CN217978840U

CN217978840U - Exhaust gas waste heat recovery coating machine

Info

Publication number: CN217978840U
Application number: CN202222157768.2U
Authority: CN
Inventors: 周伟垚; 金海珍; 屠元珍
Original assignee: Suzhou Gerun Textile Technology Co ltd
Current assignee: Suzhou Gerun Textile Technology Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-06
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a waste gas waste heat recovery coating machine relates to coating machine technical field. The utility model discloses a coating machine body, its upper end is constructed with the exhaust frame, fixed mounting has the forced draught blower in the exhaust frame, still includes: the combustion box comprises a heat insulation box body fixedly mounted on one side of the coating machine body, the heat insulation box body is fixedly communicated with the exhaust frame through an air supply pipe, an ash frame arranged at the bottom of the heat insulation box body is detachably mounted in the heat insulation box body, a catalysis box communicated with the air supply pipe is connected to the ash frame, and a dust filter plate arranged above the catalysis box is fixedly mounted in the heat insulation box body. The utility model discloses a burning box can carry out high temperature catalytic combustion with waste gas and handle, reserves partly to the heat exchange tube in with high-temperature gas's heat energy through the heat exchanger and heats and carry the equipment of toasting to self-heating wind, and another part heat energy then carries as the auxiliary heating gas in the middle of the boiler through the outlet duct, heat energy in the waste gas that the efficient utilized more.

Description

Waste gas waste heat recovery coating machine

Technical Field

The utility model relates to a coating machine technical field, concretely relates to waste gas waste heat recovery coating machine.

Background

The coating machine is a device for coating glue and color on a substrate, and after the glue is coated, high-temperature air is needed to dry and finish the textile fabrics so as to shape the product. The general coating machine produces high-temperature gas to facilitate the shaping and drying of the coating, and during the period, fresh air needs to be continuously introduced and dirty waste gas is discharged, wherein the waste gas contains a large amount of smoke, polyphenyl organic matters, printing and dyeing auxiliaries, oil and other components.

The waste gas that current coating machine produced is not conform to national emission standard, generally needs to carry out high temperature oxidation treatment with waste gas earlier, and discharge the atmosphere again after filtering, but a large amount of heat energy can be wasted to such treatment mode to treatment facility generally is separated from far away with the coating machine, need use longer pipeline to communicate between them, and the maintenance and the change of pipeline also can increase manufacturing cost, consequently the utility model provides a waste gas waste heat recovery coating machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the waste gas that produces for solving current coating machine needs high temperature handle, and the energy consumption is higher to a large amount of heat energy do not all carry out better utilization, split type exhaust-gas treatment equipment can increase the problem of maintenance cost moreover, the utility model provides a waste gas waste heat recovery coating machine.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

waste gas waste heat recovery coating machine, including the coating machine body, its upper end is constructed with the exhaust frame, fixed mounting has the forced draught blower in the exhaust frame, still includes:

the combustion box comprises a heat insulation box body fixedly arranged on one side of the coating machine body, one side of the heat insulation box body is fixedly communicated with the exhaust frame through an air supply pipe, an ash frame arranged at the bottom of the heat insulation box body is detachably arranged in the heat insulation box body, the ash frame is connected with a catalytic box communicated with the air supply pipe, and a dust filtering plate arranged above the catalytic box is fixedly arranged in the heat insulation box body;

the heat exchanger is fixedly installed on the other side of the coating machine body, one end of the heat exchanger is fixedly communicated with the top of the heat insulation box body through a pipeline, the other end of the heat exchange box body is fixedly communicated with an air outlet pipe, a heat exchange tube is installed in the heat exchanger, one end of the heat exchange tube is fixedly communicated with an air exhauster, and the other end of the heat exchange tube is fixedly communicated with a drying tube.

Furthermore, both sides of the coating machine body are fixedly connected with bearing plates arranged close to the upper ends of the coating machine body, and the combustion box and the heat exchanger are fixedly arranged on the bearing plates.

Furthermore, the equal fixedly connected with L type connecting block of two corners of bottom in the burning box, the ashes frame is including sliding insert establish the dish of accepting of burning box one side, accept the equal fixedly connected with in dish both sides and insert the grafting piece of establishing the L type connecting block indent side, accept the dish towards one side fixedly connected with mounting panel of outside, rotate on the mounting panel and install the connecting screw who runs through burning box lateral wall and threaded connection on L type connecting block.

