CN213434099U

CN213434099U - Mixing preheating device for high-pressure thermal cracking treatment of sludge

Info

Publication number: CN213434099U
Application number: CN202022336808.0U
Authority: CN
Inventors: 徐德成; 陈鹏
Original assignee: Henan Zhongzhong Environmental Protection Equipment Co ltd
Current assignee: Henan Zhongzhong Environmental Protection Equipment Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-15
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a sludge treatment technical field, specifically speaking relates to a mixing preheating device is used in thermal cracking treatment of mud high pressure, including the processing jar, be equipped with steam heating device in the processing jar, steam heating device includes the ring pipe, and the bottom rule of ring pipe is equipped with a plurality of exhaust and divides the pipe, and the person in charge rear end that admits air of ring pipe is connected with two intake pipes along separate routes through Y type connecting pipe, still is equipped with the stirring subassembly in the processing jar, and the stirring subassembly includes the main shaft, and the stirring leaf outside of main shaft is equipped with edge stirring spare, and the outer end of arranging the material pipe of processing jar bottom is connected. The mixing preheating device for the high-pressure thermal cracking treatment of the sludge can increase the contact area between steam and the sludge, prolong the contact time and improve the heating efficiency, and can simultaneously utilize the heat energy of a boiler and backflow steam, thereby saving energy, ensuring the preheating effect and improving the energy efficiency ratio; in addition, the efficiency of sludge mixing can be improved, the comprehensiveness and uniformity of sludge mixing are ensured, and the time consumption of pretreatment is shortened.

Description

Mixing preheating device for high-pressure thermal cracking treatment of sludge

Technical Field

The utility model relates to a sludge treatment technical field, specifically speaking relates to a mixing preheating device is used in mud high pressure thermal cracking treatment.

Background

Before the high-pressure thermal cracking treatment of the sludge, the sludge generally needs to be uniformly preheated so as to improve the working efficiency of subsequent treatment. However, in this treatment process flow at present, the device that preheats mud simple structure, can't be fast and preheat the mud mixing uniformly, and wherein be close to the unable rapid heating of the mud of treatment tank inside wall department, lead to preheating the effect to reduce, simultaneously, preheat the in-process, need consume a large amount of energy and heat mud, if the steam of direct boiler production can consume a large amount of energy, if the backward flow steam that produces in the high-pressure thermal cracking technology of complete use, then probably there is heat energy not enough to support the required condition of preheating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixing preheating device for mud high pressure thermal cracking to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mixing preheating device for high-pressure thermal cracking treatment of sludge comprises a treatment tank, wherein the treatment tank comprises a main tank body, one side of the top end of the main tank body is fixedly clamped with an inlet pipe, a liquid level meter and a thermometer are sequentially arranged under the inlet pipe from top to bottom, a discharge pipe is fixedly connected with the bottom end of the main tank body, a steam heating device is arranged in the treatment tank and comprises a circular ring pipe, a plurality of exhaust branch pipes are arranged on the bottom end rule of the circular ring pipe, an air inlet main pipe is fixedly welded on the outer side wall of the circular ring pipe, the rear end of the air inlet main pipe is connected with two branch air inlet pipes through a Y-shaped connecting pipe, a stirring assembly is further arranged in the treatment tank and comprises a main shaft, a plurality of stirring blades are equidistantly sleeved on the main shaft, an edge stirring piece is arranged on the outer side of each stirring blade, the outer end of the discharge pipe is connected with a slurry circulating pump.

Preferably, a tank cover is hermetically fitted to a top end of the main tank, a probe of the level gauge extends into the main tank, and a probe of the thermometer extends into the main tank.

Preferably, the ring pipe passes through the clamp to be fixed on the inside wall of the main tank body, the ring pipe is located the below department of thermometer.

Preferably, the top end of the exhaust branch pipe is communicated with the circular ring pipe, the bottom end of the exhaust branch pipe extends to the bottom end of the main tank body, and the exhaust branch pipe is not in contact with the bottom surface of the main tank body.

Preferably, the main air inlet pipe penetrates through the side wall of the main tank body and then extends to the outer side of the treatment tank, a flowmeter is arranged at one end, close to the Y-shaped connecting pipe, of the main air inlet pipe, and an electromagnetic valve is arranged at one end, close to the Y-shaped connecting pipe, of the branch air inlet pipe.

Preferably, the edge stirring part comprises two lantern rings, a plurality of transverse plates are regularly welded and fixed on the outer sides of the lantern rings, a vertical rod is welded and fixed between the two transverse plates corresponding to the upper position and the lower position, and a plurality of rotating blades are rotatably sleeved on the vertical rod.

