TWI392536B - Filter press having filter clothes with electrodes and filter clothes with electrodes thereof - Google Patents

Description

Filter press using a filter cloth set having electrodes and a filter cloth group having electrodes

The present invention relates to a filter press, and more particularly to a filter press using a filter cloth set having electrodes.

As shown in Fig. 1, the conventional filter press 10 of the Republic of China Patent No. M375543 includes at least a plurality of filter plates 11 and a plurality of filter cloth running devices 12, which are arranged side by side on a machine (not shown). The filter plate 11 is formed with a filter chamber (not shown), and an oil pressure system (not shown) is disposed on the machine to drive the filter plates 11 to close and open. The filter cloth running device 12 is disposed on the filter plates 11 and hangs a filter cloth (not shown), and each of the filter cloth running devices 12 has an upper assembly piece 12a and a lower assembly piece 12b. The filter cloth running device 12 is disposed on the filter plates 11 by the upper assembly pieces 12a and the lower assembly pieces 12b coupled to the two side edges of the filter plates 11, and is disposed on the upper assembly piece 12a. There is a filter plate support member 12c, and the machine table is provided with a guide rail relative to the filter plate support member 12c so that the dewatered sludge cake can be easily removed from the filter cloth by the filter cloth running device 12. However, the filter press 10 does not have the function of increasing sludge dewatering rate and adsorbing/removing heavy metal ions and other ions in the wastewater sludge, so as to form a sludge cake with low water content and remove heavy metal ions and other ions in the wastewater. The function cannot meet the current environmental protection needs of the industry.

The main object of the present invention is to provide a filter press using a filter cloth set having electrodes, comprising at least one first filter plate, at least one second a filter plate, at least one filter cloth group having electrodes, an anode electric conduction member and a cathode electric conduction member, the first filter plate having a first groove, the second filter plate having a first concave surface facing the first concave plate a second groove of the groove, the filter cloth assembly having an electrode includes a first filter cloth and a second filter cloth, the first filter cloth covering the first groove of the first filter plate, the first The filter cloth has a first substrate and a first electrode layer, the second filter cloth covers the second groove of the second filter plate, and the second filter cloth has a second substrate and a first The second electrode layer is electrically connected to the first electrode layer, and the cathode electrical conductor is electrically connected to the second electrode layer. When the wastewater sludge to be treated enters a filter press using a filter cloth group having electrodes, the electric filter is generated by the filter cloth group having the electrodes, the sludge dewatering rate is increased, and the heavy metal ions in the wastewater sludge are adsorbed/removed. And other ions, so as to form a low moisture content sludge cake and remove heavy metal ions and other ions in the wastewater.

Referring to FIG. 2, which is a preferred embodiment of the present invention, a filter press 100 using a filter cloth set having electrodes includes at least a first filter plate 110, at least a second filter plate 120, and at least one a filter cloth set 130 having an electrode, an anode electric conduction member 140, a cathode electric conduction member 150, at least one filter frame 160, a driving device 170, and at least one filter chamber S, wherein the filter frame 160 is compatible with the first The filter plate 110 or the second filter plate 120 is integrally formed. The first filter plate 110 has a first groove 111, a plurality of first columns 112 and a first guide between the first columns 112. The water channel 113, the second filter plate 120 has a second groove 121 facing the first groove 111, a plurality of second columns 122, and a second water conduit 123 between the second columns 122. The filter cloth set 130 having electrodes includes a first a filter cloth 131 and a second filter cloth 132 covering the first groove 111 of the first filter plate 110. The first filter cloth 131 has a first substrate 131a and a first substrate The first electrode layer 131b has a plurality of first water filtering holes 131c penetrating the first electrode layer 131b. In this embodiment, the first substrate 131a has a first filtering layer. 131d and a second filter layer 131e, the first electrode layer 131b is located between the first filter layer 131d and the second filter layer 131e, and the thickness of the first filter layer 131d and the second filter layer 131e is Between 0.5 cm and 1.0 cm, the second filter cloth 132 covers the second groove 121 of the second filter plate 120. The second filter cloth 132 has a second substrate 132a and a second electrode. The material of the first substrate 131a and the second substrate 132a may be selected from the group consisting of cotton, hemp, wool, silk, asbestos fibers, glass fibers and other synthetic fibers, and the second electrode layer 132b has a plurality of second water filtering holes 132c penetrating the second electrode layer 132b, and apertures of the first water filtering holes 131c and the second water filtering holes 132c The second substrate 132a has a third filter layer 132d and a fourth filter layer 132e, and the second electrode layer 132b is located in the third filter layer. Between 132d and the fourth filter layer 132e, the thickness of the third filter layer 132d and the fourth filter layer 132e is between 0.5 cm and 1.0 cm. Preferably, the first electrode layer 131b and the first The second electrode layer 132b is a mesh structure, so that the filter press 100 using the filter cloth group having the electrodes has good wastewater treatment efficiency, and the materials of the first electrode layer 131b and the second electrode layer 132b can be Activated carbon, graphite, copper, aluminum, tungsten or other conductive materials.

