CN223192134U - Continuous-exhaust waste heat circulation system - Google Patents

Abstract

The utility model discloses a continuous waste heat circulation system, comprising an exchanger, wherein the exchanger is provided with a water inlet joint, a water outlet joint, an air inlet pipe, and a liquid discharge pipe connected to the interior thereof; a spiral tube is fixedly provided inside the exchanger, one end of the spiral tube is connected to the water inlet joint, and the other end of the spiral tube is connected to the water outlet joint; a top wall and a bottom wall of the exchanger are respectively fixedly provided with a plurality of upper guide plates and lower guide plates for causing gas to flow back and forth within the exchanger; the upper guide plates and the lower guide plates are both arranged obliquely, and the upper guide plates and the lower guide plates are inclined in opposite directions; a water flow hole is provided on the lower guide plate for allowing condensed water to pass through. Since the upper guide plates and the lower guide plates are inclined in opposite directions, the flow rate of the gas is slowed down, so that the gas fully contacts the upper guide plates, the lower guide plates, and the spiral tube during the process of the return flow, thereby accelerating the condensation of the gas and improving the efficiency of the heat exchange.

Description

Continuous-exhaust waste heat circulation system

Technical Field

The utility model relates to the technical field of continuous waste heat removal, in particular to a continuous waste heat removal circulating system.

Background

The continuous exhaust heat mainly refers to the exhaust heat recovered by a boiler continuous exhaust system, and the exhaust heat can be utilized to generate steam through an exhaust heat boiler so as to push a steam turbine to do mechanical work or generate electricity, and can also be used for heating or producing hot water. In order to fully utilize the waste heat and prevent waste heat waste, a continuous waste heat removal circulating system is required.

The utility model discloses a boiler is fixed even arranges waste heat recovery device in chinese patent document of bulletin number CN214065809U, including front end housing, jar body and rear end housing, front end housing, jar body and rear end housing connect gradually, be provided with the baffle on the horizontal central axis direction of front end housing, the baffle divide into water outlet side and water inlet side with the front end housing of front end housing, be provided with the demineralized water import on the front end housing of water outlet side, be provided with waste gas entry and comdenstion water export on the jar body, waste gas entry is in demineralized water export one side, the comdenstion water export is in demineralized water import one side, jar internal portion is provided with the tube bank, the equidistance is provided with the baffling board on the upper and lower inner wall of jar body, the perpendicular length of baffling board is less than the diameter of jar body, makes waste gas can turn back and flows, be provided with the baffling board hole on the baffling board, pass the baffling board hole and with baffling board sealing connection. The arrangement of the baffle plates realizes the return flow of the waste gas.

The scheme disclosed by the scheme has the defects that although the waste gas can flow back in the tank body, the flow speed of the waste gas is high, so that the heat exchange efficiency is low, and meanwhile, the baffle plate at the bottom of the inner wall of the tank body can prevent the condensed water from being smoothly discharged, so that the waste of water resources is caused.

Disclosure of utility model

The utility model aims to overcome the existing defects and provide a continuous exhaust heat circulating system which can effectively solve the problems in the background technology by obliquely arranging an upper guide plate and a lower guide plate and slowing down the flow velocity of hot gas returning.

The technical scheme is that the continuous waste heat recycling system comprises an exchanger, wherein a water inlet joint, a water outlet joint, an air inlet pipe and a liquid discharge pipe which are communicated with the inside of the exchanger are arranged on the exchanger, a spiral pipe is fixedly arranged in the exchanger, one end of the spiral pipe is communicated with the water inlet joint, the other end of the spiral pipe is communicated with the water outlet joint, a plurality of upper guide plates and lower guide plates are fixedly arranged on the top wall and the bottom wall in the exchanger respectively and used for enabling gas to flow in the exchanger in a turning way, the upper guide plates and the lower guide plates are obliquely distributed, the inclination directions of the upper guide plates and the lower guide plates are opposite, and water holes allowing condensed water to pass through are formed in the lower guide plates.

Further, the outside of exchanger is provided with boiler, coolant tank, deaerator and wet for electricity water tank respectively, and the even calandria and the intake pipe intercommunication of boiler, coolant tank and water inlet connector intercommunication, deaerator and water outlet connector intercommunication, wet for electricity water tank and fluid-discharge tube intercommunication.

