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    Installation of ammonia refrigeration system in brewery

    Installation of ammonia refrigeration system in brewery 1. Installation of ammonia refrigeration compressor unit Installation process flow: basic inspection and treatment of equipment → refrigeration compressor rough flat car → equipment in place → refrigeration compressor fine flat car → motor installation 1. Inspection and treatment of equipment foundation: Check the equipment foundation and design drawings and equipment, and after confirming that they are correct, draw the vertical and horizontal center lines of the refrigeration compressor on the equipment foundation. On the foundation surface, place iron on both sides of the anchor bolt hole, and place a group at 20 mm on both sides of the anchor bolt hole. Each group of horns shall not exceed 3 pieces. The horn is A3 steel plate, the surface is clean and free of rust, one size should be more than 200 * 60 * 20mm, and the two upper layers should be wedge-shaped plates (1:10). In addition to the base surface of the horn, it is necessary to ensure that the future secondary grouting layer is firmly combined with the foundation. 2. Refrigeration compressor rough flat car: the anchor bolts are attached to the common foundation of the twin screw cap refrigeration compressor, the base is located on the base surface, opposite to the vertical and horizontal center lines of the previous serial number, adjust the base iron and the horizontal ruler The common foundation of rough cooling compressors. Then pour the c30 fine stone concrete into the anchor bolts, strictly tamping. 3. Equipment location: Before the equipment location, the engineering technician must confirm that the equipment has passed the inspection and acceptance management procedures. The quantity and quality of the random accessories in the equipment and packing box are correct. Please select the lifting path before installing the compressor, and select the appropriate wire rope ligation position during lifting and transportation. Do not tie the wire rope to each connecting pipe and flange of the compressor. After the strength of the fine stone concrete of the anchor bolt holes meets the requirements, the refrigeration compressor is hung on the last seat. 4. Precise leveling of refrigeration compressors: fine-tuning horns and leveling instruments with an accuracy of less than 0.02mm are used to precisely level the compressors. The vertical and horizontal levels of the refrigeration compressor are allowed to be less than 0.02 mm, the accuracy level passes, the contact of each set of horns is hit by a small hammer, the test level test, the double female bolts of the floor bolts are tightened, and the welding is strong. If the contact between the base and the surface of the base is less than 70%, the horn can be inserted between each set of horns, taking care to prevent the fine level of the machine from being destroyed. After the refrigeration compressor is completed, the bottom of the compressor can be grouted and wiped. Motor installation: Mainly adjust the motor to make it concentric with the compressor shaft. The gap between the two couplings is measured by a feeler gauge, and the concentricity of the two couplings is measured by a steel ruler. Use a micrometer to handle the distance between the compressor and the motor's biaxial joint block. 2. Installation of main auxiliary equipment of ammonia refrigeration compressor Engineering and technical management personnel should ensure that the auxiliary equipment of the ammonia refrigeration compressor goes through the unpacking inspection management process, and the number of equipment and random accessories in the packaging box is good. Those belonging to pressure vessels must also have the original test certificate issued by the manufacturer. The cryogenic container is equipped with an asphalt soaking pad (100 mm thick). The connecting pipes at both ends of the glass tube surface indicator on the equipment should be reinforced with flat steel, and the glass tube should be protected. Equipment installation must be separated from each pipe joint without error. Especially the liquid inlet and outlet pipes and oil drain pipes of the liquid storage container. (1) Installation of ammonia reservoir: The ammonia reservoir should be inclined towards the oil collector end, and the slope should be 3 ‰. (2) Installation of oil collector: The liquid inlet of the oil collector is 200 ~ 300mm higher than the liquid outlet manifold of the condenser, and it comes out from the bottom of the liquid outlet pipe to ensure the separation effect. (3) The installation of the condenser: the installation of the horizontal tube condenser, in order to easily drain the oil, there is a tendency of 3% on the oil collector side. (4) Installation of ammonia liquid separator: The ammonia liquid separator is 1.5-2 meters higher than the coldest uppermost cooling drain pipe, which ensures that the static pressure of the ammonia liquid smoothly flows into the cooling drain pipe against the pipeline resistance 5) Installation of horizontal low-pressure circulation box: the interval between the normal level of the circulation box and the centerline of the ammonia pump is generally more than 1.5 meters. (6) Installation of ammonia drainage tank: the nozzle of the infusion pipe of the ammonia drainage tank should be lower than the drainage pipe of the ammonia separator or circulation tank, and the liquid of the ammonia separator or circulation tank easily flows into the tank. (7)Installation of ammonia pump: The installation of ammonia pump is consistent with the direction of the motor, please be careful not to reverse. The axes of the ammonia pump and the motor must be concentric. The ammonia pumping liquid pipe should have as few bends as possible, and a suction pipe should be provided on the pump body or liquid sending pipe, and be connected to the air supply pipe of the circulation tank. 3. Installation of pipelines and valves Installation process: pipeline material inspection and ultrasonic non-destructive testing → derusting of the inner and outer walls of the piping → spot preparation of the pipeline pre-processing pipeline → spot welding by argon arc welding → pipeline welding → non-destructive testing of the pipeline → pipeline blowing → system air tightness test → System vacuuming → Pipeline anti-corrosion oil painting and heat preservation. Welding material requirements: welding wire is kept in a dry and ventilated welding material library. The electrode must be baked and kept in the temperature barrel after use. The stainless steel electrode is dried at 250-350 ℃ for 2 hours and kept for 1 hour; the acid electrode is dried at 75-150 ℃ for 2 hours and kept for 1 hour. The purity of argon gas shall not be lower than 99.96%, and the water content shall not exceed 50mg / m3. Welding environment: the wind speed of manual arc welding should be less than 8m / s, the speed of gas shielded arc welding is less than 2m / s, otherwise a protective cover must be built.

