CN215087120U - Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine - Google Patents
Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine Download PDFInfo
- Publication number
- CN215087120U CN215087120U CN202121081122.XU CN202121081122U CN215087120U CN 215087120 U CN215087120 U CN 215087120U CN 202121081122 U CN202121081122 U CN 202121081122U CN 215087120 U CN215087120 U CN 215087120U
- Authority
- CN
- China
- Prior art keywords
- reaction kettle
- pipeline
- solid
- liquid separation
- stirring
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a useless crushed aggregates utilization all-in-one of chromium-containing leather, the design point lies in, include: the device comprises a first conveying device, a reaction device, a solid-liquid separation device (comprising a second conveying device), a first pipeline, a second pipeline and a third pipeline; the first pump is connected with an inlet of the solid-liquid separation device through a first pipeline; a first outlet of the solid-liquid separation device is connected with the second reaction kettle through a second pipeline, and the second pipeline is connected with a second pipeline connecting port; and a second outlet of the solid-liquid separation device is connected with the third reaction kettle through a third pipeline, and the third pipeline is connected with a third pipeline connector. Adopt the useless crushed aggregates of chromium-containing leather utilization all-in-one equipment of this application, can effectual recovery recycle the useless crushed aggregates of chromium-containing leather.
Description
Technical Field
The utility model relates to a leather field, solid useless utilization field, more specifically say, especially relate to a useless crushed aggregates utilization all-in-one of chromium-containing leather.
Background
The chrome-containing waste leather scraps belong to dangerous solid wastes (2021 edition of national hazardous waste catalogue), and are mainly obtained from a leather processing and cutting process using chromium salt as a tanning agent. At present, enterprises with hazardous wastes operating licenses are entrusted or are handed over to production enterprises meeting exemption qualifications to process regenerated leather and electrostatic flocking powder. The processing cost of each ton of chromium-containing leather waste crushed aggregates is more than 1600 yuan, and because the enterprises which have the qualification for processing the chromium-containing leather waste crushed aggregates are few, part of dangerous wastes of tanning enterprises can not be processed in a compliance way. Therefore, the high dangerous waste treatment cost and the loss of qualified enterprises bring heavy burden to the enterprises, and the current situation restricts the sustainable development of tanning enterprises.
The bottle neck problem faced by the tanning enterprises at present can be effectively solved by the development of the chromium-containing leather waste scrap recycling all-in-one machine. The enterprise uses this equipment, can carry out resource utilization with the useless crushed aggregates that contain chromium, obtains the collagen filler that can be used for the leather-making production back and contains chromium protein retanning filler, can reduce high danger for the enterprise and give up the treatment cost, practices thrift the raw and other materials cost simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a useless crushed aggregates utilization all-in-one of chromium-containing leather to the not enough of above-mentioned prior art.
The technical scheme of the utility model is realized like this:
the utility model provides a useless crushed aggregates of chromium-containing leather utilizes all-in-one as resources, includes: the device comprises a first conveying device, a reaction device, a solid-liquid separation device, a first pipeline, a second pipeline and a third pipeline;
wherein, the first conveying device adopts a belt conveyor;
wherein, reaction unit includes: a first reaction kettle, a second reaction kettle and a third reaction kettle;
first reation kettle includes: the device comprises a first stirring device, a temperature control device, a water injection hole, a feed inlet, a liquid level meter, a thermometer, a pH detection device and a first pump; wherein, the temperature control device is arranged inside the first reaction kettle; the water injection hole, the feed inlet, the liquid level meter, the thermometer and the pH detection device are all arranged on the top cover of the first reaction kettle; the first stirring device comprises a motor and a stirring shaft, the motor is arranged on the top cover of the first reaction kettle, the stirring shaft penetrates through the top cover of the first reaction kettle and enters the first reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades;
the bottom of the first reaction kettle is connected with one end of a first pump;
the second reaction kettle comprises: a second stirring device, a water injection hole, a charging hole, a liquid level meter, a thermometer, a pH detection device, a second pipeline connector and a second pump; wherein, the water injection hole, the feed inlet, the liquid level meter, the thermometer, the pH detection device and the second pipeline connecting port are all arranged on the top cover of the second reaction kettle; the second stirring device comprises a motor and a stirring shaft, the motor is arranged on the top cover of the second reaction kettle, the stirring shaft penetrates through the top cover of the second reaction kettle and enters the second reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades;
the bottom of the second reaction kettle is connected with one end of a second pump;
the third reaction kettle comprises: a third stirring device, a temperature control device, a water injection hole, a feed inlet, a liquid level meter, a thermometer, a pH detection device, a third pipeline connector and a third pump; wherein, the temperature control device is arranged inside the third reaction kettle; the water injection hole, the feed inlet, the liquid level meter, the thermometer, the pH detection device and the third pipeline connecting port are all arranged on the top cover of the third reaction kettle; the third stirring device comprises a motor and a stirring shaft, the motor is arranged on a top cover of the third reaction kettle, the stirring shaft penetrates through the top cover of the third reaction kettle and enters the third reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades;
the bottom of the third reaction kettle is connected with one end of a third pump;
the solid-liquid separation device realizes solid-liquid separation through a filter press, and a shaftless screw propeller is arranged at the bottom of the solid-liquid separation device; the upper part of the solid-liquid separation device is provided with an inlet, the middle part is provided with a first outlet, and the lower part is provided with a second outlet;
the first conveying device is connected with the first reaction kettle;
the first pump is connected with an inlet of the solid-liquid separation device through a first pipeline;
a first outlet of the solid-liquid separation device is connected with the second reaction kettle through a second pipeline, and the second pipeline is connected with a second pipeline connecting port;
and a second outlet of the solid-liquid separation device is connected with the third reaction kettle through a third pipeline, and the third pipeline is connected with a third pipeline c connector.
