阅读说明：本技术 一种过滤网浸没水洗式的造纸过滤装置 (filter screen immersion water washing type papermaking filter device ) 是由 徐园 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种过滤网浸没水洗式的造纸过滤装置,回收槽的左侧壁上成型有回收进口；左竖直板的右端面上端固定有自左向右倾斜向下设置的过滤支架；过滤支架的右端穿过回收进口；过滤支架的上端面成型有过滤槽；过滤支架的下端面上成型有前后贯穿的滤网安置槽；滤网安置槽的右部与过滤槽连通；支撑平台的上端面上设置有落水槽；落水槽为上端面成型有矩形槽状的储水槽的长方体；过滤网清洗装置包括一对同步升降设置在储水槽内并且前后对称设置的“凵”字形的过滤网支撑座；一对过滤网支撑座的右侧的竖直部上端之间旋转设置有过滤网。(The invention discloses a filter screen immersion water washing type papermaking filter device, wherein a recovery inlet is formed in the left side wall of a recovery tank, a filter support which is obliquely and downwardly arranged from left to right is fixed at the upper end of the right end face of a left vertical plate, the right end of the filter support penetrates through the recovery inlet, a filter tank is formed in the upper end face of the filter support, a filter screen accommodating tank which penetrates through the lower end face of the filter support from front to back is formed in the lower end face of the filter support, the right part of the filter screen accommodating tank is communicated with the filter tank, a water falling tank is arranged on the upper end face of a support platform and is a cuboid of a rectangular water storage tank formed in the upper end face of the support platform, the filter screen cleaning device comprises pairs of filter screen supporting seats which are symmetrically arranged in the water storage tank from front to back in a lifting mode, and a filter screen is rotatably arranged.)

The papermaking filtering device with the immersed filter screen washing type is characterized by comprising a cuboid-shaped supporting platform (10) and a filter screen washing device (20), a plurality of supporting legs (11) which are uniformly distributed are arranged on the bottom surface of the supporting platform (10), a left vertical plate (12) is formed at the left end of the upper end surface of the supporting platform (10), a cuboid-shaped pulp recovery tank (13) is fixed at the right end of the upper end surface of the supporting platform (10), a rectangular groove-shaped recovery tank (130) is formed inside the pulp recovery tank (13), a recovery inlet (1300) is formed on the left side wall of the recovery tank (130), a filtering bracket (16) which is obliquely and downwards arranged from left to right is fixed at the upper end of the right end surface of the left vertical plate (12), the right end of the filtering bracket (16) penetrates through the recovery inlet (1300) to extend into the recovery tank, a filtering tank (160) is formed at the upper end surface of the filtering bracket (16), the right end surface of the filtering tank (160) is not sealed, a filter screen placing groove (1600) is formed at the lower end surface of the filtering groove (140), when the filter screen placing groove (23) is positioned above the filter screen washing device (140), the filter screen placing groove (23), the filter screen (140), the filter screen placing groove (23) is positioned above the filter screen placing groove (140), the filter screen placing groove (23), the filter screen is positioned in a water storage groove (23), the filter screen placing groove (140), the filter screen placing groove (3632) is positioned at the upper end surface of the filter screen placing groove (140), the filter screen is positioned at the upper end surface of the.

2. The filter screen immersion water washing type papermaking filter device as claimed in claim 1, wherein a water inlet hole (1400) is formed in the center of the upper portion of the front side wall of the water storage tank (140), a water outlet hole is formed in the center of the upper end of the rear side wall, the water inlet hole (1400) is connected with an external water supply device, the water outlet hole is connected with an external water outlet collecting device, the water inlet hole (1400) and the water outlet hole are opposite to each other in the front-rear direction, and when the filter screen (23) is located at the lowermost end, the water inlet hole (1400) and the water outlet hole are located on the upper side.

3. The filter screen immersion water washing type papermaking filter device according to claim 1, wherein a rotary motor is fixed to a rear end face of a left vertical portion of a filter screen support base (22) on the rear side, a rotary center post (24) is pivoted between pairs of upper ends of the left vertical portions of the filter screen support base (22), a rear end of the rotary center post (24) is fixedly connected with an output shaft of the rotary motor, swing drive plates (25) are fixed to front and rear ends of the rotary center post (24), pairs of swing drive plates (25) are symmetrically arranged in the front and rear direction and are provided with long hole-shaped swing drive holes (250), cylindrical swing center posts (231) are respectively formed at left and right ends of the front and rear end faces of the filter screen (23), pairs of swing center posts (231) on the left side are slidably arranged in the swing drive holes (250) on the corresponding side, and pairs of swing center posts (231) on the right side are respectively pivoted at upper ends of right vertical portions of pairs.