Preferably, the vertical rod is not in contact with the stirring blade, and the vertical rod is not in contact with the steam heating device.

Preferably, the positions of the rotating blades and the stirring blades on a vertical line are distributed in a staggered manner, and the rotating blades are not in contact with the exhaust branch pipe.

Preferably, the motor is fixed on the tank cover through a bolt, and the top end of the spindle penetrates through the tank cover and then is connected with an output shaft of the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the mixing preheating device for the high-pressure thermal cracking treatment of the sludge can quickly and uniformly discharge steam into the sludge by arranging the circular ring pipe with the plurality of exhaust branch pipes, the steam is discharged from the bottom of the sludge, the contact area of the steam and the sludge can be increased, the contact time is prolonged, the heating efficiency is improved, two branch air inlet pipes are connected outside the circular ring pipe, the heat energy and the backflow steam of a boiler can be simultaneously utilized, the energy is saved, the preheating effect is ensured, and the energy efficiency ratio is improved;

2. this mixing preheating device for high-pressure thermal cracking of mud has the stirring subassembly of edge stirring piece through the setting, can stir the mud that is close to treatment tank inner wall department, improves the efficiency of mud mixing, guarantees the comprehensive and the degree of consistency that mud mixes, shortens consuming time of preliminary treatment.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

FIG. 2 is a schematic view of a partial half-section structure of the utility model;

FIG. 3 is a schematic view of a partial half-section structure of the utility model;

FIG. 4 is a schematic view of a partial half-section structure of a treatment tank of the utility model;

FIG. 5 is a schematic structural view of a steam heating device of the utility model;

FIG. 6 is a schematic structural view of a stirring assembly of the utility model;

fig. 7 is a partial split structure diagram of the stirring assembly in the utility model.

In the figure:

1. a treatment tank; 11. a main tank body; 12. a can lid; 13. a feed pipe; 14. a liquid level meter; 15. a thermometer; 16. a discharge pipe;

2. a steam heating device; 21. a circular ring tube; 22. exhaust branch pipe; 23. a main air inlet pipe; 24. a flow meter; 25. a Y-shaped connecting pipe; 26. a branch air inlet pipe; 27. an electromagnetic valve;

3. a stirring assembly; 31. a main shaft; 32. stirring blades; 33. an edge stirring member; 331. a collar; 332. a transverse plate; 333. a vertical rod; 334. rotating the leaf; 34. a motor;

4. a slurry circulating pump.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "intermediate," "lateral," "upper," "lower," "vertical," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a mud high pressure thermal cracking is mixing preheating device for processing, includes treatment tank 1, and treatment tank 1 includes the main jar of body 11, and the fixed joint in top one side of the main jar of body 11 has inlet pipe 13, is equipped with level gauge 14 and thermometer 15 from last to down in proper order under the inlet pipe 13, and the bottom joint of the main jar of body 11 is fixed with row material pipe 16.

In this embodiment, the top end of the main tank 11 is hermetically fitted with a tank cover 12, and the tank cover 12 can be opened to facilitate cleaning and maintenance of the treatment tank 1.

Furthermore, the probe of the liquid level meter 14 extends into the main tank 11, so that the sludge infused in the main tank 11 can be detected conveniently, and the sludge is prevented from being excessively back infused from the feeding pipe 13.

Further, the probe of the thermometer 15 extends into the main tank 11, so as to detect the preheating degree of the sludge.

In this embodiment, be equipped with steam heating device 2 in the processing jar 1, steam heating device 2 includes ring pipe 21, and the bottom rule of ring pipe 21 is equipped with a plurality of exhausts and divides pipe 22, and welded fastening has the main pipe 23 that admits air on the lateral wall of ring pipe 21, and the rear end that admits air the main pipe 23 is connected with two intake pipes 26 along separate routes through Y type connecting pipe 25.

In this embodiment, the ring pipe 21 is fixed on the inside wall of the main tank body 11 through the clamp, so that the ring pipe 21 is firm.

Further, the circular ring pipe 21 is positioned below the thermometer 15, so that the circular ring pipe 21 can be completely submerged by sludge, and the circular ring pipe 21 can also preheat the sludge by heating when steam is input, thereby fully utilizing heat energy.

Furthermore, the top end of the exhaust branch pipe 22 is communicated with the circular ring pipe 21, the bottom end of the exhaust branch pipe 22 extends to the bottom end of the main tank body 11, when steam is introduced, the steam is discharged from the bottom of the main tank body 11 and continuously moves upwards, and can be fully contacted with sludge to heat the sludge.