Further, the first pump adopts a diaphragm pump, the second pump adopts a centrifugal pump, and the third pump adopts an acid-resistant centrifugal pump.
Further, the three reaction kettles are all temperature-control pressure-maintaining reaction kettles.
Furthermore, the temperature control device adopts a plurality of layers of steam coils, and the functions of heating and cooling can be realized simultaneously.
Furthermore, the stirring shafts of the first stirring device, the second stirring device and the third stirring device are all made of acid-resistant materials.
Further, the height of the first outlet of the solid-liquid separation device is higher than that of the second pipeline connecting port of the second reaction kettle.
Further, the height of a second outlet of the solid-liquid separation device is higher than that of a third pipeline connecting port of the third reaction kettle.
Further, still include: a finished product memory; the other end of the second pump is connected with a finished product storage device, and the other end of the third pump is connected with the finished product storage device.
Furthermore, the first reaction kettle, the second reaction kettle and the third reaction kettle are made of anticorrosive materials, namely stainless steel, enamel and glass fiber reinforced plastic.
The utility model has the advantages that:
first, the equipment that this application was researched and developed uses the belt conveyor can relax and evenly carry the useless crushed aggregates of chromium-containing leather into reation kettle 5 (hydrolysis reaction cauldron promptly), and reation kettle 5 adopts 304 steel, and inside sets up the heating of multilayer steam coil, and steam coil can realize the function of intensification and cooling simultaneously. Slurry hydrolyzed in the first reaction kettle 5 is pumped into a solid-liquid separation device through a diaphragm pump to realize solid-liquid separation, liquid separated by the solid-liquid separation device enters the second reaction kettle 6 in a self-flowing mode, a liquid retanning agent product is obtained through feeding reaction, solid residues separated by the solid-liquid separation device enter the third reaction kettle 7 through a conveying device, and the liquid chromium-containing retanning agent is obtained through feeding reaction.
Secondly, the equipment developed by the application can realize no waste gas, waste residue and other secondary pollutants; and the noise generated by the production equipment is small, and the influence and pollution to the surrounding environment can not be caused.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
FIG. 1 is a schematic design diagram of a chromium-containing leather waste and crushed aggregates resource utilization all-in-one machine.
The reference numerals are explained below:
the device comprises a first conveying device 1, a first stirring device 2, a second stirring device 3, a third stirring device 4, a first reaction kettle 5, a second reaction kettle 6, a third reaction kettle 7, a temperature control device 8, a stirring shaft 9, a solid-liquid separation device 10, a shaftless screw propeller 11, a first pump 12, a second pump 13, a third pump 14, a water injection hole 15, a feeding hole 16, a liquid level meter 17, a thermometer 18 and a pH detection device 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Embodiment one, see fig. 1.
