CN215909718U

CN215909718U - Novel energy-conserving waste gas waste heat recovery system and forming machine

Info

Publication number: CN215909718U
Application number: CN202122575272.2U
Authority: CN
Inventors: 詹清光; 詹和金; 詹强伟
Original assignee: Shaoxing Xiaoxiao Environmental Protection Anti Corrosion Engineering Co ltd
Current assignee: Shaoxing Xiaoxiao Environmental Protection Anti Corrosion Engineering Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-02-25
Anticipated expiration: 2031-10-25

Abstract

The application relates to the technical field of heat treatment equipment, in particular to a novel energy-saving waste gas waste heat recovery system and a setting machine, and the main technical scheme is the novel energy-saving waste gas waste heat recovery system which comprises an outer case, wherein the inner part of the outer case is divided into a waste gas layer, an air return layer and a heat exchange layer which are sequentially arranged from bottom to top through a first partition plate and a second partition plate; the heat exchange layer is internally provided with a plurality of heat exchange tubes horizontally arranged, the heat exchange tubes are separated into a first cavity inside the heat exchange tubes and a second cavity outside the heat exchange tubes, the first cavity is communicated with the waste gas layer, and the gas return layer is communicated with the second cavity. The present application has the following effects: when the gas passes through the second cavity, the gas can exchange heat through the outer wall of the heat exchange tube, and the gradually heated gas can move to the gas return layer, so that the heated gas can be further heated by the waste gas in the waste gas layer on the lower side.

Description

Novel energy-conserving waste gas waste heat recovery system and forming machine

Technical Field

The application relates to the technical field of heat treatment equipment, in particular to a novel energy-saving waste gas waste heat recovery system and a setting machine.

Background

In the field of cloth and machining, various procedures such as drying, dip dyeing, rust removal and the like exist, and high-temperature gas is required for drying or shaping in the procedures. For example, after the air is heated by the heat source in the setting machine, the cloth in the machine case of the setting machine can be dried and set, and the used waste gas can be discharged after being treated.

However, the inventor believes that the exhaust gas still has a high temperature during the exhaust, and the temperature is directly exhausted through a previous heat source, which inevitably causes waste of the heat source.

SUMMERY OF THE UTILITY MODEL

In order to utilize the waste heat of abandonment, the energy saving, this application provides a novel energy-conserving waste gas waste heat recovery system and forming machine.

First aspect, the application provides a novel energy-conserving waste gas waste heat recovery system, adopts following technical scheme: a novel energy-saving waste gas waste heat recovery system comprises an outer case, wherein the inner part of the outer case is divided into a waste gas layer, an air return layer and a heat exchange layer which are sequentially arranged from bottom to top through a first partition plate and a second partition plate;

the heat exchange layer is internally provided with a plurality of heat exchange tubes horizontally arranged, the heat exchange tubes are separated into a first cavity inside the heat exchange tubes and a second cavity outside the heat exchange tubes, the first cavity is communicated with the waste gas layer, and the gas return layer is communicated with the second cavity.

Through adopting above-mentioned technical scheme, waste gas will at first enter into the waste gas in situ, enter into first intracavity afterwards, just also can enter into in the heat exchange tube, synchronous can let in new gas in the return-air layer this moment, gas is when passing through the second chamber, will carry out the heat transfer through the outer wall of heat exchange tube, also in the middle of the heat passes through heat-conduction transfer to new gas with waste gas, and the gas that is heated gradually will move to the return-air layer in, and at the in-process of motion because the return-air layer is located the middle part, will be kept warm from top to bottom, the gas after being heated like this, can also further be heated by the waste gas in the waste gas layer of downside.

Preferably, the heat exchange tubes are polygonal tubes, and the adjacent heat exchange tubes in the vertical direction are arranged in a staggered manner. .

Through adopting above-mentioned technical scheme, can increase the structural strength of whole heat exchange tube through setting up to the multilateral venturi tube to after having changed the appearance, new gas will be blockked by the outer wall of heat exchange tube when the outside through the heat exchange tube, can increase the time of staying of new gas, increase the effect of heat transfer.

Preferably, the heat exchange tubes are arranged at intervals along the length direction of the heat exchange layer, a blank reserving box is arranged between each group of heat exchange tubes, and at least one side of the circumferential side wall of the blank reserving box is not overlapped with the inner wall of the heat exchange layer, so that an air duct is formed.

