CN203060951U - Suction filtration device - Google Patents
Suction filtration device Download PDFInfo
- Publication number
- CN203060951U CN203060951U CN 201220738205 CN201220738205U CN203060951U CN 203060951 U CN203060951 U CN 203060951U CN 201220738205 CN201220738205 CN 201220738205 CN 201220738205 U CN201220738205 U CN 201220738205U CN 203060951 U CN203060951 U CN 203060951U
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- solution
- filter
- reaction kettle
- still
- woven hose
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Abstract
The utility model relates to a suction filtration device. A common reaction kettle is communicated with a negative-pressure resistant reaction kettle or an air lift pump through a liquid transport pipe and a connecting pipe, the negative-pressure resistant reaction kettle or the air lift pump are communicated with a vacuum unit by an air suction pipe, and an inlet of a suction filter movably arranged below the liquid level of the common reaction kettle is connected with an outlet of the connecting pipe; the suction filter consists of a porous filter screen frame and filter cloth wrapping the outer layer of the filter screen frame; cooling crystallization of high-concentration ammonium molybdate solution is finished in the negative-pressure resistant reaction kettle, and then filtering drying is performed to obtain ammonium heptamolybdate products; or pretreatment mother liquid at the upper layer of the common reaction kettle is sucked into the air lift pump through the connecting pipe and the liquid transport pipe after being filtered by the suction filter to obtain the pure high-concentration ammonium molybdate liquid. The suction filtration device for filtering solution and separating solid and liquid is beneficial to eliminating influence of external factors on solution or solving the problems that crystals are dissolved out from the solution and filtering operation is difficult due to change of external environment during filtering.
Description
Technical field
The utility model relates to a kind of absorbing devices of filtering solution, and its suction filter is immersed in the medium to be filtered fully.
Background technology
Carry out the difference of the solution system character of Separation of Solid and Liquid as required, filter type adopts plate compression usually, a kind of in vacuum suction filter, centrifugal filtration, the resin bed filtration etc.The common trait of these filter methods is, medium to be filtered is transferred to the filter by certain mode from a container, solution after the filtration is stored in the another one container, solid phase accumulates in the solid-liquid separating equipment, removed again after having filtered, so circulation is to reach the effect of Separation of Solid and Liquid.
When solidliquid mixture to be separated is transferred to the process of another container from a container, because the difference of external environment and solution itself, some physics and chemical change inevitably will take place in solution, as the variation of temperature and concentration etc.In the middle of production process, there are some solidliquid mixtures solution of micro-solid impurity (or contain) in the middle of filter process, very easily to change, as the high temperature saturated solution, this solution in the middle of filter process owing to reasons such as temperature reduction very easily crystallization separate out, cause solution not reach the requirement of subsequent production, What is more, because it at first is local formation such as chamber walls that crystallization is separated out, rather than in the middle of the solution body, separate out, filter is very easily stopped up by the crystal of being separated out, have a strong impact on the continuity of production, influence output and the quality of product.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of for filtering solution, the absorbing devices of Separation of Solid and Liquid, be conducive to solve the central extraneous factor of filter process to the influence of solution itself, be conducive to solve in the filter process, because the variation of external environment causes crystal to separate out, cause the problem of filtration difficulty from solution.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of absorbing devices, the common response still by woven hose be communicated with the still of anti-negative reaction the or mortejus, the still of anti-negative reaction the or mortejus be communicated with the vacuum unit by air intake duct, tube connector is communicated with woven hose; Be equipped with in the common response still 2# agitating device and Pressure gauge are housed on 1# agitating device and heating and heat-insulating device, the still of anti-the negative reaction, the entrance that is movably arranged on the subsurface suction filter of common response still is connected with the outlet of tube connector.Described suction filter is made up of porous filter screen frame and the outer field filter cloth of parcel screen holder.At described woven hose the woven hose valve is housed, at described air intake duct the air intake duct valve is housed.
