Energy recycling small seawater desalting plant matched with plunger pumps
A technology of energy recovery and plunger pumps, which is applied in pump devices, seawater treatment, and general water supply conservation, etc., can solve problems such as failure to cooperate with recovery devices, and achieve the effects of being suitable for popularization, convenient use, and high energy recovery rate
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Embodiment 1
[0037] according to figure 1 As shown, the two ends of the crankshaft 3 are connected to a bearing seat, and the crankshaft 3 is also connected with the motor 1, and the motor 1 drives the crankshaft 1 to rotate, and the crankshaft 3 is connected with a main plunger pump A and an energy recovery plunger Pump B and a step-by-step switching cylinder C, the crankshaft connecting the three is a three-throw crankshaft, and there is a crank 18 on the three-throw crankshaft, according tofigure 1 and Figure 6 As shown, the crank angle of the crankshaft controls the phase of the plunger of the main plunger pump, the energy recovery plunger pump and the phase of the piston in the follow-up switching cylinder respectively. When the crankshaft rotates under the drive of the motor, it drives a main cylinder Piston pump A, an energy recovery plunger pump B and a follow-up switching cylinder C do repeated motions;
[0038] according to figure 2 As shown, the main plunger pump A includes ...
Embodiment 2
[0044] In order to reduce the fluctuation of water output, the plunger pump often uses double cylinders in the desalination work, which is often called "double plunger pump", which requires two energy recovery plunger pumps and two follower pumps. Step by step switching cylinders to cooperate with double-connected plunger pumps, A1, A2, B1, B2, C1, C2 are connected on a six-turn crankshaft, the working principle of the energy recovery seawater desalination device is the same as that of embodiment 1, but the following two methods can be used sorted by:
[0045] according to Figure 6 As shown, the first type is that the double-connected plunger pumps A1 and A2 are arranged in the middle, and a pair of energy recovery plunger pumps B1 and B2 and follow-up switching cylinders C1 and C2 are arranged on each side;
[0046] according to Figure 7 As shown, the second type is that the double-connected plunger pumps A1 and A2 are arranged on one side, and the energy recovery plunger...
Embodiment 3
[0048] In order to better reduce the water output fluctuation of the plunger pump, you can use a "triple plunger pump"; that is, three plunger pumps (A1, A2, A3) are connected together by a three-turn crankshaft, and the three plunger pumps The phase staggers by 120°;
[0049] Use three sets of energy recovery devices ①②③ at the same time, (one energy recovery plunger pump and one follow-up switching cylinder are one set. Namely:
[0050] B1- C1 is ①, the phase of C1 lags behind the phase of B1 by 90°;
[0051] B2-C2 is ②, C2 phase lags B2 phase by 90°;
[0052] B3-C3 is ③, the phase of C3 lags behind the phase of B3 by 90°;
[0053] The phases of the three plungers B1, B2, and B3 are staggered by 120°, and correspondingly, the phases of the three pistons C1, C2, and C3 are also staggered by 120°①②③connected by a six-turn crankshaft;
[0054] The two crankshafts are connected as a whole through the output shafts at both ends of the bidirectional output reducer F. Connect t...
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