CN206955656U - A kind of production system of sodium pyrosulfite - Google Patents
A kind of production system of sodium pyrosulfite Download PDFInfo
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- CN206955656U CN206955656U CN201720592389.2U CN201720592389U CN206955656U CN 206955656 U CN206955656 U CN 206955656U CN 201720592389 U CN201720592389 U CN 201720592389U CN 206955656 U CN206955656 U CN 206955656U
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Abstract
A kind of production system of sodium pyrosulfite is the utility model is related to, belongs to technical field of chemical.A kind of production system of sodium pyrosulfite, including reactor, the reactor includes air intake assembly, reative cell, upper lid, blast pipe and drainage conduit, and the air intake assembly includes main air inlet pipe and the aeration tube on reaction chamber wall and extended downwardly is communicated and be arranged on the main air inlet pipe；The drainage conduit is arranged on the reative cell bottom and communicated therewith；Agitating device is additionally provided with the reactor.The utility model can realize the now with the current of sulfur dioxide gas, mitigate the pollution to environment from source；The utility model has the functions such as mother liquor reuse, gas purification, tail gas recycle, and the purity for the product for not only to produce improves, and also effectively prevent the pollution to environment.
Description
Technical field
A kind of production system of sodium pyrosulfite is the utility model is related to, belongs to technical field of chemical.
Background technology
Sodium pyrosulfite is a kind of important reducing agent, industrially typically produces sodium pyrosulfite with wet processing：By SO2
Counter current contacting, generation sodium hydrogensulfite, sodium hydrogensulfite supersaturation separate out burnt sub- in thtee-stage shiplock reactor with soda ash solution
Sodium sulfate crystal, centrifugation drying finished product.
Due to SO2Gas is not easy to store, and chemical property is active, easily pollutes environment.Therefore, it is general to be when enterprise produces
Production is used.And produce SO2Gas generally use sulfur furnace.But if directly using gas caused by combustion of sulfur as SO2Gas is former
Material, then the problem of easily overheat in production reaction, also easily there is impurity content height in product.For SO2Gas raw material, enterprise
All it is generally now with the current.Nevertheless, still easily there is SO2The problem of leakage.
Utility model content
The utility model will solve the above problems, so as to provide a kind of production system of sodium pyrosulfite.
The technical scheme that the utility model solves the above problems is as follows：
A kind of production system of sodium pyrosulfite, including reactor, the reactor include air intake assembly, reative cell, on
Lid, blast pipe and drainage conduit, the air intake assembly include main air inlet pipe and are communicated with the main air inlet pipe and be arranged on reative cell
On inwall and the aeration tube that extends downwardly；The drainage conduit is arranged on the reative cell bottom and communicated therewith；The reactor
Inside it is additionally provided with agitating device.
Preferably, also including first class purification cooler and secondary purification cooler, the first class purification cooler enters
Mouth connects with the sulfur dioxide gas discharging opening of sulfur furnace, entrance and the first class purification cooler of the secondary purification cooler
Outlet connects, the main air inlet pipe of the reactor with the secondary purification cooler outlet with connecting；The first class purification drop
Warm device includes being used for the tank body being filled with water, and tank body is provided with gas access and gas vent, and the gas access is goed deep into tank body
Below the water surface, the gas vent is arranged on more than the water surface.
Preferably, the air intake assembly also includes gas diffusion chamber, the gas diffusion chamber is arranged in a manner of chuck
The outer wall of the reative cell, the main air inlet pipe and the aeration tube are connected by the gas diffusion chamber.
Preferably, it is provided with valve in described drainage conduit.
Preferably, described blast pipe is arranged on reactor top, and communicate with the reative cell, expand with the gas
Dissipate chamber isolation.
Preferably, also include the impurity screening machine being connected with the first class purification cooler, the impurity screening machine bag
Include miscellaneous liquid pipe, net liquid pipe and impurity exhaust conduit；The first class purification cooler also includes feed tube and discharging tube；The miscellaneous liquid pipe
Connect with the discharging tube, net liquid pipe is with connecting described in the feed tube.
Described impurity screening machine is simple solid-liquid separating equipment, because solid sinks to device bottom, net liquid Guan Congshe
Standby waist position is drawn, and extraction is the liquid without solid；Impurity exhaust conduit slave unit bottom is drawn, and solid impurity can be with part
Liquid is discharged.
Preferably, also include the whizzer that be connected with the reactor, the whizzer including stoste pipe,
Filtrate pipe and product floss hole；The reactor also includes mother liquor reuse pipe；The stoste pipe connects with the drainage conduit, described
Filtrate pipe connects with the mother liquor reuse pipe.
