CN210689358U

CN210689358U - Structure for solving drainage problem of heat exchanger

Info

Publication number: CN210689358U
Application number: CN201921781741.2U
Authority: CN
Inventors: 王怀亮; 张天翼; 辛斌斌; 岳喜坤
Original assignee: Jinan Shanyuan Environmental Protection Technology Co ltd
Current assignee: Jinan Shanyuan Environmental Protection Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-05
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a solve structure of heat exchanger drainage problem, including the little collection case of play water, the left side of the little collection case of play water is provided with into little collection case, and the lower extreme of the little collection case of intaking is connected with the drain pipe, the little collection case of intaking links to each other with the heat exchanger through the return bend, a plurality of little collection cases of intaking link to each other with a big collection case of intaking, a plurality of little collection cases of play water link to each other with a big collection case of play water, the internally mounted of drain pipe has the case, and the intermediate position of case has seted up the valve opening, the driver plate is installed on the top of axostylus axostyle, and the outside of axostylus axostyle is provided with. This kind of structure of solving the hydrophobic problem of heat exchanger is satisfying under the prerequisite of collection case intensity, through structural change, makes the water in the heat exchanger dredge totally to guarantee the safety of heat exchanger when overhauing in winter, effectively prevent because of heat exchanger ponding leads to the risk that the heat exchanger freezes, this simple structure easily implements in addition, is particularly useful for all levels and arranges, the heat exchanger of heat transfer against the current.

Description

Structure for solving drainage problem of heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a solve structure of heat exchanger drainage problem.

Background

The heat exchanger is the main equipment for realizing waste heat recovery of the flue gas waste heat recovery device, and the arrangement structure and the arrangement position of the heat exchanger in the flue are generally determined according to the layout on site. Because the waste heat recovery heat exchanger is arranged in the flue, if leakage happens, the safe operation of the whole unit is affected, and therefore, the safe and stable operation of the heat exchanger is very important.

However, due to structural limitation, most of low-temperature economizers and air heaters often have the problem of unclean drainage due to structural limitation, accumulated water in the heat exchanger can cause the phenomenon that accumulated water freezes, expands and damages during maintenance in winter, and the bottom accumulated water of the heat exchanger freezes, so that the safe and stable production is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve structure of heat exchanger drainage problem to solve and to provide in the above-mentioned background art because structural constraint, present most low temperature economizer and heater have hydrophobic unclean problem often because structural constraint, during ponding will lead to the maintenance in winter in the heat exchanger, the problem that heat exchanger bottom ponding freezes the inflation and rises badly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a solve structure of heat exchanger drainage problem, includes the little collection case of play water, the left side of the little collection case of play water is provided with into water little collection case, and the lower extreme of the little collection case of intaking is connected with the drain pipe, the little collection case of intaking links to each other with the heat exchanger through the return bend, a plurality of little collection cases of intaking link to each other with a big collection case of intaking, a plurality of little collection cases of play water link to each other with a big collection case of play water, the internally mounted of drain pipe has the case, and the intermediate position of case has seted up the valve opening, the outside of case is provided with the gasket, and the axostylus axostyle is installed to the upper end of case, the driver plate is installed on the top of axostyl.

Preferably, the outer surface of the small water inlet header is provided with openings, and the positions of the openings are distributed in a staggered manner.

Preferably, the positions of the small water inlet headers are distributed in a staggered manner, and the small water inlet headers are communicated with the bent pipes.

Preferably, the small water inlet header is communicated with the large water inlet header through a conduit, and the small water inlet header is communicated with the heat exchanger through an elbow.

Preferably, the gasket is made of rubber, and the gasket is attached to the outer surface of the valve core.

Preferably, the drive plate forms a rotating structure with the valve core through the shaft rod, and the valve core is communicated with the drain pipe through the valve hole.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the structure for solving the drainage problem of the heat exchanger, the bent pipes with different bending radii are arranged, so that the staggered arrangement of the open holes on the small water inlet header is ensured, the strength of the small water inlet header is ensured, and the staggered arrangement of the small water inlet headers adjacent to each other up and down is ensured, so that enough space for arranging drainage pipes is ensured at the bottom of the header;

the water inlet large collecting tank is connected with the plurality of water inlet small collecting tanks through the straight pipes, so that the number of the water inlet large collecting tanks can be reduced, the occupied space of parts can be reduced, the valve core can rotate through the connected shaft rod and the driving plate, the opening and closing of the drain pipe can be adjusted, and the air tightness of the device can be guaranteed during use;

under the prerequisite that satisfies collection case intensity, through structural change, make the water in the heat exchanger dredge completely to the safety of heat exchanger when guaranteeing to overhaul in winter effectively prevents to lead to the risk that the heat exchanger freezes because of heat exchanger ponding, and this simple structure easy to implement is applicable to all levels and arranges, heat exchanger of countercurrent flow, has improved the practicality of this kind of structure of solving the hydrophobic problem of heat exchanger greatly in addition.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the local structure of the junction between the drain pipe and the valve core of the present invention.

In the figure: 1. a small water outlet header; 2. a small water inlet header; 3. bending the pipe; 4. a drain pipe; 5. a large water inlet header; 6. a large effluent header; 7. a valve core; 8. a valve bore; 9. a gasket; 10. a shaft lever; 11. a sealing seat; 12. a dial.