Specifically, the exhaust branch pipe 22 is not in contact with the bottom surface of the main tank 11, and the exhaust branch pipe 11 is prevented from being blocked.

Wherein, in order to increase the contact area between the steam and the sludge, the exhaust branch pipe 22 can be provided with a plurality of exhaust holes.

Further, the main gas inlet pipe 23 passes through the side wall of the main tank 11 and then extends to the outside of the treatment tank 1, and a flow meter 24 is arranged at one end of the main gas inlet pipe 23 close to the Y-shaped connecting pipe 25, so that the input amount of the steam can be monitored in real time, and the input source and the input amount of the steam can be adjusted in time.

Furthermore, an electromagnetic valve 27 is disposed at one end of the branch air inlet pipe 26 close to the Y-shaped connecting pipe 25, so as to control whether the branch air inlet pipe 26 is on or off.

Specifically, one of the branch inlet pipes 26 is connected to a steam generating device, such as a boiler; and the other branch air inlet pipe 26 is connected to a subsequent sludge high-pressure thermal cracking treatment device, so that the reflux steam of the high-pressure thermal cracking process can be recycled conveniently.

The electromagnetic valve 27 on the branch air inlet pipe 26 for delivering the reflux steam of the high-pressure thermal cracking process is in a normally open state, and when the flowmeter 24 detects that the steam flow is insufficient, the electromagnetic valve 27 on the other branch air inlet pipe 26 is opened, so that the introduction amount of the steam is increased to ensure the effect of sludge preheating.

In this embodiment, still be equipped with stirring subassembly 3 in the treatment tank 1, stirring subassembly 3 includes main shaft 31, and equidistant cover is equipped with a plurality of stirring leaves 32 on main shaft 31, and the outside of stirring leaf 32 is equipped with marginal stirring piece 33, and the top of main shaft 31 is equipped with motor 34.

Further, the edge stirring member 33 includes two collars 331, a plurality of horizontal plates 332 are welded and fixed to the outer sides of the collars 331 regularly, a vertical rod 333 is welded and fixed between the two horizontal plates 332 corresponding to the upper and lower positions, and a plurality of rotating blades 334 are rotatably sleeved on the vertical rod 333.

Specifically, the vertical rod 333 is not in contact with the stirring blade 32, and the vertical rod 333 is not in contact with the steam heating device 2, so that the edge stirring piece 33 is prevented from colliding with the circular ring pipe 21 or the exhaust branch pipe 22 during stirring.

In this embodiment, the rotating blades 334 and the stirring blades 32 are distributed in a staggered manner on the vertical line, so that the rotating blades 334 and the stirring blades 32 do not collide with each other.

Specifically, the rotary vane 334 is not in contact with the exhaust branch pipe 22, so that the exhaust branch pipe 22 is prevented from being damaged by the rotary vane 334 in the rotation process.

Further, the motor 34 is fixed on the tank cover 12 through a bolt, the top end of the main shaft 31 penetrates through the tank cover 12 and then is connected with an output shaft of the motor 34, so that the motor 34 is firm and firm, and the main shaft 31 is driven by the motor 34 to drive the stirring blades 32 and the edge stirring piece 33 to rotate so as to realize the stirring and uniformly mixing process of the sludge.

Specifically, in the rotating process of the edge stirring piece 33, the transverse plate 332 performs rotary cutting stirring on the sludge at the upper end and the lower end which cannot be contacted with the stirring blade 32, the vertical rod 333 performs stirring on the sludge at the outer side of the stirring blade 32 close to the inner side wall of the main tank 22, in the process, the rotary blade 334 collides with the sludge, the stirred sludge is impacted and rotated, the sludge is further stirred finely, and the sludge blending efficiency is improved.

In this embodiment, the outer end of the discharge pipe 16 is connected to a slurry circulation pump 4.

Further, arrange material pipe 16 and be connected to mud circulating pump 4 on the inlet end, the exit end of mud circulating pump 4 communicates through the pipeline on the mud high pressure thermal cracking processing apparatus, and mud circulating pump 4 can further stir the mixing operation to mud at the in-process of transporting mud.

In addition, in this embodiment, a controller should be further disposed outside the treatment tank 1, the operation principle of the controller is as well known to those skilled in the art, and details are not described herein, and the liquid level meter 14, the thermometer 15, the flow meter 24, the electromagnetic valve 27, the motor 34, and the slurry circulation pump 4 are all connected to the controller, and the whole process of mixing and preheating the sludge by the apparatus is automatically controlled by the controller.

