CN111453709A - Novel electronic grade phosphorus pentachloride production device - Google Patents
Novel electronic grade phosphorus pentachloride production device Download PDFInfo
- Publication number
- CN111453709A CN111453709A CN202010281209.5A CN202010281209A CN111453709A CN 111453709 A CN111453709 A CN 111453709A CN 202010281209 A CN202010281209 A CN 202010281209A CN 111453709 A CN111453709 A CN 111453709A
- Authority
- CN
- China
- Prior art keywords
- treatment box
- phosphorus pentachloride
- filter screen
- electronic grade
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000000428 dust Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 11
- 238000003756 stirring Methods 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- OHZZTXYKLXZFSZ-UHFFFAOYSA-I manganese(3+) 5,10,15-tris(1-methylpyridin-1-ium-4-yl)-20-(1-methylpyridin-4-ylidene)porphyrin-22-ide pentachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mn+3].C1=CN(C)C=CC1=C1C(C=C2)=NC2=C(C=2C=C[N+](C)=CC=2)C([N-]2)=CC=C2C(C=2C=C[N+](C)=CC=2)=C(C=C2)N=C2C(C=2C=C[N+](C)=CC=2)=C2N=C1C=C2 OHZZTXYKLXZFSZ-UHFFFAOYSA-I 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241001233242 Lontra Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001263 acyl chlorides Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012320 chlorinating reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/10—Halides or oxyhalides of phosphorus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of phosphorus pentachloride production devices, and particularly relates to a novel electronic grade phosphorus pentachloride production device which comprises a treatment box, wherein one end of the treatment box is fixedly communicated with an air inlet pipe, an air pump is installed on the air inlet pipe, the bottom of one side of the treatment box is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating rod, one end of the rotating rod penetrates through the outer wall of the treatment box and is rotatably connected to the inner wall, a plurality of stirring shafts which are arranged at equal intervals are fixedly sleeved on the rotating rod, the bottom of one side of the treatment box is fixedly communicated with a feeding funnel, a feeding valve is installed on the feeding funnel, and one side of the treatment box, which is far away from the feeding valve, is fixedly communicated with a discharge pipe. Meanwhile, the activated carbon purification device is convenient to replace, so that the replacement efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of phosphorus pentachloride production, and particularly relates to a novel electronic grade phosphorus pentachloride production device.
Background
Phosphorus pentachloride, also called as phosphorus perchloride in Chinese, an acidic corrosive product, which is light yellow powder or crystal in appearance, has hydrochloric acid smell and is very easy to absorb moisture in air to deliquesce, is mainly used as a chlorinating agent, replaces hydroxyl in a compound with chlorine, particularly converts the acid into acyl chloride, and is used as a catalyst, a dehydrating agent and the production of lithium hexafluorophosphate.
But the phosphorus pentachloride tail gas purifier that has now generally is not convenient for change active carbon purifier, and is generally comparatively troublesome when changing active carbon purifier to it is slower to make the change efficiency.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel electronic grade phosphorus pentachloride production device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel electron level phosphorus pentachloride apparatus for producing, is including handling the case, the fixed intercommunication of one end of handling the case has the intake pipe, install the air pump in the intake pipe, the bottom fixedly connected with motor of handling case one side, fixedly connected with dwang on the output shaft of motor, the one end of dwang runs through the outer wall of handling the case and rotates and be connected to the inner wall, fixed the (mixing) shaft that has a plurality of equidistance settings of cup jointing on the dwang, the fixed intercommunication in bottom of handling case one side has feed hopper, the last feeding valve of installing of feed hopper, the fixed intercommunication in one side that feed valve was kept away from to the case has row material pipe, arrange the material pipe and install row material valve on the material pipe, handle the case and be close to one side fixedly connected with baffle of (mixing) shaft, be equipped with the vent on the baffle, the vent is internal fixation is inserted and is equipped with the sieve, one side that the intake pipe was kept away from to the case is equipped with two sockets that the symmetry set up, two all slide in the socket and insert and be equipped with the active carbon filter.
Preferably, an exhaust fan is installed on the L type exhaust pipe.
