Patent

Patent List of Tianjin Bohua Engineering Co., Ltd. (Authorized)

NO name type
1 Device and method for adjusting and controlling oxidation reaction temperature in fixed bed maleic anhydride production by n-butane method invent
2 Tube heat exchanger suitable for high temperature gas practical
3 Automatic feeding system for roller kiln invent
4 Device and method for recovering light components by using flash tank invent
5 Device and method for removing heat from acrolein oxidation reaction invent
6 Butane-air mixing distributor invent
7 Combustion furnace for producing tail gas with an annual output of 60,000 tons of carbon black invent
8 Waste heat recovery system and combined alkali project using it practical
9 Safety system of carbon disulfide storage tank practical
10 Maleic anhydride pow recovery equipment and maleic anhydride powder recovery production system practical
11 Maleic anhydride pow recovery equipment and maleic anhydride powder recovery production system practical
12 Melting device and maleic anhydride powder recovery equipment practical
13 Safety instrument system for paste resin production practical
14 air-filter practical
15 Safety Instrumentation System for Viscosity Reducing Resin Production practical
16 wastewater treatment equipment practical
17 Equipment for removing vinyl chloride from slurry in viscosity-reducing resin production practical
18 Air drying tower device for PVC special resin practical
19 Waste heat recovery system and method invent
20 Closed continuous production equipment for emulsion resin plant practical
21 Paste resin drying production system practical
22 Industrial waste salt treatment equipment practical
23 Ammonia distillation tower for production of high-purity magnesium hydroxide practical
24 Gas converter and vinyl chloride production device practical
25 Salinization system for reuse of ammonia evaporation waste liquid after treatment by ammonia-alkali method practical
26 Ethylene glycol solution freezing system practical
27 Electronic alkali production system practical
28 Carbon disulfide steam bag and carbon disulfide production device practical
29 heating system practical
30 Floor slab and substation practical
31 Toxic gas exhaust device practical
32 Greenhouse heating system practical
33 Propylene recovery equipment practical
34 Refrigeration system of cold storage freezing station practical
35 Liquid-liquid two-phase automatic separation device practical
36 Discharge scraper for lime kiln and lime kiln provided with same practical
37 TA residue closed conveying device practical
38 Air conditioning system of explosion-proof control room practical
39 Natural gas carbon disulfide reaction system and safety instrument system thereof practical
40 Integrated high-temperature direct chlorination system practical
41 Oxygen chlorination system base on four-stage reactor practical
42 Liquid sulfur filtering, metering and feeding system practical
43 Perimeter alarm system for chemical industry area practical
44 Clean air conditioning system practical
45 Fluidized bed tail gas treatment equipment for producing heavy soda ash by solid-phase hydration method practical
46 Refined salt dissolving equipment practical
47 Mechanism for adjusting cathode inlet temperature of ion-exchange membrane caustic soda electrolyzer practical
48 Interconnection network laid by prefabricated metal members practical
49 Casing pipe reactor practical
50 Feeding device of coating agent for PVC polymerization reaction kettle practical
51 Control system of motor practical
52 Dual-power mutual-throw fire control system practical
53 Solvent recovery system for wastewater in maleic anhydride production practical
54 Safety interlock control system in the process of producing vinyl chloride by high-temperature chlorination reaction practical
55 An alkali evaporation device practical
56 Heating control circuit of motor space heater and motor control system practical
57 Curing equipment for synthetic resin practical
58 Switch state monitor system of circuit breaker practical
59 Separation device for chemical reaction products containing suspended particles practical
60 Purification device for treating ammonium chloride drying tail gas practical
61 Large-diameter high-pressure zirconium clad pressure vessel, and manufacturing method and application thereof invent
62 Chlorination reaction system practical
63 Building structure of linhai chemical storage tank area practical
64 System for utilize residual pressure of circulating cool water in soda ash preparation process by ammonia-alkali method practical
65 Hydration reaction device practical
66 Floor structure of chemical storage area practical
67 Application of toxic and harmful gas detector in linkage fire water spraying system of liquid ammonia storage tank practical
68 Cold and hot process gas heat exchanger practical
69 Fixed bed reactor for preparing maleic anhydride by n-butane oxidation method practical
70 Heavy ash process production system and production process thereof invent
71 Tar cleaning device of absorption tower in maleic anhydride production practical
72 Method and system for design flow field of maleic anhydride reactor invent
73 Fixed bed reactor for preparing propylene alcohol by propylene oxidation practical
74 Reaction section of integrate high-temperature chlorination reactor practical
75 Precise feeding equipment and maleic anhydride production system invent
76 Production method and device for large-scale maleic anhydride gas absorption invent
77 System for treat wastewater from rubber accelerator production practical
78 System for exhausting non-condensable gas in fluorine chemical production practical