In addition, the thickness of the first electrode layer 131b and the second electrode layer 132b The anode electrically conductive member 140 is electrically connected to the first electrode layer 131b, and the cathode electrical conductor 150 is electrically connected to the second electrode layer 132b. The filter frame 160 is electrically connected to the second electrode layer 132b. The first filter cloth 131 is located between the first filter plate 110 and the filter frame 160. The second filter is located between the first filter plate 110 and the second filter plate 160. The cloth 132 is located between the second filter plate 120 and the filter frame 160. In the embodiment, the first filter cloth 131 is provided with the first filter plate 110 and the other first filter cloth 131 is ring-shaped. Another first filter plate 110 and another second filter plate 120, the second filter cloth 132 is provided with the second filter plate 120 and the other second filter cloth 132 is provided with another second filter plate 120 and The first filter plate 110, the driving device 170 fixes the first filter plate 110, the second filter plate 120 and the filter frame 160, so that the first filter plate 110, the second filter plate 120 and The filter chamber S is formed between the filter frames 160 to accommodate the wastewater sludge and subjected to dehydration treatment.

Next, referring to FIG. 2, the wastewater sludge to be treated is introduced into the filter chamber S to perform a dehydration treatment process. In the embodiment, the first filter plate 110 further includes a first inlet hole. 114, the filter frame 160 includes a communication hole 161, the communication hole 161 is connected to the first inlet hole 114 and the filter chamber S, and the wastewater sludge to be treated is passed through the first inlet hole 114 and The communication hole 161 is filled in the filter chamber S and subjected to a dehydration process. The second filter plate 120 further includes a second inlet hole 124. The second filter plate 120 and the first filter plate 110 can be back to back. The first inlet hole 114 is in communication with the second inlet hole 124, so that the wastewater sludge to be treated can be filled with the first inlet hole 114 and the first inlet hole 114. a filter chamber S, after which the sludge cake after dehydration is attached to the The first filter cloth 131 and the second filter cloth 132 are used to facilitate the use of the filter press 100 having the filter cloth set with electrodes to remove the sludge cake, and since the first filter cloth 131 and the second filter cloth 132 are respectively The first electrode layer 131b and the second electrode layer 132b are provided. Therefore, after the wastewater sludge to be treated enters the filter press 100 using the filter cloth group having electrodes, the filter cloth set 130 having the electrodes can be utilized. Produce electric power phenomenon to improve sludge dewatering rate and adsorb/remove heavy metal ions and other ions in wastewater sludge, so as to form sludge cake with low water content and remove heavy metal ions and other ions in wastewater, which is easy to operate And the advantages of effective wastewater sludge treatment procedures, and the moisture content of the treated sludge cake can be further reduced by about 20 to 25%, which can greatly reduce the cost of subsequent sludge cake removal and treatment, and can also reduce the filtrate pair. The dangers of the environment.

Or, referring to FIG. 3 , in another preferred embodiment, the first substrate 131 a of the first filter cloth 131 and the second substrate 132 a of the second filter cloth 132 are fiber materials. The first electrode layer 131b and the second electrode layer 132b are electrically conductive materials, and the first filter cloth 131 is woven from the first substrate 131a and the first electrode layer 131b, and the second filter cloth 132 is composed of The second substrate 132a and the second electrode layer 132b are woven to form the filter cloth set 130 having electrodes.

Referring to FIG. 4, which is still another embodiment of the present invention, the difference from the embodiment of FIG. 2 is that the filter press 100 using the filter cloth set having electrodes only includes a first filter plate. 110, a second filter plate 120, a filter cloth set 130 having electrodes, an anode electric conduction member 140, a cathode electric conduction member 150, a filter frame 160, a driving device 170 and a filter chamber S, due to the use The filter press 100 with the filter cloth set of electrodes only contains a single a first filter plate 110, a single second filter plate 120, a single filter cloth set 130 having electrodes, a single anode electric conduction member 140, a single cathode electric conduction member 150, a single filter frame 160, a single driving device 170, and a single filter chamber Therefore, the filter press 100 using the filter cloth group having electrodes is small in volume, and can be applied to a small-scale wastewater treatment and has a cost-saving effect.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

10‧‧‧ filter press

11‧‧‧ filter plate

12‧‧‧Filter cloth running device

12a‧‧‧Upper assembly

12b‧‧‧Under assembly

12c‧‧‧Filter plate support

100‧‧‧Filter press using a filter cloth set with electrodes

110‧‧‧First filter plate

111‧‧‧First groove

112‧‧‧First cylinder

113‧‧‧First water channel

114‧‧‧First Inlet

120‧‧‧Second filter plate

121‧‧‧second groove

122‧‧‧Second cylinder

123‧‧‧Second water channel

124‧‧‧Second inlet hole

130‧‧‧Filter cloth set with electrodes

131‧‧‧First filter cloth

131a‧‧‧First substrate

131b‧‧‧first electrode layer

131c‧‧‧First drainage hole

131d‧‧‧First filter layer

131e‧‧‧Second filter

132‧‧‧Second filter cloth

132a‧‧‧Second substrate

132b‧‧‧Second electrode layer

132c‧‧‧Second water filter hole

132d‧‧‧ third filter

132e‧‧‧fourth filter layer

140‧‧‧Anode Conductor

150‧‧‧Cathode Conductor

160‧‧‧ filter frame

161‧‧‧Connected holes

170‧‧‧ drive

S‧‧ filter room

Figure 1: Schematic diagram of a conventional filter press.

