CN-121409032-B - High-efficiency direct-injection condensation flue gas waste heat recovery device

CN121409032BCN 121409032 BCN121409032 BCN 121409032BCN-121409032-B

Abstract

The invention relates to the technical field of flue gas waste heat recovery, and provides a high-efficiency direct injection condensation flue gas waste heat recovery device which can construct a relatively independent treatment space for flue gas to be treated and drive the flue gas to complete repeated heat exchange circulation in the space, so that the recovery efficiency of the flue gas waste heat can be obviously improved, the waste heat recovery quality can be effectively ensured, the controllability of a waste heat recovery process is greatly enhanced, the practicability and the application value of an integral technical scheme are further improved.

Inventors

XIN WENJUN
LIU DONGMING
CHENG WENJU
LI SHUCHUN
CHEN WEIJIE
WANG KAI

Assignees

山东恒科环保设备有限公司

Dates

Publication Date: 20260508
Application Date: 20251230

Claims (10)

1. The utility model provides a high-efficient direct injection condensation flue gas waste heat recovery device, includes a plurality of circulating water systems, its characterized in that still includes flue system, flue system includes bottom ring shell and top ring shell, mutual fixed connection between bottom ring shell and the top ring shell, bottom ring shell and top ring shell cooperation form the annular chamber, be provided with a plurality of first division boards and a plurality of second division boards in the annular chamber, rotate between bottom ring shell and the top ring shell and be connected with first synchronizer ring and second synchronizer ring, a plurality of first division boards all with first synchronizer ring fixed connection, a plurality of second division boards all with second synchronizer ring fixed connection installs the linkage limit structure between first synchronizer ring and the second synchronizer ring, install electric telescopic handle on the top ring shell, electric telescopic handle is for the bottom fixedly connected with a plurality of outer takeoffs of bottom ring shell, a plurality of circulating water systems install respectively in a plurality of outer bottom, bottom ring shell and top ring shell are installed respectively with follower assembly and initiative subassembly, the second synchronizer ring fixed connection with second synchronizer ring fixed connection, first synchronizer ring and second synchronizer ring installs between the first synchronizer ring and the second synchronizer ring, install the linkage limit structure and power.
2. The efficient direct injection condensing flue gas waste heat recovery device according to claim 1, wherein the circulating water system comprises an outer cylinder shell, a flange plate is fixedly connected to the outer cylinder shell, a plurality of through holes are formed in the flange plate, an air inlet pipe is fixedly connected to the plurality of through holes, a flange ring is fixedly connected to the flange plate through a plurality of mounting bolts, the flange ring is fixedly connected to the bottom end of the outer connecting pipe, an upper water inlet pipe and a lower water return pipe are fixedly connected to the outer cylinder shell, a top telescopic bag is detachably mounted on the outer cylinder shell, and the top telescopic bag is communicated with the outer cylinder shell.
3. The efficient direct injection condensing flue gas waste heat recovery device according to claim 2, wherein a heat exchange bent pipe is fixedly connected to the bottom end of the air inlet pipe, an expansion pipe is fixedly connected to the bottom end of the heat exchange bent pipe, the inner diameter of the expansion pipe is larger than that of the air inlet pipe, and the air inlet pipe, the heat exchange bent pipe and the expansion pipe are sequentially communicated from top to bottom.
4. The efficient direct-injection condensing flue gas waste heat recovery device according to claim 3, wherein the follow-up assembly and the driving assembly respectively comprise a top mounting cylinder and a bottom mounting cylinder, the top mounting cylinder and the bottom mounting cylinder are respectively communicated with the annular cavity, a driving fan and a follow-up fan are respectively installed in the top mounting cylinder and the bottom mounting cylinder, the top mounting cylinder and the bottom mounting cylinder are respectively rotatably provided with a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively in transmission connection with the driving fan and the follow-up fan, the driving shaft corresponds to a second synchronizing ring, the first synchronizing ring corresponds to the driven shaft, a servo motor is installed on the top mounting cylinder, and the servo motor is used for rotationally driving the driving shaft.
5. The efficient direct injection condensing flue gas waste heat recovery device according to claim 4, wherein inner brackets are fixedly connected in the first synchronizing ring and the second synchronizing ring, outer unidirectional driving ratchets are rotatably connected to the two inner brackets, inner unidirectional driving rings are matched with the two outer unidirectional driving ratchets, the two inner unidirectional driving rings are fixedly connected with the driving shaft and the driven shaft respectively, reset conical springs are connected to the two outer unidirectional driving ratchets, and the two reset conical springs are fixedly connected with the two inner brackets respectively.
6. The efficient direct-injection condensing flue gas waste heat recovery device according to claim 5, wherein the linkage limiting structure comprises a sliding frame, the sliding frame is in sliding connection with the second synchronizing ring, two overhanging shafts are fixedly connected to the outer portion of the sliding frame, two transmission chute are arranged in the second synchronizing ring and are respectively matched with the two overhanging shafts, and the electric telescopic rod is used for driving the sliding frame.
7. The efficient direct-injection condensing flue gas waste heat recovery device according to claim 6, wherein a transmission ring is rotationally connected to the sliding frame, two transmission stepped shafts are fixedly connected to the transmission ring, a fixing frame is fixedly connected to a top ring shell, a driving rotating frame is rotationally connected to the fixing frame, two strip-shaped openings are formed in the driving rotating frame, the two transmission stepped shafts are respectively matched with the two strip-shaped openings, a transmission seat is fixedly connected to an actuating rod of the electric telescopic rod, and the transmission seat is rotationally connected with the driving rotating frame.
8. The efficient direct-injection condensing flue gas waste heat recovery device according to claim 7, wherein the bottom ring shell and the top ring shell are respectively fixedly connected with a flue gas inlet pipe and a flue gas outlet pipe, the flue gas inlet pipe and the flue gas outlet pipe are both communicated with the annular cavity, and the top mounting pipe and the bottom mounting pipe are respectively fixedly connected with the flue gas outlet pipe and the flue gas inlet pipe.
9. The efficient direct injection condensing flue gas waste heat recovery device according to claim 8, wherein the top mounting cylinder and the bottom mounting cylinder are fixedly connected with inner supporting frames, mounting shafts are respectively and rotatably connected in the two inner supporting frames, a follow-up fan and a driving fan are respectively and fixedly connected to the two mounting shafts, the top mounting cylinder and the bottom mounting cylinder are respectively and rotatably connected with double bevel gear transmission parts, each double bevel gear transmission part is respectively and rotatably connected with a cone gear and an outer cone gear ring in a cylinder, the two cone gears in the cylinder are respectively and fixedly connected with the two mounting shafts, and the two outer cone gear rings are respectively and fixedly connected to the driving shaft and the driven shaft.
10. The efficient direct injection condensing flue gas waste heat recovery device according to claim 9, wherein the top mounting cylinder and the bottom mounting cylinder are fixedly connected with inclined pull plates, and the two inclined pull plates are fixedly connected with the top ring shell and the bottom ring shell respectively.

