Carbon monoxide washing water purification device for preparation of calcined petroleum coke

Abstract

The utility model discloses a carbon monoxide washing water purification device for preparation of calcined petroleum coke, which comprises a sewage pool and reciprocating track assemblies, partition plates are arranged on the inner side of the sewage pool in a staggered manner, and the reciprocating track assemblies are laid on the outer sides of the multiple groups of partition plates and at the bottom end in the sewage pool. The reciprocating running track assembly comprises an S-shaped track, side sliding grooves, a mounting panel and a rack groove, and the side sliding grooves are formed in the two sides of the S-shaped track. According to the carbon monoxide washing water purification device for preparing the calcined petroleum coke, through mutual cooperation of flocculation, sedimentation and filter pressing mechanisms, the flocculation and sedimentation effects of ash in washing water are improved, the turbidity of the treated washing water is reduced, the water content of a filter cake passing through a filter press is reduced, the functionality is high, and after the ash in the washing water is flocculated and settled, the water content of the filter cake is reduced. And finally, harmless treatment is carried out, so that the purpose of purifying the washing water is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum coke production, in particular to a carbon monoxide washing water purification device for calcined petroleum coke production. Background Art

[0002] At present, petroleum coke is mainly used for prebaked anode and anode paste used in electrolytic aluminum, carbon industry production of carbon enhancer, graphite electrode, smelting industrial silicon and fuel, etc. Calcined petroleum coke can also be used to burn to produce carbon monoxide gas, but the carbon monoxide gas mainly contains ash from the combustion of calcined petroleum coke. After the carbon monoxide gas is washed in a water washing tower, the ash is washed and dissolved in water, resulting in turbid water quality and cannot be recycled.

[0003] The existing washing water treatment device uses the more common primary sedimentation, which can only simply settle to remove larger particles in the washing water, and then transport them to the filter press through a pump to form a concentrated liquid for harmless treatment. However, the existing technology has the following disadvantages and shortcomings:

[0004] 1. The ash in the washing water is naturally settled, but the ash removal efficiency is low, and the moisture content of the filter cake after filter pressing exceeds the standard;

[0005] 2. The turbidity of the washing water exceeds the standard after treatment, blocking the distribution nozzle of the washing tower;

[0006] 3. Washing water needs to be replaced regularly, resulting in a large waste of water resources. Utility Model Content

[0007] The purpose of the utility model is to provide a carbon monoxide washing water purification device for calcined petroleum coke production to solve the problems of the above-mentioned existing washing water treatment devices proposed in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon monoxide washing water purification device for calcined petroleum coke production, comprising a sewage pool and a reciprocating track assembly, wherein partition plates are staggeredly arranged on the inner side of the sewage pool, and reciprocating track assemblies are laid on the outer sides of multiple groups of the partition plates and the bottom of the sewage pool, wherein the reciprocating track assembly comprises an S-shaped track, a side slide groove, a mounting panel and a rack groove, wherein side slide grooves are opened on both sides of the S-shaped track, and a mounting panel is embedded and installed at the bottom of the S-shaped track, and a rack groove is opened on the top of the S-shaped track, and a water pump is installed on one side of the outer side of the sewage pool;

[0009] A driving motor is installed on the upper part of the reciprocating track assembly, a driving rotating rod is installed at the bottom of the driving motor, and a transverse bevel gear is installed at the bottom of the driving rotating rod, and a vertical bevel gear is vertically meshed with the bottom of the transverse bevel gear, and a gear box is arranged on the outer side of the transverse bevel gear and the vertical bevel gear, and limiting rods are extended on both sides of the gear box, and a limiting pulley is installed on the other end of the limiting rod, and the limiting pulley is embedded in the inside of the side slide groove, and the vertical bevel gear is embedded in the inner side of the rack groove, and a mounting frame plate is installed on the top side of the gear box, a screw pump is installed on the outer side of the mounting frame plate, and a metal hose is connected to the bottom of the screw pump.