Preferably, one end of the L-type exhaust pipe, which is far away from the treatment box, is fixedly communicated with an exhaust hood, and a dust screen is fixedly inserted in the exhaust hood.
Preferably, the both sides that handle the case and be close to the backup pad are equipped with the spout, fixedly connected with slide bar in the spout, the L type kelly has been cup jointed in the slip on the slide bar, be equipped with the draw-in groove that corresponds with L type kelly in the backup pad, still the cover is equipped with the spring on the slide bar, the both ends of spring respectively with the inner wall fixed connection of L type kelly and spout.
Preferably, a handle is fixedly connected to one side of the supporting plate away from the treatment box.
Preferably, one end of the treatment tank close to the air inlet pipe is filled with granular activated carbon.
Preferably, the air inlet pipe is positioned at one end in the treatment box and is funnel-shaped, and a leak hole screen plate is fixedly inserted in the funnel-shaped inner part.
Preferably, the motor is fixedly connected with the outer wall of the treatment box through a plurality of fixing frames.
Has the advantages that:
1. according to the invention, the rotating rod is driven to rotate by the motor, so that the granular activated carbon is promoted to be fully contacted with the tail gas, the adsorption capacity of the granular activated carbon is improved, the purpose of treating the tail gas is achieved, and when the granular activated carbon in the treatment box needs to be replaced, the granular activated carbon in the treatment box is discharged from the discharge pipe by rotating the discharge valve, so that the replacement efficiency is improved.
2. According to the invention, the L-type clamping rod is slid to enable the L-type clamping rod to extrude the spring, so that the L-type clamping rod is separated from the clamping groove on the supporting plate, and then the activated carbon filter screen is pulled out from the treatment box by using the handle to be replaced and cleaned, so that the phosphorus pentachloride production device realizes adsorption and purification treatment of tail gas and an activated carbon purification device, and meanwhile, the activated carbon purification device is convenient to replace, and the replacement efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a front view structure of a novel electronic grade phosphorus pentachloride production device;
FIG. 2 is a schematic diagram of a side view of a novel apparatus for producing electronic grade phosphorus pentachloride;
FIG. 3 is a schematic structural diagram of an activated carbon filter screen of a novel electronic grade phosphorus pentachloride production device;
fig. 4 is a schematic structural diagram of a point a in fig. 1.
In the figure, 1-a treatment box, 2-an air inlet pipe, 3-an air pump, 4-a motor, 5-a rotating rod, 6-a stirring shaft, 7-a feeding funnel, 8-a feeding valve, 9-a discharging pipe, 10-a discharging valve, 11-a partition plate, 12-a sieve plate, 13-an activated carbon filter screen, 14-a support plate, 15-L type exhaust pipes, 16-an exhaust fan, 17-an exhaust hood, 18-a dust screen, 19-a sliding rod, 20-L type clamping rods, 21-a spring, 22-a handle, 23-a leakage hole screen plate and 24-a fixing frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a novel electronic grade phosphorus pentachloride apparatus for producing, including handling case 1, a tail gas that is arranged in being used for producing pentachloride in the production process carries out purification treatment, the one end fixed intercommunication of handling case 1 has intake pipe 2, a tail gas that is arranged in being used for producing pentachloride in the production process is arranged in handling case 1, install air pump 3 in the intake pipe 2, a bottom fixedly connected with motor 4 that will handle case 1 one side, a fixedly connected with dwang 5 on the output shaft for driving dwang 5 and rotate, a fixedly connected with dwang 5 for driving stirring shaft 6 and rotate, the one end of dwang 5 runs through the outer wall of handling case 1 and is rotationally connected to the inner wall, the fixed set up of fixed cover has the (mixing) shaft 6 of a plurality of equidistance setting on dwang 5, a granule activated carbon in handling case 1 stirs, thereby promote granule activated carbon and carry out abundant contact with tail gas, improve the absorptive capacity of granule activated carbon, the bottom fixed intercommunication of handling case 1 one side has feed hopper 7, a feed hopper for pouring into granule, install feed hopper 7 on feed hopper 7, a fixed intercommunication of handle case 1, a filter screen board is equipped with the filter screen board 13, the filter screen board is used for the filter screen board 13 is arranged in the filter screen board, the filter screen board is arranged in the filter screen board, the filter screen board is connected with the filter screen board, the filter screen board is connected with the filter board 13, the filter board is connected with the filter board, the filter board is connected with the filter board 13, the filter board, the filter.