Further, one side fixed connection of mounting panel towards the combustion box is connected with sealed the pad, the fixed cover in the connecting screw outside is equipped with the sealing washer that contacts with the combustion box lateral wall.

Further, the catalysis case includes that fixed mounting just slides and inserts the framework of establishing in the burning box on accepting the dish, the one end fixedly connected with heat insulating frame of framework outside facing, install the temperature measurement ware in the heat insulating frame, heat insulating frame can dismantle towards the one end of outside and insert and be equipped with sealed lid, construct the feed inlet of mutual intercommunication between heat insulating frame and the framework, demountable installation has the connecting cover in the feed inlet.

Further, connect the lid including threaded connection at the intraoral column piece of feed inlet, the one end fixedly connected with post pole in the thermal-insulated frame of column piece orientation, the post pole tip is constructed with the polygon jack.

Furthermore, the heat exchanger includes the heat storage box of fixed mounting on the loading board, it constructs along its direction of height array a plurality of heat-conducting plates to deposit the incasement, and is a plurality of all construct the connecting pipe that two symmetries set up on the heat-conducting plate, two relative from top to bottom first intercommunication between the connecting pipe, be located the below the heat-conducting plate with deposit and construct the heating cavity between the bottom in the heat storage box.

Further, the heat exchange tube is U-shaped, two ends of the heat exchange tube are fixedly arranged at the upper end of the heat storage box, and the heat exchange tube is arranged among the heat conduction plates in a penetrating mode.

The beneficial effects of the utility model are as follows: the utility model discloses a set up the burning box in coating machine one side, and be provided with the catalysis case in its inside, can reduce waste gas required combustion temperature in the burning box through the catalysis case, and then reduce the energy consumption, and the intercommunication has the heat exchanger of installing at the coating machine opposite side on the burning box, can carry the heat exchanger in the middle of with the high temperature waste gas who handles, it heats and carries the baking equipment to self-heating wind in partly to the heat exchange tube to persist high temperature gas's heat energy through the heat exchanger, another part heat energy then carries as the auxiliary heating gas in the middle of the boiler through the outlet duct, heat energy in the waste gas that the efficient utilized more, and the equipment of integration can reduce the required pipeline length of device, thereby reduce the maintenance cost, and the practicability is increased.

Drawings

FIG. 1 is a partial sectional view of the three-dimensional structure of the present invention;

FIG. 2 is an explosion schematic diagram of the three-dimensional structure of the combustion box of the present invention;

FIG. 3 is an enlarged view of the present invention at A in FIG. 2;

FIG. 4 is a perspective structural view of the heat exchanger of the present invention;

FIG. 5 is a perspective semi-sectional view of the heat exchanger of the present invention;

FIG. 6 is a further perspective semi-sectional view of the heat exchanger of the present invention;

reference numerals are as follows: 1. a coating machine body; 101. carrying a plate; 2. an exhaust frame; 3. a blower; 4. a combustion box; 401. an L-shaped connecting block; 5. a heat insulation box body; 6. an air supply pipe; 7. an ash frame; 701. a bearing plate; 702. an insertion block; 703. mounting a plate; 704. connecting a screw rod; 8. a catalyst box; 801. a frame body; 802. a heat insulation frame; 803. a temperature measurer; 804. a sealing cover; 805. a feed inlet; 806. a connecting cover; 8061. a column block; 8062. a post rod; 8063. a polygonal jack; 9. a dust filter plate; 10. a heat exchanger; 1001. a heat storage box; 1002. a heat conducting plate; 1003. a connecting pipe; 1004. heating the cavity; 11. an air outlet pipe; 12. a heat exchange pipe; 13. an exhaust fan; 14. and (7) drying the tube.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