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    Installation of ammonia refrigeration system in brewery

    06/14/2020

    Installation of ammonia refrigeration system in brewery

    Installation of ammonia refrigeration system in brewery 1. Installation of ammonia refrigeration compressor unit Installation process flow: basic inspection and treatment of equipment → refrigeration compressor rough flat car → equipment in place → re器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ི

    Centrifugal compressor2

    06/14/2020

    Centrifugal compressor2

    Centrifugal compressors, also known as turbine compressors, are mainly used to compress gas. They are mainly composed of a rotor and a stator: the rotor includes an impeller and a shaft, and the impeller has blades, a balance disk, and a part of the shaft器2䀀ￜ皥䖒皦즠Ʋ焬क़㲈Ʋ䌁皦ᮔDž༬皧然क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥

    The structure of the central air conditioner is relatively complicated

    06/14/2020

    The structure of the central air conditioner is relatively complicated

    The structure of the central air conditioner is relatively complicated. During use, the compressor noise is often accompanied by vibration. The vibration will increase the decibel of the noise, and the two affect each other. However, if the sound of vibra器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ

    Axial compressor

    06/14/2020

    Axial compressor

    Axial compressors and centrifugal compressors are both speed type compressors and are called turbo compressors. The meaning of speed type compressors is that their working principle relies on the blades to work on the gas, and the flow speed of the gas ca器2䀀ￜ皥䖒皦즠Ʋ焬क़㲈Ʋ䌁皦ᮔDž༬皧然क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥

    Air-conditioning compressor failure judgment and case analysis

    06/14/2020

    Air-conditioning compressor failure judgment and case analysis

    The compressor is the energy core of the air conditioning refrigeration (heat) system. In the refrigeration system, it mainly compresses the refrigerant and promotes the continuous circulation of the refrigeration oil. In the air conditioning system, the 器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦

    After the Mitsubishi air conditioner is turned on, the indoor compressor does not rotate and cannot be cooled

    06/14/2020

    After the Mitsubishi air conditioner is turned on, the indoor compressor does not rotate and cannot be cooled

    Fault phenomenon: After a Mitsubishi SRC285cENF air conditioner is turned on, the indoor fan operates normally, and the indoor compressor does not rotate and cannot be cooled.

    Analysis of the causes of air compressor operation failure

    06/14/2020

    Analysis of the causes of air compressor operation failure

    The main medium conveyed by the air compressor is air, which provides compressed air to the ventilator, which is the basic condition for keeping the ventilator working normally. The main part of the air compressor is generally composed of driving steam tu器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧׼識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

    Is there any difference between refrigeration compressor, air compressor and air pump

    06/14/2020

    Is there any difference between refrigeration compressor, air compressor and air pump

    Air compressor ≠ refrigeration compressor. Refrigeration compressor: It is a driven fluid machinery that raises the bottom pressure vapor to high pressure vapor. There are many types, such as nitrogen making equipment, refrigerant machine, air compress器2䀀ￜ皥䖒皦즠Ʋ焬क़㲈Ʋ䌁皦ᮔDž༬皧然क़Ѐ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁

    Two methods of evacuating the refrigeration system

    06/14/2020

    Two methods of evacuating the refrigeration system

    Vacuuming is an indispensable important process before charging refrigerant in the production or maintenance of refrigeration equipment. That is, the process of removing the non-condensable gas and moisture in the system pipeline by connecting the vacuum 器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘

    What to do if the screw chiller compressor is damaged

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    What to do if the screw chiller compressor is damaged

    The compressor is the core component of the chiller. Damage to the compressor is a serious fault that needs to be dealt with in time, otherwise the chiller will not work. Today, the editor will introduce the knowledge and process of handling damaged screw器2䀀

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