When the mixing preheating device for high-pressure thermal cracking treatment of sludge of the utility model is used, firstly, sludge is introduced through the inlet pipe 13, and simultaneously, steam is introduced through the steam heating device 2, so that the sludge is prevented from blocking the exhaust branch pipe 22, then the motor 34 is started to make the stirring component 3 run to stir the sludge and uniformly heat the sludge, when the sludge liquid level contacts the liquid level meter 14, the sludge infusion is stopped, and during the steam input process, if the flow meter 24 detects that the steam quantity is insufficient, the solenoid valves 27 of the two branch inlet pipes 26 are opened, if the flow meter 24 detects that the steam quantity is excessive, the solenoid valves 27 of the branch inlet pipes 26 connected with the boiler are closed to save energy, and then when the temperature of the sludge reaches the preheating requirement detected by the thermometer 15, stopping stirring, and finally opening the sludge circulating pump 4 to convey the sludge into the sludge high-pressure thermal cracking treatment device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mud high pressure thermal cracking is mixing preheating device for processing which characterized in that: including handling jar (1), it includes the main jar of body (11) to handle jar (1), the top one side fixing clip of the main jar of body (11) has inlet pipe (13), be equipped with level gauge (14) and thermometer (15) to last down in proper order under inlet pipe (13) from last, the bottom joint of the main jar of body (11) is fixed with row material pipe (16), be equipped with steam heating device (2) in handling jar (1), steam heating device (2) include ring pipe (21), the bottom rule of ring pipe (21) is equipped with a plurality of exhaust branch pipes (22), welded fastening has the person in charge of (23) of admitting air on the lateral wall of ring pipe (21), the rear end of the person in charge of admitting air (23) is connected with two branch intake pipe (26) through Y type connecting pipe (25), still be equipped with stirring subassembly (3) in handling jar (1), stirring subassembly (3) include main shaft (31), equidistant cover is equipped with a plurality of stirring leaves (32) on main shaft (31), the outside of stirring leaf (32) is equipped with edge stirring spare (33), the top of main shaft (31) is equipped with motor (34), the outer end of arranging material pipe (16) is connected with mud circulating pump (4).

2. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 1, which is characterized in that: the top end of the main tank body (11) is hermetically assembled with a tank cover (12), the probe of the liquid level meter (14) extends into the main tank body (11), and the probe of the thermometer (15) extends into the main tank body (11).

3. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 1, which is characterized in that: the utility model discloses a thermometer, including the main tank body (11), the inside wall of the main tank body is located the thermometer, the ring tube (21) are fixed through the clamp on the inside wall of the main tank body (11), ring tube (21) are located the below department of thermometer (15).

4. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 1, which is characterized in that: the top end of the exhaust branch pipe (22) is communicated into the circular ring pipe (21), the bottom end of the exhaust branch pipe (22) extends to the bottom end of the main tank body (11), and the exhaust branch pipe (22) is not in contact with the bottom surface of the main tank body (11).

5. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 1, which is characterized in that: the main pipe (23) that admits air passes extend to the outside of handling jar (1) behind the lateral wall of the main tank body (11), the main pipe (23) that admits air is close to the one end of Y type connecting pipe (25) is equipped with flowmeter (24), along separate routes intake pipe (26) are close to the one end of Y type connecting pipe (25) is equipped with solenoid valve (27).

6. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 1, which is characterized in that: the edge stirring piece (33) comprises two lantern rings (331), a plurality of transverse plates (332) are regularly welded and fixed on the outer sides of the lantern rings (331), vertical rods (333) are welded and fixed between the transverse plates (332) and correspond to the upper and lower positions, and a plurality of rotating blades (334) are rotatably sleeved on the vertical rods (333).

7. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 6, which is characterized in that: the vertical rod (333) is not in contact with the stirring blade (32), and the vertical rod (333) is not in contact with the steam heating device (2).

8. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 7, which is characterized in that: the rotary blades (334) and the stirring blades (32) are distributed in a staggered mode on the vertical line, and the rotary blades (334) are not in contact with the exhaust branch pipe (22).

9. The mixing preheating device for high-pressure thermal cracking treatment of sludge according to claim 2, which is characterized in that: the motor (34) is fixed on the tank cover (12) through a bolt, and the top end of the spindle (31) penetrates through the tank cover (12) and then is connected with an output shaft of the motor (34).