CN214502194U

CN214502194U - Steam waste heat recovery device

Info

Publication number: CN214502194U
Application number: CN202120595596.XU
Authority: CN
Inventors: 乔永刚; 王祖君; 邱应杰; 杨联联
Original assignee: Henan Jinkong Tianqing Coal Chemical Co Ltd
Current assignee: Henan Jinkong Tianqing Coal Chemical Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-26
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to a waste heat recovery equipment technical field discloses a steam waste heat recovery device, including the collection box, be equipped with the steam outer tube in the collection box, the steam outer tube endotheca is equipped with the recovery inner tube, and the top of steam outer tube is connected with steam inlet pipe, and the bottom is connected with the steam outlet pipe, and the corresponding end connection of recovery inner tube and steam inlet pipe has recovery inlet pipe, and another end connection has recovery outlet pipe, and the top is equipped with the shower nozzle in the collection box, is equipped with the shower nozzle on the shower nozzle, and the shower nozzle passes through the circulating pipe to be connected with collection box bottom, is equipped with on the circulating pipe to spray the pump. The utility model discloses simple structure can increase area of contact and the contact time of water and steam generation heat exchange to reduce the calorific loss that current waste heat recovery equipment caused because of possessing too much spare parts, improve the waste heat recovery rate.

Description

Steam waste heat recovery device

Technical Field

The utility model relates to a waste heat recovery equipment technical field especially relates to a steam waste heat recovery device.

Background

In the chemical industry, a large amount of high-temperature gas is generated, and if the high-temperature gas is directly discharged into the atmosphere, the waste of heat energy is caused. The prior art usually adopts a heat exchange mode to recover waste heat, but the recovery efficiency is lower and the heat utilization effect is poor.

SUMMERY OF THE UTILITY MODEL

To the technical problem that prior art exists, the utility model provides a steam waste heat recovery device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steam waste heat recovery device, includes the collection box, be equipped with snakelike steam outer tube in the collection box, the steam outer tube endotheca is equipped with the recovery inner tube, and the top of steam outer tube is connected with steam inlet pipe, and the bottom is connected with the steam outlet pipe, and the corresponding end connection of recovery inner tube and steam inlet pipe has recovery inlet pipe, and another end connection has recovery outlet pipe, and the top is equipped with the shower in the collection box, be equipped with the shower nozzle on the shower, the shower passes through the circulating pipe and is connected with the collection box bottom, is equipped with on the circulating pipe and sprays the pump.

Preferably, a baffling baffle is arranged in the recovery tank at intervals.

Preferably, the recycling tank is provided with a water feeding pipe and a hot water outlet pipe, and a heat insulation layer is arranged outside the recycling tank.

Preferably, a condensed water drain pipe is arranged on the steam outer pipe, and a drain valve is arranged on the condensed water drain pipe.

Preferably, the steam inlet pipe and the recovery inlet pipe are arranged in parallel, separators are arranged in the steam inlet pipe and the recovery inlet pipe and divide the steam inlet pipe and the recovery inlet pipe into two parts along the axial direction, each separator comprises a baffle and semicircular connecting plates connected to two ends of the baffle respectively, the baffle extends along the axial direction of the steam inlet pipe or the recovery inlet pipe, a circular table hole is formed in the baffle, a conical plug matched with the baffle is arranged in the circular table hole, a sleeve is arranged between the steam inlet pipe and the recovery inlet pipe, a connecting rod is arranged in the sleeve, a sealing piston is connected to the connecting rod and is in sliding sealing fit with the sleeve, the sealing piston and the steam inlet pipe are connected through a spring sleeved outside the connecting rod, the bottom end of the connecting rod extends into the recovery inlet pipe and is connected with the top of the conical plug in the recovery inlet pipe, and the top end of the connecting rod extends into the steam inlet pipe and is connected with the bottom of the conical plug in the steam inlet pipe, the connecting rod is in sliding sealing fit with the recovery inlet pipe and the steam inlet pipe.

The utility model discloses still including making other subassemblies of a steam waste heat recovery device normal use, be the conventional technical means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.

The utility model discloses simple structure can increase area of contact and the contact time of water and steam generation heat exchange to reduce the calorific loss that current waste heat recovery equipment caused because of possessing too much spare parts, improve the waste heat recovery rate.

