CN214120861U

CN214120861U - Heating structure of boiler water supply system

Info

Publication number: CN214120861U
Application number: CN202022677477.7U
Authority: CN
Inventors: 李文斌
Original assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Current assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-09-03
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the technical field of the cooling water heating, especially, boiler water supply system's heating structure can not utilize the machine heat dissipation to preheat the cooling water to current heating structure, has increaseed the problem of the loss of resource, now proposes following scheme, and it includes the boiler, and one side of boiler is provided with preheating cylinder, be provided with spiral winding pipe in the preheating cylinder, spiral winding pipe's both ends are connected with inlet tube and delivery pipe respectively, and the delivery pipe is linked together with the boiler, and preheating cylinder's bottom intercommunication has the rose box, and swing joint has the filter box in the rose box, and the bottom of rose box is provided with the ash discharge mouth, is provided with the baffle in the ash discharge mouth, and a plurality of gas pockets have all been seted up to the top and the bottom of filter box, and one side of filter box is the opening, is provided with first filter screen, second filter screen and third filter screen in the filter box. The utility model discloses can utilize the machine heat dissipation to preheat the cooling water, reduce the loss of resource.

Description

Heating structure of boiler water supply system

Technical Field

The utility model relates to a cooling water heating technical field especially relates to a boiler water supply system's heating structure.

Background

With the rapid development of national economy and the continuous improvement of living standard, the demand of production and life of people on electric power is increasing day by day, and how to ensure the quality and quantity of safe and green production of power plants as power generation units becomes an important factor of national production. However, China is restricted by energy supply, more than 65% of electric power is generated in a coal-electricity mode, great challenges are brought to green development of clean production advocated by the nation, and with formal implementation of national standard 'energy consumption limit of cogeneration unit products' GB35574-2017, the coal consumption for power supply is required to be not higher than 305gce/kwh, which brings great challenges to cogeneration units, technical upgrading must be continuously carried out, the power generation efficiency of boilers is improved, the service power is reduced, and the national standard requirements can be met. The boiler water supply system is an important component for boiler operation, and mainly has the advantages that the water supply quantity continuously meets the evaporation quantity of a boiler, the water level in a boiler steam drum is kept within a certain reasonable range, through energy efficiency analysis on the system, the power consumption of the boiler water supply system accounts for 25% of the power consumption of a power station, the boiler water supply system is an important energy consumption working section of a thermal power station, how to fundamentally reduce the energy consumption of the water supply system, the economic operation of equipment is realized, the operation cost is reduced, the boiler water supply system becomes important work of research and attack, the heat energy of circulating water is recycled through a heat pump technology, demineralized water is heated, the use of primary steam is reduced, the energy utilization rate is improved, and the coal consumption is reduced.

The existing boiler heats cooling water through coal mostly, and because coal is a non-renewable resource, resource waste is caused by long-term use, and the cooling water cannot be preheated by machine heat dissipation, so that resource loss is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing heating structure can not utilize the machine to dissipate heat and preheat the cooling water, thereby increasing the loss of resources and providing a heating structure of a boiler water supply system.

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

a heating structure of a boiler water supply system comprises a boiler, wherein a preheating cylinder is arranged on one side of the boiler, the preheating device is characterized in that a spiral winding pipe is arranged in the preheating cylinder, the two ends of the spiral winding pipe are respectively connected with a water inlet pipe and a water feeding pipe, the water feeding pipe is communicated with a boiler, the bottom of the preheating cylinder is communicated with a filter box, a filter box is movably connected in the filter box, an ash discharge port is formed in the bottom of the filter box, a baffle is arranged in the ash discharge port, a plurality of air holes are formed in the top and the bottom of the filter box, one side of the filter box is an opening, a first filter screen, a second filter screen and a third filter screen are arranged in the filter box, the aperture of the first filter screen, the aperture of the second filter screen and the aperture of the third filter screen gradually become smaller, a mounting hole is formed in one side of the filter box, the filter box is movably connected with the mounting hole, a mounting strip is fixedly arranged on the outer side of the filter box, the mounting strip is movably connected with the filter box, and one side of the filter box is communicated with a hot gas recovery inlet.

