CN201704115U

CN201704115U - Belt-type press filter

Info

Publication number: CN201704115U
Application number: CN2010202326614U
Authority: CN
Inventors: 蒋新民; 何金忠
Original assignee: JIANGSU WULONG MACHINERY CO Ltd
Current assignee: JIANGSU WULONG MACHINERY CO Ltd
Priority date: 2010-06-22
Filing date: 2010-06-22
Publication date: 2011-01-12
Anticipated expiration: 2020-06-22

Abstract

The utility model relates to a belt-type press filter, which comprises a frame, a sewage feeding device, a transmission device, a filter screen cleaning device, a series of guide rollers, a series of press rollers, a long net, a short net, deviation correction devices, a long net tension roller and a short net tension roller, wherein the series of guide rollers and the series of press rollers are arranged on the frame; the long net and the short net are coated on the series of guide rollers and the series of press rollers; the deviation correction devices are arranged on both sides of the long net and the short net; and the long net tension roller and the short net tension roller are used for respectively tensioning the long net and the short net; both ends of the long net tension roller and the short net tension roller are respectively provided with a long net tension screw rod and a short net tension screw rod; both ends of a common press roller of the long net and the short net are respectively provided with a tension air bag; and the tension air bags are connected with the common press roller by push rods. The belt-type press filter of the utility model can avoid the phenomenon that as the extending lengths of tension air cylinders on both sides of the tension rollers are not inconsistent, the tension rollers are in the inclined state so as to cause a net belt to be deviated toward the side on which the extending length of the tension air cylinders is short, and greatly improves operation reliability of equipment.

Description

Belt filter press

Technical field

The utility model relates to sewage disposal device, relates in particular to a kind of improved belt filter press.

Background technology

Belt filter press is a solid-liquid separating equipment efficient, that move continuously, extensively is adapted to the sludge dewatering in the industry industrial sewages processing such as city domestic sewage, waterworks and fermentation, papermaking, weaving, printing and dyeing.The mud of high-moisture percentage after adding flocculation agent (PAM) reaction, enters belt filter press, under the process squeeze roll effect of a series of S-shaped layouts between the filter screen of two mutual clampings, moisture removal with in the mud is pressed into filter cake, so that the follow-up disposal of mud.

As shown in Figure 1, belt filter press 10 common in the prior art mainly is made up of frame 101, sewage feeding unit 109, transmission mechanism 119 and filter screen washing unit 116 etc., serial guide roller 105, serial squeeze roll 108 are housed on the frame 101, be surrounded by fourdrinier wire 107, short net 114 on series guide roller 105, the serial squeeze roll 108, fourdrinier wire 107, short net 114 under the effect of fourdrinier wire bridle rolls 113 and short net bridle rolls 117, are made continuous cycle rotation by the drive of transmission mechanism 119 respectively.The two ends of fourdrinier wire bridle rolls 113 and short net bridle rolls 117 are respectively equipped with a fourdrinier wire tensioning cylinder 112 and short net tensioning cylinder 115, deviation correcting device 104 is equipped with in both sides at fourdrinier wire 107 and short net 114, as guipure the running engineering in since a variety of causes sideslip to A side (as shown in Figure 2), touch A side deviation correcting device 104, deviation correcting device 104 sends the correction instruction to the rectifying cylinder (fourdrinier wire correction cylinder 102 or short net correction cylinder 110) of this net respectively, rectifying cylinder is being controlled the vergence direction of correction roller (fourdrinier wire correction roller 103 or short net correction roller 111) again, direction of motion and correction roller vergence direction according to guipure (fourdrinier wire 107 or short net 114), can make guipure to the correction of B side, vice versa.Tensioning cylinder (fourdrinier wire tensioning cylinder 112 and short net tensioning cylinder 115), rectifying cylinder (fourdrinier wire correction cylinder 102 and short net correction cylinder 110), deviation correcting device 104 is by compressed air source unit 106 air feed and controlled.Add the reacted sewage of flocculation agent (PAM), enter belt filter press by sewage feeding unit 109, under the serial squeeze roll 108 squeezing effects of the fourdrinier wire 107 of two mutual clampings, 114 a series of S-shaped layouts of process of short net, moisture in the mud is extruded, discharge by water shoot 120, the filter cake after the dehydration is discharged after dumping device 118 and net are peeled off in addition.Entering next cycle after fourdrinier wire 107 after the discharging, short net 114 wash through washing unit 116 continues to recycle.

