Flue gas drying equipment for papermaking sludge treatment

Abstract

The utility model relates to the field of flue gas drying, in particular to flue gas drying equipment for papermaking sludge treatment, and provides the following scheme aiming at the defects that in the prior art, the treatment speed of harmful substances in flue gas is low, the working efficiency is influenced, secondary treatment cannot be performed on the flue gas, and the treatment effect is poor: the flue gas drying equipment comprises a shell; the supporting legs are fixedly connected to the bottom of the shell, and the number of the supporting legs is four; the number of the base plates is four, and the four base plates are fixedly connected with the four supporting legs; the fixed plate is fixedly connected to the exterior of the shell; the pump body is fixedly connected to the top of the fixed plate; the exhaust pipe is fixedly connected to the bottom of the shell, fusion of adsorption liquid and flue gas can be accelerated, so that adsorption and decomposition of the adsorption liquid on substances in the flue gas are accelerated, the working efficiency is improved, the adsorption liquid can be secondarily utilized, the purified flue gas can be secondarily purified, and the treatment effect is improved.

Description

Technical Field

[0001] This application relates to the field of flue gas drying, and in particular to a flue gas drying device for papermaking sludge treatment. Background Technology

[0002] Apart from some of the sludge being comprehensively utilized, the rest is disposed of through sanitary landfill, requiring the landfilling of more than 70 acres of land annually. This not only wastes land resources but also generates secondary pollution. Papermaking sludge is a type of biological solid waste, containing not only a large amount of cellulose organic matter and plant nutrients such as nitrogen, phosphorus, and potassium, but also trace amounts of heavy metals and pathogens.

[0003] Patent document CN11423013A discloses a flue gas drying device for papermaking sludge treatment, comprising a shell, a first drying chamber installed at the top of the shell, a condenser installed on the upper left side of the first drying chamber, the right end of the condenser connected to an evaporator, a sludge pipe connected to the top left end of the first drying chamber, a stirring shell installed on the right side inside the shell, a second drying chamber installed at the bottom inside the shell, a granulation roller installed on the left side of the bottom inside the shell, and a connecting chamber connected to the right end of the first drying chamber via a valve, the bottom end of the connecting chamber connected to the right side of the top of the stirring shell. This invention uses a segmented process to treat papermaking sludge, which is beneficial for treating harmful substances in the papermaking sludge during the drying process, while avoiding the leakage of harmful gases. It also improves the cohesiveness of the papermaking sludge after fertilizer production, facilitating uniform application of the fertilizer and improving its practicality.

[0004] However, the aforementioned flue gas drying equipment for papermaking sludge treatment is slow in processing harmful substances in the flue gas, affecting work efficiency, and cannot perform secondary treatment of the flue gas, resulting in poor treatment effect. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as slow processing speed of harmful substances in flue gas, which affects work efficiency, inability to perform secondary treatment of flue gas, and poor treatment effect. Therefore, this invention proposes a flue gas drying device for papermaking sludge treatment.

[0006] The technical solution of the flue gas drying equipment for papermaking sludge treatment provided in this application is as follows:

[0007] A flue gas drying device for papermaking sludge treatment includes:

[0008] case;

[0009] The support legs are fixedly connected to the bottom of the housing, and four support legs are provided;

[0010] The pads are provided in four parts, and the four pads are fixedly connected to the four support legs.

[0011] A fixing plate is fixedly connected to the outside of the housing;

[0012] The pump body is fixedly connected to the top of the fixed plate;

[0013] An exhaust pipe is fixedly connected to the bottom of the housing;

[0014] The processing mechanism is fixedly connected to the outside of the housing.

[0015] Furthermore, the processing mechanism includes a straight plate fixedly connected to the outside of the housing, and a motor fixedly connected to the top of the straight plate. Two rotating rods are rotatably connected inside the housing, and a rotating shaft is rotatably connected inside the housing. One end of the rotating shaft and one of the two rotating rods is fixedly connected to a first sprocket, and one end of the two first sprockets is drivenly connected to the same first chain.

[0016] Furthermore, one end of the rotating shaft is fixedly connected to a plurality of stirring rods, and a rack is slidably connected to the top of the housing, and a connecting rod is fixedly connected to the top of the rack, and a baffle is fixedly connected to one end of the connecting rod.

[0017] Furthermore, a protective net is fixedly connected inside the exhaust pipe, and a first conveying pipe is fixedly connected inside the housing. Multiple connecting pipes are fixedly connected to the bottom of the first conveying pipe, and nozzles are fixedly connected to the bottom of each of the multiple connecting pipes.

[0018] Furthermore, a pipe is fixedly connected to the bottom of the housing, and a fixed sleeve is fixedly connected to one end of the pipe, and a valve is fixedly connected to one end of the pipe, with the valve and the fixed sleeve connected together.

[0019] Furthermore, a connecting pipe is fixedly connected to the outside of the housing, and the connecting pipe is fixedly connected to the first delivery pipe and the output end of the pump body.

[0020] Furthermore, a fixing block is fixedly connected to the outside of the housing, and the fixing block is fixedly connected to the connecting pipe. A second sprocket is fixedly connected to one end of each of the two rotating rods, and the same second chain is driven through the two second sprockets.