In this embodiment, an exhaust fan 16 is attached to the L-type exhaust pipe 15 to exhaust the exhaust gas from the treatment tank 2.
In this embodiment, the end of the L-type exhaust pipe 15 away from the processing box 1 is fixedly communicated with the exhaust hood 17, so that the capability of resisting external interference and air flow is strong, and the strong exhaust hood 17 is internally and fixedly inserted with the dust screen 18, so as to prevent impurities and dust from entering the L-type exhaust pipe 15.
In this embodiment, the two sides of the processing box 1 close to the supporting plate 14 are provided with sliding grooves, a sliding rod 19 is fixedly connected in the sliding grooves and used for supporting L-type clamping rods 20, the sliding rod 19 is slidably sleeved with a L-type clamping rod 20 and used for elastically clamping the supporting plate 14, the supporting plate 14 is provided with clamping grooves corresponding to the L-type clamping rods 20, the sliding rod 19 is further sleeved with a spring 21, and two ends of the spring 21 are respectively fixedly connected with the L-type clamping rod 20 and the inner wall of the sliding groove and used for elastically supporting the L-type clamping rod 20 to a certain extent.
In this embodiment, a handle 22 is fixedly connected to one side of the supporting plate 14 away from the treatment box 1, so that the activated carbon filter screen 13 can be conveniently drawn out from the treatment box 1.
In this embodiment, one end of the treatment tank 1 near the intake pipe 2 is filled with granular activated carbon.
In this embodiment, the one end that intake pipe 2 is located and handles case 1 is hopper-shaped, and just hopper-shaped internal fixation inserts and is equipped with small opening otter board 23, prevents that granular activated carbon from getting into in the intake pipe 2.
In this embodiment, the motor 4 is fixedly connected with the outer wall of the treatment box 1 through a plurality of fixing frames 24, so as to enhance the stability of the motor 4.
When the exhaust purification device is used, granular activated carbon is firstly injected into a treatment box 1 from a feeding hopper 7, the exhaust to be treated is pumped into an air inlet pipe 2 through an air pump 3, the exhaust enters the treatment box 1 through the air inlet pipe 2, meanwhile, a motor 4 and an exhaust fan 16 are started through an external power supply, a rotating rod 5 is driven to rotate through the motor 4, so that the granular activated carbon is promoted to be in full contact with the exhaust, the adsorption capacity of the granular activated carbon is improved, the exhaust treatment purpose is achieved, when the granular activated carbon in the treatment box 1 needs to be changed, the granular activated carbon in the treatment box 1 is discharged from a discharge pipe 9 by rotating a discharge valve 10, so that the change efficiency is improved, a small amount of harmful substances exist after the exhaust is filtered and adsorbed by the granular activated carbon in the treatment box 1, the exhaust enters an activated carbon filter screen 13 from a vent to be filtered again under the action of the exhaust fan 16, so that the exhaust purification effect is promoted, the exhaust is finally discharged from a L type exhaust pipe 15 after being filtered by multiple times, when the activated carbon needs to be changed, a L slides to enable a filter rod to be separated from an active carbon rod 6320, so that an active carbon purification device can be conveniently replaced by an active clamp rod device, and a filter screen 6320, and a filter plate 3621 is conveniently used for producing an active carbon purification device, and a purification device for purifying handle device for cleaning clamp device for cleaning and a cleaning clamp device for cleaning exhaust purification device for cleaning a cleaning exhaust.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a novel electronic grade phosphorus pentachloride apparatus for producing, is including handling case (1), its characterized in that the fixed intercommunication of one end of handling case (1) has intake pipe (2), install air pump (3) on intake pipe (2), the bottom fixedly connected with motor (4) of handling case (1) one side, fixedly connected with dwang (5) on the output shaft of motor (4), the one end of dwang (5) runs through the outer wall of handling case (1) and rotates and is connected to the inner wall, the fixed (mixing) shaft (6) that cup joints a plurality of equidistance and sets up on dwang (5), the fixed intercommunication in bottom of handling case (1) one side has feed hopper (7), install feed valve (8) on feed hopper (7), the fixed intercommunication in one side of keeping away from feed valve (8) has feed pipe (9), install on feed pipe (9) and arrange material valve (10), one side fixedly connected with baffle (11) that handling case (1) is close to feed valve (6), be equipped with baffle (11) on baffle (11), the fixed connection has discharge pipe (12) of ventilation screen (1) one side, the filter screen (13) is equipped with the corresponding with two filter screen (13) of the fixed connection of inserting of filter screen (13), the filter screen (13) is equipped with the fixed connection of the filter screen (13), the both sides of the filter screen (13) is equipped with the filter screen (13) on the fixed connection of the both sides of handling case (13), the filter screen board (13.
