CN213362524U

CN213362524U - Separated heat pipe heat exchanger with high heat transfer power

Info

Publication number: CN213362524U
Application number: CN202022276138.8U
Authority: CN
Inventors: 许军波
Original assignee: Hangzhou Funeng Energy Technology Co ltd
Current assignee: Hangzhou Funeng Energy Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-04
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a separated heat pipe exchanger with high heat transfer power, which comprises a cold water heat exchanger and a high temperature flue gas heat exchanger, wherein the cold water heat exchanger is arranged at the upper end of the high temperature flue gas heat exchanger, the high temperature flue gas heat exchanger is provided with a high temperature flue gas pipe on the left outer wall, the high temperature flue gas pipe is provided with an air inlet solenoid valve, the high temperature flue gas exhausted by a hot blast stove is introduced into the high temperature flue gas heat exchanger by opening the air inlet solenoid valve, the impulse action of the air flow drives a mixed heat stirring blade to rotate, thereby the cold medium substance gathered at the bottom of the high temperature flue gas heat exchanger is stirred along the trend by the mixed heat stirring blade, after rotating for a certain time, the air inlet solenoid valve is closed, the mixed heat stirring blade loses the air flow action, the torsion of a torsional spring is reset, the mixed heat stirring blade rotates reversely, the refrigerant medium is subjected to impact mixing, so that the refrigerant medium fully absorbs high-temperature heat.

Description

Separated heat pipe heat exchanger with high heat transfer power

Technical Field

The utility model belongs to the technical field of waste heat recovery is relevant, concretely relates to disconnect-type heat pipe exchanger of high heat transfer power.

Background

A heat exchanger (also called heat exchanger) is a device that transfers part of the heat of a hot fluid to a cold fluid. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The separated heat pipe exchanger is one new type of heat exchanger developed with heat pipe exchanger and may be set separately in the flue, gas pipeline and combustion air pipeline of hot blast stove.

The prior art of the separated heat pipe exchanger has the following problems: the traditional separated heat pipe heat exchanger directly leads high-temperature flue gas exhausted by a hot blast stove into a flue gas heat exchanger, so that working media in the pipe of the flue gas heat exchanger are vaporized after absorbing the waste heat of the flue gas, and in the process, a refrigerant medium is in a static state and has poor mixing efficiency with high-temperature steam, so that heat in the high-temperature steam can not be absorbed better, and the heat exchange efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disconnect-type heat pipe exchanger of high heat transfer power to solve the static problem poor with high temperature steam's of the mixed efficiency of cold medium matter that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a separated heat pipe exchanger with high heat transfer power comprises a cold water heat exchanger and a high-temperature flue gas heat exchanger, wherein the cold water heat exchanger is installed at the upper end of the high-temperature flue gas heat exchanger, the high-temperature flue gas heat exchanger is provided with a high-temperature flue gas pipe on the outer wall of the left side, an air inlet electromagnetic valve is arranged on the high-temperature flue gas pipe, one end of the inner side of the high-temperature flue gas pipe is connected with a gas gathering protection disc, a rotating rod penetrates through the inside of the gas gathering protection disc, an upper bearing sleeve is sleeved outside the upper end of the rotating rod, support frame rods are symmetrically connected on the outer wall of the circumference of the upper bearing sleeve, a flange part is arranged at the middle position of the rotating rod, a torsion spring is arranged between the opposite inner walls of the flange part and the upper bearing sleeve, heat mixing stirring blades are symmetrically connected on the outer wall of the circumference of the, a return pipe is arranged at the central position of the inner wall of the upper end of the high-temperature flue gas heat exchanger, and the air inlet electromagnetic valve is electrically connected with the return pipe through an external power supply.

Preferably, a spiral cold water pipe is arranged inside the upper end of the cold water heat exchanger, a water inlet of the cold water pipe is formed in the outer wall of the right side of the cold water heat exchanger, and a water outlet of the cold water pipe is formed in the outer wall of the left side of the cold water heat exchanger.

Preferably, one end of the inner side of the high-temperature flue gas pipe is inclined to the rear side and is vertically inserted into the gas collecting protective disc.

Preferably, the upper bearing sleeve comprises an outer shaft ring, an inner shaft ring and a roller, and the upper end of the gas gathering protective disc is fixedly connected with the outer shaft ring.

Preferably, the upper end of the torsion spring is fixedly connected with the outer coil, and the lower end of the torsion spring is fixedly connected with the flange part.

Preferably, the lower end of the mixing blade is curled and tilted outward.

