CN216521902U

CN216521902U - Recovery device for improving waste heat of blowdown of boiler pressure vessel

Info

Publication number: CN216521902U
Application number: CN202123139224.5U
Authority: CN
Inventors: 刘荣根
Original assignee: Yixing Leixin Metal Products Co ltd
Current assignee: Yixing Leixin Metal Products Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-13
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a recovery device for improving the waste heat of boiler pressure vessel blowdown, which comprises a main body component and a waste heat recovery component, wherein the main body component comprises a base, a furnace body, a box body, a blowdown pipe, a cover body, a hot water outlet pipe, a cold water outlet pipe and a cold water inlet pipe; the waste heat recovery assembly comprises a first plate body, a first through hole, a second plate body, a second through hole, a third plate body, a third through hole, a fourth plate body, a second groove and a baffle plate; according to the utility model, cold water is introduced into the box body through the cold water inlet pipe, hot sewage is introduced into the box body through the sewage discharge pipe, and then the retention time of the cold water and the hot sewage in the box body is prolonged through the blocking effect of the first plate body, the second plate body, the third plate body and the fourth plate body, so that the heat exchange time is prolonged, the heat exchange effect is improved, and meanwhile, the wall thickness of heat exchange between the cold water and the sewage is thinner and the heat exchange effect is better.

Description

Recovery device for improving waste heat of blowdown of boiler pressure vessel

Technical Field

The utility model relates to the technical field of pressure vessels, in particular to a recovery device for improving the waste heat of boiler pressure vessel pollution discharge.

Background

The pressure container is a closed device which contains gas or liquid and bears certain pressure.

Boiler pressure vessel adds water at the during operation, the vapor that produces behind the high temperature heating supplies with for people's heating, after this process, the sewage of production needs to be discharged, however still contain a large amount of waste heat in the sewage, direct emission can cause the waste of resource to a certain extent, consequently need adopt waste heat recovery device to retrieve all the other heat, however, current pressure vessel blowdown waste heat recovery device is lower to waste heat recovery's effect when using, waste heat resource recovery effect is not good, for this reason, provide an improvement boiler pressure vessel blowdown waste heat's recovery unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a recovery device for improving the waste heat of boiler pressure vessel blowdown, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a recovery device for improving the waste heat of the sewage discharge of a boiler pressure vessel comprises a main body component and a waste heat recovery component, wherein the main body component comprises a base, a furnace body, a box body, a sewage discharge pipe, a cover body, a hot water outlet pipe, a cold water outlet pipe and a cold water inlet pipe;

the waste heat recovery assembly comprises a first plate body, a first through hole, a second plate body, a second through hole, a third plate body, a third through hole, a fourth plate body, a second groove and a baffle plate;

the bottom of first plate body welds in the inside diapire of box, the bottom of second plate body welds in the inside diapire of box, the quantity of third plate body is three, and is three third plate body symmetric welding is in the inside diapire of box, the third plate body is located between first plate body and the second plate body, two third through-holes have been seted up to the bilateral symmetry of third plate body, first through-hole has been seted up to one side of first plate body, two second through-holes have been seted up to the bilateral symmetry of second plate body, cold water advances one end of pipe and runs through the middle part of one side of box and second plate body in proper order, the opposite side of box is run through to the one end of blow off pipe.

As further preferable in the present technical solution: the furnace body is arranged on the upper surface of the base, the box body is arranged on the upper surface of the base, one side of the furnace body is communicated with the blow-off pipe, and the cover body is fixedly connected to the upper surface of the box body through bolts.

As further preferable in the present technical solution: the inside symmetrical welding of box has two fourth plate bodys, the both sides of fourth plate body weld with one side of first plate body and second plate body respectively, the fourth plate body is the cross with the third plate body.

As further preferable in the present technical solution: and a second groove is formed in one side of the fourth plate body.

As further preferable in the present technical solution: one side integrated into one piece of fourth plate body has the baffle, one side of baffle welds in the inner wall of box, the baffle is located the one side that is close to the blow off pipe.

As further preferable in the present technical solution: one end of the hot water outlet pipe sequentially penetrates through one sides of the box body and the fourth plate body.