Adopt the filter method of above-mentioned absorbing devices as follows:
A, in the common response still, configure satisfactory high concentration ammonium molybdate solution, open 1# agitating device, 2# agitating device, woven hose valve, air intake duct valve and vacuum unit, the high concentration ammonium molybdate solution under the condition of constant temperature after suction filter filters, be inhaled in the still of anti-the negative reaction by tube connector and woven hose, close 1# agitating device, 2# agitating device, woven hose valve, air intake duct valve and vacuum unit; The high concentration ammonium molybdate solution is finished crystallisation by cooling in the still of anti-the negative reaction, obtain the ammonium heptamolybdate product behind the filtering drying;
B, the high concentration ammonium molybdate solidliquid mixture after in the common response still, having processing, after treating most of solid standing sedimentation, open woven hose valve, air intake duct valve and vacuum unit, the preliminary treatment mother liquor on common response still upper strata is closed woven hose valve, tracheae valve, vacuum unit after suction filter filters, be inhaled in the mortejus by tube connector and woven hose; Open the lower valve of mortejus subsequently, the preliminary treatment mother liquor after filtering is put to Chu Chizhong, obtain pure high concentration ammonium molybdate liquid; Washed once molybdenum oxide in this process still in the common response still, waited until and carry out secondary washing.
The beneficial effects of the utility model are:
1, suction filter is movably arranged on solution inside to be filtered in the common response still, there is not solidliquid mixture to be separated to be transferred to the process of another container from a container in the filter, avoided the difference owing to external environment and solution itself, the variation of occurrence temperature and concentration etc.; Avoid as high temperature saturated solution etc. in filter process owing to reasons such as temperature reduction very easily crystallization separate out, cause solution not reach the requirement of subsequent production, particularly because crystallization is separated out at first is to form in that chamber wall etc. is local, rather than in the middle of the solution body, separate out, filter is very easily stopped up by the crystal of being separated out, have a strong impact on the continuity of production, influence output and the quality of product.
2, suction filter is movably arranged in the common response still, is convenient to disassembly, cleaning.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of absorbing devices structural representation for preparing ammonium heptamolybdate with the still of anti-the negative reaction.
Fig. 2 is a kind of absorbing devices structural representation for preparing the high concentration ammonium molybdate solution with mortejus.
The specific embodiment
Embodiment 1As shown in Figure 1: a kind ofly prepare the absorbing devices of ammonium heptamolybdate with the still of anti-the negative reaction, common response still 1 by woven hose 3 be communicated with the still of anti-negative reaction the 6, the still of anti-negative reaction the 6 passes through air intake duct 13 and is communicated with vacuum unit 7, tube connector 8 is communicated with woven hose 3; Be equipped with in the common response still 1 2# agitating device 10 and Pressure gauge 5 are housed on 1# agitating device 2 and heating and heat-insulating device, the still of anti-negative reaction the 6, the entrance that is movably arranged on common response still 1 subsurface suction filter 4 is connected with the outlet of tube connector 8.
Described suction filter 4 is made up of screen holder 14 and parcel screen holder 14 outer field filter clothes 9.
At described woven hose 3 woven hose valve 11 is housed, at described air intake duct 13 air intake duct valve 12 is housed.
Embodiment 2As shown in Figure 2: a kind ofly prepare the absorbing devices of high concentration ammonium molybdate solution with mortejus, common response still 1 by woven hose 3 be communicated with mortejus 15, mortejus 15 passes through air intake duct 13 and is communicated with vacuum unit 7, tube connector 8 is communicated with woven hose 3; The entrance that is movably arranged on common response still 1 subsurface suction filter 4 is connected with the outlet of tube connector 8.
Described suction filter 4 is made up of porous filter screen frame 14 and the outer field filter cloth 9 of parcel screen holder.At described woven hose 3 woven hose valve 11 is housed, at described air intake duct 13 air intake duct valve 12 is housed.The bottom of described mortejus 15 is provided with lower valve 16.
Embodiment 3As shown in Figure 1: adopt the filter method of embodiment 1 described absorbing devices as follows:
Ammonium heptamolybdate production process: be raw material with ammonium tetramolybdate and ammoniacal liquor, dissolve in the middle of ammonium tetramolybdate joined certain density ammoniacal liquor, auxiliary to stir and heating, when proportion, temperature and the pH value of solution reaches certain value, the ammonium molybdate solution that dissolving is good filters, with the solution cooling, ammonium heptamolybdate will be separated out from ammonium molybdate solution again; When crystallization precipitate into certain degree, solution is filtered, obtain the ammonium heptamolybdate product.
Adopt embodiment 1 described filter method to be: in 1 li of common response still, to configure satisfactory high concentration ammonium molybdate solution, open 1# agitating device 2,2# agitating device 10, woven hose valve 11, air intake duct valve 12 and vacuum unit 7, the high concentration ammonium molybdate solution by after finishing filtration in suction filter 4, tube connector 8 and the woven hose 3 input stills of anti-negative reaction the 6, is closed 1# agitating device 2,2# agitating device 10, woven hose valve 11, air intake duct valve 12 and vacuum unit 7 under the condition of constant temperature; The high concentration ammonium molybdate solution is finished crystallisation by cooling in the still of anti-negative reaction the 6, obtain the ammonium heptamolybdate product behind the filtering drying.