As shown in fig. 1-4, the utility model discloses an embodiment provides a waste gas waste heat recovery coating machine, including coating machine body 1, for existing equipment, it is used for carrying out the rubber coating on the substrate, scribbles the look to carry out drying process through high-temperature gas to the coating on the substrate, like drying equipment etc. its upper end is constructed with exhaust frame 2, and fixed mounting has forced draught blower 3 in the exhaust frame 2, and the gas after toasting can be mingled with material such as a large amount of smoke and dust, polyphenyl organic matter and pass through forced draught blower 3 exhaust frame 2, still includes: the combustion box 4 comprises a heat insulation box body 5 fixedly installed on one side of the coating machine body 1, one side of the heat insulation box body 5 is fixedly communicated with the exhaust frame 2 through an air supply pipe 6, a burner is installed on the other side of the heat insulation box body 5 and used for increasing heat of exhaust gas and enabling the exhaust gas to be fully combusted in the combustion box 4, an ash frame 7 arranged at the bottom of the ash frame is detachably installed in the heat insulation box body 5, a catalytic box 8 communicated with the air supply pipe 6 is connected onto the ash frame 7, a dust filtering plate 9 located above the catalytic box 8 is fixedly installed in the heat insulation box body 5, the catalytic box 8 has the same function as an existing catalytic bed and is used for receiving the exhaust gas and mixing a catalyst into the gas, the combustion temperature of the full combustion of the exhaust gas is favorably reduced, the energy consumption is reduced, and the ash frame 7 is used for bearing dust blocked by the dust filtering plate 9 and inorganic substance ash generated by the combustion so that the exhaust gas can reach the emission standard and can be discharged; a heat exchanger 10 fixedly arranged at the other side of the coating machine body 1, one end of the heat exchanger is fixedly communicated with the top of the heat insulation box body 5 through a pipeline, the other end of the heat exchanger is fixedly communicated with an air outlet pipe 11 and is used for communicating a boiler used in a coating production plant, a heat exchange pipe 12 is arranged in the heat exchanger 10, one end of the heat exchange pipe 12 is fixedly communicated with an exhaust fan 13, the other end of the heat exchange pipe 12 is fixedly communicated with a drying pipe 14, a drying agent filter screen is arranged in the drying pipe 14 and is used for communicating with drying equipment used in the coating machine body 1 production line and is used for further drying external natural air so as to be directly used by the drying equipment, waste gas is discharged into the heat exchanger 10 after being treated by a combustion box 4, and the heat exchanger 10 can retain part of heat in the heat exchange pipe 12, and the other part of heat can be discharged into the boiler through the air outlet pipe 11 along with the waste gas and used as auxiliary heating gas, and the air outlet pipe 11 adopts a heat insulation pipeline, so that the heat loss of the gas in the conveying process is reduced as much as possible, the heat remained in the heat exchange pipe 12 can be used for heating the natural wind pumped into the heat exchange pipe 12 by the exhaust fan 13, and the drying pipe 14 can further dry the heated natural wind and convey the natural wind to the drying equipment for use.

As shown in fig. 1, in some embodiments, both sides of the coater body 1 are fixedly connected with a bearing plate 101 disposed near the upper end thereof, the combustion box 4 and the heat exchanger 10 are fixedly mounted on the bearing plate 101, the combustion box 4 and the heat exchanger 10 with high heat energy content are disposed on the upper side of the coater body 1 through the bearing plate 101, and the pipelines communicated therebetween are disposed above the coater body 1, so that the heat emitted from the combustion box and the heat exchanger can be prevented from affecting the operation of the coater body 1, and the safety of the equipment can be guaranteed.

As shown in fig. 2, in some embodiments, L-shaped connection blocks 401 are fixedly connected to two corners of the bottom inside the combustion box 4, the ember frame 7 includes a receiving plate 701 slidably inserted into one side of the combustion box 4, insertion blocks 702 inserted into the concave side of the L-shaped connection blocks 401 are fixedly connected to two sides of the receiving plate 701, sliding guidance of the receiving plate 701 can be achieved by insertion cooperation of the insertion blocks 702 and the L-shaped connection blocks 401, and installation and detachment of the receiving plate 701 are facilitated, a mounting plate 703 is fixedly connected to one side of the receiving plate 701 facing the outside, a connection screw 704 penetrating through the side wall of the combustion box 4 and screwed to the L-shaped connection blocks 401 is rotatably installed on the mounting plate 703, the mounting plate 703 is used for limiting the installation direction of the receiving plate 701 and can abut against the outer wall of the combustion box 4 to increase sealing performance, and the connection with the L-shaped connection blocks 401 through the connection screw 704 can achieve detachable connection between the receiving plate 701 and the combustion box 4, so as to clean ember and impurities therein, thereby increasing convenience.