Figure 2 is a schematic view of a filter press using a filter cloth set having electrodes in accordance with a preferred embodiment of the present invention.

Figure 3 is a schematic view of another filter cloth set having electrodes in accordance with another preferred embodiment of the present invention.

Figure 4 is a schematic view of another filter press using a filter cloth set having electrodes in accordance with still another preferred embodiment of the present invention.

100‧‧‧Filter press using a filter cloth set with electrodes

110‧‧‧First filter plate

111‧‧‧First groove

112‧‧‧First cylinder

113‧‧‧First water channel

114‧‧‧First Inlet

120‧‧‧Second filter plate

121‧‧‧second groove

122‧‧‧Second cylinder

123‧‧‧Second water channel

124‧‧‧Second inlet hole

130‧‧‧Filter cloth set with electrodes

131‧‧‧First filter cloth

131a‧‧‧First substrate

131b‧‧‧first electrode layer

131c‧‧‧First drainage hole

131d‧‧‧First filter layer

131e‧‧‧Second filter

132‧‧‧Second filter cloth

132a‧‧‧Second substrate

132b‧‧‧Second electrode layer

132c‧‧‧Second water filter hole

132d‧‧‧ third filter

132e‧‧‧fourth filter layer

140‧‧‧Anode Conductor

150‧‧‧Cathode Conductor

160‧‧‧ filter frame

161‧‧‧Connected holes

170‧‧‧ drive

S‧‧ filter room

Claims (13)

A filter press using a filter cloth set having electrodes, comprising at least: a first filter plate having a first groove; and at least a second filter plate having a first groove facing the first groove a second groove; at least one filter cloth set having an electrode, comprising: a first filter cloth covering the first groove of the first filter plate, the first filter cloth having a first a substrate and a first electrode layer; and a second filter cloth covering the second groove of the second filter plate, the second filter cloth having a second substrate and a second electrode layer; An anode electrical conduction member electrically connected to the first electrode layer; a cathode electrical conduction member electrically connected to the second electrode layer; and at least one filter frame located at the first filter plate and the Between the second filter plates. The filter press using the filter cloth set with electrodes according to claim 1, wherein the first substrate has a first filter layer and a second filter layer, and the first electrode layer is located in the filter press. Between the first filter layer and the second filter layer, the second substrate has a third filter layer and a fourth filter layer, and the second electrode layer is located at the third filter layer and the fourth filter layer. between. The filter press using the filter cloth set with electrodes according to claim 1, wherein the first electrode layer has a plurality of first water filtering holes penetrating the first electrode layer, the second electrode layer The system has a plurality of second water filtering holes penetrating the second electrode layer. The filter press using the filter cloth group with electrodes according to claim 3, wherein the first water filter holes and the second water filter holes have a pore diameter of between 0.3 cm and 0.5 cm. . The filter press using the filter cloth set with electrodes according to claim 1, wherein the first substrate and the second substrate are fiber materials, the first electrode layer and the second electrode layer. The first filter cloth is woven from the first substrate and the first electrode layer, and the second filter cloth is woven from the second substrate and the second electrode layer. The filter press using the filter cloth set with electrodes according to claim 1, wherein the first electrode layer and the second electrode layer are made of activated carbon, graphite, copper, aluminum, tungsten or the like. Conductive material. The filter press using the filter cloth set with electrodes according to claim 2, wherein the first filter layer and the second filter layer have a thickness of between 0.5 cm and 1.0 cm. The filter press using the filter cloth set with electrodes according to the second aspect of the invention, wherein the thickness of the third filter layer and the fourth filter layer is between 0.5 cm and 1.0 cm. A filter press using a filter cloth set having electrodes according to claim 1, wherein the first electrode layer and the second electrode layer have a thickness of between 1.0 cm and 5.0 cm. A filter press using a filter cloth set having electrodes according to the first aspect of the invention, wherein the first electrode layer and the second electrode layer are in a mesh structure. A filter press using a filter cloth set having electrodes according to claim 1, wherein the first filter cloth is located between the first filter plate and the filter frame. A filter press using a filter cloth set having electrodes according to claim 1, wherein the second filter cloth is located between the second filter plate and the filter frame. A filter cloth assembly having an electrode, comprising: a first filter cloth having a first substrate and a first electrode layer, the first substrate having a first filter layer and a second filter Layer, the first electrode a layer between the first filter layer and the second filter layer; and a second filter cloth having a second substrate and a second electrode layer, the second substrate having a third filter And a fourth filter layer, the second electrode layer is located between the third filter layer and the fourth filter layer.