4. The filter screen immersion water washing type papermaking filter device according to claim 1, wherein front and rear ends of the water falling tank (14) exceed front and rear end faces of the support platform (10), pairs of lifting cylinders (21) are respectively fixed to the front and rear ends of the lower end face of the water falling tank (14), the filter screen support seats (22) are fixed to upper ends of piston rods of pairs of lifting cylinders (21) on corresponding sides, and the four lifting cylinders (21) perform lifting reciprocating motion and synchronous motion.

5. The filter screen immersion water washing type papermaking filter device according to claim 1, wherein a downpipe (141) is provided on a bottom surface of the downpipe tank (14), and a downpipe solenoid valve (142) is provided on the downpipe (141).

6. The filter screen immersion water washing type papermaking filter device according to claim 1, wherein a recovery pipe (131) is provided on a bottom surface of the pulp recovery tank (13), and a recovery solenoid valve (132) is provided on the recovery pipe (131).

7. The filter screen immersion water washing type papermaking filter device according to claim 1, wherein a cuboid feed box (15) is formed at the upper end of the left vertical plate (12), a feed storage tank (150) is arranged in the feed box (15), a feed inlet (1500) is formed on the upper side wall of the feed storage tank (150), a feed outlet (1501) is formed on the lower side wall of the feed storage tank (150), the feed outlet (1501) is located right above the left end of the filter tank (160), and a sealing plate (151) used for sealing and opening the feed outlet (1501) is inserted into the feed outlet (1501).

Technical Field

The invention relates to the field of papermaking machinery, in particular to an filter screen immersion water washing type papermaking filter device.

Background

The pulping and filtering device of the papermaking machine is a device for filtering water in paper pulp, can control the concentration of the paper pulp, in the middle of a papermaking process, very important steps are carried out, the filtering effect can seriously influence the quality of the paper finally, the most common mode used by the pulping and filtering device of the papermaking machine at present is an inclined vertical screen frame type recovery method, so the pulping and filtering device is popularized because the mode does not need to provide power additionally, the pulping effect of filtering partial water can be achieved in the process of downward flowing from a filter screen under the action of gravity, the pulping and filtering device of the existing papermaking machine has the defect of fixed in use, the filter surface is easily stuck by slurry in the filtering process, the filter screen port can be seriously blocked, the normal use is influenced, the residual pulping and cleaning on the device are inconvenient, a large amount of manpower and material resources can be wasted in the treatment process, and the influence of fixed in the use process is brought.

Disclosure of Invention

The invention aims to solve the technical problem that a filter screen of the existing pulping filter device is difficult to clean after being blocked, and provides an filter screen immersion water washing type papermaking filter device.

The technical scheme includes that the filter screen immersion water washing type papermaking filter device comprises a cuboid-shaped supporting platform and a filter screen cleaning device, a plurality of supporting legs which are uniformly distributed are arranged on the bottom surface of the supporting platform, a left vertical plate is formed at the left end of the upper end surface of the supporting platform, a cuboid-shaped paper pulp recovery box is fixed at the right end of the upper end surface of the supporting platform, a rectangular-groove-shaped recovery tank is formed inside the paper pulp recovery box, a recovery inlet is formed in the left side wall of the recovery tank, a filter support which is obliquely and downwards arranged from left to right is fixed at the upper end of the right end surface of the left vertical plate, the right end of the filter support penetrates through the recovery inlet and extends into the recovery tank, a filter groove is formed in the upper end surface of the filter support, the right end of the filter groove is not sealed, a filter screen accommodating groove which penetrates through the front and back is formed in the lower end surface of the filter support, a water falling groove is arranged in the upper end surface of the support platform, a cuboid-groove which is a water storage groove with a rectangular-groove with a water storage groove with the filter screen, when the filter screen accommodating groove is positioned above the filter screen, the filter screen is positioned in a supporting seat which is positioned above the filter screen, and the filter screen is positioned in the water storage groove, and when the filter screen is positioned in the supporting seat, and the filter screen is positioned in a maximum size of the filter screen, and.