[0010] Furthermore, a PAC storage tank is installed on one side of the water inlet end of the sewage pool, and a PAM storage tank is installed on one side of the PAC storage tank. A thermometer is provided inside the sewage pool to monitor the temperature of washing water. The material output end of the screw pump is connected to a plate and frame filter press, and one external end of the screw pump is electrically connected to a control device.

[0011] Furthermore, the driving motor forms a gear transmission structure through the driving rotating rod, the horizontal bevel gear and the vertical bevel gear, and the horizontal bevel gear and the vertical bevel gear are vertically meshed, and the vertical bevel gear and the rack groove are meshed with each other for transmission.

[0012] Furthermore, the bottom shaft of the driving rotating rod and the shafts on both sides of the vertical bevel gear are movably mounted on the inner wall of the gear box.

[0013] Furthermore, the limiting rods are symmetrically distributed along the central axis of the gear box, and an axial connection is formed between the limiting rods and the limiting pulley, and the limiting pulley and the side sliding groove are interlocked.

[0014] Furthermore, a new filter cloth is used in the plate and frame filter press, and the material of the new filter cloth is a composite PP filter cloth layer and a PET non-woven fabric reinforcement layer.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the carbon monoxide washing water purification device for calcined petroleum coke production, through the mutual cooperation among the various mechanisms of flocculation, sedimentation and filter pressing, improves the flocculation and sedimentation effect of ash in the washing water, reduces the turbidity of the treated washing water, reduces the water content of the filter cake after passing through the filter press, has strong functionality, and can, after the flocculation and sedimentation of the ash in the washing water, be transported to the filter press by a pump and concentrated into a filter cake, and finally be harmlessly treated to achieve the purpose of purifying the washing water, recycling the washing water, reducing the discharge of the washing water and replenishing fresh water, thereby achieving the purpose of energy saving and emission reduction.

[0016] 1. The utility model uses a PAC storage tank and a PAM storage tank to add flocculants to the washing water together. The two agents need to be used together to improve the flocculation and sedimentation effect of ash in the washing water;

[0017] The treatment process is improved in a targeted manner. The PAC addition is set at the front end and the PAM addition is set at the back end. The PAC addition is 10 seconds earlier than the PAM addition to achieve graded treatment and avoid conflicts between the two flocculants. They are better used in combination, improve the pretreatment of ash, form rapid precipitates after PAM addition, and increase the sedimentation rate of ash.

[0018] 2. The utility model sets partitions in the sewage pool, and divides the processing space under the setting of staggered partition boards, extending the processing space of carbon monoxide washing water, thereby improving the processing efficiency of carbon monoxide washing water to better settle, and sets a temperature measurement point between the first partition and the second partition of the sewage pool through a thermometer to monitor the washing water temperature, effectively reducing the influence of temperature changes on the flocculation effect;

[0019] 3. The utility model adopts advanced control technology to make the screw pump inlet pipe at the bottom of the pool, according to the preset S-shaped track, combined with the partition in the sewage pool, through the movement of the gear running device at the bottom of the pool to drive the screw pump inlet to move, and through the control device to set the movement cycle, reciprocating back and forth to extract the sediment at the bottom of the pool, comprehensively covering every corner of the sewage pool;

[0020] The reciprocating track assembly adopts an embedded structure. The S-shaped track is conveniently installed by installing a panel. The panel can be detachably fixed on the installation panel. The gear operating device at the upper end of the S-shaped track is driven by a driving motor to operate the horizontal bevel gear at the bottom, driving the vertical bevel gear to rotate on the rack groove of the S-shaped track, generating a reverse torque force to cause the vertical bevel gear to move horizontally, thereby moving the entire gear operating device on the S-shaped track.

