Blank powder recycling and slurrying system and method

A technology for recovery bins and slurry tanks, applied in chemical instruments and methods, separation methods, chemical/physical processes, etc., can solve problems such as poor working environment and waste of powder materials

Pending Publication Date: 2021-06-15

CHONGQING WONDERFUL CERAMICS CO LTD

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AI-Extracted Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a green powder recycling system and method for the above-mentioned defects of the ...

Method used

Further, referring to Fig. 3, the first pulping device 300 includes: the first pulp tank 310 arranged below the recovery bin 120, and the first pulp tank 310 arranged in the first pulp tank 310 Stirrer 320 ; a discharge pipe 122 is provided at the lower end of the recovery bin 120 , and the end of the discharge pipe 122 away from the recovery bin 120 communicates with the first slurry pool 310 . That is to say, the first slurry tank 310 of the present invention is set for the base powder, and is set below the ground to save the factory land. The first slurry tank 310 is used to pulverize the recycled press 400 into slurry, and the powder falls into the first slurry tank 310 from the discharge pipe 122 at the bottom of the funnel-shaped recovery bin 120 .

In summary, a kind of base powder recovery system and method disclosed in the present invention are used to reclaim unutilized base powder on the press, including: dust suction device, dust removal device and first pulping device The dust suction device includes a dust suction pipeline and a recovery bin connected to each other, the dust removal device is arranged on one side of the recovery bin, and the first pulping device is arranged below the recovery bin; the recovery bin One side is also provided with a dust suction fan, and the recovery bin is used to inhale the unused blank powder on the press through the dust suction pipe under the suction force of the dust suction fan; the dust removal device is used to The green powder in the recovery bin is filtered, and the first pulping device is used for pulping the filtered green powder. The invention automatically recovers the unused billet powder on the press through the dus...

Abstract

The invention discloses a blank powder recycling and slurrying system and method, which are used for recycling unutilized blank powder on a press. The system comprise a dust suction device, a dust removal device and a first slurrying device. The dust collection device comprises a dust collection pipeline and a recovery bin which are communicated with each other, the dust removal device is arranged on one side of the recovery bin, and the first slurrying device is arranged below the recovery bin; a dust collection fan is further arranged on one side of the recovery bin, and the recovery bin is used for sucking unutilized blank powder on the press through a dust collection pipeline under the action of the suction force of the dust collection fan; the dust removal device is used for filtering the blank powder in the recovery bin, and the first slurrying device is used for slurrying the filtered blank powder. Unutilized blank powder on the press is automatically recycled through the dust collection pipeline and the dust collection fan, filtering and slurrying are automatically conducted, consumed time is short, efficiency is high, and the problems that the working environment is poor and powder is wasted due to blank leakage are solved.

Application Domain

Dispersed particle filtrationRotary stirring mixers +3

Technology Topic

Process engineeringPowder +4

Image

Examples

Experimental program(1)

Example Embodiment

[0027] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] While the powder is leaking from the press, semi-finished rotten bricks, i.e. defective products, will also be produced in the process from brick discharge to firing, which will be collected manually and concentrated in the ball mill process for regrinding. After regrinding, sieve to remove iron To the pulp tank, the process is complicated, and the recycling process is: manual recovery of powder and rotten bricks → ball mill → sieving and iron removal → pulping → pulp tank; this recycling method is time-consuming, power-consuming, and manpower-consuming, and the process is complicated.

[0029] That is to say, the press has the following problems when it is working: the defective products produced in the various processes before firing need to be put back into the ball mill for ball milling when they are recycled, and after being sieved and iron removed, they enter the slurry tank for standby. The recycling method increases auxiliary materials, power consumption, manpower, and recycling process, which is not conducive to energy saving and consumption reduction; the powder recycling process takes a long time, has low efficiency, and a low degree of automation. It requires a certain amount of manpower, and cannot achieve reduction in staff and efficiency.

[0030] See figure 1 and figure 2 , the present invention provides a green powder recycling system for recycling unused green powder on the press 400, that is to say, using the green powder recovery pulp system can automatically recover the unused powder. Specifically, the green powder recycling pulping system includes: a dust collection device 100 , a dust removal device 200 and a first pulping device 300 . The dust suction device 100 includes a dust suction duct 110 and a recovery bin 120, and the dust suction duct 110 and the recovery bin 120 communicate with each other. The dust removal device 200 is arranged on one side of the recovery bin 120 , and the first pulping device 300 is arranged under the recovery bin 120 . One side of the recovery bin 120 is also provided with a dust suction fan 130, and the recovery bin 120 is used to remove the unused green powder on the press 400 through the dust suction duct under the suction force of the dust suction fan 130. 110 suction; the dedusting device 200 is used to filter the green powder in the recovery bin 120, and the first pulping device 300 is used to pulp the filtered green powder.

