Particle material purification countercurrent pickling device with defoaming function

Abstract

The utility model relates to a particle material purification countercurrent pickling device with a defoaming function, which comprises a pickling tank, the bottom of the pickling tank is provided with an acid inlet, the top of the pickling tank is provided with a feed port, an overflow port and a plurality of ultrasonic vibrating bars, the overflow port is connected with a pool body through a pipeline, and the pool body is connected with the acid inlet through a return pipeline; one end of the ultrasonic vibration rod is connected with the ultrasonic generator, and the other end extends below the liquid level in the pickling tank. The device has the beneficial effects that by additionally arranging the ultrasonic vibration rod and the ultrasonic generator, foams on the floating liquid surface can be quickly broken through the cavitation effect of ultrasonic waves, so that the foams are eliminated, and normal flowing of acid liquid in the pickling process is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical engineering, in particular to a particle material purification countercurrent pickling device with a foam removal function. Background Art

[0002] As we all know, the large-scale industrial production of granular materials must do a good job in dust pollution prevention and control. Therefore, in accordance with the national dust pollution prevention and control standards, most of them adopt wet preparation technology. In the preparation technology of non-metallic mineral granular materials, almost all of them adopt wet production technology. The biggest advantage of this process is to maximize the removal of iron introduced in the process of preparing granular materials through wet magnetic separation. However, after the granular materials are prepared, their specific surface area increases, the surface energy is large, the adsorption capacity also increases, and the ability to adsorb impurities is strong - the impurities adsorbed on its surface include not only liquids, solids, but also Gas, therefore, when the dehydrated granular material enters the pickling tank, there are gaps between the materials when they are piled up, and the gaps are filled with air. Therefore, during the acid purification process in the pickling device (such as: Patent No. 2011101218819, Patent Name: A high-purity quartz sand purification pickling device), when the acid enters from the bottom of the pickling tank, it slowly rises, and the air is slowly driven out during the rising process, thus forming a lot of foam. If the foam cannot be effectively removed, it will have an adverse effect on the normal flow of the acid in the pickling process. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a particle material purification countercurrent pickling device with a foam removal function to overcome the deficiencies in the above-mentioned prior art.

[0004] The utility model solves the above-mentioned technical problem with the following technical solution: a countercurrent pickling device for purifying particulate materials with a foam removal function, comprising a pickling tank, wherein an acid inlet is arranged at the bottom of the pickling tank, a feeding port, an overflow port and a plurality of ultrasonic vibration rods are arranged at the top of the pickling tank, the overflow port pipeline is connected to the tank body, and the tank body is connected to the acid inlet through a reflux pipeline; one end of the ultrasonic vibration rod is connected to an ultrasonic generator, and the other end extends below the liquid level in the pickling tank.

[0005] On the basis of the above technical solution, the present invention can also be improved as follows.

[0006] Furthermore, a plurality of mounting holes are provided on the top of the pickling tank, and the ultrasonic vibration rod is fixedly or detachably connected to the mounting holes on the top of the pickling tank.

[0007] Furthermore, the acid inlet is connected in series with a heater, an acid-resistant pump and an acid storage container via an acid liquid delivery pipe.

[0008] Furthermore, a valve is provided on the acid delivery pipe between the acid-resistant pump and the heater.

[0009] Further, the heater is a heat exchanger.

[0010] Furthermore, a valve is provided on the acid delivery pipe between the acid storage container and the acid-resistant pump.

[0011] Furthermore, the tank body is a sand settling tank or a transfer acid tank.

[0012] Furthermore, the pool body is connected with the acid-resistant pump, the heater and the acid inlet in sequence through a reflux pipe, and a valve is provided on the reflux pipe.