The utility model provides a useless crushed aggregates of chromium-containing leather utilizes all-in-one as resources, includes: a first conveying device 1, a reaction device and a solid-liquid separation device 10;
wherein, the first conveying device 1 adopts a belt conveyor (also can select a plate conveyor, a trolley conveyor, a bucket elevator and a suspension conveyor);
wherein, reaction unit includes: a first reaction kettle 5, a second reaction kettle 6 and a third reaction kettle 7;
a top cover of the first reaction kettle 5 is provided with: a water injection hole 15, a feed inlet 16, a liquid level meter 17 (for monitoring the liquid height), a thermometer 18 (for monitoring the liquid temperature), a pH detection device 19 (for detecting the pH of the liquid), and a first stirring device 2; the first reaction kettle 5 is internally provided with: a temperature control device 8 (for adjusting the temperature of the liquid inside the reaction kettle); the bottom of the first reaction kettle 5 is connected with one end of a first pump 12;
the first stirring device 2 comprises a motor and a stirring shaft 9, the motor is arranged on a top cover of the first reaction kettle 5, the stirring shaft penetrates through the top cover to be arranged inside the reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades;
be provided with on No. two reation kettle 6's the top cap: a water injection hole 15, a feed inlet 16, a liquid level meter 17, a thermometer 18, a pH detection device 19 and a second pipeline b connecting port; no. two reation kettle 6 still is provided with: a second stirring device 3; the bottom of the second reaction kettle 6 is connected with one end of a second pump 13;
a top cover of the third reaction kettle 7 is provided with: a water injection hole 15, a feed inlet 16, a liquid level meter 17, a thermometer 18, a pH detection device 19 and a third pipeline c connecting port; no. two reation kettle 6 still is provided with: a third stirring device 4 and a temperature control device 8; the bottom of the third reaction kettle 7 is connected with one end of a third pump 14;
wherein the solid-liquid separation apparatus 10 comprises: the filter press and the second conveying device are used for realizing solid-liquid separation after being filtered by the solid-liquid separation device 10; a shaftless screw propeller 11 (namely, a second conveying device, of course, the second conveying device can be replaced by a belt conveyor, a plate conveyor, a trolley conveyor, a bucket elevator, a suspension conveyor and other conveying devices) is arranged at the bottom of the solid-liquid separation device so as to push the solid to a second outlet;
the upper part of the solid-liquid separation device 10 is provided with an inlet, the middle part is provided with a first outlet, and the lower part is provided with a second outlet;
the first conveying device 1 is connected with the first reaction kettle 5, namely the first conveying device 1 is used for conveying materials into the first reaction kettle 5;
the first pump 12 is connected with an inlet of the solid-liquid separation device 10 through a first pipeline a;
a first outlet of the solid-liquid separation device 10 is connected with the second reaction kettle 6 through a second pipeline b, and the second pipeline b is connected with a second pipeline b connector;
and a second outlet of the solid-liquid separation device 10 is connected with the third reaction kettle 7 through a third pipeline c, and the third pipeline c is connected with a third pipeline c connector.
Further, it should be noted that: the first pump 12 adopts a diaphragm pump, the second pump 13 adopts a common centrifugal pump, and the third pump 14 adopts an acid-proof centrifugal pump.
Further, it should be noted that: the three reaction kettles are temperature-control pressure-maintaining reaction kettles.
Further, it should be noted that: the temperature control device 8 adopts a plurality of layers of steam coils, and can realize the functions of heating and cooling at the same time.
Further, it should be noted that: the motor power of the first stirring device 2, the second stirring device 3 and the third stirring device 4 is 5.5-7.5 kilowatts, the rotation speed of a speed reducer is 20-40rpm, and the stirring shafts are all made of acid-resistant materials.
Further, it should be noted that: the height of the solid-liquid separation device 10 is higher than the tops of the first reaction kettle 5, the second reaction kettle 6 and the third reaction kettle 7, and the separated liquid material can automatically flow into the second reaction kettle 6.
The utility model discloses a theory of operation is:
when in use, a certain amount of clean water is injected into the first reaction kettle 5 through a water injection hole 15 arranged on the top cover of the first reaction kettle 5, and then a certain amount of chemical materials are added into the first reaction kettle 5 through a feeding hole 16 arranged on the top cover of the first reaction kettle 5; then, starting the first stirring device 2, and simultaneously, enabling the temperature control device 8 to work to enable the temperature inside the first reaction kettle 5 to rise to 90 ℃; slowly adding the chromium-containing waste leather crushed aggregates into a first reaction kettle 5 through a first conveying device 1, continuously adding the chromium-containing waste leather crushed aggregates, continuously increasing the slurry in the kettle, detecting the pH value of the slurry through a pH detection device 19, and continuously adding alkali into the first reaction kettle 5 through a feed inlet 16 formed in the top cover of the first reaction kettle 5 according to actual needs to control the pH value of the slurry within a preset range; after the reaction in the first reaction kettle 5 is finished, cooling the slurry in the kettle to be within 60 ℃ through a temperature control device 8 (in a mode that cold water flows into a coil), and pumping the slurry into a solid-liquid separation device 10 through a first pump 12 and a first pipeline a to carry out solid-liquid separation; the liquid enters a second reaction kettle 6 through a second pipeline b, and the solid enters a third reaction kettle 7 through a third pipeline c;
store foretell liquid in No. two reation kettle 6, open No. two agitating unit 3 to inject liquid auxiliary agent through the water injection hole 15 that No. two reation kettle 6 top caps set up, add solid auxiliary agent through the charge door that No. two reation kettle 6 top caps set up, the reaction obtains liquid retanning agent product and pumps into the finished product memory through No. two pumps 13.