As shown in fig. 2, in some embodiments, a sealing gasket is fixedly connected to one side of the mounting plate 703 facing the combustion box 4, a sealing ring contacting with a side wall of the combustion box 4 is fixedly sleeved on an outer side of the connecting screw 704, and the sealing gasket and the sealing ring are both made of high temperature resistant flexible graphite clip metal material, and both can be used to increase the sealing performance between the ash frame 7 and the combustion box 4, reduce heat loss, and improve the waste heat recovery utilization rate.

As shown in fig. 2, in some embodiments, the catalyst box 8 includes a frame 801 fixedly mounted on the tray 701 and slidably inserted into the combustion box 4, a catalytic bed is disposed inside the frame 801 for mixing the exhaust gas with the catalyst, a heat insulation frame 802 is fixedly connected to an end of the frame 801 facing outward, a temperature measuring device 803 is installed inside the heat insulation frame 802, a connection portion between the heat insulation frame 802 and the frame 801 is made of a heat conductive material, a temperature change inside the catalyst box 8 can be observed by the temperature measuring device 803, thereby facilitating subsequent addition and replacement of the catalyst, a sealing cover 804 is detachably inserted into an end of the heat insulation frame 802 facing outward, a feed port 805 communicating with each other is configured between the heat insulation frame 802 and the frame 801, a connection cover 806 is detachably installed inside the feed port 805, and when the catalyst needs to be replaced or added, the internal temperature can be observed by the temperature measuring device 803 first, when the temperature decreases to a certain extent, the sealing cover 804 can be opened, then the connection cover 806 is opened, and the catalyst is filled into the frame through the feed port 801, thereby completing the replacement of the catalyst.

As shown in fig. 2-3, in some embodiments, the connection cover 806 includes a column block 8061 screwed into the feed opening 805, a column rod 8062 is fixedly connected to an end of the column block 8061 facing the inside of the heat insulation frame 802, a polygonal insertion hole 8063 is formed at an end portion of the column rod 8062, and the column block 8061 and the polygonal insertion hole 8063 are arranged to facilitate a person to detach the connection cover 806 by inserting a polygonal wrench into the polygonal insertion hole 8063 to rotate the column rod 8062 when the person needs to open the feed opening 805, so that the whole process does not need to contact the connection cover 806, thereby increasing safety.

As shown in fig. 4 to 6, in some embodiments, the heat exchanger 10 includes a heat storage tank 1001 fixedly installed on the loading plate 101, a plurality of heat conduction plates 1002 are configured in the heat storage tank 1001 along a height direction thereof in an array manner for pouring heat into the heat exchange tubes 12 uniformly so as to effectively heat the natural wind pumped by the exhaust fan 13, two connection tubes 1003 symmetrically configured on each of the plurality of heat conduction plates 1002, the two connection tubes 1003 opposite to each other are communicated with each other in a head position, a heating cavity 1004 is configured between the lowermost heat conduction plate 1002 and the bottom of the heat storage tank 1001, the connection tubes 1003 are configured so as to increase an area through which the high-temperature exhaust gas passes in the heat storage tank 1001, and the heating cavity 1004 is configured so as to disperse the gas among the heat conduction plates 1002 of each layer and finally discharge the gas through another group of connection tubes 1003, so as to increase a heat exchange rate and increase a heat absorption amount of the heat exchange tubes 12.