There is following defective in belt filter press in the above-mentioned prior art.Because the length of fourdrinier wire 107 and short net 114 does not all wait to tens meters at several meters, for fourdrinier wire 107 and short net 114 all turn round under the situation of tensioning, tensioning cylinder must have enough extrusions to regulate, when the tensioning cylinder extrusion in the bridle rolls both sides is consistent (as shown in Figure 3A), bridle rolls can not occur tilting, and rectify a deviation cylinder this moment also can works better.Yet, because cylinder extrusion and pressure, factors such as load are relevant, the situation complexity, be difficult to control, if guipure is inconsistent at the width tensile, add the reason such as inhomogeneous of charging, the length inconsistent (shown in Fig. 3 B) that the tensioning cylinder of bridle rolls both sides is stretched out, make bridle rolls be in heeling condition, thereby cause guipure to the short side sideslip of tensioning cylinder extrusion, at this moment depend deviation correcting device 104 alone, rectifying cylinder can't be with the guipure correction to the normal position, when situation is serious, the malfunctioning guipure that causes of whole deviation-rectifying system will be damaged, and equipment can't run well.

The utility model content

The purpose of this utility model provides a kind of improved belt filter press, to solve the above-mentioned defective that belt filter press exists in the prior art.

In order to achieve the above object, the technical solution of the utility model proposes a kind of belt filter press, comprise: frame (201), sewage feeding unit (209), transmission mechanism (219), filter screen washing unit (216), be located at the serial guide roller (205) on the described frame (201), series squeeze roll (208), be coated on described serial guide roller (205), fourdrinier wire (207) on the described serial squeeze roll (208), short net (214), be located at the deviation correcting device (204) of described fourdrinier wire (207) and described short net (214) both sides, and respectively to described fourdrinier wire (207), described short net (214) is the fourdrinier wire bridle rolls (213) of tensioning in addition, short net bridle rolls (217); The two ends of described fourdrinier wire bridle rolls (213) and described short net bridle rolls (217) are respectively equipped with a fourdrinier wire tensioning screw mandrel (212) and short net tensioning screw mandrel (215); Public squeeze roll (221) two ends at described fourdrinier wire (207) and described short net (214) are provided with a tensioning air bag (223) respectively, and described tensioning air bag (223) connects public squeeze roll (221) by push rod (222).

Also comprise in the above-mentioned belt filter press: fourdrinier wire correction cylinder (202) that is connected with described deviation correcting device (204) and short net correction cylinder (210); Described fourdrinier wire correction cylinder (202), described short net correction cylinder (210) also are connected with fourdrinier wire correction roller (203), short net correction roller (211) respectively.

Also comprise in the above-mentioned belt filter press: compressed air source unit (206) is connected respectively with described deviation correcting device (204), described fourdrinier wire correction cylinder (202), described short net correction cylinder (210).

Also comprise in the above-mentioned belt filter press: washing unit (216), dumping device (218) and water shoot (220).

The belt filter press that technical solutions of the utility model provide, by being set, tensioning screw mandrel and tensioning air bag substitute tensioning cylinder of the prior art, can avoid occurring because bridle rolls both sides tensioning cylinder extrusion is inconsistent, and make bridle rolls be in heeling condition, and then cause the phenomenon of guipure to the short side sideslip of tensioning cylinder extrusion, improved the serviceability of equipment widely.

Description of drawings

Fig. 1 is the structural representation of belt filter press in the prior art;

The deviation phenomenon synoptic diagram that Fig. 2 takes place in belt filter press running engineering for guipure;

The deviation phenomenon synoptic diagram of guipure when Fig. 3 A～3B is respectively tensioning cylinder extrusion unanimity (Fig. 3 A) and inconsistent (Fig. 3 B) in the belt filter press of prior art;

Fig. 4 is the structural representation of the utility model belt filter press.

Embodiment

Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.

Fig. 4 is the example structure synoptic diagram of the utility model belt filter press, and as shown in the figure, the belt filter press 20 of present embodiment comprises with lower member: frame 201, sewage feeding unit 209, transmission mechanism 219, filter screen washing unit 216; Be located at serial guide roller 205, serial squeeze roll 208 on the frame 201; Be coated on the fourdrinier wire 207 on serial guide roller 205, the serial squeeze roll 208, short net 214; Be located at the deviation correcting device 204 of fourdrinier wire 207 and short net 214 both sides; And respectively to fourdrinier wire 207,214 in addition fourdrinier wire bridle rolls 213, the short net bridle rolls 217 of tensioning, fourdrinier wire 207, short net 214 under the effect of fourdrinier wire bridle rolls 213 and short net bridle rolls 217, are made continuous cycle rotation by the drive of transmission mechanism 219 respectively; Fourdrinier wire correction cylinder 202 that is connected with deviation correcting device 204 and short net correction cylinder 210; Fourdrinier wire correction cylinder 202, short net correction cylinder 210 also are connected with fourdrinier wire correction roller 203, short net correction roller 211 respectively; Compressed air source unit 206 is connected respectively with deviation correcting device 204, fourdrinier wire correction cylinder 202, short net correction cylinder 210 and it is carried out air feed; And washing unit 216, dumping device 218 and water shoot 220 etc.