Through adopting above-mentioned technical scheme, waste gas is inside at the in-process of motion, will follow a set of heat exchange tube and move to another group's heat exchange tube in, waste gas will produce certain turbulent flow in the blank case, increases the time of heat transfer, and the air duct that forms simultaneously in inside can reduce after the heat transfer towards the radiating possibility of outside, further increases energy-conserving effect.

Preferably, the ports of two adjacent groups of heat exchange tubes are arranged non-collinearly.

Through adopting above-mentioned technical scheme, when entering into to leaving white incasement, the waste gas in the heat exchange tube will not directly flow to in the heat exchange tube of next group, will be better in leaving white incasement and carry out the hysteresis.

Preferably, an impact piece for cleaning the interior of the heat exchange tube is arranged in the blank reserving box, and cleaning liquid or high-pressure gas is introduced into the impact piece.

Through adopting above-mentioned technical scheme, probably can have not few impurity in leaving white incasement owing to the hysteresis, can clear up it in subsequent use, accessible impact member washes the impurity in the heat transfer pipe to another and leaves white incasement simultaneously and get rid of.

Preferably, one end of the exhaust layer is provided with a first connecting cavity communicated with the first cavity, one end of the air return layer is provided with a second connecting cavity communicated with the second cavity, and the first connecting cavity and the second connecting cavity are located at the same end.

Through adopting above-mentioned technical scheme, can make like this at first waste gas will at least cross the whole length of outer quick-witted case completely, and when returning gas, also will get into from the waste gas outlet side, can make the motion route coincidence of new gaseous motion route and waste gas like this, carry out the action of secondary heat transfer.

Preferably, two adjacent air ducts are not on the same plane.

Through adopting above-mentioned technical scheme, when new gas is carrying out the heat transfer through the second chamber, will pass whole group's heat exchange tube along the direction of slope completely, guaranteed both heat transfer effect, also can increase the heat transfer route of new gas in the heat transfer layer.

Preferably, the outer case is provided with a waste gas channel communicated with the waste gas layer and an air return channel communicated with the air return layer, and the waste gas channel and the air return channel are provided with direct contact surfaces.

Through adopting above-mentioned technical scheme, when new gas is at the exhaust in-process, new waste gas that advances can be to new gas through the direct contact face reheat, realizes fine heat transfer energy-conserving effect.

In a second aspect, the present application provides a setting machine, which adopts the following technical scheme: the utility model provides a forming machine, includes the organism, install foretell novel energy-conserving waste gas waste heat recovery system on the organism.

Preferably, one end of the exhaust gas channel far away from the exhaust gas layer is communicated with an exhaust gas outlet of the machine body, and one end of the return gas channel far away from the return gas layer is communicated with the heating channel of the machine body.

Through adopting above-mentioned technical scheme, waste gas when discharging, with new gas backward flow, keep apart, the new gas that the heating was accomplished will enter into the heating channel, and both are except the exchange of heat, and remaining almost can not influence each other.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process of discharging the waste gas, new gas can be heated by the heat exchange tube, and the heated gas is recycled by the gas return layer, so that part of heat energy can be saved, preheating can be performed in advance, and the effect of saving energy is achieved;

2. the heat exchange tube is polygonal, so that the retention time of new gas in the second cavity can be prolonged, and the heat exchange effect can be improved;

3. set up the air duct into different planes, can make new gas follow the slant and move, fine heat transfer improves the time of contact heat transfer.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a cross-sectional view of the present application;

FIG. 3 is a partial cross-sectional view of the present application;

fig. 4 is a schematic structural diagram of the setting machine in the present application.

Description of reference numerals: 100. an outer chassis; 110. a first separator; 111. a baffle; 112. a first connection chamber; 120. a second separator; 130. a waste gas layer; 131. an exhaust gas duct; 140. a gas return layer; 141. a second connection chamber; 142. a return air duct; 150. a heat exchange layer; 151. a heat exchange pipe; 152. a white box is left; 153. an air duct; 160. an exhaust outlet box; 170. an air inlet machine; 200. a body; 210. the channel is heated.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses novel energy-conserving waste gas waste heat recovery system, refer to fig. 1, fig. 2, including outer machine case 100, have first baffle 110 and second baffle 120 in outer machine case 100 from bottom to top, two baffles are for the waste gas layer 130, return-air layer 140 and the heat transfer layer 150 that set gradually with its internal partitioning.