Description

High-efficiency direct-injection condensation flue gas waste heat recovery device Technical Field The invention relates to the technical field of flue gas waste heat recovery, in particular to a high-efficiency direct-injection condensing flue gas waste heat recovery device. Background As is well known, a high-efficiency direct-injection condensing flue gas waste heat recovery device is an energy recovery device, and is mainly used for recovering heat energy from flue gas generated in an industrial process so as to improve energy efficiency. Through retrieving, chinese patent application No. CN202110836593.5 discloses a flue gas waste heat recoverer, it roughly describes as including the heat exchange component, the heat exchange component includes the outer tube, the inner tube and a plurality of center tubes, outer tube, inner tube and center tube coaxial setting and aperture reduce in proper order, form the running water passageway that water passed through between inner tube and the outer tube, the both ends of running water passageway are provided with water inlet and delivery port respectively, the both ends of inner tube are provided with air inlet and gas outlet respectively, the water inlet is located the same end of heat exchange component with the gas outlet, the delivery port is located the same end of heat exchange component with the air inlet, a plurality of center tubes are along the length direction interval setting of inner tube, the both ends of center tube all are provided with a plurality of connecting pipes, the both ends of connecting pipe switch on center tube and running water passageway respectively, the connecting pipe is in the direction slope of keeping away from center tube length direction from the one end that switches on to the other end by the center tube, chinese patent application No. CN 202110338590.9's patent discloses a flue gas waste heat recoverer, it roughly describes as including the shell, vertical inner wind channel and circulating water system, shell one side is equipped with the air inlet pipe, shell opposite side is equipped with the tuber pipe, the shell opposite side is equipped with tuber pipe and the circulating water system, the inlet is equipped with the tuber pipe, the vertical inside the vertical inner wind channel is equipped with spiral wind channel, the spiral wind channel is connected with the spiral wind pipe in the inside the shell, the spiral wind channel is connected with the inside the shell in the shell, the top is around the top is the shell the top is up to the shell. The two sets of prior art schemes can realize the recovery of waste heat in the flue gas, but both form a circulating waterway in the flue gas channel, and the purpose of waste heat recovery is achieved by forming heat conduction with water in the circulating waterway in the flue gas flowing process, namely, in the waste heat recovery process, the flue gas can be in a continuous discharging flowing state, so that the waste heat recovery controllability in the flue gas needs to be further improved, and the practicability needs to be further enhanced. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the efficient direct injection condensing flue gas waste heat recovery device which can construct a relatively independent treatment space for the flue gas to be treated and drive the flue gas to complete repeated heat exchange circulation in the space, thereby not only remarkably improving the recovery efficiency of the flue gas waste heat, but also effectively guaranteeing the waste heat recovery quality, greatly enhancing the controllability of the waste heat recovery process and further improving the practicability and the application value of the whole technical scheme. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a high-efficient direct injection condensation flue gas waste heat recovery device, includes a plurality of circulating water systems, still includes flue system, flue system includes bottom ring shell and top ring shell, mutual fixed connection between bottom ring shell and the top ring shell, bottom ring shell and top ring shell cooperation form the annular chamber, be provided with a plurality of first division boards and a plurality of second division boards in the annular chamber, rotate between bottom ring shell and the top ring shell and be connected with first synchronizer ring and second synchronizer ring, a plurality of first division boards all with first synchronizer ring fixed connection, a plurality of second division boards all with second synchronizer ring fixed connection installs the linkage limit structure between first synchronizer ring and the second synchronizer ring, install electric telescopic handle on the top ring shell, electric telescopic handle does the linkage limit structure provides power, the bottom fixedly connect