CN210314430U - Water quenching reduction equipment in chromium slag treatment process - Google Patents

Abstract

A water quenching reduction device in a chromium slag disposal process comprises a water quenching tank and a slag dragging machine, wherein the outlet end of the water quenching tank is hermetically connected with the slag dragging machine through a pipeline, the top of the water quenching tank is fixedly connected with a slag inlet pipe, the slag inlet pipe penetrates through the top of the water quenching tank, the outlet end of the slag inlet pipe extends towards the bottom of the water quenching tank, the slag inlet pipe is positioned at the upper part of the water quenching tank, one end of the slag inlet pipe, which is close to the outlet end, is fixedly provided with a rotary connecting mechanism, the outlet end of the slag inlet pipe is provided with a dispersing mechanism, the dispersing mechanism is sleeved on the slag inlet pipe and is connected with the rotary connecting mechanism through a bolt, the dispersing mechanism is utilized to disperse slag entering the water quenching tank, so that the slag uniformly falls into a solution in the water quenching tank and reacts with the solution, the reduction effect is improved, and meanwhile, when the dispersed slag falls into the solution, the splashing phenomenon of the slag and the solution can be avoided, and the potential safety hazard of equipment operation is reduced.

Description

Water quenching reduction equipment in chromium slag treatment process

Technical Field

The utility model relates to a chromium sediment treatment facility technical field especially relates to a chromium sediment deals with in-process shrend reduction facility.

Background

With the rapid development of the smelting industry, the metal processing industry, the machine manufacturing industry, the electroplating industry and other industries, the stock of solid waste and dangerous waste in China has reached a striking number. The chromium slag containing hexavalent chromium has strong oxidizing property and is easy to dissolve in water, and serious pollution to surrounding ground surfaces, soil, underground water sources and nearby rivers can be caused after long-time wind blowing, sun drying and rain. When the chromium slag is treated by the dry method, the chromium slag is mixed with a proper amount of coal or sawdust rice hulls, the mixture is roasted at 540-600 ℃, generated carbon monoxide and hydrogen are used as reducing agents, hexavalent chromium is reduced into trivalent chromium, water quenching is carried out under a sealing condition, and the reduction effect is consolidated.

Disclosure of Invention

In view of the above, there is a need for a water quenching reduction apparatus in chromium slag disposal process.

The utility model provides a chromium sediment processing in-process shrend reduction equipment, includes shrend jar, dragveyer, the exit end of shrend jar passes through pipeline and dragveyer sealing connection, the top fixedly connected with of shrend jar advances the sediment pipe, advances the top that the sediment pipe passed the shrend jar, and the exit end that advances the sediment pipe extends to the bottom of shrend jar, makes into the upper portion that the sediment pipe is located the shrend jar, it is close to the fixed rotation coupling mechanism that is provided with of one end of exit end to advance the sediment pipe, the exit end that advances the sediment pipe is provided with dispersion mechanism, dispersion mechanism suit is on advancing the sediment pipe to pass through bolted connection with rotation coupling mechanism, the top of shrend jar is provided with the moisturizing pipe, the upper portion of shrend jar is provided with steam discharging device, steam discharging device and the inside intercommunication of shrend jar, the bottom of shrend jar is provided with outer calandria, outer calandria and dragveyer.

Preferably, it includes first fixed disk to rotate coupling mechanism, the rolling disc, the second fixed disk, first fixed disk suit is in the one end that advances the sediment pipe and be close to the exit end, and with advancing sediment pipe fixed connection, first annular spout has been seted up to the lower surface of first fixed disk, the one end that the second fixed disk suit is close to the exit end at advancing the sediment pipe, and with advancing sediment pipe fixed connection, and the second fixed disk is located the below of first fixed disk, second annular spout has been seted up to the upper surface of second fixed disk, the rolling disc sets up between first fixed disk and second fixed disk, the upper surface and the lower surface of rolling disc are all fixed and are provided with annular slide rail, annular slide rail imbeds first annular spout, in the second annular spout, be connected rolling disc and first fixed disk and second fixed disk.

Preferably, the dispersing mechanism comprises a connecting sleeve, a connecting rod and a dispersing disc, the connecting sleeve is sleeved on the outlet end of the slag inlet pipe, the dispersing disc is arranged right below the outlet end of the connecting sleeve, one end of the connecting rod is fixedly connected with the connecting sleeve, and the other end of the connecting rod is fixedly connected with the dispersing disc.