[0031] When in use, after the press 400 is turned on, the dust suction device 100 and the dust removal device 200 are turned on, and the unused green powder on the press 400 enters the recovery bin 120 along the dust suction pipe 110 under the suction of the dust suction fan 130 The dust removal device 200 separates the air in the recovery bin 120 from the base powder, and discharges the air; the separated base powder enters the first pulping device 300, and the first pulping device 300 pulps the separated base powder. In this way, the present invention automatically recovers the unused base powder on the press 400 through the dust suction pipe 110 and the dust suction fan 130, and automatically filters and pulps it, which is time-consuming and highly efficient.

[0032]In one implementation manner, the dust suction duct 110 includes: several first ducts 111 , and a second duct 112 communicating with the first ducts 111 . Both the first pipeline 111 and the second pipeline 112 are used for the transportation of blanks. Moreover, the first pipeline 111 is arranged along the length direction of the second pipeline 112, so that the first pipeline 111 can be branched out on the second pipeline 112 to the greatest extent, and it is easy to collect unused resources around the press 400. billet. The press 400 is provided with a pipe fitting 410 , and the end of the first pipe 111 away from the second pipe 112 is connected to the pipe fitting 410 . Specifically, multiple first pipelines 111 are provided, and multiple pipeline installation parts 410 are also provided, and one first pipeline 111 corresponds to one pipeline installation part 410 . A pipeline connector 113 is also provided between the second pipeline 112 and the recovery bin 120 , and the second pipeline 112 and the recovery bin 120 are communicated through the pipeline connector 113 .

[0033] In a further implementation manner, the second pipeline 112 is arranged in a Y shape, the first pipeline 111 is a soft pipeline, the second pipeline 112 is a hard pipeline, and the recovery bin 120 is funnel-shaped. Specifically, pipe fittings 410 are provided at positions where the press 400 is prone to powder leakage, for example, a plurality of pipe fittings 410 are provided on three sides of the press 400 . The first pipeline 111 is set as a soft pipeline, and the soft pipeline can be directly connected to the pipeline installation part 410, so that the first pipeline 111 has a certain movable space around the press 400, ensuring that the work of the press 400 will not be affected . Under the suction force of the dust suction fan 130 , the powder goes along the first pipeline 111 to the second pipeline 112 , and finally reaches the dust suction cavity in the funnel-shaped recovery bin 120 .

[0034] Further, the second pipeline 112 includes: a parallel portion communicating with each other and a confluence portion, the parallel portion includes a first parallel portion and a second parallel portion, and the confluence portion includes a first confluence portion and a second confluence portion. The first parallel portion and the second parallel portion are arranged in parallel, and the first pipe 111 is arranged along the length direction of the first parallel portion and the second parallel portion. The first confluence part and the second confluence part are connected at one end facing the pipe installation part 410 , and both communicate with the pipe installation part 410 .

[0035] In one implementation manner, the dust removal device 200 is configured as a bag filter. The bag filter is a bag filter, which is a dry dust filter device, which is suitable for collecting fine, dry, non-fibrous dust. The filter bag is made of textile filter cloth or non-woven felt, and uses the filter function of the fiber fabric to filter the dusty gas. When the dusty gas enters the bag filter, the dust with large particles and large specific gravity will When the air containing fine dust passes through the filter material, the dust will be blocked and the air will be purified.

[0036] One side of the recovery bin 120 is provided with a bin outlet 121, the dust collection fan 130 is connected to the bin outlet 121, and the dust removal device 200 is arranged at the side of the dust collection fan 130 away from the bin outlet 121. One side; the dust suction fan 130 is also provided with an air outlet pipe 131 , and the air outlet pipe 131 is used to discharge the air filtered by the dust removal device 200 . The present invention uses the bag dedusting method to separate the air containing green powder entering the bag filter, and the separated green powder enters the slurry tank to make pulp, and the air is discharged along the air outlet pipe 131.

[0037] Further, see image 3 , the first pulping device 300 includes: a first pulp tank 310 arranged below the recovery bin 120 , and a first agitator 320 arranged in the first pulp tank 310 ; the lower end of the recovery bin 120 A discharge pipe 122 is provided, and the end of the discharge pipe 122 away from the recovery bin 120 communicates with the first slurry tank 310 . That is to say, the first slurry tank 310 of the present invention is set for the base powder, and is set below the ground to save the factory land. The first slurry tank 310 is used to pulverize the recycled press 400 into slurry, and the powder falls into the first slurry tank 310 from the discharge pipe 122 at the bottom of the funnel-shaped recovery bin 120 .

[0038] Further, the first pulp tank 310 is provided with a first pulp tank cover 330, and one end of the first agitator 320 is fixed on the first pulp tank cover 330; A first water inlet 331 , a first slurry outlet 332 and a powder inlet are provided, and the end of the discharge pipe 122 away from the recovery bin 120 is connected to the powder inlet.

