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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
81 PEAT PRESS GB8232429 1982-11-12 GB2113111B 1985-11-20 BRITSCHGI HUGO; PORTMANN BRUNO; BERCHTOLD LOUIS
In a device for the dewatering of naturally moist lump peat in natural obtained state and without flocculation agent through pressing, to obtain a natural composition, in terms of particles, of the dewatered product it is proposed that a system is integrated into the device, which has means (1,2,3,4,5) for the collection of the fluid pressed out via screens (31,32) and of the used water for the cleaning of the screens at their points of accumulation, for the static filtering (6,7) of the collected suspension, for the mixing together (30) of the fraction, separated there and condensed, with the fresh material which is to be treated and pressed by the device (34), for the guidance (11) of a portion of the filtrate separated there, essentially of a particle-free water, for the cleaning (12) of the screens (31,32) and for the removal (10) out of the device of a surplus portion of the separated filtrate exceeding the requirement of this cleaning.
82 SE8306950 1983-12-15 SE441835B 1985-11-11 ROSENDAHL S; BURMAN V
83 ENTWAESSERN VON NATURFEUCHTEM ROHTORF. CH638682 1982-11-03 CH651851A5 1985-10-15 ROSENBERG BURKARD
84 DEVICE FOR THE DEWATERING OF NATURALLY MOIST LUMP PEAT CA414076 1982-10-25 CA1191382A 1985-08-06 BRITSCHGI HUGO; PORTMANN BRUNO; BERCHTOLD LOUIS
An apparatus for the dewatering of naturally moist lump peat in natural obtained state and without a flocculation agent, by pressing, to obtain a natural composition in terms of particles), of the dewatered product it is proposed that an add-back system is integrated into the apparatus, which has means for the collection of the fluid pressed out via screens and of the used water for the cleaning of the screens at their points of accumulation, for the static filtering of the collected suspension, for the mixing together of the fraction, separated there and condensed, with the fresh material which is to be treated and pressed by the apparatus, for the guidance of a portion of the filtrate separated there, essentially of a particle-free water, for the cleaning of the screens and for the removal out of the apparatus of a surplus portion of the separated filtrate exceeding the requirement of this cleaning.
85 PEAT DEWATERING METHOD PL25034984 1984-11-08 PL250349A1 1985-06-18 JAMUSCH ALOIS
For dehydrating peat, centrifuges (5) being pressurized by saturated steam having a pressure of 2 to 35 bar are used, the heat of the discharged condensate as well as of the removed water being recovered.
86 DEHYDRATING PEAT IE279684 1984-10-31 IE842796L 1985-05-15
87 FI833467 1983-09-26 FI833467A 1985-03-29 KOSKINEN, RAUNO
88 METHOD FOR THE DEWATERING OF LUMP PEAT CA401743 1982-04-27 CA1177247A 1984-11-06 BRITSCHGI HUGO; ROSENBERG BURKARD
In a method for the dewatering of naturally moist, coarse lump peat or of a similar material, the material is continuously fractured into particles to approximately 2-3 cm diameter and is dispersed onto a lower screen belt. With the leading in of a provided upper screen belt the material is conveyed between the two screen belts through a preliminary dewatering zone, where at a pressure which is only given through the tension of the screen belts in a loop on at least one pair of rolls, a homogeneous filter cake is produced. The latter is pressed in a subsequent dewatering zone of a number of pairs of nip rolls at a pressure increasing along the zone between screen belts. Between the screen belt and the nip roll a pressure belt, equal in width to the screen belt, is carried long, consisting of an elastic watertight material, but which is designed to receive and carry away the water and to stabilize the material which is to be pressed. After the dewatering zone, the material arrives into a high pressure zone, where it is treated between screen belts between at least one pair of press rolls at a greater pressure than on the last pair of rolls of the dewatering zone.
89 FI824193 1982-12-07 FI824193L 1984-06-08 TUPPURAINEN LEA TUULIKKI
90 DE3336784 1983-10-10 DE3336784A1 1984-05-24 ROSENBERG BURKARD
The invention relates to the dewatering of naturally moist crude peat. In the method disclosed, dewatering is accomplished in stages. In the first stage, the peat is passed through a press (A) to produce an intermediate product which is passed to a filter press system (B) where the peat is further dewatered in at least two successive filter press chambers (11,13). In passage between the press chambers the peat is loosened and in the last dewatering stage (13) the peat is compacted. The resultant product can be handleable and transportable with minimal risk. In addition to being largely independent of weather and temperature, the method is considerably more economical than previous processes which were inefficient in terms of time and/or energy consumption.