Embodiment 4As shown in Figure 2: adopt the filter method of embodiment 2 described absorbing devices as follows:
High concentration ammonium molybdate solution preparation is the important step of producing ammonium heptamolybdate, and the course of dissolution of solution is determining that the product of producing is ammonium heptamolybdate, and the output of the ammonium heptamolybdate of producing what, problem such as namely whether the production efficiency height or not.Dissolving high concentration ammonium molybdate solution temperature well is generally between 60 ~ 80 ℃, preferred 70 ~ 75 ℃, in the ammonium molybdate solution of this high concentration, because what also contain trace fails to dissolve ammonium tetramolybdate crystal completely, so solution could cool off after must filtering earlier, otherwise the purity of the ammonium heptamolybdate product of producing and performance will be seriously influenced.Because the ammonium molybdate solution of high concentration is saturated or very near saturated, causes solution generation physicochemical change itself so very easily be subjected to the influence of extraneous factor when filtering.
Usual vacuum filtration and the plate compression that adopts, in the middle of filter process, because temperature reduces, ammonium heptamolybdate very easily stops up filter cloth very easily by separating out from filter cloth in the solution, gently then influences output, and is heavy then cause and produce interruption.Because filter process is obstructed, the high concentration ammonium molybdate solution can not in time filter, and will cause solution generation essential change, causes heavy economic losses.Plate compression also can be because of filtering residual tank solution in the sheet frame of back, and this part solution also will be separated out ammonium molybdate in a large number, cause filter cloth to stop up, thereby all want block clearing after each the filtration, cause this part solution loss, and then influence production efficiency and production cost.
Adopt the filter method of embodiment 2 described absorbing devices to be: the high concentration ammonium molybdate solidliquid mixture after in common response still 1, having processing, after treating most of solid standing sedimentation, open woven hose valve 11, air intake duct valve 12 and vacuum unit 7, the preliminary treatment mother liquor on common response still 1 upper strata by suction filter 4, tube connector 8 and woven hose 3 be input to finish filtration in the mortejus 15 after, close woven hose valve 11, tracheae valve 12, vacuum unit 7; Open the lower valve 16 of mortejus 15 subsequently, the preliminary treatment mother liquor after filtering is put to Chu Chizhong, obtain pure high concentration ammonium molybdate liquid; Washed once molybdenum oxide in this process still in common response still 1, waited until and carry out secondary washing.
Claims (4)
1. absorbing devices, it is characterized in that: common response still (1) by woven hose (3) be communicated with the still of anti-negative reaction the (6) or mortejus (15), the still of anti-negative reaction the (6) or mortejus (15) pass through air intake duct (13) and be communicated with vacuum unit (7), tube connector (8) is communicated with woven hose (3); Be equipped with in the common response still (1) 2# agitating device (10) and Pressure gauge (5) are housed on 1# agitating device (2) and heating and heat-insulating device, the still of anti-negative reaction the (6), the entrance that is movably arranged on the subsurface suction filter of common response still (1) (4) is connected with the outlet of tube connector (8).
2. absorbing devices according to claim 1 is characterized in that: described suction filter (4) is made up of porous filter screen frame (14) and the parcel outer field filter cloth of screen holder (14) (9).
3. absorbing devices according to claim 1 is characterized in that: at described woven hose (3) woven hose valve (11) is housed, at described air intake duct (13) air intake duct valve (12) is housed.
4. absorbing devices according to claim 1, it is characterized in that: the bottom of described mortejus (15) is provided with lower valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738205 CN203060951U (en) | 2012-12-28 | 2012-12-28 | Suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738205 CN203060951U (en) | 2012-12-28 | 2012-12-28 | Suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203060951U true CN203060951U (en) | 2013-07-17 |
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ID=48759781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220738205 Withdrawn - After Issue CN203060951U (en) | 2012-12-28 | 2012-12-28 | Suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203060951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041640A (en) * | 2012-12-28 | 2013-04-17 | 江西稀有稀土金属钨业集团有限公司 | Suction filtration device and filtering method thereof |
-
2012
- 2012-12-28 CN CN 201220738205 patent/CN203060951U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041640A (en) * | 2012-12-28 | 2013-04-17 | 江西稀有稀土金属钨业集团有限公司 | Suction filtration device and filtering method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130717 Effective date of abandoning: 20150318 |
|
| RGAV | Abandon patent right to avoid regrant |