CN206355805U - Ammonium paratungstate production circulates strong acid weak acid recovery processing system - Google Patents
Ammonium paratungstate production circulates strong acid weak acid recovery processing system Download PDFInfo
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- CN206355805U CN206355805U CN201621368759.6U CN201621368759U CN206355805U CN 206355805 U CN206355805 U CN 206355805U CN 201621368759 U CN201621368759 U CN 201621368759U CN 206355805 U CN206355805 U CN 206355805U
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Abstract
Strong acid weak acid recovery processing system is circulated the utility model discloses a kind of ammonium paratungstate production, including decomposing cell body, spray column and strong acid faintly acid liquid waste treatment system, decompose and sealing top is set at the top of cell body, space forms exhaust dwell chamber between sealing top and the reactive tank for decomposing cell body bottom, exhaust dwell intracavitary is provided with temperature detector, pressure detector, decomposer sets the control device being connected with temperature detector, pressure detector in vitro, sealing is provided with the control valve for being provided with and being connected with control device on blast pipe, blast pipe on top；The top of spray column is provided with gas outlet, the inner cavity top of spray column is provided with vaporific spray head, the bottom of spray column is provided with liquid outlet, in the bottom of spray column, interleaved is provided with some flow-disturbing swash plates successively from the bottom to top, the surface of each flow-disturbing swash plate is coated with exhaust gas catalyst, and the pH for the vaporific spray liquid for spraying out by vaporific spray head is 12~14.
Description
Technical field
The utility model is related to ammonium paratungstate production system regions, and more particularly to a kind of ammonium paratungstate production circulation strong acid is weak
Acid recovery processing system.
Background technology
Ammonium paratungstate (APT) is the important intermediate compound for producing tungsten powder, tungsten filament, tungsten-bast alloy and all tungsten materials, is also
Large exporting of China.One of step of production ammonium paratungstate is exactly that wolframic acid is decomposed, and current wolframic acid decomposer is big
Majority uses opened type structure, causes waste gas in decomposable process from high air discharge, to pollute environment.And ammonium paratungstate production
During the strong acid waste liquid that produces of wolframic acid decomposer be unable to normal process, the weak acid that spray column is produced can not normal process, make
Into secondary pollution.
Utility model content
The purpose of this utility model is that not enough there is provided a kind of ammonium paratungstate production with defect for prior art above-mentioned
Strong acid weak acid recovery processing system is circulated, to solve the above problems.
The technical problem that the utility model is solved can be realized using following technical scheme：
Ammonium paratungstate production circulate strong acid weak acid recovery processing system, it is characterised in that including decompose cell body, spray column,
It is set at the top of strong acid faintly acid liquid waste treatment system, the decomposition cell body at the top of sealing top, the sealing and decomposer
Space forms exhaust dwell chamber between the reactive tank of body bottom, and the exhaust dwell intracavitary is provided with temperature detector, pressure
Detector, the decomposer sets the control device being connected with the temperature detector, pressure detector, the sealing top in vitro
A blast pipe for connecting and being connected with the exhaust gas inlet of the spray column bottom with the exhaust dwell chamber is provided with portion, it is described
The control valve being connected with the control device is provided with blast pipe；The top of the spray column is provided with gas outlet, described
The inner cavity top of spray column is provided with vaporific spray head, and the bottom of the spray column is provided with liquid outlet, in the spray column
Interleaved is provided with some flow-disturbing swash plates successively from the bottom to top for bottom, and the surface of each flow-disturbing swash plate is coated with exhaust fume catalytic
Agent, the pH for the vaporific spray liquid for spraying out by the vaporific spray head is 12~14, the sodium hydroxide of the vaporific spray liquid
Proportioning with water is 1:15~20, the strong acid faintly acid liquid waste treatment system includes acid waste liquid collecting tank, the spent acidic
The strong acid waste liquid inlet of liquid collecting tank is connected with the strong acid discard solution discharge port of the decomposition cell body by pipeline, the spent acidic
The weak acid waste liquid inlet of liquid collecting tank is connected with the liquid outlet of the bottom of the spray column by pipeline, and the acid waste liquid is received
The charging aperture of the liquid outlet and ion exchange column that collect groove is connected, and the discharging opening of the ion exchange column and the charging aperture of reactor connect
Connect, the inwall of the reactor is lined with corrosion-resistant graphite linings and PP layers, the reactor successively from the inside to the outside is provided with stirring
Device and heater, the reactor downstream position are additionally provided with filter, and phosphorus was discharged after the filter filtering
Sour calcium, the reactor is operationally internal to keep 50 DEG C~70 DEG C of whipping temp.
