20. a first flange; 21. a flue gas discharge duct; 22. a second flange; 23. a power source; 24. a hollow cylinder.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, an economizer comprises a first fixing plate 1 and a second fixing plate 2, a hollow rectangular body 3 is fixedly installed between the first fixing plate 1 and the second fixing plate 2, a first supporting column 4 is fixedly installed at the bottom of the first fixing plate 1, a first base 6 is fixedly installed at the bottom end of the first supporting column 4, a second supporting column 5 is fixedly installed at the bottom of the second fixing plate 2, a second base 7 is fixedly installed at the bottom end of the second supporting column 5, a coil pipe 13 is also fixedly installed between the first fixing plate 1 and the second fixing plate 2, the coil pipe 13 is located inside the hollow rectangular body 3, a flue gas inlet pipe 19 is fixedly connected to the front side of the hollow rectangular body 3, the flue gas inlet pipe 19 is communicated with the inside of the hollow rectangular body 3, a first flange 20 is fixedly installed at the front end of the flue gas inlet pipe 19, a flue gas outlet pipe 21 is fixedly connected to the rear side of the hollow rectangular body 3, the flue gas discharge pipe 21 is communicated with the inside of the hollow rectangular body 3, the rear end of the flue gas discharge pipe 21 is fixedly connected with a second flange 22, the bottom of the hollow rectangular body 3 is fixedly provided with a hollow rectangular frustum 8, the inside of the hollow rectangular frustum 8 is communicated with the inside of the hollow rectangular body 3, the hollow rectangular body 3 is formed by assembling four groups of plate bolts, and the bottom of the hollow rectangular frustum 8 is fixedly provided with a pre-alarm 9.

Further, first hole site and second hole site have been seted up on the second fixed plate 2, the input of coil pipe 13 passes first hole site and extends to the outer one side of second fixed plate 2, the output of coil pipe 13 passes the outside that the second hole site extends to second fixed plate 2, there are input ring flange 11, output ring flange 12 at the input of coil pipe 13 and output difference fixed mounting, input ring flange 11 and output ring flange 12's design can be convenient for dock with boiler feed line.

Furthermore, the early warning device 9 is composed of a buzzer 10, a temperature switch 14, a heat conducting partition plate 15, a heat insulating plug 16, a power supply 23 and a hollow cylinder 24, wherein the top of the hollow cylinder 24 is open, the bottom of the hollow cylinder 24 is closed, and the top of the hollow cylinder 24 is fixedly connected with the bottom of the hollow quadrangular frustum pyramid 8, so that the early warning device is firmly installed at the bottom of the hollow quadrangular frustum pyramid 8.

Further, the heat insulation plug 16 is fixedly installed inside the hollow cylinder 24, the heat conduction partition plate 15 is located below the heat insulation plug 16, the middle of the heat insulation plug 16 is provided with the through hole 17, the hollow cylinder 24 is provided with the through hole 18, and when leakage occurs, water falls into the hollow quadrangular frustum pyramid 8 and then enters the hollow cylinder 24 through the through hole 17 formed in the middle of the heat insulation plug 16.

Further, buzzer 10 fixed mounting is in the inner wall of hollow cylinder 24, power 23 fixed mounting is in the outer wall of hollow cylinder 24, power 23 and buzzer 10 electric connection, temperature switch 14 sets up on the circuit between power 23 and buzzer 10, and temperature switch 14 fixed mounting is in the bottom of heat conduction partition plate 15, water drips on heat conduction partition plate 15 after getting into hollow cylinder 24 bottom inside, the heat that it carried conducts to temperature switch 14 via heat conduction partition plate 15, the temperature risees makes temperature switch 14 automatic closure, power 23 provides the electric energy for buzzer 10, buzzer 10 makes the sound, thereby make the early warning of leaking.