[0021] Furthermore, multiple straight teeth are fixedly connected to the second chain, and the multiple straight teeth mesh with the rack. A second delivery pipe is fixedly connected to the other output end of the pump body, and the second delivery pipe is fixedly connected to the housing. An inlet pipe is fixedly connected to one side of the housing.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. By setting up a stirring rod, the fusion of adsorption liquid and flue gas can be accelerated, thereby accelerating the adsorption and decomposition of substances in flue gas by the adsorption liquid, thus improving working efficiency. Furthermore, the adsorption liquid can be reused to perform secondary purification on the purified flue gas, thereby improving the treatment effect.

[0024] 2. When it is necessary to accelerate the adsorption and decomposition of substances in flue gas, the motor is started. The output end of the motor drives the corresponding rotating rod to rotate. The rotating rod drives the rotating shaft on another first sprocket to rotate through the first sprocket and the first chain. The rotating shaft drives the stirring rod to rotate, stirring the adsorption liquid in the shell, so that the flue gas and the adsorption liquid are fully mixed, thereby allowing the harmful substances in the flue gas to be adsorbed and decomposed by the adsorption liquid. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a flue gas drying device for papermaking sludge treatment according to Embodiment 1 of this application;

[0026] Figure 2 This is a flue gas drying device for papermaking sludge treatment, as described in Embodiment 1 of this application. Figure 1 An enlarged 3D structural diagram of part A in the middle;

[0027] Figure 3 This is a three-dimensional structural diagram of a flue gas drying device for papermaking sludge treatment according to Embodiment 1 of this application.

[0028] Reference numerals: 1. Shell; 2. Support leg; 3. Pad; 4. Fixing plate; 5. Pump body; 6. Fixing block; 7. Exhaust pipe; 8. Protective net; 9. Pipe; 10. Fixing sleeve; 11. Valve; 12. First conveying pipe; 13. Connecting pipe; 14. Nozzle; 15. Connecting pipe; 16. Rotating shaft; 17. Stirring rod; 18. Straight plate; 19. Motor; 20. Rotating rod; 21. Second sprocket; 22. Second chain; 23. Rack; 24. First sprocket. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] Example 1

[0031] Reference Figures 1-3 A flue gas drying device for papermaking sludge treatment, comprising:

[0032] Casing 1;

[0033] Support legs 2 are fixedly connected to the bottom of housing 1, and four support legs 2 are provided;

[0034] Pad 3, four pads 3 are provided, and the four pads 3 are fixedly connected to the four support legs 2;

[0035] The fixing plate 4 is fixedly connected to the outside of the housing 1;

[0036] Pump body 5 is fixedly connected to the top of fixed plate 4;

[0037] The exhaust pipe 7 is fixedly connected to the bottom of the housing 1;

[0038] The processing mechanism is fixedly connected to the outside of the housing 1.

[0039] Specifically, the processing mechanism includes a straight plate 18 fixedly connected to the outside of the housing 1, a motor 19 fixedly connected to the top of the straight plate 18, two rotating rods 20 rotatably connected inside the housing 1, a rotating shaft 16 rotatably connected inside the housing 1, and a first sprocket 24 fixedly connected to one end of the rotating shaft 16 and one of the two rotating rods 20, and the same first chain drivingly connected to one end of the two first sprockets 24.

[0040] Specifically, one end of the rotating shaft 16 is fixedly connected to a plurality of stirring rods 17, and the top of the housing 1 is slidably connected to a rack 23, and the top of the rack 23 is fixedly connected to a connecting rod, and one end of the connecting rod is fixedly connected to a baffle.

[0041] Specifically, a protective net 8 is fixedly connected inside the exhaust pipe 7, and a first delivery pipe 12 is fixedly connected inside the housing 1. Multiple connecting pipes 13 are fixedly connected to the bottom of the first delivery pipe 12, and nozzles 14 are fixedly connected to the bottom of each of the multiple connecting pipes 13.

[0042] Specifically, a pipe 9 is fixedly connected to the bottom of the housing 1, and a fixing sleeve 10 is fixedly connected to one end of the pipe 9. A valve 11 is fixedly connected to one end of the pipe 9, and the valve 11 is connected to the fixing sleeve 10.

[0043] Specifically, the outer side of the housing 1 is fixedly connected to a connecting pipe 15, and the connecting pipe 15 is fixedly connected to the first delivery pipe 12, and the connecting pipe 15 is fixedly connected to the output end of the pump body 5.

[0044] Specifically, a fixing block 6 is fixedly connected to the outside of the housing 1, and the fixing block 6 is fixedly connected to the connecting pipe 15. A second sprocket 21 is fixedly connected to one end of each of the two rotating rods 20, and the same second chain 22 is driven on the two second sprockets 21.

[0045] Specifically, multiple straight teeth are fixedly connected to the second chain 22, and the multiple straight teeth mesh with the rack 23. A second delivery pipe is fixedly connected to the other output end of the pump body 5, and the second delivery pipe is fixedly connected to the housing 1. An inlet pipe is fixedly connected to one side of the housing 1.