Preferably, a connecting disc is fixedly arranged at one end, far away from the scattering disc, of the connecting sleeve, the connecting disc is fixedly connected with the rotating disc through a bolt, and a circular sinking groove is formed in the surface of one end, far away from the connecting sleeve, of the connecting disc.

Preferably, the scattering disc comprises an upper disc, a middle disc and a lower disc, the upper disc, the middle disc and the lower disc are all in a cone shape, the upper disc, the middle disc and the lower disc are fixedly connected in sequence from top to bottom at equal intervals, and the upper disc, the middle disc and the lower disc are distributed in a step shape.

Preferably, the upper tray, the middle tray and the lower tray are all provided with slag leaking holes.

Preferably, the upper tray has a size smaller than that of the intermediate tray, and the intermediate tray has a size smaller than that of the lower tray.

Preferably, a round hole is formed in the center of each of the middle disc and the lower disc, and the diameter of the round hole in the middle disc is smaller than that of the round hole in the lower disc.

Preferably, the top of the upper disc is in a circular truncated cone shape.

Preferably, the steam discharging device comprises a steam pipeline and an exhaust fan, the inlet end of the steam pipeline is communicated with a steam outlet arranged at the upper part of the water quenching tank, and the outlet end of the steam pipeline is communicated with the exhaust fan.

The utility model adopts the above technical scheme, its beneficial effect lies in: the utility model comprises a water quenching tank and a slag conveyor, wherein the outlet end of the water quenching tank is hermetically connected with the slag conveyor through a pipeline, the top of the water quenching tank is fixedly connected with a slag inlet pipe, the slag inlet pipe passes through the top of the water quenching tank, the outlet end of the slag inlet pipe extends towards the bottom of the water quenching tank, so that the slag inlet pipe is positioned at the upper part of the water quenching tank, one end of the slag inlet pipe, which is close to the outlet end, is fixedly provided with a rotary connecting mechanism, the outlet end of the slag inlet pipe is provided with a dispersing mechanism, the dispersing mechanism is sleeved on the slag inlet pipe and is connected with the rotary connecting mechanism through a bolt, and the dispersing mechanism is utilized, the slag charge entering the water quenching tank can be dispersed, so that the slag charge uniformly falls into the solution in the water quenching tank and reacts with the solution, therefore, the reduction effect is improved, and meanwhile, when the scattered slag falls into the solution, the phenomenon of splashing of the slag and the solution can be avoided, and the potential safety hazard of equipment operation is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the water quenching tank of the utility model.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure: the device comprises a water quenching tank 10, a slag inlet pipe 101, a rotary connecting mechanism 102, a first fixed disk 1021, a rotary disk 1022, a second fixed disk 1023, a dispersing mechanism 103, a connecting sleeve 1031, a connecting disk 10311, a connecting rod 1032, a dispersing disk 1033, an upper disk 10331, a middle disk 10332, a lower disk 10333, a water supplementing pipe 104, a steam outlet 105, an outer discharge pipe 106, a slag dragging machine 20, a steam discharging device 30, a steam pipeline 301, an exhaust fan 302, an ash water tank 40 and a sewage pump 50.

Detailed Description

Referring to fig. 1 to 3, an embodiment of the present invention provides a water quenching reduction apparatus in a chromium slag disposal process, including a water quenching tank 10 and a slag conveyor 20, an outlet end of the water quenching tank 10 is hermetically connected to the slag conveyor 20 through a pipeline, a slag inlet pipe 101 is fixedly connected to a top of the water quenching tank 10, the slag inlet pipe 101 passes through a top of the water quenching tank 10, and an outlet end of the slag inlet pipe 101 extends toward a bottom of the water quenching tank 10, so that the slag inlet pipe 101 is located at an upper portion of the water quenching tank 10, a rotary connection mechanism 102 is fixedly arranged at one end of the slag inlet pipe 101 close to the outlet end, an outlet end of the slag inlet pipe 101 is provided with a dispersion mechanism 103, the dispersion mechanism 103 is sleeved on the slag inlet pipe 101 and is connected to the rotary connection mechanism 102 through a bolt, the dispersion mechanism 103 is located above a liquid level of the water quenching tank 10, the liquid level in the water quenching tank 10 is 1/2 of the internal height of the water quenching tank 10, a water replenishing pipe 104 is, the upper portion of water quenching jar 10 is provided with steam eduction gear 30, and steam eduction gear 30 communicates with the inside of water quenching jar 10, discharges the steam that the water quenching produced, and the bottom of water quenching jar 10 is provided with outer calandria 106, and outer calandria 106 is connected with the slag inlet sealing of dragveyer 20, can arrange the slag charge after the water quenching to in dragveyer 20 to through dragveyer 20 with slag charge and water quenching solution separation.