With in the prior art similarly, if guipure the running engineering in since a variety of causes sideslip to the A side, touch A side deviation correcting device 204, deviation correcting device 204 sends the correction instruction to the rectifying cylinder (fourdrinier wire correction cylinder 202 or short net correction cylinder 210) of this net respectively, rectifying cylinder is being controlled the vergence direction of correction roller (fourdrinier wire correction roller 203 or short net correction roller 211) again, direction of motion and correction roller vergence direction according to guipure (fourdrinier wire 207 or short net 214), can make guipure to the correction of B side, vice versa.

Equally, add the reacted sewage of flocculation agent (PAM), enter belt filter press by sewage feeding unit 209, under the serial squeeze roll 208 squeezing effects of the fourdrinier wire 207 of two mutual clampings, 214 a series of S-shaped layouts of process of short net, moisture in the mud is extruded, discharge by water shoot 220, the filter cake after the dehydration is discharged after dumping device 218 and net are peeled off in addition.In addition, entering next cycle after the fourdrinier wire after the discharging 207, short net 214 wash through washing unit 216 continues to recycle.

The main improvement of the utility model belt filter press is embodied in: the two ends of fourdrinier wire bridle rolls 213 and short net bridle rolls 217 are respectively equipped with a fourdrinier wire tensioning screw mandrel 212 and short net tensioning screw mandrel 215; Public squeeze roll 221 two ends at fourdrinier wire 207 and short net 214 also are provided with a tensioning air bag 223 respectively, and tensioning air bag 223 push rods 222 connect public squeeze roll 221.Thereby promote public squeeze roll 221 with the guipure tensioning by push rod 222 by tensioning air bag 223.Because the tensioning screw mandrel can very correctly be regulated length, and the stroke of air bag 222 is more much smaller than cylinder far away,, leave a very little part and carry out elastic tension for 223 pairs of guipures of tensioning air bag so the length of most of guipure can be regulated by the tensioning screw mandrel.This just can not produce because the length that the tensioning cylinder of bridle rolls both sides stretches out is inconsistent, makes bridle rolls be in heeling condition, thereby causes the phenomenon of guipure to the short side sideslip of tensioning cylinder extrusion, therefore can improve the serviceability of equipment widely.

More than be preferred forms of the present utility model, according to the disclosed content of the utility model, those of ordinary skill in the art can expect some identical, replacement schemes apparently, all should fall into the scope of the utility model protection.

Claims

1. belt filter press, comprise: frame (201), sewage feeding unit (209), transmission mechanism (219), filter screen washing unit (216), be located at the serial guide roller (205) on the described frame (201), series squeeze roll (208), be coated on described serial guide roller (205), fourdrinier wire (207) on the described serial squeeze roll (208), short net (214), be located at the deviation correcting device (204) of described fourdrinier wire (207) and described short net (214) both sides, and respectively to described fourdrinier wire (207), described short net (214) is the fourdrinier wire bridle rolls (213) of tensioning in addition, short net bridle rolls (217); It is characterized in that the two ends of described fourdrinier wire bridle rolls (213) and described short net bridle rolls (217) are respectively equipped with a fourdrinier wire tensioning screw mandrel (212) and short net tensioning screw mandrel (215); Public squeeze roll (221) two ends at described fourdrinier wire (207) and described short net (214) are provided with a tensioning air bag (223) respectively, and described tensioning air bag (223) connects public squeeze roll (221) by push rod (222).

2. belt filter press as claimed in claim 1 is characterized in that, also comprises: fourdrinier wire correction cylinder (202) that is connected with described deviation correcting device (204) and short net correction cylinder (210); Described fourdrinier wire correction cylinder (202), described short net correction cylinder (210) also are connected with fourdrinier wire correction roller (203), short net correction roller (211) respectively.

3. belt filter press as claimed in claim 2 is characterized in that, also comprises: compressed air source unit (206) is connected respectively with described deviation correcting device (204), described fourdrinier wire correction cylinder (202), described short net correction cylinder (210).

4. belt filter press as claimed in claim 1 is characterized in that, also comprises: washing unit (216), dumping device (218) and water shoot (220).