Preferably, also include the tail gas absorption component being connected with the reactor；The tail gas absorption component includes two
Sulfur oxide recycling can and sulfur dioxide capture pot；The sulfur dioxide recovery tank uses running water as absorbing medium, the dioxy
Change sulphur capture pot using alkali lye as seizure medium.
Preferably, the sulfur dioxide capture pot includes being arranged on interior point of the alkali lye shower of tank body internal upper part, tank body
The a number of alkali lye distribution grid of layer distribution and the SO 2 tail gas pipe of tank body inner bottom part.
The utility model has the advantages that：
1st, the utility model can realize the now with the current of sulfur dioxide gas, mitigate the pollution to environment from source；
2nd, the utility model is cleaned to sulfur dioxide gas caused by sulfur furnace first by two-step purification cooler
And cooling so that into reactor sulfur dioxide in temperature and cleanliness factor on it is up to standard, improve the purity of product；
3rd, the utility model has the functions such as mother liquor reuse, gas purification, tail gas recycle, not only causes the production produced
The purity of product improves, and also effectively prevent the pollution to environment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of reactor of the present utility model；
In figure, 1- first class purification coolers, 2- secondary purification coolers, 3- reactors, 4- impurity screening machines, 5- centrifugations point
From device, 6- sulfur dioxide recovery tanks, 7- sulfur dioxide capture pots；
11- tank bodies, 12- gas accesses, 13- gas vents, 14- feed tubes, 15- discharging tubes；
31- reative cells, cover on 32-, 33- blast pipes, 34- drainage conduits, 35- mother liquor reuse pipes；
The miscellaneous liquid pipes of 41-, 42- net liquid pipes, 43- impurity exhaust conduits；
51- stoste pipes, 52- filtrate pipes, 53- product floss holes；
71- alkali lye showers, 72- alkali lye distribution grids, 73- SO 2 tail gas pipes；
301- main air inlet pipes, 302- gas diffusion chambers.
Embodiment
The utility model is further detailed below in conjunction with accompanying drawing.
Present embodiment is only to explanation of the present utility model, is not to limitation of the present utility model.Ability
Any change that field technique personnel are made after specification of the present utility model has been read, as long as in the scope of claims
It is interior, it will all be protected by Patent Law.
As shown in figure 1, a kind of production system of sodium pyrosulfite, including first class purification cooler 1, secondary purification cooler
2nd, reactor 3, impurity screening machine 4, whizzer 5, sulfur dioxide recovery tank 6 and sulfur dioxide capture pot 7.
The entrance of the first class purification cooler 1 connects with the sulfur dioxide gas discharging opening of sulfur furnace, and the two level is net
The entrance for changing cooler 2 connects with the outlet of first class purification cooler 1, and the main air inlet pipe 301 of the reactor 3 is with the two level
The outlet of purifying and cooling device 2 is with connecting；The first class purification cooler 1 includes being used for the tank body 11 being filled with water, and tank body is provided with gas
Body entrance 12 and gas vent 13, the gas access 12 are goed deep into below the water surface in tank body, and the gas vent 13 is arranged on
It is more than the water surface.
The reactor 3 includes air intake assembly, reative cell 31, upper lid 32, blast pipe 33 and drainage conduit 34.
As shown in Fig. 2 the air intake assembly include main air inlet pipe 301, gas diffusion chamber 302 and with the main air inlet pipe phase
Lead to and be arranged on the aeration tube on reaction chamber wall and extended downwardly；The gas diffusion chamber 302 is arranged on institute in a manner of chuck
The outer wall of reative cell 31 is stated, the main air inlet pipe 301 is connected with the aeration tube by the gas diffusion chamber 302.The row
Expects pipe 34 is arranged on the bottom of reative cell 31 and communicated therewith.Agitating device is additionally provided with the reactor 3.The discharge
Valve is provided with pipe 34.Described blast pipe 33 is arranged on the top of reactor 3, and is communicated with the reative cell 31, and described
Gas diffusion chamber 302 completely cuts off.
The impurity screening machine 4 is connected with first class purification cooler 1, and the impurity screening machine 4 includes miscellaneous liquid pipe 41, net liquid
Pipe 42 and impurity exhaust conduit 43；The first class purification cooler 1 also includes feed tube 14 and discharging tube 15；The miscellaneous liquid pipe 41 with
The discharging tube 15 connects, and net liquid pipe 42 is with connecting described in the feed tube 14.
The whizzer 5 is connected with reactor 3, including stoste pipe 51, filtrate pipe 52 and product floss hole 53；It is described
Reactor 3 also includes mother liquor reuse pipe 35；The stoste pipe 51 connects with the drainage conduit 34, the filtrate pipe 52 and the mother
Liquid reuse pipe 35 connects.