As further preferable in the present technical solution: one end of the cold water outlet pipe penetrates through one side of the box body, and the cold water outlet pipe is located right below the hot water outlet pipe.

As further preferable in the present technical solution: a first groove is formed in the middle of the upper surface of the third plate body.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, cold water is introduced into the box body through the cold water inlet pipe, hot sewage is introduced into the box body through the sewage discharge pipe, and then the retention time of the cold water and the hot sewage in the box body is prolonged through the blocking effect of the first plate body, the second plate body, the third plate body and the fourth plate body, so that the heat exchange time is prolonged, the heat exchange effect is improved, and meanwhile, the wall thickness of heat exchange between the cold water and the sewage is thinner and the heat exchange effect is better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the interior of the case according to the present invention;

FIG. 3 is a schematic view of another perspective structure inside the case of the present invention;

FIG. 4 is a schematic view of another perspective structure inside the case of the present invention;

fig. 5 is a schematic structural diagram of the first plate, the second plate and the third plate according to the present invention.

In the figure: 10. a body assembly; 11. a base; 12. a furnace body; 13. a box body; 14. a blow-off pipe; 15. a cover body; 16. a hot water outlet pipe; 17. a cold water outlet pipe; 18. a cold water inlet pipe; 20. a waste heat recovery assembly; 21. a first plate body; 22. a first through hole; 23. a second plate body; 24. a second through hole; 25. a third plate body; 251. a first groove; 26. a third through hole; 27. a fourth plate body; 28. a second groove; 29. and a baffle plate.

Detailed Description

Referring to fig. 1-5, the present invention provides a technical solution: a recovery device for improving the waste heat of boiler pressure vessel pollution discharge comprises a main body component 10 and a waste heat recovery component 20, wherein the main body component 10 comprises a base 11, a furnace body 12, a box body 13, a pollution discharge pipe 14, a cover body 15, a hot water outlet pipe 16, a cold water outlet pipe 17 and a cold water inlet pipe 18;

furnace body 12 installs in the upper surface of base 11, box 13 installs in the upper surface of base 11, one side and the blow off pipe 14 intercommunication of furnace body 12, lid 15 passes through bolt fixed connection in the upper surface of box 13, open lid 15, can overhaul in the inside part of box 13, one side of box 13 is run through to the one end of cold water exit tube 17, and cold water exit tube 17 is located hot water exit tube 16 under, through above setting, the sewage that the waste heat exchange finishes leaves box 13 through cold water exit tube 17, one side of box 13 and fourth plate body 27 is run through in proper order to the one end of hot water exit tube 16, through above setting, after the heat of the sewage that finishes in the cold water exchange, leave box 13 through hot water exit tube 16.

The waste heat recovery assembly 20 comprises a first plate body 21, a first through hole 22, a second plate body 23, a second through hole 24, a third plate body 25, a third through hole 26, a fourth plate body 27, a second groove 28 and a baffle plate 29;

the bottom of the first plate 21 is welded to the inner bottom wall of the box body 13, the bottom of the second plate 23 is welded to the inner bottom wall of the box body 13, the number of the third plate 25 is three, three third plates 25 are symmetrically welded to the inner bottom wall of the box body 13, the third plate 25 is located between the first plate 21 and the second plate 23, two third through holes 26 are symmetrically formed in two sides of the third plate 25, a first through hole 22 is formed in one side of the first plate 21, two second through holes 24 are symmetrically formed in two sides of the second plate 23, one end of the cold water inlet pipe 18 sequentially penetrates through the middle portions of one sides of the box body 13 and the second plate 23, one end of the sewage discharge pipe 14 penetrates through the other side of the box body 13, two fourth plates 27 are symmetrically welded in the box body 13, two sides of the fourth plates 27 are respectively welded to one sides of the first plate 21 and the second plate 23, the fourth plates 27 and the third plate 25 are crossed, second recess 28 has been seted up to one side of fourth plate body 27, make the wall thickness attenuation of fourth plate body 27, the heat exchanges more easily, improve heat exchange efficiency, one side integrated into one piece of a fourth plate body 27 has baffle 29, one side of baffle 29 welds in the inner wall of box 13, baffle 29 is located the one side that is close to blow off pipe 14, through above setting, can prevent that the sewage that waste heat recovery finishes from mixing with the sewage of new entering, first recess 251 has been seted up at the upper surface middle part of third plate body 25, make the cold water that gets into in the box 13 can keep in between two third plate bodies 25, and when highly locating to first recess 251, the space between two third plate bodies 25 under the cold water entering.

