Coke oven raw gas waste heat recovery device

Abstract

The utility model discloses a coke oven raw gas waste heat recovery device which comprises a processing pipe body, a gas filter screen is arranged on the lower portion in the processing pipe body, a driving motor is arranged on the lower portion of one end of the processing pipe body, a lead screw is arranged at the output end of the driving motor, a movable seat is arranged on the outer portion of the lead screw in a sliding mode, and the movable seat is arranged on the lower portion of the processing pipe body. Bristles are uniformly arranged at the top end of the movable seat, an air inlet pipe is arranged at the end, away from the driving motor, of the treatment pipe body in a penetrating mode, an air outlet pipe is arranged at the top end of the treatment pipe body in a penetrating mode, a material guide plate is arranged on the lower portion of the interior of the treatment pipe body, and a material discharging hole is formed in the end, close to the driving motor, of the material guide plate. By arranging the collecting box, the material guide plate, the lead screw, the air filter screen, the driving motor, the movable seat and the bristles, the bristles can be driven to reciprocate by utilizing the work of the driving motor, so that dust and impurities adhered to the air filter screen can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery equipment, in particular to a coke oven raw gas waste heat recovery device. Background Art

[0002] Coal-fired coke ovens are kilns that use coal to make coke. They are the main thermal equipment for coking. Modern coke ovens refer to horizontal chamber coke ovens that are mainly used to produce metallurgical coke and can recover coking chemical products. They are composed of a furnace body and auxiliary equipment. The coke oven body consists of a riser, a combustion chamber, a carbonization chamber, a ramp area, a heat storage chamber, etc., and are connected by a flue and a chimney. When the coke oven is working, in order to facilitate the recovery of waste heat from coal gas, a coke oven waste heat recovery device is needed.

[0003] At present, a coke oven raw coal gas waste heat recovery riser device, as described in the patent with publication number CN111592895A, comprises: a heat collecting network, a capillary copper tube, an air filter network, a protective cover, an evaporator, a compressor, a condenser, an exhaust pipe and an expansion valve. The heat collecting network is fixed in the middle position inside the riser body, the capillary copper tube runs through the inside of the heat collecting network, and the air filter network is assembled on the lower side of the inside of the riser body. This design solves the problem that the original raw coal coke oven is not convenient for quickly recovering the heat of the high-temperature gas discharged from the inside. The protective cover is fixed on the lower side of the left end face of the riser body, the upper end face of the evaporator is connected to the left side of the air guide pipe, the exhaust pipe is connected to the lower side of the evaporator, the evaporator is connected to the compressor, the compressor is connected to the condenser, the condenser is connected to the expansion valve, and the expansion valve is connected to the evaporator and the compressor. This design solves the problem that the low-energy gas energy discharged from the original raw coal coke oven is not convenient for recovery. Compared with the prior art, the present invention has a reasonable structure and sufficient waste heat recovery.

[0004] With respect to the above-mentioned related technologies, the applicant believes that coal gas contains a large amount of impurities such as tar and dust, and during the use of the device, dust and impurities are easily retained on the air filter, thereby clogging the through holes inside the air filter, thereby affecting the normal operation of the device. Utility Model Content

[0005] The utility model aims to provide a coke oven raw gas waste heat recovery device to solve the problems of the device proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coke oven raw gas waste heat recovery device, comprising a processing tube body, a gas filter net is arranged below the inside of the processing tube body, a driving motor is arranged below one end of the processing tube body, a screw rod is arranged at the output end of the driving motor, a movable seat is slidingly arranged on the outside of the screw rod, and bristles are evenly arranged on the top of the movable seat.

[0007] By adopting the above technical solution and utilizing the operation of the driving motor, the bristles can be driven to perform reciprocating motion, thereby facilitating the cleaning of dust and impurities adhering to the air filter net.

[0008] Preferably, an air inlet pipe is provided through one end of the processing tube body away from the driving motor, and an air outlet pipe is provided through the top end of the processing tube body.

[0009] By adopting the above technical solution, it is convenient to transport the high-temperature gas into the device.

[0010] Preferably, a material guide plate is provided below the interior of the processing tube body, and a material discharge hole is provided at one end of the material guide plate close to the driving motor.

[0011] By adopting the above technical solution, the cleaned impurities can be easily transported.

[0012] Preferably, a heat collecting network is provided in the middle part of the processing tube body, a capillary copper tube is penetrated through the interior of the heat collecting network, and a water receiving nozzle is provided at one end of the capillary copper tube.

[0013] By adopting the above technical solution, the external cold water source can be heated and then the heated water can be discharged.

[0014] Preferably, a fan is provided above the interior of the processing tube body, and a control switch is provided in the middle portion of one side of the processing tube body.