As shown in fig. 5 to 6, in some embodiments, the heat exchange tube 12 is U-shaped and both ends of the heat exchange tube 12 are fixedly mounted at the upper end of the heat storage tank 1001, and the heat exchange tube 12 is penetratingly mounted between the heat conducting plates 1002, so as to increase the flow area of the heat exchange tube 12 in the heat conducting plates 1002, further increase the heat absorption amount of the heat exchange tube 12, and further improve the waste heat recovery utilization rate of the device.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Exhaust gas waste heat recovery coating machine, including coating machine body (1), its upper end is constructed with exhaust frame (2), exhaust frame (2) internal fixation installs forced draught blower (3), its characterized in that still includes:

the combustion box (4) comprises a heat insulation box body (5) fixedly installed on one side of the coating machine body (1), one side of the heat insulation box body (5) is fixedly communicated with the exhaust frame (2) through an air supply pipe (6), an ash frame (7) arranged at the bottom of the heat insulation box body is detachably installed in the heat insulation box body (5), a catalytic box (8) communicated with the air supply pipe (6) is connected onto the ash frame (7), and a dust filtering plate (9) located above the catalytic box (8) is fixedly installed in the heat insulation box body (5);

the coating machine comprises a heat exchanger (10) fixedly mounted on the other side of a coating machine body (1), one end of the heat exchanger is fixedly communicated with the top of a heat insulation box body (5) through a pipeline, the other end of the heat insulation box body is fixedly communicated with an air outlet pipe (11), a heat exchange pipe (12) is mounted in the heat exchanger (10), one end of the heat exchange pipe (12) is fixedly communicated with an exhaust fan (13), and the other end of the heat exchange pipe (12) is fixedly communicated with a drying pipe (14).

2. The exhaust gas waste heat recovery coating machine according to claim 1, characterized in that both sides of the coating machine body (1) are fixedly connected with a bearing plate (101) arranged near the upper end thereof, and the combustion box (4) and the heat exchanger (10) are fixedly mounted on the bearing plate (101).

3. The coating machine for recycling waste heat of exhaust gas as claimed in claim 1, wherein L-shaped connecting blocks (401) are fixedly connected to two corners of the bottom in the combustion box (4), the ash frame (7) comprises a bearing disc (701) slidably inserted on one side of the combustion box (4), two sides of the bearing disc (701) are fixedly connected with plug blocks (702) inserted on the concave side of the L-shaped connecting blocks (401), one side of the bearing disc (701) facing to the outside is fixedly connected with a mounting plate (703), and a connecting screw (704) penetrating through the side wall of the combustion box (4) and screwed on the L-shaped connecting blocks (401) is rotatably mounted on the mounting plate (703).

4. The exhaust gas waste heat recovery coating machine according to claim 3, characterized in that a sealing gasket is fixedly connected to one side of the mounting plate (703) facing the combustion box (4), and a sealing ring in contact with the side wall of the combustion box (4) is fixedly sleeved on the outer side of the connecting screw (704).

5. The exhaust gas waste heat recovery coating machine according to claim 3, characterized in that the catalytic box (8) comprises a frame body (801) fixedly arranged on the bearing disc (701) and slidably inserted in the combustion box (4), one end of the frame body (801) facing to the outer side is fixedly connected with an insulating frame (802), a temperature measurer (803) is arranged in the insulating frame (802), one end of the insulating frame (802) facing to the outer side is detachably inserted with a sealing cover (804), a feeding hole (805) communicated with each other is formed between the insulating frame (802) and the frame body (801), and a connecting cover (806) is detachably arranged in the feeding hole (805).

6. The exhaust gas waste heat recovery coating machine according to claim 5, characterized in that the connection cover (806) comprises a column block (8061) screwed into the feed inlet (805), the column block (8061) is fixedly connected with a column rod (8062) towards one end in the heat insulation frame (802), and the end of the column rod (8062) is configured with a polygonal socket (8063).

7. The exhaust gas waste heat recovery coating machine according to claim 2, characterized in that the heat exchanger (10) comprises a heat storage tank (1001) fixedly mounted on a bearing plate (101), a plurality of heat conducting plates (1002) are constructed in the heat storage tank (1001) along the height direction thereof in an array manner, two symmetrically arranged connecting pipes (1003) are constructed on each of the plurality of heat conducting plates (1002), the two connecting pipes (1003) which are opposite up and down are communicated with each other in a head position, and a heating cavity (1004) is constructed between the heat conducting plate (1002) at the lowest position and the inner bottom of the heat storage tank (1001).

8. The exhaust gas waste heat recovery coating machine according to claim 7, wherein the heat exchange pipe (12) is U-shaped and both ends thereof are fixedly installed at the upper end of the heat storage tank (1001), and the heat exchange pipe (12) is penetratingly installed between the plurality of heat conductive plates (1002).