The rotary connecting mechanism 102 comprises a first fixed disk 1021, a rotary disk 1022 and a second fixed disk 1023, wherein the first fixed disk 1021 is sleeved at one end, close to the outlet end, of the slag inlet pipe 101 and is fixedly connected with the slag inlet pipe 101, a first annular sliding groove is formed in the lower surface of the first fixed disk 1021, the second fixed disk 1023 is sleeved at one end, close to the outlet end, of the slag inlet pipe 101 and is fixedly connected with the slag inlet pipe 101, the second fixed disk 1023 is positioned below the first fixed disk 1021, a second annular sliding groove is formed in the upper surface of the second fixed disk 1023, the rotary disk 1022 is arranged between the first fixed disk 1021 and the second fixed disk 1023, annular sliding rails are fixedly arranged on the upper surface and the lower surface of the rotary disk 1022, the annular sliding rails are embedded into the first annular sliding groove and the second annular sliding groove, the rotary disk 1022 is connected with the first fixed disk 1021 and the second fixed disk 1023, and accordingly, the rotary disk 1022 can, The second annular chute rotates.

The dispersing mechanism 103 comprises a connecting sleeve 1031, a connecting rod 1032 and a dispersing disk 1033, the connecting sleeve 1031 is sleeved on the outlet end of the slag inlet pipe 101, the dispersing disk 1033 is arranged right below the outlet end of the connecting sleeve 1031, one end of the connecting rod 1032 is fixedly connected with the connecting sleeve 1031, and the other end of the connecting rod 1032 is fixedly connected with the dispersing disk 1033. Connecting sleeve 1031 is far away from the fixed connection pad 10311 that is provided with of one end of scattering dish 1033, and connecting pad 10311 passes through bolt and rolling disc 1022 fixed connection, and the circular heavy groove has been seted up to connecting sleeve 1031's an end surface that connecting sleeve 1031 was kept away from to connecting pad 10311, is connected the back at connecting sleeve 1031 and rolling disc 1022, just can make second fixed disk 1023 be located circular heavy inslot portion, can play the guard action to second fixed disk 1023, prevents that the high temperature flue gas from upwards impacting second fixed disk 1023.

The scattering disk 1033 comprises an upper disk 10331, a middle disk 10332 and a lower disk 10333, the upper disk 10331, the middle disk 10332 and the lower disk 10333 are conical, the upper disk 10331, the middle disk 10332 and the lower disk 10333 are fixedly connected from top to bottom at equal intervals, the intervals between the upper disk 10331, the middle disk 10332 and the lower disk 10333 are the same, and the slag can be guaranteed to roll down from the intervals, the upper disk 10331, the middle disk 10332 and the lower disk 10333 are distributed in a step shape, so that the slag after falling down can slide down along the upper disk 10331, the middle disk 10332 and the lower disk 10333 to form a waterfall shape, and the upper disk 10331, the middle disk 10332 and the lower disk 10333 are provided with slag leakage holes, so that the slag can continuously fall down from the slag leakage holes in the process of sliding down, and the slag can be guaranteed to be more uniformly scattered. The top of the upper disk 10331 is circular truncated cone shaped. The slag falling from the outlet end of the slag inlet pipe 101 can be dispersed after impacting the upper disk 10331, and when the slag impacts the upper disk 10331, the middle disk 10332 and the lower disk 10333, the whole scattering disk 1033 can rotate along the rotating disk 1022 due to the downward impact of the slag, so that the slag can be dispersed more effectively, and the effect of water quenching reduction can be improved.

The size of the upper tray 10331 is smaller than the size of the middle tray 10332, and the size of the middle tray 10332 is smaller than the size of the lower tray 10333.

The center positions of the middle disk 10332 and the lower disk 10333 are respectively provided with a round hole, and the diameter of the round hole on the middle disk 10332 is smaller than that of the round hole on the lower disk 10333, so that part of slag falling from the slag leaking hole can fall from the two round holes.