It should be noted that, the utility model relates to a coal economizer, before using, at first butt joint the pipeline, the input and the output of coil pipe 13 insert in the boiler supply pipe, make the feed water pass through coil pipe 13 before getting into the boiler, flue gas gets into pipeline 19 and flue gas exhaust pipe 21 inserts in the flue gas exhaust pipe, make the flue gas pass through the inside of hollow rectangular solid 3 before discharging, when using, the flue gas gets into the inside of hollow rectangular solid 3, the heat that contains in the flue gas conducts to the inside of coil pipe 13, preheat the feed water, improve the heat utilization ratio, save resources, when coil pipe 13 leaks, fall to hollow rectangular solid 8 under water, then pass through thru hole 17 that thermal insulation plug 16 middle part was seted up and get into the inside of hollow cylinder 24, drip on thermal insulation baffle 15, the heat that it carried conducts to temperature switch 14 via thermal insulation baffle 15, temperature rise makes temperature switch 14 automatically closed, the power 23 provides the electric energy for bee calling organ 10, and bee calling organ 10 makes the sound to this makes the early warning of leaking, and hollow square body 3 comprises four group's panels, and four group's panels are assembled through the bolt, can dismantle wherein behind a set of or multiunit panel according to the demand, can overhaul coil pipe 13, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal economizer, includes first fixed plate (1) and second fixed plate (2), its characterized in that: the utility model discloses a flue gas purification device, including first fixed plate (1), second fixed plate (2), first support column (4), first base (6) are fixedly installed to the bottom fixed mounting of first fixed plate (1), the bottom fixed mounting of second support column (4), the bottom fixed mounting of second fixed plate (2) has second support column (5), the bottom fixed mounting of second support column (5) has second base (7), still fixed mounting has coil pipe (13) between first fixed plate (1) and second fixed plate (2), coil pipe (13) are located the inside of hollow rectangular solid (3), the front side fixedly connected with flue gas entering pipeline (19) of hollow rectangular solid (3), flue gas entering pipeline (19) communicates with each other with the inside of hollow rectangular solid (3), the front end fixed mounting of flue gas entering pipeline (19) has first flange (20), the rear side fixedly connected with flue gas exhaust pipe (21) of hollow square body (3), flue gas exhaust pipe (21) communicates with each other with the inside of hollow square body (3), the rear end fixedly connected with second flange (22) of flue gas exhaust pipe (21), the bottom fixed mounting of hollow square body (3) has hollow rectangular terrace (8), the inside of hollow rectangular terrace (8) and the inside intercommunication of hollow square body (3), hollow square body (3) are assembled for four groups of panel bolts and constitute, the bottom fixed mounting of hollow rectangular terrace (8) has early warning ware (9).

2. An economizer as claimed in claim 1 wherein: first hole site and second hole site have been seted up on second fixed plate (2), the input of coil pipe (13) passes first hole site and extends to the outside of second fixed plate (2), the output of coil pipe (13) passes the outside that the second hole site extends to second fixed plate (2), the input and the output of coil pipe (13) are fixed mounting respectively has input ring flange (11), output ring flange (12).

3. An economizer as claimed in claim 1 wherein: the early warning device (9) comprises a buzzer (10), a temperature switch (14), a heat conducting partition plate (15), a heat insulation plug (16), a power supply (23) and a hollow cylinder (24), wherein the top of the hollow cylinder (24) is opened, the bottom of the hollow cylinder (24) is sealed, and the top of the hollow cylinder (24) is fixedly connected with the bottom of the hollow quadrangular frustum pyramid (8).

4. An economizer as claimed in claim 3 wherein: the heat insulation plug (16) is fixedly arranged inside the hollow cylinder (24), the heat conduction partition plate (15) is positioned below the heat insulation plug (16), the middle of the heat insulation plug (16) is provided with a through hole (17), and the hollow cylinder (24) is provided with a through hole (18).

5. An economizer as claimed in claim 3 or 4, wherein: buzzer (10) fixed mounting is in the inner wall of hollow cylinder (24), power (23) fixed mounting is in the outer wall of hollow cylinder (24), power (23) and buzzer (10) electric connection, temperature switch (14) set up on the circuit between power (23) and buzzer (10), and temperature switch (14) fixed mounting is in the bottom of heat conduction baffle (15).