Working principle or structure principle, when in use, sewage in the furnace body 12 enters the box body 13 through the sewage discharge pipe 14, stays in the box body 13 through the separation of the first plate body 21, flows into between the first plate body 21 and the third plate body 25 when the height of hot sewage reaches the position of the first through hole 22, similarly, enters the next space when the height of hot sewage reaches the position of the third through hole 26, newly-entered cold water enters between the two fourth plate bodies 27 through the cold water inlet pipe 18, enters the next space when the height of water source reaches the position of the first groove 251, in the process, heat exchange is carried out between the cold water and the sewage, through the separation effect of the first plate body 21, the second plate body 23, the third plate body 25 and the fourth plate body 27, the time that the cold water and the hot sewage can stay in the box body 13 is prolonged, namely, the heat exchange effect is improved, meanwhile, the second groove 28 is arranged, the wall thickness of the heat exchange between the cold water and the sewage is thinner, and the heat exchange effect is better.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improve recovery unit of boiler pressure vessel blowdown waste heat, includes main part subassembly (10) and waste heat recovery subassembly (20), its characterized in that: the main body component (10) comprises a base (11), a furnace body (12), a box body (13), a sewage discharge pipe (14), a cover body (15), a hot water outlet pipe (16), a cold water outlet pipe (17) and a cold water inlet pipe (18);

the waste heat recovery assembly (20) comprises a first plate body (21), a first through hole (22), a second plate body (23), a second through hole (24), a third plate body (25), a third through hole (26), a fourth plate body (27), a second groove (28) and a baffle plate (29);

the bottom of the first plate body (21) is welded on the inner bottom wall of the box body (13), the bottom of the second plate body (23) is welded on the inner bottom wall of the box body (13), the number of the third plate bodies (25) is three, the three third plate bodies (25) are symmetrically welded on the inner bottom wall of the box body (13), the third plate body (25) is positioned between the first plate body (21) and the second plate body (23), two third through holes (26) are symmetrically arranged on two sides of the third plate body (25), a first through hole (22) is arranged on one side of the first plate body (21), two second through holes (24) are symmetrically arranged on two sides of the second plate body (23), one end of the cold water inlet pipe (18) penetrates through the middle parts of one sides of the box body (13) and the second plate body (23) in sequence, and one end of the sewage discharge pipe (14) penetrates through the other side of the box body (13).

2. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: the furnace body (12) is arranged on the upper surface of the base (11), the box body (13) is arranged on the upper surface of the base (11), one side of the furnace body (12) is communicated with the sewage discharge pipe (14), and the cover body (15) is fixedly connected to the upper surface of the box body (13) through bolts.

3. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: the inside symmetrical welding of box (13) has two fourth plate bodies (27), the both sides of fourth plate body (27) weld with one side of first plate body (21) and second plate body (23) respectively, fourth plate body (27) are the cross with third plate body (25).

4. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: one side of the fourth plate body (27) is provided with a second groove (28).

5. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: one side of the fourth plate body (27) is integrally formed with a baffle plate (29), one side of the baffle plate (29) is welded on the inner wall of the box body (13), and the baffle plate (29) is positioned on one side close to the sewage discharge pipe (14).

6. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: one end of the hot water outlet pipe (16) penetrates through one side of the box body (13) and one side of the fourth plate body (27) in sequence.

7. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: one end of the cold water outlet pipe (17) penetrates through one side of the box body (13), and the cold water outlet pipe (17) is located under the hot water outlet pipe (16).

8. The recycling device for improving the waste heat of the blowdown of the pressure vessel of the boiler according to claim 1, wherein: the middle part of the upper surface of the third plate body (25) is provided with a first groove (251).