The steam discharging device 30 comprises a steam pipeline 301 and an exhaust fan 302, wherein the inlet end of the steam pipeline 301 is communicated with a steam outlet 105 arranged at the upper part of the water quenching tank 10, and the outlet end of the steam pipeline 301 is communicated with the exhaust fan 302 so as to pump away steam generated during water quenching.

An ash water tank 40 can be further arranged below the slag inlet of the slag conveyor 20, a separation plate can be arranged between the ash water tank 40 and the slag conveyor 20, the separation plate can separate water-quenched slag from water-quenched solution, the slag conveyor 20 carries away the water-quenched slag, and the separated water-quenched solution flows into the ash water tank 40 and can be pumped away by a sewage pump 50.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a chromium sediment is dealt with in-process shrend reduction equipment, includes shrend jar, dragveyer, and the exit end of shrend jar passes through pipeline and dragveyer sealing connection, its characterized in that: the utility model discloses a slag quenching device, including the sediment jar, the sediment jar is quenched to the sediment, the top fixedly connected with of shrend jar advances the sediment pipe, advance the sediment pipe and pass the top of shrend jar, and the exit end that advances the sediment pipe extends to the bottom of shrend jar, the messenger advances the upper portion that the sediment pipe is located the shrend jar, it is provided with rotation coupling mechanism to advance the fixed one end that is close to the exit end of sediment pipe, the exit end that advances the sediment pipe is provided with dispersion mechanism, dispersion mechanism suit is on advancing the sediment pipe, and pass through bolted connection with rotation coupling mechanism, the top of shrend jar is provided with the moisturizing pipe, the upper portion of shrend jar is provided with steam discharger, steam discharger communicates with the inside of shrend jar, the bottom of shrend jar is provided with outer.

2. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 1, wherein: the rotation connecting mechanism comprises a first fixed disk, a rotating disk and a second fixed disk, wherein the first fixed disk is sleeved at one end of the slag inlet pipe close to the outlet end and is fixedly connected with the slag inlet pipe, a first annular sliding groove is formed in the lower surface of the first fixed disk, the second fixed disk is sleeved at one end of the slag inlet pipe close to the outlet end and is fixedly connected with the slag inlet pipe, the second fixed disk is located below the first fixed disk, a second annular sliding groove is formed in the upper surface of the second fixed disk, the rotating disk is arranged between the first fixed disk and the second fixed disk, annular sliding rails are fixedly arranged on the upper surface and the lower surface of the rotating disk, the annular sliding rails are embedded into the first annular sliding groove and are arranged in the second annular sliding groove, and the rotating disk is connected with the first fixed disk and the.

3. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 1, wherein: the dispersing mechanism comprises a connecting sleeve, a connecting rod and a dispersing disc, the connecting sleeve is sleeved on the outlet end of the slag inlet pipe, the dispersing disc is arranged right below the outlet end of the connecting sleeve, one end of the connecting rod is fixedly connected with the connecting sleeve, and the other end of the connecting rod is fixedly connected with the dispersing disc.

4. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 3, wherein: the one end that the connecting sleeve pipe kept away from and spills the dish is fixed and is provided with the connection pad, and the connection pad passes through bolt and rolling disc fixed connection, and the circular heavy groove has been seted up on the one end surface that the connecting sleeve pipe was kept away from to the connection pad.

5. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 3, wherein: the scattering disc comprises an upper disc, a middle disc and a lower disc which are all in a cone shape, the upper disc, the middle disc and the lower disc are fixedly connected in sequence from top to bottom at equal intervals, and the upper disc, the middle disc and the lower disc are distributed in a step shape.

6. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 5, characterized in that: and slag leakage holes are formed in the upper disc, the middle disc and the lower disc.

7. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 6, wherein: the upper tray is smaller in size than the intermediate tray, which is smaller in size than the lower tray.

8. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 7, wherein: the center positions of the middle disc and the lower disc are both provided with a round hole, and the diameter of the round hole on the middle disc is smaller than that of the round hole on the lower disc.

9. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 6, wherein: the top of the upper disc is in a round table shape.

10. The chromium slag treatment in-process water quenching reduction equipment as claimed in claim 1, wherein: the steam discharge device comprises a steam pipeline and an exhaust fan, the inlet end of the steam pipeline is communicated with a steam outlet arranged on the upper part of the water quenching tank, and the outlet end of the steam pipeline is communicated with the exhaust fan.

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