CN213363485U

CN213363485U - Waste gas and waste heat recycling device of setting machine

Info

Publication number: CN213363485U
Application number: CN202022393297.6U
Authority: CN
Inventors: 骆一平
Original assignee: Zhejiang Genon Environment Technology Co ltd
Current assignee: Zhejiang Genon Environment Technology Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-06-04
Anticipated expiration: 2030-10-24

Abstract

The application relates to a setting machine waste gas waste heat retrieval and utilization device, including the blast pipe, be provided with the heat exchange tube in the blast pipe, lead to in the heat exchange tube and have heat transfer medium, the import and the export of heat exchange tube all stretch out outside the blast pipe. This application has the effect that improves heat utilization rate.

Description

Waste gas and waste heat recycling device of setting machine

Technical Field

The application relates to the field of forming machine equipment, in particular to a waste gas waste heat recycling device of a forming machine.

Background

The setting machine is a equipment for drying and setting cloth, and at present the setting machine can be dried the high temperature gas that burning natural gas produced for the cloth at the stoving design in-process, and the waste gas after the stoving can be passed through waste gas pipeline and is carried the discharge.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the temperature of the discharged waste gas is high, if the waste gas is directly discharged, the heat energy can be wasted, the utilization rate of the heat energy generated by the combustion of the natural gas is low, and the construction of a resource-saving society is not met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that heat utilization rate is low, the application provides a forming machine waste gas waste heat retrieval and utilization device.

The application provides a set machine waste gas waste heat retrieval and utilization device adopts following technical scheme:

the waste gas waste heat recycling device for the setting machine comprises an exhaust pipe, wherein a heat exchange pipe is arranged in the exhaust pipe, a heat transfer medium is introduced into the heat exchange pipe, and an inlet and an outlet of the heat exchange pipe extend out of the exhaust pipe.

By adopting the technical scheme, the heat of the high-temperature waste gas in the exhaust pipe is transferred to the heat transfer medium in the heat exchange pipe by the heat exchange pipe, the temperature of the heat transfer medium rises after the heat is absorbed, and the heat transfer medium is conveyed for use, so that the heat in the waste gas is utilized, the heat utilization rate of natural gas combustion is improved, and resources are saved.

Optionally, the heat exchange tube is arranged in the exhaust tube in a serpentine shape along the conveying direction of the flue gas.

Through adopting above-mentioned technical scheme, the heat exchange tube that snakelike set up has increased the length of heat exchange tube in the blast pipe, has increased thermal absorption area, has increased the heat transfer time, has improved the heat absorption capacity, has improved the effect that heat transfer medium is heated to improve the utilization ratio of heat energy, improved heat retrieval and utilization effect.

Optionally, the heat exchange tubes are arranged in a plurality at intervals along the horizontal diameter direction, outlets of all the heat exchange tubes are connected with a total discharge tube, and inlets of all the heat exchange tubes are connected with a total inlet tube.

Through adopting above-mentioned technical scheme, the blast pipe diameter is great, and most space is not contacted with the heat transfer pipe, and the loss that leads to the heat is more. Through the setting of many heat exchange tubes, improve the cross-section space occupation volume of blast pipe to further increased heat transfer area, increased the heat absorption capacity, thereby improved the thermal rate of utilization of waste gas.

Optionally, the cross section of the exhaust pipe is circular, the exhaust pipe is provided with a flared pipe, the cross section of the flared pipe is square, the central line of the exhaust pipe is collinear with the central line of the flared pipe, and the heat exchange pipe is installed on the flared pipe.

Through adopting above-mentioned technical scheme, square flaring pipe has compared in circular shape blast pipe cross sectional area and has increased, and can arrange more heat exchange tubes to increase heat transfer area, improve the heat recovery effect. Meanwhile, the cross section area is increased, so that the pressure is reduced and the flow speed is reduced at the moment when the waste gas enters the flared pipe from the exhaust pipe, the detention time of the waste gas is prolonged, and the heat absorption efficiency is increased.

Optionally, the inlet and the outlet of the heat exchange tube are both arranged above the flared tube, the setting plane of the heat exchange tube is on a vertical plane, and a fixing component connected with the heat exchange tube is arranged in the flared tube.

Through adopting above-mentioned technical scheme, because the waste gas air current velocity of flow is very fast, the heat exchange tube can receive blowing of waste gas and rock in the flared tube, can influence the stability of heat exchange tube and flared tube junction, probably leads to the leakproofness to descend and leak gas. Through the setting of fixed subassembly, play the fixed action to the heat exchange tube to improve the stability of heat exchange tube, reduce the degree of rocking, thereby reduced the possibility of gas leakage.