[0013] Furthermore, a flushing device connected to the acid delivery pipe through the acid inlet is provided at the bottom of the pickling tank, a filter cloth and a sieve plate are provided below the flushing device in the pickling tank, a discharge pipe and a vacuum pipe are provided below the sieve plate, the vacuum pipe is connected to an external vacuum pump, a valve is provided on the discharge pipe, and a sand discharge pipe with a valve is provided between the flushing device and the filter cloth in the pickling tank.

[0014] Furthermore, a buffer tank is provided on the vacuum pipe at the inlet side of the vacuum pump.

[0015] The beneficial effects of the utility model are:

[0016] The non-metallic mineral granular materials to be pickled and purified are put into the pickling tank through the feeding port, and the amount added depends on the actual situation.

[0017] After the feeding is completed, the acid-resistant pump is started, and the acid in the acid storage container is sent to the heater through the acid-resistant pump, and then sent to the pickling tank after being heated by the heater.

[0018] When the acid liquid rises to the overflow port near the upper end of the pickling tank, the ultrasonic generator is turned on. The ultrasonic generator controls the ultrasonic vibration rod to generate ultrasonic vibration and emits this vibration energy into the liquid, thereby utilizing the cavitation effect of the ultrasonic wave to quickly burst the foam on the floating liquid surface to eliminate the foam. The ultrasonic generator can be turned off after the foam is completely eliminated.

[0019] By adding an ultrasonic vibrating rod and an ultrasonic generator, the cavitation effect of ultrasound can be used to quickly burst the foam on the floating liquid surface to eliminate the foam and avoid affecting the normal flow of the acid during the pickling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of a countercurrent pickling device for purifying granular materials with a defoaming function in the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Pickling tank, 110. Feeding port, 120. Discharge pipe, 130. Vacuum tube, 140. Sand discharge pipe, 2. Acid delivery pipe, 3. Heater, 4. Acid-resistant pump, 5. Acid storage container, 6. Overflow pipe, 7. Pool body, 8. Ultrasonic vibrator, 9. Ultrasonic generator, 10. Reflux pipe, 11. Flushing device, 12. Filter cloth, 13. Sieve plate, 14. Vacuum pump, 15. Buffer tank. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0024] Example 1

[0025] like Figure 1 As shown, a particle material purification countercurrent pickling device with a defoaming function comprises:

[0026] The pickling tank 1 has an acid inlet connected in series with a heater 3, an acid-resistant pump 4 and an acid storage container 5 through an acid delivery pipe 2. The acid-resistant pump 4 is started, and the acid in the acid storage container 5 is delivered to the heater 3 through the acid-resistant pump 4, and then delivered to the pickling tank 1 after being heated by the heater 3.

[0027] The overflow port of the pickling tank 1 is connected to the tank body 7 through the overflow pipe 6 , and the acid liquid after the foam in the pickling tank 1 is eliminated can flow to the tank body 7 through the overflow port and the overflow pipe 6 .

[0028] The pickling tank 1 is provided with a feeding port 110 , through which non-metallic mineral granular materials can be fed into the pickling tank 1 .

[0029] A plurality of ultrasonic vibrating rods 8 extending below the liquid level in the pickling tank 1 are fixed on the top of the pickling tank 1. The specific number of ultrasonic vibrating rods 8 installed is determined according to the radial cross-sectional area of ​​the pickling tank 1. The ultrasonic vibrating rods 8 are connected to an ultrasonic generator 9. When the acid liquid rises to the overflow port near the upper end of the pickling tank 1, the ultrasonic generator 9 is turned on. The ultrasonic generator 9 controls the ultrasonic vibrating rods 8 to generate ultrasonic vibrations and emits the vibration energy into the liquid, thereby utilizing the cavitation effect of the ultrasonic wave to quickly burst the foam on the floating liquid surface to eliminate the foam.

[0030] The workflow is as follows:

[0031] The non-metallic mineral granular material to be pickled and purified is fed into the pickling tank 1 through the feed port 110, and the amount of the material added is determined according to the actual situation.