Preferably, a water inlet is formed in the center of the upper part of the front side wall of the water storage tank, and a water outlet is formed in the center of the upper end of the rear side wall of the water storage tank; the water inlet hole is connected with an external water supply device; the water outlet hole is connected with an external water outlet collecting device; the water inlet hole and the water outlet hole are opposite to each other in front and back; when the filter screen is located the bottom, inlet opening and apopore are located the upside of filter screen.

Preferably, a rotary motor is fixed on the rear end face of the left vertical portion of the rear filter screen supporting seat, a rotary central column is pivoted between the upper ends of the left vertical portions of the filter screen supporting seats, the rear end of the rotary central column is fixedly connected with an output shaft of the rotary motor, a swing driving plate is fixed at the front and rear ends of the rotary central column, swing driving holes in long hole shapes are symmetrically arranged in the front and rear of the swing driving plate, cylindrical swing central columns are respectively formed at the left end and the right end of the front and rear end faces of the filter screen, swing central columns at the left side are arranged in the swing driving holes at the corresponding sides in a sliding mode, and swing central columns at the right side are respectively pivoted at the upper ends of the right vertical portions of the filter.

Preferably, the front end and the rear end of the water falling groove exceed the front end face and the rear end face of the supporting platform, pairs of lifting cylinders which are symmetrically arranged left and right are respectively fixed at the front end and the rear end of the lower end face of the water falling groove, the filter screen supporting seat is fixed at the upper end of a piston rod of pairs of lifting cylinders at the corresponding side, and the four lifting cylinders perform lifting reciprocating motion and synchronous motion.

Preferably, a downpipe is arranged on the bottom surface of the downpipe groove; the downpipe is provided with a downpipe electromagnetic valve.

Preferably, a recovery pipe is arranged on the bottom surface of the pulp recovery tank; the recovery electromagnetic valve is arranged on the recovery pipe.

Preferably, a cuboid feeding box is formed at the upper end of the left vertical plate; a feeding storage tank is arranged in the feeding box; a feeding hole is formed on the upper side wall of the feeding storage tank, and a feeding outlet is formed on the lower side wall of the feeding storage tank; the feeding outlet is positioned right above the left end of the filter tank; a closing plate for closing and opening the feeding outlet is inserted in the feeding outlet.

The invention has the beneficial effects that: simple structure through the submergence in aqueous and reciprocal lift washing filter screen, the cleaning efficiency is high, is favorable to improving filtering work efficiency.

Drawings

Fig. 1 is a schematic structural view of a cross section of the present invention.

In the figure, 10, a support platform; 11. supporting legs; 12. a left vertical plate; 13. a paper pulp recovery tank; 130. a recovery tank; 1300. a recovery inlet; 131. a recovery pipe; 132. recovering the electromagnetic valve; 14. a water falling groove; 140. a water storage tank; 1400. a water inlet hole; 141. a downpipe; 142. a water falling electromagnetic valve; 15. a feeding box; 150. a feed storage tank; 1500. a feed inlet; 1501. a feed outlet; 151. a closing plate; 16. a filtration rack; 160. a filter tank; 1600. a filter screen placing groove; 20. a filter screen cleaning device; 21. a lifting cylinder; 22. a filter screen supporting seat; 23. a filter screen; 231. a swinging center post; 24. rotating the central column; 25. oscillating a drive plate; 250. the drive aperture is oscillated.

Detailed Description

As shown in figure 1, the filter screen immersion water washing type papermaking filter device comprises a cuboid-shaped supporting platform 10 and a filter screen cleaning device 20, a plurality of supporting legs 11 which are uniformly distributed are arranged on the bottom surface of the supporting platform 10, a left vertical plate 12 is formed at the left end of the upper end surface of the supporting platform 10, a cuboid-shaped pulp recovery tank 13 is fixed at the right end of the upper end surface of the supporting platform 10, a rectangular groove-shaped recovery tank 130 is formed inside the pulp recovery tank 13, a recovery inlet 1300 is formed on the left side wall of the recovery tank 130, a filter support 16 which is obliquely arranged from left to right is fixed at the upper end of the right end surface of the left vertical plate 12, the right end of the filter support 16 penetrates through the recovery inlet 1300 and extends into the recovery tank, a filter tank 160 is formed on the upper end surface of the filter support 16, the right end surface of the filter tank 160 is not sealed, a filter screen accommodating groove 1600 which penetrates through from front to back is formed on the lower end surface of the filter support 16, the right portion of the filter screen accommodating groove 1600 is communicated with the filter tank 160, a water storage tank 14 is arranged on the upper end surface of the supporting platform 10, when the filter screen 23 is positioned at the size of the filter screen 140, the filter screen lifting and the filter screen 23, the filter screen 23 is positioned in a position where the filter screen lifting water storage tank 23 and the filter screen 140 is positioned symmetrically, and the filter screen 22 is positioned above the filter screen 23, and the filter screen lifting device 20 is positioned symmetrically, and the filter screen 23 is positioned in the filter screen 23, and the filter screen lifting water.