Optionally, the fixing assembly comprises a fixing rod installed in the flared tube and an elastic clip installed on the fixing rod, and the lower end of the heat exchange tube is clamped in the elastic clip.

Through adopting above-mentioned technical scheme, the elasticity clip realizes fixing to the heat exchange tube, reduces rocking of heat exchange tube, realizes the firm effect to the heat exchange tube. And the elastic clip is convenient for the detachment of the heat exchange tube and is convenient and fast to install.

Optionally, a connecting plate is connected to the opposite side of the elastic clip in the horizontal diameter direction.

Through adopting above-mentioned technical scheme, the connecting plate links together adjacent elasticity clip, retrains each other to improve the wholeness, thereby can improve firm effect.

Optionally, a connecting piece is fixed on the elastic clamp buckle, and the connecting plate is connected with the connecting piece through a bolt and a nut.

Through adopting above-mentioned technical scheme for but split between connecting plate and the elasticity clip, and fixed through bolted connection, it is comparatively convenient when the installation, and also be convenient for change when the connecting plate is impaired.

Optionally, a reinforcing beam is arranged on the outer wall of the flared tube.

By adopting the technical scheme, the square flared tube has lower strength than the circular exhaust tube, and can deform and bend due to expansion with heat and contraction with cold. Through the setting of stiffening beam, improve the intensity of flared tube to reduce flared tube deformation's degree, improve the stability of structure.

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

1. the heat in the waste gas is absorbed by the heat transfer medium, so that the heat in the waste gas is utilized, the heat utilization rate of natural gas combustion is improved, and resources are saved;

2. the arrangement of the flared pipe increases the heat absorption and improves the heat recovery rate;

3. through the setting of stiffening beam, reduce the degree of flaring pipe deformation, improve the stability of structure.

Drawings

Fig. 1 is a schematic view (one) of the three-dimensional structure of embodiment 1 of the present application.

Fig. 2 is a schematic view (ii) of the three-dimensional structure of example 1 of the present application, in which a flared tube and an exhaust pipe are cut away.

Fig. 3 is a schematic view of a three-dimensional structure of embodiment 2 of the present application, in which a flared tube, an exhaust pipe are cut away, and a fixing member is exploded.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1. an exhaust pipe; 2. a flared tube; 3. a reinforcing beam; 31. a frame ring; 32. a cross beam; 4. a heat exchange pipe; 41. a main discharge pipe; 42. a main inlet pipe; 5. a fixing assembly; 51. fixing the rod; 52. an elastic clip; 53. connecting sheets; 54. a connecting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses forming machine waste gas waste heat retrieval and utilization device.

Example 1

Referring to fig. 1, the waste gas waste heat recycling device comprises an exhaust pipe 1 connected with the setting machine, and the exhaust pipe 1 is used for discharging waste gas generated in the working process of the setting machine. The exhaust pipe 1 is in a circular pipe shape, a section of flared pipe 2 is welded on the exhaust pipe 1, the flared pipe 2 is in a square shape, the cross-sectional area of the flared pipe 2 is larger than that of the exhaust pipe 1, and meanwhile the center line of the exhaust pipe 1 is collinear with that of the flared pipe 2.

Referring to fig. 1, a reinforcing beam 3 is further provided on an outer wall of the flared tube 2, and the reinforcing beam 3 is used to improve the strength of the flared tube 2. The reinforcing beam 3 comprises a plurality of frame rings 31 and cross beams 32, and the plurality of frame rings 31 are uniformly welded on the outer wall of the flared tube 2 at intervals along the length direction of the flared tube 2; the cross member 32 connects all the frame rings 31, and is fixed to the frame rings 31 by welding.

Referring to fig. 2, a plurality of serpentine heat exchange tubes 4 are fixedly mounted in the flared tube 2, and five heat exchange tubes 4 are uniformly spaced along the horizontal width direction of the flared tube 2. The length direction of each heat exchange tube 4 is parallel to the length direction of the flared tube 2, and the plane of the heat exchange tube 4 is a vertical plane, wherein the outlet and the inlet of the heat exchange tube 4 extend out from the upper wall of the flared tube 2.

Referring to fig. 2, a heat transfer medium is filled in the heat exchange tube 4, and the heat transfer medium may be water, heat transfer oil, air or other liquid or gas capable of transferring heat, and in this embodiment, water is used. The outlets of the five heat exchange tubes 4 are connected with a total discharge pipe 41, and the inlets of the five heat exchange tubes 4 are connected with a total inlet pipe 42. Water enters from the main inlet pipe 42 and then into the five heat exchange pipes 4 and back to the main outlet pipe 41.