And a third reaction kettle 7, wherein before solid residues are added, a certain amount of water is added into the third reaction kettle 7 through a water injection hole 15 arranged on the top cover of the third reaction kettle 7, a certain amount of composite acid is added through a feeding port 16 arranged on the top cover of the third reaction kettle 7, a third stirring device 4 is started, solid residues are added through a third pipeline c in the process of uniform stirring, after the solid residues are completely added and dissolved, the temperature of the third reaction kettle 7 is raised to 90 ℃ through a temperature control device 8 in the third reaction kettle 7, after the reaction is finished, alkali is added through the feeding port 16 arranged on the top cover of the third reaction kettle 7 to neutralize the pH value to 3.5, so that a liquid chrome-containing retanning agent product is obtained, and the product is pumped into a finished product storage device through a third pump 14.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.
Claims (10)
1. The utility model provides a useless crushed aggregates of chromium-containing leather resourceful utilization all-in-one which characterized in that includes: the device comprises a first conveying device, a reaction device, a solid-liquid separation device, a first pipeline, a second pipeline and a third pipeline;
wherein, reaction unit includes: a first reaction kettle, a second reaction kettle and a third reaction kettle;
first reation kettle includes: a first stirring device and a first pump;
the second reaction kettle comprises: a second stirring device and a second pipeline connecting port;
the third reaction kettle comprises: a third stirring device and a third pipeline connecting port;
the device comprises a solid-liquid separation device, a first outlet and a second outlet, wherein the solid-liquid separation device is used for realizing solid-liquid separation, the upper part of the solid-liquid separation device is provided with an inlet, and the middle part of the solid-liquid separation device is provided with the first outlet for outputting separated liquid; the lower part is provided with a second outlet for outputting the separated solid;
the first conveying device is connected with the first reaction kettle;
the first pump is connected with an inlet of the solid-liquid separation device through a first pipeline; a first outlet of the solid-liquid separation device is connected with the second reaction kettle through a second pipeline, and the second pipeline is connected with a second pipeline connecting port; and a second outlet of the solid-liquid separation device is connected with the third reaction kettle through a third pipeline, and the third pipeline is connected with a third pipeline connector.
2. The all-in-one machine for recycling chromium-containing leather waste scraps as claimed in claim 1, wherein the solid-liquid separation device adopts a filter press to realize solid-liquid separation, the bottom of the all-in-one machine is provided with a second conveying device, and the second conveying device adopts a belt conveyor, a shaftless screw propeller, a plate conveyor, a trolley conveyor, a bucket elevator and a hanging conveyor.
3. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 1, wherein a diaphragm pump is adopted as a first pump, a centrifugal pump is adopted as a second pump, and an acid-resistant centrifugal pump is adopted as a third pump.
4. The chromium-containing leather waste crushed material resource utilization all-in-one machine as claimed in claim 1, wherein the first reaction kettle, the second reaction kettle and the third reaction kettle are temperature control reaction kettles.
5. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 1, 2, 3 or 4, wherein the temperature control device adopts a plurality of layers of steam coils, and can realize the functions of heating and cooling simultaneously.
6. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 1, wherein stirring shafts of the first stirring device, the second stirring device and the third stirring device are made of acid-resistant materials.
7. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 1, wherein the height of the first outlet of the solid-liquid separation device is higher than the height of the second pipeline connecting port of the second reaction kettle.
8. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 7, wherein the height of the second outlet of the solid-liquid separation device is higher than the height of the third pipeline connecting port of the third reaction kettle.
9. The all-in-one machine for recycling chromium-containing leather waste scraps as claimed in claim 1, wherein the first conveying device adopts a belt conveyor, a shaftless screw propeller, a plate conveyor, a trolley conveyor, a bucket elevator and a hanging conveyor.