Drawings

FIG. 1 is a schematic structural view of example 1.

FIG. 2 is a schematic structural view of example 2.

Fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure: the device comprises a recovery tank 1, a steam outer pipe 2, a recovery inner pipe 3, a steam inlet pipe 4, a steam outlet pipe 5, a recovery inlet pipe 6, a recovery outlet pipe 7, a spray pipe 8, a circulating pipe 9, a baffling baffle 10, a water adding pipe 11, a hot water outlet pipe 12, a heat insulating layer 13, a condensed water drain pipe 14, a separator 15, a circular truncated cone hole 16, a conical plug 17, a sleeve 18, a connecting rod 19, a sealing piston 20 and a spring 21.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1, a steam waste heat recovery device, including collection box 1, be equipped with snakelike outer steam pipe 2 in the collection box 1, the outer steam pipe 2 endotheca is equipped with recovery inner tube 3, and the top of outer steam pipe 2 is connected with steam inlet pipe 4, and the bottom is connected with steam outlet pipe 5, and the corresponding end connection of recovery inner tube 3 and steam inlet pipe 4 has recovery inlet pipe 6, and another tip is connected with recovery outlet pipe 7, and the top is equipped with shower 8 in the collection box 1, be equipped with the shower nozzle on the shower 8, shower 8 passes through circulating pipe 9 and is connected with collection box 1 bottom, is equipped with the spray pump on the circulating pipe 9.

Baffle plates 10 are arranged in the recovery tank 1 at intervals.

The recycling tank 1 is provided with a water adding pipe 11 and a hot water outlet pipe 12, and a heat insulation layer 13 is arranged outside the recycling tank 1.

And a condensed water drain pipe 14 is arranged on the steam outer pipe 2, and a drain valve is arranged on the condensed water drain pipe 14.

The working principle is as follows: add a certain amount of water from filler pipe 11 to collection box 1 earlier, during the use, high temperature steam gets into steam outer tube 2 from steam inlet pipe 4, simultaneously from retrieving import pipe 6 to retrieving leading to water in the inner tube 3, the circulating pump is pumped the water in collection box 1 to in shower 8, and spout from the shower nozzle, the water in retrieving inner tube 3 and shower nozzle spun shower water take place the heat exchange with high temperature steam in steam outer tube 2's inside and outside both sides simultaneously, with the heat of retrieving wherein. The mode can increase the contact area of the cooling water and the high-temperature steam, thereby fully recovering the heat therein, avoiding heat loss and improving the recovery rate. When the cooling water in the recovery box 1 reaches a certain temperature, the cooling water can be discharged through the hot water outlet pipe for recycling, and then water is supplemented through the water adding pipe. The water in the inner recovery pipe 3 is directly discharged from the outlet recovery pipe 7 for recycling after absorbing the heat of the steam.

The setting of baffling baffle 10 can make the tortuous downflow of shower water, prolongs its motion path, and the steam outer tube sets up to snakelike, can prolong the motion path of steam, and the recovery inner tube is the shape corresponding with the steam outer tube, and baffling baffle, recovery inner tube, steam outer tube cooperate can prolong shower water, cooling water and steam and take place the time of heat exchange, reach the purpose of fully retrieving the heat.

The heat preservation layer 13 is arranged outside the recycling box 1, so that heat loss can be prevented.

The steam outer pipe 2 is provided with a condensed water drain pipe 14, which can be opened periodically to drain the condensed water in the steam outer pipe 2.

This embodiment simple structure can increase area of contact and the contact time that water and steam take place the heat exchange to reduce the heat loss that current waste heat recovery equipment caused because of possessing too much spare part, improve waste heat recovery rate.