Compared with the prior art of the separated heat pipe exchanger, the utility model provides a separated heat pipe exchanger of high heat transfer power possesses following beneficial effect:

1. the utility model discloses an add in mixing hot stirring vane and gather gas shield plate to make the inboard one end of high temperature flue gas pipe lean on the rear side and insert perpendicularly to gathering in the gas shield plate, gather the air current by gathering the gas shield plate, thereby act on mixing hot stirring vane, utilize the atmospheric pressure impulsive force of high temperature flue gas pipe under the state of ventilating, drive mixing hot stirring vane by the air current and rotate, by gathering the lower extreme opening of gas shield plate simultaneously, blow high temperature steam to refrigerant medium, make the heat in the high temperature steam absorb better;

2. the utility model discloses an open the solenoid valve that admits air and let in high temperature flue gas heat exchanger with hot-blast furnace exhaust high temperature flue gas, impulsive force effect by the air current drives the hot mixing stirring vane and rotates, thereby cold media matter that gathers bottom the high temperature flue gas heat exchanger by hot mixing stirring vane is in the same direction as the potential rotation stirring, rotatory after the certain time, close the solenoid valve that admits air, hot mixing stirring vane loses the air current effect, the distortion of torsional spring resets, make hot mixing stirring vane reverse rotation, thereby utilize hot mixing stirring vane and still in rotatory cold media matter rotation direction opposite, strike the mixture to cold media matter, make cold media medium fully absorb the high temperature heat.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a separated heat pipe exchanger with high heat transfer power according to the present invention;

FIG. 2 is a schematic view of the vertical cross-section structure of the gas-collecting protection disk of the present invention;

fig. 3 is a schematic cross-sectional structure view of the gas-collecting protection disc provided by the present invention;

in the figure: 1. a cold water pipe; 2. a cold water heat exchanger; 3. a steam conduit; 4. a support frame rod; 5. a high temperature flue gas pipe; 6. an air inlet solenoid valve; 7. a heat mixing stirring blade; 8. a lower bearing sleeve; 9. rotating the rod; 10. a gas gathering protective disc; 11. a high temperature flue gas heat exchanger; 12. an upper bearing sleeve; 13. a return pipe; 14. a flange portion; 15. a torsion spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a separated heat pipe exchanger with high heat transfer power comprises a cold water heat exchanger 2 and a high-temperature flue gas heat exchanger 11, wherein the cold water heat exchanger 2 is installed at the upper end of the high-temperature flue gas heat exchanger 11, a high-temperature flue gas pipe 5 is arranged on the outer wall of the left side of the high-temperature flue gas heat exchanger 11, an air inlet electromagnetic valve 6 is arranged on the high-temperature flue gas pipe 5, one end of the inner side of the high-temperature flue gas pipe 5 is connected with a gas gathering protective disc 10, one end of the inner side of the high-temperature flue gas pipe 5 deviates to the rear side and is vertically inserted into the gas gathering protective disc 10, airflow is gathered by the gas gathering protective disc 10 so as to act on a heat mixing stirring blade 7, the air pressure impulsive force of the high-temperature flue gas pipe 5 in a ventilation state is utilized, the air mixing stirring blade 7 is driven by the airflow to rotate, meanwhile, the high-temperature steam is blown to a medium by, the outside cover in upper end of dwang 9 is equipped with bearing housing 12, and bearing housing 12 includes outer collar, interior collar and roller in the cold medium matter absorbs, gathers the upper end and outer collar fixed connection of gas shield plate 10, because the last outer collar of last bearing housing 12 passes through the hack lever 4 fixed support on the circumference outer wall in high temperature gas heater 11 to guarantee the overall stability of structure.

A separated heat pipe heat exchanger with high heat transfer power comprises support frame rods 4 symmetrically connected to the circumferential outer wall of an upper bearing sleeve 12, a flange part 14 is arranged at the middle position of a rotating rod 9, a torsion spring 15 is arranged between the flange part 14 and the opposite inner wall of the upper bearing sleeve 12, the upper end of the torsion spring 15 is fixedly connected with an outer coil, the lower end of the torsion spring 15 is fixedly connected with the flange part 14, the air pressure impact force of a high-temperature flue gas pipe 5 in a ventilation state drives a heat mixing stirring blade 7 to rotate by air flow, the upper end and the lower end of the torsion spring 15 are subjected to torsion forces in opposite directions, so that the torsion spring 15 generates deformation energy storage, when the high-temperature flue gas pipe 5 stops supplying air, the heat mixing stirring blade 7 loses the air flow effect, the torsion of the torsion spring 15 is reset, so that the heat mixing stirring blade 7 rotates reversely, and the heat mixing stirring blade, mix hot stirring vane 7's lower extreme and be the curl form and to the outside perk to make the cold medium ability upset of high temperature gas heater 11 bottom mix, and realize the interactive mixing action of upper and lower floor, promote mixed effect, the outside cover of lower extreme of dwang 9 is equipped with down bearing housing 8, be provided with steam conduit 3 on high temperature gas heater 11's the left side upper end inner wall, high temperature gas heater 11's upper end inner wall central point puts and is provided with back flow 13, air inlet solenoid valve 6 passes through external power source electric connection.