10. The all-in-one machine for recycling waste chromium-containing leather scraps as claimed in claim 1, wherein the first reaction kettle further comprises: the device comprises a temperature control device, a water injection hole, a feed inlet, a liquid level meter, a thermometer and a pH detection device; wherein, the temperature control device is arranged inside the first reaction kettle; the water injection hole, the feed inlet, the liquid level meter, the thermometer and the pH detection device are all arranged on the top cover of the first reaction kettle; the first stirring device comprises a motor and a stirring shaft, the motor is arranged on the top cover of the first reaction kettle, the stirring shaft penetrates through the top cover of the first reaction kettle and enters the first reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades; the bottom of the first reaction kettle is connected with one end of a first pump;
the second reaction kettle also comprises: a water injection hole, a feed inlet, a liquid level meter, a thermometer, a pH detection device and a second pump; wherein, the water injection hole, the feed inlet, the liquid level meter, the thermometer, the pH detection device and the second pipeline connecting port are all arranged on the top cover of the second reaction kettle; the second stirring device comprises a motor and a stirring shaft, the motor is arranged on the top cover of the second reaction kettle, the stirring shaft penetrates through the top cover of the second reaction kettle and enters the second reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades; the bottom of the second reaction kettle is connected with one end of a second pump;
third reation kettle still includes: the device comprises a temperature control device, a water injection hole, a charging hole, a liquid level meter, a thermometer, a pH detection device and a third pump; wherein, the temperature control device is arranged inside the third reaction kettle; the water injection hole, the feed inlet, the liquid level meter, the thermometer, the pH detection device and the third pipeline connecting port are all arranged on the top cover of the third reaction kettle; the third stirring device comprises a motor and a stirring shaft, the motor is arranged on a top cover of the third reaction kettle, the stirring shaft penetrates through the top cover of the third reaction kettle and enters the third reaction kettle, and the lower end part of the stirring shaft is provided with stirring blades; the bottom of the third reaction kettle is connected with one end of a third pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121081122.XU CN215087120U (en) | 2021-05-19 | 2021-05-19 | Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121081122.XU CN215087120U (en) | 2021-05-19 | 2021-05-19 | Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215087120U true CN215087120U (en) | 2021-12-10 |
Family
ID=79297936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121081122.XU Active CN215087120U (en) | 2021-05-19 | 2021-05-19 | Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215087120U (en) |
-
2021
- 2021-05-19 CN CN202121081122.XU patent/CN215087120U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106623370A (en) | Treatment process and system for organic silica mud | |
| CN105436196B (en) | Kitchen garbage total matter oil removing system and deoiling method | |
| CN106281396A (en) | Waste plastic cracking equipment and method | |
| CN101363146B (en) | Spinning dissolvant white oil recovery technology | |
| CN104843785A (en) | Titanium dioxide continuous acidolysis method as well as mineral acid pre-mixing tank and reactor feeding tank applied to method | |
| CN215087120U (en) | Chromium-containing leather waste crushed aggregate resource utilization all-in-one machine | |
| CN110743476B (en) | Multifunctional calcium hydroxide preparation tank and preparation method | |
| CN209906714U (en) | Heating and dosing equipment | |
| CN208414264U (en) | A kind of processing system of vacuum salt production by-produced gypsum | |
| CN206188688U (en) | Benzene series thing nitrifies recycling processed system of spent acid | |
| CN103785671A (en) | Oil recovery system and method used for kitchen waste treatment | |
| CN210357154U (en) | A reation kettle for giving up useless processing admittedly | |
| CN207294203U (en) | A kind of nitration mixture processing system of hydrochloric acid and hydrofluoric acid | |
| CN214020742U (en) | Pipeline connecting mechanism of reaction kettle | |
| CN207276585U (en) | A kind of processing unit for recycling the raw material for preparing biodiesel | |
| CN221580345U (en) | Reaction kettle material distillation and cooling water dead-angle-free circulating collection device | |
| CN109735363A (en) | A kind of heating medicine machine | |
| CN109694824A (en) | A kind of sturgeon protein peptides production system | |
| CN205241295U (en) | Novel PCB waste liquor recovery device | |
| CN219670655U (en) | Etching solution recycling and conveying equipment with adding structure | |
| CN205917143U (en) | Novel plumbous mud desulfurization device | |
| CN203144221U (en) | Recycling treatment system of villiaumite-containing waste alkali solution | |
| CN209379644U (en) | A kind of processing system of non-ferrous metal metallurgy arsenic slag | |
| CN204211575U (en) | A kind of oil field unconventional well fracturing outlet liquid sledge-borne type treatment system | |
| CN214344623U (en) | Anti-aging agent TMQ subsides residual processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |