CN214654017U

CN214654017U - Zirconia waste water filter equipment

Info

Publication number: CN214654017U
Application number: CN202120168129.9U
Authority: CN
Inventors: 钟小亮; 周小军
Original assignee: Ma'anshan Yunqi Jinrui New Materials Co ltd
Current assignee: Ma'anshan Yunqi Jinrui New Materials Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-11-09
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a zirconia waste water filter equipment, including first filter and second filter. A coarse particle filter plate, a fine particle filter plate and an adsorption type filter layer are arranged in the first filter; the second filter adopts a ceramic membrane tube as a filter element and adopts osmotic pressure type filtration. The adsorption type filter layer adopts a double-layer structure, wherein the upper layer adopts active carbon as a filter material, and the lower layer adopts filter resin formed by mixing anion exchange resin and cation exchange resin as the filter material. The utility model discloses a five filterable modes, at first filter the macroscopic solid particle who crosses respectively in the waste water with the fine particle filter through the coarse grain filter, rethread active carbon filters with the adsorption type of filtering resin, filters microparticle and the zwitterion in the waste water of crossing, adopts the filtration of ceramic membrane pipe osmotic pressure mode again at last, filters the particulate matter that is greater than 10 nanometers in the waste water of crossing to ensure that no particulate matter reaches waste water discharge or recycle's standard in the waste water.

Description

Zirconia waste water filter equipment

Technical Field

The utility model relates to an industrial wastewater treatment technology, in particular to zirconia production wastewater treatment and discharge.

Background

The process of zirconia generation relates to the waste water generated by zirconia reaction liquid and the waste water generated by the zirconia cleaning process. The wastewater generated in the zirconia cleaning process contains mainly solid particles and ions dissolved in water, but the concentration of the ions is very low and the ions are not valuable for recovery. In the prior art, the wastewater generated in the zirconia cleaning process is usually filtered once, the wastewater is not filtered thoroughly, and the wastewater generated after filtering cannot meet the requirement of environmental protection and discharge.

Disclosure of Invention

The utility model discloses the problem that will solve: in the prior art, the waste water generated in the zirconia cleaning process can not meet the requirement of environmental protection and discharge after being filtered once.

In order to solve the above problem, the utility model discloses a scheme as follows:

the utility model relates to a zirconia production wastewater filtering device, which comprises a first filter and a second filter; the first filter comprises a filter tank, and a coarse particle filter plate, a fine particle filter plate and an adsorption type filter layer which are arranged in the filter tank; the fine particle filter plate is arranged above the adsorption type filter layer; the coarse particle filter plate is arranged above the fine particle filter plate; a raw water inlet is arranged above the coarse particle filter plate; a first sedimentation cavity is arranged below the adsorption type filter layer; the first sedimentation cavity is provided with a water return port and a water outlet; the second filter comprises a support tube and a ceramic membrane tube arranged in the support tube; the supporting tube is vertically arranged, the bottom of the supporting tube is provided with a water inlet, the top of the supporting tube is provided with an overflow outlet, and the wall of the supporting tube is provided with a clear water outlet; the water inlet is connected with the water outlet through a feeding pump; the overflow outlet is connected with the water return port; the ceramic membrane tube is arranged in the supporting tube in a hanging manner, so that a buffer gap is formed between the ceramic membrane tube and the supporting tube; the buffer gap is communicated with the clear water outlet and is isolated from the water inlet and the overflow outlet; the water inlet and the overflow outlet are connected with the ceramic membrane tube.

Further, the top and the bottom of the ceramic membrane tube are arranged in the supporting tube through rubber pad plugs, so that the buffering gap is isolated from the water inlet and the overflow outlet through the rubber pad plugs.

Further, a second sedimentation chamber is arranged above the coarse particle filter plate; the raw water inlet is arranged at the top of the second sedimentation cavity; and the bottom of the second settling cavity is connected with a coarse waste discharge port.

Further, a third sedimentation chamber is arranged between the coarse particle filter plate and the fine particle filter plate; and the bottom of the third settling cavity is connected with a fine waste discharge port.

Further, the bottom of the first sedimentation cavity is connected with a waste liquid discharge port.

Further, the coarse particle filter plate is arranged on the first support plate; the fine particle filter plate is arranged on the second support plate; the adsorption type filter layer is arranged on the third support plate and clamped between the second support plate and the third support plate.

Furthermore, the adsorption type filter layer adopts filter resin as a filter material.

Further, the filtering resin is formed by mixing anion exchange resin and cation exchange resin.

Furthermore, the adsorption filter layer adopts active carbon as a filter material.

Furthermore, the adsorption type filter layer is of a double-layer structure, wherein the upper layer adopts active carbon as a filter material, and the lower layer adopts filter resin as a filter material.

The technical effects of the utility model are as follows: the utility model discloses a five filterable modes, at first through the jumbo size solid particle of coarse grain filter filtration play waste water, then through the small-size solid particle of fine grain filter filtration play waste water, the adsorption type of rethread active carbon and filtration resin filters, cross microparticle and the zwitterion of crossing in the waste water, adopt the filtration of ceramic membrane pipe osmotic pressure mode again at last, it is greater than 10 nanometers's particulate matter to cross in the waste water to filter, thereby ensure that no particulate matter reaches waste water discharge or recycle's standard in the waste water.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Wherein 100 is a first filter and 200 is a second filter;

1 is a filter tank, 111 is a raw water inlet, 112 is a water return port, 113 is a water outlet, 114 is a coarse waste discharge port, 115 is a fine waste outlet, 116 is a waste liquid outlet, 121 is a coarse particle filter plate, 122 is a fine particle filter plate, 123 is an adsorption filter layer, 131 is a first settling chamber, 132 is a second settling chamber, 133 is a third settling chamber, 141 is a first support plate, 142 is a second support plate, and 143 is a third support plate; 21 is a support tube, 211 is a water inlet, 212 is an overflow outlet, 213 is a clear water outlet, 22 is a ceramic membrane tube, 23 is a rubber pad plug, and 24 is a buffer gap; and 3 is a feed pump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a filtering apparatus for wastewater from zirconia production comprises a first filter 100 and a second filter 200 connected to each other.

The first filter 100 is realized by a filter tank 1, and includes the filter tank 1, and a coarse particle filter plate 121, a fine particle filter plate 122, and an adsorption type filter layer 123 provided in the filter tank 1. The coarse particle filtering plate 121, the fine particle filtering plate 122 and the adsorption type filtering layer 123 are respectively disposed on the first support plate 141, the second support plate 142 and the third support plate 143, and are erected in the filter tank 1 through the first support plate 141, the second support plate 142 and the third support plate 143, respectively. A first settling chamber 131 is arranged below the adsorption type filter layer 123. The adsorption type filter layer 123 is sandwiched between the second support plate 142 and the third support plate 143. The fine particle filter plate 122 is disposed above the adsorption type filter layer 123. The coarse particle filter plate 121 is disposed above the fine particle filter plate 122. The first settling chamber 131 is a chamber in the filter tank 1 and is partitioned by the chamber in the filter tank 1. The top end of the filtration tank 1, that is, above the coarse-particle filtration plate 121, is provided with a raw water inlet 111. Therefore, the wastewater entering the filter tank 1 through the raw water inlet 111 is filtered by the coarse particle filter plate 121, the fine particle filter plate 122 and the adsorption filter layer 123 and then enters the first settling chamber 131. The bottom of the first settling chamber 131, that is, the bottom of the filtering tank 1, is provided with a water returning port 112 and a water outlet 113.

The second filter 200 is a pressure-permeable filter having a ceramic membrane tube as a filter element, and includes a support tube 21 and a ceramic membrane tube 22 disposed in the support tube 21. The supporting tube 21 is vertically arranged, the bottom is provided with a water inlet 211, the top is provided with an overflow outlet 212, and the wall of the tube is provided with a clear water outlet 213. The top and bottom of the ceramic membrane tube 22 are disposed inside the support tube 21 by rubber packing 23 such that the ceramic membrane tube 22 is coaxial with the support tube 21 and the ceramic membrane tube 22 is suspended from the support tube 21 such that a buffer gap 24 is provided between the ceramic membrane tube 22 and the support tube 21. The water inlet 211 and the overflow outlet 212 communicate with the ceramic membrane tube 22 at the bottom and the top of the ceramic membrane tube 22, respectively. The buffer gap 24 is communicated with the clean water outlet 213 and is isolated from the water inlet 211 and the overflow outlet 212 by the isolation of the rubber pad plug 23. The water inlet 211 is connected to the water outlet 113 of the first filter 100 through the feed pump 3. The overflow port 212 is connected to the return port 112 of the first filter 100. The wastewater filtered by the three layers of the first filter 100 enters the second filter 200 under the driving of the feeding pump 3 at the water outlet 113, and after the wastewater is filtered by the ceramic membrane tube 22 as the filter element of the second filter 200 in a penetrating manner, the wastewater enters the buffer gap 24, and the filtered clean water flows out from the clean water outlet 213. The waste water overflowing from the overflow outlet 212 at the top of the support pipe 21 and not filtered by the ceramic membrane pipe 22 flows back to the first settling chamber 131 of the first filter 100 through the return water port 112. The feed pump 3 is used to provide osmotic pressure to the ceramic membrane tube 22 in addition to feeding the ceramic membrane tube 22.

In this embodiment, the coarse particle filter 121 is implemented by a filter screen of 20-100 mesh, and the fine particle filter 122 is implemented by a filter screen of 200-600 mesh. The ceramic membrane tube 22 filters micropores 10 nm in diameter to filter the colloids in the wastewater. The adsorption type filter layer 123 may be implemented using a filter resin and/or activated carbon. In this embodiment, the adsorption filter layer 123 preferably has a double-layer structure, in which the upper layer adopts activated carbon as a filter material, and the lower layer adopts filter resin as a filter material. Wherein, the filtering resin adopted by the lower layer structure is formed by mixing anion exchange resin and cation exchange resin, and can adsorb impurity ions in the wastewater generated in the production of zirconia. The activated carbon adopted by the upper layer structure can adsorb ultrafine particles in the wastewater generated in zirconia production.

Further, a second settling chamber 132 is disposed above the coarse particle filtering plate 121. The second settling chamber 132 is a chamber in the filter tank 1, and is partitioned by the chamber in the filter tank 1. The raw water inlet 111 is provided at the top of the second settling chamber 132. A coarse waste discharge port 114 is connected to the bottom of the second settling chamber 132. The coarse reject outlet 114 is used to discharge slag generated by coarse particle filtration.

Further, a third settling chamber 133 is provided between the coarse particle filtering plate 121 and the fine particle filtering plate 122. The third settling chamber 133 is a chamber in the filtration tank 1 and is partitioned by the chamber in the filtration tank 1. A fine reject discharge port 115 is connected to the bottom of the third settling chamber 133. The fine reject outlet 115 is used to discharge slag generated by fine particle filtration.

Further, a waste liquid discharge port 116 is connected to the bottom of the first settling chamber 131. The waste liquid discharge port 116 is used for discharging slag formed by the sedimentation in the first sedimentation chamber 131. When the filter material is replaced, the waste liquid generated by cleaning the filter tank 1 is discharged.

Claims

1. A zirconia production wastewater filtering device is characterized by comprising a first filter (100) and a second filter (200); the first filter (100) comprises a filter tank (1), and a coarse particle filter plate (121), a fine particle filter plate (122) and an adsorption type filter layer (123) which are arranged in the filter tank (1); the fine particle filter plate (122) is arranged above the adsorption type filter layer (123); the coarse particle filter plate (121) is arranged above the fine particle filter plate (122); a raw water inlet (111) is arranged above the coarse particle filter plate (121); a first sedimentation chamber (131) is arranged below the adsorption type filter layer (123); the first sedimentation cavity (131) is provided with a water return port (112) and a water outlet (113); the second filter (200) comprises a support tube (21) and a ceramic membrane tube (22) arranged within the support tube (21); the supporting tube (21) is vertically arranged, the bottom of the supporting tube is provided with a water inlet (211), the top of the supporting tube is provided with an overflow outlet (212), and the wall of the supporting tube is provided with a clean water outlet (213); the water inlet (211) is connected with the water outlet (113) through a feeding pump (3); the overflow outlet (212) is connected with the water return port (112); the ceramic membrane tube (22) is arranged in the support tube (21) in a suspended manner, so that a buffer gap (24) is formed between the ceramic membrane tube (22) and the support tube (21); the buffer gap (24) is communicated with the clear water outlet (213) and is isolated from the water inlet (211) and the overflow outlet (212); the water inlet (211) and the overflow outlet (212) are connected with the ceramic membrane tube (22).

2. The zirconia production wastewater filtering apparatus according to claim 1, wherein the top and bottom of the ceramic membrane tube (22) are disposed inside the support tube (21) by rubber packing (23) so that the buffering gap (24) is isolated from the water inlet (211) and the overflow outlet (212) by the rubber packing (23).

3. The filtering apparatus for wastewater from zirconia production according to claim 1, wherein a second settling chamber (132) is provided above the coarse particle filtration plate (121); the raw water inlet (111) is arranged at the top of the second sedimentation chamber (132); the bottom of the second settling chamber (132) is connected with a coarse waste discharge port (114).

4. The filtering apparatus for wastewater from zirconia production according to claim 1, wherein a third settling chamber (133) is provided between the coarse particle filter plate (121) and the fine particle filter plate (122); the bottom of the third settling chamber (133) is connected with a fine waste discharge port (115).

5. The zirconia production wastewater filtering device according to claim 1, wherein a waste liquid discharge port (116) is connected to the bottom of the first settling chamber (131).

6. The zirconia production wastewater filtering device according to claim 1, wherein the coarse particle filter plate (121) is disposed on a first support plate (141); the fine particle filter plate (122) is disposed on the second support plate (142); the adsorption type filter layer (123) is arranged on a third support plate (143) and clamped between the second support plate (142) and the third support plate (143).

7. The zirconia production wastewater filtering apparatus according to claim 1, wherein the adsorption type filtering layer (123) uses a filtering resin as a filtering material.

8. The zirconia production wastewater filtering apparatus according to claim 1, wherein the adsorption type filtering layer (123) uses activated carbon as a filtering material.

9. The zirconia production wastewater filtering apparatus according to claim 1, wherein the adsorption type filtering layer (123) has a double-layer structure, wherein the upper layer adopts activated carbon as a filtering material, and the lower layer adopts filtering resin as a filtering material.