Further, the water inlet connector and the water outlet connector are respectively positioned at two ends of the exchanger, and the position of the water inlet connector is higher than that of the water outlet connector.

Further, the air inlet pipe is positioned at one side of the top of the exchanger close to the water inlet joint, and the liquid discharge pipe is positioned at one side of the bottom of the exchanger close to the water outlet joint.

Further, one sides of the upper guide plates are respectively attached to the spiral pipe.

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

Because the upper guide plate and the lower guide plate are obliquely arranged, and the oblique directions of the upper guide plate and the lower guide plate are opposite. Therefore, after the hot gas enters the exchanger, the hot gas continuously turns back under the guide flow of the upper guide plates and the lower guide plates, and the inclined directions of the upper guide plates and the lower guide plates are opposite, so that the flow speed of the gas is slowed down, the gas is fully contacted with the upper guide plates, the lower guide plates and the spiral pipes in the turning back flowing process, the condensation of the gas is accelerated, and the heat exchange efficiency is improved. The liquid condensed by the hot gas flows to the bottom of the exchanger along the upper guide plate and the lower guide plate and passes through the water holes to enter the liquid discharge pipe, so that the lower guide plate is prevented from blocking the condensed water to flow into the liquid discharge pipe, and water resources are fully utilized.

Drawings

FIG. 1 is a schematic overall view of the structure of the present utility model;

fig. 2 is a cross-sectional view of an exchanger constructed in accordance with the present utility model.

The boiler is shown as 1, the boiler is shown as 2, the exchanger is shown as 21, the spiral pipe is shown as 22, the water inlet joint is shown as 23, the water outlet joint is shown as 24, the air inlet pipe is shown as 25, the liquid discharge pipe is shown as 26, the upper guide plate is shown as 27, the lower guide plate is shown as 28, the water flow hole is shown as 3, the wet electric water tank is shown as 4, the cooling water tank is shown as 5, and the deaerator is shown as the water tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a continuous waste heat recycling system, which includes an exchanger 2, wherein the exchanger 2 is of a hollow cylindrical structure, and a water inlet joint 22, a water outlet joint 23, an air inlet pipe 24 and a liquid discharge pipe 25 are disposed on the exchanger 2 and are communicated with the inside of the exchanger. The water inlet joint 22 and the water outlet joint 23 are respectively positioned at two ends of the exchanger 2, and the position of the water inlet joint 22 is higher than that of the water outlet joint 23. The air inlet pipe 24 is positioned at one side of the top of the exchanger 2 close to the water inlet joint 22, and the liquid discharge pipe 25 is positioned at one side of the bottom of the exchanger 2 close to the water outlet joint 23.

The outside of the exchanger 2 is provided with a boiler 1, a cooling water tank 4, a deaerator 5 and a wet electricity water tank 3, respectively. The row pipe of the boiler 1 is communicated with the air inlet pipe 24, the cooling water tank 4 is communicated with the water inlet joint 22 through a pipeline, the deaerator 5 is communicated with the water outlet joint 23 through a pipeline, and the wet electricity water tank 3 is communicated with the liquid discharge pipe 25 through a pipeline.

The inside of the exchanger 2 is fixedly provided with a spiral pipe 21, the spiral pipe 21 is distributed along the length direction of the exchanger 2, one end of the spiral pipe 21 is communicated with a water inlet joint 22, and the other end of the spiral pipe 21 is communicated with a water outlet joint 23. The top wall and the bottom wall in the exchanger 2 are fixedly provided with a plurality of upper deflectors 26 and lower deflectors 27 respectively, the upper deflectors 26 and the lower deflectors 27 are respectively and equidistantly arranged, and the upper deflectors 26 and the lower deflectors 27 form a gas flow channel for making the gas flow in the exchanger 2 in a turn-back way.

The upper guide plate 26 and the lower guide plate 27 are obliquely arranged, the inclination directions of the upper guide plate 26 and the lower guide plate 27 are opposite, and one sides, close to each other, of the upper guide plate 26 and the lower guide plate 27 are inclined towards the water inlet joint 22. The lower deflector 27 is provided with a water hole 28 for allowing condensed water to pass through, and the water hole 28 is positioned at the bottommost end of the lower deflector 27. When the condensed water is collected at the bottom of the exchanger 2, the condensed water is convenient to flow into the drain pipe 25 through the water flowing hole 28, thereby avoiding the obstruction of the condensed water flowing into the drain pipe 25 by the lower deflector 27.