The utility model provides a disconnect-type heat pipe exchanger of high heat transfer power, is provided with spiral cold water pipe 1 including cold water heat exchanger 2's upper end inside, is provided with the water inlet of cold water pipe 1 on cold water heat exchanger 2's the right side outer wall, is provided with the delivery port of cold water pipe 1 on cold water heat exchanger 2's the left side outer wall, lets in the lower cold water of temperature through the water inlet to absorb the high temperature in cold water heat exchanger 2 by spiral cold water pipe 1, and discharge through the delivery port, thereby accomplish the heat exchange.

The utility model discloses a theory of operation and use flow: after the heat pipe heat exchanger is installed, the high-temperature flue gas exhausted by the hot blast stove is introduced into the high-temperature flue gas heat exchanger 11 by opening the air inlet electromagnetic valve 6, the mixed heating stirring blade 7 is driven to rotate by the impulsive force action of the air flow, so that the cold medium substances gathered at the bottom of the high-temperature flue gas heat exchanger 11 are stirred along with the rotation of the mixed heating stirring blade 7, at the moment, the upper end and the lower end of the torsional spring 15 are subjected to the twisting force action in opposite directions, so that the torsional spring 15 generates deformation energy storage, after the heat pipe heat exchanger rotates for a certain time, the air inlet electromagnetic valve 6 is closed, the mixed heating stirring blade 7 loses the air flow action, the twisting of the torsional spring 15 is reset, the mixed heating stirring blade 7 rotates reversely, so that the mixed heating stirring blade 7 is opposite to the rotating direction of the rotating cold medium substances, thereby the cold medium substances are subjected to impact mixing, and the air inlet electromagnetic valve, thereby make and mix hot stirring vane 7 and can constantly reciprocating type rotary motion for cold medium matter fully absorbs the high temperature heat, the cold medium matter vaporizes after having absorbed the waste heat of flue gas, the work steam that produces gathers in cold water heat exchanger 2, let in the lower cold water of temperature through the water inlet, thereby absorb the high temperature in cold water heat exchanger 2 by spiral cold water pipe 1, and discharge through the delivery port, thereby accomplish the heat exchange, and the cold medium matter liquid after the condensation gathers in the lower part of cold water heat exchanger 2, flow back to high temperature flue gas heat exchanger 11 through back flow 13 under the poor effect of position and continue the evaporation, so the circulation goes on repeatedly, the transport of heat from the hot junction to the cold junction has been accomplished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a disconnect-type heat pipe heat exchanger of high heat transfer power, includes cold water heat exchanger (2) and high temperature flue gas heat exchanger (11), its characterized in that: the cold water heat exchanger (2) is arranged at the upper end of the high-temperature flue gas heat exchanger (11), the high-temperature flue gas heat exchanger (11) is provided with a high-temperature flue gas pipe (5) on the outer wall of the left side, an air inlet electromagnetic valve (6) is arranged on the high-temperature flue gas pipe (5), one end of the inner side of the high-temperature flue gas pipe (5) is connected with a gas gathering protection disc (10), a rotating rod (9) penetrates through the inside of the gas gathering protection disc (10), an upper bearing sleeve (12) is sleeved outside the upper end of the rotating rod (9), support frame rods (4) are symmetrically connected on the outer wall of the circumference of the upper bearing sleeve (12), a flange part (14) is arranged at the middle position of the rotating rod (9), a torsion spring (15) is arranged between the opposite inner walls of the flange part (14) and the upper bearing sleeve (12), and heat mixing stirring blades (, the outside cover of lower extreme of dwang (9) is equipped with down bearing housing (8), be provided with steam conduit (3) on the left side upper end inner wall of high temperature gas heater (11), the upper end inner wall central point of high temperature gas heater (11) puts and is provided with back flow (13), air inlet solenoid valve (6) are through external power source electric connection.

2. A split heat pipe exchanger of high heat transfer power as claimed in claim 1, wherein: the spiral cold water pipe (1) is arranged inside the upper end of the cold water heat exchanger (2), a water inlet of the cold water pipe (1) is formed in the outer wall of the right side of the cold water heat exchanger (2), and a water outlet of the cold water pipe (1) is formed in the outer wall of the left side of the cold water heat exchanger (2).

3. A split heat pipe exchanger of high heat transfer power as claimed in claim 1, wherein: one end of the inner side of the high-temperature flue gas pipe (5) is deviated to the rear side and is vertically inserted into the gas gathering protective disc (10).

4. A split heat pipe exchanger of high heat transfer power as claimed in claim 1, wherein: the upper bearing sleeve (12) comprises an outer shaft ring, an inner shaft ring and a roller, and the upper end of the gas gathering protective disc (10) is fixedly connected with the outer shaft ring.

5. The split heat pipe exchanger with high heat transfer power as claimed in claim 4, wherein: the upper end and the outer coil fixed connection of torsional spring (15), the lower extreme and flange portion (14) fixed connection of torsional spring (15).

6. A split heat pipe exchanger of high heat transfer power as claimed in claim 1, wherein: the lower end of the heat mixing stirring blade (7) is curled and tilted outwards.