Preferably, two mounting grooves are formed in one side, close to the filter box, of the mounting strip, two mounting rods are fixedly mounted on one side of the filter box, and the two mounting rods are movably connected with the two mounting grooves respectively.

Preferably, the cavity has been seted up on the mounting bar, the column spinner is installed to the cavity internal rotation, two stay cord areas of outside fixedly connected with of column spinner, two stay cord areas are gone up and are all fixed and be provided with the arm-tie, the equal fixed mounting in one side that two arm-ties kept away from each other has the down tube pole, the down tube hole has all been seted up to the both sides inner wall of cavity, two down tube holes are linked together with two mounting grooves respectively, two down tube poles respectively with two down tube hole sliding connection, one-way draw-in groove has all been seted up to one side that two installation poles are close to each other, two down tube poles respectively with two one-way joint of one-way draw-in groove.

Preferably, the equal fixed mounting in one side that two arm-tie kept away from each other has the one end of extension spring, the other end of extension spring and the inner wall fixed mounting of cavity, and the one end of column spinner extends to the outside of cavity and fixed mounting has the handle board.

Preferably, equal fixed mounting has the trapezoidal support strip on the both sides inner wall of rose box, and trapezoidal support groove has all been seted up to the both sides of filter cartridge, and one side in two trapezoidal support grooves is the opening, two trapezoidal support strips respectively with two trapezoidal support groove sliding connection.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, hot gas enters the filter box and is filtered through the filter box and the first filter screen, the second filter screen and the third filter screen which are arranged in the filter box, so that dust can be filtered in multiple stages, and pollution of the dust to the spiral winding pipe can be avoided; the filtered hot gas enters the preheating cylinder to heat the interior of the preheating cylinder and the spiral winding pipe, cooling water is introduced through the water inlet pipe, the cooling water is preheated when passing through the spiral winding pipe and then enters the boiler through the water supply pipe, the temperature of the cooling water can be increased, and the loss of the boiler for heating the cooling water is reduced;

(2) when the filter box and the first filter screen, the second filter screen and the third filter screen which are arranged inside the filter box need to be disassembled and cleaned, the rotating handle plate drives the rotating column to rotate, the two pull ropes wound on the rotating column drive the two pull plates and the two inclined head rods to be close to each other and respectively leave the two one-way clamping grooves, the filter box can be pulled out from the filter box by the aid of the pull handle plate, the first filter screen, the second filter screen and the third filter screen are conveniently taken out and cleaned, and the filter box is convenient to clean.

The utility model discloses can utilize the machine heat dissipation to preheat the cooling water, reduce the loss of resource.

Drawings

Fig. 1 is a schematic structural diagram of a heating structure of a boiler water supply system according to the present invention;

fig. 2 is a schematic top view of a filter box, a mounting bar, a filter box, etc. of a heating structure of a boiler water supply system according to the present invention;

FIG. 3 is a schematic structural view of a portion A in FIG. 1 of a heating structure of a boiler water supply system according to the present invention;

fig. 4 is a schematic structural diagram of a portion B in fig. 2 of a heating structure of a boiler water supply system according to the present invention.