[0032] After the feeding is completed, the acid-resistant pump 4 is started, and the acid solution in the acid storage container 5 is sent to the heater 3 through the acid-resistant pump 4, and then sent to the pickling tank 1 after being heated by the heater 3.

[0033] When the acid liquid rises to the overflow port near the upper end of the pickling tank 1, the ultrasonic generator 9 is turned on. The ultrasonic generator 9 controls the ultrasonic vibration rod 8 to generate ultrasonic vibration and emits this vibration energy into the liquid, thereby utilizing the cavitation effect of the ultrasonic wave to quickly burst the foam on the floating liquid surface to eliminate the foam. After the foam is completely eliminated, the ultrasonic generator 9 can be turned off.

[0034] Example 2

[0035] like Figure 1 As shown, this embodiment is a further improvement on the basis of embodiment 1, and the details are as follows:

[0036] A plurality of mounting holes are provided on the top of the pickling tank 1 , and the ultrasonic vibrating rod 8 is fixed in the mounting holes on the top of the pickling tank 1 , so that the installation of the ultrasonic vibrating rod 8 is very convenient.

[0037] Example 3

[0038] like Figure 1 As shown, this embodiment is a further improvement on the basis of Embodiment 1 or 2, and the details are as follows:

[0039] A valve is provided on the acid delivery pipe 2 between the acid-resistant pump 4 and the heater 3 , and the valve can be used to control whether the acid-resistant pump 4 and the heater 3 are connected.

[0040] In addition, the heater 3 is preferably a heat exchanger, and the medium inlet of the heat exchanger is connected to an external heat source, which can be steam, heat transfer oil, high-temperature flue gas, hot water, etc. Of course, the heater 3 can also be in other forms.

[0041] A valve is provided on the acid delivery pipe 2 between the acid storage container 5 and the acid-resistant pump 4, and the valve can be used to control whether the acid-resistant pump 4 and the acid storage container 5 are connected.

[0042] Example 4

[0043] like Figure 1 As shown, this embodiment is a further improvement on any one of Embodiments 1 to 3, and the details are as follows:

[0044] The tank body 7 is a sand settling tank or a transfer acid liquid tank. The tank body 7 is connected to the acid-resistant pump 4 via a reflux pipe 10. The acid liquid after the foam is eliminated in the pickling tank 1 can flow to the tank body 7 through the overflow port and the overflow pipe 6.

[0045] If the tank body 7 is a grit chamber, the clear liquid of the acid solution after the grit is settled in the grit chamber is sent to the acid-resistant pump 4 through the reflux pipe 10, and the acid-resistant pump 4 can send the clear liquid back to the pickling tank 1 through the heater 3 and the acid delivery pipe 2 to achieve recycling;

[0046] If the tank body 7 is a transfer acid tank, the acid is only transferred in the transfer acid tank and then sent to the acid-resistant pump 4 through the reflux pipe 10. The acid-resistant pump 4 can return it to the pickling tank 1 through the heater 3 and the acid delivery pipe 2 to achieve recycling.

[0047] A valve is provided on the reflux pipe 10 , through which the conduction between the tank body 7 and the acid-resistant pump 4 can be controlled.

[0048] Example 5

[0049] like Figure 1 As shown, this embodiment is a further improvement on any one of Embodiments 1 to 4, and the details are as follows:

[0050] A flushing device 11 connected to the acid delivery pipe 2 through the acid inlet is provided at the bottom of the pickling tank 1. A filter cloth 12 and a sieve plate 13 are provided in sequence below the flushing device 11 in the pickling tank 1. A discharge pipe 120 and a vacuum pipe 130 are provided below the sieve plate 13 of the pickling tank 1. The vacuum pipe 130 is externally connected to a vacuum pump 14. A valve is provided on the discharge pipe 120. A sand discharge pipe 140 with a valve is provided between the flushing device 11 and the filter cloth 12 of the pickling tank 1. A buffer tank 15 is provided on the vacuum pipe 130 at the inlet side of the vacuum pump 14.