One side of each of the plurality of upper guide plates 26 is respectively attached to the spiral pipe 21, so that the spiral pipe 21 and the upper guide plates 26 can exchange heat conveniently, and the condensation speed of the upper guide plates 26 on gas is accelerated.

The working principle of the continuous-discharge waste heat circulation system provided by the utility model is as follows:

in use, hot gas generated by the continuous row of boilers 1 enters the exchanger 2 through the gas inlet pipe 24, and at the same time, cooling water in the cooling water tank 4 is supplied into the spiral pipe 21 through the water inlet joint 22, and the spiral shape of the spiral pipe 21 increases the path of the cooling water in the exchanger 2, so that the cooling water can fully absorb heat in the exchanger 2.

The hot gas is continuously turned back under the guidance of the upper guide plates 26 and the lower guide plates 27, and the upper guide plates 26 and the lower guide plates 27 are opposite in inclination direction, so that the flow speed of the gas is slowed down, the gas is fully contacted with the upper guide plates 26, the lower guide plates 27 and the spiral pipes 21 in the turning back flow process, the condensation of the gas is accelerated, the heating speed of cooling water is accelerated, and the heat exchange efficiency is improved.

The liquid condensed by the hot gas flows to the bottom of the exchanger 2 along the upper guide plate 26 and the lower guide plate 27, passes through the water holes 28, enters the liquid discharge pipe 25, flows into the wet electricity water tank 3 from the liquid discharge pipe 25 for standby, and the water holes 28 are arranged, so that the lower guide plate 27 can prevent the condensed water from flowing into the liquid discharge pipe 25, and water resources are fully utilized.

The cooling water absorbs enough heat in the process of condensing the hot gas, so that the cooling water is heated, and the heated water is supplied to the deaerator 5 for use through the water outlet joint 23, so that the heat of continuous hot gas is effectively utilized, and the energy conservation is facilitated.

And because the water inlet joint 22 is lower than the water outlet joint 23, the spiral pipe 21 can be filled with cooling water, the cooling effect of the cooling water in the spiral pipe 21 is exerted to the maximum extent, and the overall heat exchange efficiency is further improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (5)

1. A continuous-discharge waste heat circulation system comprises an exchanger (2) and is characterized in that a water inlet joint (22), a water outlet joint (23), an air inlet pipe (24) and a liquid discharge pipe (25) which are communicated with the inside of the exchanger (2) are arranged on the exchanger (2), a spiral pipe (21) is fixedly arranged in the exchanger (2), one end of the spiral pipe (21) is communicated with the water inlet joint (22), the other end of the spiral pipe (21) is communicated with the water outlet joint (23), a plurality of upper guide plates (26) and lower guide plates (27) are fixedly arranged on the top wall and the bottom wall in the exchanger (2) respectively and are used for enabling gas to flow in the exchanger (2) in a turning mode, the upper guide plates (26) and the lower guide plates (27) are obliquely arranged, the inclination directions of the upper guide plates (26) and the lower guide plates (27) are opposite, and water flowing holes (28) allowing condensed water to pass through are formed in the lower guide plates (27).

2. The continuous-exhaust waste heat circulation system according to claim 1, wherein the boiler (1), the cooling water tank (4), the deaerator (5) and the wet electricity water tank (3) are respectively arranged outside the exchanger (2), the continuous-exhaust pipe of the boiler (1) is communicated with the air inlet pipe (24), the cooling water tank (4) is communicated with the water inlet joint (22), the deaerator (5) is communicated with the water outlet joint (23), and the wet electricity water tank (3) is communicated with the liquid discharge pipe (25).

3. The continuous waste heat recycling system of claim 1, wherein the water inlet joint (22) and the water outlet joint (23) are respectively positioned at two ends of the exchanger (2), and the position of the water inlet joint (22) is higher than that of the water outlet joint (23).

4. The continuous exhaust heat recycling system according to claim 3, wherein the air inlet pipe (24) is positioned at one side of the top of the exchanger (2) close to the water inlet joint (22), and the liquid discharge pipe (25) is positioned at one side of the bottom of the exchanger (2) close to the water outlet joint (23).

5. The continuous waste heat recycling system according to claim 1, wherein one side of the plurality of upper guide plates (26) is respectively attached to the spiral pipe (21).