Referring to fig. 2 and 3, one end of the first partition 110 is hermetically connected to an inner wall of one end of the outer casing 100, and a gap is formed between the other end of the first partition 110 and the inner wall of the outer casing 100, a baffle 111 is welded to the end of the first partition 110, the baffle 111 is perpendicular to the first partition 110, and seals the air return layer 140 and the heat exchange layer 150, and an end of the baffle 111, which is far away from the first partition 110, is welded to a top wall of the outer casing 100. At this time, the end of the outer casing 100 where the baffle 111 is provided will form a first connection cavity 112 through the baffle 111 and the inner wall of the outer casing 100, and the first connection cavity 112 is communicated with the exhaust layer 130.

A plurality of heat exchange tubes 151 horizontally arranged are arranged in the heat exchange layer 150, and the heat exchange tubes 151 in this embodiment are tubes with hexagonal cross sections. The heat exchange layer 150 is internally partitioned into a first chamber and a second chamber by a heat exchange tube 151. The first chamber is located inside the heat exchange tube 151, the second chamber is located outside the heat exchange tube 151, one end of the heat exchange tube 151 is welded on the guide plate 111, and the inner chamber of the heat exchange tube 151, that is, the first chamber penetrates through the guide plate 111, so the first chamber is communicated with the exhaust gas layer 130.

The air return layer 140 is located between the heat exchange layer 150 and the exhaust gas layer 130, and is communicated with the second chamber, and one end of the air return layer 140 is communicated with the air return layer 140 through a second connecting chamber 141, and the communication manner is that a gap is formed at one end of the second partition plate 120 close to the deflector 111, and the gap forms the second connecting chamber 141. The first connection chamber 112 and the second connection chamber 141 are located at the same end.

In this embodiment, a plurality of groups of heat exchange tubes 151 are arranged at intervals along the length direction of the heat exchange layer 150, a whitening box 152 is arranged between each group of heat exchange tubes 151, one end of the heat exchange tube 151 closest to the first connection cavity 112 is welded on the guide plate 111, the other end of the heat exchange tube 151 is welded on the side wall of the whitening box 152, and the heat exchange tubes 151 are communicated with the inside of the whitening box 152. In this embodiment, the ports of two adjacent sets of heat exchange tubes 151 are arranged in a common line. However, in other embodiments, the ports of the two sets of heat exchange tubes 151 may not be collinear, which may allow the exhaust gas to move with a lag motion within the whitepack tank 152 to the next set of heat exchange tubes 151.

Because waste gas will move a period of time in the blank leaving box 152, the mountable impact piece in the blank leaving box 152, the impact piece is the high-pressure squirt in this embodiment, and the liquid outlet of high-pressure squirt is just to the port of heat exchange tube 151 for in the blank leaving box 152 adjacent another is strikeed to the impurity in the heat exchange tube 151. In another embodiment, the device can also be a high-pressure air gun, and high-pressure air is introduced. Meanwhile, an access door can be additionally arranged on the blank leaving box 152, and the blank leaving box 152 can be opened through the access door and then maintained or better cleaned after entering.

At least one side of the sidewall of the blank case 152 in the circumferential direction is not overlapped with the inner wall of the heat exchange layer 150, thereby forming the air duct 153. Two adjacent air ducts 153 are not on the same plane in this embodiment, and two adjacent air ducts 153 are staggered from top to bottom, that is, after new gas enters, each heat exchange tube 151 will be passed along the oblique direction, and because heat exchange tube 151 is the hexagon, certain resistance can be increased, so that the heat exchange time can be increased, and total new gas will be in zigzag motion in the second cavity.

The end of the outer casing 100 remote from the first connection chamber 112 has an exhaust outlet box 160, from which exhaust will eventually be discharged. The outer cabinet 100 has an air inlet fan 170 on the outer wall thereof for communicating with the second chamber of the heat exchange pipe 151 nearest to the exhaust gas outlet box 160 so that new air passes through the heat exchange layer 150 from the opposite movement direction of the exhaust gas. Then moves into the air return layer 140 through the second connection cavity 141, and the outer chassis 100 is provided with the exhaust duct 131 communicated with the exhaust layer 130 and the air return duct 142 communicated with the air return layer 140, and finally is discharged through the air return duct 142, and in this process, the exhaust chamber on the lower layer can be heated. And the exhaust gas channel 131 and the air return channel 142 have a direct contact surface, and the exhaust gas just before entering the outer case 100 can also heat the new gas just after exiting the outer case 100, so that the utilization rate of heat energy can be improved through multiple heat exchange.