The application embodiment 1 implementation principle of a setting machine waste gas waste heat retrieval and utilization device does:

in the exhaust gas discharging process of the setting machine, cold water is introduced into the main inlet pipe 42, and the cold water is discharged from the main discharge pipe 41 after the heat exchange pipe 4 is heated and is conveyed for recycling, so that the heat of the exhaust gas is recovered.

Example 2

Referring to fig. 3, the present embodiment is different from embodiment 1 in that: in view of the stability of the heat exchange tube 4 within the flared tube 2, a plurality of fixing assemblies 5 are further provided within the flared tube 2 for improving the stability of the heat exchange tube 4.

Referring to fig. 4, the fixing assembly 5 includes a fixing rod 51 and an elastic clip 52, one end of the fixing rod 51 is vertically fixed on the lower wall inside the flared tube 2; the elastic clip 52 is concave, and the gap of the elastic clip 52 is smaller than the diameter thereof, the elastic clip 52 is fixed on the other end of the fixing rod 51, and the heat exchange tube 4 is clamped in the elastic clip 52. In order to facilitate the installation of the heat exchange tube 4, guide portions 55 are integrally formed at the notched end of the elastic clip 52, and the distance between the two guide portions 55 and the end of the elastic clip 52 is greater than the notch width of the elastic clip 52.

Referring to fig. 4, in order to further improve the stability of the heat exchange tubes 4, connecting pieces 53 are fixed on opposite sides of the elastic clips 52 at the same position of the adjacent heat exchange tubes 4, and two opposite connecting pieces 53 of the adjacent two heat exchange tubes 4 are connected by a connecting plate 54, and the connecting plate 54 and the connecting pieces 53 are fixed by bolts and nuts. This arrangement improves the integrity between the five heat exchange tubes 4.

The implementation principle of the setting machine waste gas waste heat recycling device in embodiment 2 of the application is as follows:

after the heat exchange tube 4 is mounted, the heat exchange tube 4 is clamped in the elastic clip 52 and then the connecting plate 54 is mounted by bolts and nuts, thereby completing the connection between the elastic clips 52.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 forming machine waste gas waste heat retrieval and utilization device, includes blast pipe (1), its characterized in that: the heat exchange pipe is characterized in that a heat exchange pipe (4) is arranged in the exhaust pipe (1), a heat transfer medium is communicated in the heat exchange pipe (4), and an inlet and an outlet of the heat exchange pipe (4) extend out of the exhaust pipe (1).

2. The waste gas waste heat recycling device of the setting machine according to claim 1, characterized in that: the heat exchange pipe (4) is arranged at the inner part of the exhaust pipe (1) and is arranged in a snake shape along the conveying direction of the flue gas.

3. The waste gas waste heat recycling device of the setting machine according to claim 1, characterized in that: the heat exchange tubes (4) are arranged in a plurality at intervals along the horizontal diameter direction, the outlets of all the heat exchange tubes (4) are connected with a total discharge tube (41), and the inlets of all the heat exchange tubes (4) are connected with a total inlet tube (42).

4. The waste gas waste heat recycling device of the setting machine according to any one of claims 1 to 3, characterized in that: the cross-section of blast pipe (1) becomes circular, blast pipe (1) is provided with flared tube (2), the cross-section of flared tube (2) is square, just the central line of blast pipe (1) with the central line collineation of flared tube (2), install heat exchange tube (4) on flared tube (2).

5. The waste gas waste heat recycling device of the setting machine according to claim 4, characterized in that: the inlet and the outlet of the heat exchange tube (4) are both arranged above the flared tube (2), the setting plane of the heat exchange tube (4) is on a vertical plane, and a fixing component (5) connected with the heat exchange tube (4) is arranged in the flared tube (2).

6. The waste gas waste heat recycling device of the setting machine according to claim 5, characterized in that: the fixing assembly (5) comprises a fixing rod (51) arranged in the flared tube (2) and an elastic clamping buckle (52) arranged on the fixing rod (51), and the lower end of the heat exchange tube (4) is clamped in the elastic clamping buckle (52).

7. The waste gas waste heat recycling device of the setting machine according to claim 6, characterized in that: and a connecting plate (54) is connected to the opposite side of the elastic clamping buckle (52) along the horizontal diameter direction.

8. The waste gas waste heat recycling device of the setting machine according to claim 7, characterized in that: the elastic clamp (52) is fixedly provided with a connecting piece (53), and the connecting plate (54) is connected with the connecting piece (53) through bolts and nuts.

9. The waste gas waste heat recycling device of the setting machine according to claim 4, characterized in that: and a reinforcing beam (3) is arranged on the outer wall of the flared tube (2).