[0015] By adopting the above technical solution, the gas can be transported to the gas outlet pipe.

[0016] Preferably, an accessory groove is provided below one end of the processing tube body near the driving motor, a collecting box is provided inside the accessory groove, a fixing block is provided above one end of the collecting box away from the material guide plate, a fixing seat is provided above one end of the accessory groove near the collecting box, an insert rod is provided inside the fixing seat, and the insert rod passes through the interior of the fixing block and the fixing seat respectively.

[0017] By adopting the above technical solution, the collection box can be easily removed from the accessory slot by removing the insertion rod, and the dust and impurities collected in the collection box can be processed.

[0018] Preferably, a sealing cover is provided through the interior of the accessory slot, a sealing gasket is provided at one end of the sealing cover close to the collection box, and the accessory slot and the sealing cover are connected by threads.

[0019] By adopting the above technical solution, the sealing performance inside the device can be improved.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. By arranging a collection box, a guide plate, a screw rod, an air filter net, a driving motor, a movable seat and bristles, the driving motor can drive the bristles to reciprocate, thereby facilitating the cleaning of dust and impurities adhering to the air filter net;

[0022] 2. By providing a collection box, an accessory slot, a sealing cover, a fixing block, an insertion rod and a fixing seat, the collection box can be easily removed from the accessory slot by removing the insertion rod, and the dust and impurities collected in the collection box can be processed, which effectively improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall front view structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0026] Figure 4 This is an enlarged structural diagram of the collection box of the utility model;

[0027] Figure 5 For this utility model Figure 4 Enlarged structural diagram at B in the middle.

[0028] In the figure: 1. outlet pipe; 2. treatment pipe body; 3. control switch; 4. air inlet pipe; 5. water nozzle; 6. fan; 7. heat collection network; 8. capillary copper tube; 9. collection box; 10. guide plate; 11. screw rod; 12. air filter net; 13. drive motor; 14. movable seat; 15. bristles; 16. accessory slot; 17. sealing cover; 18. fixing block; 19. plug rod; 20. fixing seat. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 4The utility model provides a technical solution: a coke oven raw gas waste heat recovery device, comprising a processing tube body 2, a gas filter net 12 is arranged at the lower part of the processing tube body 2, the gas filter net 12 adopts an aluminum honeycomb panel with a through-hole structure as a carrier, and an activated carbon layer is sprayed on the surface of the aluminum honeycomb panel to pre-filter the high-temperature gas entering the processing tube body 2, a driving motor 13 is arranged at the lower part of one end of the processing tube body 2, a screw rod 11 is arranged at the output end of the driving motor 13, a movable seat 14 is slidingly arranged on the outer side of the screw rod 11, and bristles 15 are evenly arranged on the top of the movable seat 14, the driving motor 13 can drive the screw rod 11 to rotate, so that the movable seat 14 can reciprocate, and the bristles 15 on the movable seat 14 can be used to conveniently clean the dust and impurities adhered to the gas filter net 12, a guide plate 10 is arranged at the lower part of the processing tube body 2, and a discharge hole is opened at one end of the guide plate 10 close to the driving motor 13, and the cleaned impurities are discharged through the discharge hole on the guide plate 10.

[0031] The end of the processing tube body 2 away from the driving motor 13 is penetrated by an air inlet pipe 4, and the top of the processing tube body 2 is penetrated by an air outlet pipe 1, which is convenient for conveying high-temperature gas. The middle part of the processing tube body 2 is provided with a heat collecting network 7, and the inside of the heat collecting network 7 is penetrated by a capillary copper tube 8. The heat collecting network 7 is made of copper-aluminum alloy, and the inside of the heat collecting network 7 is a sponge-like porous structure. A serpentine air guide groove is opened inside the heat collecting network 7. The high-temperature gas enters the heat collecting network 7 and fully exchanges heat with the heat collecting network 7. After the heat collecting network 7 absorbs heat, it The cold water in the copper tube 8 is heated, and the serpentine air guide groove ensures the smooth flow of gas. A water nozzle 5 is provided at one end of the capillary copper tube 8. The water nozzle 5 is provided with a cold water inlet and a hot water outlet. The cold water inlet is connected to an external water source through a water pipe, and the external cold water source is heated. The heated water is discharged along the hot water outlet; a fan 6 is provided above the inside of the processing tube body 2, which can transport the gas to the outlet pipe 1, and a control switch 3 is provided in the middle part of one side of the processing tube body 2, and the control switch 3 and the fan 6 are electrically connected.