As a result of technical scheme as above, the utility model, which will be decomposed, is set to sealing top at the top of cell body, will
The waste gas that reaction is produced carries out centralized recovery discharge, and realizes full automatic working according to pressure and temperature, safe and reliable.In addition
Also waste gas is handled by spray column so that by being neutrality by the waste gas of spray column, prevent from causing acid waste gas to pollute.
Moreover, the utility model can also be handled the weak acid waste liquid for decomposing the strong acid waste liquid of cell body generation, spray column is produced, formed
Calcium superphosphate, it is convenient to recycle.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of the utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
The utility model is expanded on further in face.
Ammonium paratungstate production circulation strong acid weak acid recovery processing system shown in Figure 1, including decompose cell body 100, spray
Tower 200 and strong acid faintly acid liquid waste treatment system are drenched, the top for decomposing cell body 100 is set to sealing top 110, sealing top
Space forms exhaust dwell chamber 130 between 110 and the reactive tank 120 of decomposition cell body 100 bottom.Set in exhaust dwell chamber 130
Temperature detector 140, pressure detector 150 are equipped with, the outer setting of cell body 100 and temperature detector 140, pressure detector is decomposed
The control device 160 of 150 connections.Sealing top 110 on be provided with one connected with exhaust dwell chamber 130 and with spray column 200
The control valve being connected with control device 160 is provided with the blast pipe 170 that the exhaust gas inlet 210 in portion is connected, blast pipe 170
180。
The top of spray column 200 is provided with gas outlet 220, and the inner cavity top of spray column 200 is provided with vaporific spray head
230, the bottom of spray column 200 is provided with liquid outlet 240, and in the bottom of spray column 200, interleaved is set successively from the bottom to top
There are some flow-disturbing swash plates 250, the surface of each flow-disturbing swash plate 250 is coated with exhaust gas catalyst, is sprayed out by vaporific spray head 230
The pH of the vaporific spray liquid 231 come is 12~14, and the sodium hydroxide of vaporific spray liquid 231 and the proportioning of water are 1:15~20.
Strong acid faintly acid liquid waste treatment system includes acid waste liquid collecting tank 300, and the strong acid of acid waste liquid collecting tank 300 gives up
Liquid inlet 310 is connected with decomposing the strong acid discard solution discharge port 101 of cell body 100 by pipeline 102, acid waste liquid collecting tank 300
Weak acid waste liquid inlet 310a be connected with the liquid outlet 240 of the bottom of spray column 200 by pipeline 102a, acid waste liquid collect
The liquid outlet 320 of groove 300 is connected with the charging aperture 410 of ion exchange column 400, discharging opening 420 and the reaction of ion exchange column 400
The charging aperture 510 of kettle 500 is connected, and the inwall of reactor 500 is lined with corrosion-resistant graphite linings and PP layers, reactor successively from the inside to the outside
Agitating device 600 and heater 700 are provided with 500.The downstream position of reactor 500 is additionally provided with filter 800, filtering
Device 800 discharges calcium superphosphate after filtering, and reactor 500 is operationally internal to keep 50 DEG C~70 DEG C of whipping temp.