[0021] Limit rods are installed on both sides of the gear box for limiting. The limit rods can limit the top gear box through the limiting pulley on the inner side of the bottom, so that the vertical bevel gear can be accurately engaged with the rack groove, thereby assisting the screw pump to perform stable reciprocating S-track movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the sewage tank and the reciprocating track assembly in the utility model;

[0023] Figure 2 It is a three-dimensional structural diagram of the reciprocating track assembly and the driving motor in the utility model;

[0024] Figure 3The utility model is a processing flow chart of the washing water purification method.

[0025] In the figure: 1. sewage tank; 2. PAC storage tank; 3. PAM storage tank; 4. thermometer; 5. water pump; 6. screw pump; 7. plate and frame filter press; 8. metal hose; 9. control device; 10. reciprocating track assembly; 1001. S-shaped track; 1002. side slide groove; 1003. mounting panel; 1004. rack groove; 11. partition plate; 12. drive motor; 1201. drive rotating rod; 1202. horizontal bevel gear; 1203. gear box; 1204. vertical bevel gear; 1205. limit rod; 1206. limit pulley; 13. mounting frame. DETAILED DESCRIPTION

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1-3 As shown, the utility model provides a technical solution: a carbon monoxide washing water purification device for calcined petroleum coke production, comprising a sewage pool 1 and a reciprocating track assembly 10, wherein partition plates 11 are staggeredly arranged on the inner side of the sewage pool 1, and the reciprocating track assembly 10 is laid on the outer side of multiple groups of partition plates 11 and the bottom of the sewage pool 1, and the reciprocating track assembly 10 comprises an S-shaped track 1001, a side slide groove 1002, a mounting panel 1003 and a rack groove 1004, and the side slide grooves 1002 are opened on both sides of the S-shaped track 1001, and the mounting panel 1003 is embedded and installed at the bottom of the S-shaped track 1001, and the rack groove 1004 is opened on the top of the S-shaped track 1001, and a water pump 5 is installed on one side of the outside of the sewage pool 1;

[0029] A driving motor 12 is installed on the upper part of the reciprocating track assembly 10, a driving rotating rod 1201 is installed at the bottom of the driving motor 12, and a transverse bevel gear 1202 is installed at the bottom of the driving rotating rod 1201, and a vertical bevel gear 1204 is vertically meshed at the bottom of the transverse bevel gear 1202, and a gear box 1203 is arranged on the outer side of the transverse bevel gear 1202 and the vertical bevel gear 1204, and a limiting rod 1205 is extended on both sides of the gear box 1203, and a limiting pulley 1206 is installed on the other end of the limiting rod 1205, and the limiting pulley 1206 is embedded in the inside of the side slide groove 1002, and the vertical bevel gear 1204 is embedded in the inner side of the rack groove 1004, and a mounting frame plate 13 is installed on the top side of the gear box 1203, and a screw pump 6 is installed on the outer side of the mounting frame plate 13, and a metal hose 8 is connected to the bottom of the screw pump 6;

[0030] A PAC storage tank 2 is installed on one side of the water inlet end of the sewage pool 1, and a PAM storage tank 3 is installed on one side of the PAC storage tank 2. A thermometer 4 is provided inside the sewage pool 1 for monitoring the temperature of washing water. The material output end of the screw pump 6 is connected to a plate and frame filter press 7, and one external end of the screw pump 6 is electrically connected to a control device 9;

[0031] The driving motor 12 forms a gear transmission structure by driving the rotating rod 1201, the horizontal bevel gear 1202 and the vertical bevel gear 1204, and the horizontal bevel gear 1202 and the vertical bevel gear 1204 are vertically meshed, and the vertical bevel gear 1204 and the rack groove 1004 are meshed with each other for transmission;

[0032] The bottom shaft of the driving rod 1201 and the shafts on both sides of the vertical bevel gear 1204 are movably mounted on the inner wall of the gear box 1203;

[0033] The limiting rods 1205 are symmetrically distributed along the central axis of the gear box 1203, and the limiting rods 1205 and the limiting pulleys 1206 are axially connected, and the limiting pulleys 1206 and the side slide grooves 1002 are interlocked;