[0039] In one implementation, see Figure 4 , the green powder recycling pulping system also includes a second pulping device 500, the second pulping device 500 includes: a second pulp tank 510, and a second agitator 520 arranged in the second pulp tank 510 The second pulp tank 510 is used to receive the defective products produced in each process, and the second agitator 520 is used to pulp the defective products in the second pulp tank 510 . That is to say, the present invention is provided with two slurry tanks altogether, and described second slurry tank 510 is set for the rotten bricks (ie defective products) collected in each process, and is also arranged below the ground to save factory land.

[0040] In a further implementation, a defective product inlet 530 is provided on one side of the second pulp tank 510, a second pulp tank cover 540 is provided on the second pulp tank 510, and one end of the second mixer 520 is fixed to On the second pulp tank cover 540 , a second water inlet 550 and a second pulp outlet 560 are also arranged on the second pulp tank cover 540 .

[0041] Specifically, both slurry tank covers are equipped with agitators, one end of the mixer is suspended on the slurry tank cover, and the other end extends into the slurry to mix the slurry evenly, and the water content of the slurry is controlled at 28-40%.

[0042] Further, the green powder recycling pulping system also includes: a conveying device communicated with the first pulp outlet 332 and the second pulp outlet 560; The slurry in the second slurry tank 510 is transported to the raw material slurry tank for recycling. Specifically, the delivery device includes a plunger pump and a slurry delivery pipeline, which is used to directly transport the slurry in the first slurry tank 310 and the second slurry tank 510 to the slurry tank of the raw material process for recycling. That is to say, the recovery system of the present invention includes a dust suction device 100, a dust removal device 200, a first pulping device 300 and a conveying device, and the steps of recovering green powder are manual recovery of powder, rotten brick→pulpification→pulp tank.

[0043] In this way, the present invention automatically recovers when the powder is leaked at the position of 400 of the press, which realizes the reduction of staff and efficiency, reduces the dust in the air, creates a good working environment, and is beneficial to the health of the staff; powder and semi-finished waste bricks The recovery process is simple. After the slurry is put into the slurry tank, the plunger pump is used to extract it. The operation is simple and the labor intensity of the workers is reduced. The green powder recovery does not need ball milling and sieving to remove iron again, which simplifies the recovery process and saves power consumption. Consumption; no need to add auxiliary materials, reducing the cost of recycling.

[0044] see Figure 5 , the present invention also discloses a green powder recycling and pulping method based on the green powder recycling and pulping system as described above, including:

[0045] Step S100, after the press is turned on, the dust suction device and the dust removal device are turned on, and the unused green powder on the press enters the recovery bin along the dust suction pipe under the suction force of the dust suction fan;

[0046] Step S200, the dedusting device separates the air in the recovery bin from the billet powder, and discharges the air;

[0047] Step S300, the separated green powder enters the first pulping device, and the first pulping device performs pulping on the separated green powder.

[0048] Specifically, after the press 400 is turned on, the bag filter is turned on during the process of pressing the green body, and the powder rises along the first pipeline 111 to the second pipeline 112 under the suction force of the dust suction fan 130, and finally reaches the The dust suction chamber in the recovery bin 120 is separated by a bag filter, the air is discharged along the outlet pipe 131, and the powder enters the first slurry tank 310 along the outlet pipe 122 at the lower part of the recovery bin 120, and is mixed with water. Water enters the first slurry tank 310 from the first water inlet 331 and is stirred evenly by using the first mixer 320 . The rotten bricks collected in each process are manually entered into the second slurry tank through the defective product inlet 530, mixed with water and stirred evenly by the second mixer 520. After utilizing the plunger pump to extract the uniformly stirred slurry in the first slurry tank 310, it is transported to the slurry tank of the raw material process through the first slurry outlet 332; After the pulp is extracted, it is transported to the pulp tank of the raw material process through the second pulp outlet.

[0049] To sum up, the present invention discloses a green powder recycling system and method for recovering unused green powder on a press, including: a dust collection device, a dust removal device, and a first pulping device; The dust-absorbing device includes a dust-absorbing pipeline and a recovery bin communicated with each other. The dust-removing device is arranged on one side of the recovery bin, and the first pulping device is arranged under the recovery bin; one side of the recovery bin is also A dust suction fan is provided, and the recovery bin is used to suck the unused blank powder on the press through the dust suction pipe under the suction force of the dust suction fan; the dust removal device is used for the recovery The green powder in the bin is filtered, and the first pulping device is used for pulping the filtered green powder. The invention automatically recovers the unused billet powder on the press through the dust suction pipe and the dust suction fan, and automatically performs filtration and pulping, which takes a short time and has high efficiency, and avoids the poor working environment and waste of powder caused by billet leakage. question.

[0050] It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art can make improvements or transformations according to the above descriptions, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

PUM

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