[0051] The acid in the acid storage container 5 is sent to the heater 3 through the acid-resistant pump 4, and then sent to the flushing device 11 after being heated by the heater 3, and sprayed into the non-metallic mineral particles through the flushing device 11. When a certain amount of hot acid enters, the non-metallic mineral particles begin to float and roll (fluidization movement) or move relatively under the action of the upward rising force (buoyancy) of the acid, which is beneficial to purification, and directly exchange heat with the hot acid during the movement. At the same time, the hot acid begins to react chemically with the impurities, and the heat exchange The acidic liquid continues to rise to the top of the pickling tank 1, and the acidic liquid after the foam is eliminated flows into the pool body 7 through the overflow pipe 6 to precipitate the sand particles. The acidic liquid after the sand particles are removed enters the acid-resistant pump 4 from the pool body 7 through the reflux pipe 10, and then is sent to the heater 3 through the acid-resistant pump 4 for heating before entering the flushing device 11, which effectively saves the amount of acidic liquid. The pickling cycle is performed for a predetermined period, the acid-resistant pump 4 is stopped, and the vacuum pump 14 is used to vacuum remove the acidic liquid, and then the non-metallic mineral particle material after the acidic liquid is removed is discharged through the sand discharge pipe 140 with high purity. Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the utility model. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. A particle material purification countercurrent pickling device with a defoaming function, characterized in that: include: A pickling tank, wherein an acid inlet is arranged at the bottom of the pickling tank, a feeding port, an overflow port and a plurality of ultrasonic vibration rods are arranged at the top, the overflow port pipeline is connected to the tank body, and the tank body is connected to the acid inlet through a reflux pipeline; one end of the ultrasonic vibration rod is connected to an ultrasonic generator, and the other end extends below the liquid level in the pickling tank.

2. A particle material purification countercurrent pickling device with a defoaming function according to claim 1, characterized in that: A plurality of mounting holes are provided on the top of the pickling tank, and the ultrasonic vibration rod is fixedly or detachably connected to the mounting holes on the top of the pickling tank.

3. The particle material purification countercurrent pickling device with defoaming function according to claim 1 is characterized in that: The acid inlet is connected in series with a heater, an acid-resistant pump and an acid storage container in sequence through an acid liquid delivery pipe.

4. A particle material purification countercurrent pickling device with a defoaming function according to claim 3, characterized in that: A valve is provided on the acid liquid delivery pipe between the acid-resistant pump and the heater; a valve is provided on the acid liquid delivery pipe between the acid storage container and the acid-resistant pump.

5. The particle material purification countercurrent pickling device with defoaming function according to claim 3 is characterized in that: The heater is a heat exchanger.

6. The particle material purification countercurrent pickling device with defoaming function according to claim 1 is characterized in that: The tank body is a sand settling tank or a transfer acid tank.

7. The particle material purification countercurrent pickling device with defoaming function according to claim 3 is characterized in that: The pool body is connected with the acid-resistant pump, the heater and the acid inlet in sequence through a reflux pipe, and a valve is arranged on the reflux pipe.

8. The particle material purification countercurrent pickling device with defoaming function according to claim 1, characterized in that: A flushing device connected to the acid delivery pipe through the acid inlet is provided at the bottom of the pickling tank, a filter cloth and a sieve plate are provided in the pickling tank below the flushing device, a discharge pipe and a vacuum pipe are provided below the sieve plate, the vacuum pipe is externally connected to a vacuum pump, a valve is provided on the discharge pipe, and a sand discharge pipe with a valve is provided between the flushing device and the filter cloth.

9. A particle material purification countercurrent pickling device with a defoaming function according to claim 8, characterized in that: A buffer tank is provided on the vacuum pipe at the inlet side of the vacuum pump.

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