[0034] A new type of filter cloth is used in the plate and frame filter press 7, and the new type of filter cloth is made of a composite PP filter cloth layer and a PET non-woven fabric reinforcement layer;

[0035] The calcined petroleum coke carbon monoxide washing water purification device improves the flocculation and sedimentation effects of ash in the washing water through the cooperation among the flocculation, sedimentation and filter pressing mechanisms, reduces the turbidity of the treated washing water, and reduces the water content of the filter cake after passing through the filter press. The device has strong functionality and can be pumped to the filter press to be concentrated into a filter cake after the flocculation and sedimentation of the ash in the washing water, and finally treated harmlessly, thereby achieving the purpose of purifying the washing water, recycling the washing water, reducing the discharge of the washing water and replenishing fresh water, and achieving the purpose of energy saving and emission reduction.

[0036] Use PAC storage tank and PAM storage tank to add flocculant to the washing water. The two agents need to be used together to improve the flocculation and sedimentation effect of ash in the washing water.

[0037] Improve the treatment process in a targeted manner, set the PAC addition at the front end and the PAM addition at the back end, and add PAC 10 seconds earlier than PAM to achieve graded treatment, avoid conflicts between the two flocculants, better match them, improve the pretreatment of ash, form fast sedimentation after PAM addition, and increase the sedimentation rate of ash;

[0038] A partition room is set in the sewage pool 1. Under the setting of the staggered partition board 11, the processing space is divided, and the processing space of the carbon monoxide washing water is extended, so as to improve the processing efficiency of the carbon monoxide washing water, so as to better settle it. In addition, a temperature measurement point is set between the first partition and the second partition of the sewage pool 1 through a thermometer 4 to monitor the washing water temperature, so as to effectively reduce the influence of temperature changes on the flocculation effect;

[0039] By adopting advanced control technology, the inlet pipe of the screw pump 6 is placed at the bottom of the pool. According to the preset S-shaped track, combined with the partition in the sewage pool 1, the inlet of the screw pump 6 is driven to move by the movement of the gear operation device at the bottom of the pool, and the movement cycle is set by the control device 9, so that the sediment at the bottom of the pool can be extracted back and forth, covering every corner of the sewage pool;

[0040] The reciprocating track assembly 10 adopts an embedded structure, and the S-shaped track 1001 is conveniently installed by installing the panel 1003. The panel 1003 is detachably fixed on the mounting panel 1003. The gear operating device at the upper end of the S-shaped track 1001 is driven by the driving motor 12 to operate the horizontal bevel gear 1202 at the bottom, driving the vertical bevel gear 1204 to rotate on the rack groove 1004 of the S-shaped track 1001, generating a reverse torque force to cause the vertical bevel gear 1204 to move horizontally, thereby moving the entire gear operating device on the S-shaped track 1001.

[0041] Limit rods 1205 for limiting position are installed on both sides of the gear box 1203. The limit rods 1205 can limit the top gear box 1203 through the limiting pulley 1206 on the inner side of the bottom, so that the vertical bevel gear 1204 can accurately mesh with the rack groove 1004, thereby assisting the screw pump 6 to perform stable reciprocating S-track movement.

[0042] In summary, when the calcined petroleum coke carbon monoxide washing water purification device is used, the carbon monoxide washing water to be treated is first injected from one side of the sewage pool 1, and then PAC is added into the sewage pool 1 through the PAC storage tank 2; after 10 seconds, PAM is added through the PAM storage tank 3, and sediment is quickly formed after the PAM dropwise treatment; after sedimentation, the screw pump 6 is controlled by the control device 9 to start, so that the metal hose 8 extracts the sediment at the bottom of the pool, and at the same time, the drive motor 12 can be controlled to drive, and the gear steering structure is used to control the drive motor 12 to drive the drive rod 1201 at the bottom to drive the horizontal bevel gear The wheel 1202 rotates, driving the vertical bevel gear 1204 to rotate on the rack groove 1004 of the S-shaped track 1001, generating a reverse torque force to cause the vertical bevel gear 1204 to move horizontally, thereby moving the entire gear operating device on the S-shaped track 1001, so that the drive motor 12 and the screw pump 6 as a whole automatically reciprocate along the S-shaped track 1001; and the sediment at the bottom of the pool extracted by the metal hose 8 is transported to the plate and frame filter press 7 through the screw pump 6 to form a filter cake, and then the remaining washing water in the sewage pool 1 is pumped to the scrubbing tower for final treatment through the water pump 5.