[0046] The implementation principle of the flue gas drying device for papermaking sludge treatment in this embodiment is as follows: When the device is needed, firstly, adsorbent liquid is injected into the interior of the shell 1 through the inlet pipe. Then, flue gas enters the interior of the shell 1 through the flue gas delivery pipe, making it contact with the adsorbent liquid inside the shell 1. Then, the motor 19 is started. The output end of the motor 19 drives the corresponding rotating rod 20 to rotate. The rotating rod 20 drives the rotating shaft 16 on another first sprocket 24 to rotate through the first sprocket 24 and the first chain. The rotating shaft 16 drives the stirring rod 17 to rotate, thus drying the shell sludge. The adsorbent liquid inside the body 1 is stirred to fully mix the flue gas with the adsorbent liquid, thereby allowing the harmful substances in the flue gas to be adsorbed and decomposed by the adsorbent liquid. Then, the pump body 5 is started, and the adsorbent liquid inside the body 1 is drawn in through the second liquid delivery pipe. Then, the adsorbent liquid is transported to the first delivery pipe 12 through the connecting pipe 15 on the other side of the pump body 5. Then, it is transported to multiple sets of nozzles 14 through the first delivery pipe 12. Then, it is sprayed out through multiple sets of nozzles 14 to further adsorb the particles in the rising gas. Finally, the purified gas is discharged through the exhaust pipe 7.

[0047] Example 2

[0048] The difference between this embodiment and embodiment one is that a roller is fixedly connected to the bottom of the support leg 2. When the device needs to be moved, the device is pushed to make the roller at the bottom of the device rotate. The rotating roller drives the support leg 2 to move, thereby moving the device through the support leg 2 to complete the change of the device's position.

[0049] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A flue gas drying device for papermaking sludge treatment, characterized in that: include: Shell (1); Support legs (2) are fixedly connected to the bottom of the housing (1), and four support legs (2) are provided; Pad (3), four pads (3) are provided, and the four pads (3) and four legs (2) are fixedly connected; A fixing plate (4) is fixedly connected to the outside of the housing (1); The pump body (5) is fixedly connected to the top of the fixing plate (4); An exhaust pipe (7) is fixedly connected to the bottom of the housing (1); The processing mechanism is fixedly connected to the outside of the housing (1).

2. The flue gas drying equipment for papermaking sludge treatment according to claim 1, characterized in that: The processing mechanism includes a straight plate (18) fixedly connected to the outside of the housing (1), and a motor (19) fixedly connected to the top of the straight plate (18). Two rotating rods (20) are rotatably connected inside the housing (1), and a rotating shaft (16) is rotatably connected inside the housing (1). One end of the rotating shaft (16) and one of the two rotating rods (20) is fixedly connected to a first sprocket (24), and one end of the two first sprockets (24) is driven by the same first chain.

3. The flue gas drying equipment for papermaking sludge treatment according to claim 2, characterized in that: One end of the rotating shaft (16) is fixedly connected to a plurality of stirring rods (17), and a rack (23) is slidably connected to the top of the housing (1), and a connecting rod is fixedly connected to the top of the rack (23), and a baffle is fixedly connected to one end of the connecting rod.

4. The flue gas drying equipment for papermaking sludge treatment according to claim 3, characterized in that: The exhaust pipe (7) is fixedly connected to a protective net (8), and the housing (1) is fixedly connected to a first conveying pipe (12). The bottom of the first conveying pipe (12) is fixedly connected to multiple connecting pipes (13), and the bottom of each of the multiple connecting pipes (13) is fixedly connected to a nozzle (14).

5. The flue gas drying equipment for papermaking sludge treatment according to claim 4, characterized in that: The bottom of the housing (1) is fixedly connected to a pipe (9), and one end of the pipe (9) is fixedly connected to a fixing sleeve (10), and one end of the pipe (9) is fixedly connected to a valve (11), and the valve (11) and the fixing sleeve (10) are connected.

6. The flue gas drying equipment for papermaking sludge treatment according to claim 5, characterized in that: The outer side of the housing (1) is fixedly connected to a connecting pipe (15), and the connecting pipe (15) is fixedly connected to the first conveying pipe (12), and the connecting pipe (15) is fixedly connected to the output end of the pump body (5).

7. The flue gas drying equipment for papermaking sludge treatment according to claim 6, characterized in that: The outer side of the housing (1) is fixedly connected to a fixing block (6), and the fixing block (6) is fixedly connected to the connecting pipe (15). One end of each of the two rotating rods (20) is fixedly connected to a second sprocket (21), and the two second sprockets (21) are connected to the same second chain (22) for transmission.

8. The flue gas drying equipment for papermaking sludge treatment according to claim 7, characterized in that: The second chain (22) is fixedly connected with multiple straight teeth, and the multiple straight teeth mesh with the rack (23). The other output end of the pump body (5) is fixedly connected with a second delivery pipe, and the second delivery pipe is fixedly connected to the housing (1). The housing (1) is fixedly connected with an inlet pipe on one side.

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