Drum and filter cloth vacuum dehydrator
A technology of vacuum dehydration and filter cloth, applied in filtration separation, membrane filter, water/sludge/sewage treatment, etc., can solve the problems of low vacuum negative pressure utilization efficiency, unstable product dewatering quality, waste of negative pressure, etc. To achieve the effect of good adsorption thickness
Active Publication Date: 2016-04-13
FUJIAN GUANGHUILONG ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology
[0003] The invention provides a rotary drum filter cloth vacuum dehydrator to solve the problems of low vacuum negative pressure utilization efficiency, waste of negative pressure, unstable product dehydration quality, and low output of existing vacuum dehydrators.
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Embodiment Construction
[0027] The specific implementation manners of the embodiments of the present invention will be described below with reference to the accompanying drawings.
[0028] refer to figure 1 and figure 2 , a rotary drum filter cloth vacuum dehydrator, comprising a bracket 1, a mud tank 2 is arranged on the bracket 1, a circumferential drum 3 is arranged on the mud tank 2, and the circumferential drum 3 is a hollow cylinder with openings at both ends. A filter cloth (not shown in the figure) is provided, and a rotating shaft 4 for driving the rotation of the circumferential drum 3 is arranged inside the circumferential drum 3. One end of the rotating shaft 4 is connected with a first servo motor 51, and the other end of the rotating shaft 4 is fixed on the shaft seat 6. On the bracket 1 , a distributing valve 7 is also connected to the shaft seat 6 .
[0029] refer to figure 2 and Figure 4 12 independent vacuum negative pressure chambers 31 are arranged on the outer wall of the ...
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The invention relates to a drum and filter cloth vacuum dehydrator. The drum and filter cloth vacuum dehydrator comprises a support, a slurry tank, a circumferential drum, filter cloth, a rotating shaft and a shaft base. The circumferential drum is provided with a plurality of independent vacuum negative pressure bins at intervals, the rotating shaft is correspondingly provided with a plurality of vacuum negative pressure pipes, the interior of each independent vacuum negative pressure bin is communicated with the shaft base through the corresponding vacuum negative pressure pipe, and the interiors of the independent vacuum negative pressure bins are further communicated with a distribution valve. The distribution valve comprises a distribution disc and a connecting base, the distribution disc comprises an adsorption cavity, a dehydration cavity and a separation cavity, an isolation region is formed between the adsorption cavity and the dehydration cavity, the connecting base is correspondingly provided with an adsorption port, a dehydration port and a separation port, the adsorption port is connected with an adsorption vacuum pump, the dehydration port is connected with a dehydration vacuum pump, and the separation port is connected with an air compressor. The drum and filter cloth vacuum dehydrator can effectively control the adsorption thickness and the dehydration speed of slurry, so that the situation that a filter cake is not thoroughly dehydrated or the situation that as air enters the vacuum negative pressure pipes, negative pressure is wasted and the yield and the dehydration quality of the vacuum dehydrator are affected is avoided.
Description
technical field [0001] The invention relates to the technical field of solid-liquid separation, and more specifically refers to a drum filter cloth vacuum dehydrator. Background technique [0002] The vacuum dehydrator is a device that uses vacuum negative pressure as a driving force to achieve solid-liquid separation. It is widely used in chemical, petroleum, pharmaceutical, light industry, food, mineral processing, coal and water treatment and other departments. The existing vacuum dewatering machine usually includes mud adsorption, mud dehydration and filter cake separation when processing mud, wherein the mud adsorption and mud dehydration are both driven by the same vacuum negative pressure device. However, the requirements for the vacuum negative pressure device are different in the process of mud adsorption and mud dehydration. If the vacuum negative pressure device has a strong adsorption capacity, the vacuum negative pressure mainly acts on the mud adsorption, and t...
Claims
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IPC IPC(8): B01D33/067B01D33/073B01D33/80B01D33/48B01D33/82
CPCB01D33/067B01D33/073B01D33/48B01D33/80B01D33/82C02F11/121B01D2201/29B01D2201/36B01D2201/087C02F2303/06
Inventor 林向阳唐宏军
Owner FUJIAN GUANGHUILONG ENVIRONMENTAL PROTECTION TECH