[0043] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A carbon monoxide washing water purification device for calcined petroleum coke production, characterized in that: The invention comprises a sewage pool (1) and a reciprocating track assembly (10), wherein partition plates (11) are arranged in an interlaced manner on the inner side of the sewage pool (1), and the reciprocating track assembly (10) is laid on the outer sides of multiple groups of the partition plates (11) and the bottom of the interior of the sewage pool (1), wherein the reciprocating track assembly (10) comprises an S-shaped track (1001), a side slide groove (1002), a mounting panel (1003) and a rack groove (1004), wherein the side slide grooves (1002) are provided on both sides of the S-shaped track (1001), and the mounting panel (1003) is embedded and installed at the bottom of the S-shaped track (1001), and the top of the S-shaped track (1001) is provided with a rack groove (1004), and a water pump (5) is installed on one side of the exterior of the sewage pool (1); A driving motor (12) is installed on the upper part of the reciprocating track assembly (10), a driving rotating rod (1201) is installed on the bottom of the driving motor (12), a transverse bevel gear (1202) is installed on the bottom of the driving rotating rod (1201), and a vertical bevel gear (1204) is vertically meshed at the bottom of the transverse bevel gear (1202), a gear box (1203) is arranged on the outer side of the transverse bevel gear (1202) and the vertical bevel gear (1204), and both sides of the gear box (1203) extend A limit rod (1205) is extended, and a limit pulley (1206) is installed at the other end of the limit rod (1205), and the limit pulley (1206) is embedded in the inside of the side slide groove (1002), and the vertical bevel gear (1204) is embedded in the inner side of the rack groove (1004). A mounting frame plate (13) is installed on the top side of the gear box (1203), and a screw pump (6) is installed on the outer side of the mounting frame plate (13), and a metal hose (8) is connected to the bottom of the screw pump (6).

2. The carbon monoxide washing water purification device for calcined petroleum coke production according to claim 1, characterized in that: A PAC storage tank (2) is installed on one side of the water inlet end of the sewage pool (1), and a PAM storage tank (3) is installed on one side of the PAC storage tank (2). A thermometer (4) is arranged inside the sewage pool (1) for monitoring the temperature of washing water. The material output end of the screw pump (6) is connected to a plate and frame filter press (7), and one external end of the screw pump (6) is electrically connected to a control device (9).

3. The carbon monoxide washing water purification device for calcined petroleum coke production according to claim 1, characterized in that: The driving motor (12) forms a gear transmission structure by driving the rotating rod (1201), the horizontal bevel gear (1202) and the vertical bevel gear (1204), and the horizontal bevel gear (1202) and the vertical bevel gear (1204) are arranged in a vertical meshing state, and the vertical bevel gear (1204) and the rack groove (1004) are meshed with each other for transmission.

4. The carbon monoxide washing water purification device for calcined petroleum coke production according to claim 3, characterized in that: The bottom shaft of the driving rotating rod (1201) and the shafts on both sides of the vertical bevel gear (1204) are movably mounted on the inner wall of the gear box (1203).

5. The carbon monoxide washing water purification device for calcined petroleum coke production according to claim 1, characterized in that: The limiting rods (1205) are symmetrically distributed along the central axis of the gear box (1203), and an axial connection is formed between the limiting rods (1205) and the limiting pulley (1206), and the limiting pulley (1206) and the side sliding groove (1002) are interlocked.

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