In the figure: 1 boiler, 2 preheating cylinder, 3 spiral winding pipe, 4 inlet tubes, 5 water supply pipe, 6 rose box, 7 steam recovery import, 8 row ash mouths, 9 filter box, 10 mounting bar, 11 handle board, 12 cavities, 13 oblique head pole, 14 mounting bar, 15 mounting grooves, 16 one-way draw-in groove, 17 extension springs, 18 column spinner, 19 gas pockets, 20 guy rope area, 21 trapezoidal support bar, 22 trapezoidal support groove, 23 first filter screen, 24 second filter screen, 25 third filter screen.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a heating structure of a boiler water supply system comprises a boiler 1, a preheating cylinder 2 is arranged on one side of the boiler 1, a spiral winding pipe 3 is arranged in the preheating cylinder 2, a water inlet pipe 4 and a water feeding pipe 5 are respectively connected to two ends of the spiral winding pipe 3, the water feeding pipe 5 is communicated with the boiler 1, a filter box 6 is communicated with the bottom of the preheating cylinder 2, a filter box 9 is movably connected in the filter box 6, an ash discharge port 8 is arranged at the bottom of the filter box 6, the inner wall of the bottom of the filter box 6 is obliquely arranged so as to facilitate ash discharge, a baffle is arranged in the ash discharge port 8, a plurality of air holes 19 are respectively arranged at the top and the bottom of the filter box 9, one side of the filter box 9 is an opening, a first filter screen 23, a second filter screen 24 and a third filter screen 25 are arranged in the filter box 9, the apertures of the first filter screen 23, the second filter screen 24 and the third filter screen 25 are gradually reduced, can improve the filter effect to the dust, the mounting hole has been seted up to one side of rose box 6, and rose box 9 and mounting hole swing joint, the outside fixed mounting of rose box 9 has mounting bar 10,

mounting bar

10 and 6 swing joint of rose box, and one side intercommunication of rose box 6 has steam to retrieve import 7.

In this embodiment, two mounting grooves 15 have been seted up to one side that the mounting bar 10 is close to rose box 6, and one side fixed mounting of rose box 6 has two installation poles 14, two installation poles 14 respectively with two mounting grooves 15 swing joint.

In this embodiment, cavity 12 has been seted up on mounting bar 10, column spinner 18 is installed to 12 internal rotations in cavity, two rope pulling belts 20 of outside fixedly connected with of column spinner 18, all the fixed arm-tie that is provided with on two rope pulling belts 20, the equal fixed mounting in one side that two arm-ties kept away from each other has down tube pole 13, the down tube hole has all been seted up to the both sides inner wall of cavity 12, two down tube holes are linked together with two mounting grooves 15 respectively, two down tube poles 13 respectively with two down tube hole sliding connection, one-way draw-in groove 16 has all been seted up to one side that two installation poles 14 are close to each other, two down tube poles 13 respectively with 16 one-way joints of two one-way draw-in grooves, the one end of down tube pole 13 sets up for the slope.

In this embodiment, the equal fixed mounting in one side that two arm-tie kept away from each other has the one end of extension spring 17, and the other end of extension spring 17 and the inner wall fixed mounting of cavity 12, the one end of column spinner 18 extend to the outside of cavity 12 and fixed mounting has handle board 11, and handle board 11 includes plectane and arc handle.

In this embodiment, equal fixed mounting has trapezoidal support bar 21 on the both sides inner wall of rose box 6, and trapezoidal support groove 22 has all been seted up to the both sides of filter cartridge 9, and one side of two trapezoidal support grooves 22 is the opening, and two trapezoidal support bars 21 respectively with two trapezoidal support grooves 22 sliding connection, set up trapezoidal support bar 21 and trapezoidal support groove 22 and can support filter cartridge 9.

Example two

Referring to fig. 1-4, a heating structure of a boiler water supply system comprises a boiler 1, a preheating cylinder 2 is arranged on one side of the boiler 1, a spiral winding pipe 3 is arranged in the preheating cylinder 2, a water inlet pipe 4 and a water feeding pipe 5 are respectively connected to two ends of the spiral winding pipe 3, the water feeding pipe 5 is communicated with the boiler 1, a filter box 6 is communicated with the bottom of the preheating cylinder 2, a filter box 9 is movably connected in the filter box 6, an ash discharge port 8 is arranged at the bottom of the filter box 6, the inner wall of the bottom of the filter box 6 is obliquely arranged so as to facilitate ash discharge, a baffle is arranged in the ash discharge port 8, a plurality of air holes 19 are respectively arranged at the top and the bottom of the filter box 9, one side of the filter box 9 is an opening, a first filter screen 23, a second filter screen 24 and a third filter screen 25 are arranged in the filter box 9, the apertures of the first filter screen 23, the second filter screen 24 and the third filter screen 25 are gradually reduced, can improve the filter effect to the dust, the mounting hole has been seted up to one side of rose box 6, and rose box 9 and mounting hole swing joint, the outside of rose box 9 is through welded fastening install mounting bar 10, mounting bar 10 and rose box 6 swing joint, one side intercommunication of rose box 6 has steam to retrieve import 7.