The sulfur dioxide recovery tank 6 uses running water as absorbing medium, and the sulfur dioxide capture pot 7 is using alkali lye to catch
Catch medium.The sulfur dioxide capture pot 7 includes being arranged on the alkali lye shower 71 of tank body internal upper part, layer distributed in tank body
A number of alkali lye distribution grid 72 and the SO 2 tail gas pipe 73 of tank body inner bottom part.
Claims (9)
1. a kind of production system of sodium pyrosulfite, including reactor（3）, it is characterised in that：The reactor（3）Include air inlet
Component, reative cell（31）, upper lid（32）, blast pipe（33）And drainage conduit（34）, the air intake assembly includes main air inlet pipe（301）
With the aeration tube that on reaction chamber wall and extends downwardly is communicated and is arranged on the main air inlet pipe；The drainage conduit（34）Set
In the reative cell（31）Bottom simultaneously communicates therewith；The reactor（3）Inside it is additionally provided with agitating device.
A kind of 2. production system of sodium pyrosulfite according to claim 1, it is characterised in that：Also include first class purification to drop
Warm device（1）With secondary purification cooler（2）, the first class purification cooler（1）Entrance and sulfur furnace sulfur dioxide gas
Discharging opening connects, the secondary purification cooler（2）Entrance and first class purification cooler（1）Outlet connect, the reaction
Device（3）Main air inlet pipe（301）With the secondary purification cooler（2）Outlet with connecting；The first class purification cooler（1）
Including the tank body for being filled with water（11）, tank body is provided with gas access（12）And gas vent（13）, the gas access（12）
Go deep into below the water surface in tank body, the gas vent（13）It is arranged on more than the water surface.
A kind of 3. production system of sodium pyrosulfite according to claim 1, it is characterised in that：The air intake assembly also wraps
Include gas diffusion chamber（302）, the gas diffusion chamber（302）The reative cell is arranged in a manner of chuck（31）Outer wall, institute
State main air inlet pipe（301）Pass through the gas diffusion chamber with the aeration tube（302）Connection.
A kind of 4. production system of sodium pyrosulfite according to claim 1, it is characterised in that：Described drainage conduit（34）
On be provided with valve.
A kind of 5. production system of sodium pyrosulfite according to claim 3, it is characterised in that：Described blast pipe（33）
It is arranged on reactor（3）Top, and with the reative cell（31）Communicate, with the gas diffusion chamber（302）Isolation.
A kind of 6. production system of sodium pyrosulfite according to claim 2, it is characterised in that：Also include and the one-level
Purifying and cooling device（1）The impurity screening machine of connection（4）, the impurity screening machine（4）Including miscellaneous liquid pipe（41）, net liquid pipe（42）With
Impurity exhaust conduit（43）；The first class purification cooler（1）Also include feed tube（14）And discharging tube（15）；The miscellaneous liquid pipe
（41）With the discharging tube（15）Connect, the feed tube（14）The net liquid pipe（42）With connecting.
A kind of 7. production system of sodium pyrosulfite according to claim 1, it is characterised in that：Also include and the reaction
Device（3）The whizzer of connection（5）, the whizzer（5）Including stoste pipe（51）, filtrate pipe（52）Discharged with product
Mouthful（53）；The reactor（3）Also include mother liquor reuse pipe（35）；The stoste pipe（51）With the drainage conduit（34）Connect,
The filtrate pipe（52）With the mother liquor reuse pipe（35）Connect.
A kind of 8. production system of sodium pyrosulfite according to claim 1, it is characterised in that：Also include and the reaction
Device（3）The tail gas absorption component of connection；The tail gas absorption component includes sulfur dioxide recovery tank（6）With sulfur dioxide capture pot
（7）；The sulfur dioxide recovery tank（6）Running water is used as absorbing medium, the sulfur dioxide capture pot（7）Using alkali lye to catch
Catch medium.
A kind of 9. production system of sodium pyrosulfite according to claim 8, it is characterised in that：The sulfur dioxide is caught
Tank（7）Alkali lye shower including being arranged on tank body internal upper part（71）, in tank body layer distributed a number of alkali lye distribution
Plate（72）With the SO 2 tail gas pipe of tank body inner bottom part（73）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592389.2U CN206955656U (en) | 2017-05-25 | 2017-05-25 | A kind of production system of sodium pyrosulfite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592389.2U CN206955656U (en) | 2017-05-25 | 2017-05-25 | A kind of production system of sodium pyrosulfite |
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| CN206955656U true CN206955656U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176616A (en) * | 2017-05-25 | 2017-09-19 | 宣城市楷昂化工有限公司 | A kind of production system of sodium pyrosulfite |
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2017
- 2017-05-25 CN CN201720592389.2U patent/CN206955656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176616A (en) * | 2017-05-25 | 2017-09-19 | 宣城市楷昂化工有限公司 | A kind of production system of sodium pyrosulfite |
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