Example 2

Referring to fig. 2-3, the steam inlet pipe 4 and the recovery inlet pipe 6 are arranged in parallel and are provided with a partition 15 therein for dividing the steam inlet pipe 4 and the recovery inlet pipe 6 into two parts along the axial direction, the partition 15 comprises a baffle plate and semicircular connecting plates respectively connected to both ends of the baffle plate, the baffle plate extends along the axial direction of the steam inlet pipe 4 or the recovery inlet pipe 6, the baffle plate is provided with a circular table hole 16, a conical plug 17 matched with the baffle plate is arranged in the circular table hole 16, a sleeve 18 is arranged between the steam inlet pipe 4 and the recovery inlet pipe 6, a connecting rod 19 is arranged in the sleeve 18, a sealing piston 20 is connected to the connecting rod 19, the sealing piston 20 is in sliding sealing fit with the sleeve 18, the sealing piston 20 is connected to the steam inlet pipe 4 through a spring 21 sleeved outside the connecting rod 19, the bottom end of the connecting rod 19 extends into the recovery inlet pipe 6 and is connected to the top of the conical plug 17 in the recovery inlet pipe 6, the top of connecting rod 19 stretches into in steam import pipe 4 and is connected with the bottom of the interior toper end cap 17 of steam import pipe 4, and the connecting rod is sliding seal cooperation with recovery import pipe 6 and steam import pipe 4.

In this embodiment, the steam inlet pipe 4 and the recovery inlet pipe 6 are both provided with a conical plug 17, the connecting rod 19 and the sealing piston 20 are connected to the steam inlet pipe 4 under the action of the spring 21, steam or water enters the steam inlet pipe and then passes through a gap between the conical plug 17 and the inner wall of the circular truncated cone hole 16, when the flow of the steam is suddenly increased, the pressure of steam airflow on the conical plug 17 in the steam inlet pipe 4 is also increased, so that the connecting rod 19 and the sealing piston 20 are pushed to move downwards to overcome the acting force of the spring 21, the gap between the conical plug 17 and the circular truncated cone hole 16 is increased, the steam inlet speed of the steam inlet pipe 4 is increased, and along with the downward movement of the connecting rod 19, the conical plug 17 in the recovery inlet pipe also moves downwards, and the water inlet speed in the recovery inlet pipe is correspondingly increased. The device can automatically adjust the flow and the speed of the cooling water inlet according to the flow and the speed of the steam inlet, thereby ensuring that the waste heat of the steam is fully recovered and avoiding the waste of water resources.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a steam waste heat recovery device, includes the collection box, its characterized in that: be equipped with snakelike steam outer tube in the collection box, the steam outer tube endotheca is equipped with the recovery inner tube, and the top of steam outer tube is connected with steam inlet pipe, and the bottom is connected with the steam outlet pipe, and the corresponding end connection of recovery inner tube and steam inlet pipe has recovery inlet pipe, and another end connection has recovery outlet pipe, and the top is equipped with the shower spray in the collection box, be equipped with the shower nozzle on the shower spray, the shower spray passes through the circulating pipe and is connected with the collection box bottom, is equipped with the spray pump on the circulating pipe.

2. The steam waste heat recovery device according to claim 1, wherein: baffling baffles are arranged in the recovery box at intervals.

3. The steam waste heat recovery device according to claim 1, wherein: the recycling tank is provided with a water feeding pipe and a hot water outlet pipe, and a heat preservation layer is arranged outside the recycling tank.

4. The steam waste heat recovery device according to claim 1, wherein: and a condensed water drain pipe is arranged on the steam outer pipe, and a drain valve is arranged on the condensed water drain pipe.

5. The steam waste heat recovery device according to claim 1, wherein: the steam inlet pipe and the recovery inlet pipe are arranged in parallel, separators for axially separating the steam inlet pipe and the recovery inlet pipe into two parts are arranged in the steam inlet pipe and the recovery inlet pipe respectively, each separator comprises a baffle and semicircular connecting plates connected to two ends of the corresponding baffle respectively, each baffle extends along the axial direction of the steam inlet pipe or the recovery inlet pipe, a circular table hole is formed in each baffle, a conical plug matched with the baffle is arranged in each circular table hole, a sleeve is arranged between the steam inlet pipe and the recovery inlet pipe, a connecting rod is arranged in each sleeve, a sealing piston is connected to each connecting rod and is in sliding sealing fit with each sleeve, each sealing piston is connected with the corresponding steam inlet pipe through a spring sleeved outside each connecting rod, the bottom end of each connecting rod extends into the corresponding recovery inlet pipe and is connected with the top of the corresponding conical plug of the corresponding recovery inlet pipe, and the top end of each connecting rod extends into the corresponding steam inlet pipe and is connected with the bottom of the corresponding conical plug of the corresponding steam inlet pipe, the connecting rod is in sliding sealing fit with the recovery inlet pipe and the steam inlet pipe.