2. The novel electronic grade phosphorus pentachloride production device as claimed in claim 1, wherein the L type exhaust pipe (15) is provided with an exhaust fan (16).
3. The novel electronic grade phosphorus pentachloride production device as claimed in claim 1, wherein one end of the L type exhaust pipe (15) far away from the treatment box (1) is fixedly communicated with an exhaust hood (17), and a dust screen (18) is fixedly inserted in the exhaust hood (17).
4. The novel electronic grade phosphorus pentachloride production device according to claim 1, wherein sliding grooves are arranged on two sides of the treatment box (1) close to the support plate (14), a sliding rod (19) is fixedly connected in the sliding grooves, L-type clamping rods (20) are slidably sleeved on the sliding rod (19), clamping grooves corresponding to L-type clamping rods (20) are arranged on the support plate (14), a spring (21) is further sleeved on the sliding rod (19), and two ends of the spring (21) are respectively fixedly connected with L-type clamping rods (20) and inner walls of the sliding grooves.
5. The novel electronic grade phosphorus pentachloride production device of claim 1, characterized in that: one side of the supporting plate (14) far away from the treatment box (1) is fixedly connected with a handle (22).
6. The novel electronic grade phosphorus pentachloride production device of claim 1, characterized in that: one end of the treatment box (1) close to the air inlet pipe (2) is filled with granular activated carbon.
7. The novel electronic grade phosphorus pentachloride production device of claim 1, characterized in that: one end of the air inlet pipe (2) in the treatment box (1) is funnel-shaped, and a leak hole screen plate (23) is inserted into the funnel-shaped inner fixing part.
8. The novel electronic grade phosphorus pentachloride production device of claim 1, characterized in that: the motor (4) is fixedly connected with the outer wall of the treatment box (1) through a plurality of fixing frames (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281209.5A CN111453709A (en) | 2020-04-11 | 2020-04-11 | Novel electronic grade phosphorus pentachloride production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281209.5A CN111453709A (en) | 2020-04-11 | 2020-04-11 | Novel electronic grade phosphorus pentachloride production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111453709A true CN111453709A (en) | 2020-07-28 |
Family
ID=71675469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010281209.5A Pending CN111453709A (en) | 2020-04-11 | 2020-04-11 | Novel electronic grade phosphorus pentachloride production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111453709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090320A (en) * | 2020-09-05 | 2020-12-18 | 周宝闰 | Dispersion machine for inorganic ink processing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991017803A1 (en) * | 1990-04-09 | 1991-11-28 | James Bartholomew | Mobile airborne air cleaning station |
| CN203513282U (en) * | 2013-10-11 | 2014-04-02 | 浙江巨化凯蓝新材料有限公司 | Phosphorus pentafluoride continuously-synthesizing device |
| WO2017152340A1 (en) * | 2016-03-07 | 2017-09-14 | 刘湘静 | Pharmaceutical and chemical industry emission purification equipment |
| CN107596913A (en) * | 2017-11-02 | 2018-01-19 | 杭州星翼进出口有限公司 | A kind of emission-control equipment based on pesticide producing |
| CN208943783U (en) * | 2018-09-20 | 2019-06-07 | 宿州汉泰化工有限公司 | A kind of phosphorus pentachloride exhaust gas cleaner |
| CN209519555U (en) * | 2019-01-26 | 2019-10-22 | 山西乐源美环保科技有限公司 | A kind of VOC emission-control equipment |