[0032] See also Figure 4 and Figure 5An accessory groove 16 is provided below the end of the processing tube body 2 near the driving motor 13, and a collecting box 9 is arranged inside the accessory groove 16 to facilitate the collection of fallen impurities. A fixing block 18 is arranged above the end of the collecting box 9 away from the guide plate 10, and a fixing seat 20 is arranged above the accessory groove 16 near the end of the collecting box 9. An insertion rod 19 is arranged inside the fixing seat 20, and the insertion rod 19 penetrates the interior of the fixing block 18 and the fixing seat 20 respectively. By removing the insertion rod 19 from the fixing block 18 and the fixing seat 20, the collecting box 9 can be conveniently removed from the inside of the accessory groove 16, and the dust and impurities collected in the collecting box 9 can be processed. A sealing cover 17 is arranged inside the accessory groove 16, and a sealing gasket is arranged on the end of the sealing cover 17 near the collecting box 9, which can improve the sealing performance inside the device. The accessory groove 16 and the sealing cover 17 are connected by threads, which can facilitate the limiting of the sealing cover 17.

[0033] Working principle: First, the hot gas generated by the external waste coal coke oven enters the treatment tube body 2 along the air inlet pipe 4, and is transported to the air filter 12 through the discharge hole on the guide plate 10. The air filter 12 uses a through-hole structure aluminum honeycomb panel as a carrier, and the surface of the aluminum honeycomb panel is sprayed with an activated carbon layer to pre-filter the hot gas entering the treatment tube body 2 to reduce the internal pollution of the treatment tube body 2. Since the heat collection network 7 is made of copper-aluminum alloy, the interior of the heat collection network 7 is a sponge-like porous structure, and the heat collection network 7 is opened inside There is a serpentine air guide groove, and the high-temperature gas enters the heat collecting network 7 to fully exchange heat with the heat collecting network 7. After the heat collecting network 7 absorbs heat, it heats the cold water in the capillary copper tube 8. The serpentine air guide groove ensures the smooth flow of gas. The capillary copper tube 8 is connected to the water receiving nozzle 5. The water receiving nozzle 5 is provided with a cold water inlet and a hot water outlet. The cold water inlet is connected to the external water source through a water pipe to heat the external cold water source. The heated water is discharged along the hot water outlet. After passing through the heat collecting network 7, the high-temperature gas is conducted to the outlet pipe 1 through the fan 6;

[0034] Secondly, the driving motor 13 can drive the screw rod 11 to rotate, so that the movable seat 14 can reciprocate, and the bristles 15 on the movable seat 14 can be used to clean the dust and impurities adhering to the air filter 12, and the cleaned impurities fall into the collection box 9 along the guide plate 10;

[0035] Finally, the sealing cover 17 can be removed by rotating the sealing cover 17, and then the insertion rod 19 can be moved out from the fixing block 18 and the fixing seat 20, so that the collection box 9 can be conveniently moved out from the accessory slot 16, and the dust and impurities collected in the collection box 9 can be processed, which effectively improves the practicality of the device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coke oven waste gas waste heat recovery device, comprising a treatment tube body (2), characterized in that: An air filter net (12) is arranged below the interior of the treatment tube body (2), a driving motor (13) is arranged below one end of the treatment tube body (2), a screw rod (11) is arranged at the output end of the driving motor (13), a movable seat (14) is slidably arranged outside the screw rod (11), and bristles (15) are evenly arranged on the top of the movable seat (14), a heat collection net (7) is arranged in the middle part of the interior of the treatment tube body (2), a capillary copper tube (8) is arranged through the interior of the heat collection net (7), a water receiving nozzle (5) is arranged at one end of the capillary copper tube (8), a fan (6) is arranged above the interior of the treatment tube body (2), a control switch (3) is arranged in the middle part of one side of the treatment tube body (2), and the treatment tube body ( 2) An accessory groove (16) is provided below one end of the driving motor (13), a collecting box (9) is provided inside the accessory groove (16), a fixing block (18) is provided above one end of the collecting box (9) away from the material guide plate (10), a fixing seat (20) is provided inside the accessory groove (16) above one end of the collecting box (9), an insert rod (19) is provided inside the fixing seat (20), the insert rod (19) respectively passes through the inside of the fixing block (18) and the fixing seat (20), a sealing cover (17) is provided inside the accessory groove (16), a sealing gasket is provided on one end of the sealing cover (17) near the collecting box (9), and the accessory groove (16) and the sealing cover (17) are connected by threads.

2. The coke oven waste gas waste heat recovery device according to claim 1, characterized in that: An air inlet pipe (4) is provided through one end of the processing tube body (2) away from the driving motor (13), and an air outlet pipe (1) is provided through the top end of the processing tube body (2).

3. The coke oven waste gas waste heat recovery device according to claim 1, characterized in that: A material guide plate (10) is arranged below the interior of the processing tube body (2), and a material discharge hole is provided at one end of the material guide plate (10) close to the driving motor (13).

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