As shown in fig. 1, a water inlet 1400 is formed at the center of the upper portion of the front sidewall of the water storage tank 140, and a water outlet is formed at the center of the upper end of the rear sidewall; the water inlet 1400 is connected with an external water supply device; the water outlet hole is connected with an external water outlet collecting device; the water inlet 1400 and the water outlet are opposite front and back; when the filter screen 23 is located at the lowermost end, the water inlet 1400 and the water outlet are located at the upper side of the filter screen 23.

As shown in FIG. 1, a rotary motor is fixed on the rear end face of the left vertical portion of the rear filter screen support seat 22, a rotary central column 24 is pivoted between and the upper end of the left vertical portion of the filter screen support seat 22, the rear end of the rotary central column 24 is fixedly connected with an output shaft of the rotary motor, a swing drive plate 25 is fixed on the front end and the rear end of the rotary central column 24, swing drive holes 250 with long hole shapes are symmetrically arranged in front and rear of the swing drive plate 25, cylindrical swing central columns 231 are respectively formed at the left end and the right end of the front end face and the rear end face of the filter screen 23, on the left side is slidably arranged in the swing drive holes 250 on the corresponding side, and on the right side is pivoted at the upper end of the right vertical portion of on the filter.

As shown in figure 1, the front end and the rear end of the water falling groove 14 exceed the front end and the rear end of the supporting platform 10, pairs of lifting cylinders 21 which are symmetrically arranged left and right are respectively fixed at the front end and the rear end of the lower end of the water falling groove 14, a filter screen supporting seat 22 is fixed at the upper end of a piston rod of pairs of lifting cylinders 21 at the corresponding side, and the four lifting cylinders 21 move up and down in a reciprocating manner and are synchronously actuated.

As shown in fig. 1, a downpipe 141 is disposed on the bottom surface of the downpipe groove 14; the downpipe 141 is provided with a downpipe electromagnetic valve 142.

As shown in fig. 1, a recovery pipe 131 is provided on the bottom surface of the pulp recovery tank 13; the recovery solenoid valve 132 is provided in the recovery pipe 131.

As shown in fig. 1, a rectangular parallelepiped feeding box 15 is formed at the upper end of the left vertical plate 12; a feed storage tank 150 is arranged in the feed box 15; a feeding hole 1500 is formed on the upper side wall of the feeding storage tank 150, and a feeding outlet 1501 is formed on the lower side wall; the feed outlet 1501 is located right above the left end of the filter tank 160; a closing plate 151 for closing and opening the feed outlet 1501 is inserted into the feed outlet 1501.

The working principle of the papermaking filtering device with the immersed and washed filter screen is as follows:

in the filtering process, the paper pulp enters from the feeding box 15 and then falls onto the filter screen 23, the paper pulp slides downwards along the filter screen 23 in an inclined mode, part of water is filtered by the filter screen 23 in the sliding process and enters the water falling groove 14, and finally the paper pulp enters the paper pulp recovery box 13;

filter many times after, the filtration pore of crossing of filter screen 23 can be stopped up to paper pulp, influence the filter effect, filter screen 23 becomes the horizontality from the tilt state this moment, then to filter screen supporting seat 22 in the synchronous reciprocal lift of the aquatic of the groove 14 that falls into water, the residue of the filtration pore of filter screen 23 is washed out like this, filter screen 23 is at the bottom, outside water gets into from inlet opening 1400, inside water flows from the apopore, form rivers at the upside of filter screen 23 like this, make like this that the residue of washing out in the filtration pore of filter screen 23 leaves the upper end of filter screen 23, the thorough filter screen 23 that leaves of residue of crossing the pore, filter screen 23 return at last, is to filter screen supporting seat 22 return, the cleaning efficiency is high like.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.