| CN209893442U (en) * | 2019-04-08 | 2020-01-03 | 蔡本华 | Energy-saving environment-friendly boiler |
| CN209893573U (en) * | 2019-05-22 | 2020-01-03 | 关向辉 | Air purification device for hazardous waste treatment |
-
2020
- 2020-04-11 CN CN202010281209.5A patent/CN111453709A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991017803A1 (en) * | 1990-04-09 | 1991-11-28 | James Bartholomew | Mobile airborne air cleaning station |
| CN203513282U (en) * | 2013-10-11 | 2014-04-02 | 浙江巨化凯蓝新材料有限公司 | Phosphorus pentafluoride continuously-synthesizing device |
| WO2017152340A1 (en) * | 2016-03-07 | 2017-09-14 | 刘湘静 | Pharmaceutical and chemical industry emission purification equipment |
| CN107596913A (en) * | 2017-11-02 | 2018-01-19 | 杭州星翼进出口有限公司 | A kind of emission-control equipment based on pesticide producing |
| CN208943783U (en) * | 2018-09-20 | 2019-06-07 | 宿州汉泰化工有限公司 | A kind of phosphorus pentachloride exhaust gas cleaner |
| CN209519555U (en) * | 2019-01-26 | 2019-10-22 | 山西乐源美环保科技有限公司 | A kind of VOC emission-control equipment |
| CN209893442U (en) * | 2019-04-08 | 2020-01-03 | 蔡本华 | Energy-saving environment-friendly boiler |
| CN209893573U (en) * | 2019-05-22 | 2020-01-03 | 关向辉 | Air purification device for hazardous waste treatment |
Non-Patent Citations (2)
| Title |
|---|
| 莫杨等: "活性炭法净化制鞋箱包车间局部排风高浓度苯系物尾气的可行性", 《环境与健康杂志》 * |
| 魏福祥等: "高纯度五氯化磷清洁生产工艺研究", 《现代化工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090320A (en) * | 2020-09-05 | 2020-12-18 | 周宝闰 | Dispersion machine for inorganic ink processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207856619U (en) | A kind of gas cleaning plant of activated carbon adsorption | |
| CN108862815A (en) | Dry-wet separation sewage treatment device | |
| CN110435049A (en) | A kind of processing regenerated equipment of heavy duty detergent waste plastic | |
| CN111938175A (en) | Sufficient belt cleaning device is used in fig processing | |
| CN106492681A (en) | A kind of industrial chemicals hybrid process equipment for facilitating pneumatic discharge | |
| CN111453709A (en) | Novel electronic grade phosphorus pentachloride production device | |
| CN108503070A (en) | A kind of anticlogging sewage-treatment plant | |
| CN212882115U (en) | Fertilizer blending device | |
| CN212417528U (en) | Amino acid chemical fertilizer production waste gas treatment equipment | |
| CN210736380U (en) | Coupling dispersion type rural domestic sewage treatment system | |
| CN111704483A (en) | Circulation moving groove type aerobic rapid fermentation system | |
| CN206262283U (en) | New Masterbatch production purifier | |
| CN215975306U (en) | Water purification reaction equipment for industrial wastewater discharge treatment | |
| CN207871766U (en) | New material air purification device | |
| CN213012608U (en) | Circulation moving groove type aerobic rapid fermentation system | |
| CN211379568U (en) | Dewatering device is used in vegetables processing | |
| CN111908750A (en) | Sludge treatment device | |
| CN207413045U (en) | A kind of feed addictive pulverizer dust collector | |
| CN215963360U (en) | Jar equipment is mixed to bituminous mixture high efficiency | |
| CN112194301A (en) | Outdoor rainwater is collected and is used filter equipment | |
| CN215427716U (en) | A purification device for linking sodium hydrosulfite production | |
| CN218296538U (en) | Organic fertilizer sunning drying device | |
| CN217051899U (en) | A high-efficiency radiant air conditioning system water quality stabilization device | |
| CN218608689U (en) | Dirty air washing reduces discharging device | |
| CN216711776U (en) | Breed simple processing apparatus of house sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200728 |