In this embodiment, two mounting grooves 15 have been seted up to one side that the mounting bar 10 is close to rose box 6, and there are two installation poles 14 in one side of rose box 6 through welded fastening, two installation poles 14 respectively with two mounting grooves 15 swing joint.

In this embodiment, cavity 12 has been seted up on mounting bar 10, install column spinner 18 through the bearing rotation in the cavity 12, glue is passed through in column spinner 18's the outside and two rope pulling belts 20 of fixedly connected with are pasted, all the fixed arm-tie that is provided with on two rope pulling belts 20, one side that two arm-ties kept away from each other all has oblique head pole 13 through welded fastening, the both sides inner wall of cavity 12 has all been seted up the down tube hole, two down tube holes are linked together with two mounting grooves 15 respectively, two down tube poles 13 respectively with two down tube hole sliding connection, one-way draw-in groove 16 has all been seted up to one side that two installation poles 14 are close to each other, two down tube poles 13 respectively with 16 one-way joints of two one-way draw-in grooves, the one end of down tube 13 sets up for the slope, align installation pole 14 mounting groove 15 and extrude mounting bar 10 during the installation, can make down tube pole 13 advance in.

In this embodiment, the one side that two arm-tie kept away from each other all has the one end of extension spring 17 through welded fastening, and the other end of extension spring 17 passes through welded fastening with the inner wall of cavity 12 and installs, and the one end of column spinner 18 extends to the outside of cavity 12 and installs handle board 11 through welded fastening, and handle board 11 includes plectane and arc handle, and extension spring 17 provides the pulling force that gets into one-way draw-in groove 16 for oblique nose bar 13.

In this embodiment, all install trapezoidal support bar 21 through welded fastening on the both sides inner wall of rose box 6, trapezoidal support groove 22 has all been seted up to the both sides of filter cartridge 9, and one side of two trapezoidal support grooves 22 is the opening, and two trapezoidal support bars 21 respectively with two trapezoidal support grooves 22 sliding connection, set up trapezoidal support bar 21 and trapezoidal support groove 22 and can support filter cartridge 9.