The implementation principle of the embodiment of the application is as follows: the exhaust gas enters the lowermost exhaust gas layer 130 through the exhaust gas duct 131, moves in the horizontal direction, enters the first chamber through the first connecting chamber 112, moves in the length direction of the heat exchange pipe 151, will move in a delayed manner in the whitening tank 152, increases in duration, and is finally discharged through the exhaust gas outlet tank 160. Synchronous, will have new gas to enter into the heat transfer layer 150 of the other end through air inlet machine 170, new gas is zigzag and passes each heat exchange tube 151 group, carries out the heat transfer, then enters into the return air layer 140 to the middle part through second connection chamber 141, can also be heated by the exhaust gas layer 130 of downside this moment, finally discharge through return air flue 142, and can also be heated by exhaust gas channel 131 when discharging, holistic waste gas waste heat utilization efficiency is high, has energy-conserving effect.

Based on foretell energy-conserving waste gas waste heat recovery system, this application embodiment still discloses a forming machine, refers to fig. 4, including organism 200, install foretell energy-conserving waste gas waste heat recovery system on the organism 200, the exhaust duct 131 is kept away from the one end on exhaust layer 130 and is linked together in the exhaust outlet of organism 200, and the one end that return air layer 140 was kept away from to return air duct 142 is linked together in the heating passageway 210 of organism 200, and return air duct 142 will be independent of exhaust duct 131 and get into to quick-witted incasement and heat.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel energy-conserving waste gas waste heat recovery system which characterized in that: the air conditioner comprises an outer case (100), wherein the outer case (100) is internally divided into a waste gas layer (130), an air return layer (140) and a heat exchange layer (150) which are sequentially arranged from bottom to top through a first partition plate (110) and a second partition plate (120);

the heat exchange layer (150) is internally provided with a plurality of heat exchange tubes (151) which are horizontally arranged, the heat exchange layer (150) is internally divided into a first cavity positioned inside the heat exchange tubes (151) and a second cavity positioned outside the heat exchange tubes (151) by the heat exchange tubes (151), the first cavity is communicated with the waste gas layer (130), and the air return layer (140) is communicated with the second cavity.

2. The novel energy-saving exhaust gas waste heat recovery system according to claim 1, characterized in that: the heat exchange tubes (151) are polygonal tubes, and the adjacent heat exchange tubes (151) in the vertical direction are arranged in a staggered mode.

3. The novel energy-saving exhaust gas waste heat recovery system according to claim 2, characterized in that: the heat exchange tubes (151) are arranged in multiple groups at intervals along the length direction of the heat exchange layer (150), a blank reserving box (152) is arranged between each group of heat exchange tubes (151), and at least one side of the circumferential side wall of the blank reserving box (152) is not overlapped with the inner wall of the heat exchange layer (150), so that an air duct (153) is formed.

4. The novel energy-saving exhaust gas waste heat recovery system according to claim 3, characterized in that: the ports of the two adjacent groups of heat exchange tubes (151) are arranged in a non-collinear way.

5. The novel energy-saving exhaust gas waste heat recovery system according to claim 4, characterized in that: and an impact piece for cleaning the interior of the heat exchange pipe (151) is arranged in the whitening box (152), and cleaning liquid or high-pressure gas is introduced into the impact piece.

6. The novel energy-saving exhaust gas waste heat recovery system according to claim 5, characterized in that: one end of the waste gas layer (130) is provided with a first connecting cavity (112) communicated with the first cavity, one end of the gas return layer (140) is provided with a second connecting cavity (141) communicated with the second cavity, and the first connecting cavity (112) and the second connecting cavity (141) are positioned at the same end.

7. The novel energy-saving exhaust gas waste heat recovery system according to claim 6, characterized in that: two adjacent air passages (153) are not on the same plane.

8. The novel energy-saving exhaust gas waste heat recovery system according to claim 7, characterized in that: the outer case (100) is provided with a waste gas channel (131) communicated with the waste gas layer (130) and an air return channel (142) communicated with the air return layer (140), and the waste gas channel (131) and the air return channel (142) have direct contact surfaces.

9. The utility model provides a setting machine, includes organism (200), its characterized in that: the novel energy-saving exhaust gas waste heat recovery system as claimed in claim 8 is mounted on the machine body (200).

10. The setting machine according to claim 9, wherein: one end of the waste gas channel (131) far away from the waste gas layer (130) is communicated with a waste gas outlet of the machine body (200), and one end of the air return channel (142) far away from the air return layer (140) is communicated with a heating channel (210) of the machine body (200).