91 DK501683 1983-11-02 DK501683A 1984-05-04 ROSENBERG BURKARD
The invention relates to the dewatering of naturally moist crude peat. In the method disclosed, dewatering is accomplished in stages. In the first stage, the peat is passed through a press (A) to produce an intermediate product which is passed to a filter press system (B) where the peat is further dewatered in at least two successive filter press chambers (11,13). In passage between the press chambers the peat is loosened and in the last dewatering stage (13) the peat is compacted. The resultant product can be handleable and transportable with minimal risk. In addition to being largely independent of weather and temperature, the method is considerably more economical than previous processes which were inefficient in terms of time and/or energy consumption.
92 FI813927 1981-12-08 FI64809B 1983-09-30 TUUHA ROLF
93 NO823353 1982-10-06 NO823353A 1983-05-16 BRITSCHGI HUGO; PORTMANN BRUNO; BERCHTOLD LOUIS
94 SE8206454 1982-11-12 SE8206454L 1983-05-14 BRITSCHGI H; PORTMANN B; BERCHTOLD L
In a device for the dewatering of naturally moist lump peat in natural obtained state and without flocculation agent through pressing, to obtain a natural composition, in terms of particles, of the dewatered product it is proposed that a system is integrated into the device, which has means (1,2,3,4,5) for the collection of the fluid pressed out via screens (31,32) and of the used water for the cleaning of the screens at their points of accumulation, for the static filtering (6,7) of the collected suspension, for the mixing together (30) of the fraction, separated there and condensed, with the fresh material which is to be treated and pressed by the device (34), for the guidance (11) of a portion of the filtrate separated there, essentially of a particle-free water, for the cleaning (12) of the screens (31,32) and for the removal (10) out of the device of a surplus portion of the separated filtrate exceeding the requirement of this cleaning.
95 NO811085 1981-03-30 NO147954B 1983-04-05 ORDING ALF
96 FI812885 1981-09-16 FI63051B 1982-12-31 SUNDMAN FREY
Press for removing water, wherein the material to be treated is led together with a wire which is pervious to water through a press nip zone formed by opposite surfaces. The press comprises compressible means for transporting the material to be treated. This means runs through the press nip and comprises several compression chambers which open out against the wire pervious to water. The compression chambers are preferably made so that they expand towards the water transmitting wire or felt, e.g. like a truncated pyramid.
97 SE8202505 1982-04-21 SE8202505L 1982-10-29 BRITSCHGI H; ROSENBERG B
In method for the dewatering of naturally moist, coarse lump peat or of a similar material, the material is continuously fractured into particles to approximately 2-3 cm diameter and is dispersed onto a lower screen belt. With the leading in of a provided upper screen belt the material is conveyed between the two screen belts through a preliminary dewatering zone, where at a pressure which is only given through the tension of the screen belts in a loop on at least one pair of rolls, a homogeneous filter cake is produced. The latter is pressed in a subsequent dewatering zone of a number of pairs of nip rolls at a pressure increasing along the zone between screen belts, whereby in each case between the screen belt and the nip roll a pressure belt, equal in width to the screen belt, is carried long, consisting of an elastic, watertight material, but which is designed to receive and carry away the filtrate and to stabilize the material which is to be pressed. After the dewatering zone, the material arrives into a high pressure zone, where it is treated between screen belts between at least one pair of press rolls at a greater pressure than on the last pair of rolls of the dewatering zone.
98 NO821142 1982-04-05 NO821142L 1982-10-29 BRITSCHGI HUGO; ROSENBERG BURKARD
In method for the dewatering of naturally moist, coarse lump peat or of a similar material, the material is continuously fractured into particles to approximately 2-3 cm diameter and is dispersed onto a lower screen belt. With the leading in of a provided upper screen belt the material is conveyed between the two screen belts through a preliminary dewatering zone, where at a pressure which is only given through the tension of the screen belts in a loop on at least one pair of rolls, a homogeneous filter cake is produced. The latter is pressed in a subsequent dewatering zone of a number of pairs of nip rolls at a pressure increasing along the zone between screen belts, whereby in each case between the screen belt and the nip roll a pressure belt, equal in width to the screen belt, is carried long, consisting of an elastic, watertight material, but which is designed to receive and carry away the filtrate and to stabilize the material which is to be pressed. After the dewatering zone, the material arrives into a high pressure zone, where it is treated between screen belts between at least one pair of press rolls at a greater pressure than on the last pair of rolls of the dewatering zone.
99 FI811604 1981-05-25 FI62331B 1982-08-31 MERILAEINEN REINO
100 CH1318677 1977-10-31 CH629249A5 1982-04-15 SAALASTI TAPIO DIPL ING