In this embodiment, in use, the hot air recovery inlet 7 is connected to a heat dissipation system of a machine device or hot air is sucked into the hot air recovery inlet 7 by an air blower, the hot air enters the filter box 6 and is filtered by the filter box 9 and the first filter screen 23, the second filter screen 24 and the third filter screen 25 arranged in the filter box 9, dust can be filtered in multiple stages, and pollution to the spiral winding pipe 3 by the dust can be avoided, the filtered hot air enters the preheating cylinder 2 to heat the inside of the preheating cylinder 2 and the spiral winding pipe 3, cooling water is introduced through the water inlet pipe 4, the cooling water is preheated when passing through the spiral winding pipe 3 and then enters the boiler 1 through the water supply pipe 5, the temperature of the cooling water can be increased, the loss of the boiler 1 to heat the cooling water is reduced, after the hot air is used for a period of time, the filter box 9 and the first filter screen 23 arranged in the filter box 9, A large amount of dust accumulated on the second filter screen 24 and the third filter screen 25 needs to be cleaned, the dust falling into the inner wall of the bottom of the filter box 6 is discharged through the dust discharge port 8, the handle plate 11 is rotated, the handle plate 11 drives the rotary column 18 to rotate, the rotary column 18 winds the two pull ropes 20 to drive the two pull plates and the two inclined head rods 13 to approach each other, the two inclined head rods 13 leave the two one-way clamping grooves 16 respectively, the two installation rods 14 can leave the two installation grooves 15 respectively by pulling the handle plate 11, the filter box 9 can be pulled out from the filter box 6, the first filter screen 23, the second filter screen 24 and the third filter screen 25 in the filter box 9 can be cleaned by taking one side of the filter box 9 as an opening, the cleaning is convenient, the filter box can be used after being re-installed after being cleaned, and all the structures in the filter box can select materials and lengths according to actual use conditions, the drawings are schematic structural diagrams, and the specific actual size can be adjusted properly.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A heating structure of a boiler water supply system comprises a boiler (1), wherein one side of the boiler (1) is provided with a preheating cylinder (2), and is characterized in that a spiral winding pipe (3) is arranged in the preheating cylinder (2), two ends of the spiral winding pipe (3) are respectively connected with a water inlet pipe (4) and a water feeding pipe (5), the water feeding pipe (5) is communicated with the boiler (1), the bottom of the preheating cylinder (2) is communicated with a filter box (6), the filter box (6) is internally and movably connected with a filter box (9), the bottom of the filter box (6) is provided with an ash discharge port (8), a baffle is arranged in the ash discharge port (8), the top and the bottom of the filter box (9) are both provided with a plurality of air holes (19), one side of the filter box (9) is provided with an opening, the filter box (9) is internally provided with a first filter screen (23), a second filter screen (24) and a third filter screen (25), the aperture of first filter screen (23), second filter screen (24) and third filter screen (25) diminishes gradually, and the mounting hole has been seted up to one side of rose box (6), and filter box (9) and mounting hole swing joint, the outside fixed mounting of filter box (9) have mounting bar (10), mounting bar (10) and rose box (6) swing joint, and one side intercommunication of rose box (6) has steam to retrieve import (7).

2. The heating structure of a boiler water supply system according to claim 1, characterized in that one side of the mounting bar (10) close to the filter box (6) is provided with two mounting grooves (15), one side of the filter box (6) is fixedly provided with two mounting rods (14), and the two mounting rods (14) are movably connected with the two mounting grooves (15) respectively.

3. The heating structure of the boiler water supply system according to claim 1, wherein a cavity (12) is formed in the mounting bar (10), a rotating column (18) is rotatably mounted in the cavity (12), two rope pulling belts (20) are fixedly connected to the outer side of the rotating column (18), pulling plates are fixedly arranged on the two rope pulling belts (20), oblique rod holes are fixedly mounted on one sides of the two pulling plates away from each other, oblique rod holes are formed in inner walls of two sides of the cavity (12), the two oblique rod holes are respectively communicated with the two mounting grooves (15), the two oblique rod holes (13) are respectively connected with the two oblique rod holes in a sliding manner, one-way clamping grooves (16) are formed in one sides of the two mounting rods (14) close to each other, and the two oblique rod holes (13) are respectively connected with the two one-way clamping grooves (16) in a one-way manner.

4. The heating structure of a boiler water supply system according to claim 3, wherein one end of the tension spring (17) is fixedly installed on one side of each of the two pulling plates, the other end of the tension spring (17) is fixedly installed with the inner wall of the cavity (12), and one end of the rotating column (18) extends to the outer side of the cavity (12) and is fixedly installed with the handle plate (11).

5. The heating structure of a boiler water supply system according to claim 1, wherein trapezoidal support bars (21) are fixedly mounted on inner walls of two sides of the filtering box (6), trapezoidal support grooves (22) are formed in two sides of the filtering box (9), one side of each of the two trapezoidal support grooves (22) is an opening, and the two trapezoidal support bars (21) are respectively connected with the two trapezoidal support grooves (22) in a sliding manner.