Operation principle of the present utility model is as follows：
The waste gas that the reaction of reactive tank 120 is produced is detained in the exhaust dwell chamber 130 after rising, when temperature detector 140,
The air pressure and temperature that pressure detector 150 is detected in exhaust dwell chamber 130 reach after predetermined parameter that control device 160 is controlled
Control valve 180 processed is opened so that the waste gas in exhaust dwell chamber 130 is concentrated from blast pipe 170 is expelled to spray column 200
In, first react and neutralize with the exhaust gas catalyst on the surface of flow-disturbing swash plate 250 when by flow-disturbing swash plate 250, then again with by vaporific
The pH of the spray of spray head 230 out reacts for 12~14 vaporific spray liquid 231, during the waste gas discharged by the utility model is
Property, prevent from causing acid waste gas to pollute.Given up moreover, decomposing the strong acid waste liquid of the generation of cell body 100, the weak acid of the generation of spray column 200
Liquid is handled by strong acid faintly acid liquid waste treatment system, forms calcium superphosphate, convenient to recycle.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
1. ammonium paratungstate production circulates strong acid weak acid recovery processing system, it is characterised in that including decomposing cell body, spray column, strong
Cell body is set at the top of sealing top, the sealing and decomposed at the top of sour faintly acid liquid waste treatment system, the decomposition cell body
Space forms exhaust dwell chamber between the reactive tank of bottom, and the exhaust dwell intracavitary is provided with temperature detector, pressure inspection
Device is surveyed, the decomposer is set at the top of the control device being connected with the temperature detector, pressure detector, the sealing in vitro
On be provided with a blast pipe for connecting and being connected with the exhaust gas inlet of the spray column bottom with the exhaust dwell chamber, the row
The control valve being connected with the control device is provided with tracheae；The top of the spray column is provided with gas outlet, the spray
The inner cavity top for drenching tower is provided with vaporific spray head, and the bottom of the spray column is provided with liquid outlet, at the bottom of the spray column
Interleaved is provided with some flow-disturbing swash plates successively from the bottom to top in portion, and the surface of each flow-disturbing swash plate is coated with exhaust gas catalyst,
The pH for the vaporific spray liquid for spraying out by the vaporific spray head is 12~14, the sodium hydroxide and water of the vaporific spray liquid
Proportioning be 1:15~20, the strong acid faintly acid liquid waste treatment system includes acid waste liquid collecting tank, and the acid waste liquid is received
The strong acid waste liquid inlet for collecting groove is connected with the strong acid discard solution discharge port of the decomposition cell body by pipeline, and the acid waste liquid is received
The weak acid waste liquid inlet of collection groove is connected with the liquid outlet of the bottom of the spray column by pipeline, the acid waste liquid collecting tank
Liquid outlet and the charging aperture of ion exchange column connect, the charging aperture of the discharging opening of the ion exchange column and reactor is connected,
The inwall of the reactor is lined with corrosion-resistant graphite linings and PP layers, the reactor and is provided with agitating device successively from the inside to the outside
And heater, the reactor downstream position is additionally provided with filter, calcium superphosphate discharged after the filter filtering,
The reactor is operationally internal to keep 50 DEG C~70 DEG C of whipping temp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368759.6U CN206355805U (en) | 2016-12-14 | 2016-12-14 | Ammonium paratungstate production circulates strong acid weak acid recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368759.6U CN206355805U (en) | 2016-12-14 | 2016-12-14 | Ammonium paratungstate production circulates strong acid weak acid recovery processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355805U true CN206355805U (en) | 2017-07-28 |
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ID=59374574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621368759.6U Expired - Fee Related CN206355805U (en) | 2016-12-14 | 2016-12-14 | Ammonium paratungstate production circulates strong acid weak acid recovery processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693635A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市南东有色金属有限公司 | Strong acid and weak acid recycling system during ammonium paratungstate production |
-
2016
- 2016-12-14 CN CN201621368759.6U patent/CN206355805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693635A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市南东有色金属有限公司 | Strong acid and weak acid recycling system during ammonium paratungstate production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20181214 |