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 structure for solving the drainage problem of a heat exchanger comprises a small water outlet collection box 1, a small water inlet collection box 2, a bent pipe 3, a drainage pipe 4, a large water inlet collection box 5, a large water outlet collection box 6, a valve core 7, a valve hole 8, a gasket 9, a shaft lever 10, a sealing seat 11 and a drive plate 12, wherein the small water inlet collection box 2 is arranged on the left side of the small water outlet collection box 1, the drainage pipe 4 is connected to the lower end of the small water inlet collection box 2, the small water inlet collection box 2 is connected with the heat exchanger through the bent pipe 3, holes are formed in the outer surface of the small water inlet collection box 2, the positions of the holes are distributed in a staggered mode, and the holes in the small water inlet collection box 2 are staggered through the bent pipes 3 with different bending radiuses, so that the holes in the small;

the positions of the small water inlet headers 2 are distributed in a staggered manner, the small water inlet headers 2 are communicated with the bent pipes 3, the small water inlet headers 2 adjacent up and down are arranged in a staggered manner, so that enough space for arranging drain pipes 4 is arranged at the bottom of the headers, the small water inlet headers 2 are connected with a large water inlet header 5, the small water outlet headers 1 are connected with a large water outlet header 6, the small water inlet headers 2 are communicated with the large water inlet header 5 through pipes, the small water inlet headers 2 are communicated with the heat exchangers through the bent pipes 3, and the large water inlet header 5 is connected with the small water inlet headers 2 through straight pipes, so that the number of the large water inlet headers 5 can be reduced, and the occupied space of parts can be reduced;

the valve core 7 is arranged in the drain pipe 4, the valve hole 8 is arranged in the middle of the valve core 7, the gasket 9 is arranged on the outer side of the valve core 7, the shaft lever 10 is arranged at the upper end of the valve core 7, the gasket 9 is made of rubber, the gasket 9 is attached to the outer surface of the valve core 7, the drive plate 12 is arranged at the top end of the shaft lever 10, the sealing seat 11 is arranged on the outer side of the shaft lever 10, the drive plate 12 forms a rotating structure with the valve core 7 through the shaft lever 10, the valve core 7 is communicated with the drain pipe 4 through the valve hole 8, the valve core 7 can rotate through the connected shaft lever 10 and the drive plate 12, the opening and closing of the drain pipe 4 can be adjusted, the air tightness of the device can be guaranteed during use, on the premise of meeting the strength of a header, the water in the heat exchanger can be drained completely through structural change, the safety of the heat exchanger during maintenance in, the structure is simple and easy to implement, is particularly suitable for all heat exchangers which are horizontally arranged and exchange heat in a countercurrent mode, and greatly improves the practicability of the structure for solving the drainage problem of the heat exchanger.

The working principle is as follows: for the structure for solving the drainage problem of the heat exchanger, firstly, the bent pipe 3 is connected with the small water inlet header 2 after being bent at different angles, the adjacent small water inlet headers are arranged in a staggered way by the bent pipe 3, enough space is arranged at the bottom of the small water inlet header to arrange the drainage pipes 4, the drainage pipes 4 are arranged at the bottommost part of the small water inlet header 2, the large water inlet header 5 is connected with a plurality of small water inlet headers 2 by straight pipes, the small water outlet header 1 can be communicated with the large water outlet header 6 by the straight pipes, when the internal liquid does not need to be drained in summer, the drive plate 12 is screwed, the drive plate 12 can drive the valve core 7 to rotate by the shaft rod 10, the gasket 9 arranged on the outer surface of the valve core 7 can play a sealing effect, the seal seat 11 can avoid air leakage at the position 10, so that the sealing performance of the shaft rod device can be ensured, when the valve hole 8 at the center of the valve core 7 is aligned with, the structure can play a role of draining water in winter, so that the whole use process of the structure for solving the problem of water drainage of the heat exchanger is completed.

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 solve hydrophobic structure of problem of heat exchanger, includes play water small container (1), its characterized in that: the left side of little collection case of play water (1) is provided with into little collection case (2), and the lower extreme of intaking little collection case (2) is connected with drain pipe (4), it links to each other with the heat exchanger through return bend (3) to intake little collection case (2), a plurality of little collection cases of intaking (2) link to each other with a big collection case of intaking (5), a plurality of little collection cases of play water (1) link to each other with a big collection case of play water (6), the internally mounted of drain pipe (4) has case (7), and the intermediate position of case (7) has seted up valve opening (8), the outside of case (7) is provided with gasket (9), and the upper end of case (7) installs axostylus axostyle (10), drive plate (12) are installed on the top of axostylus axostyle (10), and the outside of axostylus axostyle (10) is provided with seal receptacle (.

2. The structure for solving the problem of water drainage of the heat exchanger according to claim 1, wherein: the outer surface of the small water inlet header (2) is provided with holes, and the positions of the holes are distributed in a staggered manner.

3. The structure for solving the problem of water drainage of the heat exchanger according to claim 1, wherein: the positions of the small water inlet headers (2) are distributed in a staggered manner, and the small water inlet headers (2) are communicated with the bent pipes (3).

4. The structure for solving the problem of water drainage of the heat exchanger according to claim 1, wherein: the small water inlet header (2) is connected and communicated with the large water inlet header (5) through a guide pipe, and the small water inlet header (2) is connected and communicated with the heat exchanger through a bent pipe (3).

5. The structure for solving the problem of water drainage of the heat exchanger according to claim 1, wherein: the gasket (9) is made of rubber, and the gasket (9) is attached to the outer surface of the valve core (7).

6. The structure for solving the problem of water drainage of the heat exchanger according to claim 1, wherein: the dial plate (12) forms a rotating structure with the valve core (7) through the shaft lever (10), and the valve core (7) is communicated with the drain pipe (4) through the valve hole (8).